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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include <iostream> | |
| 6 #include <sstream> | |
| 7 | |
| 8 #include "base/file_util.h" | |
| 9 #include "base/strings/string_split.h" | |
| 10 #include "base/strings/string_util.h" | |
| 11 #include "tools/gn/err.h" | |
| 12 #include "tools/gn/filesystem_utils.h" | |
| 13 #include "tools/gn/functions.h" | |
| 14 #include "tools/gn/input_file.h" | |
| 15 #include "tools/gn/parse_tree.h" | |
| 16 #include "tools/gn/scheduler.h" | |
| 17 | |
| 18 /* | |
| 19 write_file: Read a file into a variable. | |
| 20 | |
| 21 write_file(filename, data) | |
| 22 | |
| 23 If data is a list, the list will be written one-item-per-line with no | |
| 24 quoting or brackets. | |
| 25 | |
| 26 TODO(brettw) we probably need an optional third argument to control list | |
| 27 formatting. | |
| 28 | |
| 29 Arguments: | |
| 30 | |
| 31 filename: | |
| 32 Filename to write. This must be within the output directory. | |
| 33 | |
| 34 data: | |
| 35 The list or string to write. | |
| 36 */ | |
| 37 Value ExecuteWriteFile(Scope* scope, | |
| 38 const FunctionCallNode* function, | |
| 39 const std::vector<Value>& args, | |
| 40 Err* err) { | |
| 41 if (args.size() != 2) { | |
| 42 *err = Err(function->function(), "Wrong number of args to write_file", | |
| 43 "I expected two arguments."); | |
| 44 return Value(); | |
| 45 } | |
| 46 | |
| 47 // Compute the file name and make sure it's in the output dir. | |
| 48 if (!args[0].VerifyTypeIs(Value::STRING, err)) | |
| 49 return Value(); | |
| 50 const SourceDir& cur_dir = SourceDirForFunctionCall(function); | |
| 51 SourceFile source_file = cur_dir.ResolveRelativeFile(args[0].string_value()); | |
| 52 if (!EnsureStringIsInOutputDir( | |
| 53 scope->settings()->build_settings()->build_dir(), | |
| 54 source_file.value(), args[0], err)) | |
| 55 return Value(); | |
| 56 | |
| 57 // Compute output. | |
| 58 std::ostringstream contents; | |
| 59 if (args[1].type() == Value::LIST) { | |
| 60 const std::vector<Value>& list = args[1].list_value(); | |
| 61 for (size_t i = 0; i < list.size(); i++) | |
| 62 contents << list[i].ToString() << std::endl; | |
| 63 } else { | |
| 64 contents << args[1].ToString(); | |
| 65 } | |
| 66 | |
| 67 // Write file, creating the directory if necessary. | |
| 68 base::FilePath file_path = | |
| 69 scope->settings()->build_settings()->GetFullPath(source_file); | |
| 70 const std::string& contents_string = contents.str(); | |
| 71 if (!file_util::CreateDirectory(file_path.DirName())) { | |
| 72 *err = Err(function->function(), "Unable to create directory.", | |
| 73 "I was using \"" + FilePathToUTF8(file_path.DirName()) + "\"."); | |
| 74 return Value(); | |
| 75 } | |
| 76 if (file_util::WriteFile(file_path, | |
| 77 contents_string.c_str(), contents_string.size()) | |
| 78 != static_cast<int>(contents_string.size())) { | |
| 79 *err = Err(function->function(), "Unable to write file.", | |
| 80 "I was writing \"" + FilePathToUTF8(file_path) + "\"."); | |
| 81 return Value(); | |
| 82 } | |
| 83 return Value(); | |
| 84 } | |
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Chromium Code Reviews
Issue 21084010:
Revert 214254 "Add initial prototype for the GN meta-buildsystem." (Closed)
Base URL: svn://svn.chromium.org/chrome/