forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			124 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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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#include "nsCommandLine.h"
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#include "mozilla/CmdLineAndEnvUtils.h"
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#include "WinRemoteMessage.h"
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using namespace mozilla;
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WinRemoteMessageSender::WinRemoteMessageSender(const char* aCommandLine)
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    : mData({static_cast<DWORD>(WinRemoteMessageVersion::CommandLineOnly)}),
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      mUtf8Buffer(aCommandLine) {
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  mUtf8Buffer.Append('\0');
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  char* mutableBuffer;
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  mData.cbData = mUtf8Buffer.GetMutableData(&mutableBuffer);
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  mData.lpData = mutableBuffer;
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}
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WinRemoteMessageSender::WinRemoteMessageSender(const char* aCommandLine,
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                                               const char* aWorkingDir)
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    : mData({static_cast<DWORD>(
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          WinRemoteMessageVersion::CommandLineAndWorkingDir)}),
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      mUtf8Buffer(aCommandLine) {
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  mUtf8Buffer.Append('\0');
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  mUtf8Buffer.Append(aWorkingDir);
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  mUtf8Buffer.Append('\0');
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  char* mutableBuffer;
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  mData.cbData = mUtf8Buffer.GetMutableData(&mutableBuffer);
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  mData.lpData = mutableBuffer;
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}
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WinRemoteMessageSender::WinRemoteMessageSender(const wchar_t* aCommandLine,
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                                               const wchar_t* aWorkingDir)
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    : mData({static_cast<DWORD>(
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          WinRemoteMessageVersion::CommandLineAndWorkingDirInUtf16)}),
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      mUtf16Buffer(aCommandLine) {
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  mUtf16Buffer.Append(u'\0');
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  mUtf16Buffer.Append(aWorkingDir);
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  mUtf16Buffer.Append(u'\0');
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  char16_t* mutableBuffer;
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  mData.cbData = mUtf16Buffer.GetMutableData(&mutableBuffer) * sizeof(char16_t);
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  mData.lpData = mutableBuffer;
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}
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COPYDATASTRUCT* WinRemoteMessageSender::CopyData() { return &mData; }
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nsresult WinRemoteMessageReceiver::ParseV0(const nsACString& aBuffer) {
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  CommandLineParserWin<char> parser;
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  parser.HandleCommandLine(aBuffer);
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  mCommandLine = new nsCommandLine();
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  return mCommandLine->Init(parser.Argc(), parser.Argv(), nullptr,
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                            nsICommandLine::STATE_REMOTE_AUTO);
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}
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nsresult WinRemoteMessageReceiver::ParseV1(const nsACString& aBuffer) {
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  CommandLineParserWin<char> parser;
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  size_t cch = parser.HandleCommandLine(aBuffer);
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  ++cch;  // skip a null char
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  nsCOMPtr<nsIFile> workingDir;
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  if (cch < aBuffer.Length()) {
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    NS_NewLocalFile(NS_ConvertUTF8toUTF16(Substring(aBuffer, cch)), false,
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                    getter_AddRefs(workingDir));
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  }
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  mCommandLine = new nsCommandLine();
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  return mCommandLine->Init(parser.Argc(), parser.Argv(), workingDir,
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                            nsICommandLine::STATE_REMOTE_AUTO);
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}
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nsresult WinRemoteMessageReceiver::ParseV2(const nsAString& aBuffer) {
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  CommandLineParserWin<char16_t> parser;
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  size_t cch = parser.HandleCommandLine(aBuffer);
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  ++cch;  // skip a null char
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  nsCOMPtr<nsIFile> workingDir;
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  if (cch < aBuffer.Length()) {
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    NS_NewLocalFile(Substring(aBuffer, cch), false, getter_AddRefs(workingDir));
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  }
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  int argc = parser.Argc();
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  Vector<nsAutoCString> utf8args;
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  if (!utf8args.reserve(argc)) {
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    return NS_ERROR_OUT_OF_MEMORY;
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  }
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  UniquePtr<const char*[]> argv(new const char*[argc]);
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  for (int i = 0; i < argc; ++i) {
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    utf8args.infallibleAppend(NS_ConvertUTF16toUTF8(parser.Argv()[i]));
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    argv[i] = utf8args[i].get();
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  }
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  mCommandLine = new nsCommandLine();
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  return mCommandLine->Init(argc, argv.get(), workingDir,
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                            nsICommandLine::STATE_REMOTE_AUTO);
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}
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nsresult WinRemoteMessageReceiver::Parse(const COPYDATASTRUCT* aMessageData) {
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  switch (static_cast<WinRemoteMessageVersion>(aMessageData->dwData)) {
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    case WinRemoteMessageVersion::CommandLineOnly:
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      return ParseV0(nsDependentCSubstring(
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          reinterpret_cast<char*>(aMessageData->lpData), aMessageData->cbData));
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    case WinRemoteMessageVersion::CommandLineAndWorkingDir:
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      return ParseV1(nsDependentCSubstring(
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          reinterpret_cast<char*>(aMessageData->lpData), aMessageData->cbData));
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    case WinRemoteMessageVersion::CommandLineAndWorkingDirInUtf16:
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      return ParseV2(nsDependentSubstring(
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          reinterpret_cast<char16_t*>(aMessageData->lpData),
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          aMessageData->cbData / sizeof(char16_t)));
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    default:
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      MOZ_ASSERT_UNREACHABLE("Unsupported message version");
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      return NS_ERROR_FAILURE;
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  }
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}
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nsICommandLineRunner* WinRemoteMessageReceiver::CommandLineRunner() {
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  return mCommandLine;
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}
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