LibreOffice Module oox (master)  1
relationshandler.cxx
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19 
20 #include <sal/config.h>
21 
22 #include <string_view>
23 
25 
26 #include <sal/log.hxx>
28 #include <oox/token/namespaces.hxx>
29 #include <oox/token/tokens.hxx>
30 
31 namespace oox::core {
32 
33 using namespace ::com::sun::star::uno;
34 using namespace ::com::sun::star::xml::sax;
35 
36 namespace {
37 
38 /* Build path to relations file from passed fragment path, e.g.:
39  'path/path/file.xml' -> 'path/path/_rels/file.xml.rels'
40  'file.xml' -> '_rels/file.xml.rels'
41  '' -> '_rels/.rels'
42  */
43 OUString lclGetRelationsPath( const OUString& rFragmentPath )
44 {
45  sal_Int32 nPathLen = ::std::max< sal_Int32 >( rFragmentPath.lastIndexOf( '/' ) + 1, 0 );
46  return OUString::Concat(std::u16string_view(rFragmentPath.getStr(), nPathLen )) + // file path including slash
47  "_rels/" + // additional '_rels/' path
48  std::u16string_view(rFragmentPath.getStr() + nPathLen) + // file name after path
49  ".rels"; // '.rels' suffix
50 }
51 
52 } // namespace
53 
55  FragmentHandler( rFilter, lclGetRelationsPath( xRelations->getFragmentPath() ), xRelations ),
56  mxRelations( xRelations )
57 {
58 }
59 
60 Reference< XFastContextHandler > RelationsFragment::createFastChildContext(
61  sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
62 {
63  Reference< XFastContextHandler > xRet;
64  AttributeList aAttribs( rxAttribs );
65  switch( nElement )
66  {
67  case PR_TOKEN( Relationship ):
68  {
69  Relation aRelation;
70  aRelation.maId = aAttribs.getString( XML_Id, OUString() );
71  aRelation.maType = aAttribs.getString( XML_Type, OUString() );
72  aRelation.maTarget = aAttribs.getString( XML_Target, OUString() );
73  if( !aRelation.maId.isEmpty() && !aRelation.maType.isEmpty() && !aRelation.maTarget.isEmpty() )
74  {
75  sal_Int32 nTargetMode = aAttribs.getToken( XML_TargetMode, XML_Internal );
76  SAL_WARN_IF( (nTargetMode != XML_Internal) && (nTargetMode != XML_External), "oox",
77  "RelationsFragment::createFastChildContext - unexpected target mode, assuming external" );
78  aRelation.mbExternal = nTargetMode != XML_Internal;
79 
80  SAL_WARN_IF( mxRelations->count( aRelation.maId ) != 0, "oox",
81  "RelationsFragment::createFastChildContext - relation identifier exists already" );
82  mxRelations->emplace( aRelation.maId, aRelation );
83  }
84  }
85  break;
86  case PR_TOKEN( Relationships ):
87  xRet = getFastContextHandler();
88  break;
89  }
90  return xRet;
91 }
92 
93 } // namespace oox::core
94 
95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
std::shared_ptr< Relations > RelationsRef
Definition: relations.hxx:63
css::uno::Reference< css::xml::sax::XFastContextHandler > getFastContextHandler()
Returns the com.sun.star.xml.sax.XFastContextHandler interface of this context.
OptValue< OUString > getString(sal_Int32 nAttrToken) const
Returns the string value of the specified attribute.
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList > &rxAttribs) override
RelationsFragment(XmlFilterBase &rFilter, const RelationsRef &xRelations)
Provides access to attribute values of an element.
#define SAL_WARN_IF(condition, area, stream)
Relationship
OptValue< sal_Int32 > getToken(sal_Int32 nAttrToken) const
Returns the token identifier of the value of the specified attribute.