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Diffstat (limited to 'lotuswordpro/source/filter/lwpobjid.cxx')
| -rw-r--r-- | lotuswordpro/source/filter/lwpobjid.cxx | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/lotuswordpro/source/filter/lwpobjid.cxx b/lotuswordpro/source/filter/lwpobjid.cxx new file mode 100644 index 000000000000..ba042f720d6b --- /dev/null +++ b/lotuswordpro/source/filter/lwpobjid.cxx @@ -0,0 +1,256 @@ +/************************************************************************* + * + * 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: IBM Corporation + * + * Copyright: 2008 by IBM Corporation + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +/************************************************************************* + * @file + * For LWP filter architecture prototype + ************************************************************************/ +/************************************************************************* + * Change History + Jan 2005 Created + ************************************************************************/ + + +#ifndef _LWPOBJECTID_HXX +#include "lwpobjid.hxx" +#endif + +#include "lwpfilehdr.hxx" +#include "lwpobjfactory.hxx" +#include "lwpglobalmgr.hxx" + +LwpObjectID::LwpObjectID(sal_uInt32 low, sal_uInt16 high) + :m_nLow(low), m_nHigh(high), m_bIsCompressed(sal_False), m_nIndex(0) +{ +} +/** + * @descr Read object id with format: low(4bytes)+high(2bytes) from stream + * for LWP7 record +*/ +sal_uInt32 LwpObjectID::Read(LwpSvStream *pStrm) +{ + pStrm->Read(&m_nLow, sizeof(m_nLow)); + pStrm->Read(&m_nHigh, sizeof(m_nHigh)); + return DiskSize(); +} +/** + * @descr Read object id with format: low(4bytes)+high(2bytes) from object stream +*/ +sal_uInt32 LwpObjectID::Read(LwpObjectStream *pObj) +{ + pObj->QuickRead(&m_nLow, sizeof(m_nLow)); + pObj->QuickRead(&m_nHigh, sizeof(m_nHigh)); + return DiskSize(); +} +/** + * @descr Read object id with indexed format from stream + * if index>0, lowid is get from time table per the index +* else index+lowid+highid +*/ +sal_uInt32 LwpObjectID::ReadIndexed(LwpSvStream *pStrm) +{ +//note the m_nLow store the index instead of time from the timetable as in LWP + m_bIsCompressed = sal_False; + if( LwpFileHeader::m_nFileRevision < 0x000B) + { + return Read(pStrm); + } + + pStrm->Read(&m_nIndex, sizeof(m_nIndex)); + + if (m_nIndex) + { + m_bIsCompressed = sal_True; + //m_nLow = index; //note the m_nLow stores the index instead of the actual time id + LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(); + LwpObjectFactory* pFactory = pGlobal->GetLwpObjFactory(); + LwpIndexManager* pIdxMgr = pFactory->GetIndexManager(); + m_nLow = pIdxMgr->GetObjTime( (sal_uInt16)m_nIndex); + } + else + { + pStrm->Read(&m_nLow, sizeof(m_nLow)); + } + pStrm->Read(&m_nHigh, sizeof(m_nHigh)); + return DiskSizeIndexed(); +} + +/** + * @descr Read object id with indexed format from object stream + * if index>0, lowid is get from time table per the index +* else index+lowid+highid +*/ +sal_uInt32 LwpObjectID::ReadIndexed(LwpObjectStream *pStrm) +{ + m_bIsCompressed = sal_False; + if(LwpFileHeader::m_nFileRevision < 0x000B) + { + return Read(pStrm); + } + + pStrm->QuickRead(&m_nIndex, sizeof(m_nIndex)); + if (m_nIndex) + { + m_bIsCompressed = sal_True; + //m_nLow = index; //note the m_nLow stores the index instead of the actual time id + LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(); + LwpObjectFactory* pFactory = pGlobal->GetLwpObjFactory(); + LwpIndexManager* pIdxMgr = pFactory->GetIndexManager(); + m_nLow = pIdxMgr->GetObjTime( (sal_uInt16)m_nIndex); + } + else + { + pStrm->QuickRead(&m_nLow, sizeof(m_nLow)); + } + pStrm->QuickRead(&m_nHigh, sizeof(m_nHigh)); + return DiskSizeIndexed(); +} +/** + * @descr Read object id with compressed format from stream + * if diff == 255: 255+lowid+highid + * else lowid equals to the lowid of previous low id + * and high id = the high id of previous id + diff +1 +*/ +sal_uInt32 LwpObjectID::ReadCompressed( LwpSvStream* pStrm, LwpObjectID &prev ) +{ + sal_uInt32 len=0; + sal_uInt8 diff; + + len = pStrm->Read( &diff, sizeof(diff)); + if (diff == 255) + { + len += Read(pStrm); + } + else + { + m_nLow = prev.GetLow(); + m_nHigh = prev.GetHigh() + diff +1; + } + return len; +} +/** + * @descr Read object id with compressed format from object stream + * if diff == 255: 255+lowid+highid + * else lowid equals to the lowid of previous low id + * and high id = the high id of previous id + diff +1 +*/ +sal_uInt32 LwpObjectID::ReadCompressed( LwpObjectStream* pObj, LwpObjectID &prev ) +{ + + sal_uInt32 len=0; + sal_uInt8 diff; + + len += pObj->QuickRead( &diff, sizeof(diff)); + + if (diff == 255) + { + len += Read(pObj); + } + else + { + m_nLow = prev.GetLow(); + m_nHigh = prev.GetHigh() + diff +1; + } + return len; +} +/** + * @descr return the size of indexed object id +*/ +sal_uInt32 LwpObjectID::DiskSizeIndexed() const +{ + return sizeof(sal_uInt8) + + (((0 < m_nIndex) && (m_nIndex <= 255)) ? 0 : sizeof(m_nLow)) + + sizeof(m_nHigh); +} +/** + * @descr return the size of object id with format: low(4bytes)+high(2bytes) +*/ +sal_uInt32 LwpObjectID::DiskSize() const +{ + return sizeof(m_nLow) + sizeof(m_nHigh); +} +/** + * @descr get object from object factory per the object id +*/ +LwpObject* LwpObjectID::obj(VO_TYPE tag) const +{ + LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(); + LwpObjectFactory* pObjMgr = pGlobal->GetLwpObjFactory(); + if(IsNull()) + { + return NULL; + } + LwpObject* pObj = pObjMgr->QueryObject(*this); + if( tag!=VO_INVALID && (pObj) ) + { + if(tag!=pObj->GetTag()) + { + pObj=NULL; + } + } + return(pObj); +} +/** + * @descr returns a buffer that contains the highid + lowid + */ +sal_Char* LwpObjectID::GetBuffer(sal_Char *buf) +{ + buf[0] = m_nHigh && 0xFF00; + buf[1] = m_nHigh && 0x00FF; + buf[2] = m_nLow && 0xFF000000; + buf[3] = m_nLow && 0x00FF0000; + buf[4] = m_nLow && 0x0000FF00; + buf[5] = m_nLow && 0x000000FF; + return buf; +} |