// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.

// Licensed under the Apache License, Version 2.0 (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 __PARSER_GZIP_H_
#define __PARSER_GZIP_H_

#include "ParserBase.h"
#include <string.h>
#include "compression_utils.h"

class ParserGzip : public ParserBase {
public:
    ParserGzip(IParserStreamReceiver &receiver, size_t parser_depth);
    virtual ~ParserGzip();
    size_t push(const char *data, size_t data_len);
    void finish();
    virtual const std::string &name() const;
    bool error() const;
    virtual size_t depth() { return 1; }
private:
    enum state {
        s_start,
        s_forward,
        s_done,
        s_error
    };

    IParserStreamReceiver &m_receiver;
    std::string m_key;
    state m_state;
    CompressionStream * m_stream;

    static const std::string m_parserName;
};

#endif // __PARSER_GZIP_H_