xref: /aoo4110/main/package/source/zipapi/ByteChucker.cxx (revision b1cdbd2c)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_package.hxx"
#include <ByteChucker.hxx>
#include <PackageConstants.hxx>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XOutputStream.hpp>

using namespace ::com::sun::star::io;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;

ByteChucker::ByteChucker(Reference<XOutputStream> xOstream)
: xStream(xOstream)
, xSeek (xOstream, UNO_QUERY )
, a1Sequence ( 1 )
, a2Sequence ( 2 )
, a4Sequence ( 4 )
, p1Sequence ( a1Sequence.getArray() )
, p2Sequence ( a2Sequence.getArray() )
, p4Sequence ( a4Sequence.getArray() )
{
}

ByteChucker::~ByteChucker()
{
}

void ByteChucker::WriteBytes( const Sequence< sal_Int8 >& aData )
	throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
	xStream->writeBytes(aData);
}

sal_Int64 ByteChucker::GetPosition(  )
		throw(IOException, RuntimeException)
{
	return xSeek->getPosition();
}

ByteChucker& ByteChucker::operator << (sal_Int8 nInt8)
{
	p1Sequence[0] = nInt8  & 0xFF;
	WriteBytes( a1Sequence );
	return *this;
}

ByteChucker& ByteChucker::operator << (sal_Int16 nInt16)
{
	p2Sequence[0] = static_cast< sal_Int8 >((nInt16 >>  0 ) & 0xFF);
	p2Sequence[1] = static_cast< sal_Int8 >((nInt16 >>  8 ) & 0xFF);
	WriteBytes( a2Sequence );
	return *this;
}
ByteChucker& ByteChucker::operator << (sal_Int32 nInt32)
{
	p4Sequence[0] = static_cast< sal_Int8 >((nInt32 >>  0 ) & 0xFF);
	p4Sequence[1] = static_cast< sal_Int8 >((nInt32 >>  8 ) & 0xFF);
	p4Sequence[2] = static_cast< sal_Int8 >((nInt32 >> 16 ) & 0xFF);
	p4Sequence[3] = static_cast< sal_Int8 >((nInt32 >> 24 ) & 0xFF);
	WriteBytes( a4Sequence );
	return *this;
}

ByteChucker& ByteChucker::operator << (sal_uInt8 nuInt8)
{
	p1Sequence[0] = nuInt8  & 0xFF;
	WriteBytes( a1Sequence );
	return *this;
}
ByteChucker& ByteChucker::operator << (sal_uInt16 nuInt16)
{
	p2Sequence[0] = static_cast< sal_Int8 >((nuInt16 >>  0 ) & 0xFF);
	p2Sequence[1] = static_cast< sal_Int8 >((nuInt16 >>  8 ) & 0xFF);
	WriteBytes( a2Sequence );
	return *this;
}
ByteChucker& ByteChucker::operator << (sal_uInt32 nuInt32)
{
	p4Sequence[0] = static_cast < sal_Int8 > ((nuInt32 >>  0 ) & 0xFF);
	p4Sequence[1] = static_cast < sal_Int8 > ((nuInt32 >>  8 ) & 0xFF);
	p4Sequence[2] = static_cast < sal_Int8 > ((nuInt32 >> 16 ) & 0xFF);
	p4Sequence[3] = static_cast < sal_Int8 > ((nuInt32 >> 24 ) & 0xFF);
	WriteBytes( a4Sequence );
	return *this;
}