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         heap_free( 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;
 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     VARIANT val;
 506
 507     TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
 508
 509     V_VT(&val) = VT_BSTR;
 510     V_BSTR(&val) = data;
 511
 512     return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), val );
 513 }
 514
 515 static HRESULT WINAPI domtext_get_length(
 516     IXMLDOMText *iface,
 517     LONG *len)
 518 {
 519     domtext *This = impl_from_IXMLDOMText( iface );
 520     HRESULT hr;
 521     BSTR data;
 522
 523     TRACE("(%p)->(%p)\n", This, len);
 524
 525     if(!len)
 526         return E_INVALIDARG;
 527
 528     hr = IXMLDOMText_get_data(iface, &data);
 529     if(hr == S_OK)
 530     {
 531         *len = SysStringLen(data);
 532         SysFreeString(data);
 533     }
 534
 535     return hr;
 536 }
 537
 538 static HRESULT WINAPI domtext_substringData(
 539     IXMLDOMText *iface,
 540     LONG offset, LONG count, BSTR *p)
 541 {
 542     domtext *This = impl_from_IXMLDOMText( iface );
 543     HRESULT hr;
 544     BSTR data;
 545
 546     TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
 547
 548     if(!p)
 549         return E_INVALIDARG;
 550
 551     *p = NULL;
 552     if(offset < 0 || count < 0)
 553         return E_INVALIDARG;
 554
 555     if(count == 0)
 556         return S_FALSE;
 557
 558     hr = IXMLDOMText_get_data(iface, &data);
 559     if(hr == S_OK)
 560     {
 561         LONG len = SysStringLen(data);
 562
 563         if(offset < len)
 564         {
 565             if(offset + count > len)
 566                 *p = SysAllocString(&data[offset]);
 567             else
 568                 *p = SysAllocStringLen(&data[offset], count);
 569         }
 570         else
 571             hr = S_FALSE;
 572
 573         SysFreeString(data);
 574     }
 575
 576     return hr;
 577 }
 578
 579 static HRESULT WINAPI domtext_appendData(
 580     IXMLDOMText *iface,
 581     BSTR p)
 582 {
 583     domtext *This = impl_from_IXMLDOMText( iface );
 584     HRESULT hr;
 585     BSTR data;
 586     LONG p_len;
 587
 588     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 589
 590     /* Nothing to do if NULL or an Empty string passed in. */
 591     if((p_len = SysStringLen(p)) == 0) return S_OK;
 592
 593     hr = IXMLDOMText_get_data(iface, &data);
 594     if(hr == S_OK)
 595     {
 596         LONG len = SysStringLen(data);
 597         BSTR str = SysAllocStringLen(NULL, p_len + len);
 598
 599         memcpy(str, data, len*sizeof(WCHAR));
 600         memcpy(&str[len], p, p_len*sizeof(WCHAR));
 601         str[len+p_len] = 0;
 602
 603         hr = IXMLDOMText_put_data(iface, str);
 604
 605         SysFreeString(str);
 606         SysFreeString(data);
 607     }
 608
 609     return hr;
 610 }
 611
 612 static HRESULT WINAPI domtext_insertData(
 613     IXMLDOMText *iface,
 614     LONG offset, BSTR p)
 615 {
 616     domtext *This = impl_from_IXMLDOMText( iface );
 617     HRESULT hr;
 618     BSTR data;
 619     LONG p_len;
 620
 621     TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
 622
 623     /* If have a NULL or empty string, don't do anything. */
 624     if((p_len = SysStringLen(p)) == 0)
 625         return S_OK;
 626
 627     if(offset < 0)
 628     {
 629         return E_INVALIDARG;
 630     }
 631
 632     hr = IXMLDOMText_get_data(iface, &data);
 633     if(hr == S_OK)
 634     {
 635         LONG len = SysStringLen(data);
 636         BSTR str;
 637
 638         if(len < offset)
 639         {
 640             SysFreeString(data);
 641             return E_INVALIDARG;
 642         }
 643
 644         str = SysAllocStringLen(NULL, len + p_len);
 645         /* start part, supplied string and end part */
 646         memcpy(str, data, offset*sizeof(WCHAR));
 647         memcpy(&str[offset], p, p_len*sizeof(WCHAR));
 648         memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
 649         str[len+p_len] = 0;
 650
 651         hr = IXMLDOMText_put_data(iface, str);
 652
 653         SysFreeString(str);
 654         SysFreeString(data);
 655     }
 656
