Azure
/
custom-script-extension-linux
зеркало из https://github.com/Azure/custom-script-extension-linux.git
1
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Clear protected settings (#201) 

* clear protected settings

* git ignore vendor files

* removing vendor dir
This commit is contained in:
norakoiralamsft 2022-10-03 16:18:06 -07:00 коммит произвёл GitHub
Родитель 23bc8daa86
Коммит 77393ab56c
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Идентификатор ключа GPG: 4AEE18F83AFDEB23
141 изменённых файлов: 32 добавлений и 24306 удалений
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1
.gitignore поставляемый
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@ -2,6 +2,7 @@
custom-script-extension-linux
/bin
/bundle
/vendor
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o

11
go.mod
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@ -4,21 +4,20 @@ go 1.16
require (
github.com/Azure/azure-extension-foundation v0.0.0-20190726000431-02f4f599e64a
github.com/Azure/azure-extension-platform v0.0.0-20220913231409-868d66a2f29a
github.com/Azure/azure-sdk-for-go v3.1.0-beta.0.20160802173609-87de771fcdf5+incompatible
github.com/ahmetalpbalkan/go-httpbin v0.0.0-20160706084156-8817b883dae1
github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2 // indirect
github.com/go-kit/kit v0.1.1-0.20160721083846-b076b44dbec2
github.com/go-logfmt/logfmt v0.2.1-0.20160601130801-d4327190ff83 // indirect
github.com/go-kit/kit v0.12.0
github.com/go-stack/stack v1.5.2 // indirect
github.com/gorilla/context v0.0.0-20160525203319-aed02d124ae4 // indirect
github.com/gorilla/mux v0.0.0-20160605233521-9fa818a44c2b // indirect
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515 // indirect
github.com/pkg/errors v0.9.1
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/stretchr/testify v1.1.4-0.20160615092844-d77da356e56a
github.com/stretchr/testify v1.7.0
github.com/xeipuuv/gojsonpointer v0.0.0-20151027082146-e0fe6f683076 // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c // indirect
github.com/xeipuuv/gojsonschema v0.0.0-20160623135812-c539bca196be
golang.org/x/text v0.3.7
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
)
replace github.com/go-kit/kit => github.com/go-kit/kit v0.1.1-0.20160721083846-b076b44dbec2

23
go.sum
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@ -1,23 +1,24 @@
github.com/Azure/azure-extension-foundation v0.0.0-20190726000431-02f4f599e64a h1:dU4O2MKIUGQ9JeJf6yyBLXwA1wso5zu1wLcz0pQggbc=
github.com/Azure/azure-extension-foundation v0.0.0-20190726000431-02f4f599e64a/go.mod h1:a0BFq9UoWBHvBS7iagvjFqBjYfxtBsmqvCLWIHRq9b0=
github.com/Azure/azure-extension-platform v0.0.0-20220913231409-868d66a2f29a h1:hjy41IJX1weQ2aStzOE3PqwafETv40wx/jH8jtCHEGg=
github.com/Azure/azure-extension-platform v0.0.0-20220913231409-868d66a2f29a/go.mod h1:1hEkO8M1zN/SQpdFOTDDMTNfeE1Q2tCHmEXXiHrWTgo=
github.com/Azure/azure-sdk-for-go v3.1.0-beta.0.20160802173609-87de771fcdf5+incompatible h1:7CctKV2SGUVFq3a+WNHypGRKQzaPCNVEAMMAlEJXrWc=
github.com/Azure/azure-sdk-for-go v3.1.0-beta.0.20160802173609-87de771fcdf5+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/ahmetalpbalkan/go-httpbin v0.0.0-20160706084156-8817b883dae1 h1:/sPElPBMLSi6+bV0o0fPN4U24qQCNHs1i/BjnO+GqLc=
github.com/ahmetalpbalkan/go-httpbin v0.0.0-20160706084156-8817b883dae1/go.mod h1:Rg55S63lgqSBCawY/oTm7jdFSySp6jwIqgHMB2IeHK8=
github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2 h1:5zdDAMuB3gvbHB1m2BZT9+t9w+xaBmK3ehb7skDXcwM=
github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-kit/kit v0.1.1-0.20160721083846-b076b44dbec2 h1:awXynDTA1TiAp1SA/o/xoU6oRHE3xKCokck9l4/poMc=
github.com/go-kit/kit v0.1.1-0.20160721083846-b076b44dbec2/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.2.1-0.20160601130801-d4327190ff83 h1:WEFlTYvIQSd2ofUwgM9nOR+KTzdG/pLZzdUlDp6mciM=
github.com/go-logfmt/logfmt v0.2.1-0.20160601130801-d4327190ff83/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-kit/log v0.2.0/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA=
github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
github.com/go-stack/stack v1.5.2 h1:5sTB/0oZM2O31k/N1IRwxxVXzLIt5NF2Aqx/2gWI9OY=
github.com/go-stack/stack v1.5.2/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/gorilla/context v0.0.0-20160525203319-aed02d124ae4 h1:3nOfQt8sRPYbXORD5tJ8YyQ3HlL2Jt3LJ2U17CbNh6I=
github.com/gorilla/context v0.0.0-20160525203319-aed02d124ae4/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
github.com/gorilla/mux v0.0.0-20160605233521-9fa818a44c2b h1:OFvZV3a+25cGJH9dETHw0nk0wV6hLZI7IJijOkXEFS0=
github.com/gorilla/mux v0.0.0-20160605233521-9fa818a44c2b/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515 h1:T+h1c/A9Gawja4Y9mFVWj2vyii2bbUNDw3kt9VxK2EY=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@ -27,16 +28,22 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.1.4-0.20160615092844-d77da356e56a h1:UWu0XgfW9PCuyeZYNe2eGGkDZjooQKjVQqY/+d/jYmc=
github.com/stretchr/testify v1.1.4-0.20160615092844-d77da356e56a/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/xeipuuv/gojsonpointer v0.0.0-20151027082146-e0fe6f683076 h1:KM4T3G70MiR+JtqplcYkNVoNz7pDwYaBxWBXQK804So=
github.com/xeipuuv/gojsonpointer v0.0.0-20151027082146-e0fe6f683076/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c h1:XZWnr3bsDQWAZg4Ne+cPoXRPILrNlPNQfxBuwLl43is=
github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v0.0.0-20160623135812-c539bca196be h1:sRGd3e18izj1hQgF1hSvDOA8RPPnA2t4p8YeLZ/GdBU=
github.com/xeipuuv/gojsonschema v0.0.0-20160623135812-c539bca196be/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
golang.org/x/sys v0.0.0-20220209214540-3681064d5158 h1:rm+CHSpPEEW2IsXUib1ThaHIjuBVZjxNgSKmBLFfD4c=
golang.org/x/sys v0.0.0-20220209214540-3681064d5158/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

12
main/cmds.go
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@ -11,6 +11,8 @@ import (
"path/filepath"
"time"
logging "github.com/Azure/azure-extension-platform/pkg/logging"
settings "github.com/Azure/azure-extension-platform/pkg/settings"
"github.com/Azure/custom-script-extension-linux/pkg/seqnum"
"github.com/go-kit/kit/log"
"github.com/pkg/errors"
@ -21,7 +23,7 @@ const (
)
type cmdFunc func(ctx *log.Context, hEnv HandlerEnvironment, seqNum int) (msg string, err error)
type preFunc func(ctx *log.Context, seqNum int) error
type preFunc func(ctx *log.Context, hEnv HandlerEnvironment, seqNum int) error
type cmd struct {
f cmdFunc // associated function
@ -123,13 +125,15 @@ func uninstall(ctx *log.Context, h HandlerEnvironment, seqNum int) (string, erro
return "", nil
}
func enablePre(ctx *log.Context, seqNum int) error {
func enablePre(ctx *log.Context, hEnv HandlerEnvironment, seqNum int) error {
// exit if this sequence number (a snapshot of the configuration) is already
// processed. if not, save this sequence number before proceeding.
if shouldExit, err := checkAndSaveSeqNum(ctx, seqNum, mostRecentSequence); err != nil {
return errors.Wrap(err, "failed to process sequence number")
} else if shouldExit {
ctx.Log("event", "exit", "message", "the script configuration has already been processed, will not run again")
el := logging.New(nil)
settings.CleanUpSettings(el, hEnv.HandlerEnvironment.ConfigFolder)
os.Exit(0)
}
return nil
@ -177,6 +181,10 @@ func enable(ctx *log.Context, h HandlerEnvironment, seqNum int) (string, error)
ctx.Log("event", "enable failed")
}
ctx.Log("event", "clearing setting files")
el := logging.New(nil)
settings.CleanUpSettings(el, h.HandlerEnvironment.ConfigFolder)
msg := fmt.Sprintf("\n[stdout]\n%s\n[stderr]\n%s", string(stdoutTail), string(stderrTail))
return msg, runErr
}

2
main/main.go
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@ -71,7 +71,7 @@ func main() {
ctx.Log("event", "start")
if cmd.pre != nil {
ctx.Log("event", "pre-check")
if err := cmd.pre(ctx, seqNum); err != nil {
if err := cmd.pre(ctx, hEnv, seqNum); err != nil {
ctx.Log("event", "pre-check failed", "error", err)
os.Exit(cmd.failExitCode)
}

21
vendor/github.com/Azure/azure-extension-foundation/LICENSE сгенерированный поставляемый
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@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

19
vendor/github.com/Azure/azure-extension-foundation/errorhelper/errorhelper.go сгенерированный поставляемый
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@ -1,19 +0,0 @@
package errorhelper
import (
"fmt"
"runtime/debug"
)
func AddStackToError(err error) error {
if err == nil {
return nil
}
stackString := string(debug.Stack())
return fmt.Errorf("%+v\nCallStack: %s", err, stackString)
}
func NewErrorWithStack(errString string) error {
stackString := string(debug.Stack())
return fmt.Errorf("%s\nCallStack: %s", errString, stackString)
}

214
vendor/github.com/Azure/azure-extension-foundation/httputil/httputil.go сгенерированный поставляемый
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@ -1,214 +0,0 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
package httputil
import (
"bytes"
"crypto/tls"
"github.com/Azure/azure-extension-foundation/errorhelper"
"io/ioutil"
"log"
"net/http"
"time"
)
const (
OperationGet = "GET"
OperationPost = "POST"
OperationDelete = "DELETE"
OperationPut = "PUT"
)
type HttpClient interface {
Get(url string, headers map[string]string) (responseCode int, body []byte, err error)
Post(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
Put(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
Delete(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
}
// for testing
type httpClientInterface interface {
Do(req *http.Request) (*http.Response, error)
}
type Client struct {
httpClient httpClientInterface
retryBehavior RetryBehavior
}
type RetryBehavior = func(statusCode int, i int) bool
// return false to end retries
// i starts from 1 keeps getting incremented while function returns true
var NoRetry RetryBehavior = func(statusCode int, i int) bool {
return false
}
var LinearRetryThrice RetryBehavior = func(statusCode int, i int) bool {
if !isTransientHttpStatusCode(statusCode) {
return false
}
time.Sleep(time.Second * 3)
if i < 3 {
return true // retry if count < 3
}
return false
}
// The default retry behavior is 5 retries with exponential back-off with a maximum wait time of 60 seconds
var DefaultRetryBehavior RetryBehavior = func(statusCode int, i int) bool {
if !isTransientHttpStatusCode(statusCode) {
return false
}
delay := time.Second * time.Duration(2^(i))
const maxDelay time.Duration = 60 * time.Second
if delay > maxDelay {
delay = maxDelay
}
time.Sleep(delay)
if i < 5 {
return true
}
return false
}
func isTransientHttpStatusCode(statusCode int) bool {
switch statusCode {
case
http.StatusRequestTimeout, // 408
http.StatusTooManyRequests, // 429
http.StatusInternalServerError, // 500
http.StatusBadGateway, // 502
http.StatusServiceUnavailable, // 503
http.StatusGatewayTimeout: // 504
return true // timeout and too many requests
default:
return false
}
}
func IsSuccessStatusCode(statusCode int) bool {
switch statusCode {
case 200, 201:
return true
default:
return false
}
}
func NewSecureHttpClient(retryBehavior RetryBehavior) HttpClient {
if retryBehavior == nil {
panic("Retry policy must be specified")
}
tlsConfig := &tls.Config{
Renegotiation: tls.RenegotiateFreelyAsClient,
}
transport := &http.Transport{TLSClientConfig: tlsConfig}
httpClient := &http.Client{Transport: transport}
return &Client{httpClient, retryBehavior}
}
func NewSecureHttpClientWithCertificates(certificate string, key string, retryBehavior RetryBehavior) HttpClient {
if retryBehavior == nil {
panic("Retry policy must be specified")
}
cert, err := tls.LoadX509KeyPair(certificate, key)
if err != nil {
log.Fatal(err)
}
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
Renegotiation: tls.RenegotiateFreelyAsClient,
}
transport := &http.Transport{TLSClientConfig: tlsConfig}
httpClient := &http.Client{Transport: transport}
return &Client{httpClient, retryBehavior}
}
func NewInsecureHttpClientWithCertificates(certificate string, key string, retryBehavior RetryBehavior) HttpClient {
if retryBehavior == nil {
panic("Retry policy must be specified")
}
cert, err := tls.LoadX509KeyPair(certificate, key)
if err != nil {
log.Fatal(err)
}
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
InsecureSkipVerify: true,
Renegotiation: tls.RenegotiateFreelyAsClient,
}
transport := &http.Transport{TLSClientConfig: tlsConfig}
httpClient := &http.Client{Transport: transport}
return &Client{httpClient, retryBehavior}
}
// Get issues a get request
func (client *Client) Get(url string, headers map[string]string) (responseCode int, body []byte, err error) {
return client.issueRequest(OperationGet, url, headers, nil)
}
// Post issues a post request
func (client *Client) Post(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.issueRequest(OperationPost, url, headers, bytes.NewBuffer(payload))
}
// Put issues a put request
func (client *Client) Put(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.issueRequest(OperationPut, url, headers, bytes.NewBuffer(payload))
}
// Delete issues a delete request
func (client *Client) Delete(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.issueRequest(OperationDelete, url, headers, bytes.NewBuffer(payload))
}
func (client *Client) issueRequest(operation string, url string, headers map[string]string, payload *bytes.Buffer) (int, []byte, error) {
request, err := http.NewRequest(operation, url, nil)
if payload != nil && payload.Len() != 0 {
request, err = http.NewRequest(operation, url, payload)
}
for key, value := range headers {
request.Header.Add(key, value)
}
res, err := client.httpClient.Do(request)
if err == nil && IsSuccessStatusCode(res.StatusCode) {
// no need to retry
} else if err == nil && res != nil {
// there was no error, so look at the status code to retry
for i := 1; client.retryBehavior(res.StatusCode, i); i++ {
res, err = client.httpClient.Do(request)
if err != nil {
break
}
}
}
if err != nil {
return -1, nil, errorhelper.AddStackToError(err)
}
body, err := ioutil.ReadAll(res.Body)
res.Body.Close()
code := res.StatusCode
if err != nil {
return -1, nil, errorhelper.AddStackToError(err)
}
return code, body, nil
}

26
vendor/github.com/Azure/azure-extension-foundation/httputil/mockclient.go сгенерированный поставляемый
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@ -1,26 +0,0 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
package httputil
type MockHttpClient struct {
// overwrite these methods to get the desired output
Getfunc func(url string, headers map[string]string) (responseCode int, body []byte, err error)
Postfunc func(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
Putfunc func(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
Deletefunc func(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error)
}
func (client *MockHttpClient) Get(url string, headers map[string]string) (responseCode int, body []byte, err error) {
return client.Getfunc(url, headers)
}
func (client *MockHttpClient) Post(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.Postfunc(url, headers, payload)
}
func (client *MockHttpClient) Put(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.Putfunc(url, headers, payload)
}
func (client *MockHttpClient) Delete(url string, headers map[string]string, payload []byte) (responseCode int, body []byte, err error) {
return client.Deletefunc(url, headers, payload)
}

129
vendor/github.com/Azure/azure-extension-foundation/msi/msi.go сгенерированный поставляемый
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
package msi
import (
"encoding/json"
"fmt"
"github.com/Azure/azure-extension-foundation/errorhelper"
"github.com/Azure/azure-extension-foundation/httputil"
"net/url"
"strconv"
"time"
)
const (
metadataIdentityURL = "http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01"
clientIdQueryParam = "client_id"
objectIdQueryParam = "object_id"
resourceQueryParam = "resource"
armResourceUri = "https://management.core.windows.net/"
)
type Msi struct {
AccessToken string `json:"access_token"`
ClientID string `json:"client_id"`
ExpiresIn string `json:"expires_in"`
ExpiresOn string `json:"expires_on"` // expressed in seconds from epoch
ExtExpiresIn string `json:"ext_expires_in"`
NotBefore string `json:"not_before"`
Resource string `json:"resource"`
TokenType string `json:"token_type"`
}
type MsiProvider interface {
GetMsi() (Msi, error)
GetMsiForResource(targetResource string) (Msi, error)
GetMsiUsingClientId(clientId string, targetResource string) (Msi, error)
GetMsiUsingObjectId(objectId string, targetResource string) (Msi, error)
}
type provider struct {
httpClient httputil.HttpClient
}
func NewMsiProvider(client httputil.HttpClient) provider {
return provider{httpClient: client}
}
func (p *provider) getMsiHelper(queryParams map[string]string) (*Msi, error) {
var msi = Msi{}
requestUrl, err := url.Parse(metadataIdentityURL)
if err != nil {
return &msi, err
}
urlQuery := requestUrl.Query()
for key, value := range queryParams {
urlQuery.Add(key, value)
}
requestUrl.RawQuery = urlQuery.Encode()
code, body, err := p.httpClient.Get(requestUrl.String(), map[string]string{"Metadata": "true"})
if err != nil {
return &msi, err
}
if code != 200 {
return &msi, errorhelper.AddStackToError(fmt.Errorf("unable to get msi, metadata service response code %v", code))
}
err = json.Unmarshal(body, &msi)
if err != nil {
return &msi, errorhelper.AddStackToError(fmt.Errorf("unable to deserialize metadata service response"))
}
return &msi, nil
}
func (p *provider) GetMsi() (Msi, error) {
msi, err := p.getMsiHelper(map[string]string{resourceQueryParam: armResourceUri})
return *msi, err
}
func (p *provider) GetMsiForResource(targetResource string) (Msi, error) {
msi, err := p.getMsiHelper(map[string]string{resourceQueryParam: targetResource})
return *msi, err
}
func (p *provider) GetMsiUsingClientId(clientId string, targetResource string) (Msi, error) {
msi, err := p.getMsiHelper(map[string]string{clientIdQueryParam: clientId, resourceQueryParam: targetResource})
return *msi, err
}
func (p *provider) GetMsiUsingObjectId(objectId string, targetResource string) (Msi, error) {
msi, err := p.getMsiHelper(map[string]string{objectIdQueryParam: objectId, resourceQueryParam: targetResource})
return *msi, err
}
// check expiry of MSI token based on time
func (msi *Msi) IsMsiTokenExpired() (bool, error) {
expiryTime, err := msi.GetExpiryTime()
if err != nil {
return false, err
}
// Consider token expired 2 minutes before expiry time
expiryTime = expiryTime.Add(-2 * time.Minute)
if time.Now().After(expiryTime) {
return true, nil
} else {
return false, nil
}
}
func (msi *Msi) GetExpiryTime() (time.Time, error) {
expiryTimeInSeconds, err := strconv.ParseInt(msi.ExpiresOn, 10, 64)
if err != nil {
return time.Unix(0, 0), err
}
expiryTime := time.Unix(expiryTimeInSeconds, 0)
return expiryTime, nil
}
func (msi *Msi) GetJson() (string, error) {
jsonBytes, err := json.Marshal(msi)
return string(jsonBytes[:]), err
}

202
vendor/github.com/Azure/azure-sdk-for-go/LICENSE сгенерированный поставляемый
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@ -1,202 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
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5. Submission of Contributions. Unless You explicitly state otherwise,
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
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incidental, or consequential damages of any character arising as a
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Work (including but not limited to damages for loss of goodwill,
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has been advised of the possibility of such damages.
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the Work or Derivative Works thereof, You may choose to offer,
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on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
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Copyright 2016 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

1091
vendor/github.com/Azure/azure-sdk-for-go/storage/blob.go сгенерированный поставляемый
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545
vendor/github.com/Azure/azure-sdk-for-go/storage/client.go сгенерированный поставляемый
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// Package storage provides clients for Microsoft Azure Storage Services.
package storage
import (
"bytes"
"encoding/base64"
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"regexp"
"sort"
"strconv"
"strings"
)
const (
// DefaultBaseURL is the domain name used for storage requests when a
// default client is created.
DefaultBaseURL = "core.windows.net"
// DefaultAPIVersion is the Azure Storage API version string used when a
// basic client is created.
DefaultAPIVersion = "2015-02-21"
defaultUseHTTPS = true
// StorageEmulatorAccountName is the fixed storage account used by Azure Storage Emulator
StorageEmulatorAccountName = "devstoreaccount1"
// StorageEmulatorAccountKey is the the fixed storage account used by Azure Storage Emulator
StorageEmulatorAccountKey = "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
blobServiceName = "blob"
tableServiceName = "table"
queueServiceName = "queue"
fileServiceName = "file"
storageEmulatorBlob = "127.0.0.1:10000"
storageEmulatorTable = "127.0.0.1:10002"
storageEmulatorQueue = "127.0.0.1:10001"
)
// Client is the object that needs to be constructed to perform
// operations on the storage account.
type Client struct {
// HTTPClient is the http.Client used to initiate API
// requests. If it is nil, http.DefaultClient is used.
HTTPClient *http.Client
accountName string
accountKey []byte
useHTTPS bool
baseURL string
apiVersion string
}
type storageResponse struct {
statusCode int
headers http.Header
body io.ReadCloser
}
type odataResponse struct {
storageResponse
odata odataErrorMessage
}
// AzureStorageServiceError contains fields of the error response from
// Azure Storage Service REST API. See https://msdn.microsoft.com/en-us/library/azure/dd179382.aspx
// Some fields might be specific to certain calls.
type AzureStorageServiceError struct {
Code string `xml:"Code"`
Message string `xml:"Message"`
AuthenticationErrorDetail string `xml:"AuthenticationErrorDetail"`
QueryParameterName string `xml:"QueryParameterName"`
QueryParameterValue string `xml:"QueryParameterValue"`
Reason string `xml:"Reason"`
StatusCode int
RequestID string
}
type odataErrorMessageMessage struct {
Lang string `json:"lang"`
Value string `json:"value"`
}
type odataErrorMessageInternal struct {
Code string `json:"code"`
Message odataErrorMessageMessage `json:"message"`
}
type odataErrorMessage struct {
Err odataErrorMessageInternal `json:"odata.error"`
}
// UnexpectedStatusCodeError is returned when a storage service responds with neither an error
// nor with an HTTP status code indicating success.
type UnexpectedStatusCodeError struct {
allowed []int
got int
}
func (e UnexpectedStatusCodeError) Error() string {
s := func(i int) string { return fmt.Sprintf("%d %s", i, http.StatusText(i)) }
got := s(e.got)
expected := []string{}
for _, v := range e.allowed {
expected = append(expected, s(v))
}
return fmt.Sprintf("storage: status code from service response is %s; was expecting %s", got, strings.Join(expected, " or "))
}
// Got is the actual status code returned by Azure.
func (e UnexpectedStatusCodeError) Got() int {
return e.got
}
// NewBasicClient constructs a Client with given storage service name and
// key.
func NewBasicClient(accountName, accountKey string) (Client, error) {
if accountName == StorageEmulatorAccountName {
return NewEmulatorClient()
}
return NewClient(accountName, accountKey, DefaultBaseURL, DefaultAPIVersion, defaultUseHTTPS)
}
//NewEmulatorClient contructs a Client intended to only work with Azure
//Storage Emulator
func NewEmulatorClient() (Client, error) {
return NewClient(StorageEmulatorAccountName, StorageEmulatorAccountKey, DefaultBaseURL, DefaultAPIVersion, false)
}
// NewClient constructs a Client. This should be used if the caller wants
// to specify whether to use HTTPS, a specific REST API version or a custom
// storage endpoint than Azure Public Cloud.
func NewClient(accountName, accountKey, blobServiceBaseURL, apiVersion string, useHTTPS bool) (Client, error) {
var c Client
if accountName == "" {
return c, fmt.Errorf("azure: account name required")
} else if accountKey == "" {
return c, fmt.Errorf("azure: account key required")
} else if blobServiceBaseURL == "" {
return c, fmt.Errorf("azure: base storage service url required")
}
key, err := base64.StdEncoding.DecodeString(accountKey)
if err != nil {
return c, fmt.Errorf("azure: malformed storage account key: %v", err)
}
return Client{
accountName: accountName,
accountKey: key,
useHTTPS: useHTTPS,
baseURL: blobServiceBaseURL,
apiVersion: apiVersion,
}, nil
}
func (c Client) getBaseURL(service string) string {
scheme := "http"
if c.useHTTPS {
scheme = "https"
}
host := ""
if c.accountName == StorageEmulatorAccountName {
switch service {
case blobServiceName:
host = storageEmulatorBlob
case tableServiceName:
host = storageEmulatorTable
case queueServiceName:
host = storageEmulatorQueue
}
} else {
host = fmt.Sprintf("%s.%s.%s", c.accountName, service, c.baseURL)
}
u := &url.URL{
Scheme: scheme,
Host: host}
return u.String()
}
func (c Client) getEndpoint(service, path string, params url.Values) string {
u, err := url.Parse(c.getBaseURL(service))
if err != nil {
// really should not be happening
panic(err)
}
// API doesn't accept path segments not starting with '/'
if !strings.HasPrefix(path, "/") {
path = fmt.Sprintf("/%v", path)
}
if c.accountName == StorageEmulatorAccountName {
path = fmt.Sprintf("/%v%v", StorageEmulatorAccountName, path)
}
u.Path = path
u.RawQuery = params.Encode()
return u.String()
}
// GetBlobService returns a BlobStorageClient which can operate on the blob
// service of the storage account.
func (c Client) GetBlobService() BlobStorageClient {
return BlobStorageClient{c}
}
// GetQueueService returns a QueueServiceClient which can operate on the queue
// service of the storage account.
func (c Client) GetQueueService() QueueServiceClient {
return QueueServiceClient{c}
}
// GetTableService returns a TableServiceClient which can operate on the table
// service of the storage account.
func (c Client) GetTableService() TableServiceClient {
return TableServiceClient{c}
}
// GetFileService returns a FileServiceClient which can operate on the file
// service of the storage account.
func (c Client) GetFileService() FileServiceClient {
return FileServiceClient{c}
}
func (c Client) createAuthorizationHeader(canonicalizedString string) string {
signature := c.computeHmac256(canonicalizedString)
return fmt.Sprintf("%s %s:%s", "SharedKey", c.accountName, signature)
}
func (c Client) getAuthorizationHeader(verb, url string, headers map[string]string) (string, error) {
canonicalizedResource, err := c.buildCanonicalizedResource(url)
if err != nil {
return "", err
}
canonicalizedString := c.buildCanonicalizedString(verb, headers, canonicalizedResource)
return c.createAuthorizationHeader(canonicalizedString), nil
}
func (c Client) getStandardHeaders() map[string]string {
return map[string]string{
"x-ms-version": c.apiVersion,
"x-ms-date": currentTimeRfc1123Formatted(),
}
}
func (c Client) buildCanonicalizedHeader(headers map[string]string) string {
cm := make(map[string]string)
for k, v := range headers {
headerName := strings.TrimSpace(strings.ToLower(k))
match, _ := regexp.MatchString("x-ms-", headerName)
if match {
cm[headerName] = v
}
}
if len(cm) == 0 {
return ""
}
keys := make([]string, 0, len(cm))
for key := range cm {
keys = append(keys, key)
}
sort.Strings(keys)
ch := ""
for i, key := range keys {
if i == len(keys)-1 {
ch += fmt.Sprintf("%s:%s", key, cm[key])
} else {
ch += fmt.Sprintf("%s:%s\n", key, cm[key])
}
}
return ch
}
func (c Client) buildCanonicalizedResourceTable(uri string) (string, error) {
errMsg := "buildCanonicalizedResourceTable error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := "/" + c.accountName
if len(u.Path) > 0 {
cr += u.Path
}
return cr, nil
}
func (c Client) buildCanonicalizedResource(uri string) (string, error) {
errMsg := "buildCanonicalizedResource error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := "/" + c.accountName
if len(u.Path) > 0 {
// Any portion of the CanonicalizedResource string that is derived from
// the resource's URI should be encoded exactly as it is in the URI.
// -- https://msdn.microsoft.com/en-gb/library/azure/dd179428.aspx
cr += u.EscapedPath()
}
params, err := url.ParseQuery(u.RawQuery)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
if len(params) > 0 {
cr += "\n"
keys := make([]string, 0, len(params))
for key := range params {
keys = append(keys, key)
}
sort.Strings(keys)
for i, key := range keys {
if len(params[key]) > 1 {
sort.Strings(params[key])
}
if i == len(keys)-1 {
cr += fmt.Sprintf("%s:%s", key, strings.Join(params[key], ","))
} else {
cr += fmt.Sprintf("%s:%s\n", key, strings.Join(params[key], ","))
}
}
}
return cr, nil
}
func (c Client) buildCanonicalizedString(verb string, headers map[string]string, canonicalizedResource string) string {
contentLength := headers["Content-Length"]
if contentLength == "0" {
contentLength = ""
}
canonicalizedString := fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s",
verb,
headers["Content-Encoding"],
headers["Content-Language"],
contentLength,
headers["Content-MD5"],
headers["Content-Type"],
headers["Date"],
headers["If-Modified-Since"],
headers["If-Match"],
headers["If-None-Match"],
headers["If-Unmodified-Since"],
headers["Range"],
c.buildCanonicalizedHeader(headers),
canonicalizedResource)
return canonicalizedString
}
func (c Client) exec(verb, url string, headers map[string]string, body io.Reader) (*storageResponse, error) {
authHeader, err := c.getAuthorizationHeader(verb, url, headers)
if err != nil {
return nil, err
}
headers["Authorization"] = authHeader
if err != nil {
return nil, err
}
req, err := http.NewRequest(verb, url, body)
if err != nil {
return nil, errors.New("azure/storage: error creating request: " + err.Error())
}
if clstr, ok := headers["Content-Length"]; ok {
// content length header is being signed, but completely ignored by golang.
// instead we have to use the ContentLength property on the request struct
// (see https://golang.org/src/net/http/request.go?s=18140:18370#L536 and
// https://golang.org/src/net/http/transfer.go?s=1739:2467#L49)
req.ContentLength, err = strconv.ParseInt(clstr, 10, 64)
if err != nil {
return nil, err
}
}
for k, v := range headers {
req.Header.Add(k, v)
}
httpClient := c.HTTPClient
if httpClient == nil {
httpClient = http.DefaultClient
}
resp, err := httpClient.Do(req)
if err != nil {
return nil, err
}
statusCode := resp.StatusCode
if statusCode >= 400 && statusCode <= 505 {
var respBody []byte
respBody, err = readResponseBody(resp)
if err != nil {
return nil, err
}
if len(respBody) == 0 {
// no error in response body
err = fmt.Errorf("storage: service returned without a response body (%s)", resp.Status)
} else {
// response contains storage service error object, unmarshal
storageErr, errIn := serviceErrFromXML(respBody, resp.StatusCode, resp.Header.Get("x-ms-request-id"))
if err != nil { // error unmarshaling the error response
err = errIn
}
err = storageErr
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: ioutil.NopCloser(bytes.NewReader(respBody)), /* restore the body */
}, err
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: resp.Body}, nil
}
func (c Client) execInternalJSON(verb, url string, headers map[string]string, body io.Reader) (*odataResponse, error) {
req, err := http.NewRequest(verb, url, body)
for k, v := range headers {
req.Header.Add(k, v)
}
httpClient := c.HTTPClient
if httpClient == nil {
httpClient = http.DefaultClient
}
resp, err := httpClient.Do(req)
if err != nil {
return nil, err
}
respToRet := &odataResponse{}
respToRet.body = resp.Body
respToRet.statusCode = resp.StatusCode
respToRet.headers = resp.Header
statusCode := resp.StatusCode
if statusCode >= 400 && statusCode <= 505 {
var respBody []byte
respBody, err = readResponseBody(resp)
if err != nil {
return nil, err
}
if len(respBody) == 0 {
// no error in response body
err = fmt.Errorf("storage: service returned without a response body (%d)", resp.StatusCode)
return respToRet, err
}
// try unmarshal as odata.error json
err = json.Unmarshal(respBody, &respToRet.odata)
return respToRet, err
}
return respToRet, nil
}
func (c Client) createSharedKeyLite(url string, headers map[string]string) (string, error) {
can, err := c.buildCanonicalizedResourceTable(url)
if err != nil {
return "", err
}
strToSign := headers["x-ms-date"] + "\n" + can
hmac := c.computeHmac256(strToSign)
return fmt.Sprintf("SharedKeyLite %s:%s", c.accountName, hmac), nil
}
func (c Client) execTable(verb, url string, headers map[string]string, body io.Reader) (*odataResponse, error) {
var err error
headers["Authorization"], err = c.createSharedKeyLite(url, headers)
if err != nil {
return nil, err
}
return c.execInternalJSON(verb, url, headers, body)
}
func readResponseBody(resp *http.Response) ([]byte, error) {
defer resp.Body.Close()
out, err := ioutil.ReadAll(resp.Body)
if err == io.EOF {
err = nil
}
return out, err
}
func serviceErrFromXML(body []byte, statusCode int, requestID string) (AzureStorageServiceError, error) {
var storageErr AzureStorageServiceError
if err := xml.Unmarshal(body, &storageErr); err != nil {
return storageErr, err
}
storageErr.StatusCode = statusCode
storageErr.RequestID = requestID
return storageErr, nil
}
func (e AzureStorageServiceError) Error() string {
return fmt.Sprintf("storage: service returned error: StatusCode=%d, ErrorCode=%s, ErrorMessage=%s, RequestId=%s, QueryParameterName=%s, QueryParameterValue=%s",
e.StatusCode, e.Code, e.Message, e.RequestID, e.QueryParameterName, e.QueryParameterValue)
}
// checkRespCode returns UnexpectedStatusError if the given response code is not
// one of the allowed status codes; otherwise nil.
func checkRespCode(respCode int, allowed []int) error {
for _, v := range allowed {
if respCode == v {
return nil
}
}
return UnexpectedStatusCodeError{allowed, respCode}
}

106
vendor/github.com/Azure/azure-sdk-for-go/storage/file.go сгенерированный поставляемый
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@ -1,106 +0,0 @@
package storage
import (
"fmt"
"net/http"
"net/url"
)
// FileServiceClient contains operations for Microsoft Azure File Service.
type FileServiceClient struct {
client Client
}
// pathForFileShare returns the URL path segment for a File Share resource
func pathForFileShare(name string) string {
return fmt.Sprintf("/%s", name)
}
// CreateShare operation creates a new share under the specified account. If the
// share with the same name already exists, the operation fails.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShare(name string) error {
resp, err := f.createShare(name)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// CreateShareIfNotExists creates a new share under the specified account if
// it does not exist. Returns true if container is newly created or false if
// container already exists.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn167008.aspx
func (f FileServiceClient) CreateShareIfNotExists(name string) (bool, error) {
resp, err := f.createShare(name)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusCreated || resp.statusCode == http.StatusConflict {
return resp.statusCode == http.StatusCreated, nil
}
}
return false, err
}
// CreateShare creates a Azure File Share and returns its response
func (f FileServiceClient) createShare(name string) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
headers := f.client.getStandardHeaders()
return f.client.exec("PUT", uri, headers, nil)
}
// DeleteShare operation marks the specified share for deletion. The share
// and any files contained within it are later deleted during garbage
// collection.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689090.aspx
func (f FileServiceClient) DeleteShare(name string) error {
resp, err := f.deleteShare(name)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusAccepted})
}
// DeleteShareIfExists operation marks the specified share for deletion if it
// exists. The share and any files contained within it are later deleted during
// garbage collection. Returns true if share existed and deleted with this call,
// false otherwise.
//
// See https://msdn.microsoft.com/en-us/library/azure/dn689090.aspx
func (f FileServiceClient) DeleteShareIfExists(name string) (bool, error) {
resp, err := f.deleteShare(name)
if resp != nil {
defer resp.body.Close()
if resp.statusCode == http.StatusAccepted || resp.statusCode == http.StatusNotFound {
return resp.statusCode == http.StatusAccepted, nil
}
}
return false, err
}
// deleteShare makes the call to Delete Share operation endpoint and returns
// the response
func (f FileServiceClient) deleteShare(name string) (*storageResponse, error) {
if err := f.checkForStorageEmulator(); err != nil {
return nil, err
}
uri := f.client.getEndpoint(fileServiceName, pathForFileShare(name), url.Values{"restype": {"share"}})
return f.client.exec("DELETE", uri, f.client.getStandardHeaders(), nil)
}
//checkForStorageEmulator determines if the client is setup for use with
//Azure Storage Emulator, and returns a relevant error
func (f FileServiceClient) checkForStorageEmulator() error {
if f.client.accountName == StorageEmulatorAccountName {
return fmt.Errorf("Error: File service is not currently supported by Azure Storage Emulator")
}
return nil
}

306
vendor/github.com/Azure/azure-sdk-for-go/storage/queue.go сгенерированный поставляемый
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@ -1,306 +0,0 @@
package storage
import (
"encoding/xml"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
)
const (
// casing is per Golang's http.Header canonicalizing the header names.
approximateMessagesCountHeader = "X-Ms-Approximate-Messages-Count"
userDefinedMetadataHeaderPrefix = "X-Ms-Meta-"
)
// QueueServiceClient contains operations for Microsoft Azure Queue Storage
// Service.
type QueueServiceClient struct {
client Client
}
func pathForQueue(queue string) string { return fmt.Sprintf("/%s", queue) }
func pathForQueueMessages(queue string) string { return fmt.Sprintf("/%s/messages", queue) }
func pathForMessage(queue, name string) string { return fmt.Sprintf("/%s/messages/%s", queue, name) }
type putMessageRequest struct {
XMLName xml.Name `xml:"QueueMessage"`
MessageText string `xml:"MessageText"`
}
// PutMessageParameters is the set of options can be specified for Put Messsage
// operation. A zero struct does not use any preferences for the request.
type PutMessageParameters struct {
VisibilityTimeout int
MessageTTL int
}
func (p PutMessageParameters) getParameters() url.Values {
out := url.Values{}
if p.VisibilityTimeout != 0 {
out.Set("visibilitytimeout", strconv.Itoa(p.VisibilityTimeout))
}
if p.MessageTTL != 0 {
out.Set("messagettl", strconv.Itoa(p.MessageTTL))
}
return out
}
// GetMessagesParameters is the set of options can be specified for Get
// Messsages operation. A zero struct does not use any preferences for the
// request.
type GetMessagesParameters struct {
NumOfMessages int
VisibilityTimeout int
}
func (p GetMessagesParameters) getParameters() url.Values {
out := url.Values{}
if p.NumOfMessages != 0 {
out.Set("numofmessages", strconv.Itoa(p.NumOfMessages))
}
if p.VisibilityTimeout != 0 {
out.Set("visibilitytimeout", strconv.Itoa(p.VisibilityTimeout))
}
return out
}
// PeekMessagesParameters is the set of options can be specified for Peek
// Messsage operation. A zero struct does not use any preferences for the
// request.
type PeekMessagesParameters struct {
NumOfMessages int
}
func (p PeekMessagesParameters) getParameters() url.Values {
out := url.Values{"peekonly": {"true"}} // Required for peek operation
if p.NumOfMessages != 0 {
out.Set("numofmessages", strconv.Itoa(p.NumOfMessages))
}
return out
}
// GetMessagesResponse represents a response returned from Get Messages
// operation.
type GetMessagesResponse struct {
XMLName xml.Name `xml:"QueueMessagesList"`
QueueMessagesList []GetMessageResponse `xml:"QueueMessage"`
}
// GetMessageResponse represents a QueueMessage object returned from Get
// Messages operation response.
type GetMessageResponse struct {
MessageID string `xml:"MessageId"`
InsertionTime string `xml:"InsertionTime"`
ExpirationTime string `xml:"ExpirationTime"`
PopReceipt string `xml:"PopReceipt"`
TimeNextVisible string `xml:"TimeNextVisible"`
DequeueCount int `xml:"DequeueCount"`
MessageText string `xml:"MessageText"`
}
// PeekMessagesResponse represents a response returned from Get Messages
// operation.
type PeekMessagesResponse struct {
XMLName xml.Name `xml:"QueueMessagesList"`
QueueMessagesList []PeekMessageResponse `xml:"QueueMessage"`
}
// PeekMessageResponse represents a QueueMessage object returned from Peek
// Messages operation response.
type PeekMessageResponse struct {
MessageID string `xml:"MessageId"`
InsertionTime string `xml:"InsertionTime"`
ExpirationTime string `xml:"ExpirationTime"`
DequeueCount int `xml:"DequeueCount"`
MessageText string `xml:"MessageText"`
}
// QueueMetadataResponse represents user defined metadata and queue
// properties on a specific queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179384.aspx
type QueueMetadataResponse struct {
ApproximateMessageCount int
UserDefinedMetadata map[string]string
}
// SetMetadata operation sets user-defined metadata on the specified queue.
// Metadata is associated with the queue as name-value pairs.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179348.aspx
func (c QueueServiceClient) SetMetadata(name string, metadata map[string]string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": []string{"metadata"}})
headers := c.client.getStandardHeaders()
for k, v := range metadata {
headers[userDefinedMetadataHeaderPrefix+k] = v
}
resp, err := c.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// GetMetadata operation retrieves user-defined metadata and queue
// properties on the specified queue. Metadata is associated with
// the queue as name-values pairs.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179384.aspx
//
// Because the way Golang's http client (and http.Header in particular)
// canonicalize header names, the returned metadata names would always
// be all lower case.
func (c QueueServiceClient) GetMetadata(name string) (QueueMetadataResponse, error) {
qm := QueueMetadataResponse{}
qm.UserDefinedMetadata = make(map[string]string)
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": []string{"metadata"}})
headers := c.client.getStandardHeaders()
resp, err := c.client.exec("GET", uri, headers, nil)
if err != nil {
return qm, err
}
defer resp.body.Close()
for k, v := range resp.headers {
if len(v) != 1 {
return qm, fmt.Errorf("Unexpected number of values (%d) in response header '%s'", len(v), k)
}
value := v[0]
if k == approximateMessagesCountHeader {
qm.ApproximateMessageCount, err = strconv.Atoi(value)
if err != nil {
return qm, fmt.Errorf("Unexpected value in response header '%s': '%s' ", k, value)
}
} else if strings.HasPrefix(k, userDefinedMetadataHeaderPrefix) {
name := strings.TrimPrefix(k, userDefinedMetadataHeaderPrefix)
qm.UserDefinedMetadata[strings.ToLower(name)] = value
}
}
return qm, checkRespCode(resp.statusCode, []int{http.StatusOK})
}
// CreateQueue operation creates a queue under the given account.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179342.aspx
func (c QueueServiceClient) CreateQueue(name string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{})
headers := c.client.getStandardHeaders()
resp, err := c.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// DeleteQueue operation permanently deletes the specified queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179436.aspx
func (c QueueServiceClient) DeleteQueue(name string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// QueueExists returns true if a queue with given name exists.
func (c QueueServiceClient) QueueExists(name string) (bool, error) {
uri := c.client.getEndpoint(queueServiceName, pathForQueue(name), url.Values{"comp": {"metadata"}})
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if resp != nil && (resp.statusCode == http.StatusOK || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusOK, nil
}
return false, err
}
// PutMessage operation adds a new message to the back of the message queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179346.aspx
func (c QueueServiceClient) PutMessage(queue string, message string, params PutMessageParameters) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
req := putMessageRequest{MessageText: message}
body, nn, err := xmlMarshal(req)
if err != nil {
return err
}
headers := c.client.getStandardHeaders()
headers["Content-Length"] = strconv.Itoa(nn)
resp, err := c.client.exec("POST", uri, headers, body)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusCreated})
}
// ClearMessages operation deletes all messages from the specified queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179454.aspx
func (c QueueServiceClient) ClearMessages(queue string) error {
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), url.Values{})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}
// GetMessages operation retrieves one or more messages from the front of the
// queue.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179474.aspx
func (c QueueServiceClient) GetMessages(queue string, params GetMessagesParameters) (GetMessagesResponse, error) {
var r GetMessagesResponse
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return r, err
}
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &r)
return r, err
}
// PeekMessages retrieves one or more messages from the front of the queue, but
// does not alter the visibility of the message.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179472.aspx
func (c QueueServiceClient) PeekMessages(queue string, params PeekMessagesParameters) (PeekMessagesResponse, error) {
var r PeekMessagesResponse
uri := c.client.getEndpoint(queueServiceName, pathForQueueMessages(queue), params.getParameters())
resp, err := c.client.exec("GET", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return r, err
}
defer resp.body.Close()
err = xmlUnmarshal(resp.body, &r)
return r, err
}
// DeleteMessage operation deletes the specified message.
//
// See https://msdn.microsoft.com/en-us/library/azure/dd179347.aspx
func (c QueueServiceClient) DeleteMessage(queue, messageID, popReceipt string) error {
uri := c.client.getEndpoint(queueServiceName, pathForMessage(queue, messageID), url.Values{
"popreceipt": {popReceipt}})
resp, err := c.client.exec("DELETE", uri, c.client.getStandardHeaders(), nil)
if err != nil {
return err
}
defer resp.body.Close()
return checkRespCode(resp.statusCode, []int{http.StatusNoContent})
}

129
vendor/github.com/Azure/azure-sdk-for-go/storage/table.go сгенерированный поставляемый
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@ -1,129 +0,0 @@
package storage
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/url"
)
// TableServiceClient contains operations for Microsoft Azure Table Storage
// Service.
type TableServiceClient struct {
client Client
}
// AzureTable is the typedef of the Azure Table name
type AzureTable string
const (
tablesURIPath = "/Tables"
)
type createTableRequest struct {
TableName string `json:"TableName"`
}
func pathForTable(table AzureTable) string { return fmt.Sprintf("%s", table) }
func (c *TableServiceClient) getStandardHeaders() map[string]string {
return map[string]string{
"x-ms-version": "2015-02-21",
"x-ms-date": currentTimeRfc1123Formatted(),
"Accept": "application/json;odata=nometadata",
"Accept-Charset": "UTF-8",
"Content-Type": "application/json",
}
}
// QueryTables returns the tables created in the
// *TableServiceClient storage account.
func (c *TableServiceClient) QueryTables() ([]AzureTable, error) {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("GET", uri, headers, nil)
if err != nil {
return nil, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, err
}
buf := new(bytes.Buffer)
buf.ReadFrom(resp.body)
var respArray queryTablesResponse
if err := json.Unmarshal(buf.Bytes(), &respArray); err != nil {
return nil, err
}
s := make([]AzureTable, len(respArray.TableName))
for i, elem := range respArray.TableName {
s[i] = AzureTable(elem.TableName)
}
return s, nil
}
// CreateTable creates the table given the specific
// name. This function fails if the name is not compliant
// with the specification or the tables already exists.
func (c *TableServiceClient) CreateTable(table AzureTable) error {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
headers := c.getStandardHeaders()
req := createTableRequest{TableName: string(table)}
buf := new(bytes.Buffer)
if err := json.NewEncoder(buf).Encode(req); err != nil {
return err
}
headers["Content-Length"] = fmt.Sprintf("%d", buf.Len())
resp, err := c.client.execTable("POST", uri, headers, buf)
if err != nil {
return err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusCreated}); err != nil {
return err
}
return nil
}
// DeleteTable deletes the table given the specific
// name. This function fails if the table is not present.
// Be advised: DeleteTable deletes all the entries
// that may be present.
func (c *TableServiceClient) DeleteTable(table AzureTable) error {
uri := c.client.getEndpoint(tableServiceName, tablesURIPath, url.Values{})
uri += fmt.Sprintf("('%s')", string(table))
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("DELETE", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusNoContent}); err != nil {
return err
}
return nil
}

351
vendor/github.com/Azure/azure-sdk-for-go/storage/table_entities.go сгенерированный поставляемый
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@ -1,351 +0,0 @@
package storage
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"reflect"
)
const (
partitionKeyNode = "PartitionKey"
rowKeyNode = "RowKey"
tag = "table"
tagIgnore = "-"
continuationTokenPartitionKeyHeader = "X-Ms-Continuation-Nextpartitionkey"
continuationTokenRowHeader = "X-Ms-Continuation-Nextrowkey"
maxTopParameter = 1000
)
type queryTablesResponse struct {
TableName []struct {
TableName string `json:"TableName"`
} `json:"value"`
}
const (
tableOperationTypeInsert = iota
tableOperationTypeUpdate = iota
tableOperationTypeMerge = iota
tableOperationTypeInsertOrReplace = iota
tableOperationTypeInsertOrMerge = iota
)
type tableOperation int
// TableEntity interface specifies
// the functions needed to support
// marshaling and unmarshaling into
// Azure Tables. The struct must only contain
// simple types because Azure Tables do not
// support hierarchy.
type TableEntity interface {
PartitionKey() string
RowKey() string
SetPartitionKey(string) error
SetRowKey(string) error
}
// ContinuationToken is an opaque (ie not useful to inspect)
// struct that Get... methods can return if there are more
// entries to be returned than the ones already
// returned. Just pass it to the same function to continue
// receiving the remaining entries.
type ContinuationToken struct {
NextPartitionKey string
NextRowKey string
}
type getTableEntriesResponse struct {
Elements []map[string]interface{} `json:"value"`
}
// QueryTableEntities queries the specified table and returns the unmarshaled
// entities of type retType.
// top parameter limits the returned entries up to top. Maximum top
// allowed by Azure API is 1000. In case there are more than top entries to be
// returned the function will return a non nil *ContinuationToken. You can call the
// same function again passing the received ContinuationToken as previousContToken
// parameter in order to get the following entries. The query parameter
// is the odata query. To retrieve all the entries pass the empty string.
// The function returns a pointer to a TableEntity slice, the *ContinuationToken
// if there are more entries to be returned and an error in case something went
// wrong.
//
// Example:
// entities, cToken, err = tSvc.QueryTableEntities("table", cToken, reflect.TypeOf(entity), 20, "")
func (c *TableServiceClient) QueryTableEntities(tableName AzureTable, previousContToken *ContinuationToken, retType reflect.Type, top int, query string) ([]TableEntity, *ContinuationToken, error) {
if top > maxTopParameter {
return nil, nil, fmt.Errorf("top accepts at maximum %d elements. Requested %d instead", maxTopParameter, top)
}
uri := c.client.getEndpoint(tableServiceName, pathForTable(tableName), url.Values{})
uri += fmt.Sprintf("?$top=%d", top)
if query != "" {
uri += fmt.Sprintf("&$filter=%s", url.QueryEscape(query))
}
if previousContToken != nil {
uri += fmt.Sprintf("&NextPartitionKey=%s&NextRowKey=%s", previousContToken.NextPartitionKey, previousContToken.NextRowKey)
}
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
resp, err := c.client.execTable("GET", uri, headers, nil)
contToken := extractContinuationTokenFromHeaders(resp.headers)
if err != nil {
return nil, contToken, err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusOK}); err != nil {
return nil, contToken, err
}
retEntries, err := deserializeEntity(retType, resp.body)
if err != nil {
return nil, contToken, err
}
return retEntries, contToken, nil
}
// InsertEntity inserts an entity in the specified table.
// The function fails if there is an entity with the same
// PartitionKey and RowKey in the table.
func (c *TableServiceClient) InsertEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, false, "POST"); err != nil {
return checkRespCode(sc, []int{http.StatusCreated})
}
return err
}
func (c *TableServiceClient) execTable(table AzureTable, entity TableEntity, specifyKeysInURL bool, method string) (int, error) {
uri := c.client.getEndpoint(tableServiceName, pathForTable(table), url.Values{})
if specifyKeysInURL {
uri += fmt.Sprintf("(PartitionKey='%s',RowKey='%s')", url.QueryEscape(entity.PartitionKey()), url.QueryEscape(entity.RowKey()))
}
headers := c.getStandardHeaders()
var buf bytes.Buffer
if err := injectPartitionAndRowKeys(entity, &buf); err != nil {
return 0, err
}
headers["Content-Length"] = fmt.Sprintf("%d", buf.Len())
var err error
var resp *odataResponse
resp, err = c.client.execTable(method, uri, headers, &buf)
if err != nil {
return 0, err
}
defer resp.body.Close()
return resp.statusCode, nil
}
// UpdateEntity updates the contents of an entity with the
// one passed as parameter. The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) UpdateEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "PUT"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// MergeEntity merges the contents of an entity with the
// one passed as parameter.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) MergeEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "MERGE"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// DeleteEntityWithoutCheck deletes the entity matching by
// PartitionKey and RowKey. There is no check on IfMatch
// parameter so the entity is always deleted.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table.
func (c *TableServiceClient) DeleteEntityWithoutCheck(table AzureTable, entity TableEntity) error {
return c.DeleteEntity(table, entity, "*")
}
// DeleteEntity deletes the entity matching by
// PartitionKey, RowKey and ifMatch field.
// The function fails if there is no entity
// with the same PartitionKey and RowKey in the table or
// the ifMatch is different.
func (c *TableServiceClient) DeleteEntity(table AzureTable, entity TableEntity, ifMatch string) error {
uri := c.client.getEndpoint(tableServiceName, pathForTable(table), url.Values{})
uri += fmt.Sprintf("(PartitionKey='%s',RowKey='%s')", url.QueryEscape(entity.PartitionKey()), url.QueryEscape(entity.RowKey()))
headers := c.getStandardHeaders()
headers["Content-Length"] = "0"
headers["If-Match"] = ifMatch
resp, err := c.client.execTable("DELETE", uri, headers, nil)
if err != nil {
return err
}
defer resp.body.Close()
if err := checkRespCode(resp.statusCode, []int{http.StatusNoContent}); err != nil {
return err
}
return nil
}
// InsertOrReplaceEntity inserts an entity in the specified table
// or replaced the existing one.
func (c *TableServiceClient) InsertOrReplaceEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "PUT"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
// InsertOrMergeEntity inserts an entity in the specified table
// or merges the existing one.
func (c *TableServiceClient) InsertOrMergeEntity(table AzureTable, entity TableEntity) error {
var err error
if sc, err := c.execTable(table, entity, true, "MERGE"); err != nil {
return checkRespCode(sc, []int{http.StatusNoContent})
}
return err
}
func injectPartitionAndRowKeys(entity TableEntity, buf *bytes.Buffer) error {
if err := json.NewEncoder(buf).Encode(entity); err != nil {
return err
}
dec := make(map[string]interface{})
if err := json.NewDecoder(buf).Decode(&dec); err != nil {
return err
}
// Inject PartitionKey and RowKey
dec[partitionKeyNode] = entity.PartitionKey()
dec[rowKeyNode] = entity.RowKey()
// Remove tagged fields
// The tag is defined in the const section
// This is useful to avoid storing the PartitionKey and RowKey twice.
numFields := reflect.ValueOf(entity).Elem().NumField()
for i := 0; i < numFields; i++ {
f := reflect.ValueOf(entity).Elem().Type().Field(i)
if f.Tag.Get(tag) == tagIgnore {
// we must look for its JSON name in the dictionary
// as the user can rename it using a tag
jsonName := f.Name
if f.Tag.Get("json") != "" {
jsonName = f.Tag.Get("json")
}
delete(dec, jsonName)
}
}
buf.Reset()
if err := json.NewEncoder(buf).Encode(&dec); err != nil {
return err
}
return nil
}
func deserializeEntity(retType reflect.Type, reader io.Reader) ([]TableEntity, error) {
buf := new(bytes.Buffer)
var ret getTableEntriesResponse
if err := json.NewDecoder(reader).Decode(&ret); err != nil {
return nil, err
}
tEntries := make([]TableEntity, len(ret.Elements))
for i, entry := range ret.Elements {
buf.Reset()
if err := json.NewEncoder(buf).Encode(entry); err != nil {
return nil, err
}
dec := make(map[string]interface{})
if err := json.NewDecoder(buf).Decode(&dec); err != nil {
return nil, err
}
var pKey, rKey string
// strip pk and rk
for key, val := range dec {
switch key {
case partitionKeyNode:
pKey = val.(string)
case rowKeyNode:
rKey = val.(string)
}
}
delete(dec, partitionKeyNode)
delete(dec, rowKeyNode)
buf.Reset()
if err := json.NewEncoder(buf).Encode(dec); err != nil {
return nil, err
}
// Create a empty retType instance
tEntries[i] = reflect.New(retType.Elem()).Interface().(TableEntity)
// Popolate it with the values
if err := json.NewDecoder(buf).Decode(&tEntries[i]); err != nil {
return nil, err
}
// Reset PartitionKey and RowKey
tEntries[i].SetPartitionKey(pKey)
tEntries[i].SetRowKey(rKey)
}
return tEntries, nil
}
func extractContinuationTokenFromHeaders(h http.Header) *ContinuationToken {
ct := ContinuationToken{h.Get(continuationTokenPartitionKeyHeader), h.Get(continuationTokenRowHeader)}
if ct.NextPartitionKey != "" && ct.NextRowKey != "" {
return &ct
}
return nil
}

71
vendor/github.com/Azure/azure-sdk-for-go/storage/util.go сгенерированный поставляемый
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@ -1,71 +0,0 @@
package storage
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"time"
)
func (c Client) computeHmac256(message string) string {
h := hmac.New(sha256.New, c.accountKey)
h.Write([]byte(message))
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func currentTimeRfc1123Formatted() string {
return timeRfc1123Formatted(time.Now().UTC())
}
func timeRfc1123Formatted(t time.Time) string {
return t.Format(http.TimeFormat)
}
func mergeParams(v1, v2 url.Values) url.Values {
out := url.Values{}
for k, v := range v1 {
out[k] = v
}
for k, v := range v2 {
vals, ok := out[k]
if ok {
vals = append(vals, v...)
out[k] = vals
} else {
out[k] = v
}
}
return out
}
func prepareBlockListRequest(blocks []Block) string {
s := `<?xml version="1.0" encoding="utf-8"?><BlockList>`
for _, v := range blocks {
s += fmt.Sprintf("<%s>%s</%s>", v.Status, v.ID, v.Status)
}
s += `</BlockList>`
return s
}
func xmlUnmarshal(body io.Reader, v interface{}) error {
data, err := ioutil.ReadAll(body)
if err != nil {
return err
}
return xml.Unmarshal(data, v)
}
func xmlMarshal(v interface{}) (io.Reader, int, error) {
b, err := xml.Marshal(v)
if err != nil {
return nil, 0, err
}
return bytes.NewReader(b), len(b), nil
}

24
vendor/github.com/ahmetalpbalkan/go-httpbin/.gitignore сгенерированный поставляемый
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@ -1,24 +0,0 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof

13
vendor/github.com/ahmetalpbalkan/go-httpbin/.travis.yml сгенерированный поставляемый
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@ -1,13 +0,0 @@
sudo: false
language: go
go: go1.6
install:
- go get -u github.com/golang/lint/golint
- go get github.com/gorilla/mux
- go get github.com/pkg/errors
- go get github.com/stretchr/testify/require
script:
- test -z "$(gofmt -s -l -w . | tee /dev/stderr)"
- test -z "$(golint . | tee /dev/stderr)"
- go vet -v .
- go test -v -cover ./...

201
vendor/github.com/ahmetalpbalkan/go-httpbin/LICENSE сгенерированный поставляемый
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@ -1,201 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright 2016 Ahmet Alp Balkan
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

101
vendor/github.com/ahmetalpbalkan/go-httpbin/README.md сгенерированный поставляемый
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@ -1,101 +0,0 @@
# go-httpbin
[![Read GoDoc](https://godoc.org/github.com/ahmetalpbalkan/go-httpbin?status.svg)](https://godoc.org/github.com/ahmetalpbalkan/go-httpbin)
[![Build Status](https://travis-ci.org/ahmetalpbalkan/go-httpbin.svg?branch=master)](https://travis-ci.org/ahmetalpbalkan/go-httpbin)
A Go handler that lets you test your HTTP client, retry logic, streaming behavior, timeouts etc.
with the endpoints of [httpbin.org][ht] locally in a [`net/http/httptest.Server`][hts].
This way, you can write tests without relying on an external dependency like [httpbin.org][ht].
## Endpoints
- `/ip` Returns Origin IP.
- `/user-agent` Returns user-agent.
- `/headers` Returns headers.
- `/get` Returns GET data.
- `/status/:code` Returns given HTTP Status code.
- `/redirect/:n` 302 Redirects _n_ times.
- `/absolute-redirect/:n` 302 Absolute redirects _n_ times.
- `/redirect-to?url=foo` 302 Redirects to the _foo_ URL.
- `/stream/:n` Streams _n_ lines of JSON objects
- `/delay/:n` Delays responding for _min(n, 10)_ seconds.
- `/bytes/:n` Generates _n_ random bytes of binary data, accepts optional _seed_ integer parameter.
- `/cookies` Returns the cookies.
- `/cookies/set?name=value` Sets one or more simple cookies.
- `/cookies/delete?name` Deletes one or more simple cookies.
- `/drip?numbytes=n&duration=s&delay=s&code=code` Drips data over a duration after
an optional initial _delay_, then optionally returns with the given status _code_.
- `/cache` Returns 200 unless an If-Modified-Since or If-None-Match header is provided, when it returns a 304.
- `/cache/:n` Sets a Cache-Control header for _n_ seconds.
## How to use
Standing up a Go server running httpbin endpoints is just 1 line:
```go
package main
import (
"log"
"net/http"
"github.com/ahmetalpbalkan/go-httpbin"
)
func main() {
log.Fatal(http.ListenAndServe(":8080", httpbin.GetMux()))
}
```
Let's say you do not want a server running all the time because you just want to
test your HTTP logic after all. Integrating `httpbin` to your tests is very simple:
```go
package test
import (
"testing"
"net/http"
"net/http/httptest"
"github.com/ahmetalpbalkan/go-httpbin"
)
func TestDownload(t *testing.T) {
srv := httptest.NewServer(httpbin.GetMux())
defer srv.Close()
resp, err := http.Get(srv.URL + "/bytes/65536")
if err != nil {
t.Fatal(err)
}
// read from an actual HTTP server hosted locally
// test whatever you are going to test...
}
```
# License
```
Copyright 2016 Ahmet Alp Balkan
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
```
# Authors
- Ahmet Alp Balkan ([@ahmetalpbalkan][tw])
[ht]: https://httpbin.org/
[hts]: https://godoc.org/net/http/httptest#Server
[tw]: https://twitter.com/ahmetalpbalkan

333
vendor/github.com/ahmetalpbalkan/go-httpbin/handlers.go сгенерированный поставляемый
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// Package httpbin providers HTTP handlers for httpbin.org endpoints and a
// multiplexer to directly hook it up to any http.Server or httptest.Server.
package httpbin
import (
"encoding/json"
"fmt"
"io"
"math/rand"
"net/http"
"strconv"
"time"
"net"
"github.com/gorilla/mux"
"github.com/pkg/errors"
)
var (
// BinaryChunkSize is buffer length used for stuff like generating
// large blobs.
BinaryChunkSize = 64 * 1024
// DelayMax is the maximum execution time for /delay endpoint.
DelayMax = 10 * time.Second
// StreamInterval is the default interval between writing objects to the stream.
StreamInterval = 1 * time.Second
)
// GetMux returns the mux with handlers for httpbin endpoints registered.
func GetMux() *mux.Router {
r := mux.NewRouter()
r.HandleFunc(`/ip`, IPHandler).Methods("GET")
r.HandleFunc(`/user-agent`, UserAgentHandler).Methods("GET")
r.HandleFunc(`/headers`, HeadersHandler).Methods("GET")
r.HandleFunc(`/get`, GetHandler).Methods("GET")
r.HandleFunc(`/redirect/{n:[\d]+}`, RedirectHandler).Methods("GET")
r.HandleFunc(`/absolute-redirect/{n:[\d]+}`, AbsoluteRedirectHandler).Methods("GET")
r.HandleFunc(`/redirect-to`, RedirectToHandler).Methods("GET").Queries("url", "{url:.+}")
r.HandleFunc(`/status/{code:[\d]+}`, StatusHandler).Methods("GET")
r.HandleFunc(`/bytes/{n:[\d]+}`, BytesHandler).Methods("GET")
r.HandleFunc(`/delay/{n:\d+(\.\d+)?}`, DelayHandler).Methods("GET")
r.HandleFunc(`/stream/{n:[\d]+}`, StreamHandler).Methods("GET")
r.HandleFunc(`/drip`, DripHandler).Methods("GET").Queries(
"numbytes", `{numbytes:\d+}`,
"duration", `{duration:\d+(\.\d+)?}`)
r.HandleFunc(`/cookies`, CookiesHandler).Methods("GET")
r.HandleFunc(`/cookies/set`, SetCookiesHandler).Methods("GET")
r.HandleFunc(`/cookies/delete`, DeleteCookiesHandler).Methods("GET")
r.HandleFunc(`/cache`, CacheHandler).Methods("GET")
r.HandleFunc(`/cache/{n:[\d]+}`, SetCacheHandler).Methods("GET")
return r
}
// IPHandler returns Origin IP.
func IPHandler(w http.ResponseWriter, r *http.Request) {
h, _, _ := net.SplitHostPort(r.RemoteAddr)
if err := writeJSON(w, ipResponse{h}); err != nil {
writeErrorJSON(w, errors.Wrap(err, "failed to write json")) // TODO handle this error in writeJSON(w,v)
}
}
// UserAgentHandler returns user agent.
func UserAgentHandler(w http.ResponseWriter, r *http.Request) {
if err := writeJSON(w, userAgentResponse{r.UserAgent()}); err != nil {
writeErrorJSON(w, errors.Wrap(err, "failed to write json"))
}
}
// HeadersHandler returns user agent.
func HeadersHandler(w http.ResponseWriter, r *http.Request) {
if err := writeJSON(w, headersResponse{getHeaders(r)}); err != nil {
writeErrorJSON(w, errors.Wrap(err, "failed to write json"))
}
}
// GetHandler returns user agent.
func GetHandler(w http.ResponseWriter, r *http.Request) {
h, _, _ := net.SplitHostPort(r.RemoteAddr)
v := getResponse{
headersResponse: headersResponse{getHeaders(r)},
ipResponse: ipResponse{h},
Args: flattenValues(r.URL.Query()),
}
if err := writeJSON(w, v); err != nil {
writeErrorJSON(w, errors.Wrap(err, "failed to write json"))
}
}
// RedirectHandler returns a 302 Found response if n=1 pointing
// to /get, otherwise to /redirect/(n-1)
func RedirectHandler(w http.ResponseWriter, r *http.Request) {
n := mux.Vars(r)["n"]
i, _ := strconv.Atoi(n) // shouldn't fail due to route pattern
var loc string
if i <= 1 {
loc = "/get"
} else {
loc = fmt.Sprintf("/redirect/%d", i-1)
}
w.Header().Set("Location", loc)
w.WriteHeader(http.StatusFound)
}
// AbsoluteRedirectHandler returns a 302 Found response if n=1 pointing
// to /host/get, otherwise to /host/absolute-redirect/(n-1)
func AbsoluteRedirectHandler(w http.ResponseWriter, r *http.Request) {
n := mux.Vars(r)["n"]
i, _ := strconv.Atoi(n) // shouldn't fail due to route pattern
var loc string
if i <= 1 {
loc = "/get"
} else {
loc = fmt.Sprintf("/absolute-redirect/%d", i-1)
}
w.Header().Set("Location", "http://"+r.Host+loc)
w.WriteHeader(http.StatusFound)
}
// RedirectToHandler returns a 302 Found response pointing to
// the url query parameter
func RedirectToHandler(w http.ResponseWriter, r *http.Request) {
u := mux.Vars(r)["url"]
w.Header().Set("Location", u)
w.WriteHeader(http.StatusFound)
}
// StatusHandler returns a proper response for provided status code
func StatusHandler(w http.ResponseWriter, r *http.Request) {
code, _ := strconv.Atoi(mux.Vars(r)["code"])
statusWritten := false
switch code {
case http.StatusMovedPermanently,
http.StatusFound,
http.StatusSeeOther,
http.StatusUseProxy,
http.StatusTemporaryRedirect:
w.Header().Set("Location", "/redirect/1")
case http.StatusUnauthorized: // 401
w.Header().Set("WWW-Authenticate", `Basic realm="Fake Realm"`)
case http.StatusPaymentRequired: // 402
w.WriteHeader(code)
statusWritten = true
io.WriteString(w, "Fuck you, pay me!")
w.Header().Set("x-more-info", "http://vimeo.com/22053820")
case http.StatusNotAcceptable: // 406
w.WriteHeader(code)
statusWritten = true
io.WriteString(w, `{"message": "Client did not request a supported media type.", "accept": ["image/webp", "image/svg+xml", "image/jpeg", "image/png", "image/*"]}`)
case http.StatusTeapot:
w.WriteHeader(code)
statusWritten = true
w.Header().Set("x-more-info", "http://tools.ietf.org/html/rfc2324")
io.WriteString(w, `
-=[ teapot ]=-
_...._
.' _ _ '.
| ." ^ ". _,
\_;'"---"'|//
| ;/
\_ _/
'"""'
`)
}
if !statusWritten {
w.WriteHeader(code)
}
}
// BytesHandler returns n random bytes of binary data and accepts an
// optional 'seed' integer query parameter.
func BytesHandler(w http.ResponseWriter, r *http.Request) {
n, _ := strconv.Atoi(mux.Vars(r)["n"]) // shouldn't fail due to route pattern
seedStr := r.URL.Query().Get("seed")
if seedStr == "" {
seedStr = fmt.Sprintf("%d", time.Now().UnixNano())
}
seed, _ := strconv.ParseInt(seedStr, 10, 64) // shouldn't fail due to route pattern
rnd := rand.New(rand.NewSource(seed))
buf := make([]byte, BinaryChunkSize)
for n > 0 {
rnd.Read(buf) // will never return err
if n >= len(buf) {
n -= len(buf)
w.Write(buf)
} else {
// last chunk
w.Write(buf[:n])
break
}
}
}
// DelayHandler delays responding for min(n, 10) seconds and responds
// with /get endpoint
func DelayHandler(w http.ResponseWriter, r *http.Request) {
n, _ := strconv.ParseFloat(mux.Vars(r)["n"], 64) // shouldn't fail due to route pattern
// allow only millisecond precision
duration := time.Millisecond * time.Duration(n*float64(time.Second/time.Millisecond))
if duration > DelayMax {
duration = DelayMax
}
time.Sleep(duration)
GetHandler(w, r)
}
// StreamHandler writes a json object to a new line every second.
func StreamHandler(w http.ResponseWriter, r *http.Request) {
n, _ := strconv.Atoi(mux.Vars(r)["n"]) // shouldn't fail due to route pattern
nl := []byte{'\n'}
// allow only millisecond precision
for i := 0; i < n; i++ {
time.Sleep(StreamInterval)
b, _ := json.Marshal(struct {
N int `json:"n"`
Time time.Time `json:"time"`
}{i, time.Now().UTC()})
w.Write(b)
w.Write(nl)
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
}
}
// CookiesHandler returns the cookies provided in the request.
func CookiesHandler(w http.ResponseWriter, r *http.Request) {
if err := writeJSON(w, cookiesResponse{getCookies(r.Cookies())}); err != nil {
writeErrorJSON(w, errors.Wrap(err, "failed to write json"))
}
}
// SetCookiesHandler sets the query key/value pairs as cookies
// in the response and returns a 302 redirect to /cookies.
func SetCookiesHandler(w http.ResponseWriter, r *http.Request) {
for k := range r.URL.Query() {
v := r.URL.Query().Get(k)
http.SetCookie(w, &http.Cookie{
Name: k,
Value: v,
Path: "/",
})
}
w.Header().Set("Location", "/cookies")
w.WriteHeader(http.StatusFound)
}
// DeleteCookiesHandler deletes cookies with provided query value keys
// in the response by settings a Unix epoch expiration date and returns
// a 302 redirect to /cookies.
func DeleteCookiesHandler(w http.ResponseWriter, r *http.Request) {
for k := range r.URL.Query() {
http.SetCookie(w, &http.Cookie{
Name: k,
Value: "",
Path: "/",
Expires: time.Unix(0, 0),
MaxAge: 0,
})
}
w.Header().Set("Location", "/cookies")
w.WriteHeader(http.StatusFound)
}
// DripHandler drips data over a duration after an optional initial delay,
// then optionally returns with the given status code.
func DripHandler(w http.ResponseWriter, r *http.Request) {
var retCode int
retCodeStr := r.URL.Query().Get("code")
delayStr := r.URL.Query().Get("delay")
durationSec, _ := strconv.ParseFloat(mux.Vars(r)["duration"], 32) // shouldn't fail due to route pattern
numBytes, _ := strconv.Atoi(mux.Vars(r)["numbytes"]) // shouldn't fail due to route pattern
if retCodeStr != "" { // optional: status code
var err error
retCode, err = strconv.Atoi(r.URL.Query().Get("code"))
if err != nil {
writeErrorJSON(w, errors.New("failed to parse 'code'"))
return
}
w.WriteHeader(retCode)
}
if delayStr != "" { // optional: initial delay
delaySec, err := strconv.ParseFloat(r.URL.Query().Get("delay"), 64)
if err != nil {
writeErrorJSON(w, errors.New("failed to parse 'delay'"))
return
}
delayMs := (time.Second / time.Millisecond) * time.Duration(delaySec)
time.Sleep(delayMs * time.Millisecond)
}
t := time.Second * time.Duration(durationSec) / time.Duration(numBytes)
for i := 0; i < numBytes; i++ {
w.Write([]byte{'*'})
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
time.Sleep(t)
}
}
// CacheHandler returns 200 with the response of /get unless an If-Modified-Since
//or If-None-Match header is provided, when it returns a 304.
func CacheHandler(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("If-Modified-Since") != "" || r.Header.Get("If-None-Match") != "" {
w.WriteHeader(http.StatusNotModified)
return
}
GetHandler(w, r)
}
// SetCacheHandler sets a Cache-Control header for n seconds and returns with
// the /get response.
func SetCacheHandler(w http.ResponseWriter, r *http.Request) {
n, _ := strconv.Atoi(mux.Vars(r)["n"]) // shouldn't fail due to route pattern
w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%d", n))
GetHandler(w, r)
}

32
vendor/github.com/ahmetalpbalkan/go-httpbin/types.go сгенерированный поставляемый
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@ -1,32 +0,0 @@
package httpbin
type ipResponse struct {
Origin string `json:"origin"`
}
type errorResponse struct {
Error errObj `json:"error"`
}
type errObj struct {
Message string `json:"message"`
}
type userAgentResponse struct {
UA string `json:"user-agent"`
}
type headersResponse struct {
Headers map[string]string `json:"headers"`
}
type cookiesResponse struct {
Cookies map[string]string `json:"cookies"`
}
type getResponse struct {
headersResponse
ipResponse
URL string `json:"url"`
Args map[string]interface{} `json:"args"`
}

51
vendor/github.com/ahmetalpbalkan/go-httpbin/util.go сгенерированный поставляемый
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@ -1,51 +0,0 @@
package httpbin
import (
"encoding/json"
"io"
"net/http"
"net/url"
"github.com/pkg/errors"
)
func writeJSON(w io.Writer, v interface{}) error {
if err := json.NewEncoder(w).Encode(v); err != nil {
return errors.Wrap(err, "failed to encode JSON")
}
return nil
}
func writeErrorJSON(w http.ResponseWriter, err error) {
w.WriteHeader(http.StatusInternalServerError)
_ = writeJSON(w, errorResponse{errObj{err.Error()}}) // ignore error, can't do anything
}
func getHeaders(r *http.Request) map[string]string {
hdr := make(map[string]string, len(r.Header))
for k, v := range r.Header {
hdr[k] = v[0]
}
return hdr
}
func getCookies(cs []*http.Cookie) map[string]string {
m := make(map[string]string, len(cs))
for _, v := range cs {
m[v.Name] = v.Value
}
return m
}
func flattenValues(uv url.Values) map[string]interface{} {
m := make(map[string]interface{}, len(uv))
for k, v := range uv {
if len(v) == 1 {
m[k] = v[0]
} else {
m[k] = v
}
}
return m
}

13
vendor/github.com/davecgh/go-spew/LICENSE сгенерированный поставляемый
Просмотреть файл

@ -1,13 +0,0 @@
Copyright (c) 2012-2013 Dave Collins <dave@davec.name>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

151
vendor/github.com/davecgh/go-spew/spew/bypass.go сгенерированный поставляемый
Просмотреть файл

@ -1,151 +0,0 @@
// Copyright (c) 2015 Dave Collins <dave@davec.name>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
// NOTE: Due to the following build constraints, this file will only be compiled
// when the code is not running on Google App Engine and "-tags disableunsafe"
// is not added to the go build command line.
// +build !appengine,!disableunsafe
package spew
import (
"reflect"
"unsafe"
)
const (
// UnsafeDisabled is a build-time constant which specifies whether or
// not access to the unsafe package is available.
UnsafeDisabled = false
// ptrSize is the size of a pointer on the current arch.
ptrSize = unsafe.Sizeof((*byte)(nil))
)
var (
// offsetPtr, offsetScalar, and offsetFlag are the offsets for the
// internal reflect.Value fields. These values are valid before golang
// commit ecccf07e7f9d which changed the format. The are also valid
// after commit 82f48826c6c7 which changed the format again to mirror
// the original format. Code in the init function updates these offsets
// as necessary.
offsetPtr = uintptr(ptrSize)
offsetScalar = uintptr(0)
offsetFlag = uintptr(ptrSize * 2)
// flagKindWidth and flagKindShift indicate various bits that the
// reflect package uses internally to track kind information.
//
// flagRO indicates whether or not the value field of a reflect.Value is
// read-only.
//
// flagIndir indicates whether the value field of a reflect.Value is
// the actual data or a pointer to the data.
//
// These values are valid before golang commit 90a7c3c86944 which
// changed their positions. Code in the init function updates these
// flags as necessary.
flagKindWidth = uintptr(5)
flagKindShift = uintptr(flagKindWidth - 1)
flagRO = uintptr(1 << 0)
flagIndir = uintptr(1 << 1)
)
func init() {
// Older versions of reflect.Value stored small integers directly in the
// ptr field (which is named val in the older versions). Versions
// between commits ecccf07e7f9d and 82f48826c6c7 added a new field named
// scalar for this purpose which unfortunately came before the flag
// field, so the offset of the flag field is different for those
// versions.
//
// This code constructs a new reflect.Value from a known small integer
// and checks if the size of the reflect.Value struct indicates it has
// the scalar field. When it does, the offsets are updated accordingly.
vv := reflect.ValueOf(0xf00)
if unsafe.Sizeof(vv) == (ptrSize * 4) {
offsetScalar = ptrSize * 2
offsetFlag = ptrSize * 3
}
// Commit 90a7c3c86944 changed the flag positions such that the low
// order bits are the kind. This code extracts the kind from the flags
// field and ensures it's the correct type. When it's not, the flag
// order has been changed to the newer format, so the flags are updated
// accordingly.
upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag)
upfv := *(*uintptr)(upf)
flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift)
if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) {
flagKindShift = 0
flagRO = 1 << 5
flagIndir = 1 << 6
// Commit adf9b30e5594 modified the flags to separate the
// flagRO flag into two bits which specifies whether or not the
// field is embedded. This causes flagIndir to move over a bit
// and means that flagRO is the combination of either of the
// original flagRO bit and the new bit.
//
// This code detects the change by extracting what used to be
// the indirect bit to ensure it's set. When it's not, the flag
// order has been changed to the newer format, so the flags are
// updated accordingly.
if upfv&flagIndir == 0 {
flagRO = 3 << 5
flagIndir = 1 << 7
}
}
}
// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
// the typical safety restrictions preventing access to unaddressable and
// unexported data. It works by digging the raw pointer to the underlying
// value out of the protected value and generating a new unprotected (unsafe)
// reflect.Value to it.
//
// This allows us to check for implementations of the Stringer and error
// interfaces to be used for pretty printing ordinarily unaddressable and
// inaccessible values such as unexported struct fields.
func unsafeReflectValue(v reflect.Value) (rv reflect.Value) {
indirects := 1
vt := v.Type()
upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr)
rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag))
if rvf&flagIndir != 0 {
vt = reflect.PtrTo(v.Type())
indirects++
} else if offsetScalar != 0 {
// The value is in the scalar field when it's not one of the
// reference types.
switch vt.Kind() {
case reflect.Uintptr:
case reflect.Chan:
case reflect.Func:
case reflect.Map:
case reflect.Ptr:
case reflect.UnsafePointer:
default:
upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) +
offsetScalar)
}
}
pv := reflect.NewAt(vt, upv)
rv = pv
for i := 0; i < indirects; i++ {
rv = rv.Elem()
}
return rv
}

37
vendor/github.com/davecgh/go-spew/spew/bypasssafe.go сгенерированный поставляемый
Просмотреть файл

@ -1,37 +0,0 @@
// Copyright (c) 2015 Dave Collins <dave@davec.name>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
// NOTE: Due to the following build constraints, this file will only be compiled
// when either the code is running on Google App Engine or "-tags disableunsafe"
// is added to the go build command line.
// +build appengine disableunsafe
package spew
import "reflect"
const (
// UnsafeDisabled is a build-time constant which specifies whether or
// not access to the unsafe package is available.
UnsafeDisabled = true
)
// unsafeReflectValue typically converts the passed reflect.Value into a one
// that bypasses the typical safety restrictions preventing access to
// unaddressable and unexported data. However, doing this relies on access to
// the unsafe package. This is a stub version which simply returns the passed
// reflect.Value when the unsafe package is not available.
func unsafeReflectValue(v reflect.Value) reflect.Value {
return v
}

341
vendor/github.com/davecgh/go-spew/spew/common.go сгенерированный поставляемый
Просмотреть файл

