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/*
* Copyright (C) 2015, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android-base/macros.h>
#include <memory>
#include <string>
#include <vector>
#include "code_writer.h"
#include "line_reader.h"
namespace android {
namespace aidl {
class IoDelegate {
public:
IoDelegate() = default;
virtual ~IoDelegate() = default;
// Stores an absolute version of |path| to |*absolute_path|,
// possibly prefixing it with the current working directory.
// Returns false and does not set |*absolute_path| on error.
static bool GetAbsolutePath(const std::string& path,
std::string* absolute_path);
// Returns a unique_ptr to the contents of |filename|.
// Will append the optional |content_suffix| to the returned contents.
virtual std::unique_ptr<std::string> GetFileContents(
const std::string& filename,
const std::string& content_suffix = "") const;
virtual std::unique_ptr<LineReader> GetLineReader(
const std::string& file_path) const;
virtual bool FileIsReadable(const std::string& path) const;
virtual std::unique_ptr<CodeWriter> GetCodeWriter(
const std::string& file_path) const;
virtual void RemovePath(const std::string& file_path) const;
virtual std::vector<std::string> ListFiles(const std::string& dir) const;
private:
// Create the directory when path is a dir or the parent directory when
// path is a file. Path is a dir if it ends with the path separator.
bool CreateDirForPath(const std::string& path) const;
DISALLOW_COPY_AND_ASSIGN(IoDelegate);
}; // class IoDelegate
} // namespace android
} // namespace aidl
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