outputsource_zipped.cpp

这是一款2d游戏引擎

/*  $Id: outputsource_zipped.cpp,v 1.6 2003/07/20 22:30:53 grumbel Exp $
**
**  ClanLib Game SDK
**  Copyright (C) 2003  The ClanLib Team
**  For a total list of contributers see the file CREDITS.
**
**  This library is free software; you can redistribute it and/or
**  modify it under the terms of the GNU Lesser General Public
**  License as published by the Free Software Foundation; either
**  version 2.1 of the License, or (at your option) any later version.
**
**  This library 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
**  Lesser General Public License for more details.
**
**  You should have received a copy of the GNU Lesser General Public
**  License along with this library; if not, write to the Free Software
**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
**
*/

#include "Core/precomp.h"
#include "API/Core/IOData/outputsource_zipped.h"

/////////////////////////////////////////////////////////////////////////////
// CL_OutputSource_Zipped_Generic

class CL_OutputSource_Zipped_Generic
{
public:
	CL_OutputSource *output;
	bool delete_output;
	int pos;
	int length;
};

/////////////////////////////////////////////////////////////////////////////
// Construction:

CL_OutputSource_Zipped::CL_OutputSource_Zipped(
	CL_OutputSource *output,
	bool delete_output)
:
	impl(new CL_OutputSource_Zipped_Generic)
{
	impl->output = output;
	impl->delete_output = delete_output;
	impl->pos = 0;
	impl->length = 0;
}

CL_OutputSource_Zipped::CL_OutputSource_Zipped(
	const CL_OutputSource_Zipped &copy)
:
	impl(new CL_OutputSource_Zipped_Generic)
{
	impl->output = copy.impl->output->clone();
	impl->delete_output = true;
	impl->pos = copy.impl->pos;
	impl->length = copy.impl->length;
}

CL_OutputSource_Zipped::~CL_OutputSource_Zipped()
{
	if (impl->delete_output) delete impl->output;
	delete impl;
}

/////////////////////////////////////////////////////////////////////////////
// Attributes:

int CL_OutputSource_Zipped::tell() const
{
	return impl->pos;
}

int CL_OutputSource_Zipped::size() const
{
	return impl->length;
}

/////////////////////////////////////////////////////////////////////////////
// Operations:

int CL_OutputSource_Zipped::write(const void *data, int size)
{
	int written = impl->output->write(data, size);
	impl->pos += written;
	impl->length += written;
	return written;
}

void CL_OutputSource_Zipped::open()
{
	impl->output->open();
	impl->pos = 0;
	impl->length = 0;
}

void CL_OutputSource_Zipped::close()
{
	impl->output->close();
}

CL_OutputSource *CL_OutputSource_Zipped::clone()
{
	return new CL_OutputSource_Zipped(*this);
}

/////////////////////////////////////////////////////////////////////////////
// Implementation: