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