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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 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.
*
*/
#include "titanic/compressed_file.h"
namespace Titanic {
#define BUFFER_SIZE 1024
CompressedFile::CompressedFile() : SimpleFile() {
_readStream = nullptr;
_writeStream = nullptr;
}
CompressedFile::~CompressedFile() {
}
void CompressedFile::open(const Common::String &name) {
SimpleFile::open(name);
_readStream = Common::wrapCompressedReadStream(&_file);
}
void CompressedFile::open(Common::SeekableReadStream *stream) {
SimpleFile::open(stream);
_readStream = Common::wrapCompressedReadStream(&_file);
}
void CompressedFile::open(Common::OutSaveFile *stream) {
SimpleFile::open(stream);
_writeStream = Common::wrapCompressedWriteStream(stream);
}
void CompressedFile::close() {
delete _readStream;
delete _writeStream;
_readStream = nullptr;
_writeStream = nullptr;
SimpleFile::close();
}
size_t CompressedFile::unsafeRead(void *dst, size_t count) {
assert(_readStream);
if (count == 0)
return 0;
// Read data and decompress
return _readStream->read(dst, count);
}
size_t CompressedFile::write(const void *src, size_t count) {
return _writeStream->write(src, count);
}
} // End of namespace Titanic
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