 657     return hr;
 658 }
 659
 660 static HRESULT WINAPI domtext_deleteData(
 661     IXMLDOMText *iface,
 662     LONG offset, LONG count)
 663 {
 664     HRESULT hr;
 665     LONG len = -1;
 666     BSTR str;
 667
 668     TRACE("(%p)->(%d %d)\n", iface, offset, count);
 669
 670     hr = IXMLDOMText_get_length(iface, &len);
 671     if(hr != S_OK) return hr;
 672
 673     if((offset < 0) || (offset > len) || (count < 0))
 674         return E_INVALIDARG;
 675
 676     if(len == 0) return S_OK;
 677
 678     /* cutting start or end */
 679     if((offset == 0) || ((count + offset) >= len))
 680     {
 681         if(offset == 0)
 682             IXMLDOMText_substringData(iface, count, len - count, &str);
 683         else
 684             IXMLDOMText_substringData(iface, 0, offset, &str);
 685         hr = IXMLDOMText_put_data(iface, str);
 686     }
 687     else
 688     /* cutting from the inside */
 689     {
 690         BSTR str_end;
 691
 692         IXMLDOMText_substringData(iface, 0, offset, &str);
 693         IXMLDOMText_substringData(iface, offset + count, len - count, &str_end);
 694
 695         hr = IXMLDOMText_put_data(iface, str);
 696         if(hr == S_OK)
 697             hr = IXMLDOMText_appendData(iface, str_end);
 698
 699         SysFreeString(str_end);
 700     }
 701
 702     SysFreeString(str);
 703
 704     return hr;
 705 }
 706
 707 static HRESULT WINAPI domtext_replaceData(
 708     IXMLDOMText *iface,
 709     LONG offset, LONG count, BSTR p)
 710 {
 711     domtext *This = impl_from_IXMLDOMText( iface );
 712     HRESULT hr;
 713
 714     TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
 715
 716     hr = IXMLDOMText_deleteData(iface, offset, count);
 717
 718     if (hr == S_OK)
 719        hr = IXMLDOMText_insertData(iface, offset, p);
 720
 721     return hr;
 722 }
 723
 724 static HRESULT WINAPI domtext_splitText(
 725     IXMLDOMText *iface,
 726     LONG offset, IXMLDOMText **txtNode)
 727 {
 728     domtext *This = impl_from_IXMLDOMText( iface );
 729     FIXME("(%p)->(%d %p)\n", This, offset, txtNode);
 730     return E_NOTIMPL;
 731 }
 732
 733
 734 static const struct IXMLDOMTextVtbl domtext_vtbl =
 735 {
 736     domtext_QueryInterface,
 737     domtext_AddRef,
 738     domtext_Release,
 739     domtext_GetTypeInfoCount,
 740     domtext_GetTypeInfo,
 741     domtext_GetIDsOfNames,
 742     domtext_Invoke,
 743     domtext_get_nodeName,
 744     domtext_get_nodeValue,
 745     domtext_put_nodeValue,
 746     domtext_get_nodeType,
 747     domtext_get_parentNode,
 748     domtext_get_childNodes,
 749     domtext_get_firstChild,
 750     domtext_get_lastChild,
 751     domtext_get_previousSibling,
 752     domtext_get_nextSibling,
 753     domtext_get_attributes,
 754     domtext_insertBefore,
 755     domtext_replaceChild,
 756     domtext_removeChild,
 757     domtext_appendChild,
 758     domtext_hasChildNodes,
 759     domtext_get_ownerDocument,
 760     domtext_cloneNode,
 761     domtext_get_nodeTypeString,
 762     domtext_get_text,
 763     domtext_put_text,
 764     domtext_get_specified,
 765     domtext_get_definition,
 766     domtext_get_nodeTypedValue,
 767     domtext_put_nodeTypedValue,
 768     domtext_get_dataType,
 769     domtext_put_dataType,
 770     domtext_get_xml,
 771     domtext_transformNode,
 772     domtext_selectNodes,
 773     domtext_selectSingleNode,
 774     domtext_get_parsed,
 775     domtext_get_namespaceURI,
 776     domtext_get_prefix,
 777     domtext_get_baseName,
 778     domtext_transformNodeToObject,
 779     domtext_get_data,
 780     domtext_put_data,
 781     domtext_get_length,
 782     domtext_substringData,
 783     domtext_appendData,
 784     domtext_insertData,
 785     domtext_deleteData,
 786     domtext_replaceData,
 787     domtext_splitText
 788 };
 789
 790 IUnknown* create_text( xmlNodePtr text )
 791 {
 792     domtext *This;
 793
 794     This = heap_alloc( sizeof *This );
 795     if ( !This )
 796         return NULL;
 797
 798     This->lpVtbl = &domtext_vtbl;
 799     This->ref = 1;
 800
 801     init_xmlnode(&This->node, text, (IUnknown*)&This->lpVtbl, NULL);
 802
 803     return (IUnknown*) &This->lpVtbl;
 804 }
 805
 806 #endif