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51 lines (45 loc) · 1.75 KB
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 COMPRESS_COMPRESSOR_H
#define COMPRESS_COMPRESSOR_H
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
namespace storage {
class Compressor {
public:
Compressor() {}
virtual ~Compressor() {}
// @for_compress
// true - for compressiom
// false - for uncompression
virtual int reset(bool for_compress) = 0;
virtual void destroy() = 0;
virtual int compress(char* uncompressed_buf, uint32_t uncompressed_buf_len,
char*& compressed_buf,
uint32_t& compressed_buf_len) = 0;
virtual void after_compress(char* compressed_buf) = 0;
virtual int uncompress(char* compressed_buf, uint32_t compressed_buf_len,
char*& uncompressed_buf,
uint32_t& uncompressed_buf_len) = 0;
virtual void after_uncompress(char* uncompressed_buf) = 0;
// TODO other style API
};
} // end namespace storage
#endif // COMPRESS_COMPRESSOR_H