lotuswordpro/source/filter/lwp9reader.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  The Contents of this file are made available subject to the terms of
   5  *  either of the following licenses
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   7  *         - GNU Lesser General Public License Version 2.1
   8  *         - Sun Industry Standards Source License Version 1.1
   9  *
  10  *  Sun Microsystems Inc., October, 2000
  11  *
  12  *  GNU Lesser General Public License Version 2.1
  13  *  =============================================
  14  *  Copyright 2000 by Sun Microsystems, Inc.
  15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  16  *
  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
  19  *  License version 2.1, as published by the Free Software Foundation.
  20  *
  21  *  This library is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24  *  Lesser General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU Lesser General Public
  27  *  License along with this library; if not, write to the Free Software
  28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  29  *  MA  02111-1307  USA
  30  *
  31  *
  32  *  Sun Industry Standards Source License Version 1.1
  33  *  =================================================
  34  *  The contents of this file are subject to the Sun Industry Standards
  35  *  Source License Version 1.1 (the "License"); You may not use this file
  36  *  except in compliance with the License. You may obtain a copy of the
  37  *  License at http://www.openoffice.org/license.html.
  38  *
  39  *  Software provided under this License is provided on an "AS IS" basis,
  40  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  41  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  42  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  43  *  See the License for the specific provisions governing your rights and
  44  *  obligations concerning the Software.
  45  *
  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
  49  *
  50  *  All Rights Reserved.
  51  *
  52  *  Contributor(s): _______________________________________
  53  *
  54  *
  55  ************************************************************************/
  56
  57 #include "lwp9reader.hxx"
  58 #include "lwpglobalmgr.hxx"
  59 #include "lwparrowstyles.hxx"
  60 #include "lwpobjhdr.hxx"
  61 #include "lwpdoc.hxx"
  62 #include "xfilter/xfstylemanager.hxx"
  63 #include "lwpdocdata.hxx"
  64 #include "lwpbookmarkmgr.hxx"
  65 #include "lwpchangemgr.hxx"
  66 #include <tools/stream.hxx>
  67
  68 Lwp9Reader::Lwp9Reader (LwpSvStream* pInputStream, IXFStream* pStream)
  69     : m_pDocStream(pInputStream)
  70     , m_pStream(pStream)
  71     , m_pObjMgr(NULL)
  72     , m_LwpFileHdr()
  73 {}
  74
  75 /**
  76  * @descr   The entrance of Word Pro 9 import filter.
  77  **/
  78 void Lwp9Reader::Read()
  79 {
  80     LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(m_pDocStream);
  81     try
  82     {
  83         m_pObjMgr = pGlobal->GetLwpObjFactory();
  84
  85         ReadFileHeader();
  86         //Does not support Word Pro 96 and previous versions
  87         if(LwpFileHeader::m_nFileRevision>=0x000B)
  88         {
  89             ReadIndex();
  90             ParseDocument();
  91         }
  92     }
  93     catch(...)
  94     {
  95         LwpGlobalMgr::DeleteInstance();
  96         throw;
  97     }
  98     LwpGlobalMgr::DeleteInstance();
  99 }
 100
 101 /**
 102  * @descr   Read the LWP7 object.
 103  */
 104 void Lwp9Reader::ReadFileHeader()
 105 {
 106     m_pDocStream->Seek(LwpSvStream::LWP_STREAM_BASE);
 107
 108     //Remember to initialize the LwpFileHeader::m_nFileRevision first.
 109     LwpFileHeader::m_nFileRevision = 0;
 110
 111     LwpObjectHeader objHdr;
 112     objHdr.Read(*m_pDocStream);
 113     sal_Int64 pos = m_pDocStream->Tell();
 114     m_LwpFileHdr.Read(m_pDocStream);
 115     m_pDocStream->Seek(pos+objHdr.GetSize());
 116
 117 }
 118
 119 /**
 120  * @descr  Read the index objects at the end of the WordProData stream
 121  */
 122 void Lwp9Reader::ReadIndex()
 123 {
 124     sal_Int64 oldpos = m_pDocStream->Tell();
 125     sal_uInt32 rootoffset = m_LwpFileHdr.GetRootIndexOffset();
 126     m_pDocStream->Seek(rootoffset + LwpSvStream::LWP_STREAM_BASE);
 127     m_pObjMgr->ReadIndex(m_pDocStream);
 128     m_pDocStream->Seek(oldpos);
 129 }
 130
 131 /**
 132  * @descr   Read all objects
 133  *      This function is  replaced by the read on demand model
