command_line.h revision 3345a6884c488ff3a535c2c9acdd33d74b37e311
1c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// Use of this source code is governed by a BSD-style license that can be 3c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// found in the LICENSE file. 4c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 5c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// This class works with command lines: building and parsing. 6c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// Switches can optionally have a value attached using an equals sign, 7c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// as in "-switch=value". Arguments that aren't prefixed with a 8c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// switch prefix are saved as extra arguments. An argument of "--" 9c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// will terminate switch parsing, causing everything after to be 10c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// considered as extra arguments. 11c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 12c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// There is a singleton read-only CommandLine that represents the command 13c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// line that the current process was started with. It must be initialized 14c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// in main() (or whatever the platform's equivalent function is). 15c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 16c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#ifndef BASE_COMMAND_LINE_H_ 17c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#define BASE_COMMAND_LINE_H_ 183345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#pragma once 19c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 20c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include "build/build_config.h" 21c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 22c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include <map> 23c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include <string> 24c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include <vector> 25c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 26c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include "base/basictypes.h" 27c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 283345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickclass FilePath; 29c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottclass InProcessBrowserTest; 30c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 31c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottclass CommandLine { 32c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott public: 33c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // A constructor for CommandLines that are used only to carry arguments. 34c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott enum ArgumentsOnly { ARGUMENTS_ONLY }; 35c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott explicit CommandLine(ArgumentsOnly args_only); 36c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch ~CommandLine(); 37c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 38c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#if defined(OS_WIN) 39c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // The type of native command line arguments. 40c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch typedef std::wstring StringType; 41c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 42c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Initialize by parsing the given command-line string. 43c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // The program name is assumed to be the first item in the string. 44c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott void ParseFromString(const std::wstring& command_line); 453345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick static CommandLine FromString(const std::wstring& command_line); 46c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#elif defined(OS_POSIX) 47c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // The type of native command line arguments. 48c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch typedef std::string StringType; 49c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 50c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Initialize from an argv vector. 51c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott void InitFromArgv(int argc, const char* const* argv); 52c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott void InitFromArgv(const std::vector<std::string>& argv); 53c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 543345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick CommandLine(int argc, const char* const* argv); 553345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick explicit CommandLine(const std::vector<std::string>& argv); 56c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#endif 57c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 58c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Construct a new, empty command line. 59c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // |program| is the name of the program to run (aka argv[0]). 60c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott explicit CommandLine(const FilePath& program); 61c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 62c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Initialize the current process CommandLine singleton. On Windows, 63c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // ignores its arguments (we instead parse GetCommandLineW() 64c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // directly) because we don't trust the CRT's parsing of the command 65c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // line, but it still must be called to set up the command line. 66c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott static void Init(int argc, const char* const* argv); 67c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 68c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#if defined(OS_POSIX) && !defined(OS_MACOSX) 69c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Sets the current process' arguments that show in "ps" etc. to those 70c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // in |current_process_commandline_|. Used by the zygote host so that 71c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // renderers show up with --type=renderer. 72c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott static void SetProcTitle(); 73c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#endif 74c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 75c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Destroys the current process CommandLine singleton. This is necessary if 76c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // you want to reset the base library to its initial state (for example in an 77c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // outer library that needs to be able to terminate, and be re-initialized). 78c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // If Init is called only once, e.g. in main(), calling Reset() is not 79c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // necessary. 80c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott static void Reset(); 81c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 82c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Get the singleton CommandLine representing the current process's 83c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // command line. Note: returned value is mutable, but not thread safe; 84c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // only mutate if you know what you're doing! 853345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick static CommandLine* ForCurrentProcess(); 86c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 87c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns true if this command line contains the given switch. 88c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // (Switch names are case-insensitive.) 89c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott bool HasSwitch(const std::string& switch_string) const; 90c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 91c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns the value associated with the given switch. If the 92c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // switch has no value or isn't present, this method returns 93c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // the empty string. 943345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick std::string GetSwitchValueASCII(const std::string& switch_string) const; 953345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick FilePath GetSwitchValuePath(const std::string& switch_string) const; 963345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick StringType GetSwitchValueNative(const std::string& switch_string) const; 97c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 98c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Get the number of switches in this process. 99c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott size_t GetSwitchCount() const { return switches_.size(); } 100c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 101c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // The type of map for parsed-out switch key and values. 102c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch typedef std::map<std::string, StringType> SwitchMap; 103c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 104c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Get a copy of all switches, along with their values 1053345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick const SwitchMap& GetSwitches() const { 106c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return switches_; 107c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 108c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 109c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Get the remaining arguments to the command. 