source_file.cc revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff
1d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// Use of this source code is governed by a BSD-style license that can be 3d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// found in the LICENSE file. 4d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 5d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/source_file.h" 6d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 7d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "base/logging.h" 8d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "build/build_config.h" 9d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/filesystem_utils.h" 10d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/source_dir.h" 11d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 12d3868032626d59662ff73b372b5d584c1d144c53Ben MurdochSourceFile::SourceFile() { 13d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 14d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 15d3868032626d59662ff73b372b5d584c1d144c53Ben MurdochSourceFile::SourceFile(const base::StringPiece& p) 16d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch : value_(p.data(), p.size()) { 17d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch DCHECK(!value_.empty()); 18d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch DCHECK(value_[0] == '/'); 19d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch DCHECK(!EndsWithSlash(value_)); 20d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 21d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 22d3868032626d59662ff73b372b5d584c1d144c53Ben MurdochSourceFile::~SourceFile() { 23d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 24d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 25d3868032626d59662ff73b372b5d584c1d144c53Ben Murdochstd::string SourceFile::GetName() const { 26d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (is_null()) 27d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return std::string(); 28d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 29d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch DCHECK(value_.find('/') != std::string::npos); 30d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch size_t last_slash = value_.rfind('/'); 31d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return std::string(&value_[last_slash + 1], 32d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch value_.size() - last_slash - 1); 33d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 34d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 35d3868032626d59662ff73b372b5d584c1d144c53Ben MurdochSourceDir SourceFile::GetDir() const { 36d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (is_null()) 37d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return SourceDir(); 38d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 39d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch DCHECK(value_.find('/') != std::string::npos); 40d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch size_t last_slash = value_.rfind('/'); 41d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return SourceDir(base::StringPiece(&value_[0], last_slash + 1)); 42d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 43d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 44d3868032626d59662ff73b372b5d584c1d144c53Ben Murdochbase::FilePath SourceFile::Resolve(const base::FilePath& source_root) const { 45d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (is_null()) 46d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return base::FilePath(); 47d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 48d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch std::string converted; 49d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (is_system_absolute()) { 504e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (value_.size() > 2 && value_[2] == ':') { 514e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Windows path, strip the leading slash. 524e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) converted.assign(&value_[1], value_.size() - 1); 534e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } else { 544e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) converted.assign(value_); 554e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 564e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) ConvertPathToSystem(&converted); 57d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return base::FilePath(UTF8ToFilePath(converted)); 58d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch } 59d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 60d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch converted.assign(&value_[2], value_.size() - 2); 61d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch ConvertPathToSystem(&converted); 62a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return source_root.Append(UTF8ToFilePath(converted)); 63d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 64