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wine/dlls/msxml3/comment.c

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  1 /*
  2  *    DOM comment node implementation
  3  *
  4  * Copyright 2006 Huw Davies
  5  *
  6  * This library is free software; you can redistribute it and/or
  7  * modify it under the terms of the GNU Lesser General Public
  8  * License as published by the Free Software Foundation; either
  9  * version 2.1 of the License, or (at your option) any later version.
 10  *
 11  * This library is distributed in the hope that it will be useful,
 12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 14  * Lesser General Public License for more details.
 15  *
 16  * You should have received a copy of the GNU Lesser General Public
 17  * License along with this library; if not, write to the Free Software
 18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 19  */
 20 
 21 #define COBJMACROS
 22 
 23 #include "config.h"
 24 
 25 #include <stdarg.h>
 26 #include "windef.h"
 27 #include "winbase.h"
 28 #include "winuser.h"
 29 #include "ole2.h"
 30 #include "msxml2.h"
 31 
 32 #include "msxml_private.h"
 33 
 34 #include "wine/debug.h"
 35 
 36 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
 37 
 38 #ifdef HAVE_LIBXML2
 39 
 40 typedef struct _domcomment
 41 {
 42     xmlnode node;
 43     const struct IXMLDOMCommentVtbl *lpVtbl;
 44     LONG ref;
 45 } domcomment;
 46 
 47 static inline domcomment *impl_from_IXMLDOMComment( IXMLDOMComment *iface )
 48 {
 49     return (domcomment *)((char*)iface - FIELD_OFFSET(domcomment, lpVtbl));
 50 }
 51 
 52 static HRESULT WINAPI domcomment_QueryInterface(
 53     IXMLDOMComment *iface,
 54     REFIID riid,
 55     void** ppvObject )
 56 {
 57     domcomment *This = impl_from_IXMLDOMComment( iface );
 58     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
 59 
 60     if ( IsEqualGUID( riid, &IID_IXMLDOMComment ) ||
 61          IsEqualGUID( riid, &IID_IXMLDOMCharacterData) ||
 62          IsEqualGUID( riid, &IID_IDispatch ) ||
 63          IsEqualGUID( riid, &IID_IUnknown ) )
 64     {
 65         *ppvObject = iface;
 66     }
 67     else if ( IsEqualGUID( riid, &IID_IXMLDOMNode ) )
 68     {
 69         *ppvObject = IXMLDOMNode_from_impl(&This->node);
 70     }
 71     else
 72     {
 73         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
 74         return E_NOINTERFACE;
 75     }
 76 
 77     IXMLDOMText_AddRef((IUnknown*)*ppvObject);
 78     return S_OK;
 79 }
 80 
 81 static ULONG WINAPI domcomment_AddRef(
 82     IXMLDOMComment *iface )
 83 {
 84     domcomment *This = impl_from_IXMLDOMComment( iface );
 85     return InterlockedIncrement( &This->ref );
 86 }
 87 
 88 static ULONG WINAPI domcomment_Release(
 89     IXMLDOMComment *iface )
 90 {
 91     domcomment *This = impl_from_IXMLDOMComment( iface );
 92     ULONG ref;
 93 
 94     ref = InterlockedDecrement( &This->ref );
 95     if ( ref == 0 )
 96     {
 97         destroy_xmlnode(&This->node);
 98         HeapFree( GetProcessHeap(), 0, This );
 99     }
100 
101     return ref;
102 }
103 
104 static HRESULT WINAPI domcomment_GetTypeInfoCount(
105     IXMLDOMComment *iface,
106     UINT* pctinfo )
107 {
108     domcomment *This = impl_from_IXMLDOMComment( iface );
109 
110     TRACE("(%p)->(%p)\n", This, pctinfo);
111 
112     *pctinfo = 1;
113 
114     return S_OK;
115 }
116 
