office-gobmx/xmlscript/source/xml_helper/xml_byteseq.cxx
2011-11-27 13:28:09 -06:00

174 lines
6.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* 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
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#include <rtl/memory.h>
#include <cppuhelper/implbase1.hxx>
#include <xmlscript/xml_helper.hxx>
using namespace osl;
using namespace com::sun::star;
using namespace com::sun::star::uno;
using ::rtl::ByteSequence;
namespace xmlscript
{
//==================================================================================================
class BSeqInputStream
: public ::cppu::WeakImplHelper1< io::XInputStream >
{
ByteSequence _seq;
sal_Int32 _nPos;
public:
inline BSeqInputStream( ByteSequence const & rSeq )
SAL_THROW( () )
: _seq( rSeq )
, _nPos( 0 )
{}
// XInputStream
virtual sal_Int32 SAL_CALL readBytes(
Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes(
Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException);
virtual void SAL_CALL skipBytes(
sal_Int32 nBytesToSkip )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException);
virtual sal_Int32 SAL_CALL available()
throw (io::NotConnectedException, io::IOException, RuntimeException);
virtual void SAL_CALL closeInput()
throw (io::NotConnectedException, io::IOException, RuntimeException);
};
//__________________________________________________________________________________________________
sal_Int32 BSeqInputStream::readBytes(
Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException)
{
nBytesToRead = ((nBytesToRead > _seq.getLength() - _nPos)
? _seq.getLength() - _nPos
: nBytesToRead);
ByteSequence aBytes( _seq.getConstArray() + _nPos, nBytesToRead );
rData = toUnoSequence( aBytes );
_nPos += nBytesToRead;
return nBytesToRead;
}
//__________________________________________________________________________________________________
sal_Int32 BSeqInputStream::readSomeBytes(
Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException)
{
return readBytes( rData, nMaxBytesToRead );
}
//__________________________________________________________________________________________________
void BSeqInputStream::skipBytes(
sal_Int32 /*nBytesToSkip*/ )
throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, RuntimeException)
{
}
//__________________________________________________________________________________________________
sal_Int32 BSeqInputStream::available()
throw (io::NotConnectedException, io::IOException, RuntimeException)
{
return (_seq.getLength() - _nPos);
}
//__________________________________________________________________________________________________
void BSeqInputStream::closeInput()
throw (io::NotConnectedException, io::IOException, RuntimeException)
{
}
//##################################################################################################
//==================================================================================================
class BSeqOutputStream
: public ::cppu::WeakImplHelper1< io::XOutputStream >
{
ByteSequence * _seq;
public:
inline BSeqOutputStream( ByteSequence * seq )
SAL_THROW( () )
: _seq( seq )
{}
// XOutputStream
virtual void SAL_CALL writeBytes(
Sequence< sal_Int8 > const & rData )
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException);
virtual void SAL_CALL flush()
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException);
virtual void SAL_CALL closeOutput()
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException);
};
//__________________________________________________________________________________________________
void BSeqOutputStream::writeBytes( Sequence< sal_Int8 > const & rData )
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException)
{
sal_Int32 nPos = _seq->getLength();
_seq->realloc( nPos + rData.getLength() );
::rtl_copyMemory( (char *)_seq->getArray() + nPos,
(char const *)rData.getConstArray(),
rData.getLength() );
}
//__________________________________________________________________________________________________
void BSeqOutputStream::flush()
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException)
{
}
//__________________________________________________________________________________________________
void BSeqOutputStream::closeOutput()
throw (io::NotConnectedException, io::BufferSizeExceededException, RuntimeException)
{
}
//##################################################################################################
//==================================================================================================
Reference< io::XInputStream > SAL_CALL createInputStream( ByteSequence const & rInData )
SAL_THROW( () )
{
return new BSeqInputStream( rInData );
}
//==================================================================================================
Reference< io::XOutputStream > SAL_CALL createOutputStream( ByteSequence * pOutData )
SAL_THROW( () )
{
return new BSeqOutputStream( pOutData );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */