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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 : #ifndef DOM_NODE_HXX
21 : #define DOM_NODE_HXX
22 :
23 : #include <libxml/tree.h>
24 :
25 : #include <sal/types.h>
26 : #include <rtl/ref.hxx>
27 : #include <rtl/string.hxx>
28 : #include <rtl/ustring.hxx>
29 :
30 : #include <cppuhelper/implbase3.hxx>
31 :
32 : #include <sax/fastattribs.hxx>
33 :
34 : #include <com/sun/star/uno/Reference.h>
35 : #include <com/sun/star/uno/Sequence.h>
36 : #include <com/sun/star/lang/XUnoTunnel.hpp>
37 : #include <com/sun/star/xml/dom/XNode.hpp>
38 : #include <com/sun/star/xml/dom/XNodeList.hpp>
39 : #include <com/sun/star/xml/dom/XNamedNodeMap.hpp>
40 : #include <com/sun/star/xml/dom/NodeType.hpp>
41 : #include <com/sun/star/xml/dom/events/XEventTarget.hpp>
42 : #include <com/sun/star/xml/dom/events/XEvent.hpp>
43 : #include <com/sun/star/xml/dom/DOMException.hpp>
44 : #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
45 : #include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
46 :
47 : #include <boost/unordered_map.hpp>
48 :
49 : using ::rtl::OUString;
50 : using ::rtl::OString;
51 : using namespace sax_fastparser;
52 : using namespace com::sun::star::uno;
53 : using namespace com::sun::star::xml::sax;
54 : using namespace com::sun::star::xml::dom;
55 : using namespace com::sun::star::xml::dom::events;
56 : using com::sun::star::lang::XUnoTunnel;
57 :
58 :
59 : namespace DOM
60 : {
61 6 : struct Context
62 : {
63 6 : Context( const Reference< XFastDocumentHandler >& i_xHandler,
64 : const Reference< XFastTokenHandler >& i_xTokenHandler ) :
65 : maNamespaces( 1, std::vector<Namespace>() ),
66 : maNamespaceMap(101),
67 6 : mxAttribList(new FastAttributeList(i_xTokenHandler)),
68 : mxCurrentHandler(i_xHandler, UNO_QUERY_THROW),
69 : mxDocHandler(i_xHandler),
70 12 : mxTokenHandler(i_xTokenHandler)
71 6 : {}
72 :
73 5582 : struct Namespace
74 : {
75 : OString maPrefix;
76 : sal_Int32 mnToken;
77 : OUString maNamespaceURL;
78 :
79 1306 : const OString& getPrefix() const { return maPrefix; }
80 : };
81 :
82 : typedef std::vector< std::vector<Namespace> > NamespaceVectorType;
83 : typedef boost::unordered_map< OUString,
84 : sal_Int32,
85 : rtl::OUStringHash > NamespaceMapType;
86 :
87 : /// outer vector: xml context; inner vector: current NS
88 : NamespaceVectorType maNamespaces;
89 : NamespaceMapType maNamespaceMap;
90 : ::rtl::Reference<FastAttributeList> mxAttribList;
91 : Reference<XFastContextHandler> mxCurrentHandler;
92 : Reference<XFastDocumentHandler> mxDocHandler;
93 : Reference<XFastTokenHandler> mxTokenHandler;
94 : };
95 :
96 : void pushContext(Context& io_rContext);
97 : void popContext(Context& io_rContext);
98 :
99 : sal_Int32 getTokenWithPrefix( const Context& rContext, const sal_Char* xPrefix, const sal_Char* xName );
100 : sal_Int32 getToken( const Context& rContext, const sal_Char* xName );
101 :
102 : /// add namespaces on this node to context
103 : void addNamespaces(Context& io_rContext, xmlNodePtr pNode);
104 :
105 : class CDocument;
106 :
107 : class CNode : public cppu::WeakImplHelper3< XNode, XUnoTunnel, XEventTarget >
108 : {
109 : friend class CDocument;
110 : friend class CElement;
111 : friend class CAttributesMap;
112 :
113 : private:
114 : bool m_bUnlinked; /// node has been removed from document
115 :
116 : protected:
117 : NodeType const m_aNodeType;
118 : /// libxml node; NB: not const, because invalidate may reset it to 0!
