xmloff/source/xforms/TokenContext.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_xmloff.hxx"
  33 #include "TokenContext.hxx"
  34 #include <xmloff/xmltkmap.hxx>
  35 #include <xmloff/xmlimp.hxx>
  36 #include <xmloff/nmspmap.hxx>
  37 #include "xmlerror.hxx"
  38
  39 #include <tools/debug.hxx>
  40
  41 using rtl::OUString;
  42 using com::sun::star::uno::Reference;
  43 using com::sun::star::xml::sax::XAttributeList;
  44
  45
  46 struct SvXMLTokenMapEntry aEmptyMap[1] =
  47 {
  48     XML_TOKEN_MAP_END
  49 };
  50
  51
  52 TokenContext::TokenContext( SvXMLImport& rImport,
  53                             USHORT nPrefix,
  54                             const OUString& rLocalName,
  55                             const SvXMLTokenMapEntry* pAttributes,
  56                             const SvXMLTokenMapEntry* pChildren )
  57     : SvXMLImportContext( rImport, nPrefix, rLocalName ),
  58       mpAttributes( pAttributes ),
  59       mpChildren( pChildren )
  60 {
  61 }
  62
  63 TokenContext::~TokenContext()
  64 {
  65 }
  66
  67 void TokenContext::StartElement(
  68     const Reference<XAttributeList>& xAttributeList )
  69 {
  70     // iterate over attributes
  71     // - if in map: call HandleAttribute
  72     // - xmlns:... : ignore
  73     // - other: warning
  74     DBG_ASSERT( mpAttributes != NULL, "no token map for attributes" );
  75     SvXMLTokenMap aMap( mpAttributes );
  76
  77     sal_Int16 nCount = xAttributeList->getLength();
  78     for( sal_Int16 i = 0; i < nCount; i++ )
  79     {
  80         // get key/local-name pair from namespace map
  81         OUString sLocalName;
  82         sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
  83             GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );
  84
  85         // get token from token map
  86         sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );
  87
  88         // and the value...
  89         const OUString& rValue = xAttributeList->getValueByIndex(i);
  90
  91         if( nToken != XML_TOK_UNKNOWN )
  92         {
  93             HandleAttribute( nToken, rValue );
  94         }
  95         else if( nPrefix != XML_NAMESPACE_XMLNS )
  96         {
  97             // error handling, for all attribute that are not
  98             // namespace declarations
  99             GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
 100                                   sLocalName, rValue);
 101         }
 102     }
 103 }
 104
 105 SvXMLImportContext* TokenContext::CreateChildContext(
 106     USHORT nPrefix,
 107     const OUString& rLocalName,
 108     const Reference<XAttributeList>& xAttrList )
 109 {
 110     // call HandleChild for elements in token map. Ignore other content.
 111
 112     SvXMLImportContext* pContext = NULL;
 113
 114     DBG_ASSERT( mpChildren != NULL, "no token map for child elements" );
 115     SvXMLTokenMap aMap( mpChildren );
 116     sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
 117     if( nToken != XML_TOK_UNKNOWN )
 118     {
 119         // call handle child, and pass down arguments
 120         pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
 121     }
 122
 123     // error handling: create default context and generate warning
 124     if( pContext == NULL )
 125     {
 126         GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
 127         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
 128     }
 129     return pContext;
 130 }
 131
 132 bool lcl_IsWhiteSpace( sal_Unicode c )
 133 {
 134     return c == sal_Unicode(  ' ' )
 135         || c == sal_Unicode( 0x09 )
 136         || c == sal_Unicode( 0x0A )
 137         || c == sal_Unicode( 0x0D );
 138 }
 139
 140 void TokenContext::Characters( const ::rtl::OUString& rCharacters )
 141 {
 142     // get iterators for string data
 143     const sal_Unicode* pBegin = rCharacters.getStr();
 144     const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );
 145
 146     // raise error if non-whitespace character is found
 147     if( ::std::find_if( pBegin, pEnd, ::std::not1(::std::ptr_fun(lcl_IsWhiteSpace)) ) != pEnd )
 148         GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
 149 }