58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/*
|
|
* Copyright 2003-2019 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPD_GUNZIP_READER_HXX
|
|
#define MPD_GUNZIP_READER_HXX
|
|
|
|
#include "Reader.hxx"
|
|
#include "util/StaticFifoBuffer.hxx"
|
|
|
|
#include <zlib.h>
|
|
|
|
/**
|
|
* A filter that decompresses data using zlib.
|
|
*/
|
|
class GunzipReader final : public Reader {
|
|
Reader &next;
|
|
|
|
bool eof = false;
|
|
|
|
z_stream z;
|
|
|
|
StaticFifoBuffer<Bytef, 4096> buffer;
|
|
|
|
public:
|
|
/**
|
|
* Construct the filter.
|
|
*/
|
|
explicit GunzipReader(Reader &_next);
|
|
|
|
~GunzipReader() noexcept {
|
|
inflateEnd(&z);
|
|
}
|
|
|
|
/* virtual methods from class Reader */
|
|
size_t Read(void *data, size_t size) override;
|
|
|
|
private:
|
|
bool FillBuffer();
|
|
};
|
|
|
|
#endif
|