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// 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.
#ifndef TOOLS_GN_INPUT_FILE_H_
#define TOOLS_GN_INPUT_FILE_H_
#include <string>
#include "base/basictypes.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "tools/gn/source_dir.h"
#include "tools/gn/source_file.h"
class InputFile {
public:
explicit InputFile(const SourceFile& name);
~InputFile();
// The virtual name passed into the constructor. This does not take into
// account whether the file was loaded from the secondary source tree (see
// BuildSettings secondary_source_path).
const SourceFile& name() const { return name_; }
// The directory is just a cached version of name()->GetDir() but we get this
// a lot so computing it once up front saves a bunch of work.
const SourceDir& dir() const { return dir_; }
// The physical name tells the actual name on disk, if there is one.
const base::FilePath& physical_name() const { return physical_name_; }
// The friendly name can be set to override the name() in cases where there
// is no name (like SetContents is used instead) or if the name doesn't
// make sense. This will be displayed in error messages.
const std::string& friendly_name() const { return friendly_name_; }
void set_friendly_name(const std::string& f) { friendly_name_ = f; }
const std::string& contents() const {
DCHECK(contents_loaded_);
return contents_;
}
// For testing and in cases where this input doesn't actually refer to
// "a file".
void SetContents(const std::string& c);
// Loads the given file synchronously, returning true on success. This
bool Load(const base::FilePath& system_path);
private:
SourceFile name_;
SourceDir dir_;
base::FilePath physical_name_;
std::string friendly_name_;
bool contents_loaded_;
std::string contents_;
DISALLOW_COPY_AND_ASSIGN(InputFile);
};
#endif // TOOLS_GN_INPUT_FILE_H_
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