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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef COMMON_POWERPACKER_H
#define COMMON_POWERPACKER_H
#include "common/stream.h"
namespace Common {
class PowerPackerStream : public Common::SeekableReadStream {
SeekableReadStream *_stream;
bool _dispose;
private:
static int ppDecrunchBuffer(const byte *src, byte *dest, uint32 src_len, uint32 dest_len);
static uint16 getCrunchType(uint32 signature);
public:
PowerPackerStream(Common::SeekableReadStream &stream);
static byte *unpackBuffer(const byte *input, uint32 input_len, uint32 &output_len);
~PowerPackerStream() override {
if (_dispose) delete _stream;
}
int64 size() const override {
return _stream->size();
}
int64 pos() const override {
return _stream->pos();
}
bool eos() const override {
return _stream->eos();
}
bool seek(int64 offs, int whence = SEEK_SET) override {
return _stream->seek(offs, whence);
}
uint32 read(void *dataPtr, uint32 dataSize) override {
return _stream->read(dataPtr, dataSize);
}
};
} // End of namespace Common
#endif
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