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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 "tools/gn/source_file.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "build/build_config.h" |
| 9 #include "tools/gn/filesystem_utils.h" |
| 10 #include "tools/gn/source_dir.h" |
| 11 |
| 12 SourceFile::SourceFile() { |
| 13 } |
| 14 |
| 15 SourceFile::SourceFile(const base::StringPiece& p) |
| 16 : value_(p.data(), p.size()) { |
| 17 DCHECK(!value_.empty()); |
| 18 DCHECK(value_[0] == '/'); |
| 19 DCHECK(!EndsWithSlash(value_)); |
| 20 } |
| 21 |
| 22 SourceFile::~SourceFile() { |
| 23 } |
| 24 |
| 25 std::string SourceFile::GetName() const { |
| 26 if (is_null()) |
| 27 return std::string(); |
| 28 |
| 29 DCHECK(value_.find('/') != std::string::npos); |
| 30 size_t last_slash = value_.rfind('/'); |
| 31 return std::string(&value_[last_slash + 1], |
| 32 value_.size() - last_slash - 1); |
| 33 } |
| 34 |
| 35 SourceDir SourceFile::GetDir() const { |
| 36 if (is_null()) |
| 37 return SourceDir(); |
| 38 |
| 39 DCHECK(value_.find('/') != std::string::npos); |
| 40 size_t last_slash = value_.rfind('/'); |
| 41 return SourceDir(base::StringPiece(&value_[0], last_slash + 1)); |
| 42 } |
| 43 |
| 44 base::FilePath SourceFile::Resolve(const base::FilePath& source_root) const { |
| 45 if (is_null()) |
| 46 return base::FilePath(); |
| 47 |
| 48 std::string converted; |
| 49 #if defined(OS_WIN) |
| 50 if (is_system_absolute()) { |
| 51 converted.assign(&value_[1], value_.size() - 1); |
| 52 DCHECK(converted.size() > 2 && converted[1] == ':') |
| 53 << "Expecting Windows absolute file path with a drive letter: " |
| 54 << value_; |
| 55 return base::FilePath(UTF8ToFilePath(converted)); |
| 56 } |
| 57 |
| 58 converted.assign(&value_[2], value_.size() - 2); |
| 59 ConvertPathToSystem(&converted); |
| 60 return root_path_.Append(UTF8ToFilePath(converted)); |
| 61 #else |
| 62 if (is_system_absolute()) |
| 63 return base::FilePath(value_); |
| 64 converted.assign(&value_[2], value_.size() - 2); |
| 65 return source_root.Append(converted); |
| 66 #endif |
| 67 } |
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