@ -1,341 +0,0 @@
/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"io"
"reflect"
"sort"
"strconv"
)
// Some constants in the form of bytes to avoid string overhead. This mirrors
// the technique used in the fmt package.
var (
panicBytes = []byte("(PANIC=")
plusBytes = []byte("+")
iBytes = []byte("i")
trueBytes = []byte("true")
falseBytes = []byte("false")
interfaceBytes = []byte("(interface {})")
commaNewlineBytes = []byte(",\n")
newlineBytes = []byte("\n")
openBraceBytes = []byte("{")
openBraceNewlineBytes = []byte("{\n")
closeBraceBytes = []byte("}")
asteriskBytes = []byte("*")
colonBytes = []byte(":")
colonSpaceBytes = []byte(": ")
openParenBytes = []byte("(")
closeParenBytes = []byte(")")
spaceBytes = []byte(" ")
pointerChainBytes = []byte("->")
nilAngleBytes = []byte("<nil>")
maxNewlineBytes = []byte("<max depth reached>\n")
maxShortBytes = []byte("<max>")
circularBytes = []byte("<already shown>")
circularShortBytes = []byte("<shown>")
invalidAngleBytes = []byte("<invalid>")
openBracketBytes = []byte("[")
closeBracketBytes = []byte("]")
percentBytes = []byte("%")
precisionBytes = []byte(".")
openAngleBytes = []byte("<")
closeAngleBytes = []byte(">")
openMapBytes = []byte("map[")
closeMapBytes = []byte("]")
lenEqualsBytes = []byte("len=")
capEqualsBytes = []byte("cap=")
)
// hexDigits is used to map a decimal value to a hex digit.
var hexDigits = "0123456789abcdef"
// catchPanic handles any panics that might occur during the handleMethods
// calls.
func catchPanic(w io.Writer, v reflect.Value) {
if err := recover(); err != nil {
w.Write(panicBytes)
fmt.Fprintf(w, "%v", err)
w.Write(closeParenBytes)
}
}
// handleMethods attempts to call the Error and String methods on the underlying
// type the passed reflect.Value represents and outputes the result to Writer w.
//
// It handles panics in any called methods by catching and displaying the error
// as the formatted value.
func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
// We need an interface to check if the type implements the error or
// Stringer interface. However, the reflect package won't give us an
// interface on certain things like unexported struct fields in order
// to enforce visibility rules. We use unsafe, when it's available,
// to bypass these restrictions since this package does not mutate the
// values.
if !v.CanInterface() {
if UnsafeDisabled {
return false
}
v = unsafeReflectValue(v)
}
// Choose whether or not to do error and Stringer interface lookups against
// the base type or a pointer to the base type depending on settings.
// Technically calling one of these methods with a pointer receiver can
// mutate the value, however, types which choose to satisify an error or
// Stringer interface with a pointer receiver should not be mutating their
// state inside these interface methods.
if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
v = unsafeReflectValue(v)
}
if v.CanAddr() {
v = v.Addr()
}
// Is it an error or Stringer?
switch iface := v.Interface().(type) {
case error:
defer catchPanic(w, v)
if cs.ContinueOnMethod {
w.Write(openParenBytes)
w.Write([]byte(iface.Error()))
w.Write(closeParenBytes)
w.Write(spaceBytes)
return false
}
w.Write([]byte(iface.Error()))
return true
case fmt.Stringer:
defer catchPanic(w, v)
if cs.ContinueOnMethod {
w.Write(openParenBytes)
w.Write([]byte(iface.String()))
w.Write(closeParenBytes)
w.Write(spaceBytes)
return false
}
w.Write([]byte(iface.String()))
return true
}
return false
}
// printBool outputs a boolean value as true or false to Writer w.
func printBool(w io.Writer, val bool) {
if val {
w.Write(trueBytes)
} else {
w.Write(falseBytes)
}
}
// printInt outputs a signed integer value to Writer w.
func printInt(w io.Writer, val int64, base int) {
w.Write([]byte(strconv.FormatInt(val, base)))
}
// printUint outputs an unsigned integer value to Writer w.
func printUint(w io.Writer, val uint64, base int) {
w.Write([]byte(strconv.FormatUint(val, base)))
}
// printFloat outputs a floating point value using the specified precision,
// which is expected to be 32 or 64bit, to Writer w.
func printFloat(w io.Writer, val float64, precision int) {
w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
}
// printComplex outputs a complex value using the specified float precision
// for the real and imaginary parts to Writer w.
func printComplex(w io.Writer, c complex128, floatPrecision int) {
r := real(c)
w.Write(openParenBytes)
w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
i := imag(c)
if i >= 0 {
w.Write(plusBytes)
}
w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
w.Write(iBytes)
w.Write(closeParenBytes)
}
// printHexPtr outputs a uintptr formatted as hexidecimal with a leading '0x'
// prefix to Writer w.
func printHexPtr(w io.Writer, p uintptr) {
// Null pointer.
num := uint64(p)
if num == 0 {
w.Write(nilAngleBytes)
return
}
// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
buf := make([]byte, 18)
// It's simpler to construct the hex string right to left.
base := uint64(16)
i := len(buf) - 1
for num >= base {
buf[i] = hexDigits[num%base]
num /= base
i--
}
buf[i] = hexDigits[num]
// Add '0x' prefix.
i--
buf[i] = 'x'
i--
buf[i] = '0'
// Strip unused leading bytes.
buf = buf[i:]
w.Write(buf)
}
// valuesSorter implements sort.Interface to allow a slice of reflect.Value
// elements to be sorted.
type valuesSorter struct {
values []reflect.Value
strings []string // either nil or same len and values
cs *ConfigState
}
// newValuesSorter initializes a valuesSorter instance, which holds a set of
// surrogate keys on which the data should be sorted. It uses flags in
// ConfigState to decide if and how to populate those surrogate keys.
func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
vs := &valuesSorter{values: values, cs: cs}
if canSortSimply(vs.values[0].Kind()) {
return vs
}
if !cs.DisableMethods {
vs.strings = make([]string, len(values))
for i := range vs.values {
b := bytes.Buffer{}
if !handleMethods(cs, &b, vs.values[i]) {
vs.strings = nil
break
}
vs.strings[i] = b.String()
}
}
if vs.strings == nil && cs.SpewKeys {
vs.strings = make([]string, len(values))
for i := range vs.values {
vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
}
}
return vs
}
// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
// directly, or whether it should be considered for sorting by surrogate keys
// (if the ConfigState allows it).
func canSortSimply(kind reflect.Kind) bool {
// This switch parallels valueSortLess, except for the default case.
switch kind {
case reflect.Bool:
return true
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return true
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
return true
case reflect.Float32, reflect.Float64:
return true
case reflect.String:
return true
case reflect.Uintptr:
return true
case reflect.Array:
return true
}
return false
}
// Len returns the number of values in the slice. It is part of the
// sort.Interface implementation.
func (s *valuesSorter) Len() int {
return len(s.values)
}
// Swap swaps the values at the passed indices. It is part of the
// sort.Interface implementation.
func (s *valuesSorter) Swap(i, j int) {
s.values[i], s.values[j] = s.values[j], s.values[i]
if s.strings != nil {
s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
}
}
// valueSortLess returns whether the first value should sort before the second
// value. It is used by valueSorter.Less as part of the sort.Interface
// implementation.
func valueSortLess(a, b reflect.Value) bool {
switch a.Kind() {
case reflect.Bool:
return !a.Bool() && b.Bool()
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return a.Int() < b.Int()
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
return a.Uint() < b.Uint()
case reflect.Float32, reflect.Float64:
return a.Float() < b.Float()
case reflect.String:
return a.String() < b.String()
case reflect.Uintptr:
return a.Uint() < b.Uint()
case reflect.Array:
// Compare the contents of both arrays.
l := a.Len()
for i := 0; i < l; i++ {
av := a.Index(i)
bv := b.Index(i)
if av.Interface() == bv.Interface() {
continue
}
return valueSortLess(av, bv)
}
}
return a.String() < b.String()
}
// Less returns whether the value at index i should sort before the
// value at index j. It is part of the sort.Interface implementation.
func (s *valuesSorter) Less(i, j int) bool {
if s.strings == nil {
return valueSortLess(s.values[i], s.values[j])
}
return s.strings[i] < s.strings[j]
}
// sortValues is a sort function that handles both native types and any type that
// can be converted to error or Stringer. Other inputs are sorted according to
// their Value.String() value to ensure display stability.
func sortValues(values []reflect.Value, cs *ConfigState) {
if len(values) == 0 {
return
}
sort.Sort(newValuesSorter(values, cs))
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"io"
"os"
)
// ConfigState houses the configuration options used by spew to format and
// display values. There is a global instance, Config, that is used to control
// all top-level Formatter and Dump functionality. Each ConfigState instance
// provides methods equivalent to the top-level functions.
//
// The zero value for ConfigState provides no indentation. You would typically
// want to set it to a space or a tab.
//
// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
// with default settings. See the documentation of NewDefaultConfig for default
// values.
type ConfigState struct {
// Indent specifies the string to use for each indentation level. The
// global config instance that all top-level functions use set this to a
// single space by default. If you would like more indentation, you might
// set this to a tab with "\t" or perhaps two spaces with " ".
Indent string
// MaxDepth controls the maximum number of levels to descend into nested
// data structures. The default, 0, means there is no limit.
//
// NOTE: Circular data structures are properly detected, so it is not
// necessary to set this value unless you specifically want to limit deeply
// nested data structures.
MaxDepth int
// DisableMethods specifies whether or not error and Stringer interfaces are
// invoked for types that implement them.
DisableMethods bool
// DisablePointerMethods specifies whether or not to check for and invoke
// error and Stringer interfaces on types which only accept a pointer
// receiver when the current type is not a pointer.
//
// NOTE: This might be an unsafe action since calling one of these methods
// with a pointer receiver could technically mutate the value, however,
// in practice, types which choose to satisify an error or Stringer
// interface with a pointer receiver should not be mutating their state
// inside these interface methods. As a result, this option relies on
// access to the unsafe package, so it will not have any effect when
// running in environments without access to the unsafe package such as
// Google App Engine or with the "disableunsafe" build tag specified.
DisablePointerMethods bool
// ContinueOnMethod specifies whether or not recursion should continue once
// a custom error or Stringer interface is invoked. The default, false,
// means it will print the results of invoking the custom error or Stringer
// interface and return immediately instead of continuing to recurse into
// the internals of the data type.
//
// NOTE: This flag does not have any effect if method invocation is disabled
// via the DisableMethods or DisablePointerMethods options.
ContinueOnMethod bool
// SortKeys specifies map keys should be sorted before being printed. Use
// this to have a more deterministic, diffable output. Note that only
// native types (bool, int, uint, floats, uintptr and string) and types
// that support the error or Stringer interfaces (if methods are
// enabled) are supported, with other types sorted according to the
// reflect.Value.String() output which guarantees display stability.
SortKeys bool
// SpewKeys specifies that, as a last resort attempt, map keys should
// be spewed to strings and sorted by those strings. This is only
// considered if SortKeys is true.
SpewKeys bool
}
// Config is the active configuration of the top-level functions.
// The configuration can be changed by modifying the contents of spew.Config.
var Config = ConfigState{Indent: " "}
// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the formatted string as a value that satisfies error. See NewFormatter
// for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
return fmt.Errorf(format, c.convertArgs(a)...)
}
// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprint(w, c.convertArgs(a)...)
}
// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
return fmt.Fprintf(w, format, c.convertArgs(a)...)
}
// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
// passed with a Formatter interface returned by c.NewFormatter. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprintln(w, c.convertArgs(a)...)
}
// Print is a wrapper for fmt.Print that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
return fmt.Print(c.convertArgs(a)...)
}
// Printf is a wrapper for fmt.Printf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
return fmt.Printf(format, c.convertArgs(a)...)
}
// Println is a wrapper for fmt.Println that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
return fmt.Println(c.convertArgs(a)...)
}
// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprint(a ...interface{}) string {
return fmt.Sprint(c.convertArgs(a)...)
}
// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
return fmt.Sprintf(format, c.convertArgs(a)...)
}
// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
// were passed with a Formatter interface returned by c.NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprintln(a ...interface{}) string {
return fmt.Sprintln(c.convertArgs(a)...)
}
/*
NewFormatter returns a custom formatter that satisfies the fmt.Formatter
interface. As a result, it integrates cleanly with standard fmt package
printing functions. The formatter is useful for inline printing of smaller data
types similar to the standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Typically this function shouldn't be called directly. It is much easier to make
use of the custom formatter by calling one of the convenience functions such as
c.Printf, c.Println, or c.Printf.
*/
func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
return newFormatter(c, v)
}
// Fdump formats and displays the passed arguments to io.Writer w. It formats
// exactly the same as Dump.
func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
fdump(c, w, a...)
}
/*
Dump displays the passed parameters to standard out with newlines, customizable
indentation, and additional debug information such as complete types and all
pointer addresses used to indirect to the final value. It provides the
following features over the built-in printing facilities provided by the fmt
package:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output
The configuration options are controlled by modifying the public members
of c. See ConfigState for options documentation.
See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
get the formatted result as a string.
*/
func (c *ConfigState) Dump(a ...interface{}) {
fdump(c, os.Stdout, a...)
}
// Sdump returns a string with the passed arguments formatted exactly the same
// as Dump.
func (c *ConfigState) Sdump(a ...interface{}) string {
var buf bytes.Buffer
fdump(c, &buf, a...)
return buf.String()
}
// convertArgs accepts a slice of arguments and returns a slice of the same
// length with each argument converted to a spew Formatter interface using
// the ConfigState associated with s.
func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
formatters = make([]interface{}, len(args))
for index, arg := range args {
formatters[index] = newFormatter(c, arg)
}
return formatters
}
// NewDefaultConfig returns a ConfigState with the following default settings.
//
// Indent: " "
// MaxDepth: 0
// DisableMethods: false
// DisablePointerMethods: false
// ContinueOnMethod: false
// SortKeys: false
func NewDefaultConfig() *ConfigState {
return &ConfigState{Indent: " "}
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
Package spew implements a deep pretty printer for Go data structures to aid in
debugging.
A quick overview of the additional features spew provides over the built-in
printing facilities for Go data types are as follows:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output (only when using
Dump style)
There are two different approaches spew allows for dumping Go data structures:
* Dump style which prints with newlines, customizable indentation,
and additional debug information such as types and all pointer addresses
used to indirect to the final value
* A custom Formatter interface that integrates cleanly with the standard fmt
package and replaces %v, %+v, %#v, and %#+v to provide inline printing
similar to the default %v while providing the additional functionality
outlined above and passing unsupported format verbs such as %x and %q
along to fmt
Quick Start
This section demonstrates how to quickly get started with spew. See the
sections below for further details on formatting and configuration options.
To dump a variable with full newlines, indentation, type, and pointer
information use Dump, Fdump, or Sdump:
spew.Dump(myVar1, myVar2, ...)
spew.Fdump(someWriter, myVar1, myVar2, ...)
str := spew.Sdump(myVar1, myVar2, ...)
Alternatively, if you would prefer to use format strings with a compacted inline
printing style, use the convenience wrappers Printf, Fprintf, etc with
%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
%#+v (adds types and pointer addresses):
spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
Configuration Options
Configuration of spew is handled by fields in the ConfigState type. For
convenience, all of the top-level functions use a global state available
via the spew.Config global.
It is also possible to create a ConfigState instance that provides methods
equivalent to the top-level functions. This allows concurrent configuration
options. See the ConfigState documentation for more details.
The following configuration options are available:
* Indent
String to use for each indentation level for Dump functions.
It is a single space by default. A popular alternative is "\t".
* MaxDepth
Maximum number of levels to descend into nested data structures.
There is no limit by default.
* DisableMethods
Disables invocation of error and Stringer interface methods.
Method invocation is enabled by default.
* DisablePointerMethods
Disables invocation of error and Stringer interface methods on types
which only accept pointer receivers from non-pointer variables.
Pointer method invocation is enabled by default.
* ContinueOnMethod
Enables recursion into types after invoking error and Stringer interface
methods. Recursion after method invocation is disabled by default.
* SortKeys
Specifies map keys should be sorted before being printed. Use
this to have a more deterministic, diffable output. Note that
only native types (bool, int, uint, floats, uintptr and string)
and types which implement error or Stringer interfaces are
supported with other types sorted according to the
reflect.Value.String() output which guarantees display
stability. Natural map order is used by default.
* SpewKeys
Specifies that, as a last resort attempt, map keys should be
spewed to strings and sorted by those strings. This is only
considered if SortKeys is true.
Dump Usage
Simply call spew.Dump with a list of variables you want to dump:
spew.Dump(myVar1, myVar2, ...)
You may also call spew.Fdump if you would prefer to output to an arbitrary
io.Writer. For example, to dump to standard error:
spew.Fdump(os.Stderr, myVar1, myVar2, ...)
A third option is to call spew.Sdump to get the formatted output as a string:
str := spew.Sdump(myVar1, myVar2, ...)
Sample Dump Output
See the Dump example for details on the setup of the types and variables being
shown here.
(main.Foo) {
unexportedField: (*main.Bar)(0xf84002e210)({
flag: (main.Flag) flagTwo,
data: (uintptr) <nil>
}),
ExportedField: (map[interface {}]interface {}) (len=1) {
(string) (len=3) "one": (bool) true
}
}
Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
command as shown.
([]uint8) (len=32 cap=32) {
00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 |............... |
00000010 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 |!"#$%&'()*+,-./0|
00000020 31 32 |12|
}
Custom Formatter
Spew provides a custom formatter that implements the fmt.Formatter interface
so that it integrates cleanly with standard fmt package printing functions. The
formatter is useful for inline printing of smaller data types similar to the
standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Custom Formatter Usage
The simplest way to make use of the spew custom formatter is to call one of the
convenience functions such as spew.Printf, spew.Println, or spew.Printf. The
functions have syntax you are most likely already familiar with:
spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
spew.Println(myVar, myVar2)
spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
See the Index for the full list convenience functions.
Sample Formatter Output
Double pointer to a uint8:
%v: <**>5
%+v: <**>(0xf8400420d0->0xf8400420c8)5
%#v: (**uint8)5
%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
Pointer to circular struct with a uint8 field and a pointer to itself:
%v: <*>{1 <*><shown>}
%+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
%#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
See the Printf example for details on the setup of variables being shown
here.
Errors
Since it is possible for custom Stringer/error interfaces to panic, spew
detects them and handles them internally by printing the panic information
inline with the output. Since spew is intended to provide deep pretty printing
capabilities on structures, it intentionally does not return any errors.
*/
package spew

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"os"
"reflect"
"regexp"
"strconv"
"strings"
)
var (
// uint8Type is a reflect.Type representing a uint8. It is used to
// convert cgo types to uint8 slices for hexdumping.
uint8Type = reflect.TypeOf(uint8(0))
// cCharRE is a regular expression that matches a cgo char.
// It is used to detect character arrays to hexdump them.
cCharRE = regexp.MustCompile("^.*\\._Ctype_char$")
// cUnsignedCharRE is a regular expression that matches a cgo unsigned
// char. It is used to detect unsigned character arrays to hexdump
// them.
cUnsignedCharRE = regexp.MustCompile("^.*\\._Ctype_unsignedchar$")
// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
// It is used to detect uint8_t arrays to hexdump them.
cUint8tCharRE = regexp.MustCompile("^.*\\._Ctype_uint8_t$")
)
// dumpState contains information about the state of a dump operation.
type dumpState struct {
w io.Writer
depth int
pointers map[uintptr]int
ignoreNextType bool
ignoreNextIndent bool
cs *ConfigState
}
// indent performs indentation according to the depth level and cs.Indent
// option.
func (d *dumpState) indent() {
if d.ignoreNextIndent {
d.ignoreNextIndent = false
return
}
d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
}
// unpackValue returns values inside of non-nil interfaces when possible.
// This is useful for data types like structs, arrays, slices, and maps which
// can contain varying types packed inside an interface.
func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
if v.Kind() == reflect.Interface && !v.IsNil() {
v = v.Elem()
}
return v
}
// dumpPtr handles formatting of pointers by indirecting them as necessary.
func (d *dumpState) dumpPtr(v reflect.Value) {
// Remove pointers at or below the current depth from map used to detect
// circular refs.
for k, depth := range d.pointers {
if depth >= d.depth {
delete(d.pointers, k)
}
}
// Keep list of all dereferenced pointers to show later.
pointerChain := make([]uintptr, 0)
// Figure out how many levels of indirection there are by dereferencing
// pointers and unpacking interfaces down the chain while detecting circular
// references.
nilFound := false
cycleFound := false
indirects := 0
ve := v
for ve.Kind() == reflect.Ptr {
if ve.IsNil() {
nilFound = true
break
}
indirects++
addr := ve.Pointer()
pointerChain = append(pointerChain, addr)
if pd, ok := d.pointers[addr]; ok && pd < d.depth {
cycleFound = true
indirects--
break
}
d.pointers[addr] = d.depth
ve = ve.Elem()
if ve.Kind() == reflect.Interface {
if ve.IsNil() {
nilFound = true
break
}
ve = ve.Elem()
}
}
// Display type information.
d.w.Write(openParenBytes)
d.w.Write(bytes.Repeat(asteriskBytes, indirects))
d.w.Write([]byte(ve.Type().String()))
d.w.Write(closeParenBytes)
// Display pointer information.
if len(pointerChain) > 0 {
d.w.Write(openParenBytes)
for i, addr := range pointerChain {
if i > 0 {
d.w.Write(pointerChainBytes)
}
printHexPtr(d.w, addr)
}
d.w.Write(closeParenBytes)
}
// Display dereferenced value.
d.w.Write(openParenBytes)
switch {
case nilFound == true:
d.w.Write(nilAngleBytes)
case cycleFound == true:
d.w.Write(circularBytes)
default:
d.ignoreNextType = true
d.dump(ve)
}
d.w.Write(closeParenBytes)
}
// dumpSlice handles formatting of arrays and slices. Byte (uint8 under
// reflection) arrays and slices are dumped in hexdump -C fashion.
func (d *dumpState) dumpSlice(v reflect.Value) {
// Determine whether this type should be hex dumped or not. Also,
// for types which should be hexdumped, try to use the underlying data
// first, then fall back to trying to convert them to a uint8 slice.
var buf []uint8
doConvert := false
doHexDump := false
numEntries := v.Len()
if numEntries > 0 {
vt := v.Index(0).Type()
vts := vt.String()
switch {
// C types that need to be converted.
case cCharRE.MatchString(vts):
fallthrough
case cUnsignedCharRE.MatchString(vts):
fallthrough
case cUint8tCharRE.MatchString(vts):
doConvert = true
// Try to use existing uint8 slices and fall back to converting
// and copying if that fails.
case vt.Kind() == reflect.Uint8:
// We need an addressable interface to convert the type
// to a byte slice. However, the reflect package won't
// give us an interface on certain things like
// unexported struct fields in order to enforce
// visibility rules. We use unsafe, when available, to
// bypass these restrictions since this package does not
// mutate the values.
vs := v
if !vs.CanInterface() || !vs.CanAddr() {
vs = unsafeReflectValue(vs)
}
if !UnsafeDisabled {
vs = vs.Slice(0, numEntries)
// Use the existing uint8 slice if it can be
// type asserted.
iface := vs.Interface()
if slice, ok := iface.([]uint8); ok {
buf = slice
doHexDump = true
break
}
}
// The underlying data needs to be converted if it can't
// be type asserted to a uint8 slice.
doConvert = true
}
// Copy and convert the underlying type if needed.
if doConvert && vt.ConvertibleTo(uint8Type) {
// Convert and copy each element into a uint8 byte
// slice.
buf = make([]uint8, numEntries)
for i := 0; i < numEntries; i++ {
vv := v.Index(i)
buf[i] = uint8(vv.Convert(uint8Type).Uint())
}
doHexDump = true
}
}
// Hexdump the entire slice as needed.
if doHexDump {
indent := strings.Repeat(d.cs.Indent, d.depth)
str := indent + hex.Dump(buf)
str = strings.Replace(str, "\n", "\n"+indent, -1)
str = strings.TrimRight(str, d.cs.Indent)
d.w.Write([]byte(str))
return
}
// Recursively call dump for each item.
for i := 0; i < numEntries; i++ {
d.dump(d.unpackValue(v.Index(i)))
if i < (numEntries - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
// dump is the main workhorse for dumping a value. It uses the passed reflect
// value to figure out what kind of object we are dealing with and formats it
// appropriately. It is a recursive function, however circular data structures
// are detected and handled properly.
func (d *dumpState) dump(v reflect.Value) {
// Handle invalid reflect values immediately.
kind := v.Kind()
if kind == reflect.Invalid {
d.w.Write(invalidAngleBytes)
return
}
// Handle pointers specially.
if kind == reflect.Ptr {
d.indent()
d.dumpPtr(v)
return
}
// Print type information unless already handled elsewhere.
if !d.ignoreNextType {
d.indent()
d.w.Write(openParenBytes)
d.w.Write([]byte(v.Type().String()))
d.w.Write(closeParenBytes)
d.w.Write(spaceBytes)
}
d.ignoreNextType = false
// Display length and capacity if the built-in len and cap functions
// work with the value's kind and the len/cap itself is non-zero.
valueLen, valueCap := 0, 0
switch v.Kind() {
case reflect.Array, reflect.Slice, reflect.Chan:
valueLen, valueCap = v.Len(), v.Cap()
case reflect.Map, reflect.String:
valueLen = v.Len()
}
if valueLen != 0 || valueCap != 0 {
d.w.Write(openParenBytes)
if valueLen != 0 {
d.w.Write(lenEqualsBytes)
printInt(d.w, int64(valueLen), 10)
}
if valueCap != 0 {
if valueLen != 0 {
d.w.Write(spaceBytes)
}
d.w.Write(capEqualsBytes)
printInt(d.w, int64(valueCap), 10)
}
d.w.Write(closeParenBytes)
d.w.Write(spaceBytes)
}
// Call Stringer/error interfaces if they exist and the handle methods flag
// is enabled
if !d.cs.DisableMethods {
if (kind != reflect.Invalid) && (kind != reflect.Interface) {
if handled := handleMethods(d.cs, d.w, v); handled {
return
}
}
}
switch kind {
case reflect.Invalid:
// Do nothing. We should never get here since invalid has already
// been handled above.
case reflect.Bool:
printBool(d.w, v.Bool())
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
printInt(d.w, v.Int(), 10)
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
printUint(d.w, v.Uint(), 10)
case reflect.Float32:
printFloat(d.w, v.Float(), 32)
case reflect.Float64:
printFloat(d.w, v.Float(), 64)
case reflect.Complex64:
printComplex(d.w, v.Complex(), 32)
case reflect.Complex128:
printComplex(d.w, v.Complex(), 64)
case reflect.Slice:
if v.IsNil() {
d.w.Write(nilAngleBytes)
break
}
fallthrough
case reflect.Array:
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
d.dumpSlice(v)
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.String:
d.w.Write([]byte(strconv.Quote(v.String())))
case reflect.Interface:
// The only time we should get here is for nil interfaces due to
// unpackValue calls.
if v.IsNil() {
d.w.Write(nilAngleBytes)
}
case reflect.Ptr:
// Do nothing. We should never get here since pointers have already
// been handled above.
case reflect.Map:
// nil maps should be indicated as different than empty maps
if v.IsNil() {
d.w.Write(nilAngleBytes)
break
}
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
numEntries := v.Len()
keys := v.MapKeys()
if d.cs.SortKeys {
sortValues(keys, d.cs)
}
for i, key := range keys {
d.dump(d.unpackValue(key))
d.w.Write(colonSpaceBytes)
d.ignoreNextIndent = true
d.dump(d.unpackValue(v.MapIndex(key)))
if i < (numEntries - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.Struct:
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
vt := v.Type()
numFields := v.NumField()
for i := 0; i < numFields; i++ {
d.indent()
vtf := vt.Field(i)
d.w.Write([]byte(vtf.Name))
d.w.Write(colonSpaceBytes)
d.ignoreNextIndent = true
d.dump(d.unpackValue(v.Field(i)))
if i < (numFields - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.Uintptr:
printHexPtr(d.w, uintptr(v.Uint()))
case reflect.UnsafePointer, reflect.Chan, reflect.Func:
printHexPtr(d.w, v.Pointer())
// There were not any other types at the time this code was written, but
// fall back to letting the default fmt package handle it in case any new
// types are added.
default:
if v.CanInterface() {
fmt.Fprintf(d.w, "%v", v.Interface())
} else {
fmt.Fprintf(d.w, "%v", v.String())
}
}
}
// fdump is a helper function to consolidate the logic from the various public
// methods which take varying writers and config states.
func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
for _, arg := range a {
if arg == nil {
w.Write(interfaceBytes)
w.Write(spaceBytes)
w.Write(nilAngleBytes)
w.Write(newlineBytes)
continue
}
d := dumpState{w: w, cs: cs}
d.pointers = make(map[uintptr]int)
d.dump(reflect.ValueOf(arg))
d.w.Write(newlineBytes)
}
}
// Fdump formats and displays the passed arguments to io.Writer w. It formats
// exactly the same as Dump.
func Fdump(w io.Writer, a ...interface{}) {
fdump(&Config, w, a...)
}
// Sdump returns a string with the passed arguments formatted exactly the same
// as Dump.
func Sdump(a ...interface{}) string {
var buf bytes.Buffer
fdump(&Config, &buf, a...)
return buf.String()
}
/*
Dump displays the passed parameters to standard out with newlines, customizable
indentation, and additional debug information such as complete types and all
pointer addresses used to indirect to the final value. It provides the
following features over the built-in printing facilities provided by the fmt
package:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output
The configuration options are controlled by an exported package global,
spew.Config. See ConfigState for options documentation.
See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
get the formatted result as a string.
*/
func Dump(a ...interface{}) {
fdump(&Config, os.Stdout, a...)
}

419
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@ -1,419 +0,0 @@
/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"reflect"
"strconv"
"strings"
)
// supportedFlags is a list of all the character flags supported by fmt package.
const supportedFlags = "0-+# "
// formatState implements the fmt.Formatter interface and contains information
// about the state of a formatting operation. The NewFormatter function can
// be used to get a new Formatter which can be used directly as arguments
// in standard fmt package printing calls.
type formatState struct {
value interface{}
fs fmt.State
depth int
pointers map[uintptr]int
ignoreNextType bool
cs *ConfigState
}
// buildDefaultFormat recreates the original format string without precision
// and width information to pass in to fmt.Sprintf in the case of an
// unrecognized type. Unless new types are added to the language, this
// function won't ever be called.
func (f *formatState) buildDefaultFormat() (format string) {
buf := bytes.NewBuffer(percentBytes)
for _, flag := range supportedFlags {
if f.fs.Flag(int(flag)) {
buf.WriteRune(flag)
}
}
buf.WriteRune('v')
format = buf.String()
return format
}
// constructOrigFormat recreates the original format string including precision
// and width information to pass along to the standard fmt package. This allows
// automatic deferral of all format strings this package doesn't support.
func (f *formatState) constructOrigFormat(verb rune) (format string) {
buf := bytes.NewBuffer(percentBytes)
for _, flag := range supportedFlags {
if f.fs.Flag(int(flag)) {
buf.WriteRune(flag)
}
}
if width, ok := f.fs.Width(); ok {
buf.WriteString(strconv.Itoa(width))
}
if precision, ok := f.fs.Precision(); ok {
buf.Write(precisionBytes)
buf.WriteString(strconv.Itoa(precision))
}
buf.WriteRune(verb)
format = buf.String()
return format
}
// unpackValue returns values inside of non-nil interfaces when possible and
// ensures that types for values which have been unpacked from an interface
// are displayed when the show types flag is also set.
// This is useful for data types like structs, arrays, slices, and maps which
// can contain varying types packed inside an interface.
func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
if v.Kind() == reflect.Interface {
f.ignoreNextType = false
if !v.IsNil() {
v = v.Elem()
}
}
return v
}
// formatPtr handles formatting of pointers by indirecting them as necessary.
func (f *formatState) formatPtr(v reflect.Value) {
// Display nil if top level pointer is nil.
showTypes := f.fs.Flag('#')
if v.IsNil() && (!showTypes || f.ignoreNextType) {
f.fs.Write(nilAngleBytes)
return
}
// Remove pointers at or below the current depth from map used to detect
// circular refs.
for k, depth := range f.pointers {
if depth >= f.depth {
delete(f.pointers, k)
}
}
// Keep list of all dereferenced pointers to possibly show later.
pointerChain := make([]uintptr, 0)
// Figure out how many levels of indirection there are by derferencing
// pointers and unpacking interfaces down the chain while detecting circular
// references.
nilFound := false
cycleFound := false
indirects := 0
ve := v
for ve.Kind() == reflect.Ptr {
if ve.IsNil() {
nilFound = true
break
}
indirects++
addr := ve.Pointer()
pointerChain = append(pointerChain, addr)
if pd, ok := f.pointers[addr]; ok && pd < f.depth {
cycleFound = true
indirects--
break
}
f.pointers[addr] = f.depth
ve = ve.Elem()
if ve.Kind() == reflect.Interface {
if ve.IsNil() {
nilFound = true
break
}
ve = ve.Elem()
}
}
// Display type or indirection level depending on flags.
if showTypes && !f.ignoreNextType {
f.fs.Write(openParenBytes)
f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
f.fs.Write([]byte(ve.Type().String()))
f.fs.Write(closeParenBytes)
} else {
if nilFound || cycleFound {
indirects += strings.Count(ve.Type().String(), "*")
}
f.fs.Write(openAngleBytes)
f.fs.Write([]byte(strings.Repeat("*", indirects)))
f.fs.Write(closeAngleBytes)
}
// Display pointer information depending on flags.
if f.fs.Flag('+') && (len(pointerChain) > 0) {
f.fs.Write(openParenBytes)
for i, addr := range pointerChain {
if i > 0 {
f.fs.Write(pointerChainBytes)
}
printHexPtr(f.fs, addr)
}
f.fs.Write(closeParenBytes)
}
// Display dereferenced value.
switch {
case nilFound == true:
f.fs.Write(nilAngleBytes)
case cycleFound == true:
f.fs.Write(circularShortBytes)
default:
f.ignoreNextType = true
f.format(ve)
}
}
// format is the main workhorse for providing the Formatter interface. It
// uses the passed reflect value to figure out what kind of object we are
// dealing with and formats it appropriately. It is a recursive function,
// however circular data structures are detected and handled properly.
func (f *formatState) format(v reflect.Value) {
// Handle invalid reflect values immediately.
kind := v.Kind()
if kind == reflect.Invalid {
f.fs.Write(invalidAngleBytes)
return
}
// Handle pointers specially.
if kind == reflect.Ptr {
f.formatPtr(v)
return
}
// Print type information unless already handled elsewhere.
if !f.ignoreNextType && f.fs.Flag('#') {
f.fs.Write(openParenBytes)
f.fs.Write([]byte(v.Type().String()))
f.fs.Write(closeParenBytes)
}
f.ignoreNextType = false
// Call Stringer/error interfaces if they exist and the handle methods
// flag is enabled.
if !f.cs.DisableMethods {
if (kind != reflect.Invalid) && (kind != reflect.Interface) {
if handled := handleMethods(f.cs, f.fs, v); handled {
return
}
}
}
switch kind {
case reflect.Invalid:
// Do nothing. We should never get here since invalid has already
// been handled above.
case reflect.Bool:
printBool(f.fs, v.Bool())
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
printInt(f.fs, v.Int(), 10)
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
printUint(f.fs, v.Uint(), 10)
case reflect.Float32:
printFloat(f.fs, v.Float(), 32)
case reflect.Float64:
printFloat(f.fs, v.Float(), 64)
case reflect.Complex64:
printComplex(f.fs, v.Complex(), 32)
case reflect.Complex128:
printComplex(f.fs, v.Complex(), 64)
case reflect.Slice:
if v.IsNil() {
f.fs.Write(nilAngleBytes)
break
}
fallthrough
case reflect.Array:
f.fs.Write(openBracketBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
numEntries := v.Len()
for i := 0; i < numEntries; i++ {
if i > 0 {
f.fs.Write(spaceBytes)
}
f.ignoreNextType = true
f.format(f.unpackValue(v.Index(i)))
}
}
f.depth--
f.fs.Write(closeBracketBytes)
case reflect.String:
f.fs.Write([]byte(v.String()))
case reflect.Interface:
// The only time we should get here is for nil interfaces due to
// unpackValue calls.
if v.IsNil() {
f.fs.Write(nilAngleBytes)
}
case reflect.Ptr:
// Do nothing. We should never get here since pointers have already
// been handled above.
case reflect.Map:
// nil maps should be indicated as different than empty maps
if v.IsNil() {
f.fs.Write(nilAngleBytes)
break
}
f.fs.Write(openMapBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
keys := v.MapKeys()
if f.cs.SortKeys {
sortValues(keys, f.cs)
}
for i, key := range keys {
if i > 0 {
f.fs.Write(spaceBytes)
}
f.ignoreNextType = true
f.format(f.unpackValue(key))
f.fs.Write(colonBytes)
f.ignoreNextType = true
f.format(f.unpackValue(v.MapIndex(key)))
}
}
f.depth--
f.fs.Write(closeMapBytes)
case reflect.Struct:
numFields := v.NumField()
f.fs.Write(openBraceBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
vt := v.Type()
for i := 0; i < numFields; i++ {
if i > 0 {
f.fs.Write(spaceBytes)
}
vtf := vt.Field(i)
if f.fs.Flag('+') || f.fs.Flag('#') {
f.fs.Write([]byte(vtf.Name))
f.fs.Write(colonBytes)
}
f.format(f.unpackValue(v.Field(i)))
}
}
f.depth--
f.fs.Write(closeBraceBytes)
case reflect.Uintptr:
printHexPtr(f.fs, uintptr(v.Uint()))
case reflect.UnsafePointer, reflect.Chan, reflect.Func:
printHexPtr(f.fs, v.Pointer())
// There were not any other types at the time this code was written, but
// fall back to letting the default fmt package handle it if any get added.
default:
format := f.buildDefaultFormat()
if v.CanInterface() {
fmt.Fprintf(f.fs, format, v.Interface())
} else {
fmt.Fprintf(f.fs, format, v.String())
}
}
}
// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
// details.
func (f *formatState) Format(fs fmt.State, verb rune) {
f.fs = fs
// Use standard formatting for verbs that are not v.
if verb != 'v' {
format := f.constructOrigFormat(verb)
fmt.Fprintf(fs, format, f.value)
return
}
if f.value == nil {
if fs.Flag('#') {
fs.Write(interfaceBytes)
}
fs.Write(nilAngleBytes)
return
}
f.format(reflect.ValueOf(f.value))
}
// newFormatter is a helper function to consolidate the logic from the various
// public methods which take varying config states.
func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
fs := &formatState{value: v, cs: cs}
fs.pointers = make(map[uintptr]int)
return fs
}
/*
NewFormatter returns a custom formatter that satisfies the fmt.Formatter
interface. As a result, it integrates cleanly with standard fmt package
printing functions. The formatter is useful for inline printing of smaller data
types similar to the standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Typically this function shouldn't be called directly. It is much easier to make
use of the custom formatter by calling one of the convenience functions such as
Printf, Println, or Fprintf.
*/
func NewFormatter(v interface{}) fmt.Formatter {
return newFormatter(&Config, v)
}

148
vendor/github.com/davecgh/go-spew/spew/spew.go сгенерированный поставляемый
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@ -1,148 +0,0 @@
/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"fmt"
"io"
)
// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the formatted string as a value that satisfies error. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Errorf(format string, a ...interface{}) (err error) {
return fmt.Errorf(format, convertArgs(a)...)
}
// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprint(w, convertArgs(a)...)
}
// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
return fmt.Fprintf(w, format, convertArgs(a)...)
}
// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
// passed with a default Formatter interface returned by NewFormatter. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprintln(w, convertArgs(a)...)
}
// Print is a wrapper for fmt.Print that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
func Print(a ...interface{}) (n int, err error) {
return fmt.Print(convertArgs(a)...)
}
// Printf is a wrapper for fmt.Printf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Printf(format string, a ...interface{}) (n int, err error) {
return fmt.Printf(format, convertArgs(a)...)
}
// Println is a wrapper for fmt.Println that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
func Println(a ...interface{}) (n int, err error) {
return fmt.Println(convertArgs(a)...)
}
// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
func Sprint(a ...interface{}) string {
return fmt.Sprint(convertArgs(a)...)
}
// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Sprintf(format string, a ...interface{}) string {
return fmt.Sprintf(format, convertArgs(a)...)
}
// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
// were passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
func Sprintln(a ...interface{}) string {
return fmt.Sprintln(convertArgs(a)...)
}
// convertArgs accepts a slice of arguments and returns a slice of the same
// length with each argument converted to a default spew Formatter interface.
func convertArgs(args []interface{}) (formatters []interface{}) {
formatters = make([]interface{}, len(args))
for index, arg := range args {
formatters[index] = NewFormatter(arg)
}
return formatters
}

22
vendor/github.com/go-kit/kit/LICENSE сгенерированный поставляемый
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The MIT License (MIT)
Copyright (c) 2015 Peter Bourgon
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

148
vendor/github.com/go-kit/kit/log/README.md сгенерированный поставляемый
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# package log
`package log` provides a minimal interface for structured logging in services.
It may be wrapped to encode conventions, enforce type-safety, provide leveled logging, and so on.
It can be used for both typical application log events, and log-structured data streams.
## Structured logging
Structured logging is, basically, conceding to the reality that logs are _data_,
and warrant some level of schematic rigor.
Using a stricter, key/value-oriented message format for our logs,
containing contextual and semantic information,
makes it much easier to get insight into the operational activity of the systems we build.
Consequently, `package log` is of the strong belief that
"[the benefits of structured logging outweigh the minimal effort involved](https://www.thoughtworks.com/radar/techniques/structured-logging)".
Migrating from unstructured to structured logging is probably a lot easier than you'd expect.
```go
// Unstructured
log.Printf("HTTP server listening on %s", addr)
// Structured
logger.Log("transport", "HTTP", "addr", addr, "msg", "listening")
```
## Usage
### Typical application logging
```go
w := log.NewSyncWriter(os.Stderr)
logger := log.NewLogfmtLogger(w)
logger.Log("question", "what is the meaning of life?", "answer", 42)
// Output:
// question="what is the meaning of life?" answer=42
```
### Log contexts
```go
func main() {
var logger log.Logger
logger = log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
logger = log.NewContext(logger).With("instance_id", 123)
logger.Log("msg", "starting")
NewWorker(log.NewContext(logger).With("component", "worker")).Run()
NewSlacker(log.NewContext(logger).With("component", "slacker")).Run()
}
// Output:
// instance_id=123 msg=starting
// instance_id=123 component=worker msg=running
// instance_id=123 component=slacker msg=running
```
### Interact with stdlib logger
Redirect stdlib logger to Go kit logger.
```go
import (
"os"
stdlog "log"
kitlog "github.com/go-kit/kit/log"
)
func main() {
logger := kitlog.NewJSONLogger(log.NewSyncWriter(os.Stdout))
stdlog.SetOutput(kitlog.NewStdlibAdapter(logger))
stdlog.Print("I sure like pie")
}
// Output:
// {"msg":"I sure like pie","ts":"2016/01/01 12:34:56"}
```
Or, if, for legacy reasons,
you need to pipe all of your logging through the stdlib log package,
you can redirect Go kit logger to the stdlib logger.
```go
logger := kitlog.NewLogfmtLogger(kitlog.StdlibWriter{})
logger.Log("legacy", true, "msg", "at least it's something")
// Output:
// 2016/01/01 12:34:56 legacy=true msg="at least it's something"
```
### Timestamps and callers
```go
var logger log.Logger
logger = log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
logger = log.NewContext(logger).With("ts", log.DefaultTimestampUTC, "caller", log.DefaultCaller)
logger.Log("msg", "hello")
// Output:
// ts=2016-01-01T12:34:56Z caller=main.go:15 msg=hello
```
## Supported output formats
- [Logfmt](https://brandur.org/logfmt)
- JSON
## Enhancements
`package log` is centered on the one-method Logger interface.
```go
type Logger interface {
Log(keyvals ...interface{}) error
}
```
This interface, and its supporting code like [log.Context](https://godoc.org/github.com/go-kit/kit/log#Context),
is the product of much iteration and evaluation.
For more details on the evolution of the Logger interface,
see [The Hunt for a Logger Interface](http://go-talks.appspot.com/github.com/ChrisHines/talks/structured-logging/structured-logging.slide#1),
a talk by [Chris Hines](https://github.com/ChrisHines).
Also, please see
[#63](https://github.com/go-kit/kit/issues/63),
[#76](https://github.com/go-kit/kit/pull/76),
[#131](https://github.com/go-kit/kit/issues/131),
[#157](https://github.com/go-kit/kit/pull/157),
[#164](https://github.com/go-kit/kit/issues/164), and
[#252](https://github.com/go-kit/kit/pull/252)
to review historical conversations about package log and the Logger interface.
Value-add packages and suggestions,
like improvements to [the leveled logger](https://godoc.org/github.com/go-kit/kit/log/levels),
are of course welcome.
Good proposals should
- Be composable with [log.Context](https://godoc.org/github.com/go-kit/kit/log#Context),
- Not break the behavior of [log.Caller](https://godoc.org/github.com/go-kit/kit/log#Caller) in any wrapped context, and
- Be friendly to packages that accept only an unadorned log.Logger.
## Benchmarks & comparisons
There are a few Go logging benchmarks and comparisons that include Go kit's package log.
- [imkira/go-loggers-bench](https://github.com/imkira/go-loggers-bench) includes kit/log
- [uber-common/zap](https://github.com/uber-common/zap), a zero-alloc logging library, includes a comparison with kit/log

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// Package log provides a structured logger.
//
// Structured logging produces logs easily consumed later by humans or
// machines. Humans might be interested in debugging errors, or tracing
// specific requests. Machines might be interested in counting interesting
// events, or aggregating information for off-line processing. In both cases,
// it is important that the log messages are structured and actionable.
// Package log is designed to encourage both of these best practices.
//
// Basic Usage
//
// The fundamental interface is Logger. Loggers create log events from
// key/value data. The Logger interface has a single method, Log, which
// accepts a sequence of alternating key/value pairs, which this package names
// keyvals.
//
// type Logger interface {
// Log(keyvals ...interface{}) error
// }
//
// Here is an example of a function using a Logger to create log events.
//
// func RunTask(task Task, logger log.Logger) string {
// logger.Log("taskID", task.ID, "event", "starting task")
// ...
// logger.Log("taskID", task.ID, "event", "task complete")
// }
//
// The keys in the above example are "taskID" and "event". The values are
// task.ID, "starting task", and "task complete". Every key is followed
// immediately by its value.
//
// Keys are usually plain strings. Values may be any type that has a sensible
// encoding in the chosen log format. With structured logging it is a good
// idea to log simple values without formatting them. This practice allows
// the chosen logger to encode values in the most appropriate way.
//
// Log Context
//
// A log context stores keyvals that it includes in all log events. Building
// appropriate log contexts reduces repetition and aids consistency in the
// resulting log output. We can use a context to improve the RunTask example.
//
// func RunTask(task Task, logger log.Logger) string {
// logger = log.NewContext(logger).With("taskID", task.ID)
// logger.Log("event", "starting task")
// ...
// taskHelper(task.Cmd, logger)
// ...
// logger.Log("event", "task complete")
// }
//
// The improved version emits the same log events as the original for the
// first and last calls to Log. The call to taskHelper highlights that a
// context may be passed as a logger to other functions. Each log event
// created by the called function will include the task.ID even though the
// function does not have access to that value. Using log contexts this way
// simplifies producing log output that enables tracing the life cycle of
// individual tasks. (See the Context example for the full code of the
// above snippet.)
//
// Dynamic Context Values
//
// A Valuer function stored in a log context generates a new value each time
// the context logs an event. The Valuer example demonstrates how this
// feature works.
//
// Valuers provide the basis for consistently logging timestamps and source
// code location. The log package defines several valuers for that purpose.
// See Timestamp, DefaultTimestamp, DefaultTimestampUTC, Caller, and
// DefaultCaller. A common logger initialization sequence that ensures all log
// entries contain a timestamp and source location looks like this:
//
// logger := log.NewLogfmtLogger(log.SyncWriter(os.Stdout))
// logger = log.NewContext(logger).With("ts", log.DefaultTimestampUTC, "caller", log.DefaultCaller)
//
// Concurrent Safety
//
// Applications with multiple goroutines want each log event written to the
// same logger to remain separate from other log events. Package log provides
// two simple solutions for concurrent safe logging.
//
// NewSyncWriter wraps an io.Writer and serializes each call to its Write
// method. Using a SyncWriter has the benefit that the smallest practical
// portion of the logging logic is performed within a mutex, but it requires
// the formatting Logger to make only one call to Write per log event.
//
// NewSyncLogger wraps any Logger and serializes each call to its Log method.
// Using a SyncLogger has the benefit that it guarantees each log event is
// handled atomically within the wrapped logger, but it typically serializes
// both the formatting and output logic. Use a SyncLogger if the formatting
// logger may perform multiple writes per log event.
package log

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package log
import (
"encoding"
"encoding/json"
"fmt"
"io"
"reflect"
)
type jsonLogger struct {
io.Writer
}
// NewJSONLogger returns a Logger that encodes keyvals to the Writer as a
// single JSON object. Each log event produces no more than one call to
// w.Write. The passed Writer must be safe for concurrent use by multiple
// goroutines if the returned Logger will be used concurrently.
func NewJSONLogger(w io.Writer) Logger {
return &jsonLogger{w}
}
func (l *jsonLogger) Log(keyvals ...interface{}) error {
n := (len(keyvals) + 1) / 2 // +1 to handle case when len is odd
m := make(map[string]interface{}, n)
for i := 0; i < len(keyvals); i += 2 {
k := keyvals[i]
var v interface{} = ErrMissingValue
if i+1 < len(keyvals) {
v = keyvals[i+1]
}
merge(m, k, v)
}
return json.NewEncoder(l.Writer).Encode(m)
}
func merge(dst map[string]interface{}, k, v interface{}) {
var key string
switch x := k.(type) {
case string:
key = x
case fmt.Stringer:
key = safeString(x)
default:
key = fmt.Sprint(x)
}
if x, ok := v.(error); ok {
v = safeError(x)
}
// We want json.Marshaler and encoding.TextMarshaller to take priority over
// err.Error() and v.String(). But json.Marshall (called later) does that by
// default so we force a no-op if it's one of those 2 case.
switch x := v.(type) {
case json.Marshaler:
case encoding.TextMarshaler:
case error:
v = safeError(x)
case fmt.Stringer:
v = safeString(x)
}
dst[key] = v
}
func safeString(str fmt.Stringer) (s string) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s = "NULL"
} else {
panic(panicVal)
}
}
}()
s = str.String()
return
}
func safeError(err error) (s interface{}) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(err); v.Kind() == reflect.Ptr && v.IsNil() {
s = nil
} else {
panic(panicVal)
}
}
}()
s = err.Error()
return
}

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package log
import "errors"
// Logger is the fundamental interface for all log operations. Log creates a
// log event from keyvals, a variadic sequence of alternating keys and values.
// Implementations must be safe for concurrent use by multiple goroutines. In
// particular, any implementation of Logger that appends to keyvals or
// modifies any of its elements must make a copy first.
type Logger interface {
Log(keyvals ...interface{}) error
}
// ErrMissingValue is appended to keyvals slices with odd length to substitute
// the missing value.
var ErrMissingValue = errors.New("(MISSING)")
// NewContext returns a new Context that logs to logger.
func NewContext(logger Logger) *Context {
if c, ok := logger.(*Context); ok {
return c
}
return &Context{logger: logger}
}
// Context must always have the same number of stack frames between calls to
// its Log method and the eventual binding of Valuers to their value. This
// requirement comes from the functional requirement to allow a context to
// resolve application call site information for a log.Caller stored in the
// context. To do this we must be able to predict the number of logging
// functions on the stack when bindValues is called.
//
// Three implementation details provide the needed stack depth consistency.
// The first two of these details also result in better amortized performance,
// and thus make sense even without the requirements regarding stack depth.
// The third detail, however, is subtle and tied to the implementation of the
// Go compiler.
//
// 1. NewContext avoids introducing an additional layer when asked to
// wrap another Context.
// 2. With avoids introducing an additional layer by returning a newly
// constructed Context with a merged keyvals rather than simply
// wrapping the existing Context.
// 3. All of Context's methods take pointer receivers even though they
// do not mutate the Context.
//
// Before explaining the last detail, first some background. The Go compiler
// generates wrapper methods to implement the auto dereferencing behavior when
// calling a value method through a pointer variable. These wrapper methods
// are also used when calling a value method through an interface variable
// because interfaces store a pointer to the underlying concrete value.
// Calling a pointer receiver through an interface does not require generating
// an additional function.
//
// If Context had value methods then calling Context.Log through a variable
// with type Logger would have an extra stack frame compared to calling
// Context.Log through a variable with type Context. Using pointer receivers
// avoids this problem.
// A Context wraps a Logger and holds keyvals that it includes in all log
// events. When logging, a Context replaces all value elements (odd indexes)
// containing a Valuer with their generated value for each call to its Log
// method.
type Context struct {
logger Logger
keyvals []interface{}
hasValuer bool
}
// Log replaces all value elements (odd indexes) containing a Valuer in the
// stored context with their generated value, appends keyvals, and passes the
// result to the wrapped Logger.
func (l *Context) Log(keyvals ...interface{}) error {
kvs := append(l.keyvals, keyvals...)
if len(kvs)%2 != 0 {
kvs = append(kvs, ErrMissingValue)
}
if l.hasValuer {
// If no keyvals were appended above then we must copy l.keyvals so
// that future log events will reevaluate the stored Valuers.
if len(keyvals) == 0 {
kvs = append([]interface{}{}, l.keyvals...)
}
bindValues(kvs[:len(l.keyvals)])
}
return l.logger.Log(kvs...)
}
// With returns a new Context with keyvals appended to those of the receiver.
func (l *Context) With(keyvals ...interface{}) *Context {
if len(keyvals) == 0 {
return l
}
kvs := append(l.keyvals, keyvals...)
if len(kvs)%2 != 0 {
kvs = append(kvs, ErrMissingValue)
}
return &Context{
logger: l.logger,
// Limiting the capacity of the stored keyvals ensures that a new
// backing array is created if the slice must grow in Log or With.
// Using the extra capacity without copying risks a data race that
// would violate the Logger interface contract.
keyvals: kvs[:len(kvs):len(kvs)],
hasValuer: l.hasValuer || containsValuer(keyvals),
}
}
// WithPrefix returns a new Context with keyvals prepended to those of the
// receiver.
func (l *Context) WithPrefix(keyvals ...interface{}) *Context {
if len(keyvals) == 0 {
return l
}
// Limiting the capacity of the stored keyvals ensures that a new
// backing array is created if the slice must grow in Log or With.
// Using the extra capacity without copying risks a data race that
// would violate the Logger interface contract.
n := len(l.keyvals) + len(keyvals)
if len(keyvals)%2 != 0 {
n++
}
kvs := make([]interface{}, 0, n)
kvs = append(kvs, keyvals...)
if len(kvs)%2 != 0 {
kvs = append(kvs, ErrMissingValue)
}
kvs = append(kvs, l.keyvals...)
return &Context{
logger: l.logger,
keyvals: kvs,
hasValuer: l.hasValuer || containsValuer(keyvals),
}
}
// LoggerFunc is an adapter to allow use of ordinary functions as Loggers. If
// f is a function with the appropriate signature, LoggerFunc(f) is a Logger
// object that calls f.
type LoggerFunc func(...interface{}) error
// Log implements Logger by calling f(keyvals...).
func (f LoggerFunc) Log(keyvals ...interface{}) error {
return f(keyvals...)
}

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package log
import (
"bytes"
"io"
"sync"
"github.com/go-logfmt/logfmt"
)
type logfmtEncoder struct {
*logfmt.Encoder
buf bytes.Buffer
}
func (l *logfmtEncoder) Reset() {
l.Encoder.Reset()
l.buf.Reset()
}
var logfmtEncoderPool = sync.Pool{
New: func() interface{} {
var enc logfmtEncoder
enc.Encoder = logfmt.NewEncoder(&enc.buf)
return &enc
},
}
type logfmtLogger struct {
w io.Writer
}
// NewLogfmtLogger returns a logger that encodes keyvals to the Writer in
// logfmt format. Each log event produces no more than one call to w.Write.
// The passed Writer must be safe for concurrent use by multiple goroutines if
// the returned Logger will be used concurrently.
func NewLogfmtLogger(w io.Writer) Logger {
return &logfmtLogger{w}
}
func (l logfmtLogger) Log(keyvals ...interface{}) error {
enc := logfmtEncoderPool.Get().(*logfmtEncoder)
enc.Reset()
defer logfmtEncoderPool.Put(enc)
if err := enc.EncodeKeyvals(keyvals...); err != nil {
return err
}
// Add newline to the end of the buffer
if err := enc.EndRecord(); err != nil {
return err
}
// The Logger interface requires implementations to be safe for concurrent
// use by multiple goroutines. For this implementation that means making
// only one call to l.w.Write() for each call to Log.
if _, err := l.w.Write(enc.buf.Bytes()); err != nil {
return err
}
return nil
}

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package log
type nopLogger struct{}
// NewNopLogger returns a logger that doesn't do anything.
func NewNopLogger() Logger { return nopLogger{} }
func (nopLogger) Log(...interface{}) error { return nil }

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package log
import (
"io"
"log"
"regexp"
"strings"
)
// StdlibWriter implements io.Writer by invoking the stdlib log.Print. It's
// designed to be passed to a Go kit logger as the writer, for cases where
// it's necessary to redirect all Go kit log output to the stdlib logger.
//
// If you have any choice in the matter, you shouldn't use this. Prefer to
// redirect the stdlib log to the Go kit logger via NewStdlibAdapter.
type StdlibWriter struct{}
// Write implements io.Writer.
func (w StdlibWriter) Write(p []byte) (int, error) {
log.Print(strings.TrimSpace(string(p)))
return len(p), nil
}
// StdlibAdapter wraps a Logger and allows it to be passed to the stdlib
// logger's SetOutput. It will extract date/timestamps, filenames, and
// messages, and place them under relevant keys.
type StdlibAdapter struct {
Logger
timestampKey string
fileKey string
messageKey string
}
// StdlibAdapterOption sets a parameter for the StdlibAdapter.
type StdlibAdapterOption func(*StdlibAdapter)
// TimestampKey sets the key for the timestamp field. By default, it's "ts".
func TimestampKey(key string) StdlibAdapterOption {
return func(a *StdlibAdapter) { a.timestampKey = key }
}
// FileKey sets the key for the file and line field. By default, it's "file".
func FileKey(key string) StdlibAdapterOption {
return func(a *StdlibAdapter) { a.fileKey = key }
}
// MessageKey sets the key for the actual log message. By default, it's "msg".
func MessageKey(key string) StdlibAdapterOption {
return func(a *StdlibAdapter) { a.messageKey = key }
}
// NewStdlibAdapter returns a new StdlibAdapter wrapper around the passed
// logger. It's designed to be passed to log.SetOutput.
func NewStdlibAdapter(logger Logger, options ...StdlibAdapterOption) io.Writer {
a := StdlibAdapter{
Logger: logger,
timestampKey: "ts",
fileKey: "file",
messageKey: "msg",
}
for _, option := range options {
option(&a)
}
return a
}
func (a StdlibAdapter) Write(p []byte) (int, error) {
result := subexps(p)
keyvals := []interface{}{}
var timestamp string
if date, ok := result["date"]; ok && date != "" {
timestamp = date
}
if time, ok := result["time"]; ok && time != "" {
if timestamp != "" {
timestamp += " "
}
timestamp += time
}
if timestamp != "" {
keyvals = append(keyvals, a.timestampKey, timestamp)
}
if file, ok := result["file"]; ok && file != "" {
keyvals = append(keyvals, a.fileKey, file)
}
if msg, ok := result["msg"]; ok {
keyvals = append(keyvals, a.messageKey, msg)
}
if err := a.Logger.Log(keyvals...); err != nil {
return 0, err
}
return len(p), nil
}
const (
logRegexpDate = `(?P<date>[0-9]{4}/[0-9]{2}/[0-9]{2})?[ ]?`
logRegexpTime = `(?P<time>[0-9]{2}:[0-9]{2}:[0-9]{2}(\.[0-9]+)?)?[ ]?`
logRegexpFile = `(?P<file>.+?:[0-9]+)?`
logRegexpMsg = `(: )?(?P<msg>.*)`
)
var (
logRegexp = regexp.MustCompile(logRegexpDate + logRegexpTime + logRegexpFile + logRegexpMsg)
)
func subexps(line []byte) map[string]string {
m := logRegexp.FindSubmatch(line)
if len(m) < len(logRegexp.SubexpNames()) {
return map[string]string{}
}
result := map[string]string{}
for i, name := range logRegexp.SubexpNames() {
result[name] = string(m[i])
}
return result
}

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package log
import (
"io"
"sync"
"sync/atomic"
)
// SwapLogger wraps another logger that may be safely replaced while other
// goroutines use the SwapLogger concurrently. The zero value for a SwapLogger
// will discard all log events without error.
//
// SwapLogger serves well as a package global logger that can be changed by
// importers.
type SwapLogger struct {
logger atomic.Value
}
type loggerStruct struct {
Logger
}
// Log implements the Logger interface by forwarding keyvals to the currently
// wrapped logger. It does not log anything if the wrapped logger is nil.
func (l *SwapLogger) Log(keyvals ...interface{}) error {
s, ok := l.logger.Load().(loggerStruct)
if !ok || s.Logger == nil {
return nil
}
return s.Log(keyvals...)
}
// Swap replaces the currently wrapped logger with logger. Swap may be called
// concurrently with calls to Log from other goroutines.
func (l *SwapLogger) Swap(logger Logger) {
l.logger.Store(loggerStruct{logger})
}
// SyncWriter synchronizes concurrent writes to an io.Writer.
type SyncWriter struct {
mu sync.Mutex
w io.Writer
}
// NewSyncWriter returns a new SyncWriter. The returned writer is safe for
// concurrent use by multiple goroutines.
func NewSyncWriter(w io.Writer) *SyncWriter {
return &SyncWriter{w: w}
}
// Write writes p to the underlying io.Writer. If another write is already in
// progress, the calling goroutine blocks until the SyncWriter is available.
func (w *SyncWriter) Write(p []byte) (n int, err error) {
w.mu.Lock()
n, err = w.w.Write(p)
w.mu.Unlock()
return n, err
}
// syncLogger provides concurrent safe logging for another Logger.
type syncLogger struct {
mu sync.Mutex
logger Logger
}
// NewSyncLogger returns a logger that synchronizes concurrent use of the
// wrapped logger. When multiple goroutines use the SyncLogger concurrently
// only one goroutine will be allowed to log to the wrapped logger at a time.
// The other goroutines will block until the logger is available.
func NewSyncLogger(logger Logger) Logger {
return &syncLogger{logger: logger}
}
// Log logs keyvals to the underlying Logger. If another log is already in
// progress, the calling goroutine blocks until the syncLogger is available.
func (l *syncLogger) Log(keyvals ...interface{}) error {
l.mu.Lock()
err := l.logger.Log(keyvals...)
l.mu.Unlock()
return err
}

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@ -1,62 +0,0 @@
package log
import (
"time"
"github.com/go-stack/stack"
)
// A Valuer generates a log value. When passed to Context.With in a value
// element (odd indexes), it represents a dynamic value which is re-evaluated
// with each log event.
type Valuer func() interface{}
// bindValues replaces all value elements (odd indexes) containing a Valuer
// with their generated value.
func bindValues(keyvals []interface{}) {
for i := 1; i < len(keyvals); i += 2 {
if v, ok := keyvals[i].(Valuer); ok {
keyvals[i] = v()
}
}
}
// containsValuer returns true if any of the value elements (odd indexes)
// contain a Valuer.
func containsValuer(keyvals []interface{}) bool {
for i := 1; i < len(keyvals); i += 2 {
if _, ok := keyvals[i].(Valuer); ok {
return true
}
}
return false
}
// Timestamp returns a Valuer that invokes the underlying function when bound,
// returning a time.Time. Users will probably want to use DefaultTimestamp or
// DefaultTimestampUTC.
func Timestamp(t func() time.Time) Valuer {
return func() interface{} { return t() }
}
var (
// DefaultTimestamp is a Valuer that returns the current wallclock time,
// respecting time zones, when bound.
DefaultTimestamp Valuer = func() interface{} { return time.Now().Format(time.RFC3339) }
// DefaultTimestampUTC is a Valuer that returns the current time in UTC
// when bound.
DefaultTimestampUTC Valuer = func() interface{} { return time.Now().UTC().Format(time.RFC3339) }
)
// Caller returns a Valuer that returns a file and line from a specified depth
// in the callstack. Users will probably want to use DefaultCaller.
func Caller(depth int) Valuer {
return func() interface{} { return stack.Caller(depth) }
}
var (
// DefaultCaller is a Valuer that returns the file and line where the Log
// method was invoked. It can only be used with log.With.
DefaultCaller = Caller(3)
)

4
vendor/github.com/go-logfmt/logfmt/.gitignore сгенерированный поставляемый
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@ -1,4 +0,0 @@
_testdata/
_testdata2/
logfmt-fuzz.zip
logfmt.test.exe

15
vendor/github.com/go-logfmt/logfmt/.travis.yml сгенерированный поставляемый
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@ -1,15 +0,0 @@
language: go
sudo: false
go:
- 1.3
- 1.4
- 1.5
- 1.6
- tip
before_install:
- go get github.com/mattn/goveralls
- go get golang.org/x/tools/cmd/cover
script:
- goveralls -service=travis-ci

22
vendor/github.com/go-logfmt/logfmt/LICENSE сгенерированный поставляемый
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@ -1,22 +0,0 @@
The MIT License (MIT)
Copyright (c) 2015 go-logfmt
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

33
vendor/github.com/go-logfmt/logfmt/README.md сгенерированный поставляемый
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@ -1,33 +0,0 @@
[![GoDoc](https://godoc.org/github.com/go-logfmt/logfmt?status.svg)](https://godoc.org/github.com/go-logfmt/logfmt)
[![Go Report Card](https://goreportcard.com/badge/go-logfmt/logfmt)](https://goreportcard.com/report/go-logfmt/logfmt)
[![TravisCI](https://travis-ci.org/go-logfmt/logfmt.svg?branch=master)](https://travis-ci.org/go-logfmt/logfmt)
[![Coverage Status](https://coveralls.io/repos/github/go-logfmt/logfmt/badge.svg?branch=master)](https://coveralls.io/github/go-logfmt/logfmt?branch=master)
# logfmt
Package logfmt implements utilities to marshal and unmarshal data in the [logfmt
format](https://brandur.org/logfmt). It provides an API similar to
[encoding/json](http://golang.org/pkg/encoding/json/) and
[encoding/xml](http://golang.org/pkg/encoding/xml/).
The logfmt format was first documented by Brandur Leach in [this
article](https://brandur.org/logfmt). The format has not been formally
standardized. The most authoritative public specification to date has been the
documentation of a Go Language [package](http://godoc.org/github.com/kr/logfmt)
written by Blake Mizerany and Keith Rarick.
## Goals
This project attempts to conform as closely as possible to the prior art, while
also removing ambiguity where necessary to provide well behaved encoder and
decoder implementations.
## Non-goals
This project does not attempt to formally standardize the logfmt format. In the
event that logfmt is standardized this project would take conforming to the
standard as a goal.
## Versioning
Package logfmt publishes releases via [semver](http://semver.org/) compatible Git tags prefixed with a single 'v'.

222
vendor/github.com/go-logfmt/logfmt/decode.go сгенерированный поставляемый
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@ -1,222 +0,0 @@
package logfmt
import (
"bufio"
"fmt"
"io"
)
// A Decoder reads and decodes logfmt records from an input stream.
type Decoder struct {
pos int
key []byte
value []byte
lineNum int
s *bufio.Scanner
err error
}
// NewDecoder returns a new decoder that reads from r.
//
// The decoder introduces its own buffering and may read data from r beyond
// the logfmt records requested.
func NewDecoder(r io.Reader) *Decoder {
dec := &Decoder{
s: bufio.NewScanner(r),
}
return dec
}
// ScanRecord advances the Decoder to the next record, which can then be
// parsed with the ScanKeyval method. It returns false when decoding stops,
// either by reaching the end of the input or an error. After ScanRecord
// returns false, the Err method will return any error that occurred during
// decoding, except that if it was io.EOF, Err will return nil.
func (dec *Decoder) ScanRecord() bool {
if dec.err != nil {
return false
}
if !dec.s.Scan() {
dec.err = dec.s.Err()
return false
}
dec.lineNum++
dec.pos = 0
return true
}
// ScanKeyval advances the Decoder to the next key/value pair of the current
// record, which can then be retrieved with the Key and Value methods. It
// returns false when decoding stops, either by reaching the end of the
// current record or an error.
func (dec *Decoder) ScanKeyval() bool {
dec.key, dec.value = nil, nil
if dec.err != nil {
return false
}
line := dec.s.Bytes()
// garbage
for p, c := range line[dec.pos:] {
if c > ' ' {
dec.pos += p
goto key
}
}
dec.pos = len(line)
return false
key:
start := dec.pos
for p, c := range line[dec.pos:] {
switch {
case c == '=':
dec.pos += p
if dec.pos > start {
dec.key = line[start:dec.pos]
}
if dec.key == nil {
dec.unexpectedByte(c)
return false
}
goto equal
case c == '"':
dec.pos += p
dec.unexpectedByte(c)
return false
case c <= ' ':
dec.pos += p
if dec.pos > start {
dec.key = line[start:dec.pos]
}
return true
}
}
dec.pos = len(line)
if dec.pos > start {
dec.key = line[start:dec.pos]
}
return true
equal:
dec.pos++
if dec.pos >= len(line) {
return true
}
switch c := line[dec.pos]; {
case c <= ' ':
return true
case c == '"':
goto qvalue
}
// value
start = dec.pos
for p, c := range line[dec.pos:] {
switch {
case c == '=' || c == '"':
dec.pos += p
dec.unexpectedByte(c)
return false
case c <= ' ':
dec.pos += p
if dec.pos > start {
dec.value = line[start:dec.pos]
}
return true
}
}
dec.pos = len(line)
if dec.pos > start {
dec.value = line[start:dec.pos]
}
return true
qvalue:
const (
untermQuote = "unterminated quoted value"
invalidQuote = "invalid quoted value"
)
hasEsc, esc := false, false
start = dec.pos
for p, c := range line[dec.pos+1:] {
switch {
case esc:
esc = false
case c == '\\':
hasEsc, esc = true, true
case c == '"':
dec.pos += p + 2
if hasEsc {
v, ok := unquoteBytes(line[start:dec.pos])
if !ok {
dec.syntaxError(invalidQuote)
return false
}
dec.value = v
} else {
start++
end := dec.pos - 1
if end > start {
dec.value = line[start:end]
}
}
return true
}
}
dec.pos = len(line)
dec.syntaxError(untermQuote)
return false
}
// Key returns the most recent key found by a call to ScanKeyval. The returned
// slice may point to internal buffers and is only valid until the next call
// to ScanRecord. It does no allocation.
func (dec *Decoder) Key() []byte {
return dec.key
}
// Value returns the most recent value found by a call to ScanKeyval. The
// returned slice may point to internal buffers and is only valid until the
// next call to ScanRecord. It does no allocation when the value has no
// escape sequences.
func (dec *Decoder) Value() []byte {
return dec.value
}
// func (dec *Decoder) DecodeValue() ([]byte, error) {
// }
// Err returns the first non-EOF error that was encountered by the Scanner.
func (dec *Decoder) Err() error {
return dec.err
}
func (dec *Decoder) syntaxError(msg string) {
dec.err = &SyntaxError{
Msg: msg,
Line: dec.lineNum,
Pos: dec.pos + 1,
}
}
func (dec *Decoder) unexpectedByte(c byte) {
dec.err = &SyntaxError{
Msg: fmt.Sprintf("unexpected %q", c),
Line: dec.lineNum,
Pos: dec.pos + 1,
}
}
// A SyntaxError represents a syntax error in the logfmt input stream.
type SyntaxError struct {
Msg string
Line int
Pos int
}
func (e *SyntaxError) Error() string {
return fmt.Sprintf("logfmt syntax error at pos %d on line %d: %s", e.Pos, e.Line, e.Msg)
}

6
vendor/github.com/go-logfmt/logfmt/doc.go сгенерированный поставляемый
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@ -1,6 +0,0 @@
// Package logfmt implements utilities to marshal and unmarshal data in the
// logfmt format. The logfmt format records key/value pairs in a way that
// balances readability for humans and simplicity of computer parsing. It is
// most commonly used as a more human friendly alternative to JSON for
// structured logging.
package logfmt

312
vendor/github.com/go-logfmt/logfmt/encode.go сгенерированный поставляемый
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@ -1,312 +0,0 @@
package logfmt
import (
"bytes"
"encoding"
"errors"
"fmt"
"io"
"reflect"
"strings"
)
// MarshalKeyvals returns the logfmt encoding of keyvals, a variadic sequence
// of alternating keys and values.
func MarshalKeyvals(keyvals ...interface{}) ([]byte, error) {
buf := &bytes.Buffer{}
if err := NewEncoder(buf).EncodeKeyvals(keyvals...); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// An Encoder writes logfmt data to an output stream.
type Encoder struct {
w io.Writer
scratch bytes.Buffer
needSep bool
}
// NewEncoder returns a new encoder that writes to w.
func NewEncoder(w io.Writer) *Encoder {
return &Encoder{
w: w,
}
}
var (
space = []byte(" ")
equals = []byte("=")
newline = []byte("\n")
null = []byte("null")
)
// EncodeKeyval writes the logfmt encoding of key and value to the stream. A
// single space is written before the second and subsequent keys in a record.
// Nothing is written if a non-nil error is returned.
func (enc *Encoder) EncodeKeyval(key, value interface{}) error {
enc.scratch.Reset()
if enc.needSep {
if _, err := enc.scratch.Write(space); err != nil {
return err
}
}
if err := writeKey(&enc.scratch, key); err != nil {
return err
}
if _, err := enc.scratch.Write(equals); err != nil {
return err
}
if err := writeValue(&enc.scratch, value); err != nil {
return err
}
_, err := enc.w.Write(enc.scratch.Bytes())
enc.needSep = true
return err
}
// EncodeKeyvals writes the logfmt encoding of keyvals to the stream. Keyvals
// is a variadic sequence of alternating keys and values. Keys of unsupported
// type are skipped along with their corresponding value. Values of
// unsupported type or that cause a MarshalerError are replaced by their error
// but do not cause EncodeKeyvals to return an error. If a non-nil error is
// returned some key/value pairs may not have be written.
func (enc *Encoder) EncodeKeyvals(keyvals ...interface{}) error {
if len(keyvals) == 0 {
return nil
}
if len(keyvals)%2 == 1 {
keyvals = append(keyvals, nil)
}
for i := 0; i < len(keyvals); i += 2 {
k, v := keyvals[i], keyvals[i+1]
err := enc.EncodeKeyval(k, v)
if err == ErrUnsupportedKeyType {
continue
}
if _, ok := err.(*MarshalerError); ok || err == ErrUnsupportedValueType {
v = err
err = enc.EncodeKeyval(k, v)
}
if err != nil {
return err
}
}
return nil
}
// MarshalerError represents an error encountered while marshaling a value.
type MarshalerError struct {
Type reflect.Type
Err error
}
func (e *MarshalerError) Error() string {
return "error marshaling value of type " + e.Type.String() + ": " + e.Err.Error()
}
// ErrNilKey is returned by Marshal functions and Encoder methods if a key is
// a nil interface or pointer value.
var ErrNilKey = errors.New("nil key")
// ErrInvalidKey is returned by Marshal functions and Encoder methods if a key
// contains an invalid character.
var ErrInvalidKey = errors.New("invalid key")
// ErrUnsupportedKeyType is returned by Encoder methods if a key has an
// unsupported type.
var ErrUnsupportedKeyType = errors.New("unsupported key type")
// ErrUnsupportedValueType is returned by Encoder methods if a value has an
// unsupported type.
var ErrUnsupportedValueType = errors.New("unsupported value type")
func writeKey(w io.Writer, key interface{}) error {
if key == nil {
return ErrNilKey
}
switch k := key.(type) {
case string:
return writeStringKey(w, k)
case []byte:
if k == nil {
return ErrNilKey
}
return writeBytesKey(w, k)
case encoding.TextMarshaler:
kb, err := safeMarshal(k)
if err != nil {
return err
}
if kb == nil {
return ErrNilKey
}
return writeBytesKey(w, kb)
case fmt.Stringer:
ks, ok := safeString(k)
if !ok {
return ErrNilKey
}
return writeStringKey(w, ks)
default:
rkey := reflect.ValueOf(key)
switch rkey.Kind() {
case reflect.Array, reflect.Chan, reflect.Func, reflect.Map, reflect.Slice, reflect.Struct:
return ErrUnsupportedKeyType
case reflect.Ptr:
if rkey.IsNil() {
return ErrNilKey
}
return writeKey(w, rkey.Elem().Interface())
}
return writeStringKey(w, fmt.Sprint(k))
}
}
func invalidKeyRune(r rune) bool {
return r <= ' ' || r == '=' || r == '"'
}
func writeStringKey(w io.Writer, key string) error {
if len(key) == 0 || strings.IndexFunc(key, invalidKeyRune) != -1 {
return ErrInvalidKey
}
_, err := io.WriteString(w, key)
return err
}
func writeBytesKey(w io.Writer, key []byte) error {
if len(key) == 0 || bytes.IndexFunc(key, invalidKeyRune) != -1 {
return ErrInvalidKey
}
_, err := w.Write(key)
return err
}
func writeValue(w io.Writer, value interface{}) error {
switch v := value.(type) {
case nil:
return writeBytesValue(w, null)
case string:
return writeStringValue(w, v, true)
case []byte:
return writeBytesValue(w, v)
case encoding.TextMarshaler:
vb, err := safeMarshal(v)
if err != nil {
return err
}
if vb == nil {
vb = null
}
return writeBytesValue(w, vb)
case error:
se, ok := safeError(v)
return writeStringValue(w, se, ok)
case fmt.Stringer:
ss, ok := safeString(v)
return writeStringValue(w, ss, ok)
default:
rvalue := reflect.ValueOf(value)
switch rvalue.Kind() {
case reflect.Array, reflect.Chan, reflect.Func, reflect.Map, reflect.Slice, reflect.Struct:
return ErrUnsupportedValueType
case reflect.Ptr:
if rvalue.IsNil() {
return writeBytesValue(w, null)
}
return writeValue(w, rvalue.Elem().Interface())
}
return writeStringValue(w, fmt.Sprint(v), true)
}
}
func needsQuotedValueRune(r rune) bool {
return r <= ' ' || r == '=' || r == '"'
}
func writeStringValue(w io.Writer, value string, ok bool) error {
var err error
if ok && value == "null" {
_, err = io.WriteString(w, `"null"`)
} else if strings.IndexFunc(value, needsQuotedValueRune) != -1 {
_, err = writeQuotedString(w, value)
} else {
_, err = io.WriteString(w, value)
}
return err
}
func writeBytesValue(w io.Writer, value []byte) error {
var err error
if bytes.IndexFunc(value, needsQuotedValueRune) >= 0 {
_, err = writeQuotedBytes(w, value)
} else {
_, err = w.Write(value)
}
return err
}
// EndRecord writes a newline character to the stream and resets the encoder
// to the beginning of a new record.
func (enc *Encoder) EndRecord() error {
_, err := enc.w.Write(newline)
if err == nil {
enc.needSep = false
}
return err
}
// Reset resets the encoder to the beginning of a new record.
func (enc *Encoder) Reset() {
enc.needSep = false
}
func safeError(err error) (s string, ok bool) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(err); v.Kind() == reflect.Ptr && v.IsNil() {
s, ok = "null", false
} else {
panic(panicVal)
}
}
}()
s, ok = err.Error(), true
return
}
func safeString(str fmt.Stringer) (s string, ok bool) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s, ok = "null", false
} else {
panic(panicVal)
}
}
}()
s, ok = str.String(), true
return
}
func safeMarshal(tm encoding.TextMarshaler) (b []byte, err error) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(tm); v.Kind() == reflect.Ptr && v.IsNil() {
b, err = nil, nil
} else {
panic(panicVal)
}
}
}()
b, err = tm.MarshalText()
if err != nil {
return nil, &MarshalerError{
Type: reflect.TypeOf(tm),
Err: err,
}
}
return
}

125
vendor/github.com/go-logfmt/logfmt/fuzz.go сгенерированный поставляемый
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@ -1,125 +0,0 @@
// +build gofuzz
package logfmt
import (
"bufio"
"bytes"
"fmt"
"io"
"reflect"
kr "github.com/kr/logfmt"
)
func Fuzz(data []byte) int {
parsed, err := parse(data)
if err != nil {
return 0
}
var w1 bytes.Buffer
if err := write(parsed, &w1); err != nil {
panic(err)
}
parsed, err = parse(data)
if err != nil {
panic(err)
}
var w2 bytes.Buffer
if err := write(parsed, &w2); err != nil {
panic(err)
}
if !bytes.Equal(w1.Bytes(), w2.Bytes()) {
panic(fmt.Sprintf("reserialized data does not match:\n%q\n%q\n", w1.Bytes(), w2.Bytes()))
}
return 1
}
func FuzzVsKR(data []byte) int {
parsed, err := parse(data)
parsedKR, errKR := parseKR(data)
// github.com/go-logfmt/logfmt is a stricter parser. It returns errors for
// more inputs than github.com/kr/logfmt. Ignore any inputs that have a
// stict error.
if err != nil {
return 0
}
// Fail if the more forgiving parser finds an error not found by the
// stricter parser.
if errKR != nil {
panic(fmt.Sprintf("unmatched error: %v", errKR))
}
if !reflect.DeepEqual(parsed, parsedKR) {
panic(fmt.Sprintf("parsers disagree:\n%+v\n%+v\n", parsed, parsedKR))
}
return 1
}
type kv struct {
k, v []byte
}
func parse(data []byte) ([][]kv, error) {
var got [][]kv
dec := NewDecoder(bytes.NewReader(data))
for dec.ScanRecord() {
var kvs []kv
for dec.ScanKeyval() {
kvs = append(kvs, kv{dec.Key(), dec.Value()})
}
got = append(got, kvs)
kvs = nil
}
return got, dec.Err()
}
func parseKR(data []byte) ([][]kv, error) {
var (
s = bufio.NewScanner(bytes.NewReader(data))
err error
h saveHandler
got [][]kv
)
for err == nil && s.Scan() {
h.kvs = nil
err = kr.Unmarshal(s.Bytes(), &h)
got = append(got, h.kvs)
}
if err == nil {
err = s.Err()
}
return got, err
}
type saveHandler struct {
kvs []kv
}
func (h *saveHandler) HandleLogfmt(key, val []byte) error {
if len(key) == 0 {
key = nil
}
if len(val) == 0 {
val = nil
}
h.kvs = append(h.kvs, kv{key, val})
return nil
}
func write(recs [][]kv, w io.Writer) error {
enc := NewEncoder(w)
for _, rec := range recs {
for _, f := range rec {
if err := enc.EncodeKeyval(f.k, f.v); err != nil {
return err
}
}
if err := enc.EndRecord(); err != nil {
return err
}
}
return nil
}

277
vendor/github.com/go-logfmt/logfmt/jsonstring.go сгенерированный поставляемый
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@ -1,277 +0,0 @@
package logfmt
import (
"bytes"
"io"
"strconv"
"sync"
"unicode"
"unicode/utf16"
"unicode/utf8"
)
// Taken from Go's encoding/json and modified for use here.
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
var hex = "0123456789abcdef"
var bufferPool = sync.Pool{
New: func() interface{} {
return &bytes.Buffer{}
},
}
func getBuffer() *bytes.Buffer {
return bufferPool.Get().(*bytes.Buffer)
}
func poolBuffer(buf *bytes.Buffer) {
buf.Reset()
bufferPool.Put(buf)
}
// NOTE: keep in sync with writeQuotedBytes below.
func writeQuotedString(w io.Writer, s string) (int, error) {
buf := getBuffer()
buf.WriteByte('"')
start := 0
for i := 0; i < len(s); {
if b := s[i]; b < utf8.RuneSelf {
if 0x20 <= b && b != '\\' && b != '"' {
i++
continue
}
if start < i {
buf.WriteString(s[start:i])
}
switch b {
case '\\', '"':
buf.WriteByte('\\')
buf.WriteByte(b)
case '\n':
buf.WriteByte('\\')
buf.WriteByte('n')
case '\r':
buf.WriteByte('\\')
buf.WriteByte('r')
case '\t':
buf.WriteByte('\\')
buf.WriteByte('t')
default:
// This encodes bytes < 0x20 except for \n, \r, and \t.
buf.WriteString(`\u00`)
buf.WriteByte(hex[b>>4])
buf.WriteByte(hex[b&0xF])
}
i++
start = i
continue
}
c, size := utf8.DecodeRuneInString(s[i:])
if c == utf8.RuneError && size == 1 {
if start < i {
buf.WriteString(s[start:i])
}
buf.WriteString(`\ufffd`)
i += size
start = i
continue
}
i += size
}
if start < len(s) {
buf.WriteString(s[start:])
}
buf.WriteByte('"')
n, err := w.Write(buf.Bytes())
poolBuffer(buf)
return n, err
}
// NOTE: keep in sync with writeQuoteString above.
func writeQuotedBytes(w io.Writer, s []byte) (int, error) {
buf := getBuffer()
buf.WriteByte('"')
start := 0
for i := 0; i < len(s); {
if b := s[i]; b < utf8.RuneSelf {
if 0x20 <= b && b != '\\' && b != '"' {
i++
continue
}
if start < i {
buf.Write(s[start:i])
}
switch b {
case '\\', '"':
buf.WriteByte('\\')
buf.WriteByte(b)
case '\n':
buf.WriteByte('\\')
buf.WriteByte('n')
case '\r':
buf.WriteByte('\\')
buf.WriteByte('r')
case '\t':
buf.WriteByte('\\')
buf.WriteByte('t')
default:
// This encodes bytes < 0x20 except for \n, \r, and \t.
buf.WriteString(`\u00`)
buf.WriteByte(hex[b>>4])
buf.WriteByte(hex[b&0xF])
}
i++
start = i
continue
}
c, size := utf8.DecodeRune(s[i:])
if c == utf8.RuneError && size == 1 {
if start < i {
buf.Write(s[start:i])
}
buf.WriteString(`\ufffd`)
i += size
start = i
continue
}
i += size
}
if start < len(s) {
buf.Write(s[start:])
}
buf.WriteByte('"')
n, err := w.Write(buf.Bytes())
poolBuffer(buf)
return n, err
}
// getu4 decodes \uXXXX from the beginning of s, returning the hex value,
// or it returns -1.
func getu4(s []byte) rune {
if len(s) < 6 || s[0] != '\\' || s[1] != 'u' {
return -1
}
r, err := strconv.ParseUint(string(s[2:6]), 16, 64)
if err != nil {
return -1
}
return rune(r)
}
func unquoteBytes(s []byte) (t []byte, ok bool) {
if len(s) < 2 || s[0] != '"' || s[len(s)-1] != '"' {
return
}
s = s[1 : len(s)-1]
// Check for unusual characters. If there are none,
// then no unquoting is needed, so return a slice of the
// original bytes.
r := 0
for r < len(s) {
c := s[r]
if c == '\\' || c == '"' || c < ' ' {
break
}
if c < utf8.RuneSelf {
r++
continue
}
rr, size := utf8.DecodeRune(s[r:])
if rr == utf8.RuneError && size == 1 {
break
}
r += size
}
if r == len(s) {
return s, true
}
b := make([]byte, len(s)+2*utf8.UTFMax)
w := copy(b, s[0:r])
for r < len(s) {
// Out of room? Can only happen if s is full of
// malformed UTF-8 and we're replacing each
// byte with RuneError.
if w >= len(b)-2*utf8.UTFMax {
nb := make([]byte, (len(b)+utf8.UTFMax)*2)
copy(nb, b[0:w])
b = nb
}
switch c := s[r]; {
case c == '\\':
r++
if r >= len(s) {
return
}
switch s[r] {
default:
return
case '"', '\\', '/', '\'':
b[w] = s[r]
r++
w++
case 'b':
b[w] = '\b'
r++
w++
case 'f':
b[w] = '\f'
r++
w++
case 'n':
b[w] = '\n'
r++
w++
case 'r':
b[w] = '\r'
r++
w++
case 't':
b[w] = '\t'
r++
w++
case 'u':
r--
rr := getu4(s[r:])
if rr < 0 {
return
}
r += 6
if utf16.IsSurrogate(rr) {
rr1 := getu4(s[r:])
if dec := utf16.DecodeRune(rr, rr1); dec != unicode.ReplacementChar {
// A valid pair; consume.
r += 6
w += utf8.EncodeRune(b[w:], dec)
break
}
// Invalid surrogate; fall back to replacement rune.
rr = unicode.ReplacementChar
}
w += utf8.EncodeRune(b[w:], rr)
}
// Quote, control characters are invalid.
case c == '"', c < ' ':
return
// ASCII
case c < utf8.RuneSelf:
b[w] = c
r++
w++
// Coerce to well-formed UTF-8.
default:
rr, size := utf8.DecodeRune(s[r:])
r += size
w += utf8.EncodeRune(b[w:], rr)
}
}
return b[0:w], true
}

16
vendor/github.com/go-stack/stack/.travis.yml сгенерированный поставляемый
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@ -1,16 +0,0 @@
language: go
sudo: false
go:
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- tip
before_install:
- go get github.com/mattn/goveralls
- go get golang.org/x/tools/cmd/cover
script:
- goveralls -service=travis-ci

13
vendor/github.com/go-stack/stack/LICENSE.md сгенерированный поставляемый
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@ -1,13 +0,0 @@
Copyright 2014 Chris Hines
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

38
vendor/github.com/go-stack/stack/README.md сгенерированный поставляемый
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@ -1,38 +0,0 @@
[![GoDoc](https://godoc.org/github.com/go-stack/stack?status.svg)](https://godoc.org/github.com/go-stack/stack)
[![Go Report Card](https://goreportcard.com/badge/go-stack/stack)](https://goreportcard.com/report/go-stack/stack)
[![TravisCI](https://travis-ci.org/go-stack/stack.svg?branch=master)](https://travis-ci.org/go-stack/stack)
[![Coverage Status](https://coveralls.io/repos/github/go-stack/stack/badge.svg?branch=master)](https://coveralls.io/github/go-stack/stack?branch=master)
# stack
Package stack implements utilities to capture, manipulate, and format call
stacks. It provides a simpler API than package runtime.
The implementation takes care of the minutia and special cases of interpreting
the program counter (pc) values returned by runtime.Callers.
## Versioning
Package stack publishes releases via [semver](http://semver.org/) compatible Git
tags prefixed with a single 'v'. The master branch always contains the latest
release. The develop branch contains unreleased commits.
## Formatting
Package stack's types implement fmt.Formatter, which provides a simple and
flexible way to declaratively configure formatting when used with logging or
error tracking packages.
```go
func DoTheThing() {
c := stack.Caller(0)
log.Print(c) // "source.go:10"
log.Printf("%+v", c) // "pkg/path/source.go:10"
log.Printf("%n", c) // "DoTheThing"
s := stack.Trace().TrimRuntime()
log.Print(s) // "[source.go:15 caller.go:42 main.go:14]"
}
```
See the docs for all of the supported formatting options.

349
vendor/github.com/go-stack/stack/stack.go сгенерированный поставляемый
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@ -1,349 +0,0 @@
// Package stack implements utilities to capture, manipulate, and format call
// stacks. It provides a simpler API than package runtime.
//
// The implementation takes care of the minutia and special cases of
// interpreting the program counter (pc) values returned by runtime.Callers.
//
// Package stack's types implement fmt.Formatter, which provides a simple and
// flexible way to declaratively configure formatting when used with logging
// or error tracking packages.
package stack
import (
"bytes"
"errors"
"fmt"
"io"
"runtime"
"strconv"
"strings"
)
// Call records a single function invocation from a goroutine stack.
type Call struct {
fn *runtime.Func
pc uintptr
}
// Caller returns a Call from the stack of the current goroutine. The argument
// skip is the number of stack frames to ascend, with 0 identifying the
// calling function.
func Caller(skip int) Call {
var pcs [2]uintptr
n := runtime.Callers(skip+1, pcs[:])
var c Call
if n < 2 {
return c
}
c.pc = pcs[1]
if runtime.FuncForPC(pcs[0]) != sigpanic {
c.pc--
}
c.fn = runtime.FuncForPC(c.pc)
return c
}
// String implements fmt.Stinger. It is equivalent to fmt.Sprintf("%v", c).
func (c Call) String() string {
return fmt.Sprint(c)
}
// MarshalText implements encoding.TextMarshaler. It formats the Call the same
// as fmt.Sprintf("%v", c).
func (c Call) MarshalText() ([]byte, error) {
if c.fn == nil {
return nil, ErrNoFunc
}
buf := bytes.Buffer{}
fmt.Fprint(&buf, c)
return buf.Bytes(), nil
}
// ErrNoFunc means that the Call has a nil *runtime.Func. The most likely
// cause is a Call with the zero value.
var ErrNoFunc = errors.New("no call stack information")
// Format implements fmt.Formatter with support for the following verbs.
//
// %s source file
// %d line number
// %n function name
// %v equivalent to %s:%d
//
// It accepts the '+' and '#' flags for most of the verbs as follows.
//
// %+s path of source file relative to the compile time GOPATH
// %#s full path of source file
// %+n import path qualified function name
// %+v equivalent to %+s:%d
// %#v equivalent to %#s:%d
func (c Call) Format(s fmt.State, verb rune) {
if c.fn == nil {
fmt.Fprintf(s, "%%!%c(NOFUNC)", verb)
return
}
switch verb {
case 's', 'v':
file, line := c.fn.FileLine(c.pc)
switch {
case s.Flag('#'):
// done
case s.Flag('+'):
file = file[pkgIndex(file, c.fn.Name()):]
default:
const sep = "/"
if i := strings.LastIndex(file, sep); i != -1 {
file = file[i+len(sep):]
}
}
io.WriteString(s, file)
if verb == 'v' {
buf := [7]byte{':'}
s.Write(strconv.AppendInt(buf[:1], int64(line), 10))
}
case 'd':
_, line := c.fn.FileLine(c.pc)
buf := [6]byte{}
s.Write(strconv.AppendInt(buf[:0], int64(line), 10))
case 'n':
name := c.fn.Name()
if !s.Flag('+') {
const pathSep = "/"
if i := strings.LastIndex(name, pathSep); i != -1 {
name = name[i+len(pathSep):]
}
const pkgSep = "."
if i := strings.Index(name, pkgSep); i != -1 {
name = name[i+len(pkgSep):]
}
}
io.WriteString(s, name)
}
}
// PC returns the program counter for this call frame; multiple frames may
// have the same PC value.
func (c Call) PC() uintptr {
return c.pc
}
// name returns the import path qualified name of the function containing the
// call.
func (c Call) name() string {
if c.fn == nil {
return "???"
}
return c.fn.Name()
}
func (c Call) file() string {
if c.fn == nil {
return "???"
}
file, _ := c.fn.FileLine(c.pc)
return file
}
func (c Call) line() int {
if c.fn == nil {
return 0
}
_, line := c.fn.FileLine(c.pc)
return line
}
// CallStack records a sequence of function invocations from a goroutine
// stack.
type CallStack []Call
// String implements fmt.Stinger. It is equivalent to fmt.Sprintf("%v", cs).
func (cs CallStack) String() string {
return fmt.Sprint(cs)
}
var (
openBracketBytes = []byte("[")
closeBracketBytes = []byte("]")
spaceBytes = []byte(" ")
)
// MarshalText implements encoding.TextMarshaler. It formats the CallStack the
// same as fmt.Sprintf("%v", cs).
func (cs CallStack) MarshalText() ([]byte, error) {
buf := bytes.Buffer{}
buf.Write(openBracketBytes)
for i, pc := range cs {
if pc.fn == nil {
return nil, ErrNoFunc
}
if i > 0 {
buf.Write(spaceBytes)
}
fmt.Fprint(&buf, pc)
}
buf.Write(closeBracketBytes)
return buf.Bytes(), nil
}
// Format implements fmt.Formatter by printing the CallStack as square brackets
// ([, ]) surrounding a space separated list of Calls each formatted with the
// supplied verb and options.
func (cs CallStack) Format(s fmt.State, verb rune) {
s.Write(openBracketBytes)
for i, pc := range cs {
if i > 0 {
s.Write(spaceBytes)
}
pc.Format(s, verb)
}
s.Write(closeBracketBytes)
}
// findSigpanic intentionally executes faulting code to generate a stack trace
// containing an entry for runtime.sigpanic.
func findSigpanic() *runtime.Func {
var fn *runtime.Func
var p *int
func() int {
defer func() {
if p := recover(); p != nil {
var pcs [512]uintptr
n := runtime.Callers(2, pcs[:])
for _, pc := range pcs[:n] {
f := runtime.FuncForPC(pc)
if f.Name() == "runtime.sigpanic" {
fn = f
break
}
}
}
}()
// intentional nil pointer dereference to trigger sigpanic
return *p
}()
return fn
}
var sigpanic = findSigpanic()
// Trace returns a CallStack for the current goroutine with element 0
// identifying the calling function.
func Trace() CallStack {
var pcs [512]uintptr
n := runtime.Callers(2, pcs[:])
cs := make([]Call, n)
for i, pc := range pcs[:n] {
pcFix := pc
if i > 0 && cs[i-1].fn != sigpanic {
pcFix--
}
cs[i] = Call{
fn: runtime.FuncForPC(pcFix),
pc: pcFix,
}
}
return cs
}
// TrimBelow returns a slice of the CallStack with all entries below c
// removed.
func (cs CallStack) TrimBelow(c Call) CallStack {
for len(cs) > 0 && cs[0].pc != c.pc {
cs = cs[1:]
}
return cs
}
// TrimAbove returns a slice of the CallStack with all entries above c
// removed.
func (cs CallStack) TrimAbove(c Call) CallStack {
for len(cs) > 0 && cs[len(cs)-1].pc != c.pc {
cs = cs[:len(cs)-1]
}
return cs
}
// pkgIndex returns the index that results in file[index:] being the path of
// file relative to the compile time GOPATH, and file[:index] being the
// $GOPATH/src/ portion of file. funcName must be the name of a function in
// file as returned by runtime.Func.Name.
func pkgIndex(file, funcName string) int {
// As of Go 1.6.2 there is no direct way to know the compile time GOPATH
// at runtime, but we can infer the number of path segments in the GOPATH.
// We note that runtime.Func.Name() returns the function name qualified by
// the import path, which does not include the GOPATH. Thus we can trim
// segments from the beginning of the file path until the number of path
// separators remaining is one more than the number of path separators in
// the function name. For example, given:
//
// GOPATH /home/user
// file /home/user/src/pkg/sub/file.go
// fn.Name() pkg/sub.Type.Method
//
// We want to produce:
//
// file[:idx] == /home/user/src/
// file[idx:] == pkg/sub/file.go
//
// From this we can easily see that fn.Name() has one less path separator
// than our desired result for file[idx:]. We count separators from the
// end of the file path until it finds two more than in the function name
// and then move one character forward to preserve the initial path
// segment without a leading separator.
const sep = "/"
i := len(file)
for n := strings.Count(funcName, sep) + 2; n > 0; n-- {
i = strings.LastIndex(file[:i], sep)
if i == -1 {
i = -len(sep)
break
}
}
// get back to 0 or trim the leading separator
return i + len(sep)
}
var runtimePath string
func init() {
var pcs [1]uintptr
runtime.Callers(0, pcs[:])
fn := runtime.FuncForPC(pcs[0])
file, _ := fn.FileLine(pcs[0])
idx := pkgIndex(file, fn.Name())
runtimePath = file[:idx]
if runtime.GOOS == "windows" {
runtimePath = strings.ToLower(runtimePath)
}
}
func inGoroot(c Call) bool {
file := c.file()
if len(file) == 0 || file[0] == '?' {
return true
}
if runtime.GOOS == "windows" {
file = strings.ToLower(file)
}
return strings.HasPrefix(file, runtimePath) || strings.HasSuffix(file, "/_testmain.go")
}
// TrimRuntime returns a slice of the CallStack with the topmost entries from
// the go runtime removed. It considers any calls originating from unknown
// files, files under GOROOT, or _testmain.go as part of the runtime.
func (cs CallStack) TrimRuntime() CallStack {
for len(cs) > 0 && inGoroot(cs[len(cs)-1]) {
cs = cs[:len(cs)-1]
}
return cs
}

18
vendor/github.com/gorilla/context/.travis.yml сгенерированный поставляемый
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@ -1,18 +0,0 @@
language: go
sudo: false
matrix:
include:
- go: 1.3
- go: 1.4
- go: 1.5
- go: 1.6
- go: tip
allow_failures:
- go: tip
script:
- go get -t -v ./...
- diff -u <(echo -n) <(gofmt -d .)
- go vet $(go list ./... | grep -v /vendor/)
- go test -v -race ./...

27
vendor/github.com/gorilla/context/LICENSE сгенерированный поставляемый
Просмотреть файл

@ -1,27 +0,0 @@
Copyright (c) 2012 Rodrigo Moraes. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

7
vendor/github.com/gorilla/context/README.md сгенерированный поставляемый
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@ -1,7 +0,0 @@
context
=======
[![Build Status](https://travis-ci.org/gorilla/context.png?branch=master)](https://travis-ci.org/gorilla/context)
gorilla/context is a general purpose registry for global request variables.
Read the full documentation here: http://www.gorillatoolkit.org/pkg/context

143
vendor/github.com/gorilla/context/context.go сгенерированный поставляемый
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@ -1,143 +0,0 @@
// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package context
import (
"net/http"
"sync"
"time"
)
var (
mutex sync.RWMutex
data = make(map[*http.Request]map[interface{}]interface{})
datat = make(map[*http.Request]int64)
)
// Set stores a value for a given key in a given request.
func Set(r *http.Request, key, val interface{}) {
mutex.Lock()
if data[r] == nil {
data[r] = make(map[interface{}]interface{})
datat[r] = time.Now().Unix()
}
data[r][key] = val
mutex.Unlock()
}
// Get returns a value stored for a given key in a given request.
func Get(r *http.Request, key interface{}) interface{} {
mutex.RLock()
if ctx := data[r]; ctx != nil {
value := ctx[key]
mutex.RUnlock()
return value
}
mutex.RUnlock()
return nil
}
// GetOk returns stored value and presence state like multi-value return of map access.
func GetOk(r *http.Request, key interface{}) (interface{}, bool) {
mutex.RLock()
if _, ok := data[r]; ok {
value, ok := data[r][key]
mutex.RUnlock()
return value, ok
}
mutex.RUnlock()
return nil, false
}
// GetAll returns all stored values for the request as a map. Nil is returned for invalid requests.
func GetAll(r *http.Request) map[interface{}]interface{} {
mutex.RLock()
if context, ok := data[r]; ok {
result := make(map[interface{}]interface{}, len(context))
for k, v := range context {
result[k] = v
}
mutex.RUnlock()
return result
}
mutex.RUnlock()
return nil
}
// GetAllOk returns all stored values for the request as a map and a boolean value that indicates if
// the request was registered.
func GetAllOk(r *http.Request) (map[interface{}]interface{}, bool) {
mutex.RLock()
context, ok := data[r]
result := make(map[interface{}]interface{}, len(context))
for k, v := range context {
result[k] = v
}
mutex.RUnlock()
return result, ok
}
// Delete removes a value stored for a given key in a given request.
func Delete(r *http.Request, key interface{}) {
mutex.Lock()
if data[r] != nil {
delete(data[r], key)
}
mutex.Unlock()
}
// Clear removes all values stored for a given request.
//
// This is usually called by a handler wrapper to clean up request
// variables at the end of a request lifetime. See ClearHandler().
func Clear(r *http.Request) {
mutex.Lock()
clear(r)
mutex.Unlock()
}
// clear is Clear without the lock.
func clear(r *http.Request) {
delete(data, r)
delete(datat, r)
}
// Purge removes request data stored for longer than maxAge, in seconds.
// It returns the amount of requests removed.
//
// If maxAge <= 0, all request data is removed.
//
// This is only used for sanity check: in case context cleaning was not
// properly set some request data can be kept forever, consuming an increasing
// amount of memory. In case this is detected, Purge() must be called
// periodically until the problem is fixed.
func Purge(maxAge int) int {
mutex.Lock()
count := 0
if maxAge <= 0 {
count = len(data)
data = make(map[*http.Request]map[interface{}]interface{})
datat = make(map[*http.Request]int64)
} else {
min := time.Now().Unix() - int64(maxAge)
for r := range data {
if datat[r] < min {
clear(r)
count++
}
}
}
mutex.Unlock()
return count
}
// ClearHandler wraps an http.Handler and clears request values at the end
// of a request lifetime.
func ClearHandler(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
defer Clear(r)
h.ServeHTTP(w, r)
})
}

82
vendor/github.com/gorilla/context/doc.go сгенерированный поставляемый
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@ -1,82 +0,0 @@
// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package context stores values shared during a request lifetime.
For example, a router can set variables extracted from the URL and later
application handlers can access those values, or it can be used to store
sessions values to be saved at the end of a request. There are several
others common uses.
The idea was posted by Brad Fitzpatrick to the go-nuts mailing list:
http://groups.google.com/group/golang-nuts/msg/e2d679d303aa5d53
Here's the basic usage: first define the keys that you will need. The key
type is interface{} so a key can be of any type that supports equality.
Here we define a key using a custom int type to avoid name collisions:
package foo
import (
"github.com/gorilla/context"
)
type key int
const MyKey key = 0
Then set a variable. Variables are bound to an http.Request object, so you
need a request instance to set a value:
context.Set(r, MyKey, "bar")
The application can later access the variable using the same key you provided:
func MyHandler(w http.ResponseWriter, r *http.Request) {
// val is "bar".
val := context.Get(r, foo.MyKey)
// returns ("bar", true)
val, ok := context.GetOk(r, foo.MyKey)
// ...
}
And that's all about the basic usage. We discuss some other ideas below.
Any type can be stored in the context. To enforce a given type, make the key
private and wrap Get() and Set() to accept and return values of a specific
type:
type key int
const mykey key = 0
// GetMyKey returns a value for this package from the request values.
func GetMyKey(r *http.Request) SomeType {
if rv := context.Get(r, mykey); rv != nil {
return rv.(SomeType)
}
return nil
}
// SetMyKey sets a value for this package in the request values.
func SetMyKey(r *http.Request, val SomeType) {
context.Set(r, mykey, val)
}
Variables must be cleared at the end of a request, to remove all values
that were stored. This can be done in an http.Handler, after a request was
served. Just call Clear() passing the request:
context.Clear(r)
...or use ClearHandler(), which conveniently wraps an http.Handler to clear
variables at the end of a request lifetime.
The Routers from the packages gorilla/mux and gorilla/pat call Clear()
so if you are using either of them you don't need to clear the context manually.
*/
package context

20
vendor/github.com/gorilla/mux/.travis.yml сгенерированный поставляемый
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@ -1,20 +0,0 @@
language: go
sudo: false
matrix:
include:
- go: 1.2
- go: 1.3
- go: 1.4
- go: 1.5
- go: 1.6
- go: tip
install:
- # Skip
script:
- go get -t -v ./...
- diff -u <(echo -n) <(gofmt -d .)
- go tool vet .
- go test -v -race ./...

27
vendor/github.com/gorilla/mux/LICENSE сгенерированный поставляемый
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@ -1,27 +0,0 @@
Copyright (c) 2012 Rodrigo Moraes. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

242
vendor/github.com/gorilla/mux/README.md сгенерированный поставляемый
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@ -1,242 +0,0 @@
mux
===
[![GoDoc](https://godoc.org/github.com/gorilla/mux?status.svg)](https://godoc.org/github.com/gorilla/mux)
[![Build Status](https://travis-ci.org/gorilla/mux.svg?branch=master)](https://travis-ci.org/gorilla/mux)
http://www.gorillatoolkit.org/pkg/mux
Package `gorilla/mux` implements a request router and dispatcher.
The name mux stands for "HTTP request multiplexer". Like the standard `http.ServeMux`, `mux.Router` matches incoming requests against a list of registered routes and calls a handler for the route that matches the URL or other conditions. The main features are:
* Requests can be matched based on URL host, path, path prefix, schemes, header and query values, HTTP methods or using custom matchers.
* URL hosts and paths can have variables with an optional regular expression.
* Registered URLs can be built, or "reversed", which helps maintaining references to resources.
* Routes can be used as subrouters: nested routes are only tested if the parent route matches. This is useful to define groups of routes that share common conditions like a host, a path prefix or other repeated attributes. As a bonus, this optimizes request matching.
* It implements the `http.Handler` interface so it is compatible with the standard `http.ServeMux`.
Let's start registering a couple of URL paths and handlers:
```go
func main() {
r := mux.NewRouter()
r.HandleFunc("/", HomeHandler)
r.HandleFunc("/products", ProductsHandler)
r.HandleFunc("/articles", ArticlesHandler)
http.Handle("/", r)
}
```
Here we register three routes mapping URL paths to handlers. This is equivalent to how `http.HandleFunc()` works: if an incoming request URL matches one of the paths, the corresponding handler is called passing (`http.ResponseWriter`, `*http.Request`) as parameters.
Paths can have variables. They are defined using the format `{name}` or `{name:pattern}`. If a regular expression pattern is not defined, the matched variable will be anything until the next slash. For example:
```go
r := mux.NewRouter()
r.HandleFunc("/products/{key}", ProductHandler)
r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
```
The names are used to create a map of route variables which can be retrieved calling `mux.Vars()`:
```go
vars := mux.Vars(request)
category := vars["category"]
```
And this is all you need to know about the basic usage. More advanced options are explained below.
Routes can also be restricted to a domain or subdomain. Just define a host pattern to be matched. They can also have variables:
```go
r := mux.NewRouter()
// Only matches if domain is "www.example.com".
r.Host("www.example.com")
// Matches a dynamic subdomain.
r.Host("{subdomain:[a-z]+}.domain.com")
```
There are several other matchers that can be added. To match path prefixes:
```go
r.PathPrefix("/products/")
```
...or HTTP methods:
```go
r.Methods("GET", "POST")
```
...or URL schemes:
```go
r.Schemes("https")
```
...or header values:
```go
r.Headers("X-Requested-With", "XMLHttpRequest")
```
...or query values:
```go
r.Queries("key", "value")
```
...or to use a custom matcher function:
```go
r.MatcherFunc(func(r *http.Request, rm *RouteMatch) bool {
return r.ProtoMajor == 0
})
```
...and finally, it is possible to combine several matchers in a single route:
```go
r.HandleFunc("/products", ProductsHandler).
Host("www.example.com").
Methods("GET").
Schemes("http")
```
Setting the same matching conditions again and again can be boring, so we have a way to group several routes that share the same requirements. We call it "subrouting".
For example, let's say we have several URLs that should only match when the host is `www.example.com`. Create a route for that host and get a "subrouter" from it:
```go
r := mux.NewRouter()
s := r.Host("www.example.com").Subrouter()
```
Then register routes in the subrouter:
```go
s.HandleFunc("/products/", ProductsHandler)
s.HandleFunc("/products/{key}", ProductHandler)
s.HandleFunc("/articles/{category}/{id:[0-9]+}"), ArticleHandler)
```
The three URL paths we registered above will only be tested if the domain is `www.example.com`, because the subrouter is tested first. This is not only convenient, but also optimizes request matching. You can create subrouters combining any attribute matchers accepted by a route.
Subrouters can be used to create domain or path "namespaces": you define subrouters in a central place and then parts of the app can register its paths relatively to a given subrouter.
There's one more thing about subroutes. When a subrouter has a path prefix, the inner routes use it as base for their paths:
```go
r := mux.NewRouter()
s := r.PathPrefix("/products").Subrouter()
// "/products/"
s.HandleFunc("/", ProductsHandler)
// "/products/{key}/"
s.HandleFunc("/{key}/", ProductHandler)
// "/products/{key}/details"
s.HandleFunc("/{key}/details", ProductDetailsHandler)
```
Now let's see how to build registered URLs.
Routes can be named. All routes that define a name can have their URLs built, or "reversed". We define a name calling `Name()` on a route. For example:
```go
r := mux.NewRouter()
r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
Name("article")
```
To build a URL, get the route and call the `URL()` method, passing a sequence of key/value pairs for the route variables. For the previous route, we would do:
```go
url, err := r.Get("article").URL("category", "technology", "id", "42")
```
...and the result will be a `url.URL` with the following path:
```
"/articles/technology/42"
```
This also works for host variables:
```go
r := mux.NewRouter()
r.Host("{subdomain}.domain.com").
Path("/articles/{category}/{id:[0-9]+}").
HandlerFunc(ArticleHandler).
Name("article")
// url.String() will be "http://news.domain.com/articles/technology/42"
url, err := r.Get("article").URL("subdomain", "news",
"category", "technology",
"id", "42")
```
All variables defined in the route are required, and their values must conform to the corresponding patterns. These requirements guarantee that a generated URL will always match a registered route -- the only exception is for explicitly defined "build-only" routes which never match.
Regex support also exists for matching Headers within a route. For example, we could do:
```go
r.HeadersRegexp("Content-Type", "application/(text|json)")
```
...and the route will match both requests with a Content-Type of `application/json` as well as `application/text`
There's also a way to build only the URL host or path for a route: use the methods `URLHost()` or `URLPath()` instead. For the previous route, we would do:
```go
// "http://news.domain.com/"
host, err := r.Get("article").URLHost("subdomain", "news")
// "/articles/technology/42"
path, err := r.Get("article").URLPath("category", "technology", "id", "42")
```
And if you use subrouters, host and path defined separately can be built as well:
```go
r := mux.NewRouter()
s := r.Host("{subdomain}.domain.com").Subrouter()
s.Path("/articles/{category}/{id:[0-9]+}").
HandlerFunc(ArticleHandler).
Name("article")
// "http://news.domain.com/articles/technology/42"
url, err := r.Get("article").URL("subdomain", "news",
"category", "technology",
"id", "42")
```
## Full Example
Here's a complete, runnable example of a small `mux` based server:
```go
package main
import (
"net/http"
"log"
"github.com/gorilla/mux"
)
func YourHandler(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Gorilla!\n"))
}
func main() {
r := mux.NewRouter()
// Routes consist of a path and a handler function.
r.HandleFunc("/", YourHandler)
// Bind to a port and pass our router in
log.Fatal(http.ListenAndServe(":8000", r))
}
```
## License
BSD licensed. See the LICENSE file for details.

26
vendor/github.com/gorilla/mux/context_gorilla.go сгенерированный поставляемый
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@ -1,26 +0,0 @@
// +build !go1.7
package mux
import (
"net/http"
"github.com/gorilla/context"
)
func contextGet(r *http.Request, key interface{}) interface{} {
return context.Get(r, key)
}
func contextSet(r *http.Request, key, val interface{}) *http.Request {
if val == nil {
return r
}
context.Set(r, key, val)
return r
}
func contextClear(r *http.Request) {
context.Clear(r)
}

24
vendor/github.com/gorilla/mux/context_native.go сгенерированный поставляемый
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// +build go1.7
package mux
import (
"context"
"net/http"
)
func contextGet(r *http.Request, key interface{}) interface{} {
return r.Context().Value(key)
}
func contextSet(r *http.Request, key, val interface{}) *http.Request {
if val == nil {
return r
}
return r.WithContext(context.WithValue(r.Context(), key, val))
}
func contextClear(r *http.Request) {
return
}

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// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package mux implements a request router and dispatcher.
The name mux stands for "HTTP request multiplexer". Like the standard
http.ServeMux, mux.Router matches incoming requests against a list of
registered routes and calls a handler for the route that matches the URL
or other conditions. The main features are:
* Requests can be matched based on URL host, path, path prefix, schemes,
header and query values, HTTP methods or using custom matchers.
* URL hosts and paths can have variables with an optional regular
expression.
* Registered URLs can be built, or "reversed", which helps maintaining
references to resources.
* Routes can be used as subrouters: nested routes are only tested if the
parent route matches. This is useful to define groups of routes that
share common conditions like a host, a path prefix or other repeated
attributes. As a bonus, this optimizes request matching.
* It implements the http.Handler interface so it is compatible with the
standard http.ServeMux.
Let's start registering a couple of URL paths and handlers:
func main() {
r := mux.NewRouter()
r.HandleFunc("/", HomeHandler)
r.HandleFunc("/products", ProductsHandler)
r.HandleFunc("/articles", ArticlesHandler)
http.Handle("/", r)
}
Here we register three routes mapping URL paths to handlers. This is
equivalent to how http.HandleFunc() works: if an incoming request URL matches
one of the paths, the corresponding handler is called passing
(http.ResponseWriter, *http.Request) as parameters.
Paths can have variables. They are defined using the format {name} or
{name:pattern}. If a regular expression pattern is not defined, the matched
variable will be anything until the next slash. For example:
r := mux.NewRouter()
r.HandleFunc("/products/{key}", ProductHandler)
r.HandleFunc("/articles/{category}/", ArticlesCategoryHandler)
r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
The names are used to create a map of route variables which can be retrieved
calling mux.Vars():
vars := mux.Vars(request)
category := vars["category"]
And this is all you need to know about the basic usage. More advanced options
are explained below.
Routes can also be restricted to a domain or subdomain. Just define a host
pattern to be matched. They can also have variables:
r := mux.NewRouter()
// Only matches if domain is "www.example.com".
r.Host("www.example.com")
// Matches a dynamic subdomain.
r.Host("{subdomain:[a-z]+}.domain.com")
There are several other matchers that can be added. To match path prefixes:
r.PathPrefix("/products/")
...or HTTP methods:
r.Methods("GET", "POST")
...or URL schemes:
r.Schemes("https")
...or header values:
r.Headers("X-Requested-With", "XMLHttpRequest")
...or query values:
r.Queries("key", "value")
...or to use a custom matcher function:
r.MatcherFunc(func(r *http.Request, rm *RouteMatch) bool {
return r.ProtoMajor == 0
})
...and finally, it is possible to combine several matchers in a single route:
r.HandleFunc("/products", ProductsHandler).
Host("www.example.com").
Methods("GET").
Schemes("http")
Setting the same matching conditions again and again can be boring, so we have
a way to group several routes that share the same requirements.
We call it "subrouting".
For example, let's say we have several URLs that should only match when the
host is "www.example.com". Create a route for that host and get a "subrouter"
from it:
r := mux.NewRouter()
s := r.Host("www.example.com").Subrouter()
Then register routes in the subrouter:
s.HandleFunc("/products/", ProductsHandler)
s.HandleFunc("/products/{key}", ProductHandler)
s.HandleFunc("/articles/{category}/{id:[0-9]+}"), ArticleHandler)
The three URL paths we registered above will only be tested if the domain is
"www.example.com", because the subrouter is tested first. This is not
only convenient, but also optimizes request matching. You can create
subrouters combining any attribute matchers accepted by a route.
Subrouters can be used to create domain or path "namespaces": you define
subrouters in a central place and then parts of the app can register its
paths relatively to a given subrouter.
There's one more thing about subroutes. When a subrouter has a path prefix,
the inner routes use it as base for their paths:
r := mux.NewRouter()
s := r.PathPrefix("/products").Subrouter()
// "/products/"
s.HandleFunc("/", ProductsHandler)
// "/products/{key}/"
s.HandleFunc("/{key}/", ProductHandler)
// "/products/{key}/details"
s.HandleFunc("/{key}/details", ProductDetailsHandler)
Now let's see how to build registered URLs.
Routes can be named. All routes that define a name can have their URLs built,
or "reversed". We define a name calling Name() on a route. For example:
r := mux.NewRouter()
r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
Name("article")
To build a URL, get the route and call the URL() method, passing a sequence of
key/value pairs for the route variables. For the previous route, we would do:
url, err := r.Get("article").URL("category", "technology", "id", "42")
...and the result will be a url.URL with the following path:
"/articles/technology/42"
This also works for host variables:
r := mux.NewRouter()
r.Host("{subdomain}.domain.com").
Path("/articles/{category}/{id:[0-9]+}").
HandlerFunc(ArticleHandler).
Name("article")
// url.String() will be "http://news.domain.com/articles/technology/42"
url, err := r.Get("article").URL("subdomain", "news",
"category", "technology",
"id", "42")
All variables defined in the route are required, and their values must
conform to the corresponding patterns. These requirements guarantee that a
generated URL will always match a registered route -- the only exception is
for explicitly defined "build-only" routes which never match.
Regex support also exists for matching Headers within a route. For example, we could do:
r.HeadersRegexp("Content-Type", "application/(text|json)")
...and the route will match both requests with a Content-Type of `application/json` as well as
`application/text`
There's also a way to build only the URL host or path for a route:
use the methods URLHost() or URLPath() instead. For the previous route,
we would do:
// "http://news.domain.com/"
host, err := r.Get("article").URLHost("subdomain", "news")
// "/articles/technology/42"
path, err := r.Get("article").URLPath("category", "technology", "id", "42")
And if you use subrouters, host and path defined separately can be built
as well:
r := mux.NewRouter()
s := r.Host("{subdomain}.domain.com").Subrouter()
s.Path("/articles/{category}/{id:[0-9]+}").
HandlerFunc(ArticleHandler).
Name("article")
// "http://news.domain.com/articles/technology/42"
url, err := r.Get("article").URL("subdomain", "news",
"category", "technology",
"id", "42")
*/
package mux

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@ -1,495 +0,0 @@
// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mux
import (
"errors"
"fmt"
"net/http"
"path"
"regexp"
)
// NewRouter returns a new router instance.
func NewRouter() *Router {
return &Router{namedRoutes: make(map[string]*Route), KeepContext: false}
}
// Router registers routes to be matched and dispatches a handler.
//
// It implements the http.Handler interface, so it can be registered to serve
// requests:
//
// var router = mux.NewRouter()
//
// func main() {
// http.Handle("/", router)
// }
//
// Or, for Google App Engine, register it in a init() function:
//
// func init() {
// http.Handle("/", router)
// }
//
// This will send all incoming requests to the router.
type Router struct {
// Configurable Handler to be used when no route matches.
NotFoundHandler http.Handler
// Parent route, if this is a subrouter.
parent parentRoute
// Routes to be matched, in order.
routes []*Route
// Routes by name for URL building.
namedRoutes map[string]*Route
// See Router.StrictSlash(). This defines the flag for new routes.
strictSlash bool
// See Router.SkipClean(). This defines the flag for new routes.
skipClean bool
// If true, do not clear the request context after handling the request.
// This has no effect when go1.7+ is used, since the context is stored
// on the request itself.
KeepContext bool
}
// Match matches registered routes against the request.
func (r *Router) Match(req *http.Request, match *RouteMatch) bool {
for _, route := range r.routes {
if route.Match(req, match) {
return true
}
}
// Closest match for a router (includes sub-routers)
if r.NotFoundHandler != nil {
match.Handler = r.NotFoundHandler
return true
}
return false
}
// ServeHTTP dispatches the handler registered in the matched route.
//
// When there is a match, the route variables can be retrieved calling
// mux.Vars(request).
func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
if !r.skipClean {
// Clean path to canonical form and redirect.
if p := cleanPath(req.URL.Path); p != req.URL.Path {
// Added 3 lines (Philip Schlump) - It was dropping the query string and #whatever from query.
// This matches with fix in go 1.2 r.c. 4 for same problem. Go Issue:
// http://code.google.com/p/go/issues/detail?id=5252
url := *req.URL
url.Path = p
p = url.String()
w.Header().Set("Location", p)
w.WriteHeader(http.StatusMovedPermanently)
return
}
}
var match RouteMatch
var handler http.Handler
if r.Match(req, &match) {
handler = match.Handler
req = setVars(req, match.Vars)
req = setCurrentRoute(req, match.Route)
}
if handler == nil {
handler = http.NotFoundHandler()
}
if !r.KeepContext {
defer contextClear(req)
}
handler.ServeHTTP(w, req)
}
// Get returns a route registered with the given name.
func (r *Router) Get(name string) *Route {
return r.getNamedRoutes()[name]
}
// GetRoute returns a route registered with the given name. This method
// was renamed to Get() and remains here for backwards compatibility.
func (r *Router) GetRoute(name string) *Route {
return r.getNamedRoutes()[name]
}
// StrictSlash defines the trailing slash behavior for new routes. The initial
// value is false.
//
// When true, if the route path is "/path/", accessing "/path" will redirect
// to the former and vice versa. In other words, your application will always
// see the path as specified in the route.
//
// When false, if the route path is "/path", accessing "/path/" will not match
// this route and vice versa.
//
// Special case: when a route sets a path prefix using the PathPrefix() method,
// strict slash is ignored for that route because the redirect behavior can't
// be determined from a prefix alone. However, any subrouters created from that
// route inherit the original StrictSlash setting.
func (r *Router) StrictSlash(value bool) *Router {
r.strictSlash = value
return r
}
// SkipClean defines the path cleaning behaviour for new routes. The initial
// value is false. Users should be careful about which routes are not cleaned
//
// When true, if the route path is "/path//to", it will remain with the double
// slash. This is helpful if you have a route like: /fetch/http://xkcd.com/534/
//
// When false, the path will be cleaned, so /fetch/http://xkcd.com/534/ will
// become /fetch/http/xkcd.com/534
func (r *Router) SkipClean(value bool) *Router {
r.skipClean = value
return r
}
// ----------------------------------------------------------------------------
// parentRoute
// ----------------------------------------------------------------------------
// getNamedRoutes returns the map where named routes are registered.
func (r *Router) getNamedRoutes() map[string]*Route {
if r.namedRoutes == nil {
if r.parent != nil {
r.namedRoutes = r.parent.getNamedRoutes()
} else {
r.namedRoutes = make(map[string]*Route)
}
}
return r.namedRoutes
}
// getRegexpGroup returns regexp definitions from the parent route, if any.
func (r *Router) getRegexpGroup() *routeRegexpGroup {
if r.parent != nil {
return r.parent.getRegexpGroup()
}
return nil
}
func (r *Router) buildVars(m map[string]string) map[string]string {
if r.parent != nil {
m = r.parent.buildVars(m)
}
return m
}
// ----------------------------------------------------------------------------
// Route factories
// ----------------------------------------------------------------------------
// NewRoute registers an empty route.
func (r *Router) NewRoute() *Route {
route := &Route{parent: r, strictSlash: r.strictSlash, skipClean: r.skipClean}
r.routes = append(r.routes, route)
return route
}
// Handle registers a new route with a matcher for the URL path.
// See Route.Path() and Route.Handler().
func (r *Router) Handle(path string, handler http.Handler) *Route {
return r.NewRoute().Path(path).Handler(handler)
}
// HandleFunc registers a new route with a matcher for the URL path.
// See Route.Path() and Route.HandlerFunc().
func (r *Router) HandleFunc(path string, f func(http.ResponseWriter,
*http.Request)) *Route {
return r.NewRoute().Path(path).HandlerFunc(f)
}
// Headers registers a new route with a matcher for request header values.
// See Route.Headers().
func (r *Router) Headers(pairs ...string) *Route {
return r.NewRoute().Headers(pairs...)
}
// Host registers a new route with a matcher for the URL host.
// See Route.Host().
func (r *Router) Host(tpl string) *Route {
return r.NewRoute().Host(tpl)
}
// MatcherFunc registers a new route with a custom matcher function.
// See Route.MatcherFunc().
func (r *Router) MatcherFunc(f MatcherFunc) *Route {
return r.NewRoute().MatcherFunc(f)
}
// Methods registers a new route with a matcher for HTTP methods.
// See Route.Methods().
func (r *Router) Methods(methods ...string) *Route {
return r.NewRoute().Methods(methods...)
}
// Path registers a new route with a matcher for the URL path.
// See Route.Path().
func (r *Router) Path(tpl string) *Route {
return r.NewRoute().Path(tpl)
}
// PathPrefix registers a new route with a matcher for the URL path prefix.
// See Route.PathPrefix().
func (r *Router) PathPrefix(tpl string) *Route {
return r.NewRoute().PathPrefix(tpl)
}
// Queries registers a new route with a matcher for URL query values.
// See Route.Queries().
func (r *Router) Queries(pairs ...string) *Route {
return r.NewRoute().Queries(pairs...)
}
// Schemes registers a new route with a matcher for URL schemes.
// See Route.Schemes().
func (r *Router) Schemes(schemes ...string) *Route {
return r.NewRoute().Schemes(schemes...)
}
// BuildVarsFunc registers a new route with a custom function for modifying
// route variables before building a URL.
func (r *Router) BuildVarsFunc(f BuildVarsFunc) *Route {
return r.NewRoute().BuildVarsFunc(f)
}
// Walk walks the router and all its sub-routers, calling walkFn for each route
// in the tree. The routes are walked in the order they were added. Sub-routers
// are explored depth-first.
func (r *Router) Walk(walkFn WalkFunc) error {
return r.walk(walkFn, []*Route{})
}
// SkipRouter is used as a return value from WalkFuncs to indicate that the
// router that walk is about to descend down to should be skipped.
var SkipRouter = errors.New("skip this router")
// WalkFunc is the type of the function called for each route visited by Walk.
// At every invocation, it is given the current route, and the current router,
// and a list of ancestor routes that lead to the current route.
type WalkFunc func(route *Route, router *Router, ancestors []*Route) error
func (r *Router) walk(walkFn WalkFunc, ancestors []*Route) error {
for _, t := range r.routes {
if t.regexp == nil || t.regexp.path == nil || t.regexp.path.template == "" {
continue
}
err := walkFn(t, r, ancestors)
if err == SkipRouter {
continue
}
for _, sr := range t.matchers {
if h, ok := sr.(*Router); ok {
err := h.walk(walkFn, ancestors)
if err != nil {
return err
}
}
}
if h, ok := t.handler.(*Router); ok {
ancestors = append(ancestors, t)
err := h.walk(walkFn, ancestors)
if err != nil {
return err
}
ancestors = ancestors[:len(ancestors)-1]
}
}
return nil
}
// ----------------------------------------------------------------------------
// Context
// ----------------------------------------------------------------------------
// RouteMatch stores information about a matched route.
type RouteMatch struct {
Route *Route
Handler http.Handler
Vars map[string]string
}
type contextKey int
const (
varsKey contextKey = iota
routeKey
)
// Vars returns the route variables for the current request, if any.
func Vars(r *http.Request) map[string]string {
if rv := contextGet(r, varsKey); rv != nil {
return rv.(map[string]string)
}
return nil
}
// CurrentRoute returns the matched route for the current request, if any.
// This only works when called inside the handler of the matched route
// because the matched route is stored in the request context which is cleared
// after the handler returns, unless the KeepContext option is set on the
// Router.
func CurrentRoute(r *http.Request) *Route {
if rv := contextGet(r, routeKey); rv != nil {
return rv.(*Route)
}
return nil
}
func setVars(r *http.Request, val interface{}) *http.Request {
return contextSet(r, varsKey, val)
}
func setCurrentRoute(r *http.Request, val interface{}) *http.Request {
return contextSet(r, routeKey, val)
}
// ----------------------------------------------------------------------------
// Helpers
// ----------------------------------------------------------------------------
// cleanPath returns the canonical path for p, eliminating . and .. elements.
// Borrowed from the net/http package.
func cleanPath(p string) string {
if p == "" {
return "/"
}
if p[0] != '/' {
p = "/" + p
}
np := path.Clean(p)
// path.Clean removes trailing slash except for root;
// put the trailing slash back if necessary.
if p[len(p)-1] == '/' && np != "/" {
np += "/"
}
return np
}
// uniqueVars returns an error if two slices contain duplicated strings.
func uniqueVars(s1, s2 []string) error {
for _, v1 := range s1 {
for _, v2 := range s2 {
if v1 == v2 {
return fmt.Errorf("mux: duplicated route variable %q", v2)
}
}
}
return nil
}
// checkPairs returns the count of strings passed in, and an error if
// the count is not an even number.
func checkPairs(pairs ...string) (int, error) {
length := len(pairs)
if length%2 != 0 {
return length, fmt.Errorf(
"mux: number of parameters must be multiple of 2, got %v", pairs)
}
return length, nil
}
// mapFromPairsToString converts variadic string parameters to a
// string to string map.
func mapFromPairsToString(pairs ...string) (map[string]string, error) {
length, err := checkPairs(pairs...)
if err != nil {
return nil, err
}
m := make(map[string]string, length/2)
for i := 0; i < length; i += 2 {
m[pairs[i]] = pairs[i+1]
}
return m, nil
}
// mapFromPairsToRegex converts variadic string paramers to a
// string to regex map.
func mapFromPairsToRegex(pairs ...string) (map[string]*regexp.Regexp, error) {
length, err := checkPairs(pairs...)
if err != nil {
return nil, err
}
m := make(map[string]*regexp.Regexp, length/2)
for i := 0; i < length; i += 2 {
regex, err := regexp.Compile(pairs[i+1])
if err != nil {
return nil, err
}
m[pairs[i]] = regex
}
return m, nil
}
// matchInArray returns true if the given string value is in the array.
func matchInArray(arr []string, value string) bool {
for _, v := range arr {
if v == value {
return true
}
}
return false
}
// matchMapWithString returns true if the given key/value pairs exist in a given map.
func matchMapWithString(toCheck map[string]string, toMatch map[string][]string, canonicalKey bool) bool {
for k, v := range toCheck {
// Check if key exists.
if canonicalKey {
k = http.CanonicalHeaderKey(k)
}
if values := toMatch[k]; values == nil {
return false
} else if v != "" {
// If value was defined as an empty string we only check that the
// key exists. Otherwise we also check for equality.
valueExists := false
for _, value := range values {
if v == value {
valueExists = true
break
}
}
if !valueExists {
return false
}
}
}
return true
}
// matchMapWithRegex returns true if the given key/value pairs exist in a given map compiled against
// the given regex
func matchMapWithRegex(toCheck map[string]*regexp.Regexp, toMatch map[string][]string, canonicalKey bool) bool {
for k, v := range toCheck {
// Check if key exists.
if canonicalKey {
k = http.CanonicalHeaderKey(k)
}
if values := toMatch[k]; values == nil {
return false
} else if v != nil {
// If value was defined as an empty string we only check that the
// key exists. Otherwise we also check for equality.
valueExists := false
for _, value := range values {
if v.MatchString(value) {
valueExists = true
break
}
}
if !valueExists {
return false
}
}
}
return true
}

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// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mux
import (
"bytes"
"fmt"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
)
// newRouteRegexp parses a route template and returns a routeRegexp,
// used to match a host, a path or a query string.
//
// It will extract named variables, assemble a regexp to be matched, create
// a "reverse" template to build URLs and compile regexps to validate variable
// values used in URL building.
//
// Previously we accepted only Python-like identifiers for variable
// names ([a-zA-Z_][a-zA-Z0-9_]*), but currently the only restriction is that
// name and pattern can't be empty, and names can't contain a colon.
func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash bool) (*routeRegexp, error) {
// Check if it is well-formed.
idxs, errBraces := braceIndices(tpl)
if errBraces != nil {
return nil, errBraces
}
// Backup the original.
template := tpl
// Now let's parse it.
defaultPattern := "[^/]+"
if matchQuery {
defaultPattern = "[^?&]*"
} else if matchHost {
defaultPattern = "[^.]+"
matchPrefix = false
}
// Only match strict slash if not matching
if matchPrefix || matchHost || matchQuery {
strictSlash = false
}
// Set a flag for strictSlash.
endSlash := false
if strictSlash && strings.HasSuffix(tpl, "/") {
tpl = tpl[:len(tpl)-1]
endSlash = true
}
varsN := make([]string, len(idxs)/2)
varsR := make([]*regexp.Regexp, len(idxs)/2)
pattern := bytes.NewBufferString("")
pattern.WriteByte('^')
reverse := bytes.NewBufferString("")
var end int
var err error
for i := 0; i < len(idxs); i += 2 {
// Set all values we are interested in.
raw := tpl[end:idxs[i]]
end = idxs[i+1]
parts := strings.SplitN(tpl[idxs[i]+1:end-1], ":", 2)
name := parts[0]
patt := defaultPattern
if len(parts) == 2 {
patt = parts[1]
}
// Name or pattern can't be empty.
if name == "" || patt == "" {
return nil, fmt.Errorf("mux: missing name or pattern in %q",
tpl[idxs[i]:end])
}
// Build the regexp pattern.
fmt.Fprintf(pattern, "%s(?P<%s>%s)", regexp.QuoteMeta(raw), varGroupName(i/2), patt)
// Build the reverse template.
fmt.Fprintf(reverse, "%s%%s", raw)
// Append variable name and compiled pattern.
varsN[i/2] = name
varsR[i/2], err = regexp.Compile(fmt.Sprintf("^%s$", patt))
if err != nil {
return nil, err
}
}
// Add the remaining.
raw := tpl[end:]
pattern.WriteString(regexp.QuoteMeta(raw))
if strictSlash {
pattern.WriteString("[/]?")
}
if matchQuery {
// Add the default pattern if the query value is empty
if queryVal := strings.SplitN(template, "=", 2)[1]; queryVal == "" {
pattern.WriteString(defaultPattern)
}
}
if !matchPrefix {
pattern.WriteByte('$')
}
reverse.WriteString(raw)
if endSlash {
reverse.WriteByte('/')
}
// Compile full regexp.
reg, errCompile := regexp.Compile(pattern.String())
if errCompile != nil {
return nil, errCompile
}
// Done!
return &routeRegexp{
template: template,
matchHost: matchHost,
matchQuery: matchQuery,
strictSlash: strictSlash,
regexp: reg,
reverse: reverse.String(),
varsN: varsN,
varsR: varsR,
}, nil
}
// routeRegexp stores a regexp to match a host or path and information to
// collect and validate route variables.
type routeRegexp struct {
// The unmodified template.
template string
// True for host match, false for path or query string match.
matchHost bool
// True for query string match, false for path and host match.
matchQuery bool
// The strictSlash value defined on the route, but disabled if PathPrefix was used.
strictSlash bool
// Expanded regexp.
regexp *regexp.Regexp
// Reverse template.
reverse string
// Variable names.
varsN []string
// Variable regexps (validators).
varsR []*regexp.Regexp
}
// Match matches the regexp against the URL host or path.
func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
if !r.matchHost {
if r.matchQuery {
return r.matchQueryString(req)
}
return r.regexp.MatchString(req.URL.Path)
}
return r.regexp.MatchString(getHost(req))
}
// url builds a URL part using the given values.
func (r *routeRegexp) url(values map[string]string) (string, error) {
urlValues := make([]interface{}, len(r.varsN))
for k, v := range r.varsN {
value, ok := values[v]
if !ok {
return "", fmt.Errorf("mux: missing route variable %q", v)
}
urlValues[k] = value
}
rv := fmt.Sprintf(r.reverse, urlValues...)
if !r.regexp.MatchString(rv) {
// The URL is checked against the full regexp, instead of checking
// individual variables. This is faster but to provide a good error
// message, we check individual regexps if the URL doesn't match.
for k, v := range r.varsN {
if !r.varsR[k].MatchString(values[v]) {
return "", fmt.Errorf(
"mux: variable %q doesn't match, expected %q", values[v],
r.varsR[k].String())
}
}
}
return rv, nil
}
// getURLQuery returns a single query parameter from a request URL.
// For a URL with foo=bar&baz=ding, we return only the relevant key
// value pair for the routeRegexp.
func (r *routeRegexp) getURLQuery(req *http.Request) string {
if !r.matchQuery {
return ""
}
templateKey := strings.SplitN(r.template, "=", 2)[0]
for key, vals := range req.URL.Query() {
if key == templateKey && len(vals) > 0 {
return key + "=" + vals[0]
}
}
return ""
}
func (r *routeRegexp) matchQueryString(req *http.Request) bool {
return r.regexp.MatchString(r.getURLQuery(req))
}
// braceIndices returns the first level curly brace indices from a string.
// It returns an error in case of unbalanced braces.
func braceIndices(s string) ([]int, error) {
var level, idx int
var idxs []int
for i := 0; i < len(s); i++ {
switch s[i] {
case '{':
if level++; level == 1 {
idx = i
}
case '}':
if level--; level == 0 {
idxs = append(idxs, idx, i+1)
} else if level < 0 {
return nil, fmt.Errorf("mux: unbalanced braces in %q", s)
}
}
}
if level != 0 {
return nil, fmt.Errorf("mux: unbalanced braces in %q", s)
}
return idxs, nil
}
// varGroupName builds a capturing group name for the indexed variable.
func varGroupName(idx int) string {
return "v" + strconv.Itoa(idx)
}
// ----------------------------------------------------------------------------
// routeRegexpGroup
// ----------------------------------------------------------------------------
// routeRegexpGroup groups the route matchers that carry variables.
type routeRegexpGroup struct {
host *routeRegexp
path *routeRegexp
queries []*routeRegexp
}
// setMatch extracts the variables from the URL once a route matches.
func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) {
// Store host variables.
if v.host != nil {
host := getHost(req)
matches := v.host.regexp.FindStringSubmatchIndex(host)
if len(matches) > 0 {
extractVars(host, matches, v.host.varsN, m.Vars)
}
}
// Store path variables.
if v.path != nil {
matches := v.path.regexp.FindStringSubmatchIndex(req.URL.Path)
if len(matches) > 0 {
extractVars(req.URL.Path, matches, v.path.varsN, m.Vars)
// Check if we should redirect.
if v.path.strictSlash {
p1 := strings.HasSuffix(req.URL.Path, "/")
p2 := strings.HasSuffix(v.path.template, "/")
if p1 != p2 {
u, _ := url.Parse(req.URL.String())
if p1 {
u.Path = u.Path[:len(u.Path)-1]
} else {
u.Path += "/"
}
m.Handler = http.RedirectHandler(u.String(), 301)
}
}
}
}
// Store query string variables.
for _, q := range v.queries {
queryURL := q.getURLQuery(req)
matches := q.regexp.FindStringSubmatchIndex(queryURL)
if len(matches) > 0 {
extractVars(queryURL, matches, q.varsN, m.Vars)
}
}
}
// getHost tries its best to return the request host.
func getHost(r *http.Request) string {
if r.URL.IsAbs() {
return r.URL.Host
}
host := r.Host
// Slice off any port information.
if i := strings.Index(host, ":"); i != -1 {
host = host[:i]
}
return host
}
func extractVars(input string, matches []int, names []string, output map[string]string) {
matchesCount := 0
prevEnd := -1
for i := 2; i < len(matches) && matchesCount < len(names); i += 2 {
if prevEnd < matches[i+1] {
value := input[matches[i]:matches[i+1]]
output[names[matchesCount]] = value
prevEnd = matches[i+1]
matchesCount++
}
}
}

634
vendor/github.com/gorilla/mux/route.go сгенерированный поставляемый
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// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mux
import (
"errors"
"fmt"
"net/http"
"net/url"
"regexp"
"strings"
)
// Route stores information to match a request and build URLs.
type Route struct {
// Parent where the route was registered (a Router).
parent parentRoute
// Request handler for the route.
handler http.Handler
// List of matchers.
matchers []matcher
// Manager for the variables from host and path.
regexp *routeRegexpGroup
// If true, when the path pattern is "/path/", accessing "/path" will
// redirect to the former and vice versa.
strictSlash bool
// If true, when the path pattern is "/path//to", accessing "/path//to"
// will not redirect
skipClean bool
// If true, this route never matches: it is only used to build URLs.
buildOnly bool
// The name used to build URLs.
name string
// Error resulted from building a route.
err error
buildVarsFunc BuildVarsFunc
}
func (r *Route) SkipClean() bool {
return r.skipClean
}
// Match matches the route against the request.
func (r *Route) Match(req *http.Request, match *RouteMatch) bool {
if r.buildOnly || r.err != nil {
return false
}
// Match everything.
for _, m := range r.matchers {
if matched := m.Match(req, match); !matched {
return false
}
}
// Yay, we have a match. Let's collect some info about it.
if match.Route == nil {
match.Route = r
}
if match.Handler == nil {
match.Handler = r.handler
}
if match.Vars == nil {
match.Vars = make(map[string]string)
}
// Set variables.
if r.regexp != nil {
r.regexp.setMatch(req, match, r)
}
return true
}
// ----------------------------------------------------------------------------
// Route attributes
// ----------------------------------------------------------------------------
// GetError returns an error resulted from building the route, if any.
func (r *Route) GetError() error {
return r.err
}
// BuildOnly sets the route to never match: it is only used to build URLs.
func (r *Route) BuildOnly() *Route {
r.buildOnly = true
return r
}
// Handler --------------------------------------------------------------------
// Handler sets a handler for the route.
func (r *Route) Handler(handler http.Handler) *Route {
if r.err == nil {
r.handler = handler
}
return r
}
// HandlerFunc sets a handler function for the route.
func (r *Route) HandlerFunc(f func(http.ResponseWriter, *http.Request)) *Route {
return r.Handler(http.HandlerFunc(f))
}
// GetHandler returns the handler for the route, if any.
func (r *Route) GetHandler() http.Handler {
return r.handler
}
// Name -----------------------------------------------------------------------
// Name sets the name for the route, used to build URLs.
// If the name was registered already it will be overwritten.
func (r *Route) Name(name string) *Route {
if r.name != "" {
r.err = fmt.Errorf("mux: route already has name %q, can't set %q",
r.name, name)
}
if r.err == nil {
r.name = name
r.getNamedRoutes()[name] = r
}
return r
}
// GetName returns the name for the route, if any.
func (r *Route) GetName() string {
return r.name
}
// ----------------------------------------------------------------------------
// Matchers
// ----------------------------------------------------------------------------
// matcher types try to match a request.
type matcher interface {
Match(*http.Request, *RouteMatch) bool
}
// addMatcher adds a matcher to the route.
func (r *Route) addMatcher(m matcher) *Route {
if r.err == nil {
r.matchers = append(r.matchers, m)
}
return r
}
// addRegexpMatcher adds a host or path matcher and builder to a route.
func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery bool) error {
if r.err != nil {
return r.err
}
r.regexp = r.getRegexpGroup()
if !matchHost && !matchQuery {
if len(tpl) == 0 || tpl[0] != '/' {
return fmt.Errorf("mux: path must start with a slash, got %q", tpl)
}
if r.regexp.path != nil {
tpl = strings.TrimRight(r.regexp.path.template, "/") + tpl
}
}
rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash)
if err != nil {
return err
}
for _, q := range r.regexp.queries {
if err = uniqueVars(rr.varsN, q.varsN); err != nil {
return err
}
}
if matchHost {
if r.regexp.path != nil {
if err = uniqueVars(rr.varsN, r.regexp.path.varsN); err != nil {
return err
}
}
r.regexp.host = rr
} else {
if r.regexp.host != nil {
if err = uniqueVars(rr.varsN, r.regexp.host.varsN); err != nil {
return err
}
}
if matchQuery {
r.regexp.queries = append(r.regexp.queries, rr)
} else {
r.regexp.path = rr
}
}
r.addMatcher(rr)
return nil
}
// Headers --------------------------------------------------------------------
// headerMatcher matches the request against header values.
type headerMatcher map[string]string
func (m headerMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchMapWithString(m, r.Header, true)
}
// Headers adds a matcher for request header values.
// It accepts a sequence of key/value pairs to be matched. For example:
//
// r := mux.NewRouter()
// r.Headers("Content-Type", "application/json",
// "X-Requested-With", "XMLHttpRequest")
//
// The above route will only match if both request header values match.
// If the value is an empty string, it will match any value if the key is set.
func (r *Route) Headers(pairs ...string) *Route {
if r.err == nil {
var headers map[string]string
headers, r.err = mapFromPairsToString(pairs...)
return r.addMatcher(headerMatcher(headers))
}
return r
}
// headerRegexMatcher matches the request against the route given a regex for the header
type headerRegexMatcher map[string]*regexp.Regexp
func (m headerRegexMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchMapWithRegex(m, r.Header, true)
}
// HeadersRegexp accepts a sequence of key/value pairs, where the value has regex
// support. For example:
//
// r := mux.NewRouter()
// r.HeadersRegexp("Content-Type", "application/(text|json)",
// "X-Requested-With", "XMLHttpRequest")
//
// The above route will only match if both the request header matches both regular expressions.
// It the value is an empty string, it will match any value if the key is set.
func (r *Route) HeadersRegexp(pairs ...string) *Route {
if r.err == nil {
var headers map[string]*regexp.Regexp
headers, r.err = mapFromPairsToRegex(pairs...)
return r.addMatcher(headerRegexMatcher(headers))
}
return r
}
// Host -----------------------------------------------------------------------
// Host adds a matcher for the URL host.
// It accepts a template with zero or more URL variables enclosed by {}.
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next dot.
//
// - {name:pattern} matches the given regexp pattern.
//
// For example:
//
// r := mux.NewRouter()
// r.Host("www.example.com")
// r.Host("{subdomain}.domain.com")
// r.Host("{subdomain:[a-z]+}.domain.com")
//
// Variable names must be unique in a given route. They can be retrieved
// calling mux.Vars(request).
func (r *Route) Host(tpl string) *Route {
r.err = r.addRegexpMatcher(tpl, true, false, false)
return r
}
// MatcherFunc ----------------------------------------------------------------
// MatcherFunc is the function signature used by custom matchers.
type MatcherFunc func(*http.Request, *RouteMatch) bool
// Match returns the match for a given request.
func (m MatcherFunc) Match(r *http.Request, match *RouteMatch) bool {
return m(r, match)
}
// MatcherFunc adds a custom function to be used as request matcher.
func (r *Route) MatcherFunc(f MatcherFunc) *Route {
return r.addMatcher(f)
}
// Methods --------------------------------------------------------------------
// methodMatcher matches the request against HTTP methods.
type methodMatcher []string
func (m methodMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchInArray(m, r.Method)
}
// Methods adds a matcher for HTTP methods.
// It accepts a sequence of one or more methods to be matched, e.g.:
// "GET", "POST", "PUT".
func (r *Route) Methods(methods ...string) *Route {
for k, v := range methods {
methods[k] = strings.ToUpper(v)
}
return r.addMatcher(methodMatcher(methods))
}
// Path -----------------------------------------------------------------------
// Path adds a matcher for the URL path.
// It accepts a template with zero or more URL variables enclosed by {}. The
// template must start with a "/".
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next slash.
//
// - {name:pattern} matches the given regexp pattern.
//
// For example:
//
// r := mux.NewRouter()
// r.Path("/products/").Handler(ProductsHandler)
// r.Path("/products/{key}").Handler(ProductsHandler)
// r.Path("/articles/{category}/{id:[0-9]+}").
// Handler(ArticleHandler)
//
// Variable names must be unique in a given route. They can be retrieved
// calling mux.Vars(request).
func (r *Route) Path(tpl string) *Route {
r.err = r.addRegexpMatcher(tpl, false, false, false)
return r
}
// PathPrefix -----------------------------------------------------------------
// PathPrefix adds a matcher for the URL path prefix. This matches if the given
// template is a prefix of the full URL path. See Route.Path() for details on
// the tpl argument.
//
// Note that it does not treat slashes specially ("/foobar/" will be matched by
// the prefix "/foo") so you may want to use a trailing slash here.
//
// Also note that the setting of Router.StrictSlash() has no effect on routes
// with a PathPrefix matcher.
func (r *Route) PathPrefix(tpl string) *Route {
r.err = r.addRegexpMatcher(tpl, false, true, false)
return r
}
// Query ----------------------------------------------------------------------
// Queries adds a matcher for URL query values.
// It accepts a sequence of key/value pairs. Values may define variables.
// For example:
//
// r := mux.NewRouter()
// r.Queries("foo", "bar", "id", "{id:[0-9]+}")
//
// The above route will only match if the URL contains the defined queries
// values, e.g.: ?foo=bar&id=42.
//
// It the value is an empty string, it will match any value if the key is set.
//
// Variables can define an optional regexp pattern to be matched:
//
// - {name} matches anything until the next slash.
//
// - {name:pattern} matches the given regexp pattern.
func (r *Route) Queries(pairs ...string) *Route {
length := len(pairs)
if length%2 != 0 {
r.err = fmt.Errorf(
"mux: number of parameters must be multiple of 2, got %v", pairs)
return nil
}
for i := 0; i < length; i += 2 {
if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], false, false, true); r.err != nil {
return r
}
}
return r
}
// Schemes --------------------------------------------------------------------
// schemeMatcher matches the request against URL schemes.
type schemeMatcher []string
func (m schemeMatcher) Match(r *http.Request, match *RouteMatch) bool {
return matchInArray(m, r.URL.Scheme)
}
// Schemes adds a matcher for URL schemes.
// It accepts a sequence of schemes to be matched, e.g.: "http", "https".
func (r *Route) Schemes(schemes ...string) *Route {
for k, v := range schemes {
schemes[k] = strings.ToLower(v)
}
return r.addMatcher(schemeMatcher(schemes))
}
// BuildVarsFunc --------------------------------------------------------------
// BuildVarsFunc is the function signature used by custom build variable
// functions (which can modify route variables before a route's URL is built).
type BuildVarsFunc func(map[string]string) map[string]string
// BuildVarsFunc adds a custom function to be used to modify build variables
// before a route's URL is built.
func (r *Route) BuildVarsFunc(f BuildVarsFunc) *Route {
r.buildVarsFunc = f
return r
}
// Subrouter ------------------------------------------------------------------
// Subrouter creates a subrouter for the route.
//
// It will test the inner routes only if the parent route matched. For example:
//
// r := mux.NewRouter()
// s := r.Host("www.example.com").Subrouter()
// s.HandleFunc("/products/", ProductsHandler)
// s.HandleFunc("/products/{key}", ProductHandler)
// s.HandleFunc("/articles/{category}/{id:[0-9]+}"), ArticleHandler)
//
// Here, the routes registered in the subrouter won't be tested if the host
// doesn't match.
func (r *Route) Subrouter() *Router {
router := &Router{parent: r, strictSlash: r.strictSlash}
r.addMatcher(router)
return router
}
// ----------------------------------------------------------------------------
// URL building
// ----------------------------------------------------------------------------
// URL builds a URL for the route.
//
// It accepts a sequence of key/value pairs for the route variables. For
// example, given this route:
//
// r := mux.NewRouter()
// r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
// Name("article")
//
// ...a URL for it can be built using:
//
// url, err := r.Get("article").URL("category", "technology", "id", "42")
//
// ...which will return an url.URL with the following path:
//
// "/articles/technology/42"
//
// This also works for host variables:
//
// r := mux.NewRouter()
// r.Host("{subdomain}.domain.com").
// HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).
// Name("article")
//
// // url.String() will be "http://news.domain.com/articles/technology/42"
// url, err := r.Get("article").URL("subdomain", "news",
// "category", "technology",
// "id", "42")
//
// All variables defined in the route are required, and their values must
// conform to the corresponding patterns.
func (r *Route) URL(pairs ...string) (*url.URL, error) {
if r.err != nil {
return nil, r.err
}
if r.regexp == nil {
return nil, errors.New("mux: route doesn't have a host or path")
}
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
var scheme, host, path string
if r.regexp.host != nil {
// Set a default scheme.
scheme = "http"
if host, err = r.regexp.host.url(values); err != nil {
return nil, err
}
}
if r.regexp.path != nil {
if path, err = r.regexp.path.url(values); err != nil {
return nil, err
}
}
return &url.URL{
Scheme: scheme,
Host: host,
Path: path,
}, nil
}
// URLHost builds the host part of the URL for a route. See Route.URL().
//
// The route must have a host defined.
func (r *Route) URLHost(pairs ...string) (*url.URL, error) {
if r.err != nil {
return nil, r.err
}
if r.regexp == nil || r.regexp.host == nil {
return nil, errors.New("mux: route doesn't have a host")
}
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
host, err := r.regexp.host.url(values)
if err != nil {
return nil, err
}
return &url.URL{
Scheme: "http",
Host: host,
}, nil
}
// URLPath builds the path part of the URL for a route. See Route.URL().
//
// The route must have a path defined.
func (r *Route) URLPath(pairs ...string) (*url.URL, error) {
if r.err != nil {
return nil, r.err
}
if r.regexp == nil || r.regexp.path == nil {
return nil, errors.New("mux: route doesn't have a path")
}
values, err := r.prepareVars(pairs...)
if err != nil {
return nil, err
}
path, err := r.regexp.path.url(values)
if err != nil {
return nil, err
}
return &url.URL{
Path: path,
}, nil
}
// GetPathTemplate returns the template used to build the
// route match.
// This is useful for building simple REST API documentation and for instrumentation
// against third-party services.
// An error will be returned if the route does not define a path.
func (r *Route) GetPathTemplate() (string, error) {
if r.err != nil {
return "", r.err
}
if r.regexp == nil || r.regexp.path == nil {
return "", errors.New("mux: route doesn't have a path")
}
return r.regexp.path.template, nil
}
// GetHostTemplate returns the template used to build the
// route match.
// This is useful for building simple REST API documentation and for instrumentation
// against third-party services.
// An error will be returned if the route does not define a host.
func (r *Route) GetHostTemplate() (string, error) {
if r.err != nil {
return "", r.err
}
if r.regexp == nil || r.regexp.host == nil {
return "", errors.New("mux: route doesn't have a host")
}
return r.regexp.host.template, nil
}
// prepareVars converts the route variable pairs into a map. If the route has a
// BuildVarsFunc, it is invoked.
func (r *Route) prepareVars(pairs ...string) (map[string]string, error) {
m, err := mapFromPairsToString(pairs...)
if err != nil {
return nil, err
}
return r.buildVars(m), nil
}
func (r *Route) buildVars(m map[string]string) map[string]string {
if r.parent != nil {
m = r.parent.buildVars(m)
}
if r.buildVarsFunc != nil {
m = r.buildVarsFunc(m)
}
return m
}
// ----------------------------------------------------------------------------
// parentRoute
// ----------------------------------------------------------------------------
// parentRoute allows routes to know about parent host and path definitions.
type parentRoute interface {
getNamedRoutes() map[string]*Route
getRegexpGroup() *routeRegexpGroup
buildVars(map[string]string) map[string]string
}
// getNamedRoutes returns the map where named routes are registered.
func (r *Route) getNamedRoutes() map[string]*Route {
if r.parent == nil {
// During tests router is not always set.
r.parent = NewRouter()
}
return r.parent.getNamedRoutes()
}
// getRegexpGroup returns regexp definitions from this route.
func (r *Route) getRegexpGroup() *routeRegexpGroup {
if r.regexp == nil {
if r.parent == nil {
// During tests router is not always set.
r.parent = NewRouter()
}
regexp := r.parent.getRegexpGroup()
if regexp == nil {
r.regexp = new(routeRegexpGroup)
} else {
// Copy.
r.regexp = &routeRegexpGroup{
host: regexp.host,
path: regexp.path,
queries: regexp.queries,
}
}
}
return r.regexp
}

3
vendor/github.com/kr/logfmt/.gitignore сгенерированный поставляемый
Просмотреть файл

@ -1,3 +0,0 @@
*.test
*.swp
*.prof

12
vendor/github.com/kr/logfmt/Readme сгенерированный поставляемый
Просмотреть файл

@ -1,12 +0,0 @@
Go package for parsing (and, eventually, generating)
log lines in the logfmt style.
See http://godoc.org/github.com/kr/logfmt for format, and other documentation and examples.
Copyright (C) 2013 Keith Rarick, Blake Mizerany
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

184
vendor/github.com/kr/logfmt/decode.go сгенерированный поставляемый
Просмотреть файл

@ -1,184 +0,0 @@
// Package implements the decoding of logfmt key-value pairs.
//
// Example logfmt message:
//
// foo=bar a=14 baz="hello kitty" cool%story=bro f %^asdf
//
// Example result in JSON:
//
// { "foo": "bar", "a": 14, "baz": "hello kitty", "cool%story": "bro", "f": true, "%^asdf": true }
//
// EBNFish:
//
// ident_byte = any byte greater than ' ', excluding '=' and '"'
// string_byte = any byte excluding '"' and '\'
// garbage = !ident_byte
// ident = ident_byte, { ident byte }
// key = ident
// value = ident | '"', { string_byte | '\', '"' }, '"'
// pair = key, '=', value | key, '=' | key
// message = { garbage, pair }, garbage
package logfmt
import (
"reflect"
"strconv"
"strings"
"time"
)
// Handler is the interface implemented by objects that accept logfmt
// key-value pairs. HandleLogfmt must copy the logfmt data if it
// wishes to retain the data after returning.
type Handler interface {
HandleLogfmt(key, val []byte) error
}
// The HandlerFunc type is an adapter to allow the use of ordinary functions as
// logfmt handlers. If f is a function with the appropriate signature,
// HandlerFunc(f) is a Handler object that calls f.
type HandlerFunc func(key, val []byte) error
func (f HandlerFunc) HandleLogfmt(key, val []byte) error {
return f(key, val)
}
// Unmarshal parses the logfmt encoding data and stores the result in the value
// pointed to by v. If v is an Handler, HandleLogfmt will be called for each
// key-value pair.
//
// If v is not a Handler, it will pass v to NewStructHandler and use the
// returned StructHandler for decoding.
func Unmarshal(data []byte, v interface{}) (err error) {
h, ok := v.(Handler)
if !ok {
h, err = NewStructHandler(v)
if err != nil {
return err
}
}
return gotoScanner(data, h)
}
// StructHandler unmarshals logfmt into a struct. It matches incoming keys to
// the the struct's fields (either the struct field name or its tag, preferring
// an exact match but also accepting a case-insensitive match.
//
// Field types supported by StructHandler are:
//
// all numeric types (e.g. float32, int, etc.)
// []byte
// string
// bool - true if key is present, false otherwise (the value is ignored).
// time.Duration - uses time.ParseDuration
//
// If a field is a pointer to an above type, and a matching key is not present
// in the logfmt data, the pointer will be untouched.
//
// If v is not a pointer to an Handler or struct, Unmarshal will return an
// error.
type StructHandler struct {
rv reflect.Value
}
func NewStructHandler(v interface{}) (Handler, error) {
rv := reflect.ValueOf(v)
if rv.Kind() != reflect.Ptr || rv.IsNil() {
return nil, &InvalidUnmarshalError{reflect.TypeOf(v)}
}
return &StructHandler{rv: rv}, nil
}
func (h *StructHandler) HandleLogfmt(key, val []byte) error {
el := h.rv.Elem()
skey := string(key)
for i := 0; i < el.NumField(); i++ {
fv := el.Field(i)
ft := el.Type().Field(i)
switch {
case ft.Name == skey:
case ft.Tag.Get("logfmt") == skey:
case strings.EqualFold(ft.Name, skey):
default:
continue
}
if fv.Kind() == reflect.Ptr {
if fv.IsNil() {
t := fv.Type().Elem()
v := reflect.New(t)
fv.Set(v)
fv = v
}
fv = fv.Elem()
}
switch fv.Interface().(type) {
case time.Duration:
d, err := time.ParseDuration(string(val))
if err != nil {
return &UnmarshalTypeError{string(val), fv.Type()}
}
fv.Set(reflect.ValueOf(d))
case string:
fv.SetString(string(val))
case []byte:
b := make([]byte, len(val))
copy(b, val)
fv.SetBytes(b)
case bool:
fv.SetBool(true)
default:
switch {
case reflect.Int <= fv.Kind() && fv.Kind() <= reflect.Int64:
v, err := strconv.ParseInt(string(val), 10, 64)
if err != nil {
return err
}
fv.SetInt(v)
case reflect.Uint32 <= fv.Kind() && fv.Kind() <= reflect.Uint64:
v, err := strconv.ParseUint(string(val), 10, 64)
if err != nil {
return err
}
fv.SetUint(v)
case reflect.Float32 <= fv.Kind() && fv.Kind() <= reflect.Float64:
v, err := strconv.ParseFloat(string(val), 10)
if err != nil {
return err
}
fv.SetFloat(v)
default:
return &UnmarshalTypeError{string(val), fv.Type()}
}
}
}
return nil
}
// An InvalidUnmarshalError describes an invalid argument passed to Unmarshal.
// (The argument to Unmarshal must be a non-nil pointer.)
type InvalidUnmarshalError struct {
Type reflect.Type
}
func (e *InvalidUnmarshalError) Error() string {
if e.Type == nil {
return "logfmt: Unmarshal(nil)"
}
if e.Type.Kind() != reflect.Ptr {
return "logfmt: Unmarshal(non-pointer " + e.Type.String() + ")"
}
return "logfmt: Unmarshal(nil " + e.Type.String() + ")"
}
// An UnmarshalTypeError describes a logfmt value that was
// not appropriate for a value of a specific Go type.
type UnmarshalTypeError struct {
Value string // the logfmt value
Type reflect.Type // type of Go value it could not be assigned to
}
func (e *UnmarshalTypeError) Error() string {
return "logfmt: cannot unmarshal " + e.Value + " into Go value of type " + e.Type.String()
}

149
vendor/github.com/kr/logfmt/scanner.go сгенерированный поставляемый
Просмотреть файл

@ -1,149 +0,0 @@
package logfmt
import (
"errors"
"fmt"
)
var ErrUnterminatedString = errors.New("logfmt: unterminated string")
func gotoScanner(data []byte, h Handler) (err error) {
saveError := func(e error) {
if err == nil {
err = e
}
}
var c byte
var i int
var m int
var key []byte
var val []byte
var ok bool
var esc bool
garbage:
if i == len(data) {
return
}
c = data[i]
switch {
case c > ' ' && c != '"' && c != '=':
key, val = nil, nil
m = i
i++
goto key
default:
i++
goto garbage
}
key:
if i >= len(data) {
if m >= 0 {
key = data[m:i]
saveError(h.HandleLogfmt(key, nil))
}
return
}
c = data[i]
switch {
case c > ' ' && c != '"' && c != '=':
i++
goto key
case c == '=':
key = data[m:i]
i++
goto equal
default:
key = data[m:i]
i++
saveError(h.HandleLogfmt(key, nil))
goto garbage
}
equal:
if i >= len(data) {
if m >= 0 {
i--
key = data[m:i]
saveError(h.HandleLogfmt(key, nil))
}
return
}
c = data[i]
switch {
case c > ' ' && c != '"' && c != '=':
m = i
i++
goto ivalue
case c == '"':
m = i
i++
esc = false
goto qvalue
default:
if key != nil {
saveError(h.HandleLogfmt(key, val))
}
i++
goto garbage
}
ivalue:
if i >= len(data) {
if m >= 0 {
val = data[m:i]
saveError(h.HandleLogfmt(key, val))
}
return
}
c = data[i]
switch {
case c > ' ' && c != '"' && c != '=':
i++
goto ivalue
default:
val = data[m:i]
saveError(h.HandleLogfmt(key, val))
i++
goto garbage
}
qvalue:
if i >= len(data) {
if m >= 0 {
saveError(ErrUnterminatedString)
}
return
}
c = data[i]
switch c {
case '\\':
i += 2
esc = true
goto qvalue
case '"':
i++
val = data[m:i]
if esc {
val, ok = unquoteBytes(val)
if !ok {
saveError(fmt.Errorf("logfmt: error unquoting bytes %q", string(val)))
goto garbage
}
} else {
val = val[1 : len(val)-1]
}
saveError(h.HandleLogfmt(key, val))
goto garbage
default:
i++
goto qvalue
}
}

