dlls/msxml3/text.c

   1 /*
   2  *    DOM text node implementation
   3  *
   4  * Copyright 2006 Huw Davies
   5  * Copyright 2007-2008 Alistair Leslie-Hughes
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define COBJMACROS
  23
  24 #include "config.h"
  25
  26 #include <stdarg.h>
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "ole2.h"
  31 #include "msxml2.h"
  32
  33 #include "msxml_private.h"
  34
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  38
  39 #ifdef HAVE_LIBXML2
  40
  41 typedef struct _domtext
  42 {
  43     xmlnode node;
  44     const struct IXMLDOMTextVtbl *lpVtbl;
  45     LONG ref;
  46 } domtext;
  47
  48 static inline domtext *impl_from_IXMLDOMText( IXMLDOMText *iface )
  49 {
  50     return (domtext *)((char*)iface - FIELD_OFFSET(domtext, lpVtbl));
  51 }
  52
  53 static HRESULT WINAPI domtext_QueryInterface(
  54     IXMLDOMText *iface,
  55     REFIID riid,
  56     void** ppvObject )
  57 {
  58     domtext *This = impl_from_IXMLDOMText( iface );
  59     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  60
  61     if ( IsEqualGUID( riid, &IID_IXMLDOMText ) ||
  62          IsEqualGUID( riid, &IID_IXMLDOMCharacterData) ||
  63          IsEqualGUID( riid, &IID_IDispatch ) ||
  64          IsEqualGUID( riid, &IID_IUnknown ) )
  65     {
  66         *ppvObject = iface;
  67     }
  68     else if ( IsEqualGUID( riid, &IID_IXMLDOMNode ) )
  69     {
  70         *ppvObject = IXMLDOMNode_from_impl(&This->node);
  71     }
  72     else if ( IsEqualGUID( riid, &IID_IXMLDOMElement ) ||
  73               IsEqualGUID( riid, &IID_IXMLDOMCDATASection ) )
  74     {
  75         /* IXMLDOMText is known to be correct in not implementing these */
  76         TRACE("Unsupported interface\n");
  77         return E_NOINTERFACE;
  78     }
  79     else
  80     {
  81         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
  82         return E_NOINTERFACE;
  83     }
  84
  85     IXMLDOMText_AddRef((IUnknown*)*ppvObject);
  86     return S_OK;
  87 }
  88
  89 static ULONG WINAPI domtext_AddRef(
  90     IXMLDOMText *iface )
  91 {
  92     domtext *This = impl_from_IXMLDOMText( iface );
  93     return InterlockedIncrement( &This->ref );
  94 }
  95
  96 static ULONG WINAPI domtext_Release(
  97     IXMLDOMText *iface )
  98 {
  99     domtext *This = impl_from_IXMLDOMText( iface );
 100     ULONG ref;
 101
 102     ref = InterlockedDecrement( &This->ref );
 103     if ( ref == 0 )
 104     {
 105         destroy_xmlnode(&This->node);
 106         HeapFree( GetProcessHeap(), 0, This );
 107     }
 108
 109     return ref;
 110 }
 111
 112 static HRESULT WINAPI domtext_GetTypeInfoCount(
 113     IXMLDOMText *iface,
 114     UINT* pctinfo )
 115 {
 116     domtext *This = impl_from_IXMLDOMText( iface );
 117
 118     TRACE("(%p)->(%p)\n", This, pctinfo);
 119
 120     *pctinfo = 1;
 121
 122     return S_OK;
 123 }
 124
 125 static HRESULT WINAPI domtext_GetTypeInfo(
 126     IXMLDOMText *iface,
 127     UINT iTInfo, LCID lcid,
 128     ITypeInfo** ppTInfo )
 129 {
 130     domtext *This = impl_from_IXMLDOMText( iface );
 131     HRESULT hr;
 132
 133     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 134
 135     hr = get_typeinfo(IXMLDOMText_tid, ppTInfo);
