194 lines
6.9 KiB
C++
194 lines
6.9 KiB
C++
/*************************************************************************
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*
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* $RCSfile: ZipPackageBuffer.cxx,v $
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*
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* $Revision: 1.11 $
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*
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* last change: $Author: mtg $ $Date: 2001-07-04 14:56:37 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): Martin Gallwey (gallwey@sun.com)
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*
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*
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************************************************************************/
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#ifndef _ZIP_PACKAGE_BUFFER_HXX
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#include <ZipPackageBuffer.hxx>
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#endif
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using namespace com::sun::star::uno;
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using namespace com::sun::star::io;
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ZipPackageBuffer::ZipPackageBuffer(sal_Int64 nNewBufferSize )
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: m_nBufferSize (nNewBufferSize)
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, m_bMustInitBuffer ( sal_True )
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, m_nCurrent(0)
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, m_nEnd(0)
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{
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}
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ZipPackageBuffer::ZipPackageBuffer(Sequence < sal_Int8 > &nNewBuffer )
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: m_aBuffer ( nNewBuffer )
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, m_bMustInitBuffer ( sal_False )
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, m_nCurrent( 0 )
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, m_nEnd ( nNewBuffer.getLength() )
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{
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}
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ZipPackageBuffer::~ZipPackageBuffer(void)
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{
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}
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Any SAL_CALL ZipPackageBuffer::queryInterface( const Type& rType )
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throw(RuntimeException)
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{
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return ::cppu::queryInterface ( rType ,
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// OWeakObject interfaces
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reinterpret_cast< XInterface* > ( this ) ,
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static_cast< XWeak* > ( this ) ,
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// my interfaces
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static_cast< XInputStream* > ( this ) ,
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static_cast< XSeekable* > ( this ) ,
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static_cast< XOutputStream* > ( this ) );
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}
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void SAL_CALL ZipPackageBuffer::acquire(void)
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throw()
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{
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OWeakObject::acquire();
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}
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void SAL_CALL ZipPackageBuffer::release(void)
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throw()
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{
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OWeakObject::release();
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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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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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{
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if (nBytesToRead < 0)
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throw BufferSizeExceededException(::rtl::OUString(),*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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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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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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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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{
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if (nBytesToSkip < 0)
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throw BufferSizeExceededException(::rtl::OUString(),*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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throw(NotConnectedException, IOException, RuntimeException)
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{
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return static_cast < sal_Int32 > (m_nEnd - m_nCurrent);
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}
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void SAL_CALL ZipPackageBuffer::closeInput( )
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throw(NotConnectedException, IOException, RuntimeException)
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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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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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{
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sal_Int64 nDataLen = aData.getLength(), nCombined = m_nEnd + nDataLen;
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const sal_Int8 *pData = aData.getConstArray();
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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 = sal_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 = sal_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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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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{
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}
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void SAL_CALL ZipPackageBuffer::closeOutput( )
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throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
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{
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}
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void SAL_CALL ZipPackageBuffer::seek( sal_Int64 location )
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throw(::com::sun::star::lang::IllegalArgumentException, IOException, RuntimeException)
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{
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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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throw(IOException, RuntimeException)
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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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throw(IOException, RuntimeException)
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{
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return m_nEnd;
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}
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