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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef __WinRemoteMessage_h__
#define __WinRemoteMessage_h__
#include <windows.h>
#include "nsICommandLineRunner.h"
#include "nsCOMPtr.h"
#include "nsString.h"
// This version defines the format of COPYDATASTRUCT::lpData in a message of
// WM_COPYDATA.
// Always use the latest version for production use because the older versions
// have a bug that a non-ascii character in a utf-8 message cannot be parsed
// correctly (bug 1650637). We keep the older versions for backward
// compatibility and the testing purpose only.
enum class WinRemoteMessageVersion : uint32_t {
// "<CommandLine>\0" in utf8
CommandLineOnly = 0,
// "<CommandLine>\0<WorkingDir>\0" in utf8
CommandLineAndWorkingDir,
// L"<CommandLine>\0<WorkingDir>\0" in utf16
CommandLineAndWorkingDirInUtf16,
};
class WinRemoteMessageSender final {
COPYDATASTRUCT mData;
nsAutoString mUtf16Buffer;
nsAutoCString mUtf8Buffer;
public:
WinRemoteMessageSender(const wchar_t* aCommandLine,
const wchar_t* aWorkingDir);
WinRemoteMessageSender(const WinRemoteMessageSender&) = delete;
WinRemoteMessageSender(WinRemoteMessageSender&&) = delete;
WinRemoteMessageSender& operator=(const WinRemoteMessageSender&) = delete;
WinRemoteMessageSender& operator=(WinRemoteMessageSender&&) = delete;
COPYDATASTRUCT* CopyData();
// Constructors for the old formats. Testing purpose only.
explicit WinRemoteMessageSender(const char* aCommandLine);
WinRemoteMessageSender(const char* aCommandLine, const char* aWorkingDir);
};
class WinRemoteMessageReceiver final {
nsCOMPtr<nsICommandLineRunner> mCommandLine;
nsresult ParseV0(const nsACString& aBuffer);
nsresult ParseV1(const nsACString& aBuffer);
nsresult ParseV2(const nsAString& aBuffer);
public:
WinRemoteMessageReceiver() = default;
WinRemoteMessageReceiver(const WinRemoteMessageReceiver&) = delete;
WinRemoteMessageReceiver(WinRemoteMessageReceiver&&) = delete;
WinRemoteMessageReceiver& operator=(const WinRemoteMessageReceiver&) = delete;
WinRemoteMessageReceiver& operator=(WinRemoteMessageReceiver&&) = delete;
nsresult Parse(const COPYDATASTRUCT* aMessageData);
nsICommandLineRunner* CommandLineRunner();
};
#endif // __WinRemoteMessage_h__
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