Line data Source code
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 : #ifdef _MSC_VER
20 : #pragma warning(disable : 4701)
21 : #endif
22 :
23 : #include "saxbuilder.hxx"
24 :
25 : #include <com/sun/star/xml/dom/DocumentBuilder.hpp>
26 : #include <comphelper/processfactory.hxx>
27 : #include <cppuhelper/supportsservice.hxx>
28 :
29 : namespace DOM
30 : {
31 0 : Reference< XInterface > CSAXDocumentBuilder::_getInstance(const Reference< XMultiServiceFactory >& rSMgr)
32 : {
33 0 : return static_cast< XSAXDocumentBuilder* >(new CSAXDocumentBuilder(rSMgr));
34 : }
35 :
36 : const char* CSAXDocumentBuilder::aImplementationName = "com.sun.star.comp.xml.dom.SAXDocumentBuilder";
37 : const char* CSAXDocumentBuilder::aSupportedServiceNames[] = {
38 : "com.sun.star.xml.dom.SAXDocumentBuilder",
39 : NULL
40 : };
41 :
42 0 : CSAXDocumentBuilder::CSAXDocumentBuilder(const Reference< XMultiServiceFactory >& mgr)
43 : : m_aServiceManager(mgr)
44 0 : , m_aState( SAXDocumentBuilderState_READY)
45 0 : {}
46 :
47 0 : OUString CSAXDocumentBuilder::_getImplementationName()
48 : {
49 0 : return OUString::createFromAscii(aImplementationName);
50 : }
51 0 : Sequence<OUString> CSAXDocumentBuilder::_getSupportedServiceNames()
52 : {
53 0 : Sequence<OUString> aSequence;
54 0 : for (int i=0; aSupportedServiceNames[i]!=NULL; i++) {
55 0 : aSequence.realloc(i+1);
56 0 : aSequence[i]=(OUString::createFromAscii(aSupportedServiceNames[i]));
57 : }
58 0 : return aSequence;
59 : }
60 :
61 0 : Sequence< OUString > SAL_CALL CSAXDocumentBuilder::getSupportedServiceNames()
62 : throw (RuntimeException, std::exception)
63 : {
64 0 : return CSAXDocumentBuilder::_getSupportedServiceNames();
65 : }
66 :
67 0 : OUString SAL_CALL CSAXDocumentBuilder::getImplementationName()
68 : throw (RuntimeException, std::exception)
69 : {
70 0 : return CSAXDocumentBuilder::_getImplementationName();
71 : }
72 :
73 0 : sal_Bool SAL_CALL CSAXDocumentBuilder::supportsService(const OUString& aServiceName)
74 : throw (RuntimeException, std::exception)
75 : {
76 0 : return cppu::supportsService(this, aServiceName);
77 : }
78 :
79 0 : SAXDocumentBuilderState SAL_CALL CSAXDocumentBuilder::getState()
80 : throw (RuntimeException, std::exception)
81 : {
82 0 : ::osl::MutexGuard g(m_Mutex);
83 :
84 0 : return m_aState;
85 : }
86 :
87 0 : void SAL_CALL CSAXDocumentBuilder::reset()
88 : throw (RuntimeException, std::exception)
89 : {
90 0 : ::osl::MutexGuard g(m_Mutex);
91 :
92 0 : m_aDocument.clear();
93 0 : m_aFragment.clear();
94 0 : while (!m_aNodeStack.empty()) m_aNodeStack.pop();
95 0 : while (!m_aNSStack.empty()) m_aNSStack.pop();
96 0 : m_aState = SAXDocumentBuilderState_READY;
97 0 : }
98 :
99 0 : Reference< XDocument > SAL_CALL CSAXDocumentBuilder::getDocument()
100 : throw (RuntimeException, std::exception)
101 : {
102 0 : ::osl::MutexGuard g(m_Mutex);
103 :
104 0 : if (m_aState != SAXDocumentBuilderState_DOCUMENT_FINISHED)
105 0 : throw RuntimeException();
106 :
107 0 : return m_aDocument;
108 : }
109 :
110 0 : Reference< XDocumentFragment > SAL_CALL CSAXDocumentBuilder::getDocumentFragment()
111 : throw (RuntimeException, std::exception)
112 : {
113 0 : ::osl::MutexGuard g(m_Mutex);
114 :
115 0 : if (m_aState != SAXDocumentBuilderState_FRAGMENT_FINISHED)
116 0 : throw RuntimeException();
117 0 : return m_aFragment;
118 : }
119 :
120 0 : void SAL_CALL CSAXDocumentBuilder::startDocumentFragment(const Reference< XDocument >& ownerDoc)
121 : throw (RuntimeException, std::exception)
122 : {
123 0 : ::osl::MutexGuard g(m_Mutex);
124 :
125 : // start a new document fragment and push it onto the stack
126 : // we have to be in a clean state to do this
127 0 : if (m_aState != SAXDocumentBuilderState_READY)
128 0 : throw RuntimeException();
129 :
130 0 : m_aDocument = ownerDoc;
131 0 : Reference< XDocumentFragment > aFragment = m_aDocument->createDocumentFragment();
132 0 : m_aNodeStack.push(aFragment);
133 0 : m_aFragment = aFragment;
134 0 : m_aState = SAXDocumentBuilderState_BUILDING_FRAGMENT;
135 0 : }
136 :
137 0 : void SAL_CALL CSAXDocumentBuilder::endDocumentFragment()
138 : throw (RuntimeException, std::exception)
139 : {
140 0 : ::osl::MutexGuard g(m_Mutex);
141 :
142 : // there should only be the document left on the node stack
143 0 : if (m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
144 0 : throw RuntimeException();
145 :
146 0 : Reference< XNode > aNode = m_aNodeStack.top();
147 0 : if ( aNode->getNodeType() != NodeType_DOCUMENT_FRAGMENT_NODE)
148 0 : throw RuntimeException();
149 0 : m_aNodeStack.pop();
150 0 : m_aState = SAXDocumentBuilderState_FRAGMENT_FINISHED;
151 0 : }
152 :
153 : // document handler
154 :
155 0 : void SAL_CALL CSAXDocumentBuilder::startDocument() throw (RuntimeException, SAXException, std::exception)
156 : {
157 0 : ::osl::MutexGuard g(m_Mutex);
158 :
159 : // start a new document and push it onto the stack
160 : // we have to be in a clean state to do this
161 0 : if (m_aState != SAXDocumentBuilderState_READY)
162 0 : throw SAXException();
163 :
164 0 : Reference< XDocumentBuilder > aBuilder(DocumentBuilder::create(comphelper::getComponentContext(m_aServiceManager)));
165 0 : Reference< XDocument > aDocument = aBuilder->newDocument();
166 0 : m_aNodeStack.push(aDocument);
167 0 : m_aDocument = aDocument;
168 0 : m_aState = SAXDocumentBuilderState_BUILDING_DOCUMENT;
169 0 : }
170 :
171 0 : void SAL_CALL CSAXDocumentBuilder::endDocument() throw (RuntimeException, SAXException, std::exception)
172 : {
173 0 : ::osl::MutexGuard g(m_Mutex);
174 :
175 : // there should only be the document left on the node stack
176 0 : if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT)
177 0 : throw SAXException();
178 :
179 0 : Reference< XNode > aNode = m_aNodeStack.top();
180 0 : if ( aNode->getNodeType() != NodeType_DOCUMENT_NODE)
181 0 : throw SAXException();
182 0 : m_aNodeStack.pop();
183 0 : m_aState = SAXDocumentBuilderState_DOCUMENT_FINISHED;
184 0 : }
185 :
186 0 : void SAL_CALL CSAXDocumentBuilder::startElement(const OUString& aName, const Reference< XAttributeList>& attribs)
187 : throw (RuntimeException, SAXException, std::exception)
188 : {
189 0 : ::osl::MutexGuard g(m_Mutex);
190 :
191 0 : if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
192 0 : m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
193 : {
194 0 : throw SAXException();
195 : }
196 :
197 : // start with mappings in effect for last level
198 0 : NSMap aNSMap;
199 0 : if (!m_aNSStack.empty())
200 0 : aNSMap = NSMap(m_aNSStack.top());
201 :
202 : // handle xmlns: attributes and add to mappings
203 0 : OUString attr_qname;
204 0 : OUString attr_value;
205 0 : OUString newprefix;
206 0 : AttrMap aAttrMap;
207 0 : sal_Int32 idx=-1;
208 0 : sal_Int16 nAttributes = attribs->getLength();
209 0 : for (sal_Int16 i=0; i<nAttributes; i++)
210 : {
211 0 : attr_qname = attribs->getNameByIndex(i);
212 0 : attr_value = attribs->getValueByIndex(i);
213 : // new prefix mapping
214 0 : if (attr_qname.startsWith("xmlns:"))
215 : {
216 0 : newprefix = attr_qname.copy(attr_qname.indexOf(':')+1);
217 0 : aNSMap.insert(NSMap::value_type(newprefix, attr_value));
218 : }
219 0 : else if ( attr_qname == "xmlns" )
220 : {
221 : // new default prefix
222 0 : aNSMap.insert(NSMap::value_type(OUString(), attr_value));
223 : }
224 : else
225 : {
226 0 : aAttrMap.insert(AttrMap::value_type(attr_qname, attr_value));
227 : }
228 : }
229 :
230 : // does the element have a prefix?
231 0 : OUString aPrefix;
232 0 : OUString aURI;
233 0 : Reference< XElement > aElement;
234 0 : idx = aName.indexOf(':');
235 0 : if (idx != -1)
236 : {
237 0 : aPrefix = aName.copy(0, idx);
238 : }
239 : else
240 0 : aPrefix = OUString();
241 :
242 0 : NSMap::const_iterator result = aNSMap.find(aPrefix);
243 0 : if ( result != aNSMap.end())
244 : {
245 : // found a URI for prefix
246 : // qualified name
247 0 : aElement = m_aDocument->createElementNS( result->second, aName);
248 : }
249 : else
250 : {
251 : // no URI for prefix
252 0 : aElement = m_aDocument->createElement(aName);
253 : }
254 0 : aElement = Reference< XElement > (
255 0 : m_aNodeStack.top()->appendChild(aElement),
256 0 : UNO_QUERY);
257 0 : m_aNodeStack.push(aElement);
258 :
259 : // set non xmlns attributes
260 0 : aPrefix = OUString();
261 0 : aURI = OUString();
262 0 : AttrMap::const_iterator a = aAttrMap.begin();
263 0 : while (a != aAttrMap.end())
264 : {
265 0 : attr_qname = a->first;
266 0 : attr_value = a->second;
267 0 : idx = attr_qname.indexOf(':');
268 0 : if (idx != -1)
269 0 : aPrefix = attr_qname.copy(0, idx);
270 : else
271 0 : aPrefix = OUString();
272 :
273 0 : result = aNSMap.find(aPrefix);
274 0 : if (result != aNSMap.end())
275 : {
276 : // set attribute with namespace
277 0 : aElement->setAttributeNS(result->second, attr_qname, attr_value);
278 : }
279 : else
280 : {
281 : // set attribute without namespace
282 0 : aElement->setAttribute(attr_qname, attr_value);
283 : }
284 0 : ++a;
285 : }
286 0 : m_aNSStack.push(aNSMap);
287 0 : }
288 :
289 0 : void SAL_CALL CSAXDocumentBuilder::endElement(const OUString& aName)
290 : throw (RuntimeException, SAXException, std::exception)
291 : {
292 0 : ::osl::MutexGuard g(m_Mutex);
293 :
294 : // pop the current element from the stack
295 0 : if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
296 0 : m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
297 0 : throw SAXException();
298 :
299 0 : Reference< XNode > aNode(m_aNodeStack.top());
300 0 : if (aNode->getNodeType() != NodeType_ELEMENT_NODE)
301 0 : throw SAXException();
302 :
303 0 : Reference< XElement > aElement(aNode, UNO_QUERY);
304 0 : OUString aRefName;
305 0 : OUString aPrefix = aElement->getPrefix();
306 0 : if (!aPrefix.isEmpty())
307 0 : aRefName = aPrefix + ":" + aElement->getTagName();
308 : else
309 0 : aRefName = aElement->getTagName();
310 0 : if (aRefName != aName) // consistency check
311 0 : throw SAXException();
312 :
313 : // pop it
314 0 : m_aNodeStack.pop();
315 0 : m_aNSStack.pop();
316 0 : }
317 :
318 0 : void SAL_CALL CSAXDocumentBuilder::characters(const OUString& aChars)
319 : throw (RuntimeException, SAXException, std::exception)
320 : {
321 0 : ::osl::MutexGuard g(m_Mutex);
322 :
323 : // append text node to the current top element
324 0 : if (m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
325 0 : m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
326 0 : throw SAXException();
327 :
328 0 : Reference< XText > aText = m_aDocument->createTextNode(aChars);
329 0 : m_aNodeStack.top()->appendChild(aText);
330 0 : }
331 :
332 0 : void SAL_CALL CSAXDocumentBuilder::ignorableWhitespace(const OUString& )
333 : throw (RuntimeException, SAXException, std::exception)
334 : {
335 0 : ::osl::MutexGuard g(m_Mutex);
336 :
337 : // ignore ignorable whitespace
338 0 : if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
339 0 : m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
340 0 : throw SAXException();
341 0 : }
342 :
343 0 : void SAL_CALL CSAXDocumentBuilder::processingInstruction(const OUString& aTarget, const OUString& aData)
344 : throw (RuntimeException, SAXException, std::exception)
345 : {
346 0 : ::osl::MutexGuard g(m_Mutex);
347 :
348 : // append PI node to the current top
349 0 : if ( m_aState != SAXDocumentBuilderState_BUILDING_DOCUMENT &&
350 0 : m_aState != SAXDocumentBuilderState_BUILDING_FRAGMENT)
351 0 : throw SAXException();
352 :
353 0 : Reference< XProcessingInstruction > aInstruction = m_aDocument->createProcessingInstruction(
354 0 : aTarget, aData);
355 0 : m_aNodeStack.top()->appendChild(aInstruction);
356 0 : }
357 :
358 0 : void SAL_CALL CSAXDocumentBuilder::setDocumentLocator(const Reference< XLocator >& aLocator)
359 : throw (RuntimeException, SAXException, std::exception)
360 : {
361 0 : ::osl::MutexGuard g(m_Mutex);
362 :
363 : // set the document locator...
364 0 : m_aLocator = aLocator;
365 0 : }
366 : }
367 :
368 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