 136
 137     return hr;
 138 }
 139
 140 static HRESULT WINAPI domtext_GetIDsOfNames(
 141     IXMLDOMText *iface,
 142     REFIID riid, LPOLESTR* rgszNames,
 143     UINT cNames, LCID lcid, DISPID* rgDispId )
 144 {
 145     domtext *This = impl_from_IXMLDOMText( iface );
 146     ITypeInfo *typeinfo;
 147     HRESULT hr;
 148
 149     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 150           lcid, rgDispId);
 151
 152     if(!rgszNames || cNames == 0 || !rgDispId)
 153         return E_INVALIDARG;
 154
 155     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 156     if(SUCCEEDED(hr))
 157     {
 158         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 159         ITypeInfo_Release(typeinfo);
 160     }
 161
 162     return hr;
 163 }
 164
 165 static HRESULT WINAPI domtext_Invoke(
 166     IXMLDOMText *iface,
 167     DISPID dispIdMember, REFIID riid, LCID lcid,
 168     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 169     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 170 {
 171     domtext *This = impl_from_IXMLDOMText( iface );
 172     ITypeInfo *typeinfo;
 173     HRESULT hr;
 174
 175     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 176           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 177
 178     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 179     if(SUCCEEDED(hr))
 180     {
 181         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 182                 pVarResult, pExcepInfo, puArgErr);
 183         ITypeInfo_Release(typeinfo);
 184     }
 185
 186     return hr;
 187 }
 188
 189 static HRESULT WINAPI domtext_get_nodeName(
 190     IXMLDOMText *iface,
 191     BSTR* p )
 192 {
 193     domtext *This = impl_from_IXMLDOMText( iface );
 194     return IXMLDOMNode_get_nodeName( IXMLDOMNode_from_impl(&This->node), p );
 195 }
 196
 197 static HRESULT WINAPI domtext_get_nodeValue(
 198     IXMLDOMText *iface,
 199     VARIANT* var1 )
 200 {
 201     domtext *This = impl_from_IXMLDOMText( iface );
 202     return IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
 203 }
 204
 205 static HRESULT WINAPI domtext_put_nodeValue(
 206     IXMLDOMText *iface,
 207     VARIANT var1 )
 208 {
 209     domtext *This = impl_from_IXMLDOMText( iface );
 210     return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
 211 }
 212
 213 static HRESULT WINAPI domtext_get_nodeType(
 214     IXMLDOMText *iface,
 215     DOMNodeType* domNodeType )
 216 {
 217     domtext *This = impl_from_IXMLDOMText( iface );
 218     return IXMLDOMNode_get_nodeType( IXMLDOMNode_from_impl(&This->node), domNodeType );
 219 }
 220
 221 static HRESULT WINAPI domtext_get_parentNode(
 222     IXMLDOMText *iface,
 223     IXMLDOMNode** parent )
 224 {
 225     domtext *This = impl_from_IXMLDOMText( iface );
 226     return IXMLDOMNode_get_parentNode( IXMLDOMNode_from_impl(&This->node), parent );
 227 }
 228
 229 static HRESULT WINAPI domtext_get_childNodes(
 230     IXMLDOMText *iface,
 231     IXMLDOMNodeList** outList)
 232 {
 233     domtext *This = impl_from_IXMLDOMText( iface );
 234     return IXMLDOMNode_get_childNodes( IXMLDOMNode_from_impl(&This->node), outList );
 235 }
 236
 237 static HRESULT WINAPI domtext_get_firstChild(
 238     IXMLDOMText *iface,
 239     IXMLDOMNode** domNode)
 240 {
 241     domtext *This = impl_from_IXMLDOMText( iface );
 242     return IXMLDOMNode_get_firstChild( IXMLDOMNode_from_impl(&This->node), domNode );
 243 }
 244
 245 static HRESULT WINAPI domtext_get_lastChild(
 246     IXMLDOMText *iface,
 247     IXMLDOMNode** domNode)
 248 {
 249     domtext *This = impl_from_IXMLDOMText( iface );
 250     return IXMLDOMNode_get_lastChild( IXMLDOMNode_from_impl(&This->node), domNode );
 251 }
 252
 253 static HRESULT WINAPI domtext_get_previousSibling(
 254     IXMLDOMText *iface,
 255     IXMLDOMNode** domNode)
 256 {
 257     domtext *This = impl_from_IXMLDOMText( iface );
 258     return IXMLDOMNode_get_previousSibling( IXMLDOMNode_from_impl(&This->node), domNode );
 259 }
 260
 261 static HRESULT WINAPI domtext_get_nextSibling(
 262     IXMLDOMText *iface,
 263     IXMLDOMNode** domNode)
 264 {
 265     domtext *This = impl_from_IXMLDOMText( iface );
 266     return IXMLDOMNode_get_nextSibling( IXMLDOMNode_from_impl(&This->node), domNode );
 267 }
 268
 269 static HRESULT WINAPI domtext_get_attributes(
 270     IXMLDOMText *iface,
 271     IXMLDOMNamedNodeMap** attributeMap)
 272 {
 273     domtext *This = impl_from_IXMLDOMText( iface );
 274     return IXMLDOMNode_get_attributes( IXMLDOMNode_from_impl(&This->node), attributeMap );
 275 }
 276
 277 static HRESULT WINAPI domtext_insertBefore(
 278     IXMLDOMText *iface,
 279     IXMLDOMNode* newNode, VARIANT var1,
 280     IXMLDOMNode** outOldNode)
 281 {
 282     domtext *This = impl_from_IXMLDOMText( iface );
 283     return IXMLDOMNode_insertBefore( IXMLDOMNode_from_impl(&This->node), newNode, var1, outOldNode );
 284 }
 285
 286 static HRESULT WINAPI domtext_replaceChild(
 287     IXMLDOMText *iface,
 288     IXMLDOMNode* newNode,
 289     IXMLDOMNode* oldNode,
 290     IXMLDOMNode** outOldNode)
 291 {
 292     domtext *This = impl_from_IXMLDOMText( iface );
 293     return IXMLDOMNode_replaceChild( IXMLDOMNode_from_impl(&This->node), newNode, oldNode, outOldNode );
 294 }
 295
 296 static HRESULT WINAPI domtext_removeChild(
 297     IXMLDOMText *iface,
 298     IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
 299 {
 300     domtext *This = impl_from_IXMLDOMText( iface );
 301     return IXMLDOMNode_removeChild( IXMLDOMNode_from_impl(&This->node), domNode, oldNode );
 302 }
 303
 304 static HRESULT WINAPI domtext_appendChild(
 305     IXMLDOMText *iface,
 306     IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
 307 {
 308     domtext *This = impl_from_IXMLDOMText( iface );
 309     return IXMLDOMNode_appendChild( IXMLDOMNode_from_impl(&This->node), newNode, outNewNode );
 310 }
 311
 312 static HRESULT WINAPI domtext_hasChildNodes(
 313     IXMLDOMText *iface,
 314     VARIANT_BOOL* pbool)
 315 {
 316     domtext *This = impl_from_IXMLDOMText( iface );
 317     return IXMLDOMNode_hasChildNodes( IXMLDOMNode_from_impl(&This->node), pbool );
 318 }
 319
 320 static HRESULT WINAPI domtext_get_ownerDocument(
 321     IXMLDOMText *iface,
 322     IXMLDOMDocument** domDocument)
 323 {
 324     domtext *This = impl_from_IXMLDOMText( iface );
 325     return IXMLDOMNode_get_ownerDocument( IXMLDOMNode_from_impl(&This->node), domDocument );
 326 }
 327
