1 | // |
---|
2 | // AbstractContainerNode.cpp |
---|
3 | // |
---|
4 | // $Id: //poco/1.3/XML/src/AbstractContainerNode.cpp#1 $ |
---|
5 | // |
---|
6 | // Library: XML |
---|
7 | // Package: DOM |
---|
8 | // Module: DOM |
---|
9 | // |
---|
10 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
---|
11 | // and Contributors. |
---|
12 | // |
---|
13 | // Permission is hereby granted, free of charge, to any person or organization |
---|
14 | // obtaining a copy of the software and accompanying documentation covered by |
---|
15 | // this license (the "Software") to use, reproduce, display, distribute, |
---|
16 | // execute, and transmit the Software, and to prepare derivative works of the |
---|
17 | // Software, and to permit third-parties to whom the Software is furnished to |
---|
18 | // do so, all subject to the following: |
---|
19 | // |
---|
20 | // The copyright notices in the Software and this entire statement, including |
---|
21 | // the above license grant, this restriction and the following disclaimer, |
---|
22 | // must be included in all copies of the Software, in whole or in part, and |
---|
23 | // all derivative works of the Software, unless such copies or derivative |
---|
24 | // works are solely in the form of machine-executable object code generated by |
---|
25 | // a source language processor. |
---|
26 | // |
---|
27 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
---|
28 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
---|
29 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
---|
30 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
---|
31 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
---|
32 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
---|
33 | // DEALINGS IN THE SOFTWARE. |
---|
34 | // |
---|
35 | |
---|
36 | |
---|
37 | #include <Poco/DOM/AbstractContainerNode.h> |
---|
38 | #include <Poco/DOM/Document.h> |
---|
39 | #include <Poco/DOM/DOMException.h> |
---|
40 | |
---|
41 | |
---|
42 | namespace Poco { |
---|
43 | namespace XML { |
---|
44 | |
---|
45 | |
---|
46 | AbstractContainerNode::AbstractContainerNode(Document* pOwnerDocument): |
---|
47 | AbstractNode(pOwnerDocument), |
---|
48 | _pFirstChild(0) |
---|
49 | { |
---|
50 | } |
---|
51 | |
---|
52 | |
---|
53 | AbstractContainerNode::AbstractContainerNode(Document* pOwnerDocument, const AbstractContainerNode& node): |
---|
54 | AbstractNode(pOwnerDocument, node), |
---|
55 | _pFirstChild(0) |
---|
56 | { |
---|
57 | } |
---|
58 | |
---|
59 | |
---|
60 | AbstractContainerNode::~AbstractContainerNode() |
---|
61 | { |
---|
62 | AbstractNode* pChild = static_cast<AbstractNode*>(_pFirstChild); |
---|
63 | while (pChild) |
---|
64 | { |
---|
65 | AbstractNode* pDelNode = pChild; |
---|
66 | pChild = pChild->_pNext; |
---|
67 | pDelNode->_pNext = 0; |
---|
68 | pDelNode->_pParent = 0; |
---|
69 | pDelNode->release(); |
---|
70 | } |
---|
71 | } |
---|
72 | |
---|
73 | |
---|
74 | Node* AbstractContainerNode::firstChild() const |
---|
75 | { |
---|
76 | return _pFirstChild; |
---|
77 | } |
---|
78 | |
---|
79 | |
---|
80 | Node* AbstractContainerNode::lastChild() const |
---|
81 | { |
---|
82 | AbstractNode* pChild = _pFirstChild; |
---|
83 | if (pChild) |
---|
84 | { |
---|
85 | while (pChild->_pNext) pChild = pChild->_pNext; |
---|
86 | return pChild; |
---|
87 | } |
---|
88 | return 0; |
---|
89 | } |
---|
90 | |
---|
91 | |
---|
92 | Node* AbstractContainerNode::insertBefore(Node* newChild, Node* refChild) |
---|
93 | { |
---|
94 | poco_check_ptr (newChild); |
---|
95 | |
---|
96 | if (static_cast<AbstractNode*>(newChild)->_pOwner != _pOwner && static_cast<AbstractNode*>(newChild)->_pOwner != this) |
---|
97 | throw DOMException(DOMException::WRONG_DOCUMENT_ERR); |
---|
98 | if (refChild && static_cast<AbstractNode*>(refChild)->_pParent != this) |
---|
99 | throw DOMException(DOMException::NOT_FOUND_ERR); |
---|
100 | if (newChild == refChild) |
---|
101 | return newChild; |
---|
102 | if (this == newChild) |
---|
103 | throw DOMException(DOMException::HIERARCHY_REQUEST_ERR); |
---|
