oox/source/core/relationshandler.cxx

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  30
  31 #include "oox/core/relationshandler.hxx"
  32 #include <rtl/ustrbuf.hxx>
  33 #include "tokens.hxx"
  34 #include "oox/helper/attributelist.hxx"
  35 #include "oox/core/namespaces.hxx"
  36
  37 using ::rtl::OUString;
  38 using ::rtl::OUStringBuffer;
  39 using namespace ::com::sun::star::uno;
  40 using namespace ::com::sun::star::xml::sax;
  41
  42 namespace oox {
  43 namespace core {
  44
  45 // ============================================================================
  46
  47 namespace {
  48
  49 /*  Build path to relations file from passed fragment path, e.g.:
  50         'path/path/file.xml'    -> 'path/path/_rels/file.xml.rels'
  51         'file.xml'              -> '_rels/file.xml.rels'
  52         ''                      -> '_rels/.rels'
  53  */
  54 OUString lclGetRelationsPath( const OUString& rFragmentPath )
  55 {
  56     sal_Int32 nPathLen = ::std::max< sal_Int32 >( rFragmentPath.lastIndexOf( '/' ) + 1, 0 );
  57     return
  58         OUStringBuffer( rFragmentPath.copy( 0, nPathLen ) ).    // file path including slash
  59         appendAscii( "_rels/" ).                                // additional '_rels/' path
  60         append( rFragmentPath.copy( nPathLen ) ).               // file name after path
  61         appendAscii( ".rels" ).                                 // '.rels' suffix
  62         makeStringAndClear();
  63 }
  64
  65 } // namespace
  66
  67 // ============================================================================
  68
  69 RelationsFragment::RelationsFragment( XmlFilterBase& rFilter, RelationsRef xRelations ) :
  70     FragmentHandler( rFilter, lclGetRelationsPath( xRelations->getFragmentPath() ), xRelations ),
  71     mxRelations( xRelations )
  72 {
  73 }
  74
  75 Reference< XFastContextHandler > RelationsFragment::createFastChildContext(
  76         sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw (SAXException, RuntimeException)
  77 {
  78     Reference< XFastContextHandler > xRet;
  79     AttributeList aAttribs( rxAttribs );
  80     switch( nElement )
  81     {
  82         case NMSP_PACKAGE_RELATIONSHIPS|XML_Relationship:
  83         {
  84             Relation aRelation;
  85             aRelation.maId     = aAttribs.getString( XML_Id, OUString() );
  86             aRelation.maType   = aAttribs.getString( XML_Type, OUString() );
  87             aRelation.maTarget = aAttribs.getString( XML_Target, OUString() );
  88             if( (aRelation.maId.getLength() > 0) && (aRelation.maType.getLength() > 0) && (aRelation.maTarget.getLength() > 0) )
  89             {
  90                 sal_Int32 nTargetMode = aAttribs.getToken( XML_TargetMode, XML_Internal );
  91                 OSL_ENSURE( (nTargetMode == XML_Internal) || (nTargetMode == XML_External),
  92                     "RelationsFragment::createFastChildContext - unexpected target mode, assuming external" );
  93                 aRelation.mbExternal = nTargetMode != XML_Internal;
  94
  95                 OSL_ENSURE( mxRelations->count( aRelation.maId ) == 0,
  96                     "RelationsFragment::createFastChildContext - relation identifier exists already" );
  97                 mxRelations->insert( Relations::value_type( aRelation.maId, aRelation ) );
  98             }
  99         }
 100         break;
 101         case NMSP_PACKAGE_RELATIONSHIPS|XML_Relationships:
 102             xRet = getFastContextHandler();
 103         break;
 104     }
 105     return xRet;
 106 }
 107
 108 // ============================================================================
 109
 110 } // namespace core
 111 } // namespace oox
 112