 328 static HRESULT WINAPI domtext_cloneNode(
 329     IXMLDOMText *iface,
 330     VARIANT_BOOL pbool, IXMLDOMNode** outNode)
 331 {
 332     domtext *This = impl_from_IXMLDOMText( iface );
 333     return IXMLDOMNode_cloneNode( IXMLDOMNode_from_impl(&This->node), pbool, outNode );
 334 }
 335
 336 static HRESULT WINAPI domtext_get_nodeTypeString(
 337     IXMLDOMText *iface,
 338     BSTR* p)
 339 {
 340     domtext *This = impl_from_IXMLDOMText( iface );
 341     return IXMLDOMNode_get_nodeTypeString( IXMLDOMNode_from_impl(&This->node), p );
 342 }
 343
 344 static HRESULT WINAPI domtext_get_text(
 345     IXMLDOMText *iface,
 346     BSTR* p)
 347 {
 348     domtext *This = impl_from_IXMLDOMText( iface );
 349     return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
 350 }
 351
 352 static HRESULT WINAPI domtext_put_text(
 353     IXMLDOMText *iface,
 354     BSTR p)
 355 {
 356     domtext *This = impl_from_IXMLDOMText( iface );
 357     return IXMLDOMNode_put_text( IXMLDOMNode_from_impl(&This->node), p );
 358 }
 359
 360 static HRESULT WINAPI domtext_get_specified(
 361     IXMLDOMText *iface,
 362     VARIANT_BOOL* pbool)
 363 {
 364     domtext *This = impl_from_IXMLDOMText( iface );
 365     return IXMLDOMNode_get_specified( IXMLDOMNode_from_impl(&This->node), pbool );
 366 }
 367
 368 static HRESULT WINAPI domtext_get_definition(
 369     IXMLDOMText *iface,
 370     IXMLDOMNode** domNode)
 371 {
 372     domtext *This = impl_from_IXMLDOMText( iface );
 373     return IXMLDOMNode_get_definition( IXMLDOMNode_from_impl(&This->node), domNode );
 374 }
 375
 376 static HRESULT WINAPI domtext_get_nodeTypedValue(
 377     IXMLDOMText *iface,
 378     VARIANT* var1)
 379 {
 380     domtext *This = impl_from_IXMLDOMText( iface );
 381     return IXMLDOMNode_get_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
 382 }
 383
 384 static HRESULT WINAPI domtext_put_nodeTypedValue(
 385     IXMLDOMText *iface,
 386     VARIANT var1)
 387 {
 388     domtext *This = impl_from_IXMLDOMText( iface );
 389     return IXMLDOMNode_put_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
 390 }
 391
 392 static HRESULT WINAPI domtext_get_dataType(
 393     IXMLDOMText *iface,
 394     VARIANT* var1)
 395 {
 396     domtext *This = impl_from_IXMLDOMText( iface );
 397     return IXMLDOMNode_get_dataType( IXMLDOMNode_from_impl(&This->node), var1 );
 398 }
 399
 400 static HRESULT WINAPI domtext_put_dataType(
 401     IXMLDOMText *iface,
 402     BSTR p)
 403 {
 404     domtext *This = impl_from_IXMLDOMText( iface );
 405     return IXMLDOMNode_put_dataType( IXMLDOMNode_from_impl(&This->node), p );
 406 }
 407
 408 static HRESULT WINAPI domtext_get_xml(
 409     IXMLDOMText *iface,
 410     BSTR* p)
 411 {
 412     domtext *This = impl_from_IXMLDOMText( iface );
 413     return IXMLDOMNode_get_xml( IXMLDOMNode_from_impl(&This->node), p );
 414 }
 415
 416 static HRESULT WINAPI domtext_transformNode(
 417     IXMLDOMText *iface,
 418     IXMLDOMNode* domNode, BSTR* p)
 419 {
 420     domtext *This = impl_from_IXMLDOMText( iface );
 421     return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
 422 }
 423
 424 static HRESULT WINAPI domtext_selectNodes(
 425     IXMLDOMText *iface,
 426     BSTR p, IXMLDOMNodeList** outList)