119 : xmlNodePtr m_aNodePtr;
120 :
121 : ::rtl::Reference< CDocument > const m_xDocument;
122 : ::osl::Mutex & m_rMutex;
123 :
124 : // for initialization by classes derived through ImplInheritanceHelper
125 : CNode(CDocument const& rDocument, ::osl::Mutex const& rMutex,
126 : NodeType const& reNodeType, xmlNodePtr const& rpNode);
127 : void invalidate();
128 :
129 : void dispatchSubtreeModified();
130 :
131 : public:
132 :
133 : virtual ~CNode();
134 :
135 : static CNode * GetImplementation(::com::sun::star::uno::Reference<
136 : ::com::sun::star::uno::XInterface> const& xNode);
137 :
138 29938 : xmlNodePtr GetNodePtr() { return m_aNodePtr; }
139 :
140 : virtual CDocument & GetOwnerDocument();
141 :
142 : // recursively create SAX events
143 : virtual void saxify(const Reference< XDocumentHandler >& i_xHandler);
144 :
145 : // recursively create SAX events
146 : virtual void fastSaxify( Context& io_rContext );
147 :
148 : // constrains child relationship between nodes based on type
149 : virtual bool IsChildTypeAllowed(NodeType const nodeType);
150 :
151 : // ---- DOM interfaces
152 :
153 : /**
154 : Adds the node newChild to the end of the list of children of this node.
155 : */
156 : virtual Reference< XNode > SAL_CALL
157 : appendChild(Reference< XNode > const& xNewChild)
158 : throw (RuntimeException, DOMException);
159 :
160 : /**
161 : Returns a duplicate of this node, i.e., serves as a generic copy
162 : constructor for nodes.
163 : */
164 : virtual Reference< XNode > SAL_CALL cloneNode(sal_Bool deep)
165 : throw (RuntimeException);
166 :
167 : /**
168 : A NamedNodeMap containing the attributes of this node
169 : (if it is an Element) or null otherwise.
170 : */
171 : virtual Reference< XNamedNodeMap > SAL_CALL getAttributes()
172 : throw (RuntimeException);
173 :
174 : /**
175 : A NodeList that contains all children of this node.
176 : */
177 : virtual Reference< XNodeList > SAL_CALL getChildNodes()
178 : throw (RuntimeException);
179 :
180 : /**
181 : The first child of this node.
182 : */
183 : virtual Reference< XNode > SAL_CALL getFirstChild()
184 : throw (RuntimeException);
185 :
186 : /**
187 : The last child of this node.
188 : */
189 : virtual Reference< XNode > SAL_CALL getLastChild()
190 : throw (RuntimeException);
191 :
192 : /**
193 : Returns the local part of the qualified name of this node.
194 : */
195 : virtual OUString SAL_CALL getLocalName()
196 : throw (RuntimeException);
197 :
198 : /**
199 : The namespace URI of this node, or null if it is unspecified.
200 : */
201 : virtual OUString SAL_CALL getNamespaceURI()
202 : throw (RuntimeException);
203 :
204 : /**
205 : The node immediately following this node.
206 : */
207 : virtual Reference< XNode > SAL_CALL getNextSibling()
208 : throw (RuntimeException);
209 :
210 : /**
211 : The name of this node, depending on its type; see the table above.
212 : -- virtual implemented by actual node types
213 : */
214 : virtual OUString SAL_CALL getNodeName()
215 : throw (RuntimeException);
216 :
217 : /**
218 : A code representing the type of the underlying object, as defined above.
219 : */
220 : virtual NodeType SAL_CALL getNodeType()
221 : throw (RuntimeException);
222 :
223 : /**
224 : The value of this node, depending on its type; see the table above.
225 : -- virtual implemented by actual node types
226 : */
227 : virtual OUString SAL_CALL getNodeValue()
228 : throw (RuntimeException);
229 :
230 : /**
231 : The Document object associated with this node.
