зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.2 KiB
Rust
77 строки
2.2 KiB
Rust
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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use std::num;
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use failure::Fail;
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use http;
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use nserror::{
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nsresult, NS_ERROR_ILLEGAL_VALUE, NS_ERROR_INVALID_ARG, NS_ERROR_LAUNCHED_CHILD_PROCESS,
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NS_ERROR_NOT_AVAILABLE,
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};
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#[derive(Debug, Fail)]
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pub enum RemoteAgentError {
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#[fail(display = "expected address syntax [<host>]:<port>: {}", _0)]
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AddressSpec(http::uri::InvalidUri),
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#[fail(display = "may only be instantiated in parent process")]
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ChildProcess,
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#[fail(display = "conflicting flags --remote-debugger and --remote-debugging-port")]
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FlagConflict,
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#[fail(display = "invalid port: {}", _0)]
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InvalidPort(num::ParseIntError),
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#[fail(display = "listener restricted to loopback devices")]
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LoopbackRestricted,
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#[fail(display = "missing port number")]
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MissingPort,
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#[fail(display = "unavailable")]
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Unavailable,
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#[fail(display = "error result {}", _0)]
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XpCom(nsresult),
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}
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impl From<RemoteAgentError> for nsresult {
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fn from(err: RemoteAgentError) -> nsresult {
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use RemoteAgentError::*;
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match err {
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AddressSpec(_) | InvalidPort(_) => NS_ERROR_INVALID_ARG,
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ChildProcess => NS_ERROR_LAUNCHED_CHILD_PROCESS,
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LoopbackRestricted => NS_ERROR_ILLEGAL_VALUE,
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MissingPort | FlagConflict => NS_ERROR_INVALID_ARG,
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Unavailable => NS_ERROR_NOT_AVAILABLE,
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XpCom(result) => result,
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}
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}
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}
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impl From<num::ParseIntError> for RemoteAgentError {
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fn from(err: num::ParseIntError) -> Self {
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RemoteAgentError::InvalidPort(err)
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}
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}
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impl From<http::uri::InvalidUri> for RemoteAgentError {
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fn from(err: http::uri::InvalidUri) -> Self {
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RemoteAgentError::AddressSpec(err)
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}
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}
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impl From<nsresult> for RemoteAgentError {
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fn from(result: nsresult) -> Self {
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use RemoteAgentError::*;
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match result {
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NS_ERROR_NOT_AVAILABLE => Unavailable,
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NS_ERROR_LAUNCHED_CHILD_PROCESS => ChildProcess,
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x => RemoteAgentError::XpCom(x),
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}
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}
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}
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