 427 {
 428     domtext *This = impl_from_IXMLDOMText( iface );
 429     return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
 430 }
 431
 432 static HRESULT WINAPI domtext_selectSingleNode(
 433     IXMLDOMText *iface,
 434     BSTR p, IXMLDOMNode** outNode)
 435 {
 436     domtext *This = impl_from_IXMLDOMText( iface );
 437     return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
 438 }
 439
 440 static HRESULT WINAPI domtext_get_parsed(
 441     IXMLDOMText *iface,
 442     VARIANT_BOOL* pbool)
 443 {
 444     domtext *This = impl_from_IXMLDOMText( iface );
 445     return IXMLDOMNode_get_parsed( IXMLDOMNode_from_impl(&This->node), pbool );
 446 }
 447
 448 static HRESULT WINAPI domtext_get_namespaceURI(
 449     IXMLDOMText *iface,
 450     BSTR* p)
 451 {
 452     domtext *This = impl_from_IXMLDOMText( iface );
 453     return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
 454 }
 455
 456 static HRESULT WINAPI domtext_get_prefix(
 457     IXMLDOMText *iface,
 458     BSTR* p)
 459 {
 460     domtext *This = impl_from_IXMLDOMText( iface );
 461     return IXMLDOMNode_get_prefix( IXMLDOMNode_from_impl(&This->node), p );
 462 }
 463
 464 static HRESULT WINAPI domtext_get_baseName(
 465     IXMLDOMText *iface,
 466     BSTR* p)
 467 {
 468     domtext *This = impl_from_IXMLDOMText( iface );
 469     return IXMLDOMNode_get_baseName( IXMLDOMNode_from_impl(&This->node), p );
 470 }
 471
 472 static HRESULT WINAPI domtext_transformNodeToObject(
 473     IXMLDOMText *iface,
 474     IXMLDOMNode* domNode, VARIANT var1)
 475 {
 476     domtext *This = impl_from_IXMLDOMText( iface );
 477     return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
 478 }
 479
 480 static HRESULT WINAPI domtext_get_data(
 481     IXMLDOMText *iface,
 482     BSTR *p)
 483 {
 484     domtext *This = impl_from_IXMLDOMText( iface );
 485     HRESULT hr = E_FAIL;
 486     VARIANT vRet;
 487
 488     if(!p)
 489         return E_INVALIDARG;
 490
 491     hr = IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), &vRet );
 492     if(hr == S_OK)
 493     {
 494         *p = V_BSTR(&vRet);
 495     }
 496
 497     return hr;
 498 }
 499
 500 static HRESULT WINAPI domtext_put_data(
 501     IXMLDOMText *iface,
 502     BSTR data)
 503 {
 504     domtext *This = impl_from_IXMLDOMText( iface );
 505     HRESULT hr = E_FAIL;
 506     VARIANT val;
 507
 508     TRACE("%p %s\n", This, debugstr_w(data) );
 509
 510     V_VT(&val) = VT_BSTR;
 511     V_BSTR(&val) = data;
 512
 513     hr = IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), val );
 514
 515     return hr;
 516 }
 517
 518 static HRESULT WINAPI domtext_get_length(
 519     IXMLDOMText *iface,
 520     LONG *len)
 521 {
 522     domtext *This = impl_from_IXMLDOMText( iface );
 523     xmlChar *pContent;
 524     LONG nLength = 0;
 525
 526     TRACE("%p\n", iface);
 527
 528     if(!len)
 529         return E_INVALIDARG;
 530
 531     pContent = xmlNodeGetContent(This->node.node);
 532     if(pContent)
 533     {
 534         nLength = xmlStrlen(pContent);
 535         xmlFree(pContent);
 536     }
 537
 538     *len = nLength;
 539
 540     return S_OK;
 541 }
 542
 543 static HRESULT WINAPI domtext_substringData(
 544     IXMLDOMText *iface,