104 | |
---|
105 | AbstractNode* pFirst = 0; |
---|
106 | AbstractNode* pLast = 0; |
---|
107 | if (newChild->nodeType() == Node::DOCUMENT_FRAGMENT_NODE) |
---|
108 | { |
---|
109 | AbstractContainerNode* pFrag = static_cast<AbstractContainerNode*>(newChild); |
---|
110 | pFirst = pFrag->_pFirstChild; |
---|
111 | pLast = pFirst; |
---|
112 | if (pFirst) |
---|
113 | { |
---|
114 | while (pLast->_pNext) |
---|
115 | { |
---|
116 | pLast->_pParent = this; |
---|
117 | pLast = pLast->_pNext; |
---|
118 | } |
---|
119 | pLast->_pParent = this; |
---|
120 | } |
---|
121 | pFrag->_pFirstChild = 0; |
---|
122 | } |
---|
123 | else |
---|
124 | { |
---|
125 | newChild->duplicate(); |
---|
126 | AbstractContainerNode* pParent = static_cast<AbstractNode*>(newChild)->_pParent; |
---|
127 | if (pParent) pParent->removeChild(newChild); |
---|
128 | pFirst = static_cast<AbstractNode*>(newChild); |
---|
129 | pLast = pFirst; |
---|
130 | pFirst->_pParent = this; |
---|
131 | } |
---|
132 | if (_pFirstChild && pFirst) |
---|
133 | { |
---|
134 | AbstractNode* pCur = _pFirstChild; |
---|
135 | if (pCur == refChild) |
---|
136 | { |
---|
137 | pLast->_pNext = _pFirstChild; |
---|
138 | _pFirstChild = pFirst; |
---|
139 | } |
---|
140 | else |
---|
141 | { |
---|
142 | while (pCur && pCur->_pNext != refChild) pCur = pCur->_pNext; |
---|
143 | if (pCur) |
---|
144 | { |
---|
145 | pLast->_pNext = pCur->_pNext; |
---|
146 | pCur->_pNext = pFirst; |
---|
147 | } |
---|
148 | else throw DOMException(DOMException::NOT_FOUND_ERR); |
---|
149 | } |
---|
150 | } |
---|
151 | else _pFirstChild = pFirst; |
---|
152 | |
---|
153 | if (events()) |
---|
154 | { |
---|
155 | while (pFirst && pFirst != pLast->_pNext) |
---|
156 | { |
---|
157 | pFirst->dispatchNodeInserted(); |
---|
158 | pFirst->dispatchNodeInsertedIntoDocument(); |
---|
159 | pFirst = pFirst->_pNext; |
---|
160 | } |
---|
161 | dispatchSubtreeModified(); |
---|
162 | } |
---|
163 | return newChild; |
---|
164 | } |
---|
165 | |
---|
166 | |
---|
167 | Node* AbstractContainerNode::replaceChild(Node* newChild, Node* oldChild) |
---|
168 | { |
---|
169 | poco_check_ptr (newChild); |
---|
170 | poco_check_ptr (oldChild); |
---|
171 | |
---|
172 | if (static_cast<AbstractNode*>(newChild)->_pOwner != _pOwner && static_cast<AbstractNode*>(newChild)->_pOwner != this) |
---|
173 | throw DOMException(DOMException::WRONG_DOCUMENT_ERR); |
---|
174 | if (static_cast<AbstractNode*>(oldChild)->_pParent != this) |
---|
175 | throw DOMException(DOMException::NOT_FOUND_ERR); |
---|
176 | if (newChild == oldChild) |
---|
177 | return newChild; |
---|
178 | if (this == newChild) |
---|
179 | throw DOMException(DOMException::HIERARCHY_REQUEST_ERR); |
---|
180 | |
---|
181 | bool doEvents = events(); |
---|
182 | if (newChild->nodeType() == Node::DOCUMENT_FRAGMENT_NODE) |
---|
183 | { |
---|
184 | insertBefore(newChild, oldChild); |
---|
185 | removeChild(oldChild); |
---|
186 | } |
---|
187 | else |
---|
188 | { |
---|
189 | AbstractContainerNode* pParent = static_cast<AbstractNode*>(newChild)->_pParent; |
---|
190 | if (pParent) pParent->removeChild(newChild); |
---|
191 | |
---|
192 | if (oldChild == _pFirstChild) |
---|
193 | { |
---|
194 | if (doEvents) |
---|
195 | { |
---|
196 | _pFirstChild->dispatchNodeRemoved(); |
---|
197 | _pFirstChild->dispatchNodeRemovedFromDocument(); |
---|
198 | } |
---|
199 | static_cast<AbstractNode*>(newChild)->_pNext = static_cast<AbstractNode*>(oldChild)->_pNext; |
---|
200 | static_cast<AbstractNode*>(newChild)->_pParent = this; |
---|
201 | _pFirstChild->_pNext = 0; |
---|
202 | _pFirstChild->_pParent = 0; |
---|
203 | _pFirstChild = static_cast<AbstractNode*>(newChild); |
---|
204 | if (doEvents) |
---|
205 | { |
---|
206 | static_cast<AbstractNode*>(newChild)->dispatchNodeInserted(); |
---|
207 | static_cast<AbstractNode*>(newChild)->dispatchNodeInsertedIntoDocument(); |
---|
208 | } |
---|
209 | } |
---|
210 | else |
---|
211 | { |
---|
212 | AbstractNode* pCur = _pFirstChild; |
---|
213 | while (pCur && pCur->_pNext != oldChild) pCur = pCur->_pNext; |
