/*

 * Copyright (c) 2021 Huawei Device Co., Ltd.

 * 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 ZIP_ADAPTER_H

#define ZIP_ADAPTER_H

#include <iostream>

#include <vector>

#include "deflate_adapter.h"

#include "diffpatch.h"

#include "pkg_manager.h"

#include "securec.h"

#include "zlib.h"



namespace UpdatePatch {

class ZipAdapter : public DeflateAdapter {

public:

    ZipAdapter(UpdatePatchWriterPtr outStream, size_t offset, const Hpackage::PkgManager::FileInfoPtr fileInfo);

    ~ZipAdapter() override

    {

        Close();

    }



    int32_t Open() override;

    int32_t Close() override;



    int32_t WriteData(const BlockBuffer &srcData) override;

    int32_t FlushData(size_t &offset) override;

private:

    std::vector<uint8_t> buffer_ {};

    UpdatePatchWriterPtr outStream_;

    z_stream zstream_ {0};

    size_t offset_;



    int32_t level_ {0};

    int32_t method_ {0};

    int32_t windowBits_ {0};

    int32_t memLevel_ {0};

    int32_t strategy_ {0};

};

} // namespace UpdatePatch

#endif // ZIP_ADAPTER_H