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(SwapIn, std::string* value) { 23 value_.swap(*value); 24 DCHECK(!value_.empty()); 25 DCHECK(value_[0] == '/'); 26 DCHECK(!EndsWithSlash(value_)); 27 } 28 29 SourceFile::~SourceFile() { 30 } 31 32 std::string SourceFile::GetName() const { 33 if (is_null()) 34 return std::string(); 35 36 DCHECK(value_.find('/') != std::string::npos); 37 size_t last_slash = value_.rfind('/'); 38 return std::string(&value_[last_slash + 1], 39 value_.size() - last_slash - 1); 40 } 41 42 SourceDir SourceFile::GetDir() const { 43 if (is_null()) 44 return SourceDir(); 45 46 DCHECK(value_.find('/') != std::string::npos); 47 size_t last_slash = value_.rfind('/'); 48 return SourceDir(base::StringPiece(&value_[0], last_slash + 1)); 49 } 50 51 base::FilePath SourceFile::Resolve(const base::FilePath& source_root) const { 52 if (is_null()) 53 return base::FilePath(); 54 55 std::string converted; 56 if (is_system_absolute()) { 57 if (value_.size() > 2 && value_[2] == ':') { 58 // Windows path, strip the leading slash. 59 converted.assign(&value_[1], value_.size() - 1); 60 } else { 61 converted.assign(value_); 62 } 63 return base::FilePath(UTF8ToFilePath(converted)); 64 } 65 66 converted.assign(&value_[2], value_.size() - 2); 67 return source_root.Append(UTF8ToFilePath(converted)) 68 .NormalizePathSeparatorsTo('/'); 69 } 70
