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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This class works with command lines: building and parsing. | 5 // This class works with command lines: building and parsing. |
6 // Switches can optionally have a value attached using an equals sign, | 6 // Switches can optionally have a value attached using an equals sign, |
7 // as in "-switch=value". Arguments that aren't prefixed with a | 7 // as in "-switch=value". Arguments that aren't prefixed with a |
8 // switch prefix are saved as extra arguments. An argument of "--" | 8 // switch prefix are saved as extra arguments. An argument of "--" |
9 // will terminate switch parsing, causing everything after to be | 9 // will terminate switch parsing, causing everything after to be |
10 // considered as extra arguments. | 10 // considered as extra arguments. |
11 | 11 |
12 // There is a singleton read-only CommandLine that represents the command | 12 // There is a singleton read-only CommandLine that represents the command |
13 // line that the current process was started with. It must be initialized | 13 // line that the current process was started with. It must be initialized |
14 // in main() (or whatever the platform's equivalent function is). | 14 // in main() (or whatever the platform's equivalent function is). |
15 | 15 |
16 #ifndef BASE_COMMAND_LINE_H_ | 16 #ifndef BASE_COMMAND_LINE_H_ |
17 #define BASE_COMMAND_LINE_H_ | 17 #define BASE_COMMAND_LINE_H_ |
18 #pragma once | 18 #pragma once |
19 | 19 |
20 #include "build/build_config.h" | |
21 | |
22 #include <map> | 20 #include <map> |
23 #include <string> | 21 #include <string> |
24 #include <vector> | 22 #include <vector> |
25 | 23 |
26 #include "base/basictypes.h" | 24 #include "base/basictypes.h" |
| 25 #include "build/build_config.h" |
27 | 26 |
28 class FilePath; | 27 class FilePath; |
29 class InProcessBrowserTest; | 28 class InProcessBrowserTest; |
30 | 29 |
31 class CommandLine { | 30 class CommandLine { |
32 public: | 31 public: |
33 // A constructor for CommandLines that are used only to carry switches and | 32 // A constructor for CommandLines that are used only to carry switches and |
34 // arguments. | 33 // arguments. |
35 enum NoProgram { NO_PROGRAM }; | 34 enum NoProgram { NO_PROGRAM }; |
36 explicit CommandLine(NoProgram no_program); | 35 explicit CommandLine(NoProgram no_program); |
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59 // Construct a new, empty command line. | 58 // Construct a new, empty command line. |
60 // |program| is the name of the program to run (aka argv[0]). | 59 // |program| is the name of the program to run (aka argv[0]). |
61 explicit CommandLine(const FilePath& program); | 60 explicit CommandLine(const FilePath& program); |
62 | 61 |
63 // Initialize the current process CommandLine singleton. On Windows, | 62 // Initialize the current process CommandLine singleton. On Windows, |
64 // ignores its arguments (we instead parse GetCommandLineW() | 63 // ignores its arguments (we instead parse GetCommandLineW() |
65 // directly) because we don't trust the CRT's parsing of the command | 64 // directly) because we don't trust the CRT's parsing of the command |
66 // line, but it still must be called to set up the command line. | 65 // line, but it still must be called to set up the command line. |
67 static void Init(int argc, const char* const* argv); | 66 static void Init(int argc, const char* const* argv); |
68 | 67 |
69 #if defined(OS_POSIX) && !defined(OS_MACOSX) | |
70 // Sets the current process' arguments that show in "ps" etc. to those | |
71 // in |current_process_commandline_|. Used by the zygote host so that | |
72 // renderers show up with --type=renderer. | |
73 static void SetProcTitle(); | |
74 #endif | |
75 | |
76 // Destroys the current process CommandLine singleton. This is necessary if | 68 // Destroys the current process CommandLine singleton. This is necessary if |
77 // you want to reset the base library to its initial state (for example in an | 69 // you want to reset the base library to its initial state (for example in an |
78 // outer library that needs to be able to terminate, and be re-initialized). | 70 // outer library that needs to be able to terminate, and be re-initialized). |
79 // If Init is called only once, e.g. in main(), calling Reset() is not | 71 // If Init is called only once, e.g. in main(), calling Reset() is not |
80 // necessary. | 72 // necessary. |
81 static void Reset(); | 73 static void Reset(); |
82 | 74 |
83 // Get the singleton CommandLine representing the current process's | 75 // Get the singleton CommandLine representing the current process's |
84 // command line. Note: returned value is mutable, but not thread safe; | 76 // command line. Note: returned value is mutable, but not thread safe; |
85 // only mutate if you know what you're doing! | 77 // only mutate if you know what you're doing! |
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199 std::vector<StringType> args_; | 191 std::vector<StringType> args_; |
200 | 192 |
201 // We allow copy constructors, because a common pattern is to grab a | 193 // We allow copy constructors, because a common pattern is to grab a |
202 // copy of the current process's command line and then add some | 194 // copy of the current process's command line and then add some |
203 // flags to it. E.g.: | 195 // flags to it. E.g.: |
204 // CommandLine cl(*CommandLine::ForCurrentProcess()); | 196 // CommandLine cl(*CommandLine::ForCurrentProcess()); |
205 // cl.AppendSwitch(...); | 197 // cl.AppendSwitch(...); |
206 }; | 198 }; |
207 | 199 |
208 #endif // BASE_COMMAND_LINE_H_ | 200 #endif // BASE_COMMAND_LINE_H_ |
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