libcruft-util/zlib.hpp

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/*
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* 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
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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
* 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.
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*
* Copyright 2013 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_ZLIB_HPP
#define __UTIL_ZLIB_HPP
#include <stdexcept>
#include <string>
#include <zlib.h>
namespace util {
namespace zlib {
extern const char* version (void);
extern const char* code_to_string (int);
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extern void compress (uint8_t *dst, size_t dst_len,
const uint8_t *src, size_t src_len,
int level);
extern size_t compress_bound (size_t len);
extern size_t uncompress (uint8_t *dst, size_t dst_len,
const uint8_t *src, size_t src_len);
class stream {
public:
public:
stream();
~stream();
int deflate (bool flush = false);
int inflate (bool flush = false);
};
class error : public std::runtime_error {
public:
static void try_code (int code);
static void throw_code (int code);
explicit error(const std::string&);
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};
template <int CODE>
class code_error : public error {
public:
code_error(void):
error (code_to_string (CODE))
{ ; }
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};
}
}
#endif