149
vendor/github.com/kr/logfmt/unquote.go сгенерированный поставляемый
Просмотреть файл

@ -1,149 +0,0 @@
package logfmt
import (
"strconv"
"unicode"
"unicode/utf16"
"unicode/utf8"
)
// Taken from Go's encoding/json
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// getu4 decodes \uXXXX from the beginning of s, returning the hex value,
// or it returns -1.
func getu4(s []byte) rune {
if len(s) < 6 || s[0] != '\\' || s[1] != 'u' {
return -1
}
r, err := strconv.ParseUint(string(s[2:6]), 16, 64)
if err != nil {
return -1
}
return rune(r)
}
// unquote converts a quoted JSON string literal s into an actual string t.
// The rules are different than for Go, so cannot use strconv.Unquote.
func unquote(s []byte) (t string, ok bool) {
s, ok = unquoteBytes(s)
t = string(s)
return
}
func unquoteBytes(s []byte) (t []byte, ok bool) {
if len(s) < 2 || s[0] != '"' || s[len(s)-1] != '"' {
return
}
s = s[1 : len(s)-1]
// Check for unusual characters. If there are none,
// then no unquoting is needed, so return a slice of the
// original bytes.
r := 0
for r < len(s) {
c := s[r]
if c == '\\' || c == '"' || c < ' ' {
break
}
if c < utf8.RuneSelf {
r++
continue
}
rr, size := utf8.DecodeRune(s[r:])
if rr == utf8.RuneError && size == 1 {
break
}
r += size
}
if r == len(s) {
return s, true
}
b := make([]byte, len(s)+2*utf8.UTFMax)
w := copy(b, s[0:r])
for r < len(s) {
// Out of room? Can only happen if s is full of
// malformed UTF-8 and we're replacing each
// byte with RuneError.
if w >= len(b)-2*utf8.UTFMax {
nb := make([]byte, (len(b)+utf8.UTFMax)*2)
copy(nb, b[0:w])
b = nb
}
switch c := s[r]; {
case c == '\\':
r++
if r >= len(s) {
return
}
switch s[r] {
default:
return
case '"', '\\', '/', '\'':
b[w] = s[r]
r++
w++
case 'b':
b[w] = '\b'
r++
w++
case 'f':
b[w] = '\f'
r++
w++
case 'n':
b[w] = '\n'
r++
w++
case 'r':
b[w] = '\r'
r++
w++
case 't':
b[w] = '\t'
r++
w++
case 'u':
r--
rr := getu4(s[r:])
if rr < 0 {
return
}
r += 6
if utf16.IsSurrogate(rr) {
rr1 := getu4(s[r:])
if dec := utf16.DecodeRune(rr, rr1); dec != unicode.ReplacementChar {
// A valid pair; consume.
r += 6
w += utf8.EncodeRune(b[w:], dec)
break
}
// Invalid surrogate; fall back to replacement rune.
rr = unicode.ReplacementChar
}
w += utf8.EncodeRune(b[w:], rr)
}
// Quote, control characters are invalid.
case c == '"', c < ' ':
return
// ASCII
case c < utf8.RuneSelf:
b[w] = c
r++
w++
// Coerce to well-formed UTF-8.
default:
rr, size := utf8.DecodeRune(s[r:])
r += size
w += utf8.EncodeRune(b[w:], rr)
}
}
return b[0:w], true
}

24
vendor/github.com/pkg/errors/.gitignore сгенерированный поставляемый
Просмотреть файл

@ -1,24 +0,0 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof

10
vendor/github.com/pkg/errors/.travis.yml сгенерированный поставляемый
Просмотреть файл

@ -1,10 +0,0 @@
language: go
go_import_path: github.com/pkg/errors
go:
- 1.11.x
- 1.12.x
- 1.13.x
- tip
script:
- make check

23
vendor/github.com/pkg/errors/LICENSE сгенерированный поставляемый
Просмотреть файл

@ -1,23 +0,0 @@
Copyright (c) 2015, Dave Cheney <dave@cheney.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

44
vendor/github.com/pkg/errors/Makefile сгенерированный поставляемый
Просмотреть файл

@ -1,44 +0,0 @@
PKGS := github.com/pkg/errors
SRCDIRS := $(shell go list -f '{{.Dir}}' $(PKGS))
GO := go
check: test vet gofmt misspell unconvert staticcheck ineffassign unparam
test:
$(GO) test $(PKGS)
vet: | test
$(GO) vet $(PKGS)
staticcheck:
$(GO) get honnef.co/go/tools/cmd/staticcheck
staticcheck -checks all $(PKGS)
misspell:
$(GO) get github.com/client9/misspell/cmd/misspell
misspell \
-locale GB \
-error \
*.md *.go
unconvert:
$(GO) get github.com/mdempsky/unconvert
unconvert -v $(PKGS)
ineffassign:
$(GO) get github.com/gordonklaus/ineffassign
find $(SRCDIRS) -name '*.go' | xargs ineffassign
pedantic: check errcheck
unparam:
$(GO) get mvdan.cc/unparam
unparam ./...
errcheck:
$(GO) get github.com/kisielk/errcheck
errcheck $(PKGS)
gofmt:
@echo Checking code is gofmted
@test -z "$(shell gofmt -s -l -d -e $(SRCDIRS) | tee /dev/stderr)"

59
vendor/github.com/pkg/errors/README.md сгенерированный поставляемый
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@ -1,59 +0,0 @@
# errors [![Travis-CI](https://travis-ci.org/pkg/errors.svg)](https://travis-ci.org/pkg/errors) [![AppVeyor](https://ci.appveyor.com/api/projects/status/b98mptawhudj53ep/branch/master?svg=true)](https://ci.appveyor.com/project/davecheney/errors/branch/master) [![GoDoc](https://godoc.org/github.com/pkg/errors?status.svg)](http://godoc.org/github.com/pkg/errors) [![Report card](https://goreportcard.com/badge/github.com/pkg/errors)](https://goreportcard.com/report/github.com/pkg/errors) [![Sourcegraph](https://sourcegraph.com/github.com/pkg/errors/-/badge.svg)](https://sourcegraph.com/github.com/pkg/errors?badge)
Package errors provides simple error handling primitives.
`go get github.com/pkg/errors`
The traditional error handling idiom in Go is roughly akin to
```go
if err != nil {
return err
}
```
which applied recursively up the call stack results in error reports without context or debugging information. The errors package allows programmers to add context to the failure path in their code in a way that does not destroy the original value of the error.
## Adding context to an error
The errors.Wrap function returns a new error that adds context to the original error. For example
```go
_, err := ioutil.ReadAll(r)
if err != nil {
return errors.Wrap(err, "read failed")
}
```
## Retrieving the cause of an error
Using `errors.Wrap` constructs a stack of errors, adding context to the preceding error. Depending on the nature of the error it may be necessary to reverse the operation of errors.Wrap to retrieve the original error for inspection. Any error value which implements this interface can be inspected by `errors.Cause`.
```go
type causer interface {
Cause() error
}
```
`errors.Cause` will recursively retrieve the topmost error which does not implement `causer`, which is assumed to be the original cause. For example:
```go
switch err := errors.Cause(err).(type) {
case *MyError:
// handle specifically
default:
// unknown error
}
```
[Read the package documentation for more information](https://godoc.org/github.com/pkg/errors).
## Roadmap
With the upcoming [Go2 error proposals](https://go.googlesource.com/proposal/+/master/design/go2draft.md) this package is moving into maintenance mode. The roadmap for a 1.0 release is as follows:
- 0.9. Remove pre Go 1.9 and Go 1.10 support, address outstanding pull requests (if possible)
- 1.0. Final release.
## Contributing
Because of the Go2 errors changes, this package is not accepting proposals for new functionality. With that said, we welcome pull requests, bug fixes and issue reports.
Before sending a PR, please discuss your change by raising an issue.
## License
BSD-2-Clause

32
vendor/github.com/pkg/errors/appveyor.yml сгенерированный поставляемый
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version: build-{build}.{branch}
clone_folder: C:\gopath\src\github.com\pkg\errors
shallow_clone: true # for startup speed
environment:
GOPATH: C:\gopath
platform:
- x64
# http://www.appveyor.com/docs/installed-software
install:
# some helpful output for debugging builds
- go version
- go env
# pre-installed MinGW at C:\MinGW is 32bit only
# but MSYS2 at C:\msys64 has mingw64
- set PATH=C:\msys64\mingw64\bin;%PATH%
- gcc --version
- g++ --version
build_script:
- go install -v ./...
test_script:
- set PATH=C:\gopath\bin;%PATH%
- go test -v ./...
#artifacts:
# - path: '%GOPATH%\bin\*.exe'
deploy: off

288
vendor/github.com/pkg/errors/errors.go сгенерированный поставляемый
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// Package errors provides simple error handling primitives.
//
// The traditional error handling idiom in Go is roughly akin to
//
// if err != nil {
// return err
// }
//
// which when applied recursively up the call stack results in error reports
// without context or debugging information. The errors package allows
// programmers to add context to the failure path in their code in a way
// that does not destroy the original value of the error.
//
// Adding context to an error
//
// The errors.Wrap function returns a new error that adds context to the
// original error by recording a stack trace at the point Wrap is called,
// together with the supplied message. For example
//
// _, err := ioutil.ReadAll(r)
// if err != nil {
// return errors.Wrap(err, "read failed")
// }
//
// If additional control is required, the errors.WithStack and
// errors.WithMessage functions destructure errors.Wrap into its component
// operations: annotating an error with a stack trace and with a message,
// respectively.
//
// Retrieving the cause of an error
//
// Using errors.Wrap constructs a stack of errors, adding context to the
// preceding error. Depending on the nature of the error it may be necessary
// to reverse the operation of errors.Wrap to retrieve the original error
// for inspection. Any error value which implements this interface
//
// type causer interface {
// Cause() error
// }
//
// can be inspected by errors.Cause. errors.Cause will recursively retrieve
// the topmost error that does not implement causer, which is assumed to be
// the original cause. For example:
//
// switch err := errors.Cause(err).(type) {
// case *MyError:
// // handle specifically
// default:
// // unknown error
// }
//
// Although the causer interface is not exported by this package, it is
// considered a part of its stable public interface.
//
// Formatted printing of errors
//
// All error values returned from this package implement fmt.Formatter and can
// be formatted by the fmt package. The following verbs are supported:
//
// %s print the error. If the error has a Cause it will be
// printed recursively.
// %v see %s
// %+v extended format. Each Frame of the error's StackTrace will
// be printed in detail.
//
// Retrieving the stack trace of an error or wrapper
//
// New, Errorf, Wrap, and Wrapf record a stack trace at the point they are
// invoked. This information can be retrieved with the following interface:
//
// type stackTracer interface {
// StackTrace() errors.StackTrace
// }
//
// The returned errors.StackTrace type is defined as
//
// type StackTrace []Frame
//
// The Frame type represents a call site in the stack trace. Frame supports
// the fmt.Formatter interface that can be used for printing information about
// the stack trace of this error. For example:
//
// if err, ok := err.(stackTracer); ok {
// for _, f := range err.StackTrace() {
// fmt.Printf("%+s:%d\n", f, f)
// }
// }
//
// Although the stackTracer interface is not exported by this package, it is
// considered a part of its stable public interface.
//
// See the documentation for Frame.Format for more details.
package errors
import (
"fmt"
"io"
)
// New returns an error with the supplied message.
// New also records the stack trace at the point it was called.
func New(message string) error {
return &fundamental{
msg: message,
stack: callers(),
}
}
// Errorf formats according to a format specifier and returns the string
// as a value that satisfies error.
// Errorf also records the stack trace at the point it was called.
func Errorf(format string, args ...interface{}) error {
return &fundamental{
msg: fmt.Sprintf(format, args...),
stack: callers(),
}
}
// fundamental is an error that has a message and a stack, but no caller.
type fundamental struct {
msg string
*stack
}
func (f *fundamental) Error() string { return f.msg }
func (f *fundamental) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
if s.Flag('+') {
io.WriteString(s, f.msg)
f.stack.Format(s, verb)
return
}
fallthrough
case 's':
io.WriteString(s, f.msg)
case 'q':
fmt.Fprintf(s, "%q", f.msg)
}
}
// WithStack annotates err with a stack trace at the point WithStack was called.
// If err is nil, WithStack returns nil.
func WithStack(err error) error {
if err == nil {
return nil
}
return &withStack{
err,
callers(),
}
}
type withStack struct {
error
*stack
}
func (w *withStack) Cause() error { return w.error }
// Unwrap provides compatibility for Go 1.13 error chains.
func (w *withStack) Unwrap() error { return w.error }
func (w *withStack) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
if s.Flag('+') {
fmt.Fprintf(s, "%+v", w.Cause())
w.stack.Format(s, verb)
return
}
fallthrough
case 's':
io.WriteString(s, w.Error())
case 'q':
fmt.Fprintf(s, "%q", w.Error())
}
}
// Wrap returns an error annotating err with a stack trace
// at the point Wrap is called, and the supplied message.
// If err is nil, Wrap returns nil.
func Wrap(err error, message string) error {
if err == nil {
return nil
}
err = &withMessage{
cause: err,
msg: message,
}
return &withStack{
err,
callers(),
}
}
// Wrapf returns an error annotating err with a stack trace
// at the point Wrapf is called, and the format specifier.
// If err is nil, Wrapf returns nil.
func Wrapf(err error, format string, args ...interface{}) error {
if err == nil {
return nil
}
err = &withMessage{
cause: err,
msg: fmt.Sprintf(format, args...),
}
return &withStack{
err,
callers(),
}
}
// WithMessage annotates err with a new message.
// If err is nil, WithMessage returns nil.
func WithMessage(err error, message string) error {
if err == nil {
return nil
}
return &withMessage{
cause: err,
msg: message,
}
}
// WithMessagef annotates err with the format specifier.
// If err is nil, WithMessagef returns nil.
func WithMessagef(err error, format string, args ...interface{}) error {
if err == nil {
return nil
}
return &withMessage{
cause: err,
msg: fmt.Sprintf(format, args...),
}
}
type withMessage struct {
cause error
msg string
}
func (w *withMessage) Error() string { return w.msg + ": " + w.cause.Error() }
func (w *withMessage) Cause() error { return w.cause }
// Unwrap provides compatibility for Go 1.13 error chains.
func (w *withMessage) Unwrap() error { return w.cause }
func (w *withMessage) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
if s.Flag('+') {
fmt.Fprintf(s, "%+v\n", w.Cause())
io.WriteString(s, w.msg)
return
}
fallthrough
case 's', 'q':
io.WriteString(s, w.Error())
}
}
// Cause returns the underlying cause of the error, if possible.
// An error value has a cause if it implements the following
// interface:
//
// type causer interface {
// Cause() error
// }
//
// If the error does not implement Cause, the original error will
// be returned. If the error is nil, nil will be returned without further
// investigation.
func Cause(err error) error {
type causer interface {
Cause() error
}
for err != nil {
cause, ok := err.(causer)
if !ok {
break
}
err = cause.Cause()
}
return err
}

38
vendor/github.com/pkg/errors/go113.go сгенерированный поставляемый
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// +build go1.13
package errors
import (
stderrors "errors"
)
// Is reports whether any error in err's chain matches target.
//
// The chain consists of err itself followed by the sequence of errors obtained by
// repeatedly calling Unwrap.
//
// An error is considered to match a target if it is equal to that target or if
// it implements a method Is(error) bool such that Is(target) returns true.
func Is(err, target error) bool { return stderrors.Is(err, target) }
// As finds the first error in err's chain that matches target, and if so, sets
// target to that error value and returns true.
//
// The chain consists of err itself followed by the sequence of errors obtained by
// repeatedly calling Unwrap.
//
// An error matches target if the error's concrete value is assignable to the value
// pointed to by target, or if the error has a method As(interface{}) bool such that
// As(target) returns true. In the latter case, the As method is responsible for
// setting target.
//
// As will panic if target is not a non-nil pointer to either a type that implements
// error, or to any interface type. As returns false if err is nil.
func As(err error, target interface{}) bool { return stderrors.As(err, target) }
// Unwrap returns the result of calling the Unwrap method on err, if err's
// type contains an Unwrap method returning error.
// Otherwise, Unwrap returns nil.
func Unwrap(err error) error {
return stderrors.Unwrap(err)
}

177
vendor/github.com/pkg/errors/stack.go сгенерированный поставляемый
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package errors
import (
"fmt"
"io"
"path"
"runtime"
"strconv"
"strings"
)
// Frame represents a program counter inside a stack frame.
// For historical reasons if Frame is interpreted as a uintptr
// its value represents the program counter + 1.
type Frame uintptr
// pc returns the program counter for this frame;
// multiple frames may have the same PC value.
func (f Frame) pc() uintptr { return uintptr(f) - 1 }
// file returns the full path to the file that contains the
// function for this Frame's pc.
func (f Frame) file() string {
fn := runtime.FuncForPC(f.pc())
if fn == nil {
return "unknown"
}
file, _ := fn.FileLine(f.pc())
return file
}
// line returns the line number of source code of the
// function for this Frame's pc.
func (f Frame) line() int {
fn := runtime.FuncForPC(f.pc())
if fn == nil {
return 0
}
_, line := fn.FileLine(f.pc())
return line
}
// name returns the name of this function, if known.
func (f Frame) name() string {
fn := runtime.FuncForPC(f.pc())
if fn == nil {
return "unknown"
}
return fn.Name()
}
// Format formats the frame according to the fmt.Formatter interface.
//
// %s source file
// %d source line
// %n function name
// %v equivalent to %s:%d
//
// Format accepts flags that alter the printing of some verbs, as follows:
//
// %+s function name and path of source file relative to the compile time
// GOPATH separated by \n\t (<funcname>\n\t<path>)
// %+v equivalent to %+s:%d
func (f Frame) Format(s fmt.State, verb rune) {
switch verb {
case 's':
switch {
case s.Flag('+'):
io.WriteString(s, f.name())
io.WriteString(s, "\n\t")
io.WriteString(s, f.file())
default:
io.WriteString(s, path.Base(f.file()))
}
case 'd':
io.WriteString(s, strconv.Itoa(f.line()))
case 'n':
io.WriteString(s, funcname(f.name()))
case 'v':
f.Format(s, 's')
io.WriteString(s, ":")
f.Format(s, 'd')
}
}
// MarshalText formats a stacktrace Frame as a text string. The output is the
// same as that of fmt.Sprintf("%+v", f), but without newlines or tabs.
func (f Frame) MarshalText() ([]byte, error) {
name := f.name()
if name == "unknown" {
return []byte(name), nil
}
return []byte(fmt.Sprintf("%s %s:%d", name, f.file(), f.line())), nil
}
// StackTrace is stack of Frames from innermost (newest) to outermost (oldest).
type StackTrace []Frame
// Format formats the stack of Frames according to the fmt.Formatter interface.
//
// %s lists source files for each Frame in the stack
// %v lists the source file and line number for each Frame in the stack
//
// Format accepts flags that alter the printing of some verbs, as follows:
//
// %+v Prints filename, function, and line number for each Frame in the stack.
func (st StackTrace) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
switch {
case s.Flag('+'):
for _, f := range st {
io.WriteString(s, "\n")
f.Format(s, verb)
}
case s.Flag('#'):
fmt.Fprintf(s, "%#v", []Frame(st))
default:
st.formatSlice(s, verb)
}
case 's':
st.formatSlice(s, verb)
}
}
// formatSlice will format this StackTrace into the given buffer as a slice of
// Frame, only valid when called with '%s' or '%v'.
func (st StackTrace) formatSlice(s fmt.State, verb rune) {
io.WriteString(s, "[")
for i, f := range st {
if i > 0 {
io.WriteString(s, " ")
}
f.Format(s, verb)
}
io.WriteString(s, "]")
}
// stack represents a stack of program counters.
type stack []uintptr
func (s *stack) Format(st fmt.State, verb rune) {
switch verb {
case 'v':
switch {
case st.Flag('+'):
for _, pc := range *s {
f := Frame(pc)
fmt.Fprintf(st, "\n%+v", f)
}
}
}
}
func (s *stack) StackTrace() StackTrace {
f := make([]Frame, len(*s))
for i := 0; i < len(f); i++ {
f[i] = Frame((*s)[i])
}
return f
}
func callers() *stack {
const depth = 32
var pcs [depth]uintptr
n := runtime.Callers(3, pcs[:])
var st stack = pcs[0:n]
return &st
}
// funcname removes the path prefix component of a function's name reported by func.Name().
func funcname(name string) string {
i := strings.LastIndex(name, "/")
name = name[i+1:]
i = strings.Index(name, ".")
return name[i+1:]
}

27
vendor/github.com/pmezard/go-difflib/LICENSE сгенерированный поставляемый
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Copyright (c) 2013, Patrick Mezard
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The names of its contributors may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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vendor/github.com/pmezard/go-difflib/difflib/difflib.go сгенерированный поставляемый
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// Package difflib is a partial port of Python difflib module.
//
// It provides tools to compare sequences of strings and generate textual diffs.
//
// The following class and functions have been ported:
//
// - SequenceMatcher
//
// - unified_diff
//
// - context_diff
//
// Getting unified diffs was the main goal of the port. Keep in mind this code
// is mostly suitable to output text differences in a human friendly way, there
// are no guarantees generated diffs are consumable by patch(1).
package difflib
import (
"bufio"
"bytes"
"fmt"
"io"
"strings"
)
func min(a, b int) int {
if a < b {
return a
}
return b
}
func max(a, b int) int {
if a > b {
return a
}
return b
}
func calculateRatio(matches, length int) float64 {
if length > 0 {
return 2.0 * float64(matches) / float64(length)
}
return 1.0
}
type Match struct {
A int
B int
Size int
}
type OpCode struct {
Tag byte
I1 int
I2 int
J1 int
J2 int
}
// SequenceMatcher compares sequence of strings. The basic
// algorithm predates, and is a little fancier than, an algorithm
// published in the late 1980's by Ratcliff and Obershelp under the
// hyperbolic name "gestalt pattern matching". The basic idea is to find
// the longest contiguous matching subsequence that contains no "junk"
// elements (R-O doesn't address junk). The same idea is then applied
// recursively to the pieces of the sequences to the left and to the right
// of the matching subsequence. This does not yield minimal edit
// sequences, but does tend to yield matches that "look right" to people.
//
// SequenceMatcher tries to compute a "human-friendly diff" between two
// sequences. Unlike e.g. UNIX(tm) diff, the fundamental notion is the
// longest *contiguous* & junk-free matching subsequence. That's what
// catches peoples' eyes. The Windows(tm) windiff has another interesting
// notion, pairing up elements that appear uniquely in each sequence.
// That, and the method here, appear to yield more intuitive difference
// reports than does diff. This method appears to be the least vulnerable
// to synching up on blocks of "junk lines", though (like blank lines in
// ordinary text files, or maybe "<P>" lines in HTML files). That may be
// because this is the only method of the 3 that has a *concept* of
// "junk" <wink>.
//
// Timing: Basic R-O is cubic time worst case and quadratic time expected
// case. SequenceMatcher is quadratic time for the worst case and has
// expected-case behavior dependent in a complicated way on how many
// elements the sequences have in common; best case time is linear.
type SequenceMatcher struct {
a []string
b []string
b2j map[string][]int
IsJunk func(string) bool
autoJunk bool
bJunk map[string]struct{}
matchingBlocks []Match
fullBCount map[string]int
bPopular map[string]struct{}
opCodes []OpCode
}
func NewMatcher(a, b []string) *SequenceMatcher {
m := SequenceMatcher{autoJunk: true}
m.SetSeqs(a, b)
return &m
}
func NewMatcherWithJunk(a, b []string, autoJunk bool,
isJunk func(string) bool) *SequenceMatcher {
m := SequenceMatcher{IsJunk: isJunk, autoJunk: autoJunk}
m.SetSeqs(a, b)
return &m
}
// Set two sequences to be compared.
func (m *SequenceMatcher) SetSeqs(a, b []string) {
m.SetSeq1(a)
m.SetSeq2(b)
}
// Set the first sequence to be compared. The second sequence to be compared is
// not changed.
//
// SequenceMatcher computes and caches detailed information about the second
// sequence, so if you want to compare one sequence S against many sequences,
// use .SetSeq2(s) once and call .SetSeq1(x) repeatedly for each of the other
// sequences.
//
// See also SetSeqs() and SetSeq2().
func (m *SequenceMatcher) SetSeq1(a []string) {
if &a == &m.a {
return
}
m.a = a
m.matchingBlocks = nil
m.opCodes = nil
}
// Set the second sequence to be compared. The first sequence to be compared is
// not changed.
func (m *SequenceMatcher) SetSeq2(b []string) {
if &b == &m.b {
return
}
m.b = b
m.matchingBlocks = nil
m.opCodes = nil
m.fullBCount = nil
m.chainB()
}
func (m *SequenceMatcher) chainB() {
// Populate line -> index mapping
b2j := map[string][]int{}
for i, s := range m.b {
indices := b2j[s]
indices = append(indices, i)
b2j[s] = indices
}
// Purge junk elements
m.bJunk = map[string]struct{}{}
if m.IsJunk != nil {
junk := m.bJunk
for s, _ := range b2j {
if m.IsJunk(s) {
junk[s] = struct{}{}
}
}
for s, _ := range junk {
delete(b2j, s)
}
}
// Purge remaining popular elements
popular := map[string]struct{}{}
n := len(m.b)
if m.autoJunk && n >= 200 {
ntest := n/100 + 1
for s, indices := range b2j {
if len(indices) > ntest {
popular[s] = struct{}{}
}
}
for s, _ := range popular {
delete(b2j, s)
}
}
m.bPopular = popular
m.b2j = b2j
}
func (m *SequenceMatcher) isBJunk(s string) bool {
_, ok := m.bJunk[s]
return ok
}
// Find longest matching block in a[alo:ahi] and b[blo:bhi].
//
// If IsJunk is not defined:
//
// Return (i,j,k) such that a[i:i+k] is equal to b[j:j+k], where
// alo <= i <= i+k <= ahi
// blo <= j <= j+k <= bhi
// and for all (i',j',k') meeting those conditions,
// k >= k'
// i <= i'
// and if i == i', j <= j'
//
// In other words, of all maximal matching blocks, return one that
// starts earliest in a, and of all those maximal matching blocks that
// start earliest in a, return the one that starts earliest in b.
//
// If IsJunk is defined, first the longest matching block is
// determined as above, but with the additional restriction that no
// junk element appears in the block. Then that block is extended as
// far as possible by matching (only) junk elements on both sides. So
// the resulting block never matches on junk except as identical junk
// happens to be adjacent to an "interesting" match.
//
// If no blocks match, return (alo, blo, 0).
func (m *SequenceMatcher) findLongestMatch(alo, ahi, blo, bhi int) Match {
// CAUTION: stripping common prefix or suffix would be incorrect.
// E.g.,
// ab
// acab
// Longest matching block is "ab", but if common prefix is
// stripped, it's "a" (tied with "b"). UNIX(tm) diff does so
// strip, so ends up claiming that ab is changed to acab by
// inserting "ca" in the middle. That's minimal but unintuitive:
// "it's obvious" that someone inserted "ac" at the front.
// Windiff ends up at the same place as diff, but by pairing up
// the unique 'b's and then matching the first two 'a's.
besti, bestj, bestsize := alo, blo, 0
// find longest junk-free match
// during an iteration of the loop, j2len[j] = length of longest
// junk-free match ending with a[i-1] and b[j]
j2len := map[int]int{}
for i := alo; i != ahi; i++ {
// look at all instances of a[i] in b; note that because
// b2j has no junk keys, the loop is skipped if a[i] is junk
newj2len := map[int]int{}
for _, j := range m.b2j[m.a[i]] {
// a[i] matches b[j]
if j < blo {
continue
}
if j >= bhi {
break
}
k := j2len[j-1] + 1
newj2len[j] = k
if k > bestsize {
besti, bestj, bestsize = i-k+1, j-k+1, k
}
}
j2len = newj2len
}
// Extend the best by non-junk elements on each end. In particular,
// "popular" non-junk elements aren't in b2j, which greatly speeds
// the inner loop above, but also means "the best" match so far
// doesn't contain any junk *or* popular non-junk elements.
for besti > alo && bestj > blo && !m.isBJunk(m.b[bestj-1]) &&
m.a[besti-1] == m.b[bestj-1] {
besti, bestj, bestsize = besti-1, bestj-1, bestsize+1
}
for besti+bestsize < ahi && bestj+bestsize < bhi &&
!m.isBJunk(m.b[bestj+bestsize]) &&
m.a[besti+bestsize] == m.b[bestj+bestsize] {
bestsize += 1
}
// Now that we have a wholly interesting match (albeit possibly
// empty!), we may as well suck up the matching junk on each
// side of it too. Can't think of a good reason not to, and it
// saves post-processing the (possibly considerable) expense of
// figuring out what to do with it. In the case of an empty
// interesting match, this is clearly the right thing to do,
// because no other kind of match is possible in the regions.
for besti > alo && bestj > blo && m.isBJunk(m.b[bestj-1]) &&
m.a[besti-1] == m.b[bestj-1] {
besti, bestj, bestsize = besti-1, bestj-1, bestsize+1
}
for besti+bestsize < ahi && bestj+bestsize < bhi &&
m.isBJunk(m.b[bestj+bestsize]) &&
m.a[besti+bestsize] == m.b[bestj+bestsize] {
bestsize += 1
}
return Match{A: besti, B: bestj, Size: bestsize}
}
// Return list of triples describing matching subsequences.
//
// Each triple is of the form (i, j, n), and means that
// a[i:i+n] == b[j:j+n]. The triples are monotonically increasing in
// i and in j. It's also guaranteed that if (i, j, n) and (i', j', n') are
// adjacent triples in the list, and the second is not the last triple in the
// list, then i+n != i' or j+n != j'. IOW, adjacent triples never describe
// adjacent equal blocks.
//
// The last triple is a dummy, (len(a), len(b), 0), and is the only
// triple with n==0.
func (m *SequenceMatcher) GetMatchingBlocks() []Match {
if m.matchingBlocks != nil {
return m.matchingBlocks
}
var matchBlocks func(alo, ahi, blo, bhi int, matched []Match) []Match
matchBlocks = func(alo, ahi, blo, bhi int, matched []Match) []Match {
match := m.findLongestMatch(alo, ahi, blo, bhi)
i, j, k := match.A, match.B, match.Size
if match.Size > 0 {
if alo < i && blo < j {
matched = matchBlocks(alo, i, blo, j, matched)
}
matched = append(matched, match)
if i+k < ahi && j+k < bhi {
matched = matchBlocks(i+k, ahi, j+k, bhi, matched)
}
}
return matched
}
matched := matchBlocks(0, len(m.a), 0, len(m.b), nil)
// It's possible that we have adjacent equal blocks in the
// matching_blocks list now.
nonAdjacent := []Match{}
i1, j1, k1 := 0, 0, 0
for _, b := range matched {
// Is this block adjacent to i1, j1, k1?
i2, j2, k2 := b.A, b.B, b.Size
if i1+k1 == i2 && j1+k1 == j2 {
// Yes, so collapse them -- this just increases the length of
// the first block by the length of the second, and the first
// block so lengthened remains the block to compare against.
k1 += k2
} else {
// Not adjacent. Remember the first block (k1==0 means it's
// the dummy we started with), and make the second block the
// new block to compare against.
if k1 > 0 {
nonAdjacent = append(nonAdjacent, Match{i1, j1, k1})
}
i1, j1, k1 = i2, j2, k2
}
}
if k1 > 0 {
nonAdjacent = append(nonAdjacent, Match{i1, j1, k1})
}
nonAdjacent = append(nonAdjacent, Match{len(m.a), len(m.b), 0})
m.matchingBlocks = nonAdjacent
return m.matchingBlocks
}
// Return list of 5-tuples describing how to turn a into b.
//
// Each tuple is of the form (tag, i1, i2, j1, j2). The first tuple
// has i1 == j1 == 0, and remaining tuples have i1 == the i2 from the
// tuple preceding it, and likewise for j1 == the previous j2.
//
// The tags are characters, with these meanings:
//
// 'r' (replace): a[i1:i2] should be replaced by b[j1:j2]
//
// 'd' (delete): a[i1:i2] should be deleted, j1==j2 in this case.
//
// 'i' (insert): b[j1:j2] should be inserted at a[i1:i1], i1==i2 in this case.
//
// 'e' (equal): a[i1:i2] == b[j1:j2]
func (m *SequenceMatcher) GetOpCodes() []OpCode {
if m.opCodes != nil {
return m.opCodes
}
i, j := 0, 0
matching := m.GetMatchingBlocks()
opCodes := make([]OpCode, 0, len(matching))
for _, m := range matching {
// invariant: we've pumped out correct diffs to change
// a[:i] into b[:j], and the next matching block is
// a[ai:ai+size] == b[bj:bj+size]. So we need to pump
// out a diff to change a[i:ai] into b[j:bj], pump out
// the matching block, and move (i,j) beyond the match
ai, bj, size := m.A, m.B, m.Size
tag := byte(0)
if i < ai && j < bj {
tag = 'r'
} else if i < ai {
tag = 'd'
} else if j < bj {
tag = 'i'
}
if tag > 0 {
opCodes = append(opCodes, OpCode{tag, i, ai, j, bj})
}
i, j = ai+size, bj+size
// the list of matching blocks is terminated by a
// sentinel with size 0
if size > 0 {
opCodes = append(opCodes, OpCode{'e', ai, i, bj, j})
}
}
m.opCodes = opCodes
return m.opCodes
}
// Isolate change clusters by eliminating ranges with no changes.
//
// Return a generator of groups with up to n lines of context.
// Each group is in the same format as returned by GetOpCodes().
func (m *SequenceMatcher) GetGroupedOpCodes(n int) [][]OpCode {
if n < 0 {
n = 3
}
codes := m.GetOpCodes()
if len(codes) == 0 {
codes = []OpCode{OpCode{'e', 0, 1, 0, 1}}
}
// Fixup leading and trailing groups if they show no changes.
if codes[0].Tag == 'e' {
c := codes[0]
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
codes[0] = OpCode{c.Tag, max(i1, i2-n), i2, max(j1, j2-n), j2}
}
if codes[len(codes)-1].Tag == 'e' {
c := codes[len(codes)-1]
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
codes[len(codes)-1] = OpCode{c.Tag, i1, min(i2, i1+n), j1, min(j2, j1+n)}
}
nn := n + n
groups := [][]OpCode{}
group := []OpCode{}
for _, c := range codes {
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
// End the current group and start a new one whenever
// there is a large range with no changes.
if c.Tag == 'e' && i2-i1 > nn {
group = append(group, OpCode{c.Tag, i1, min(i2, i1+n),
j1, min(j2, j1+n)})
groups = append(groups, group)
group = []OpCode{}
i1, j1 = max(i1, i2-n), max(j1, j2-n)
}
group = append(group, OpCode{c.Tag, i1, i2, j1, j2})
}
if len(group) > 0 && !(len(group) == 1 && group[0].Tag == 'e') {
groups = append(groups, group)
}
return groups
}
// Return a measure of the sequences' similarity (float in [0,1]).
//
// Where T is the total number of elements in both sequences, and
// M is the number of matches, this is 2.0*M / T.
// Note that this is 1 if the sequences are identical, and 0 if
// they have nothing in common.
//
// .Ratio() is expensive to compute if you haven't already computed
// .GetMatchingBlocks() or .GetOpCodes(), in which case you may
// want to try .QuickRatio() or .RealQuickRation() first to get an
// upper bound.
func (m *SequenceMatcher) Ratio() float64 {
matches := 0
for _, m := range m.GetMatchingBlocks() {
matches += m.Size
}
return calculateRatio(matches, len(m.a)+len(m.b))
}
// Return an upper bound on ratio() relatively quickly.
//
// This isn't defined beyond that it is an upper bound on .Ratio(), and
// is faster to compute.
func (m *SequenceMatcher) QuickRatio() float64 {
// viewing a and b as multisets, set matches to the cardinality
// of their intersection; this counts the number of matches
// without regard to order, so is clearly an upper bound
if m.fullBCount == nil {
m.fullBCount = map[string]int{}
for _, s := range m.b {
m.fullBCount[s] = m.fullBCount[s] + 1
}
}
// avail[x] is the number of times x appears in 'b' less the
// number of times we've seen it in 'a' so far ... kinda
avail := map[string]int{}
matches := 0
for _, s := range m.a {
n, ok := avail[s]
if !ok {
n = m.fullBCount[s]
}
avail[s] = n - 1
if n > 0 {
matches += 1
}
}
return calculateRatio(matches, len(m.a)+len(m.b))
}
// Return an upper bound on ratio() very quickly.
//
// This isn't defined beyond that it is an upper bound on .Ratio(), and
// is faster to compute than either .Ratio() or .QuickRatio().
func (m *SequenceMatcher) RealQuickRatio() float64 {
la, lb := len(m.a), len(m.b)
return calculateRatio(min(la, lb), la+lb)
}
// Convert range to the "ed" format
func formatRangeUnified(start, stop int) string {
// Per the diff spec at http://www.unix.org/single_unix_specification/
beginning := start + 1 // lines start numbering with one
length := stop - start
if length == 1 {
return fmt.Sprintf("%d", beginning)
}
if length == 0 {
beginning -= 1 // empty ranges begin at line just before the range
}
return fmt.Sprintf("%d,%d", beginning, length)
}
// Unified diff parameters
type UnifiedDiff struct {
A []string // First sequence lines
FromFile string // First file name
FromDate string // First file time
B []string // Second sequence lines
ToFile string // Second file name
ToDate string // Second file time
Eol string // Headers end of line, defaults to LF
Context int // Number of context lines
}
// Compare two sequences of lines; generate the delta as a unified diff.
//
// Unified diffs are a compact way of showing line changes and a few
// lines of context. The number of context lines is set by 'n' which
// defaults to three.
//
// By default, the diff control lines (those with ---, +++, or @@) are
// created with a trailing newline. This is helpful so that inputs
// created from file.readlines() result in diffs that are suitable for
// file.writelines() since both the inputs and outputs have trailing
// newlines.
//
// For inputs that do not have trailing newlines, set the lineterm
// argument to "" so that the output will be uniformly newline free.
//
// The unidiff format normally has a header for filenames and modification
// times. Any or all of these may be specified using strings for
// 'fromfile', 'tofile', 'fromfiledate', and 'tofiledate'.
// The modification times are normally expressed in the ISO 8601 format.
func WriteUnifiedDiff(writer io.Writer, diff UnifiedDiff) error {
buf := bufio.NewWriter(writer)
defer buf.Flush()
wf := func(format string, args ...interface{}) error {
_, err := buf.WriteString(fmt.Sprintf(format, args...))
return err
}
ws := func(s string) error {
_, err := buf.WriteString(s)
return err
}
if len(diff.Eol) == 0 {
diff.Eol = "\n"
}
started := false
m := NewMatcher(diff.A, diff.B)
for _, g := range m.GetGroupedOpCodes(diff.Context) {
if !started {
started = true
fromDate := ""
if len(diff.FromDate) > 0 {
fromDate = "\t" + diff.FromDate
}
toDate := ""
if len(diff.ToDate) > 0 {
toDate = "\t" + diff.ToDate
}
if diff.FromFile != "" || diff.ToFile != "" {
err := wf("--- %s%s%s", diff.FromFile, fromDate, diff.Eol)
if err != nil {
return err
}
err = wf("+++ %s%s%s", diff.ToFile, toDate, diff.Eol)
if err != nil {
return err
}
}
}
first, last := g[0], g[len(g)-1]
range1 := formatRangeUnified(first.I1, last.I2)
range2 := formatRangeUnified(first.J1, last.J2)
if err := wf("@@ -%s +%s @@%s", range1, range2, diff.Eol); err != nil {
return err
}
for _, c := range g {
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
if c.Tag == 'e' {
for _, line := range diff.A[i1:i2] {
if err := ws(" " + line); err != nil {
return err
}
}
continue
}
if c.Tag == 'r' || c.Tag == 'd' {
for _, line := range diff.A[i1:i2] {
if err := ws("-" + line); err != nil {
return err
}
}
}
if c.Tag == 'r' || c.Tag == 'i' {
for _, line := range diff.B[j1:j2] {
if err := ws("+" + line); err != nil {
return err
}
}
}
}
}
return nil
}
// Like WriteUnifiedDiff but returns the diff a string.
func GetUnifiedDiffString(diff UnifiedDiff) (string, error) {
w := &bytes.Buffer{}
err := WriteUnifiedDiff(w, diff)
return string(w.Bytes()), err
}
// Convert range to the "ed" format.
func formatRangeContext(start, stop int) string {
// Per the diff spec at http://www.unix.org/single_unix_specification/
beginning := start + 1 // lines start numbering with one
length := stop - start
if length == 0 {
beginning -= 1 // empty ranges begin at line just before the range
}
if length <= 1 {
return fmt.Sprintf("%d", beginning)
}
return fmt.Sprintf("%d,%d", beginning, beginning+length-1)
}
type ContextDiff UnifiedDiff
// Compare two sequences of lines; generate the delta as a context diff.
//
// Context diffs are a compact way of showing line changes and a few
// lines of context. The number of context lines is set by diff.Context
// which defaults to three.
//
// By default, the diff control lines (those with *** or ---) are
// created with a trailing newline.
//
// For inputs that do not have trailing newlines, set the diff.Eol
// argument to "" so that the output will be uniformly newline free.
//
// The context diff format normally has a header for filenames and
// modification times. Any or all of these may be specified using
// strings for diff.FromFile, diff.ToFile, diff.FromDate, diff.ToDate.
// The modification times are normally expressed in the ISO 8601 format.
// If not specified, the strings default to blanks.
func WriteContextDiff(writer io.Writer, diff ContextDiff) error {
buf := bufio.NewWriter(writer)
defer buf.Flush()
var diffErr error
wf := func(format string, args ...interface{}) {
_, err := buf.WriteString(fmt.Sprintf(format, args...))
if diffErr == nil && err != nil {
diffErr = err
}
}
ws := func(s string) {
_, err := buf.WriteString(s)
if diffErr == nil && err != nil {
diffErr = err
}
}
if len(diff.Eol) == 0 {
diff.Eol = "\n"
}
prefix := map[byte]string{
'i': "+ ",
'd': "- ",
'r': "! ",
'e': " ",
}
started := false
m := NewMatcher(diff.A, diff.B)
for _, g := range m.GetGroupedOpCodes(diff.Context) {
if !started {
started = true
fromDate := ""
if len(diff.FromDate) > 0 {
fromDate = "\t" + diff.FromDate
}
toDate := ""
if len(diff.ToDate) > 0 {
toDate = "\t" + diff.ToDate
}
if diff.FromFile != "" || diff.ToFile != "" {
wf("*** %s%s%s", diff.FromFile, fromDate, diff.Eol)
wf("--- %s%s%s", diff.ToFile, toDate, diff.Eol)
}
}
first, last := g[0], g[len(g)-1]
ws("***************" + diff.Eol)
range1 := formatRangeContext(first.I1, last.I2)
wf("*** %s ****%s", range1, diff.Eol)
for _, c := range g {
if c.Tag == 'r' || c.Tag == 'd' {
for _, cc := range g {
if cc.Tag == 'i' {
continue
}
for _, line := range diff.A[cc.I1:cc.I2] {
ws(prefix[cc.Tag] + line)
}
}
break
}
}
range2 := formatRangeContext(first.J1, last.J2)
wf("--- %s ----%s", range2, diff.Eol)
for _, c := range g {
if c.Tag == 'r' || c.Tag == 'i' {
for _, cc := range g {
if cc.Tag == 'd' {
continue
}
for _, line := range diff.B[cc.J1:cc.J2] {
ws(prefix[cc.Tag] + line)
}
}
break
}
}
}
return diffErr
}
// Like WriteContextDiff but returns the diff a string.
func GetContextDiffString(diff ContextDiff) (string, error) {
w := &bytes.Buffer{}
err := WriteContextDiff(w, diff)
return string(w.Bytes()), err
}
// Split a string on "\n" while preserving them. The output can be used
// as input for UnifiedDiff and ContextDiff structures.
func SplitLines(s string) []string {
lines := strings.SplitAfter(s, "\n")
lines[len(lines)-1] += "\n"
return lines
}

