chrome_frame/chrome_launcher.h

   1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_FRAME_CHROME_LAUNCHER_H_
   6 #define CHROME_FRAME_CHROME_LAUNCHER_H_
   7
   8 #include <string>
   9
  10 // arraysize macro shamelessly stolen from base\basictypes.h
  11 template <typename T, size_t N>
  12 char (&ArraySizeHelper(T (&array)[N]))[N];
  13
  14 #define arraysize(array) (sizeof(ArraySizeHelper(array)))
  15
  16 namespace chrome_launcher {
  17
  18 // The base name of the chrome_launcher.exe file.
  19 extern const wchar_t kLauncherExeBaseName[];
  20
  21 // Returns true if command_line contains only flags that we allow through.
  22 // Returns false if command_line contains any unrecognized flags.
  23 bool IsValidCommandLine(const wchar_t* command_line);
  24
  25 // Given a command-line without an initial program part, launch our associated
  26 // chrome.exe with a sanitized version of that command line. Returns true iff
  27 // successful.
  28 bool SanitizeAndLaunchChrome(const wchar_t* command_line);
  29
  30 // Returns a pointer to the position in command_line the string right after the
  31 // name of the executable. This is equivalent to the second element of the
  32 // array returned by CommandLineToArgvW. Returns NULL if there are no further
  33 // arguments.
  34 const wchar_t* GetArgumentsStart(const wchar_t* command_line);
  35
  36 // Returns the full path to the Chrome executable.
  37 bool GetChromeExecutablePath(std::wstring* chrome_path);
  38
  39 // Returns whether a given argument is considered a valid flag. Only accepts
  40 // flags of the forms:
  41 //   --foo
  42 //   --foo=bar
  43 bool IsValidArgument(const std::wstring& argument);
  44
  45 // Returns a string that is equivalent in input_str without any leading
  46 // or trailing whitespace. Returns an empty string if input_str contained only
  47 // whitespace.
  48 std::wstring TrimWhiteSpace(const wchar_t* input_str);
  49
  50 }  // namespace chrome_launcher
  51
  52 #endif  // CHROME_FRAME_CHROME_LAUNCHER_H_