1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmloff.hxx"
26 #include "TokenContext.hxx"
27 #include <xmloff/xmltkmap.hxx>
28 #include <xmloff/xmlimp.hxx>
29 #include <xmloff/nmspmap.hxx>
30 #include "xmloff/xmlerror.hxx"
31
32 #include <tools/debug.hxx>
33
34 using rtl::OUString;
35 using com::sun::star::uno::Reference;
36 using com::sun::star::xml::sax::XAttributeList;
37
38
39 struct SvXMLTokenMapEntry aEmptyMap[1] =
40 {
41 XML_TOKEN_MAP_END
42 };
43
44
TokenContext(SvXMLImport & rImport,sal_uInt16 nPrefix,const OUString & rLocalName,const SvXMLTokenMapEntry * pAttributes,const SvXMLTokenMapEntry * pChildren)45 TokenContext::TokenContext( SvXMLImport& rImport,
46 sal_uInt16 nPrefix,
47 const OUString& rLocalName,
48 const SvXMLTokenMapEntry* pAttributes,
49 const SvXMLTokenMapEntry* pChildren )
50 : SvXMLImportContext( rImport, nPrefix, rLocalName ),
51 mpAttributes( pAttributes ),
52 mpChildren( pChildren )
53 {
54 }
55
~TokenContext()56 TokenContext::~TokenContext()
57 {
58 }
59
StartElement(const Reference<XAttributeList> & xAttributeList)60 void TokenContext::StartElement(
61 const Reference<XAttributeList>& xAttributeList )
62 {
63 // iterate over attributes
64 // - if in map: call HandleAttribute
65 // - xmlns:... : ignore
66 // - other: warning
67 DBG_ASSERT( mpAttributes != NULL, "no token map for attributes" );
68 SvXMLTokenMap aMap( mpAttributes );
69
70 sal_Int16 nCount = xAttributeList->getLength();
71 for( sal_Int16 i = 0; i < nCount; i++ )
72 {
73 // get key/local-name pair from namespace map
74 OUString sLocalName;
75 sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
76 GetKeyByAttrName( xAttributeList->getNameByIndex(i), &sLocalName );
77
78 // get token from token map
79 sal_uInt16 nToken = aMap.Get( nPrefix, sLocalName );
80
81 // and the value...
82 const OUString& rValue = xAttributeList->getValueByIndex(i);
83
84 if( nToken != XML_TOK_UNKNOWN )
85 {
86 HandleAttribute( nToken, rValue );
87 }
88 else if( nPrefix != XML_NAMESPACE_XMLNS )
89 {
90 // error handling, for all attribute that are not
91 // namespace declarations
92 GetImport().SetError( XMLERROR_UNKNOWN_ATTRIBUTE,
93 sLocalName, rValue);
94 }
95 }
96 }
97
CreateChildContext(sal_uInt16 nPrefix,const OUString & rLocalName,const Reference<XAttributeList> & xAttrList)98 SvXMLImportContext* TokenContext::CreateChildContext(
99 sal_uInt16 nPrefix,
100 const OUString& rLocalName,
101 const Reference<XAttributeList>& xAttrList )
102 {
103 // call HandleChild for elements in token map. Ignore other content.
104
105 SvXMLImportContext* pContext = NULL;
106
107 DBG_ASSERT( mpChildren != NULL, "no token map for child elements" );
108 SvXMLTokenMap aMap( mpChildren );
109 sal_uInt16 nToken = aMap.Get( nPrefix, rLocalName );
110 if( nToken != XML_TOK_UNKNOWN )
111 {
112 // call handle child, and pass down arguments
113 pContext = HandleChild( nToken, nPrefix, rLocalName, xAttrList );
114 }
115
116 // error handling: create default context and generate warning
117 if( pContext == NULL )
118 {
119 GetImport().SetError( XMLERROR_UNKNOWN_ELEMENT, rLocalName );
120 pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
121 }
122 return pContext;
123 }
124
lcl_IsWhiteSpace(sal_Unicode c)125 bool lcl_IsWhiteSpace( sal_Unicode c )
126 {
127 return c == sal_Unicode( ' ' )
128 || c == sal_Unicode( 0x09 )
129 || c == sal_Unicode( 0x0A )
130 || c == sal_Unicode( 0x0D );
131 }
132
Characters(const::rtl::OUString & rCharacters)133 void TokenContext::Characters( const ::rtl::OUString& rCharacters )
134 {
135 // get iterators for string data
136 const sal_Unicode* pBegin = rCharacters.getStr();
137 const sal_Unicode* pEnd = &( pBegin[ rCharacters.getLength() ] );
138
139 // raise error if non-whitespace character is found
140 if( ::std::find_if( pBegin, pEnd, ::std::not1(::std::ptr_fun(lcl_IsWhiteSpace)) ) != pEnd )
141 GetImport().SetError( XMLERROR_UNKNOWN_CHARACTERS, rCharacters );
142 }
143