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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.
*/
#ifndef AAPT_FORMAT_ARCHIVE_H
#define AAPT_FORMAT_ARCHIVE_H
#include <fstream>
#include <memory>
#include <string>
#include <vector>
#include "androidfw/StringPiece.h"
#include "google/protobuf/io/zero_copy_stream_impl_lite.h"
#include "Diagnostics.h"
#include "io/Io.h"
#include "util/BigBuffer.h"
#include "util/Files.h"
namespace aapt {
struct ArchiveEntry {
enum : uint32_t {
kCompress = 0x01,
kAlign = 0x02,
};
std::string path;
uint32_t flags;
size_t uncompressed_size;
};
class IArchiveWriter : public ::google::protobuf::io::CopyingOutputStream {
public:
virtual ~IArchiveWriter() = default;
virtual bool WriteFile(const android::StringPiece& path, uint32_t flags, io::InputStream* in) = 0;
// Starts a new entry and allows caller to write bytes to it sequentially.
// Only use StartEntry if code you do not control needs to write to a CopyingOutputStream.
// Prefer WriteFile instead of manually calling StartEntry/FinishEntry.
virtual bool StartEntry(const android::StringPiece& path, uint32_t flags) = 0;
// Called to finish writing an entry previously started by StartEntry.
// Prefer WriteFile instead of manually calling StartEntry/FinishEntry.
virtual bool FinishEntry() = 0;
// CopyingOutputStream implementation that allows sequential writes to this archive. Only
// valid between calls to StartEntry and FinishEntry.
virtual bool Write(const void* buffer, int size) = 0;
// Returns true if there was an error writing to the archive.
// The resulting error message can be retrieved from GetError().
virtual bool HadError() const = 0;
// Returns the error message if HadError() returns true.
virtual std::string GetError() const = 0;
};
std::unique_ptr<IArchiveWriter> CreateDirectoryArchiveWriter(IDiagnostics* diag,
const android::StringPiece& path);
std::unique_ptr<IArchiveWriter> CreateZipFileArchiveWriter(IDiagnostics* diag,
const android::StringPiece& path);
} // namespace aapt
#endif /* AAPT_FORMAT_ARCHIVE_H */
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