82b9102769
Change-Id: Ie50a1ad6e27786ccdaae2ba1ae96f5682c4a38f6 Reviewed-on: https://gerrit.libreoffice.org/67560 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <ZipPackageBuffer.hxx>
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#include <PackageConstants.hxx>
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#include <string.h>
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#include <sal/log.hxx>
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#include <com/sun/star/io/BufferSizeExceededException.hpp>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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using namespace ::com::sun::star;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::io;
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using com::sun::star::lang::IllegalArgumentException;
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#if OSL_DEBUG_LEVEL > 0
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#define THROW_WHERE SAL_WHERE
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#else
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#define THROW_WHERE ""
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#endif
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ZipPackageBuffer::ZipPackageBuffer()
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: m_nBufferSize (n_ConstBufferSize)
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, m_nEnd(0)
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, m_nCurrent(0)
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, m_bMustInitBuffer ( true )
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{
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}
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ZipPackageBuffer::~ZipPackageBuffer()
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{
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}
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sal_Int32 SAL_CALL ZipPackageBuffer::readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
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{
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if (nBytesToRead < 0)
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throw BufferSizeExceededException(THROW_WHERE, *this );
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if (nBytesToRead + m_nCurrent > m_nEnd)
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nBytesToRead = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
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aData.realloc ( nBytesToRead );
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memcpy(aData.getArray(), m_aBuffer.getConstArray() + m_nCurrent, nBytesToRead);
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m_nCurrent +=nBytesToRead;
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return nBytesToRead;
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}
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sal_Int32 SAL_CALL ZipPackageBuffer::readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
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{
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return readBytes(aData, nMaxBytesToRead);
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}
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void SAL_CALL ZipPackageBuffer::skipBytes( sal_Int32 nBytesToSkip )
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{
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if (nBytesToSkip < 0)
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throw BufferSizeExceededException(THROW_WHERE, *this );
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if (nBytesToSkip + m_nCurrent > m_nEnd)
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nBytesToSkip = static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
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m_nCurrent+=nBytesToSkip;
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}
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sal_Int32 SAL_CALL ZipPackageBuffer::available( )
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{
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return std::min<sal_Int64>(SAL_MAX_INT32, m_nEnd - m_nCurrent);
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}
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void SAL_CALL ZipPackageBuffer::closeInput( )
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{
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}
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void SAL_CALL ZipPackageBuffer::writeBytes( const Sequence< sal_Int8 >& aData )
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{
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sal_Int64 nDataLen = aData.getLength(), nCombined = m_nEnd + nDataLen;
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if ( nCombined > m_nBufferSize)
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{
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do
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m_nBufferSize *=2;
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while (nCombined > m_nBufferSize);
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m_aBuffer.realloc(static_cast < sal_Int32 > (m_nBufferSize));
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m_bMustInitBuffer = false;
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}
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else if (m_bMustInitBuffer)
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{
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m_aBuffer.realloc ( static_cast < sal_Int32 > ( m_nBufferSize ) );
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m_bMustInitBuffer = false;
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}
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memcpy( m_aBuffer.getArray() + m_nCurrent, aData.getConstArray(), static_cast < sal_Int32 > (nDataLen));
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m_nCurrent+=nDataLen;
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if (m_nCurrent>m_nEnd)
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m_nEnd = m_nCurrent;
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}
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void SAL_CALL ZipPackageBuffer::flush( )
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{
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}
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void SAL_CALL ZipPackageBuffer::closeOutput( )
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{
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}
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void SAL_CALL ZipPackageBuffer::seek( sal_Int64 location )
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{
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if ( location > m_nEnd || location < 0 )
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throw IllegalArgumentException(THROW_WHERE, uno::Reference< uno::XInterface >(), 1 );
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m_nCurrent = location;
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}
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sal_Int64 SAL_CALL ZipPackageBuffer::getPosition( )
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{
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return m_nCurrent;
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}
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sal_Int64 SAL_CALL ZipPackageBuffer::getLength( )
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{
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return m_nEnd;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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