110c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const std::vector<StringType>& args() const { return args_; } 111c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 112c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#if defined(OS_WIN) 113c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns the original command line string. 114c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott const std::wstring& command_line_string() const { 115c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott return command_line_string_; 116c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott } 117c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#elif defined(OS_POSIX) 118c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns the original command line string as a vector of strings. 119c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott const std::vector<std::string>& argv() const { 120c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott return argv_; 121c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott } 122c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Try to match the same result as command_line_string() would get you 123c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // on windows. 124c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch std::string command_line_string() const; 125c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#endif 126c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 127c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns the program part of the command line string (the first item). 1283345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick FilePath GetProgram() const; 129c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 1303345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Append a switch to the command line. 131c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott void AppendSwitch(const std::string& switch_string); 132c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 1333345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Append a switch and value to the command line. 1343345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendSwitchPath(const std::string& switch_string, const FilePath& path); 1353345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendSwitchNative(const std::string& switch_string, 1363345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick const StringType& value); 1373345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendSwitchASCII(const std::string& switch_string, 1383345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick const std::string& value); 1393345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 1403345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Append an argument to the command line. 1413345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Note on quoting: the argument will be quoted properly such that it is 1423345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // interpreted as one argument to the target command. 1433345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // AppendArg is primarily for ASCII; non-ASCII input will be 1443345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // interpreted as UTF-8. 1453345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendArg(const std::string& value); 1463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendArgPath(const FilePath& value); 1473345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void AppendArgNative(const StringType& value); 148c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 149c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Append the arguments from another command line to this one. 150c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // If |include_program| is true, include |other|'s program as well. 151c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott void AppendArguments(const CommandLine& other, 152c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott bool include_program); 153c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 1543345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Insert a command before the current command. Common for debuggers, 1553345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // like "valgrind" or "gdb --args". 1563345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void PrependWrapper(const StringType& wrapper); 1573345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 1583345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Copy a set of switches (and their values, if any) from another command 1593345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // line. Commonly used when launching a subprocess. 1603345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick void CopySwitchesFrom(const CommandLine& source, const char* const switches[], 1613345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick size_t count); 1623345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 1633345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // APIs that work with wstrings are deprecated. 1643345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // TODO(evanm): remove all of these. 1653345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick std::wstring GetSwitchValue(const std::string& switch_string) const; 1663345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick std::wstring GetSwitchValue(const std::wstring& switch_string) const; 1673345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick std::wstring program() const; 1683345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#if defined(OS_WIN) 1693345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Deprecated on non-Windows. 1703345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick bool HasSwitch(const std::wstring& switch_string) const; 1713345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#endif 172c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 173c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott private: 174c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott friend class InProcessBrowserTest; 175c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 176c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch CommandLine(); 177c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 178c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Used by InProcessBrowserTest. 1793345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick static CommandLine* ForCurrentProcessMutable(); 180c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 181c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // The singleton CommandLine instance representing the current process's 182c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // command line. 183c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott static CommandLine* current_process_commandline_; 184c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 185c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // We store a platform-native version of the command line, used when building 186c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // up a new command line to be executed. This ifdef delimits that code. 187c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 188c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#if defined(OS_WIN) 189c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // The quoted, space-separated command-line string. 190c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott std::wstring command_line_string_; 191c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // The name of the program. 192c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott std::wstring program_; 193c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#elif defined(OS_POSIX) 194c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // The argv array, with the program name in argv_[0]. 195c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott std::vector<std::string> argv_; 196c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#endif 197c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 198c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Returns true and fills in |switch_string| and |switch_value| 199c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // if |parameter_string| represents a switch. 200c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott static bool IsSwitch(const StringType& parameter_string, 201c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott std::string* switch_string, 202c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott StringType* switch_value); 203c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 204c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Parsed-out values. 205c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch SwitchMap switches_; 206c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 207c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // Non-switch command-line arguments. 208c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch std::vector<StringType> args_; 209c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 210c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // We allow copy constructors, because a common pattern is to grab a 211c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // copy of the current process's command line and then add some 212c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // flags to it. E.g.: 213c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // CommandLine cl(*CommandLine::ForCurrentProcess()); 214c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott // cl.AppendSwitch(...); 215c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}; 216c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott 217c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#endif // BASE_COMMAND_LINE_H_ 218