117 static HRESULT WINAPI domcomment_GetTypeInfo(
118     IXMLDOMComment *iface,
119     UINT iTInfo, LCID lcid,
120     ITypeInfo** ppTInfo )
121 {
122     domcomment *This = impl_from_IXMLDOMComment( iface );
123     HRESULT hr;
124 
125     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
126 
127     hr = get_typeinfo(IXMLDOMComment_tid, ppTInfo);
128 
129     return hr;
130 }
131 
132 static HRESULT WINAPI domcomment_GetIDsOfNames(
133     IXMLDOMComment *iface,
134     REFIID riid, LPOLESTR* rgszNames,
135     UINT cNames, LCID lcid, DISPID* rgDispId )
136 {
137     domcomment *This = impl_from_IXMLDOMComment( iface );
138     ITypeInfo *typeinfo;
139     HRESULT hr;
140 
141     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
142           lcid, rgDispId);
143 
144     if(!rgszNames || cNames == 0 || !rgDispId)
145         return E_INVALIDARG;
146 
147     hr = get_typeinfo(IXMLDOMComment_tid, &typeinfo);
148     if(SUCCEEDED(hr))
149     {
150         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
151         ITypeInfo_Release(typeinfo);
152     }
153 
154     return hr;
155 }
156 
157 static HRESULT WINAPI domcomment_Invoke(
158     IXMLDOMComment *iface,
159     DISPID dispIdMember, REFIID riid, LCID lcid,
160     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
161     EXCEPINFO* pExcepInfo, UINT* puArgErr )
162 {
163     domcomment *This = impl_from_IXMLDOMComment( iface );
164     ITypeInfo *typeinfo;
165     HRESULT hr;
166 
167     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
168           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
169 
170     hr = get_typeinfo(IXMLDOMComment_tid, &typeinfo);
171     if(SUCCEEDED(hr))
172     {
173         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
174                 pVarResult, pExcepInfo, puArgErr);
175         ITypeInfo_Release(typeinfo);
176     }
177 
178     return hr;
179 }
180 
181 static HRESULT WINAPI domcomment_get_nodeName(
182     IXMLDOMComment *iface,
183     BSTR* p )
184 {
185     domcomment *This = impl_from_IXMLDOMComment( iface );
186     return IXMLDOMNode_get_nodeName( IXMLDOMNode_from_impl(&This->node), p );
187 }
188 
189 static HRESULT WINAPI domcomment_get_nodeValue(
190     IXMLDOMComment *iface,
191     VARIANT* var1 )
192 {
193     domcomment *This = impl_from_IXMLDOMComment( iface );
194     return IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
195 }
196 
197 static HRESULT WINAPI domcomment_put_nodeValue(
198     IXMLDOMComment *iface,
199     VARIANT var1 )
200 {
201     domcomment *This = impl_from_IXMLDOMComment( iface );
202     return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
203 }
204 
205 static HRESULT WINAPI domcomment_get_nodeType(
206     IXMLDOMComment *iface,
207     DOMNodeType* domNodeType )
208 {
209     domcomment *This = impl_from_IXMLDOMComment( iface );
210     return IXMLDOMNode_get_nodeType( IXMLDOMNode_from_impl(&This->node), domNodeType );
211 }
212 
213 static HRESULT WINAPI domcomment_get_parentNode(
214     IXMLDOMComment *iface,
215     IXMLDOMNode** parent )
216 {
217     domcomment *This = impl_from_IXMLDOMComment( iface );
218     return IXMLDOMNode_get_parentNode( IXMLDOMNode_from_impl(&This->node), parent );
219 }
220 
221 static HRESULT WINAPI domcomment_get_childNodes(
222     IXMLDOMComment *iface,
223     IXMLDOMNodeList** outList)
224 {
225     domcomment *This = impl_from_IXMLDOMComment( iface );
226     return IXMLDOMNode_get_childNodes( IXMLDOMNode_from_impl(&This->node), outList );
227 }
228 
229 static HRESULT WINAPI domcomment_get_firstChild(
230     IXMLDOMComment *iface,
231     IXMLDOMNode** domNode)
232 {
233     domcomment *This = impl_from_IXMLDOMComment( iface );
234     return IXMLDOMNode_get_firstChild( IXMLDOMNode_from_impl(&This->node), domNode );
235 }
236 
237 static HRESULT WINAPI domcomment_get_lastChild(
238     IXMLDOMComment *iface,
239     IXMLDOMNode** domNode)
240 {
241     domcomment *This = impl_from_IXMLDOMComment( iface );
242     return IXMLDOMNode_get_lastChild( IXMLDOMNode_from_impl(&This->node), domNode );
243 }
244 
245 static HRESULT WINAPI domcomment_get_previousSibling(
246     IXMLDOMComment *iface,
247     IXMLDOMNode** domNode)
248 {
249     domcomment *This = impl_from_IXMLDOMComment( iface );
250     return IXMLDOMNode_get_previousSibling( IXMLDOMNode_from_impl(&This->node), domNode );
251 }
252 
253 static HRESULT WINAPI domcomment_get_nextSibling(
254     IXMLDOMComment *iface,
255     IXMLDOMNode** domNode)
256 {
257     domcomment *This = impl_from_IXMLDOMComment( iface );
258     return IXMLDOMNode_get_nextSibling( IXMLDOMNode_from_impl(&This->node), domNode );
259 }
260 
261 static HRESULT WINAPI domcomment_get_attributes(
262     IXMLDOMComment *iface,
263     IXMLDOMNamedNodeMap** attributeMap)
264 {
265     domcomment *This = impl_from_IXMLDOMComment( iface );
266     return IXMLDOMNode_get_attributes( IXMLDOMNode_from_impl(&This->node), attributeMap );
267 }
268 
269 static HRESULT WINAPI domcomment_insertBefore(
270     IXMLDOMComment *iface,
271     IXMLDOMNode* newNode, VARIANT var1,
272     IXMLDOMNode** outOldNode)
273 {
274     domcomment *This = impl_from_IXMLDOMComment( iface );
275     return IXMLDOMNode_insertBefore( IXMLDOMNode_from_impl(&This->node), newNode, var1, outOldNode );
276 }
277 
278 static HRESULT WINAPI domcomment_replaceChild(
279     IXMLDOMComment *iface,
280     IXMLDOMNode* newNode,
281     IXMLDOMNode* oldNode,
282     IXMLDOMNode** outOldNode)
283 {
284     domcomment *This = impl_from_IXMLDOMComment( iface );
285     return IXMLDOMNode_replaceChild( IXMLDOMNode_from_impl(&This->node), newNode, oldNode, outOldNode );
286 }
287 
288 static HRESULT WINAPI domcomment_removeChild(
289     IXMLDOMComment *iface,
290     IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
291 {
292     domcomment *This = impl_from_IXMLDOMComment( iface );
293     return IXMLDOMNode_removeChild( IXMLDOMNode_from_impl(&This->node), domNode, oldNode );
294 }
295 
296 static HRESULT WINAPI domcomment_appendChild(
297     IXMLDOMComment *iface,
298     IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
299 {
300     domcomment *This = impl_from_IXMLDOMComment( iface );
301     return IXMLDOMNode_appendChild( IXMLDOMNode_from_impl(&This->node), newNode, outNewNode );
302 }
303 
304 static HRESULT WINAPI domcomment_hasChildNodes(
305     IXMLDOMComment *iface,
306     VARIANT_BOOL* pbool)
307 {
308     domcomment *This = impl_from_IXMLDOMComment( iface );
309     return IXMLDOMNode_hasChildNodes( IXMLDOMNode_from_impl(&This->node), pbool );
310 }
311 
312 static HRESULT WINAPI domcomment_get_ownerDocument(
313     IXMLDOMComment *iface,
314     IXMLDOMDocument** domDocument)
315 {
316     domcomment *This = impl_from_IXMLDOMComment( iface );
317     return IXMLDOMNode_get_ownerDocument( IXMLDOMNode_from_impl(&This->node), domDocument );
318 }
319 
320 static HRESULT WINAPI domcomment_cloneNode(
321     IXMLDOMComment *iface,
322     VARIANT_BOOL pbool, IXMLDOMNode** outNode)
323 {
324     domcomment *This = impl_from_IXMLDOMComment( iface );
325     return IXMLDOMNode_cloneNode( IXMLDOMNode_from_impl(&This->node), pbool, outNode );
326 }
327 
328 static HRESULT WINAPI domcomment_get_nodeTypeString(
329     IXMLDOMComment *iface,
330     BSTR* p)
331 {
332     domcomment *This = impl_from_IXMLDOMComment( iface );
333     return IXMLDOMNode_get_nodeTypeString( IXMLDOMNode_from_impl(&This->node), p );
334 }
335 
336 static HRESULT WINAPI domcomment_get_text(
337     IXMLDOMComment *iface,
338     BSTR* p)
339 {
340     domcomment *This = impl_from_IXMLDOMComment( iface );
341     return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
342 }
343 
344 static HRESULT WINAPI domcomment_put_text(
345     IXMLDOMComment *iface,
346     BSTR p)
347 {
348     domcomment *This = impl_from_IXMLDOMComment( iface );
349     return IXMLDOMNode_put_text( IXMLDOMNode_from_impl(&This->node), p );
350 }
351 
352 static HRESULT WINAPI domcomment_get_specified(
353     IXMLDOMComment *iface,
354     VARIANT_BOOL* pbool)
355 {
356     domcomment *This = impl_from_IXMLDOMComment( iface );
357     return IXMLDOMNode_get_specified( IXMLDOMNode_from_impl(&This->node), pbool );
358 }
359 
360 static HRESULT WINAPI domcomment_get_definition(
361     IXMLDOMComment *iface,
362     IXMLDOMNode** domNode)
363 {
364     domcomment *This = impl_from_IXMLDOMComment( iface );
365     return IXMLDOMNode_get_definition( IXMLDOMNode_from_impl(&This->node), domNode );
366 }
367 
368 static HRESULT WINAPI domcomment_get_nodeTypedValue(
369     IXMLDOMComment *iface,
370     VARIANT* var1)
371 {
372     domcomment *This = impl_from_IXMLDOMComment( iface );
373     return IXMLDOMNode_get_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
374 }
375 
376 static HRESULT WINAPI domcomment_put_nodeTypedValue(
377     IXMLDOMComment *iface,
378     VARIANT var1)
379 {
380     domcomment *This = impl_from_IXMLDOMComment( iface );
381     return IXMLDOMNode_put_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
382 }
383 
384 static HRESULT WINAPI domcomment_get_dataType(
385     IXMLDOMComment *iface,
386     VARIANT* var1)
387 {
388     domcomment *This = impl_from_IXMLDOMComment( iface );
389     return IXMLDOMNode_get_dataType( IXMLDOMNode_from_impl(&This->node), var1 );
390 }
391 
392 static HRESULT WINAPI domcomment_put_dataType(
393     IXMLDOMComment *iface,
394     BSTR p)
395 {
396     domcomment *This = impl_from_IXMLDOMComment( iface );
397     return IXMLDOMNode_put_dataType( IXMLDOMNode_from_impl(&This->node), p );
398 }
399 
400 static HRESULT WINAPI domcomment_get_xml(
401     IXMLDOMComment *iface,
402     BSTR* p)
403 {
404     domcomment *This = impl_from_IXMLDOMComment( iface );
405     return IXMLDOMNode_get_xml( IXMLDOMNode_from_impl(&This->node), p );
406 }
407 
408 static HRESULT WINAPI domcomment_transformNode(
409     IXMLDOMComment *iface,
410     IXMLDOMNode* domNode, BSTR* p)
411 {
412     domcomment *This = impl_from_IXMLDOMComment( iface );
413     return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
414 }
415 
416 static HRESULT WINAPI domcomment_selectNodes(
417     IXMLDOMComment *iface,
418     BSTR p, IXMLDOMNodeList** outList)
419 {
420     domcomment *This = impl_from_IXMLDOMComment( iface );
421     return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
422 }
423 
424 static HRESULT WINAPI domcomment_selectSingleNode(
425     IXMLDOMComment *iface,
426     BSTR p, IXMLDOMNode** outNode)
427 {
428     domcomment *This = impl_from_IXMLDOMComment( iface );
429     return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
430 }
431 
432 static HRESULT WINAPI domcomment_get_parsed(
433     IXMLDOMComment *iface,
434     VARIANT_BOOL* pbool)
435 {
436     domcomment *This = impl_from_IXMLDOMComment( iface );
437     return IXMLDOMNode_get_parsed( IXMLDOMNode_from_impl(&This->node), pbool );
438 }
439 
440 static HRESULT WINAPI domcomment_get_namespaceURI(
441     IXMLDOMComment *iface,
442     BSTR* p)
443 {
444     domcomment *This = impl_from_IXMLDOMComment( iface );
445     return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
446 }
447 
448 static HRESULT WINAPI domcomment_get_prefix(
449     IXMLDOMComment *iface,
450     BSTR* p)
451 {
452     domcomment *This = impl_from_IXMLDOMComment( iface );
453     return IXMLDOMNode_get_prefix( IXMLDOMNode_from_impl(&This->node), p );
454 }
455 
456 static HRESULT WINAPI domcomment_get_baseName(
457     IXMLDOMComment *iface,
458     BSTR* p)
459 {
460     domcomment *This = impl_from_IXMLDOMComment( iface );
461     return IXMLDOMNode_get_baseName( IXMLDOMNode_from_impl(&This->node), p );
462 }
463 
464 static HRESULT WINAPI domcomment_transformNodeToObject(
465     IXMLDOMComment *iface,
466     IXMLDOMNode* domNode, VARIANT var1)
467 {
468     domcomment *This = impl_from_IXMLDOMComment( iface );
469     return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
470 }
471 
472 static HRESULT WINAPI domcomment_get_data(
473     IXMLDOMComment *iface,
474     BSTR *p)
475 {
476     domcomment *This = impl_from_IXMLDOMComment( iface );
477     HRESULT hr = E_FAIL;
478     VARIANT vRet;
479 
480     if(!p)
481         return E_INVALIDARG;
482 
483     hr = IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), &vRet );
484     if(hr == S_OK)
485     {
486         *p = V_BSTR(&vRet);
487     }
488 
489     return hr;
490 }
491 
492 static HRESULT WINAPI domcomment_put_data(
493     IXMLDOMComment *iface,
494     BSTR data)
495 {
496     domcomment *This = impl_from_IXMLDOMComment( iface );
497     HRESULT hr = E_FAIL;
498     VARIANT val;
499 
500     TRACE("%p %s\n", This, debugstr_w(data) );
501 
502     V_VT(&val) = VT_BSTR;
503     V_BSTR(&val) = data;
504 
505     hr = IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), val );
506 
507     return hr;
508 }
509 
510 static HRESULT WINAPI domcomment_get_length(
511     IXMLDOMComment *iface,
512     LONG *len)
513 {
514     domcomment *This = impl_from_IXMLDOMComment( iface );
515     xmlChar *pContent;
516     LONG nLength = 0;
517 
518     TRACE("%p\n", iface);
519 
520     if(!len)
521         return E_INVALIDARG;
522 
523     pContent = xmlNodeGetContent(This->node.node);
524     if(pContent)
525     {
526         nLength = xmlStrlen(pContent);
527         xmlFree(pContent);
528     }
529 
530     *len = nLength;
531 
532     return S_OK;
533 }
534 
535 static HRESULT WINAPI domcomment_substringData(
536     IXMLDOMComment *iface,
537     LONG offset, LONG count, BSTR *p)
538 {
539     domcomment *This = impl_from_IXMLDOMComment( iface );
540     xmlChar *pContent;
541     LONG nLength = 0;
542     HRESULT hr = S_FALSE;
543 
544     TRACE("%p\n", iface);
545 
546     if(!p)
547         return E_INVALIDARG;
548 
549     *p = NULL;
550     if(offset < 0 || count < 0)
551         return E_INVALIDARG;
552 
553     if(count == 0)
554         return hr;
555 
556     pContent = xmlNodeGetContent(This->node.node);
557     if(pContent)
558     {
559         nLength = xmlStrlen(pContent);
560 
561         if( offset < nLength)
562         {
563             BSTR sContent = bstr_from_xmlChar(pContent);
564             if(offset + count > nLength)
565                 *p = SysAllocString(&sContent[offset]);
566             else
567                 *p = SysAllocStringLen(&sContent[offset], count);
568 
569             SysFreeString(sContent);
570             hr = S_OK;
571         }
572 
573         xmlFree(pContent);
574     }
575 
576     return hr;
577 }
578 
579 static HRESULT WINAPI domcomment_appendData(
580     IXMLDOMComment *iface,
581     BSTR p)
582 {
583     domcomment *This = impl_from_IXMLDOMComment( iface );
584     xmlChar *pContent;
585     HRESULT hr = S_FALSE;
586 
587     TRACE("%p\n", iface);
588 
589     /* Nothing to do if NULL or an Empty string passed in. */
590     if(p == NULL || SysStringLen(p) == 0)
591         return S_OK;
592 
593     pContent = xmlChar_from_wchar( p );
594     if(pContent)
595     {
596         /* Older versions of libxml < 2.6.27 didn't correctly support
597            xmlTextConcat on Comment nodes. Fallback to setting the
598            contents directly if xmlTextConcat fails.
599          */
600         if(xmlTextConcat(This->node.node, pContent, SysStringLen(p) ) == 0)
601             hr = S_OK;
602         else
603         {
604             xmlChar *pNew;
605             pNew = xmlStrcat(xmlNodeGetContent(This->node.node), pContent);
606             if(pNew)
607             {
608                 xmlNodeSetContent(This->node.node, pNew);
609                 hr = S_OK;
610             }
611             else
612                 hr = E_FAIL;
613         }
614         HeapFree( GetProcessHeap(), 0, pContent );
615     }
616     else
617         hr = E_FAIL;
618 
619     return hr;
620 }
621 
622 static HRESULT WINAPI domcomment_insertData(
623     IXMLDOMComment *iface,
624     LONG offset, BSTR p)
625 {
626     domcomment *This = impl_from_IXMLDOMComment( iface );
627     xmlChar *pXmlContent;
628     BSTR sNewString;
629     HRESULT hr = S_FALSE;
630     LONG nLength = 0, nLengthP = 0;
631     xmlChar *str = NULL;
632 
633     TRACE("%p\n", This);
634 
635     /* If have a NULL or empty string, don't do anything. */
636     if(SysStringLen(p) == 0)
637         return S_OK;
638 
639     if(offset < 0)
640     {
641         return E_INVALIDARG;
642     }
643 
644     pXmlContent = xmlNodeGetContent(This->node.node);
645     if(pXmlContent)
646     {
647         BSTR sContent = bstr_from_xmlChar( pXmlContent );
648         nLength = SysStringLen(sContent);
649         nLengthP = SysStringLen(p);
650 
651         if(nLength < offset)
652         {
653             SysFreeString(sContent);
654             xmlFree(pXmlContent);
655 
656             return E_INVALIDARG;
657         }
658 
659         sNewString = SysAllocStringLen(NULL, nLength + nLengthP + 1);
660         if(sNewString)
661         {
662             if(offset > 0)
663                 memcpy(sNewString, sContent, offset * sizeof(WCHAR));
664 
665             memcpy(&sNewString[offset], p, nLengthP * sizeof(WCHAR));
666 
667             if(offset+nLengthP < nLength)
668                 memcpy(&sNewString[offset+nLengthP], &sContent[offset], (nLength-offset) * sizeof(WCHAR));
669 
670             sNewString[nLengthP + nLength] = 0;
671 
672             str = xmlChar_from_wchar(sNewString);
673             if(str)
674             {
675                 xmlNodeSetContent(This->node.node, str);
676                 hr = S_OK;
677             }
678             HeapFree( GetProcessHeap(), 0, str );
679 
680             SysFreeString(sNewString);
681         }
682 
683         SysFreeString(sContent);
684 
685         xmlFree(pXmlContent);
686     }
687 
688     return hr;
689 }
690 
691 static HRESULT WINAPI domcomment_deleteData(
692     IXMLDOMComment *iface,
693     LONG offset, LONG count)
694 {
695     FIXME("\n");
696     return E_NOTIMPL;
697 }
698 
699 static HRESULT WINAPI domcomment_replaceData(
700     IXMLDOMComment *iface,
701     LONG offset, LONG count, BSTR p)
702 {
703     FIXME("\n");
704     return E_NOTIMPL;
705 }
706 
707 static const struct IXMLDOMCommentVtbl domcomment_vtbl =
708 {
709     domcomment_QueryInterface,
710     domcomment_AddRef,
711     domcomment_Release,
712     domcomment_GetTypeInfoCount,
713     domcomment_GetTypeInfo,
714     domcomment_GetIDsOfNames,
715     domcomment_Invoke,
716     domcomment_get_nodeName,
717     domcomment_get_nodeValue,
718     domcomment_put_nodeValue,
719     domcomment_get_nodeType,
720     domcomment_get_parentNode,
721     domcomment_get_childNodes,
722     domcomment_get_firstChild,
723     domcomment_get_lastChild,
724     domcomment_get_previousSibling,
725     domcomment_get_nextSibling,
726     domcomment_get_attributes,
727     domcomment_insertBefore,
728     domcomment_replaceChild,
729     domcomment_removeChild,
730     domcomment_appendChild,
731     domcomment_hasChildNodes,
732     domcomment_get_ownerDocument,
733     domcomment_cloneNode,
734     domcomment_get_nodeTypeString,
735     domcomment_get_text,
736     domcomment_put_text,
737     domcomment_get_specified,
738     domcomment_get_definition,
739     domcomment_get_nodeTypedValue,
740     domcomment_put_nodeTypedValue,
741     domcomment_get_dataType,
742     domcomment_put_dataType,
743     domcomment_get_xml,
744     domcomment_transformNode,
745     domcomment_selectNodes,
746     domcomment_selectSingleNode,
747     domcomment_get_parsed,
748     domcomment_get_namespaceURI,
749     domcomment_get_prefix,
750     domcomment_get_baseName,
751     domcomment_transformNodeToObject,
752     domcomment_get_data,
753     domcomment_put_data,
754     domcomment_get_length,
755     domcomment_substringData,
756     domcomment_appendData,
757     domcomment_insertData,
758     domcomment_deleteData,
759     domcomment_replaceData
760 };
761 
762 IUnknown* create_comment( xmlNodePtr comment )
763 {
764     domcomment *This;
765 
766     This = HeapAlloc( GetProcessHeap(), 0, sizeof *This );
767     if ( !This )
768         return NULL;
769 
770     This->lpVtbl = &domcomment_vtbl;
771     This->ref = 1;
772 
773     init_xmlnode(&This->node, comment, (IUnknown*)&This->lpVtbl, NULL);
774 
775     return (IUnknown*) &This->lpVtbl;
776 }
777 
778 #endif
779 

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