/************************************************************************* * * $RCSfile: ZipPackageBuffer.cxx,v $ * * $Revision: 1.7 $ * * last change: $Author: mtg $ $Date: 2000-12-19 21:55:41 $ * * 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 "ZipPackageBuffer.hxx" #endif using namespace com::sun::star::uno; using namespace com::sun::star::io; ZipPackageBuffer::ZipPackageBuffer(sal_Int64 nNewBufferSize) : nBufferSize (nNewBufferSize) , aBuffer (static_cast < sal_Int32 > (nNewBufferSize)) , nCurrent(0) , nEnd(0) { } ZipPackageBuffer::~ZipPackageBuffer(void) { } Any SAL_CALL ZipPackageBuffer::queryInterface( const Type& rType ) throw(RuntimeException) { Any aReturn( ::cppu::queryInterface ( rType, static_cast< com::sun::star::io::XInputStream*> ( this ), static_cast< com::sun::star::io::XSeekable*> ( this ), static_cast< com::sun::star::io::XOutputStream*> ( this ))); if ( aReturn.hasValue () == sal_True ) return aReturn ; else return OWeakObject::queryInterface ( rType ) ; } void SAL_CALL ZipPackageBuffer::acquire(void) throw() { OWeakObject::acquire(); } void SAL_CALL ZipPackageBuffer::release(void) throw() { OWeakObject::release(); } sal_Int32 SAL_CALL ZipPackageBuffer::readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException) { //const sal_Int8 *pBuffer = aBuffer.getConstArray()+nCurrent; if (nBytesToRead < 0) throw BufferSizeExceededException(::rtl::OUString(),*this); if (nBytesToRead + nCurrent > nEnd) nBytesToRead = static_cast < sal_Int32 > (nEnd - nCurrent); memcpy(aData.getArray(), aBuffer.getConstArray() + nCurrent, nBytesToRead); nCurrent +=nBytesToRead; return nBytesToRead; //aData.realloc(nBytesToRead); //memcpy(aData.getArray(), pBuffer + nCurrent, nBytesToRead); //memcpy(pData, pBuffer, nBytesToRead); // Optimisations for often called cases /* switch (nBytesToRead) { case 0: return 0; case 1: *(pData++) = *pBuffer; nCurrent +=1; return 1; case 2: *(pData++) = *(pBuffer++); * pData = *pBuffer; nCurrent +=2; return 2; case 4: *(pData++) = *(pBuffer++); *(pData++) = *(pBuffer++); *(pData++) = *(pBuffer++); * pData = * pBuffer; nCurrent +=4; return 4; default: memcpy(pData, pBuffer, nBytesToRead); nCurrent +=nBytesToRead; return nBytesToRead; } //return nBytesToRead; */ } sal_Int32 SAL_CALL ZipPackageBuffer::readSomeBytes( Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException) { /* if (nMaxBytesToRead + nCurrent > nEnd) nMaxBytesToRead = nEnd - nCurrent; sal_Int64 nEndRead = nMaxBytesToRead+nCurrent; for (sal_Int64 i =0; nCurrent < nEndRead; nCurrent++, i++) aData[i] = aBuffer[nCurrent]; return nMaxBytesToRead; */ // all data is available at once 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 + nCurrent > nEnd) nBytesToSkip = static_cast < sal_Int32 > (nEnd - nCurrent); nCurrent+=nBytesToSkip; } sal_Int32 SAL_CALL ZipPackageBuffer::available( ) throw(NotConnectedException, IOException, RuntimeException) { return static_cast < sal_Int32 > (nEnd - 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(); const sal_Int8 *pData = aData.getConstArray(); if (nEnd + nDataLen > nBufferSize) { while (nEnd + nDataLen > nBufferSize) nBufferSize *=2; aBuffer.realloc(static_cast < sal_Int32 > (nBufferSize)); } /* sal_Int8 *pBuffer = aBuffer.getArray()+nCurrent; switch (nDataLen) { case 0: break; case 1: * pBuffer = *pData; nCurrent++; break; case 2: *(pBuffer++) = *(pData++); * pBuffer = * pData ; nCurrent +=2; break; case 4: *(pBuffer++) = *(pData++); *(pBuffer++) = *(pData++); *(pBuffer++) = *(pData++); * pBuffer = * pData ; nCurrent +=4; break; default: memcpy(pBuffer, pData, static_cast < sal_Int32 > (nDataLen)); nCurrent += nDataLen; break; } */ //memcpy( pBuffer + nCurrent, aData.getConstArray(), static_cast < sal_Int32 > (nDataLen)); memcpy( aBuffer.getArray() + nCurrent, aData.getConstArray(), static_cast < sal_Int32 > (nDataLen)); nCurrent+=nDataLen; if (nCurrent>nEnd) nEnd = 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(::com::sun::star::lang::IllegalArgumentException, IOException, RuntimeException) { nCurrent = location; } sal_Int64 SAL_CALL ZipPackageBuffer::getPosition( ) throw(IOException, RuntimeException) { return nCurrent; } sal_Int64 SAL_CALL ZipPackageBuffer::getLength( ) throw(IOException, RuntimeException) { return nEnd; }