22
vendor/github.com/stretchr/testify/LICENSE сгенерированный поставляемый
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@ -1,22 +0,0 @@
Copyright (c) 2012 - 2013 Mat Ryer and Tyler Bunnell
Please consider promoting this project if you find it useful.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

387
vendor/github.com/stretchr/testify/assert/assertion_forward.go сгенерированный поставляемый
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@ -1,387 +0,0 @@
/*
* CODE GENERATED AUTOMATICALLY WITH github.com/stretchr/testify/_codegen
* THIS FILE MUST NOT BE EDITED BY HAND
*/
package assert
import (
http "net/http"
url "net/url"
time "time"
)
// Condition uses a Comparison to assert a complex condition.
func (a *Assertions) Condition(comp Comparison, msgAndArgs ...interface{}) bool {
return Condition(a.t, comp, msgAndArgs...)
}
// Contains asserts that the specified string, list(array, slice...) or map contains the
// specified substring or element.
//
// a.Contains("Hello World", "World", "But 'Hello World' does contain 'World'")
// a.Contains(["Hello", "World"], "World", "But ["Hello", "World"] does contain 'World'")
// a.Contains({"Hello": "World"}, "Hello", "But {'Hello': 'World'} does contain 'Hello'")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Contains(s interface{}, contains interface{}, msgAndArgs ...interface{}) bool {
return Contains(a.t, s, contains, msgAndArgs...)
}
// Empty asserts that the specified object is empty. I.e. nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// a.Empty(obj)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Empty(object interface{}, msgAndArgs ...interface{}) bool {
return Empty(a.t, object, msgAndArgs...)
}
// Equal asserts that two objects are equal.
//
// a.Equal(123, 123, "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Equal(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
return Equal(a.t, expected, actual, msgAndArgs...)
}
// EqualError asserts that a function returned an error (i.e. not `nil`)
// and that it is equal to the provided error.
//
// actualObj, err := SomeFunction()
// if assert.Error(t, err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) EqualError(theError error, errString string, msgAndArgs ...interface{}) bool {
return EqualError(a.t, theError, errString, msgAndArgs...)
}
// EqualValues asserts that two objects are equal or convertable to the same types
// and equal.
//
// a.EqualValues(uint32(123), int32(123), "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) EqualValues(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
return EqualValues(a.t, expected, actual, msgAndArgs...)
}
// Error asserts that a function returned an error (i.e. not `nil`).
//
// actualObj, err := SomeFunction()
// if a.Error(err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Error(err error, msgAndArgs ...interface{}) bool {
return Error(a.t, err, msgAndArgs...)
}
// Exactly asserts that two objects are equal is value and type.
//
// a.Exactly(int32(123), int64(123), "123 and 123 should NOT be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Exactly(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
return Exactly(a.t, expected, actual, msgAndArgs...)
}
// Fail reports a failure through
func (a *Assertions) Fail(failureMessage string, msgAndArgs ...interface{}) bool {
return Fail(a.t, failureMessage, msgAndArgs...)
}
// FailNow fails test
func (a *Assertions) FailNow(failureMessage string, msgAndArgs ...interface{}) bool {
return FailNow(a.t, failureMessage, msgAndArgs...)
}
// False asserts that the specified value is false.
//
// a.False(myBool, "myBool should be false")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) False(value bool, msgAndArgs ...interface{}) bool {
return False(a.t, value, msgAndArgs...)
}
// HTTPBodyContains asserts that a specified handler returns a
// body that contains a string.
//
// a.HTTPBodyContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPBodyContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {
return HTTPBodyContains(a.t, handler, method, url, values, str)
}
// HTTPBodyNotContains asserts that a specified handler returns a
// body that does not contain a string.
//
// a.HTTPBodyNotContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPBodyNotContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {
return HTTPBodyNotContains(a.t, handler, method, url, values, str)
}
// HTTPError asserts that a specified handler returns an error status code.
//
// a.HTTPError(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPError(handler http.HandlerFunc, method string, url string, values url.Values) bool {
return HTTPError(a.t, handler, method, url, values)
}
// HTTPRedirect asserts that a specified handler returns a redirect status code.
//
// a.HTTPRedirect(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPRedirect(handler http.HandlerFunc, method string, url string, values url.Values) bool {
return HTTPRedirect(a.t, handler, method, url, values)
}
// HTTPSuccess asserts that a specified handler returns a success status code.
//
// a.HTTPSuccess(myHandler, "POST", "http://www.google.com", nil)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPSuccess(handler http.HandlerFunc, method string, url string, values url.Values) bool {
return HTTPSuccess(a.t, handler, method, url, values)
}
// Implements asserts that an object is implemented by the specified interface.
//
// a.Implements((*MyInterface)(nil), new(MyObject), "MyObject")
func (a *Assertions) Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool {
return Implements(a.t, interfaceObject, object, msgAndArgs...)
}
// InDelta asserts that the two numerals are within delta of each other.
//
// a.InDelta(math.Pi, (22 / 7.0), 0.01)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) InDelta(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
return InDelta(a.t, expected, actual, delta, msgAndArgs...)
}
// InDeltaSlice is the same as InDelta, except it compares two slices.
func (a *Assertions) InDeltaSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
return InDeltaSlice(a.t, expected, actual, delta, msgAndArgs...)
}
// InEpsilon asserts that expected and actual have a relative error less than epsilon
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) InEpsilon(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) bool {
return InEpsilon(a.t, expected, actual, epsilon, msgAndArgs...)
}
// InEpsilonSlice is the same as InEpsilon, except it compares two slices.
func (a *Assertions) InEpsilonSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {
return InEpsilonSlice(a.t, expected, actual, delta, msgAndArgs...)
}
// IsType asserts that the specified objects are of the same type.
func (a *Assertions) IsType(expectedType interface{}, object interface{}, msgAndArgs ...interface{}) bool {
return IsType(a.t, expectedType, object, msgAndArgs...)
}
// JSONEq asserts that two JSON strings are equivalent.
//
// a.JSONEq(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) JSONEq(expected string, actual string, msgAndArgs ...interface{}) bool {
return JSONEq(a.t, expected, actual, msgAndArgs...)
}
// Len asserts that the specified object has specific length.
// Len also fails if the object has a type that len() not accept.
//
// a.Len(mySlice, 3, "The size of slice is not 3")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Len(object interface{}, length int, msgAndArgs ...interface{}) bool {
return Len(a.t, object, length, msgAndArgs...)
}
// Nil asserts that the specified object is nil.
//
// a.Nil(err, "err should be nothing")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) bool {
return Nil(a.t, object, msgAndArgs...)
}
// NoError asserts that a function returned no error (i.e. `nil`).
//
// actualObj, err := SomeFunction()
// if a.NoError(err) {
// assert.Equal(t, actualObj, expectedObj)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NoError(err error, msgAndArgs ...interface{}) bool {
return NoError(a.t, err, msgAndArgs...)
}
// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the
// specified substring or element.
//
// a.NotContains("Hello World", "Earth", "But 'Hello World' does NOT contain 'Earth'")
// a.NotContains(["Hello", "World"], "Earth", "But ['Hello', 'World'] does NOT contain 'Earth'")
// a.NotContains({"Hello": "World"}, "Earth", "But {'Hello': 'World'} does NOT contain 'Earth'")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotContains(s interface{}, contains interface{}, msgAndArgs ...interface{}) bool {
return NotContains(a.t, s, contains, msgAndArgs...)
}
// NotEmpty asserts that the specified object is NOT empty. I.e. not nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// if a.NotEmpty(obj) {
// assert.Equal(t, "two", obj[1])
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotEmpty(object interface{}, msgAndArgs ...interface{}) bool {
return NotEmpty(a.t, object, msgAndArgs...)
}
// NotEqual asserts that the specified values are NOT equal.
//
// a.NotEqual(obj1, obj2, "two objects shouldn't be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotEqual(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
return NotEqual(a.t, expected, actual, msgAndArgs...)
}
// NotNil asserts that the specified object is not nil.
//
// a.NotNil(err, "err should be something")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotNil(object interface{}, msgAndArgs ...interface{}) bool {
return NotNil(a.t, object, msgAndArgs...)
}
// NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic.
//
// a.NotPanics(func(){
// RemainCalm()
// }, "Calling RemainCalm() should NOT panic")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotPanics(f PanicTestFunc, msgAndArgs ...interface{}) bool {
return NotPanics(a.t, f, msgAndArgs...)
}
// NotRegexp asserts that a specified regexp does not match a string.
//
// a.NotRegexp(regexp.MustCompile("starts"), "it's starting")
// a.NotRegexp("^start", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotRegexp(rx interface{}, str interface{}, msgAndArgs ...interface{}) bool {
return NotRegexp(a.t, rx, str, msgAndArgs...)
}
// NotZero asserts that i is not the zero value for its type and returns the truth.
func (a *Assertions) NotZero(i interface{}, msgAndArgs ...interface{}) bool {
return NotZero(a.t, i, msgAndArgs...)
}
// Panics asserts that the code inside the specified PanicTestFunc panics.
//
// a.Panics(func(){
// GoCrazy()
// }, "Calling GoCrazy() should panic")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Panics(f PanicTestFunc, msgAndArgs ...interface{}) bool {
return Panics(a.t, f, msgAndArgs...)
}
// Regexp asserts that a specified regexp matches a string.
//
// a.Regexp(regexp.MustCompile("start"), "it's starting")
// a.Regexp("start...$", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Regexp(rx interface{}, str interface{}, msgAndArgs ...interface{}) bool {
return Regexp(a.t, rx, str, msgAndArgs...)
}
// True asserts that the specified value is true.
//
// a.True(myBool, "myBool should be true")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) True(value bool, msgAndArgs ...interface{}) bool {
return True(a.t, value, msgAndArgs...)
}
// WithinDuration asserts that the two times are within duration delta of each other.
//
// a.WithinDuration(time.Now(), time.Now(), 10*time.Second, "The difference should not be more than 10s")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) WithinDuration(expected time.Time, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) bool {
return WithinDuration(a.t, expected, actual, delta, msgAndArgs...)
}
// Zero asserts that i is the zero value for its type and returns the truth.
func (a *Assertions) Zero(i interface{}, msgAndArgs ...interface{}) bool {
return Zero(a.t, i, msgAndArgs...)
}

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vendor/github.com/stretchr/testify/assert/assertion_forward.go.tmpl сгенерированный поставляемый
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@ -1,4 +0,0 @@
{{.CommentWithoutT "a"}}
func (a *Assertions) {{.DocInfo.Name}}({{.Params}}) bool {
return {{.DocInfo.Name}}(a.t, {{.ForwardedParams}})
}

1007
vendor/github.com/stretchr/testify/assert/assertions.go сгенерированный поставляемый
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Разница между файлами не показана из-за своего большого размера Загрузить разницу

45
vendor/github.com/stretchr/testify/assert/doc.go сгенерированный поставляемый
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// Package assert provides a set of comprehensive testing tools for use with the normal Go testing system.
//
// Example Usage
//
// The following is a complete example using assert in a standard test function:
// import (
// "testing"
// "github.com/stretchr/testify/assert"
// )
//
// func TestSomething(t *testing.T) {
//
// var a string = "Hello"
// var b string = "Hello"
//
// assert.Equal(t, a, b, "The two words should be the same.")
//
// }
//
// if you assert many times, use the format below:
//
// import (
// "testing"
// "github.com/stretchr/testify/assert"
// )
//
// func TestSomething(t *testing.T) {
// assert := assert.New(t)
//
// var a string = "Hello"
// var b string = "Hello"
//
// assert.Equal(a, b, "The two words should be the same.")
// }
//
// Assertions
//
// Assertions allow you to easily write test code, and are global funcs in the `assert` package.
// All assertion functions take, as the first argument, the `*testing.T` object provided by the
// testing framework. This allows the assertion funcs to write the failings and other details to
// the correct place.
//
// Every assertion function also takes an optional string message as the final argument,
// allowing custom error messages to be appended to the message the assertion method outputs.
package assert

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vendor/github.com/stretchr/testify/assert/errors.go сгенерированный поставляемый
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package assert
import (
"errors"
)
// AnError is an error instance useful for testing. If the code does not care
// about error specifics, and only needs to return the error for example, this
// error should be used to make the test code more readable.
var AnError = errors.New("assert.AnError general error for testing")

16
vendor/github.com/stretchr/testify/assert/forward_assertions.go сгенерированный поставляемый
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@ -1,16 +0,0 @@
package assert
// Assertions provides assertion methods around the
// TestingT interface.
type Assertions struct {
t TestingT
}
// New makes a new Assertions object for the specified TestingT.
func New(t TestingT) *Assertions {
return &Assertions{
t: t,
}
}
//go:generate go run ../_codegen/main.go -output-package=assert -template=assertion_forward.go.tmpl

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vendor/github.com/stretchr/testify/assert/http_assertions.go сгенерированный поставляемый
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package assert
import (
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"strings"
)
// httpCode is a helper that returns HTTP code of the response. It returns -1
// if building a new request fails.
func httpCode(handler http.HandlerFunc, method, url string, values url.Values) int {
w := httptest.NewRecorder()
req, err := http.NewRequest(method, url+"?"+values.Encode(), nil)
if err != nil {
return -1
}
handler(w, req)
return w.Code
}
// HTTPSuccess asserts that a specified handler returns a success status code.
//
// assert.HTTPSuccess(t, myHandler, "POST", "http://www.google.com", nil)
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPSuccess(t TestingT, handler http.HandlerFunc, method, url string, values url.Values) bool {
code := httpCode(handler, method, url, values)
if code == -1 {
return false
}
return code >= http.StatusOK && code <= http.StatusPartialContent
}
// HTTPRedirect asserts that a specified handler returns a redirect status code.
//
// assert.HTTPRedirect(t, myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPRedirect(t TestingT, handler http.HandlerFunc, method, url string, values url.Values) bool {
code := httpCode(handler, method, url, values)
if code == -1 {
return false
}
return code >= http.StatusMultipleChoices && code <= http.StatusTemporaryRedirect
}
// HTTPError asserts that a specified handler returns an error status code.
//
// assert.HTTPError(t, myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPError(t TestingT, handler http.HandlerFunc, method, url string, values url.Values) bool {
code := httpCode(handler, method, url, values)
if code == -1 {
return false
}
return code >= http.StatusBadRequest
}
// HTTPBody is a helper that returns HTTP body of the response. It returns
// empty string if building a new request fails.
func HTTPBody(handler http.HandlerFunc, method, url string, values url.Values) string {
w := httptest.NewRecorder()
req, err := http.NewRequest(method, url+"?"+values.Encode(), nil)
if err != nil {
return ""
}
handler(w, req)
return w.Body.String()
}
// HTTPBodyContains asserts that a specified handler returns a
// body that contains a string.
//
// assert.HTTPBodyContains(t, myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyContains(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, str interface{}) bool {
body := HTTPBody(handler, method, url, values)
contains := strings.Contains(body, fmt.Sprint(str))
if !contains {
Fail(t, fmt.Sprintf("Expected response body for \"%s\" to contain \"%s\" but found \"%s\"", url+"?"+values.Encode(), str, body))
}
return contains
}
// HTTPBodyNotContains asserts that a specified handler returns a
// body that does not contain a string.
//
// assert.HTTPBodyNotContains(t, myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyNotContains(t TestingT, handler http.HandlerFunc, method, url string, values url.Values, str interface{}) bool {
body := HTTPBody(handler, method, url, values)
contains := strings.Contains(body, fmt.Sprint(str))
if contains {
Fail(t, "Expected response body for %s to NOT contain \"%s\" but found \"%s\"", url+"?"+values.Encode(), str, body)
}
return !contains
}

28
vendor/github.com/stretchr/testify/require/doc.go сгенерированный поставляемый
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// Package require implements the same assertions as the `assert` package but
// stops test execution when a test fails.
//
// Example Usage
//
// The following is a complete example using require in a standard test function:
// import (
// "testing"
// "github.com/stretchr/testify/require"
// )
//
// func TestSomething(t *testing.T) {
//
// var a string = "Hello"
// var b string = "Hello"
//
// require.Equal(t, a, b, "The two words should be the same.")
//
// }
//
// Assertions
//
// The `require` package have same global functions as in the `assert` package,
// but instead of returning a boolean result they call `t.FailNow()`.
//
// Every assertion function also takes an optional string message as the final argument,
// allowing custom error messages to be appended to the message the assertion method outputs.
package require

16
vendor/github.com/stretchr/testify/require/forward_requirements.go сгенерированный поставляемый
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@ -1,16 +0,0 @@
package require
// Assertions provides assertion methods around the
// TestingT interface.
type Assertions struct {
t TestingT
}
// New makes a new Assertions object for the specified TestingT.
func New(t TestingT) *Assertions {
return &Assertions{
t: t,
}
}
//go:generate go run ../_codegen/main.go -output-package=require -template=require_forward.go.tmpl

464
vendor/github.com/stretchr/testify/require/require.go сгенерированный поставляемый
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@ -1,464 +0,0 @@
/*
* CODE GENERATED AUTOMATICALLY WITH github.com/stretchr/testify/_codegen
* THIS FILE MUST NOT BE EDITED BY HAND
*/
package require
import (
assert "github.com/stretchr/testify/assert"
http "net/http"
url "net/url"
time "time"
)
// Condition uses a Comparison to assert a complex condition.
func Condition(t TestingT, comp assert.Comparison, msgAndArgs ...interface{}) {
if !assert.Condition(t, comp, msgAndArgs...) {
t.FailNow()
}
}
// Contains asserts that the specified string, list(array, slice...) or map contains the
// specified substring or element.
//
// assert.Contains(t, "Hello World", "World", "But 'Hello World' does contain 'World'")
// assert.Contains(t, ["Hello", "World"], "World", "But ["Hello", "World"] does contain 'World'")
// assert.Contains(t, {"Hello": "World"}, "Hello", "But {'Hello': 'World'} does contain 'Hello'")
//
// Returns whether the assertion was successful (true) or not (false).
func Contains(t TestingT, s interface{}, contains interface{}, msgAndArgs ...interface{}) {
if !assert.Contains(t, s, contains, msgAndArgs...) {
t.FailNow()
}
}
// Empty asserts that the specified object is empty. I.e. nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// assert.Empty(t, obj)
//
// Returns whether the assertion was successful (true) or not (false).
func Empty(t TestingT, object interface{}, msgAndArgs ...interface{}) {
if !assert.Empty(t, object, msgAndArgs...) {
t.FailNow()
}
}
// Equal asserts that two objects are equal.
//
// assert.Equal(t, 123, 123, "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func Equal(t TestingT, expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
if !assert.Equal(t, expected, actual, msgAndArgs...) {
t.FailNow()
}
}
// EqualError asserts that a function returned an error (i.e. not `nil`)
// and that it is equal to the provided error.
//
// actualObj, err := SomeFunction()
// if assert.Error(t, err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func EqualError(t TestingT, theError error, errString string, msgAndArgs ...interface{}) {
if !assert.EqualError(t, theError, errString, msgAndArgs...) {
t.FailNow()
}
}
// EqualValues asserts that two objects are equal or convertable to the same types
// and equal.
//
// assert.EqualValues(t, uint32(123), int32(123), "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func EqualValues(t TestingT, expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
if !assert.EqualValues(t, expected, actual, msgAndArgs...) {
t.FailNow()
}
}
// Error asserts that a function returned an error (i.e. not `nil`).
//
// actualObj, err := SomeFunction()
// if assert.Error(t, err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func Error(t TestingT, err error, msgAndArgs ...interface{}) {
if !assert.Error(t, err, msgAndArgs...) {
t.FailNow()
}
}
// Exactly asserts that two objects are equal is value and type.
//
// assert.Exactly(t, int32(123), int64(123), "123 and 123 should NOT be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func Exactly(t TestingT, expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
if !assert.Exactly(t, expected, actual, msgAndArgs...) {
t.FailNow()
}
}
// Fail reports a failure through
func Fail(t TestingT, failureMessage string, msgAndArgs ...interface{}) {
if !assert.Fail(t, failureMessage, msgAndArgs...) {
t.FailNow()
}
}
// FailNow fails test
func FailNow(t TestingT, failureMessage string, msgAndArgs ...interface{}) {
if !assert.FailNow(t, failureMessage, msgAndArgs...) {
t.FailNow()
}
}
// False asserts that the specified value is false.
//
// assert.False(t, myBool, "myBool should be false")
//
// Returns whether the assertion was successful (true) or not (false).
func False(t TestingT, value bool, msgAndArgs ...interface{}) {
if !assert.False(t, value, msgAndArgs...) {
t.FailNow()
}
}
// HTTPBodyContains asserts that a specified handler returns a
// body that contains a string.
//
// assert.HTTPBodyContains(t, myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyContains(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {
if !assert.HTTPBodyContains(t, handler, method, url, values, str) {
t.FailNow()
}
}
// HTTPBodyNotContains asserts that a specified handler returns a
// body that does not contain a string.
//
// assert.HTTPBodyNotContains(t, myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPBodyNotContains(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {
if !assert.HTTPBodyNotContains(t, handler, method, url, values, str) {
t.FailNow()
}
}
// HTTPError asserts that a specified handler returns an error status code.
//
// assert.HTTPError(t, myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPError(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values) {
if !assert.HTTPError(t, handler, method, url, values) {
t.FailNow()
}
}
// HTTPRedirect asserts that a specified handler returns a redirect status code.
//
// assert.HTTPRedirect(t, myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPRedirect(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values) {
if !assert.HTTPRedirect(t, handler, method, url, values) {
t.FailNow()
}
}
// HTTPSuccess asserts that a specified handler returns a success status code.
//
// assert.HTTPSuccess(t, myHandler, "POST", "http://www.google.com", nil)
//
// Returns whether the assertion was successful (true) or not (false).
func HTTPSuccess(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values) {
if !assert.HTTPSuccess(t, handler, method, url, values) {
t.FailNow()
}
}
// Implements asserts that an object is implemented by the specified interface.
//
// assert.Implements(t, (*MyInterface)(nil), new(MyObject), "MyObject")
func Implements(t TestingT, interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) {
if !assert.Implements(t, interfaceObject, object, msgAndArgs...) {
t.FailNow()
}
}
// InDelta asserts that the two numerals are within delta of each other.
//
// assert.InDelta(t, math.Pi, (22 / 7.0), 0.01)
//
// Returns whether the assertion was successful (true) or not (false).
func InDelta(t TestingT, expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
if !assert.InDelta(t, expected, actual, delta, msgAndArgs...) {
t.FailNow()
}
}
// InDeltaSlice is the same as InDelta, except it compares two slices.
func InDeltaSlice(t TestingT, expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
if !assert.InDeltaSlice(t, expected, actual, delta, msgAndArgs...) {
t.FailNow()
}
}
// InEpsilon asserts that expected and actual have a relative error less than epsilon
//
// Returns whether the assertion was successful (true) or not (false).
func InEpsilon(t TestingT, expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) {
if !assert.InEpsilon(t, expected, actual, epsilon, msgAndArgs...) {
t.FailNow()
}
}
// InEpsilonSlice is the same as InEpsilon, except it compares two slices.
func InEpsilonSlice(t TestingT, expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
if !assert.InEpsilonSlice(t, expected, actual, delta, msgAndArgs...) {
t.FailNow()
}
}
// IsType asserts that the specified objects are of the same type.
func IsType(t TestingT, expectedType interface{}, object interface{}, msgAndArgs ...interface{}) {
if !assert.IsType(t, expectedType, object, msgAndArgs...) {
t.FailNow()
}
}
// JSONEq asserts that two JSON strings are equivalent.
//
// assert.JSONEq(t, `{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)
//
// Returns whether the assertion was successful (true) or not (false).
func JSONEq(t TestingT, expected string, actual string, msgAndArgs ...interface{}) {
if !assert.JSONEq(t, expected, actual, msgAndArgs...) {
t.FailNow()
}
}
// Len asserts that the specified object has specific length.
// Len also fails if the object has a type that len() not accept.
//
// assert.Len(t, mySlice, 3, "The size of slice is not 3")
//
// Returns whether the assertion was successful (true) or not (false).
func Len(t TestingT, object interface{}, length int, msgAndArgs ...interface{}) {
if !assert.Len(t, object, length, msgAndArgs...) {
t.FailNow()
}
}
// Nil asserts that the specified object is nil.
//
// assert.Nil(t, err, "err should be nothing")
//
// Returns whether the assertion was successful (true) or not (false).
func Nil(t TestingT, object interface{}, msgAndArgs ...interface{}) {
if !assert.Nil(t, object, msgAndArgs...) {
t.FailNow()
}
}
// NoError asserts that a function returned no error (i.e. `nil`).
//
// actualObj, err := SomeFunction()
// if assert.NoError(t, err) {
// assert.Equal(t, actualObj, expectedObj)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func NoError(t TestingT, err error, msgAndArgs ...interface{}) {
if !assert.NoError(t, err, msgAndArgs...) {
t.FailNow()
}
}
// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the
// specified substring or element.
//
// assert.NotContains(t, "Hello World", "Earth", "But 'Hello World' does NOT contain 'Earth'")
// assert.NotContains(t, ["Hello", "World"], "Earth", "But ['Hello', 'World'] does NOT contain 'Earth'")
// assert.NotContains(t, {"Hello": "World"}, "Earth", "But {'Hello': 'World'} does NOT contain 'Earth'")
//
// Returns whether the assertion was successful (true) or not (false).
func NotContains(t TestingT, s interface{}, contains interface{}, msgAndArgs ...interface{}) {
if !assert.NotContains(t, s, contains, msgAndArgs...) {
t.FailNow()
}
}
// NotEmpty asserts that the specified object is NOT empty. I.e. not nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// if assert.NotEmpty(t, obj) {
// assert.Equal(t, "two", obj[1])
// }
//
// Returns whether the assertion was successful (true) or not (false).
func NotEmpty(t TestingT, object interface{}, msgAndArgs ...interface{}) {
if !assert.NotEmpty(t, object, msgAndArgs...) {
t.FailNow()
}
}
// NotEqual asserts that the specified values are NOT equal.
//
// assert.NotEqual(t, obj1, obj2, "two objects shouldn't be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func NotEqual(t TestingT, expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
if !assert.NotEqual(t, expected, actual, msgAndArgs...) {
t.FailNow()
}
}
// NotNil asserts that the specified object is not nil.
//
// assert.NotNil(t, err, "err should be something")
//
// Returns whether the assertion was successful (true) or not (false).
func NotNil(t TestingT, object interface{}, msgAndArgs ...interface{}) {
if !assert.NotNil(t, object, msgAndArgs...) {
t.FailNow()
}
}
// NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic.
//
// assert.NotPanics(t, func(){
// RemainCalm()
// }, "Calling RemainCalm() should NOT panic")
//
// Returns whether the assertion was successful (true) or not (false).
func NotPanics(t TestingT, f assert.PanicTestFunc, msgAndArgs ...interface{}) {
if !assert.NotPanics(t, f, msgAndArgs...) {
t.FailNow()
}
}
// NotRegexp asserts that a specified regexp does not match a string.
//
// assert.NotRegexp(t, regexp.MustCompile("starts"), "it's starting")
// assert.NotRegexp(t, "^start", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func NotRegexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) {
if !assert.NotRegexp(t, rx, str, msgAndArgs...) {
t.FailNow()
}
}
// NotZero asserts that i is not the zero value for its type and returns the truth.
func NotZero(t TestingT, i interface{}, msgAndArgs ...interface{}) {
if !assert.NotZero(t, i, msgAndArgs...) {
t.FailNow()
}
}
// Panics asserts that the code inside the specified PanicTestFunc panics.
//
// assert.Panics(t, func(){
// GoCrazy()
// }, "Calling GoCrazy() should panic")
//
// Returns whether the assertion was successful (true) or not (false).
func Panics(t TestingT, f assert.PanicTestFunc, msgAndArgs ...interface{}) {
if !assert.Panics(t, f, msgAndArgs...) {
t.FailNow()
}
}
// Regexp asserts that a specified regexp matches a string.
//
// assert.Regexp(t, regexp.MustCompile("start"), "it's starting")
// assert.Regexp(t, "start...$", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func Regexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) {
if !assert.Regexp(t, rx, str, msgAndArgs...) {
t.FailNow()
}
}
// True asserts that the specified value is true.
//
// assert.True(t, myBool, "myBool should be true")
//
// Returns whether the assertion was successful (true) or not (false).
func True(t TestingT, value bool, msgAndArgs ...interface{}) {
if !assert.True(t, value, msgAndArgs...) {
t.FailNow()
}
}
// WithinDuration asserts that the two times are within duration delta of each other.
//
// assert.WithinDuration(t, time.Now(), time.Now(), 10*time.Second, "The difference should not be more than 10s")
//
// Returns whether the assertion was successful (true) or not (false).
func WithinDuration(t TestingT, expected time.Time, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) {
if !assert.WithinDuration(t, expected, actual, delta, msgAndArgs...) {
t.FailNow()
}
}
// Zero asserts that i is the zero value for its type and returns the truth.
func Zero(t TestingT, i interface{}, msgAndArgs ...interface{}) {
if !assert.Zero(t, i, msgAndArgs...) {
t.FailNow()
}
}

6
vendor/github.com/stretchr/testify/require/require.go.tmpl сгенерированный поставляемый
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@ -1,6 +0,0 @@
{{.Comment}}
func {{.DocInfo.Name}}(t TestingT, {{.Params}}) {
if !assert.{{.DocInfo.Name}}(t, {{.ForwardedParams}}) {
t.FailNow()
}
}

388
vendor/github.com/stretchr/testify/require/require_forward.go сгенерированный поставляемый
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@ -1,388 +0,0 @@
/*
* CODE GENERATED AUTOMATICALLY WITH github.com/stretchr/testify/_codegen
* THIS FILE MUST NOT BE EDITED BY HAND
*/
package require
import (
assert "github.com/stretchr/testify/assert"
http "net/http"
url "net/url"
time "time"
)
// Condition uses a Comparison to assert a complex condition.
func (a *Assertions) Condition(comp assert.Comparison, msgAndArgs ...interface{}) {
Condition(a.t, comp, msgAndArgs...)
}
// Contains asserts that the specified string, list(array, slice...) or map contains the
// specified substring or element.
//
// a.Contains("Hello World", "World", "But 'Hello World' does contain 'World'")
// a.Contains(["Hello", "World"], "World", "But ["Hello", "World"] does contain 'World'")
// a.Contains({"Hello": "World"}, "Hello", "But {'Hello': 'World'} does contain 'Hello'")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Contains(s interface{}, contains interface{}, msgAndArgs ...interface{}) {
Contains(a.t, s, contains, msgAndArgs...)
}
// Empty asserts that the specified object is empty. I.e. nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// a.Empty(obj)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Empty(object interface{}, msgAndArgs ...interface{}) {
Empty(a.t, object, msgAndArgs...)
}
// Equal asserts that two objects are equal.
//
// a.Equal(123, 123, "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Equal(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
Equal(a.t, expected, actual, msgAndArgs...)
}
// EqualError asserts that a function returned an error (i.e. not `nil`)
// and that it is equal to the provided error.
//
// actualObj, err := SomeFunction()
// if assert.Error(t, err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) EqualError(theError error, errString string, msgAndArgs ...interface{}) {
EqualError(a.t, theError, errString, msgAndArgs...)
}
// EqualValues asserts that two objects are equal or convertable to the same types
// and equal.
//
// a.EqualValues(uint32(123), int32(123), "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) EqualValues(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
EqualValues(a.t, expected, actual, msgAndArgs...)
}
// Error asserts that a function returned an error (i.e. not `nil`).
//
// actualObj, err := SomeFunction()
// if a.Error(err, "An error was expected") {
// assert.Equal(t, err, expectedError)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Error(err error, msgAndArgs ...interface{}) {
Error(a.t, err, msgAndArgs...)
}
// Exactly asserts that two objects are equal is value and type.
//
// a.Exactly(int32(123), int64(123), "123 and 123 should NOT be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Exactly(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
Exactly(a.t, expected, actual, msgAndArgs...)
}
// Fail reports a failure through
func (a *Assertions) Fail(failureMessage string, msgAndArgs ...interface{}) {
Fail(a.t, failureMessage, msgAndArgs...)
}
// FailNow fails test
func (a *Assertions) FailNow(failureMessage string, msgAndArgs ...interface{}) {
FailNow(a.t, failureMessage, msgAndArgs...)
}
// False asserts that the specified value is false.
//
// a.False(myBool, "myBool should be false")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) False(value bool, msgAndArgs ...interface{}) {
False(a.t, value, msgAndArgs...)
}
// HTTPBodyContains asserts that a specified handler returns a
// body that contains a string.
//
// a.HTTPBodyContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPBodyContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {
HTTPBodyContains(a.t, handler, method, url, values, str)
}
// HTTPBodyNotContains asserts that a specified handler returns a
// body that does not contain a string.
//
// a.HTTPBodyNotContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPBodyNotContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {
HTTPBodyNotContains(a.t, handler, method, url, values, str)
}
// HTTPError asserts that a specified handler returns an error status code.
//
// a.HTTPError(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPError(handler http.HandlerFunc, method string, url string, values url.Values) {
HTTPError(a.t, handler, method, url, values)
}
// HTTPRedirect asserts that a specified handler returns a redirect status code.
//
// a.HTTPRedirect(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPRedirect(handler http.HandlerFunc, method string, url string, values url.Values) {
HTTPRedirect(a.t, handler, method, url, values)
}
// HTTPSuccess asserts that a specified handler returns a success status code.
//
// a.HTTPSuccess(myHandler, "POST", "http://www.google.com", nil)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) HTTPSuccess(handler http.HandlerFunc, method string, url string, values url.Values) {
HTTPSuccess(a.t, handler, method, url, values)
}
// Implements asserts that an object is implemented by the specified interface.
//
// a.Implements((*MyInterface)(nil), new(MyObject), "MyObject")
func (a *Assertions) Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) {
Implements(a.t, interfaceObject, object, msgAndArgs...)
}
// InDelta asserts that the two numerals are within delta of each other.
//
// a.InDelta(math.Pi, (22 / 7.0), 0.01)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) InDelta(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
InDelta(a.t, expected, actual, delta, msgAndArgs...)
}
// InDeltaSlice is the same as InDelta, except it compares two slices.
func (a *Assertions) InDeltaSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
InDeltaSlice(a.t, expected, actual, delta, msgAndArgs...)
}
// InEpsilon asserts that expected and actual have a relative error less than epsilon
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) InEpsilon(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) {
InEpsilon(a.t, expected, actual, epsilon, msgAndArgs...)
}
// InEpsilonSlice is the same as InEpsilon, except it compares two slices.
func (a *Assertions) InEpsilonSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {
InEpsilonSlice(a.t, expected, actual, delta, msgAndArgs...)
}
// IsType asserts that the specified objects are of the same type.
func (a *Assertions) IsType(expectedType interface{}, object interface{}, msgAndArgs ...interface{}) {
IsType(a.t, expectedType, object, msgAndArgs...)
}
// JSONEq asserts that two JSON strings are equivalent.
//
// a.JSONEq(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) JSONEq(expected string, actual string, msgAndArgs ...interface{}) {
JSONEq(a.t, expected, actual, msgAndArgs...)
}
// Len asserts that the specified object has specific length.
// Len also fails if the object has a type that len() not accept.
//
// a.Len(mySlice, 3, "The size of slice is not 3")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Len(object interface{}, length int, msgAndArgs ...interface{}) {
Len(a.t, object, length, msgAndArgs...)
}
// Nil asserts that the specified object is nil.
//
// a.Nil(err, "err should be nothing")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) {
Nil(a.t, object, msgAndArgs...)
}
// NoError asserts that a function returned no error (i.e. `nil`).
//
// actualObj, err := SomeFunction()
// if a.NoError(err) {
// assert.Equal(t, actualObj, expectedObj)
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NoError(err error, msgAndArgs ...interface{}) {
NoError(a.t, err, msgAndArgs...)
}
// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the
// specified substring or element.
//
// a.NotContains("Hello World", "Earth", "But 'Hello World' does NOT contain 'Earth'")
// a.NotContains(["Hello", "World"], "Earth", "But ['Hello', 'World'] does NOT contain 'Earth'")
// a.NotContains({"Hello": "World"}, "Earth", "But {'Hello': 'World'} does NOT contain 'Earth'")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotContains(s interface{}, contains interface{}, msgAndArgs ...interface{}) {
NotContains(a.t, s, contains, msgAndArgs...)
}
// NotEmpty asserts that the specified object is NOT empty. I.e. not nil, "", false, 0 or either
// a slice or a channel with len == 0.
//
// if a.NotEmpty(obj) {
// assert.Equal(t, "two", obj[1])
// }
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotEmpty(object interface{}, msgAndArgs ...interface{}) {
NotEmpty(a.t, object, msgAndArgs...)
}
// NotEqual asserts that the specified values are NOT equal.
//
// a.NotEqual(obj1, obj2, "two objects shouldn't be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotEqual(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
NotEqual(a.t, expected, actual, msgAndArgs...)
}
// NotNil asserts that the specified object is not nil.
//
// a.NotNil(err, "err should be something")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotNil(object interface{}, msgAndArgs ...interface{}) {
NotNil(a.t, object, msgAndArgs...)
}
// NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic.
//
// a.NotPanics(func(){
// RemainCalm()
// }, "Calling RemainCalm() should NOT panic")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotPanics(f assert.PanicTestFunc, msgAndArgs ...interface{}) {
NotPanics(a.t, f, msgAndArgs...)
}
// NotRegexp asserts that a specified regexp does not match a string.
//
// a.NotRegexp(regexp.MustCompile("starts"), "it's starting")
// a.NotRegexp("^start", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) NotRegexp(rx interface{}, str interface{}, msgAndArgs ...interface{}) {
NotRegexp(a.t, rx, str, msgAndArgs...)
}
// NotZero asserts that i is not the zero value for its type and returns the truth.
func (a *Assertions) NotZero(i interface{}, msgAndArgs ...interface{}) {
NotZero(a.t, i, msgAndArgs...)
}
// Panics asserts that the code inside the specified PanicTestFunc panics.
//
// a.Panics(func(){
// GoCrazy()
// }, "Calling GoCrazy() should panic")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Panics(f assert.PanicTestFunc, msgAndArgs ...interface{}) {
Panics(a.t, f, msgAndArgs...)
}
// Regexp asserts that a specified regexp matches a string.
//
// a.Regexp(regexp.MustCompile("start"), "it's starting")
// a.Regexp("start...$", "it's not starting")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) Regexp(rx interface{}, str interface{}, msgAndArgs ...interface{}) {
Regexp(a.t, rx, str, msgAndArgs...)
}
// True asserts that the specified value is true.
//
// a.True(myBool, "myBool should be true")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) True(value bool, msgAndArgs ...interface{}) {
True(a.t, value, msgAndArgs...)
}
// WithinDuration asserts that the two times are within duration delta of each other.
//
// a.WithinDuration(time.Now(), time.Now(), 10*time.Second, "The difference should not be more than 10s")
//
// Returns whether the assertion was successful (true) or not (false).
func (a *Assertions) WithinDuration(expected time.Time, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) {
WithinDuration(a.t, expected, actual, delta, msgAndArgs...)
}
// Zero asserts that i is the zero value for its type and returns the truth.
func (a *Assertions) Zero(i interface{}, msgAndArgs ...interface{}) {
Zero(a.t, i, msgAndArgs...)
}

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