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Diffstat (limited to 'lotuswordpro/source/filter/lwpobjid.cxx')
| -rw-r--r-- | lotuswordpro/source/filter/lwpobjid.cxx | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/lotuswordpro/source/filter/lwpobjid.cxx b/lotuswordpro/source/filter/lwpobjid.cxx new file mode 100644 index 000000000..a0a278ec5 --- /dev/null +++ b/lotuswordpro/source/filter/lwpobjid.cxx @@ -0,0 +1,202 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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 + ************************************************************************/ + +#include <lwpobjid.hxx> +#include <lwpfilehdr.hxx> +#include <lwpobjfactory.hxx> +#include <lwpglobalmgr.hxx> + +LwpObjectID::LwpObjectID() + : m_nLow(0) + , m_nHigh(0) + , m_nIndex(0) + , m_bIsCompressed(false) +{ +} +/** + * @descr Read object id with format: low(4bytes)+high(2bytes) from stream + * for LWP7 record +*/ +void LwpObjectID::Read(LwpSvStream* pStrm) +{ + pStrm->ReadUInt32(m_nLow); + pStrm->ReadUInt16(m_nHigh); +} +/** + * @descr Read object id with format: low(4bytes)+high(2bytes) from object stream +*/ +sal_uInt32 LwpObjectID::Read(LwpObjectStream* pObj) +{ + m_nLow = pObj->QuickReaduInt32(); + m_nHigh = pObj->QuickReaduInt16(); + 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 +*/ +void LwpObjectID::ReadIndexed(LwpSvStream* pStrm) +{ + //note the m_nLow store the index instead of time from the timetable as in LWP + m_bIsCompressed = false; + if (LwpFileHeader::m_nFileRevision < 0x000B) + { + Read(pStrm); + return; + } + + pStrm->ReadUInt8(m_nIndex); + + if (m_nIndex) + { + m_bIsCompressed = 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& rIdxMgr = pFactory->GetIndexManager(); + m_nLow = rIdxMgr.GetObjTime(static_cast<sal_uInt16>(m_nIndex)); + } + else + { + pStrm->ReadUInt32(m_nLow); + } + pStrm->ReadUInt16(m_nHigh); + 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 = false; + if (LwpFileHeader::m_nFileRevision < 0x000B) + { + return Read(pStrm); + } + + m_nIndex = pStrm->QuickReaduInt8(); + if (m_nIndex) + { + m_bIsCompressed = 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& rIdxMgr = pFactory->GetIndexManager(); + m_nLow = rIdxMgr.GetObjTime(static_cast<sal_uInt16>(m_nIndex)); + } + else + m_nLow = pStrm->QuickReaduInt32(); + m_nHigh = pStrm->QuickReaduInt16(); + return DiskSizeIndexed(); +} +/** + * @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 +*/ +void LwpObjectID::ReadCompressed(LwpObjectStream* pObj, LwpObjectID const& prev) +{ + sal_uInt8 diff = pObj->QuickReaduInt8(); + + if (diff == 255) + { + Read(pObj); + } + else + { + m_nLow = prev.GetLow(); + m_nHigh = prev.GetHigh() + diff + 1; + } +} +/** + * @descr return the size of indexed object id +*/ +sal_uInt32 LwpObjectID::DiskSizeIndexed() const +{ + return sizeof(sal_uInt8) + ((m_nIndex != 0) ? 0 : sizeof(m_nLow)) + sizeof(m_nHigh); +} +/** + * @descr get object from object factory per the object id +*/ +rtl::Reference<LwpObject> LwpObjectID::obj(VO_TYPE tag) const +{ + if (IsNull()) + { + return nullptr; + } + LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(); + LwpObjectFactory* pObjMgr = pGlobal->GetLwpObjFactory(); + rtl::Reference<LwpObject> pObj = pObjMgr->QueryObject(*this); + if (tag != VO_INVALID && (pObj.is())) + { + if (static_cast<sal_uInt32>(tag) != pObj->GetTag()) + { + pObj.clear(); + } + } + return pObj; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |