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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 :
21 : #include "DomExport.hxx"
22 :
23 : #include <xmloff/nmspmap.hxx>
24 : #include <xmloff/xmlexp.hxx>
25 : #include <xmloff/xmlerror.hxx>
26 :
27 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
28 : #include <com/sun/star/uno/Reference.hxx>
29 : #include <com/sun/star/uno/Sequence.hxx>
30 : #include <com/sun/star/xml/dom/XAttr.hpp>
31 : #include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
32 : #include <com/sun/star/xml/dom/XNode.hpp>
33 : #include <com/sun/star/xml/dom/XElement.hpp>
34 : #include <com/sun/star/xml/dom/XEntity.hpp>
35 : #include <com/sun/star/xml/dom/XNotation.hpp>
36 : #include <com/sun/star/xml/sax/XAttributeList.hpp>
37 : #include <com/sun/star/xml/dom/NodeType.hpp>
38 : #include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
39 :
40 : #include <rtl/ustring.hxx>
41 : #include <rtl/ustrbuf.hxx>
42 : #include <tools/debug.hxx>
43 :
44 :
45 : #include <vector>
46 :
47 :
48 : using com::sun::star::lang::XMultiServiceFactory;
49 : using com::sun::star::uno::Reference;
50 : using com::sun::star::uno::Sequence;
51 : using com::sun::star::uno::UNO_QUERY;
52 : using com::sun::star::uno::UNO_QUERY_THROW;
53 : using std::vector;
54 :
55 : using namespace com::sun::star::xml::dom;
56 :
57 :
58 :
59 : class DomVisitor
60 : {
61 : public:
62 0 : DomVisitor() {}
63 0 : virtual ~DomVisitor() {}
64 0 : virtual void element( const Reference<XElement>& ) {}
65 0 : virtual void character( const Reference<XCharacterData>& ) {}
66 0 : virtual void attribute( const Reference<XAttr>& ) {}
67 0 : virtual void cdata( const Reference<XCDATASection>& ) {}
68 0 : virtual void comment( const Reference<XComment>& ) {}
69 0 : virtual void documentFragment( const Reference<XDocumentFragment>& ) {}
70 0 : virtual void document( const Reference<XDocument>& ) {}
71 0 : virtual void documentType( const Reference<XDocumentType>& ) {}
72 0 : virtual void entity( const Reference<XEntity>& ) {}
73 0 : virtual void entityReference( const Reference<XEntityReference>& ) {}
74 0 : virtual void notation( const Reference<XNotation>& ) {}
75 0 : virtual void processingInstruction( const Reference<XProcessingInstruction>& ) {}
76 0 : virtual void endElement( const Reference<XElement>& ) {}
77 : };
78 :
79 : void visit( DomVisitor&, const Reference<XDocument>& );
80 : void visit( DomVisitor&, const Reference<XNode>& );
81 :
82 :
83 :
84 0 : void visitNode( DomVisitor& rVisitor, const Reference<XNode>& xNode )
85 : {
86 0 : switch( xNode->getNodeType() )
87 : {
88 : case NodeType_ATTRIBUTE_NODE:
89 0 : rVisitor.attribute( Reference<XAttr>( xNode, UNO_QUERY_THROW ) );
90 0 : break;
91 : case NodeType_CDATA_SECTION_NODE:
92 0 : rVisitor.cdata( Reference<XCDATASection>( xNode, UNO_QUERY_THROW ) );
93 0 : break;
94 : case NodeType_COMMENT_NODE:
95 0 : rVisitor.comment( Reference<XComment>( xNode, UNO_QUERY_THROW ) );
96 0 : break;
97 : case NodeType_DOCUMENT_FRAGMENT_NODE:
98 0 : rVisitor.documentFragment( Reference<XDocumentFragment>( xNode, UNO_QUERY_THROW ) );
99 0 : break;
100 : case NodeType_DOCUMENT_NODE:
101 0 : rVisitor.document( Reference<XDocument>( xNode, UNO_QUERY_THROW ) );
102 0 : break;
103 : case NodeType_DOCUMENT_TYPE_NODE:
104 0 : rVisitor.documentType( Reference<XDocumentType>( xNode, UNO_QUERY_THROW ) );
105 0 : break;
106 : case NodeType_ELEMENT_NODE:
107 0 : rVisitor.element( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
108 0 : break;
109 : case NodeType_ENTITY_NODE:
110 0 : rVisitor.entity( Reference<XEntity>( xNode, UNO_QUERY_THROW ) );
111 0 : break;
112 : case NodeType_ENTITY_REFERENCE_NODE:
113 0 : rVisitor.entityReference( Reference<XEntityReference>( xNode, UNO_QUERY_THROW ) );
114 0 : break;
115 : case NodeType_NOTATION_NODE:
116 0 : rVisitor.notation( Reference<XNotation>( xNode, UNO_QUERY_THROW ) );
117 0 : break;
118 : case NodeType_PROCESSING_INSTRUCTION_NODE:
119 0 : rVisitor.processingInstruction( Reference<XProcessingInstruction>( xNode, UNO_QUERY_THROW ) );
120 0 : break;
121 : case NodeType_TEXT_NODE:
122 0 : rVisitor.character( Reference<XCharacterData>( xNode, UNO_QUERY_THROW ) );
123 0 : break;
124 : default:
125 : OSL_FAIL( "unknown DOM node type" );
126 0 : break;
127 : }
128 0 : }
129 :
130 0 : void visit( DomVisitor& rVisitor, const Reference<XDocument>& xDocument )
131 : {
132 0 : visit( rVisitor, Reference<XNode>( xDocument, UNO_QUERY_THROW ) );
133 0 : }
134 :
135 0 : void visit( DomVisitor& rVisitor, const Reference<XNode>& xNode )
136 : {
137 0 : visitNode( rVisitor, xNode );
138 0 : for( Reference<XNode> xChild = xNode->getFirstChild();
139 : xChild.is();
140 0 : xChild = xChild->getNextSibling() )
141 : {
142 0 : visit( rVisitor, xChild );
143 0 : }
144 0 : if( xNode->getNodeType() == NodeType_ELEMENT_NODE )
145 0 : rVisitor.endElement( Reference<XElement>( xNode, UNO_QUERY_THROW ) );
146 0 : }
147 :
148 :
149 :
150 : class DomExport: public DomVisitor
151 : {
152 : SvXMLExport& mrExport;
153 : vector<SvXMLNamespaceMap> maNamespaces;
154 :
155 : void pushNamespace();
156 : void popNamespace();
157 : void addNamespace( const OUString& sPrefix, const OUString& sURI );
158 : OUString qualifiedName( const OUString& sPrefix, const OUString& sURI,
159 : const OUString& sLocalName );
160 : OUString qualifiedName( const Reference<XElement>& );
161 : OUString qualifiedName( const Reference<XAttr>& );
162 : void addAttribute( const Reference<XAttr>& );
163 :
164 : public:
165 :
166 : DomExport( SvXMLExport& rExport );
167 : virtual ~DomExport();
168 :
169 : virtual void element( const Reference<XElement>& ) SAL_OVERRIDE;
170 : virtual void endElement( const Reference<XElement>& ) SAL_OVERRIDE;
171 : virtual void character( const Reference<XCharacterData>& ) SAL_OVERRIDE;
172 : };
173 :
174 0 : DomExport::DomExport( SvXMLExport& rExport ) :
175 0 : mrExport( rExport )
176 : {
177 0 : maNamespaces.push_back( rExport.GetNamespaceMap() );
178 0 : }
179 :
180 0 : DomExport::~DomExport()
181 : {
182 : DBG_ASSERT( maNamespaces.size() == 1, "namespace missing" );
183 0 : maNamespaces.clear();
184 0 : }
185 :
186 0 : void DomExport::pushNamespace()
187 : {
188 0 : SvXMLNamespaceMap const aMap(maNamespaces.back());
189 0 : maNamespaces.push_back(aMap);
190 0 : }
191 :
192 0 : void DomExport::popNamespace()
193 : {
194 0 : maNamespaces.pop_back();
195 0 : }
196 :
197 0 : void DomExport::addNamespace( const OUString& sPrefix, const OUString& sURI )
198 : {
199 0 : SvXMLNamespaceMap& rMap = maNamespaces.back();
200 0 : sal_uInt16 nKey = rMap.GetKeyByPrefix( sPrefix );
201 :
202 : // we need to register the namespace, if either the prefix isn't known or
203 : // is used for a different namespace
204 0 : if( nKey == XML_NAMESPACE_UNKNOWN ||
205 0 : rMap.GetNameByKey( nKey ) != sURI )
206 : {
207 : // add prefix to map, and add declaration
208 0 : rMap.Add( sPrefix, sURI );
209 0 : mrExport.AddAttribute( "xmlns:" + sPrefix, sURI );
210 : }
211 0 : }
212 :
213 0 : OUString DomExport::qualifiedName( const OUString& sPrefix,
214 : const OUString& sURI,
215 : const OUString& sLocalName )
216 : {
217 0 : OUStringBuffer sBuffer;
218 0 : if( !sPrefix.isEmpty() && !sURI.isEmpty() )
219 : {
220 0 : addNamespace( sPrefix, sURI );
221 0 : sBuffer.append( sPrefix );
222 0 : sBuffer.append( ':' );
223 : }
224 0 : sBuffer.append( sLocalName );
225 0 : return sBuffer.makeStringAndClear();
226 : }
227 :
228 0 : OUString DomExport::qualifiedName( const Reference<XElement>& xElement )
229 : {
230 0 : return qualifiedName( xElement->getPrefix(), xElement->getNamespaceURI(),
231 0 : xElement->getNodeName() );
232 : }
233 :
234 0 : OUString DomExport::qualifiedName( const Reference<XAttr>& xAttr )
235 : {
236 0 : return qualifiedName( xAttr->getPrefix(), xAttr->getNamespaceURI(),
237 0 : xAttr->getNodeName() );
238 : }
239 :
240 0 : void DomExport::addAttribute( const Reference<XAttr>& xAttribute )
241 : {
242 : mrExport.AddAttribute( qualifiedName( xAttribute ),
243 0 : xAttribute->getNodeValue() );
244 0 : }
245 :
246 0 : void DomExport::element( const Reference<XElement>& xElement )
247 : {
248 0 : pushNamespace();
249 :
250 : // write attributes
251 0 : Reference<XNamedNodeMap> xAttributes = xElement->getAttributes();
252 0 : sal_Int32 nLength = xAttributes.is() ? xAttributes->getLength() : 0;
253 0 : for( sal_Int32 n = 0; n < nLength; n++ )
254 : {
255 0 : addAttribute( Reference<XAttr>( xAttributes->item( n ), UNO_QUERY_THROW ) );
256 : }
257 :
258 : // write name
259 0 : mrExport.StartElement( qualifiedName( xElement ), false );
260 0 : }
261 :
262 0 : void DomExport::endElement( const Reference<XElement>& xElement )
263 : {
264 0 : mrExport.EndElement( qualifiedName( xElement ), false );
265 0 : popNamespace();
266 0 : }
267 :
268 0 : void DomExport::character( const Reference<XCharacterData>& xChars )
269 : {
270 0 : mrExport.Characters( xChars->getNodeValue() );
271 0 : }
272 :
273 :
274 0 : void exportDom( SvXMLExport& rExport, const Reference<XDocument>& xDocument )
275 : {
276 0 : DomExport aDomExport( rExport );
277 0 : visit( aDomExport, xDocument );
278 0 : }
279 :
280 0 : void exportDom( SvXMLExport& rExport, const Reference<XNode>& xNode )
281 : {
282 0 : DomExport aDomExport( rExport );
283 0 : visit( aDomExport, xNode );
284 0 : }
285 :
286 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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