shaka-packager/tools/gn/source_file.cc

68 lines
1.8 KiB
C++

// 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 source_root.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
}