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 source_root.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 } 68
