Revert 214254 "Add initial prototype for the GN meta-buildsystem."

trunk/src/tools/gn/source_file.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "tools/gn/source_file.h"
-
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "tools/gn/filesystem_utils.h"
-#include "tools/gn/source_dir.h"
-
-SourceFile::SourceFile() {
-}
-
-SourceFile::SourceFile(const base::StringPiece& p)
-    : value_(p.data(), p.size()) {
-  DCHECK(!value_.empty());
-  DCHECK(value_[0] == '/');
-  DCHECK(!EndsWithSlash(value_));
-}
-
-SourceFile::~SourceFile() {
-}
-
-std::string SourceFile::GetName() const {
-  if (is_null())
-    return std::string();
-
-  DCHECK(value_.find('/') != std::string::npos);
-  size_t last_slash = value_.rfind('/');
-  return std::string(&value_[last_slash + 1],
-                     value_.size() - last_slash - 1);
-}
-
-SourceDir SourceFile::GetDir() const {
-  if (is_null())
-    return SourceDir();
-
-  DCHECK(value_.find('/') != std::string::npos);
-  size_t last_slash = value_.rfind('/');
-  return SourceDir(base::StringPiece(&value_[0], last_slash + 1));
-}
-
-base::FilePath SourceFile::Resolve(const base::FilePath& source_root) const {
-  if (is_null())
-    return base::FilePath();
-
-  std::string converted;
-#if defined(OS_WIN)
-  if (is_system_absolute()) {
-    converted.assign(&value_[1], value_.size() - 1);
-    DCHECK(converted.size() > 2 && converted[1] == ':')
-        << "Expecting Windows absolute file path with a drive letter: "
-        << value_;
-    return base::FilePath(UTF8ToFilePath(converted));
-  }
-
-  converted.assign(&value_[2], value_.size() - 2);
-  ConvertPathToSystem(&converted);
-  return root_path_.Append(UTF8ToFilePath(converted));
-#else
-  if (is_system_absolute())
-    return base::FilePath(value_);
-  converted.assign(&value_[2], value_.size() - 2);
-  return source_root.Append(converted);
-#endif
-}