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Issue 2481423002: Convert gn docstrings to C++11 raw strings. (Closed)
Patch Set: Fixes Created 4 years, 1 month ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 #include <iostream> 5 #include <iostream>
6 #include <sstream> 6 #include <sstream>
7 7
8 #include "base/files/file_util.h" 8 #include "base/files/file_util.h"
9 #include "base/strings/string_split.h" 9 #include "base/strings/string_split.h"
10 #include "base/strings/string_util.h" 10 #include "base/strings/string_util.h"
11 #include "base/strings/utf_string_conversions.h" 11 #include "base/strings/utf_string_conversions.h"
12 #include "build/build_config.h" 12 #include "build/build_config.h"
13 #include "tools/gn/err.h" 13 #include "tools/gn/err.h"
14 #include "tools/gn/filesystem_utils.h" 14 #include "tools/gn/filesystem_utils.h"
15 #include "tools/gn/functions.h" 15 #include "tools/gn/functions.h"
16 #include "tools/gn/input_file.h" 16 #include "tools/gn/input_file.h"
17 #include "tools/gn/parse_tree.h" 17 #include "tools/gn/parse_tree.h"
18 #include "tools/gn/scheduler.h" 18 #include "tools/gn/scheduler.h"
19 19
20 namespace functions { 20 namespace functions {
21 21
22 const char kWriteFile[] = "write_file"; 22 const char kWriteFile[] = "write_file";
23 const char kWriteFile_HelpShort[] = 23 const char kWriteFile_HelpShort[] =
24 "write_file: Write a file to disk."; 24 "write_file: Write a file to disk.";
25 const char kWriteFile_Help[] = 25 const char kWriteFile_Help[] =
26 "write_file: Write a file to disk.\n" 26 R"(write_file: Write a file to disk.
27 "\n" 27
28 " write_file(filename, data)\n" 28 write_file(filename, data)
29 "\n" 29
30 " If data is a list, the list will be written one-item-per-line with no\n" 30 If data is a list, the list will be written one-item-per-line with no quoting
31 " quoting or brackets.\n" 31 or brackets.
32 "\n" 32
33 " If the file exists and the contents are identical to that being\n" 33 If the file exists and the contents are identical to that being written, the
34 " written, the file will not be updated. This will prevent unnecessary\n" 34 file will not be updated. This will prevent unnecessary rebuilds of targets
35 " rebuilds of targets that depend on this file.\n" 35 that depend on this file.
36 "\n" 36
37 " One use for write_file is to write a list of inputs to an script\n" 37 One use for write_file is to write a list of inputs to an script that might
38 " that might be too long for the command line. However, it is\n" 38 be too long for the command line. However, it is preferrable to use response
39 " preferrable to use response files for this purpose. See\n" 39 files for this purpose. See "gn help response_file_contents".
40 " \"gn help response_file_contents\".\n" 40
41 "\n" 41 TODO(brettw) we probably need an optional third argument to control list
42 " TODO(brettw) we probably need an optional third argument to control\n" 42 formatting.
43 " list formatting.\n" 43
44 "\n" 44 Arguments
45 "Arguments\n" 45
46 "\n" 46 filename
47 " filename\n" 47 Filename to write. This must be within the output directory.
48 " Filename to write. This must be within the output directory.\n" 48
49 "\n" 49 data
50 " data:\n" 50 The list or string to write.
51 " The list or string to write.\n"; 51 )";
52 52
53 Value RunWriteFile(Scope* scope, 53 Value RunWriteFile(Scope* scope,
54 const FunctionCallNode* function, 54 const FunctionCallNode* function,
55 const std::vector<Value>& args, 55 const std::vector<Value>& args,
56 Err* err) { 56 Err* err) {
57 if (args.size() != 2) { 57 if (args.size() != 2) {
58 *err = Err(function->function(), "Wrong number of arguments to write_file", 58 *err = Err(function->function(), "Wrong number of arguments to write_file",
59 "I expected two arguments."); 59 "I expected two arguments.");
60 return Value(); 60 return Value();
61 } 61 }
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94 scope->settings()->build_settings()->GetFullPath(source_file); 94 scope->settings()->build_settings()->GetFullPath(source_file);
95 95
96 // Make sure we're not replacing the same contents. 96 // Make sure we're not replacing the same contents.
97 if (!WriteFileIfChanged(file_path, contents.str(), err)) 97 if (!WriteFileIfChanged(file_path, contents.str(), err))
98 *err = Err(function->function(), err->message(), err->help_text()); 98 *err = Err(function->function(), err->message(), err->help_text());
99 99
100 return Value(); 100 return Value();
101 } 101 }
102 102
103 } // namespace functions 103 } // namespace functions
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