---|
214 | if (pCur) |
---|
215 | { |
---|
216 | poco_assert_dbg (pCur->_pNext == oldChild); |
---|
217 | |
---|
218 | if (doEvents) |
---|
219 | { |
---|
220 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemoved(); |
---|
221 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemovedFromDocument(); |
---|
222 | } |
---|
223 | static_cast<AbstractNode*>(newChild)->_pNext = static_cast<AbstractNode*>(oldChild)->_pNext; |
---|
224 | static_cast<AbstractNode*>(newChild)->_pParent = this; |
---|
225 | static_cast<AbstractNode*>(oldChild)->_pNext = 0; |
---|
226 | static_cast<AbstractNode*>(oldChild)->_pParent = 0; |
---|
227 | pCur->_pNext = static_cast<AbstractNode*>(newChild); |
---|
228 | if (doEvents) |
---|
229 | { |
---|
230 | static_cast<AbstractNode*>(newChild)->dispatchNodeInserted(); |
---|
231 | static_cast<AbstractNode*>(newChild)->dispatchNodeInsertedIntoDocument(); |
---|
232 | } |
---|
233 | } |
---|
234 | else throw DOMException(DOMException::NOT_FOUND_ERR); |
---|
235 | } |
---|
236 | newChild->duplicate(); |
---|
237 | oldChild->autoRelease(); |
---|
238 | } |
---|
239 | if (doEvents) dispatchSubtreeModified(); |
---|
240 | return oldChild; |
---|
241 | } |
---|
242 | |
---|
243 | |
---|
244 | Node* AbstractContainerNode::removeChild(Node* oldChild) |
---|
245 | { |
---|
246 | poco_check_ptr (oldChild); |
---|
247 | |
---|
248 | bool doEvents = events(); |
---|
249 | if (oldChild == _pFirstChild) |
---|
250 | { |
---|
251 | if (doEvents) |
---|
252 | { |
---|
253 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemoved(); |
---|
254 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemovedFromDocument(); |
---|
255 | } |
---|
256 | _pFirstChild = _pFirstChild->_pNext; |
---|
257 | static_cast<AbstractNode*>(oldChild)->_pNext = 0; |
---|
258 | static_cast<AbstractNode*>(oldChild)->_pParent = 0; |
---|
259 | } |
---|
260 | else |
---|
261 | { |
---|
262 | AbstractNode* pCur = _pFirstChild; |
---|
263 | while (pCur && pCur->_pNext != oldChild) pCur = pCur->_pNext; |
---|
264 | if (pCur) |
---|
265 | { |
---|
266 | if (doEvents) |
---|
267 | { |
---|
268 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemoved(); |
---|
269 | static_cast<AbstractNode*>(oldChild)->dispatchNodeRemovedFromDocument(); |
---|
270 | } |
---|
271 | pCur->_pNext = pCur->_pNext->_pNext; |
---|
272 | static_cast<AbstractNode*>(oldChild)->_pNext = 0; |
---|
273 | static_cast<AbstractNode*>(oldChild)->_pParent = 0; |
---|
274 | } |
---|
275 | else throw DOMException(DOMException::NOT_FOUND_ERR); |
---|
276 | } |
---|
277 | oldChild->autoRelease(); |
---|
278 | if (doEvents) dispatchSubtreeModified(); |
---|
279 | return oldChild; |
---|
280 | } |
---|
281 | |
---|
282 | |
---|
283 | Node* AbstractContainerNode::appendChild(Node* newChild) |
---|
284 | { |
---|
285 | return insertBefore(newChild, 0); |
---|
286 | } |
---|
287 | |
---|
288 | |
---|
289 | void AbstractContainerNode::dispatchNodeRemovedFromDocument() |
---|
290 | { |
---|
291 | AbstractNode::dispatchNodeRemovedFromDocument(); |
---|
292 | Node* pChild = firstChild(); |
---|
293 | while (pChild) |
---|
294 | { |
---|
295 | static_cast<AbstractNode*>(pChild)->dispatchNodeRemovedFromDocument(); |
---|
296 | pChild = pChild->nextSibling(); |
---|
297 | } |
---|
298 | } |
---|
299 | |
---|
300 | |
---|
301 | void AbstractContainerNode::dispatchNodeInsertedIntoDocument() |
---|
302 | { |
---|
303 | AbstractNode::dispatchNodeInsertedIntoDocument(); |
---|
304 | Node* pChild = firstChild(); |
---|
305 | while (pChild) |
---|
306 | { |
---|
307 | static_cast<AbstractNode*>(pChild)->dispatchNodeInsertedIntoDocument(); |
---|
308 | pChild = pChild->nextSibling(); |
---|
309 | } |
---|
310 | } |
---|
311 | |
---|
312 | |
---|
313 | bool AbstractContainerNode::hasChildNodes() const |
---|
314 | { |
---|
315 | return _pFirstChild != 0; |
---|
316 | } |
---|
317 | |
---|
318 | |
---|
319 | bool AbstractContainerNode::hasAttributes() const |
---|
320 | { |
---|
321 | return false; |
---|
322 | } |
---|
323 | |
---|
324 | |
---|
325 | } } // namespace Poco::XML |
---|