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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: stream.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: hr $ $Date: 2006-06-20 04:07:55 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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 <limits>
#include <osl/diagnose.h>
#include <vos/object.hxx>
#include <vos/stream.hxx>
using namespace vos;
/////////////////////////////////////////////////////////////////////////////
//
// Stream class
//
VOS_IMPLEMENT_CLASSINFO(VOS_CLASSNAME(OStream, vos), VOS_NAMESPACE(OStream, vos), VOS_NAMESPACE(OObject, vos), 0);
OStream::OStream(IPositionableStream& rStream)
: m_rStream(rStream)
{
}
OStream::~OStream()
{
}
sal_Int32 OStream::read(void* pbuffer, sal_uInt32 n) const
{
return (m_rStream.read(pbuffer, n));
}
sal_Int32 OStream::read(IPositionableStream::Offset offset,
void* pbuffer, sal_uInt32 n) const
{
return (seekTo(offset) ? read(pbuffer, n) : -1);
}
sal_Int32 OStream::write(const void* pbuffer, sal_uInt32 n)
{
return
n <= static_cast< sal_uInt32 >(std::numeric_limits< sal_Int32 >::max())
&& (m_rStream.write(pbuffer, n) == static_cast< sal_Int32 >(n));
}
sal_Int32 OStream::write(IPositionableStream::Offset offset,
const void* pbuffer, sal_uInt32 n)
{
return (seekTo(offset) && write(pbuffer, n));
}
sal_Bool OStream::append(void* pbuffer, sal_uInt32 n)
{
return (seekToEnd() && write(pbuffer, n));
}
sal_Bool OStream::seekTo(IPositionableStream::Offset pos) const
{
return (m_rStream.seekTo(pos));
}
sal_Bool OStream::seekToEnd() const
{
return (m_rStream.seekToEnd());
}
sal_Bool OStream::seekRelative(sal_Int32 change) const
{
return (m_rStream.seekRelative(change));
}
sal_Bool OStream::changeSize(sal_uInt32 new_size)
{
return (m_rStream.changeSize(new_size));
}
sal_uInt32 OStream::getSize() const
{
return (m_rStream.getSize());
}
sal_Bool OStream::isEof() const
{
return (m_rStream.isEof());
}
IPositionableStream::Offset OStream::getOffset() const
{
return (m_rStream.getOffset());
}
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