 545     LONG offset, LONG count, BSTR *p)
 546 {
 547     domtext *This = impl_from_IXMLDOMText( iface );
 548     xmlChar *pContent;
 549     LONG nLength = 0;
 550     HRESULT hr = S_FALSE;
 551
 552     TRACE("%p\n", iface);
 553
 554     if(!p)
 555         return E_INVALIDARG;
 556
 557     *p = NULL;
 558     if(offset < 0 || count < 0)
 559         return E_INVALIDARG;
 560
 561     if(count == 0)
 562         return hr;
 563
 564     pContent = xmlNodeGetContent(This->node.node);
 565     if(pContent)
 566     {
 567         nLength = xmlStrlen(pContent);
 568
 569         if( offset < nLength)
 570         {
 571             BSTR sContent = bstr_from_xmlChar(pContent);
 572             if(offset + count > nLength)
 573                 *p = SysAllocString(&sContent[offset]);
 574             else
 575                 *p = SysAllocStringLen(&sContent[offset], count);
 576
 577             SysFreeString(sContent);
 578             hr = S_OK;
 579         }
 580
 581         xmlFree(pContent);
 582     }
 583
 584     return hr;
 585 }
 586
 587 static HRESULT WINAPI domtext_appendData(
 588     IXMLDOMText *iface,
 589     BSTR p)
 590 {
 591     domtext *This = impl_from_IXMLDOMText( iface );
 592     xmlChar *pContent;
 593     HRESULT hr = S_FALSE;
 594
 595     TRACE("%p\n", iface);
 596
 597     /* Nothing to do if NULL or an Empty string passed in. */
 598     if(p == NULL || SysStringLen(p) == 0)
 599         return S_OK;
 600
 601     pContent = xmlChar_from_wchar( p );
 602     if(pContent)
 603     {
 604         if(xmlTextConcat(This->node.node, pContent, SysStringLen(p)) == 0)
 605             hr = S_OK;
 606         else
 607             hr = E_FAIL;
 608         HeapFree( GetProcessHeap(), 0, pContent );
 609     }
 610     else
 611         hr = E_FAIL;
 612
 613     return hr;
 614 }
 615
 616 static HRESULT WINAPI domtext_insertData(
 617     IXMLDOMText *iface,
 618     LONG offset, BSTR p)
 619 {
 620     domtext *This = impl_from_IXMLDOMText( iface );
 621     xmlChar *pXmlContent;
 622     BSTR sNewString;
 623     HRESULT hr = S_FALSE;
 624     LONG nLength = 0, nLengthP = 0;
 625     xmlChar *str = NULL;
 626
 627     TRACE("%p\n", This);
 628
 629     /* If have a NULL or empty string, don't do anything. */
 630     if(SysStringLen(p) == 0)
 631         return S_OK;
 632
 633     if(offset < 0)
 634     {
 635         return E_INVALIDARG;
 636     }
 637
 638     pXmlContent = xmlNodeGetContent(This->node.node);
 639     if(pXmlContent)
 640     {
 641         BSTR sContent = bstr_from_xmlChar( pXmlContent );
 642         nLength = SysStringLen(sContent);
 643         nLengthP = SysStringLen(p);
 644
 645         if(nLength < offset)
 646         {
 647             SysFreeString(sContent);
 648             xmlFree(pXmlContent);
 649
 650             return E_INVALIDARG;
 651         }
 652
 653         sNewString = SysAllocStringLen(NULL, nLength + nLengthP + 1);
 654         if(sNewString)
 655         {
 656             if(offset > 0)
 657                 memcpy(sNewString, sContent, offset * sizeof(WCHAR));
 658
 659             memcpy(&sNewString[offset], p, nLengthP * sizeof(WCHAR));
 660
 661             if(offset+nLengthP < nLength)
