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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: unomemorystream.cxx,v $
* $Revision: 1.8 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_toolkit.hxx"
#include <toolkit/helper/unomemorystream.hxx>
#include <algorithm>
// ----------------------------------------------------
// class UnoMemoryStream
// ----------------------------------------------------
UnoMemoryStream::UnoMemoryStream( sal_uInt32 nInitSize, sal_uInt32 nInitResize )
: SvMemoryStream( nInitSize, nInitResize )
{
}
// ::com::sun::star::uno::XInterface
::com::sun::star::uno::Any UnoMemoryStream::queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException)
{
::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType,
SAL_STATIC_CAST( ::com::sun::star::io::XInputStream*, this ) );
return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
}
// ::com::sun::star::io::XInputStream
sal_Int32 UnoMemoryStream::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_Int32 nRead = available();
if ( nRead > nBytesToRead )
nRead = nBytesToRead;
rData = ::com::sun::star::uno::Sequence< sal_Int8 >( nRead );
Read( rData.getArray(), nRead );
return nRead;
}
sal_Int32 UnoMemoryStream::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_Int32 nAvailable = available();
if( nAvailable )
{
return readBytes( rData, std::min( nMaxBytesToRead , nAvailable ) );
}
else
{
// Not the most effective method, but it sticks to the specification
return readBytes( rData, 1 );
}
}
void UnoMemoryStream::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
SeekRel( nBytesToSkip );
}
sal_Int32 UnoMemoryStream::available() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_uInt32 nStreamPos = Tell();
sal_uInt32 nEnd = Seek( STREAM_SEEK_TO_END );
Seek( nStreamPos );
return nEnd - nStreamPos;
}
void UnoMemoryStream::closeInput() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
// nothing to do
}
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