зеркало из https://github.com/mozilla/gecko-dev.git
387 строки
8.4 KiB
C++
387 строки
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsCRTGlue.h"
|
|
#include "nsXPCOM.h"
|
|
#include "nsDebug.h"
|
|
#include "prtime.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
|
|
#ifdef XP_WIN
|
|
#include <io.h>
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#ifdef ANDROID
|
|
#include <android/log.h>
|
|
#endif
|
|
|
|
const char*
|
|
NS_strspnp(const char* aDelims, const char* aStr)
|
|
{
|
|
const char* d;
|
|
do {
|
|
for (d = aDelims; *d != '\0'; ++d) {
|
|
if (*aStr == *d) {
|
|
++aStr;
|
|
break;
|
|
}
|
|
}
|
|
} while (*d);
|
|
|
|
return aStr;
|
|
}
|
|
|
|
char*
|
|
NS_strtok(const char* aDelims, char** aStr)
|
|
{
|
|
if (!*aStr) {
|
|
return nullptr;
|
|
}
|
|
|
|
char* ret = (char*)NS_strspnp(aDelims, *aStr);
|
|
|
|
if (!*ret) {
|
|
*aStr = ret;
|
|
return nullptr;
|
|
}
|
|
|
|
char* i = ret;
|
|
do {
|
|
for (const char* d = aDelims; *d != '\0'; ++d) {
|
|
if (*i == *d) {
|
|
*i = '\0';
|
|
*aStr = ++i;
|
|
return ret;
|
|
}
|
|
}
|
|
++i;
|
|
} while (*i);
|
|
|
|
*aStr = nullptr;
|
|
return ret;
|
|
}
|
|
|
|
uint32_t
|
|
NS_strlen(const char16_t* aString)
|
|
{
|
|
const char16_t* end;
|
|
|
|
for (end = aString; *end; ++end) {
|
|
// empty loop
|
|
}
|
|
|
|
return end - aString;
|
|
}
|
|
|
|
int
|
|
NS_strcmp(const char16_t* aStrA, const char16_t* aStrB)
|
|
{
|
|
while (*aStrB) {
|
|
int r = *aStrA - *aStrB;
|
|
if (r) {
|
|
return r;
|
|
}
|
|
|
|
++aStrA;
|
|
++aStrB;
|
|
}
|
|
|
|
return *aStrA != '\0';
|
|
}
|
|
|
|
char16_t*
|
|
NS_strdup(const char16_t* aString)
|
|
{
|
|
uint32_t len = NS_strlen(aString);
|
|
return NS_strndup(aString, len);
|
|
}
|
|
|
|
char16_t*
|
|
NS_strndup(const char16_t* aString, uint32_t aLen)
|
|
{
|
|
char16_t* newBuf = (char16_t*)NS_Alloc((aLen + 1) * sizeof(char16_t));
|
|
if (newBuf) {
|
|
memcpy(newBuf, aString, aLen * sizeof(char16_t));
|
|
newBuf[aLen] = '\0';
|
|
}
|
|
return newBuf;
|
|
}
|
|
|
|
char*
|
|
NS_strdup(const char* aString)
|
|
{
|
|
uint32_t len = strlen(aString);
|
|
char* str = (char*)NS_Alloc(len + 1);
|
|
if (str) {
|
|
memcpy(str, aString, len);
|
|
str[len] = '\0';
|
|
}
|
|
return str;
|
|
}
|
|
|
|
// This table maps uppercase characters to lower case characters;
|
|
// characters that are neither upper nor lower case are unaffected.
|
|
const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
64,
|
|
|
|
// upper band mapped to lower [A-Z] => [a-z]
|
|
97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
|
|
112,113,114,115,116,117,118,119,120,121,122,
|
|
|
|
91, 92, 93, 94, 95,
|
|
96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
|
|
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
|
|
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
|
|
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
|
|
160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
|
|
176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
|
|
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
|
|
208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
|
|
224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
|
|
240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
|
|
};
|
|
|
|
const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
|
|
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
|
|
96,
|
|
|
|
// lower band mapped to upper [a-z] => [A-Z]
|
|
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
|
|
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
|
|
|
|
123,124,125,126,127,
|
|
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
|
|
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
|
|
160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
|
|
176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
|
|
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
|
|
208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
|
|
224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
|
|
240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
|
|
};
|
|
|
|
bool
|
|
NS_IsUpper(char aChar)
|
|
{
|
|
return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
|
|
}
|
|
|
|
bool
|
|
NS_IsLower(char aChar)
|
|
{
|
|
return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
|
|
}
|
|
|
|
bool
|
|
NS_IsAscii(char16_t aChar)
|
|
{
|
|
return (0x0080 > aChar);
|
|
}
|
|
|
|
bool
|
|
NS_IsAscii(const char16_t* aString)
|
|
{
|
|
while (*aString) {
|
|
if (0x0080 <= *aString) {
|
|
return false;
|
|
}
|
|
aString++;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
NS_IsAscii(const char* aString)
|
|
{
|
|
while (*aString) {
|
|
if (0x80 & *aString) {
|
|
return false;
|
|
}
|
|
aString++;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
NS_IsAscii(const char* aString, uint32_t aLength)
|
|
{
|
|
const char* end = aString + aLength;
|
|
while (aString < end) {
|
|
if (0x80 & *aString) {
|
|
return false;
|
|
}
|
|
++aString;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
NS_IsAsciiAlpha(char16_t aChar)
|
|
{
|
|
return (aChar >= 'A' && aChar <= 'Z') ||
|
|
(aChar >= 'a' && aChar <= 'z');
|
|
}
|
|
|
|
bool
|
|
NS_IsAsciiWhitespace(char16_t aChar)
|
|
{
|
|
return aChar == ' ' ||
|
|
aChar == '\r' ||
|
|
aChar == '\n' ||
|
|
aChar == '\t';
|
|
}
|
|
|
|
bool
|
|
NS_IsAsciiDigit(char16_t aChar)
|
|
{
|
|
return aChar >= '0' && aChar <= '9';
|
|
}
|
|
|
|
|
|
#ifndef XPCOM_GLUE_AVOID_NSPR
|
|
#define TABLE_SIZE 36
|
|
static const char table[] = {
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
|
|
'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
|
|
'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
|
|
'4', '5', '6', '7', '8', '9'
|
|
};
|
|
|
|
void
|
|
NS_MakeRandomString(char* aBuf, int32_t aBufLen)
|
|
{
|
|
// turn PR_Now() into milliseconds since epoch
|
|
// and salt rand with that.
|
|
static unsigned int seed = 0;
|
|
if (seed == 0) {
|
|
double fpTime = double(PR_Now());
|
|
seed = (unsigned int)(fpTime * 1e-6 + 0.5); // use 1e-6, granularity of PR_Now() on the mac is seconds
|
|
srand(seed);
|
|
}
|
|
|
|
int32_t i;
|
|
for (i = 0; i < aBufLen; ++i) {
|
|
*aBuf++ = table[rand() % TABLE_SIZE];
|
|
}
|
|
*aBuf = 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
static StderrCallback sStderrCallback = nullptr;
|
|
|
|
void
|
|
set_stderr_callback(StderrCallback aCallback)
|
|
{
|
|
sStderrCallback = aCallback;
|
|
}
|
|
|
|
#ifdef HAVE_VA_COPY
|
|
#define VARARGS_ASSIGN(foo, bar) VA_COPY(foo,bar)
|
|
#elif defined(HAVE_VA_LIST_AS_ARRAY)
|
|
#define VARARGS_ASSIGN(foo, bar) foo[0] = bar[0]
|
|
#else
|
|
#define VARARGS_ASSIGN(foo, bar) (foo) = (bar)
|
|
#endif
|
|
|
|
#if defined(XP_WIN)
|
|
|
|
void
|
|
vprintf_stderr(const char* aFmt, va_list aArgs)
|
|
{
|
|
if (sStderrCallback) {
|
|
va_list argsCpy;
|
|
VARARGS_ASSIGN(argsCpy, aArgs);
|
|
sStderrCallback(aFmt, aArgs);
|
|
va_end(argsCpy);
|
|
}
|
|
|
|
if (IsDebuggerPresent()) {
|
|
char buf[2048];
|
|
va_list argsCpy;
|
|
VARARGS_ASSIGN(argsCpy, aArgs);
|
|
vsnprintf(buf, sizeof(buf), aFmt, argsCpy);
|
|
buf[sizeof(buf) - 1] = '\0';
|
|
va_end(argsCpy);
|
|
OutputDebugStringA(buf);
|
|
}
|
|
|
|
FILE* fp = _fdopen(_dup(2), "a");
|
|
if (!fp) {
|
|
return;
|
|
}
|
|
|
|
vfprintf(fp, aFmt, aArgs);
|
|
|
|
fclose(fp);
|
|
}
|
|
|
|
#elif defined(ANDROID)
|
|
void
|
|
vprintf_stderr(const char* aFmt, va_list aArgs)
|
|
{
|
|
if (sStderrCallback) {
|
|
va_list argsCpy;
|
|
VARARGS_ASSIGN(argsCpy, aArgs);
|
|
sStderrCallback(aFmt, aArgs);
|
|
va_end(argsCpy);
|
|
}
|
|
|
|
__android_log_vprint(ANDROID_LOG_INFO, "Gecko", aFmt, aArgs);
|
|
}
|
|
#else
|
|
void
|
|
vprintf_stderr(const char* aFmt, va_list aArgs)
|
|
{
|
|
if (sStderrCallback) {
|
|
va_list argsCpy;
|
|
VARARGS_ASSIGN(argsCpy, aArgs);
|
|
sStderrCallback(aFmt, aArgs);
|
|
va_end(argsCpy);
|
|
}
|
|
|
|
vfprintf(stderr, aFmt, aArgs);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
printf_stderr(const char* aFmt, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, aFmt);
|
|
vprintf_stderr(aFmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
void
|
|
fprintf_stderr(FILE* aFile, const char* aFmt, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, aFmt);
|
|
if (aFile == stderr) {
|
|
vprintf_stderr(aFmt, args);
|
|
} else {
|
|
vfprintf(aFile, aFmt, args);
|
|
}
|
|
va_end(args);
|
|
}
|
|
|
|
|