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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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_package.hxx"
#include <ZipPackageBuffer.hxx>
#include <string.h> // for memcpy
using namespace ::com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::io;
using com::sun::star::lang::IllegalArgumentException;
ZipPackageBuffer::ZipPackageBuffer(sal_Int64 nNewBufferSize )
: m_nBufferSize (nNewBufferSize)
, m_nEnd(0)
, m_nCurrent(0)
, m_bMustInitBuffer ( sal_True )
{
}
ZipPackageBuffer::~ZipPackageBuffer(void)
{
}
sal_Int32 SAL_CALL ZipPackageBuffer::readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
if (nBytesToRead < 0)
throw BufferSizeExceededException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), *this );
if (nBytesToRead + m_nCurrent > m_nEnd)
nBytesToRead = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
aData.realloc ( nBytesToRead );
memcpy(aData.getArray(), m_aBuffer.getConstArray() + m_nCurrent, nBytesToRead);
m_nCurrent +=nBytesToRead;
return nBytesToRead;
}
sal_Int32 SAL_CALL ZipPackageBuffer::readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
return readBytes(aData, nMaxBytesToRead);
}
void SAL_CALL ZipPackageBuffer::skipBytes( sal_Int32 nBytesToSkip )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
if (nBytesToSkip < 0)
throw BufferSizeExceededException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), *this );
if (nBytesToSkip + m_nCurrent > m_nEnd)
nBytesToSkip = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
m_nCurrent+=nBytesToSkip;
}
sal_Int32 SAL_CALL ZipPackageBuffer::available( )
throw(NotConnectedException, IOException, RuntimeException)
{
return static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
}
void SAL_CALL ZipPackageBuffer::closeInput( )
throw(NotConnectedException, IOException, RuntimeException)
{
}
void SAL_CALL ZipPackageBuffer::writeBytes( const Sequence< sal_Int8 >& aData )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
sal_Int64 nDataLen = aData.getLength(), nCombined = m_nEnd + nDataLen;
if ( nCombined > m_nBufferSize)
{
do
m_nBufferSize *=2;
while (nCombined > m_nBufferSize);
m_aBuffer.realloc(static_cast < sal_Int32 > (m_nBufferSize));
m_bMustInitBuffer = sal_False;
}
else if (m_bMustInitBuffer)
{
m_aBuffer.realloc ( static_cast < sal_Int32 > ( m_nBufferSize ) );
m_bMustInitBuffer = sal_False;
}
memcpy( m_aBuffer.getArray() + m_nCurrent, aData.getConstArray(), static_cast < sal_Int32 > (nDataLen));
m_nCurrent+=nDataLen;
if (m_nCurrent>m_nEnd)
m_nEnd = m_nCurrent;
}
void SAL_CALL ZipPackageBuffer::flush( )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
}
void SAL_CALL ZipPackageBuffer::closeOutput( )
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
{
}
void SAL_CALL ZipPackageBuffer::seek( sal_Int64 location )
throw( IllegalArgumentException, IOException, RuntimeException)
{
if ( location > m_nEnd || location < 0 )
throw IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
m_nCurrent = location;
}
sal_Int64 SAL_CALL ZipPackageBuffer::getPosition( )
throw(IOException, RuntimeException)
{
return m_nCurrent;
}
sal_Int64 SAL_CALL ZipPackageBuffer::getLength( )
throw(IOException, RuntimeException)
{
return m_nEnd;
}
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