 662                 memcpy(&sNewString[offset+nLengthP], &sContent[offset], (nLength-offset) * sizeof(WCHAR));
 663
 664             sNewString[nLengthP + nLength] = 0;
 665
 666             str = xmlChar_from_wchar(sNewString);
 667             if(str)
 668             {
 669                 xmlNodeSetContent(This->node.node, str);
 670                 hr = S_OK;
 671             }
 672             HeapFree(GetProcessHeap(), 0, str);
 673
 674             SysFreeString(sNewString);
 675         }
 676
 677         SysFreeString(sContent);
 678
 679         xmlFree(pXmlContent);
 680     }
 681
 682     return hr;
 683 }
 684
 685 static HRESULT WINAPI domtext_deleteData(
 686     IXMLDOMText *iface,
 687     LONG offset, LONG count)
 688 {
 689     FIXME("\n");
 690     return E_NOTIMPL;
 691 }
 692
 693 static HRESULT WINAPI domtext_replaceData(
 694     IXMLDOMText *iface,
 695     LONG offset, LONG count, BSTR p)
 696 {
 697     FIXME("\n");
 698     return E_NOTIMPL;
 699 }
 700
 701 static HRESULT WINAPI domtext_splitText(
 702     IXMLDOMText *iface,
 703     LONG offset, IXMLDOMText **txtNode)
 704 {
 705     FIXME("\n");
 706     return E_NOTIMPL;
 707 }
 708
 709
 710 static const struct IXMLDOMTextVtbl domtext_vtbl =
 711 {
 712     domtext_QueryInterface,
 713     domtext_AddRef,
 714     domtext_Release,
 715     domtext_GetTypeInfoCount,
 716     domtext_GetTypeInfo,
 717     domtext_GetIDsOfNames,
 718     domtext_Invoke,
 719     domtext_get_nodeName,
 720     domtext_get_nodeValue,
 721     domtext_put_nodeValue,
 722     domtext_get_nodeType,
 723     domtext_get_parentNode,
 724     domtext_get_childNodes,
 725     domtext_get_firstChild,
 726     domtext_get_lastChild,
 727     domtext_get_previousSibling,
 728     domtext_get_nextSibling,
 729     domtext_get_attributes,
 730     domtext_insertBefore,
 731     domtext_replaceChild,
 732     domtext_removeChild,
 733     domtext_appendChild,
 734     domtext_hasChildNodes,
 735     domtext_get_ownerDocument,
 736     domtext_cloneNode,
 737     domtext_get_nodeTypeString,
 738     domtext_get_text,
 739     domtext_put_text,
 740     domtext_get_specified,
 741     domtext_get_definition,
 742     domtext_get_nodeTypedValue,
 743     domtext_put_nodeTypedValue,
 744     domtext_get_dataType,
 745     domtext_put_dataType,
 746     domtext_get_xml,
 747     domtext_transformNode,
 748     domtext_selectNodes,
 749     domtext_selectSingleNode,
 750     domtext_get_parsed,
 751     domtext_get_namespaceURI,
 752     domtext_get_prefix,
 753     domtext_get_baseName,
 754     domtext_transformNodeToObject,
 755     domtext_get_data,
 756     domtext_put_data,
 757     domtext_get_length,
 758     domtext_substringData,
 759     domtext_appendData,
 760     domtext_insertData,
 761     domtext_deleteData,
 762     domtext_replaceData,
 763     domtext_splitText
 764 };
 765
 766 IUnknown* create_text( xmlNodePtr text )
 767 {
 768     domtext *This;
 769
 770     This = HeapAlloc( GetProcessHeap(), 0, sizeof *This );
 771     if ( !This )
 772         return NULL;
 773
 774     This->lpVtbl = &domtext_vtbl;
 775     This->ref = 1;
 776
 777     init_xmlnode(&This->node, text, (IUnknown*)&This->lpVtbl, NULL);
 778
 779     return (IUnknown*) &This->lpVtbl;
 780 }
 781
 782 #endif