232 : */
233 : virtual Reference< XDocument > SAL_CALL getOwnerDocument()
234 : throw (RuntimeException);
235 :
236 : /**
237 : The parent of this node.
238 : */
239 : virtual Reference< XNode > SAL_CALL getParentNode()
240 : throw (RuntimeException);
241 :
242 : /**
243 : The namespace prefix of this node, or null if it is unspecified.
244 : */
245 : virtual OUString SAL_CALL getPrefix()
246 : throw (RuntimeException);
247 :
248 : /**
249 : The node immediately preceding this node.
250 : */
251 : virtual Reference< XNode > SAL_CALL getPreviousSibling()
252 : throw (RuntimeException);
253 :
254 : /**
255 : Returns whether this node (if it is an element) has any attributes.
256 : */
257 : virtual sal_Bool SAL_CALL hasAttributes()
258 : throw (RuntimeException);
259 :
260 : /**
261 : Returns whether this node has any children.
262 : */
263 : virtual sal_Bool SAL_CALL hasChildNodes()
264 : throw (RuntimeException);
265 :
266 : /**
267 : Inserts the node newChild before the existing child node refChild.
268 : */
269 : virtual Reference< XNode > SAL_CALL insertBefore(
270 : const Reference< XNode >& newChild, const Reference< XNode >& refChild)
271 : throw (RuntimeException, DOMException);
272 :
273 : /**
274 : Tests whether the DOM implementation implements a specific feature and
275 : that feature is supported by this node.
276 : */
277 : virtual sal_Bool SAL_CALL isSupported(const OUString& feature, const OUString& ver)
278 : throw (RuntimeException);
279 :
280 : /**
281 : Puts all Text nodes in the full depth of the sub-tree underneath this
282 : Node, including attribute nodes, into a "normal" form where only structure
283 : (e.g., elements, comments, processing instructions, CDATA sections, and
284 : entity references) separates Text nodes, i.e., there are neither adjacent
285 : Text nodes nor empty Text nodes.
286 : */
287 : virtual void SAL_CALL normalize()
288 : throw (RuntimeException);
289 :
290 : /**
291 : Removes the child node indicated by oldChild from the list of children,
292 : and returns it.
293 : */
294 : virtual Reference< XNode > SAL_CALL removeChild(const Reference< XNode >& oldChild)
295 : throw (RuntimeException, DOMException);
296 :
297 : /**
298 : Replaces the child node oldChild with newChild in the list of children,
299 : and returns the oldChild node.
300 : */
301 : virtual Reference< XNode > SAL_CALL replaceChild(
302 : const Reference< XNode >& newChild, const Reference< XNode >& oldChild)
303 : throw (RuntimeException, DOMException);
304 :
305 : /**
306 : The value of this node, depending on its type; see the table above.
307 : */
308 : virtual void SAL_CALL setNodeValue(const OUString& nodeValue)
309 : throw (RuntimeException, DOMException);
310 :
311 : /**
312 : The namespace prefix of this node, or null if it is unspecified.
313 : */
314 : virtual void SAL_CALL setPrefix(const OUString& prefix)
315 : throw (RuntimeException, DOMException);
316 :
317 :
318 : // --- XEventTarget
319 : virtual void SAL_CALL addEventListener(const OUString& eventType,
320 : const Reference< XEventListener >& listener,
321 : sal_Bool useCapture)
322 : throw (RuntimeException);
323 :
324 : virtual void SAL_CALL removeEventListener(const OUString& eventType,
325 : const Reference< XEventListener >& listener,
326 : sal_Bool useCapture)
327 : throw (RuntimeException);
328 :
329 : virtual sal_Bool SAL_CALL dispatchEvent(const Reference< XEvent >& evt)
330 : throw(RuntimeException, EventException);
331 :
332 : // --- XUnoTunnel
333 : virtual ::sal_Int64 SAL_CALL
334 : getSomething(Sequence< ::sal_Int8 > const& rId)
335 : throw (RuntimeException);
336 : };
337 :
338 : /// eliminate redundant namespace declarations
339 : void nscleanup(const xmlNodePtr aNode, const xmlNodePtr aParent);
340 : }
341 :
342 : #endif
343 :
344 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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