/************************************************************************* * * $RCSfile: ZipPackageBuffer.cxx,v $ * * $Revision: 1.13 $ * * last change: $Author: mtg $ $Date: 2001-11-15 20:41:02 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library 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 for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): Martin Gallwey (gallwey@sun.com) * * ************************************************************************/ #ifndef _ZIP_PACKAGE_BUFFER_HXX #include #endif #include // for memcpy 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_bMustInitBuffer ( sal_True ) , m_nCurrent(0) , m_nEnd(0) { } ZipPackageBuffer::ZipPackageBuffer(Sequence < sal_Int8 > &nNewBuffer ) : m_aBuffer ( nNewBuffer ) , m_bMustInitBuffer ( sal_False ) , m_nCurrent( 0 ) , m_nEnd ( nNewBuffer.getLength() ) { } 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(),*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(),*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; const sal_Int8 *pData = aData.getConstArray(); 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(); 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; } n> LibreOffice 核心代码仓库文档基金会
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