 134  *      Reserverd for future use
 135 */
 136 void Lwp9Reader::DumpAllObjects()
 137 {
 138     sal_Int64 nFileSize = GetFileSize();
 139     sal_Int64 nFilePos = m_pDocStream->Tell();
 140
 141     while(true)
 142     {
 143         LwpObjectHeader objHdr;
 144         objHdr.Read(*m_pDocStream);
 145         nFilePos = m_pDocStream->Tell();
 146         //Stop when reaching the index object
 147         if(objHdr.GetTag() >= VO_ROOTLEAFOBJINDEX)
 148         {
 149             break;
 150         }
 151         //Stop when the length exceeds the file length
 152         if(nFilePos + objHdr.GetSize() > nFileSize)
 153         {
 154             assert(false);
 155             break;
 156         }
 157         m_pObjMgr->CreateObject(objHdr.GetTag(), objHdr);
 158         m_pDocStream->Seek(nFilePos+objHdr.GetSize());
 159     }
 160 }
 161
 162 /**
 163  * @descr   Get file size
 164 */
 165 sal_Int64 Lwp9Reader::GetFileSize()
 166 {
 167     sal_Int64 pos = m_pDocStream->Tell();
 168     m_pDocStream->Seek(0);
 169
 170     sal_Int64 size = m_pDocStream->Seek( STREAM_SEEK_TO_END);
 171     m_pDocStream->Seek(pos);
 172     return size;
 173 }
 174
 175 /**
 176  * @descr       Parse all document content
 177 */
 178 void Lwp9Reader::ParseDocument()
 179 {
 180     WriteDocHeader();
 181
 182     //Get root document
 183     LwpDocument* doc = dynamic_cast<LwpDocument*> ( m_LwpFileHdr.GetDocID().obj().get() );
 184
 185     if (!doc)
 186         return;
 187
 188     //Parse Doc Data
 189     LwpDocData *pDocData = dynamic_cast<LwpDocData*>(doc->GetDocData().obj().get());
 190     if (pDocData!=NULL)
 191         pDocData->Parse(m_pStream);
 192
 193     //Register Styles
 194     RegisteArrowStyles();
 195     doc->RegisterStyle();
 196     XFStyleManager* pXFStyleManager = LwpGlobalMgr::GetInstance()->GetXFStyleManager();
 197     pXFStyleManager->ToXml(m_pStream);
 198
 199     //Parse document content
 200     m_pStream->GetAttrList()->Clear();
 201     m_pStream->StartElement( "office:body" );
 202
 203     //Parse change list, add by
 204     LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance();
 205     LwpChangeMgr* pChangeMgr = pGlobal->GetLwpChangeMgr();
 206     pChangeMgr->ConvertAllChange(m_pStream);
 207
 208     doc->Parse(m_pStream);
 209     m_pStream->EndElement("office:body");
 210
 211     WriteDocEnd();
 212 }
 213
 214 /**
 215  * @descr   Write xml document header
 216  */
 217 void Lwp9Reader::WriteDocHeader()
 218 {
 219     m_pStream->StartDocument();
 220
 221     IXFAttrList *pAttrList = m_pStream->GetAttrList();
 222
 223     pAttrList->AddAttribute( "xmlns:office", "http://openoffice.org/2000/office" );
 224     pAttrList->AddAttribute( "xmlns:style", "http://openoffice.org/2000/style" );
 225     pAttrList->AddAttribute( "xmlns:text", "http://openoffice.org/2000/text" );
 226     pAttrList->AddAttribute( "xmlns:table", "http://openoffice.org/2000/table" );
 227     pAttrList->AddAttribute( "xmlns:draw", "http://openoffice.org/2000/drawing" );
 228
 229     pAttrList->AddAttribute( "xmlns:fo", "http://www.w3.org/1999/XSL/Format" );
 230     pAttrList->AddAttribute( "xmlns:xlink", "http://www.w3.org/1999/xlink" );
 231     pAttrList->AddAttribute( "xmlns:number", "http://openoffice.org/2000/datastyle" );
 232     pAttrList->AddAttribute( "xmlns:svg", "http://www.w3.org/2000/svg" );
 233     pAttrList->AddAttribute( "xmlns:chart", "http://openoffice.org/2000/chart" );
 234
 235     pAttrList->AddAttribute( "xmlns:dr3d", "http://openoffice.org/2000/dr3d" );
 236     pAttrList->AddAttribute( "xmlns:math", "http://www.w3.org/1998/Math/MathML" );
 237     pAttrList->AddAttribute( "xmlns:form", "http://openoffice.org/2000/form" );
 238     pAttrList->AddAttribute( "xmlns:script", "http://openoffice.org/2000/script" );
 239     pAttrList->AddAttribute( "xmlns:dc", "http://purl.org/dc/elements/1.1/" );
 240
 241     pAttrList->AddAttribute( "xmlns:meta", "http://openoffice.org/2000/meta" );
 242     pAttrList->AddAttribute( "office:class", "text");
 243     pAttrList->AddAttribute( "office:version", "1.0");
 244
 245     m_pStream->StartElement( "office:document" );
 246     pAttrList->Clear();
 247
 248 }
 249 /**
 250  * @descr   Write xml document end
 251  */
 252 void Lwp9Reader::WriteDocEnd()
 253 {
 254     m_pStream->EndElement("office:document");
 255     m_pStream->EndDocument();
 256 }
 257
 258 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */