oox/source/core/relationshandler.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "oox/core/relationshandler.hxx"
  21
  22 #include <rtl/ustrbuf.hxx>
  23 #include "oox/helper/attributelist.hxx"
  24 #include <oox/token/namespaces.hxx>
  25 #include <oox/token/tokens.hxx>
  26
  27 namespace oox {
  28 namespace core {
  29
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star::xml::sax;
  32
  33 namespace {
  34
  35 /*  Build path to relations file from passed fragment path, e.g.:
  36         'path/path/file.xml'    -> 'path/path/_rels/file.xml.rels'
  37         'file.xml'              -> '_rels/file.xml.rels'
  38         ''                      -> '_rels/.rels'
  39  */
  40 OUString lclGetRelationsPath( const OUString& rFragmentPath )
  41 {
  42     sal_Int32 nPathLen = ::std::max< sal_Int32 >( rFragmentPath.lastIndexOf( '/' ) + 1, 0 );
  43     return
  44         OUStringBuffer( rFragmentPath.copy( 0, nPathLen ) ).    // file path including slash
  45         append( "_rels/" ).                                // additional '_rels/' path
  46         append( rFragmentPath.copy( nPathLen ) ).               // file name after path
  47         append( ".rels" ).                                 // '.rels' suffix
  48         makeStringAndClear();
  49 }
  50
  51 } // namespace
  52
  53 RelationsFragment::RelationsFragment( XmlFilterBase& rFilter, const RelationsRef& xRelations ) :
  54     FragmentHandler( rFilter, lclGetRelationsPath( xRelations->getFragmentPath() ), xRelations ),
  55     mxRelations( xRelations )
  56 {
  57 }
  58
  59 Reference< XFastContextHandler > RelationsFragment::createFastChildContext(
  60         sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
  61 {
  62     Reference< XFastContextHandler > xRet;
  63     AttributeList aAttribs( rxAttribs );
  64     switch( nElement )
  65     {
  66         case PR_TOKEN( Relationship ):
  67         {
  68             Relation aRelation;
  69             aRelation.maId     = aAttribs.getString( XML_Id, OUString() );
  70             aRelation.maType   = aAttribs.getString( XML_Type, OUString() );
  71             aRelation.maTarget = aAttribs.getString( XML_Target, OUString() );
  72             if( !aRelation.maId.isEmpty() && !aRelation.maType.isEmpty() && !aRelation.maTarget.isEmpty() )
  73             {
  74                 sal_Int32 nTargetMode = aAttribs.getToken( XML_TargetMode, XML_Internal );
  75                 SAL_WARN_IF( (nTargetMode != XML_Internal) && (nTargetMode != XML_External), "oox",
  76                     "RelationsFragment::createFastChildContext - unexpected target mode, assuming external" );
  77                 aRelation.mbExternal = nTargetMode != XML_Internal;
  78
  79                 SAL_WARN_IF( mxRelations->count( aRelation.maId ) != 0, "oox",
  80                     "RelationsFragment::createFastChildContext - relation identifier exists already" );
  81                 mxRelations->insert( ::std::map< OUString, Relation >::value_type( aRelation.maId, aRelation ) );
  82             }
  83         }
  84         break;
  85         case PR_TOKEN( Relationships ):
  86             xRet = getFastContextHandler();
  87         break;
  88     }
  89     return xRet;
  90 }
  91
  92 } // namespace core
  93 } // namespace oox
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */