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 "msxml6.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_IXMLDOMNode ) ||
  64          IsEqualGUID( riid, &IID_IDispatch ) ||
  65          IsEqualGUID( riid, &IID_IUnknown ) )
  66     {
  67         *ppvObject = iface;
  68     }
  69     else if(node_query_interface(&This->node, riid, ppvObject))
  70     {
  71         return *ppvObject ? S_OK : E_NOINTERFACE;
  72     }
  73     else if ( IsEqualGUID( riid, &IID_IXMLDOMElement ) ||
  74               IsEqualGUID( riid, &IID_IXMLDOMCDATASection ) )
  75     {
  76         /* IXMLDOMText is known to be correct in not implementing these */
  77         TRACE("Unsupported interface\n");
  78         return E_NOINTERFACE;
  79     }
  80     else
  81     {
  82         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
  83         return E_NOINTERFACE;
  84     }
  85
  86     IXMLDOMText_AddRef((IUnknown*)*ppvObject);
  87     return S_OK;
  88 }
  89
  90 static ULONG WINAPI domtext_AddRef(
  91     IXMLDOMText *iface )
  92 {
  93     domtext *This = impl_from_IXMLDOMText( iface );
  94     return InterlockedIncrement( &This->ref );
  95 }
  96
  97 static ULONG WINAPI domtext_Release(
  98     IXMLDOMText *iface )
  99 {
 100     domtext *This = impl_from_IXMLDOMText( iface );
 101     ULONG ref;
 102
 103     ref = InterlockedDecrement( &This->ref );
 104     if ( ref == 0 )
 105     {
 106         destroy_xmlnode(&This->node);
 107         heap_free( This );
 108     }
 109
 110     return ref;
 111 }
 112
 113 static HRESULT WINAPI domtext_GetTypeInfoCount(
 114     IXMLDOMText *iface,
 115     UINT* pctinfo )
 116 {
 117     domtext *This = impl_from_IXMLDOMText( iface );
 118
 119     TRACE("(%p)->(%p)\n", This, pctinfo);
 120
 121     *pctinfo = 1;
 122
 123     return S_OK;
 124 }
 125
 126 static HRESULT WINAPI domtext_GetTypeInfo(
 127     IXMLDOMText *iface,
 128     UINT iTInfo, LCID lcid,
 129     ITypeInfo** ppTInfo )
 130 {
 131     domtext *This = impl_from_IXMLDOMText( iface );
 132     HRESULT hr;
 133
 134     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 135
 136     hr = get_typeinfo(IXMLDOMText_tid, ppTInfo);
 137
 138     return hr;
 139 }
 140
 141 static HRESULT WINAPI domtext_GetIDsOfNames(
 142     IXMLDOMText *iface,
 143     REFIID riid, LPOLESTR* rgszNames,
 144     UINT cNames, LCID lcid, DISPID* rgDispId )
 145 {
 146     domtext *This = impl_from_IXMLDOMText( iface );
 147     ITypeInfo *typeinfo;
 148     HRESULT hr;
 149
 150     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 151           lcid, rgDispId);
 152
 153     if(!rgszNames || cNames == 0 || !rgDispId)
 154         return E_INVALIDARG;
 155
 156     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 157     if(SUCCEEDED(hr))
 158     {
 159         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 160         ITypeInfo_Release(typeinfo);
 161     }
 162
 163     return hr;
 164 }
 165
 166 static HRESULT WINAPI domtext_Invoke(
 167     IXMLDOMText *iface,
 168     DISPID dispIdMember, REFIID riid, LCID lcid,
 169     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 170     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 171 {
 172     domtext *This = impl_from_IXMLDOMText( iface );
 173     ITypeInfo *typeinfo;
 174     HRESULT hr;
 175
 176     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 177           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 178
 179     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 180     if(SUCCEEDED(hr))
 181     {
 182         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 183                 pVarResult, pExcepInfo, puArgErr);
 184         ITypeInfo_Release(typeinfo);
 185     }
 186
 187     return hr;
 188 }
 189
 190 static HRESULT WINAPI domtext_get_nodeName(
 191     IXMLDOMText *iface,
 192     BSTR* p )
 193 {
 194     domtext *This = impl_from_IXMLDOMText( iface );
 195
 196     static const WCHAR textW[] = {'#','t','e','x','t',0};
 197
 198     TRACE("(%p)->(%p)\n", This, p);
 199
 200     return return_bstr(textW, p);
 201 }
 202
 203 static HRESULT WINAPI domtext_get_nodeValue(
 204     IXMLDOMText *iface,
 205     VARIANT* value )
 206 {
 207     domtext *This = impl_from_IXMLDOMText( iface );
 208
 209     TRACE("(%p)->(%p)\n", This, value);
 210
 211     if(!value)
 212         return E_INVALIDARG;
 213
 214     V_VT(value) = VT_BSTR;
 215     V_BSTR(value) = bstr_from_xmlChar(This->node.node->content);
 216     return S_OK;
 217 }
 218
 219 static HRESULT WINAPI domtext_put_nodeValue(
 220     IXMLDOMText *iface,
 221     VARIANT value)
 222 {
 223     domtext *This = impl_from_IXMLDOMText( iface );
 224
 225     TRACE("(%p)->(v%d)\n", This, V_VT(&value));
 226
 227     return node_put_value(&This->node, &value);
 228 }
 229
 230 static HRESULT WINAPI domtext_get_nodeType(
 231     IXMLDOMText *iface,
 232     DOMNodeType* domNodeType )
 233 {
 234     domtext *This = impl_from_IXMLDOMText( iface );
 235
 236     TRACE("(%p)->(%p)\n", This, domNodeType);
 237
 238     *domNodeType = NODE_TEXT;
 239     return S_OK;
 240 }
 241
 242 static HRESULT WINAPI domtext_get_parentNode(
 243     IXMLDOMText *iface,
 244     IXMLDOMNode** parent )
 245 {
 246     domtext *This = impl_from_IXMLDOMText( iface );
 247
 248     TRACE("(%p)->(%p)\n", This, parent);
 249
 250     return node_get_parent(&This->node, parent);
 251 }
 252
 253 static HRESULT WINAPI domtext_get_childNodes(
 254     IXMLDOMText *iface,
 255     IXMLDOMNodeList** outList)
 256 {
 257     domtext *This = impl_from_IXMLDOMText( iface );
 258
 259     TRACE("(%p)->(%p)\n", This, outList);
 260
 261     return node_get_child_nodes(&This->node, outList);
 262 }
 263
 264 static HRESULT WINAPI domtext_get_firstChild(
 265     IXMLDOMText *iface,
 266     IXMLDOMNode** domNode)
 267 {
 268     domtext *This = impl_from_IXMLDOMText( iface );
 269
 270     TRACE("(%p)->(%p)\n", This, domNode);
 271
 272     return return_null_node(domNode);
 273 }
 274
 275 static HRESULT WINAPI domtext_get_lastChild(
 276     IXMLDOMText *iface,
 277     IXMLDOMNode** domNode)
 278 {
 279     domtext *This = impl_from_IXMLDOMText( iface );
 280
 281     TRACE("(%p)->(%p)\n", This, domNode);
 282
 283     return return_null_node(domNode);
 284 }
 285
 286 static HRESULT WINAPI domtext_get_previousSibling(
 287     IXMLDOMText *iface,
 288     IXMLDOMNode** domNode)
 289 {
 290     domtext *This = impl_from_IXMLDOMText( iface );
 291
 292     TRACE("(%p)->(%p)\n", This, domNode);
 293
 294     return node_get_previous_sibling(&This->node, domNode);
 295 }
 296
 297 static HRESULT WINAPI domtext_get_nextSibling(
 298     IXMLDOMText *iface,
 299     IXMLDOMNode** domNode)
 300 {
 301     domtext *This = impl_from_IXMLDOMText( iface );
 302
 303     TRACE("(%p)->(%p)\n", This, domNode);
 304
 305     return node_get_next_sibling(&This->node, domNode);
 306 }
 307
 308 static HRESULT WINAPI domtext_get_attributes(
 309     IXMLDOMText *iface,
 310     IXMLDOMNamedNodeMap** attributeMap)
 311 {
 312     domtext *This = impl_from_IXMLDOMText( iface );
 313
 314     TRACE("(%p)->(%p)\n", This, attributeMap);
 315
 316     return return_null_ptr((void**)attributeMap);
 317 }
 318
 319 static HRESULT WINAPI domtext_insertBefore(
 320     IXMLDOMText *iface,
 321     IXMLDOMNode* newNode, VARIANT refChild,
 322     IXMLDOMNode** outOldNode)
 323 {
 324     domtext *This = impl_from_IXMLDOMText( iface );
 325
 326     FIXME("(%p)->(%p x%d %p) needs test\n", This, newNode, V_VT(&refChild), outOldNode);
 327
 328     return node_insert_before(&This->node, newNode, &refChild, outOldNode);
 329 }
 330
 331 static HRESULT WINAPI domtext_replaceChild(
 332     IXMLDOMText *iface,
 333     IXMLDOMNode* newNode,
 334     IXMLDOMNode* oldNode,
 335     IXMLDOMNode** outOldNode)
 336 {
 337     domtext *This = impl_from_IXMLDOMText( iface );
 338
 339     FIXME("(%p)->(%p %p %p) needs test\n", This, newNode, oldNode, outOldNode);
 340
 341     return node_replace_child(&This->node, newNode, oldNode, outOldNode);
 342 }
 343
 344 static HRESULT WINAPI domtext_removeChild(
 345     IXMLDOMText *iface,
 346     IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
 347 {
 348     domtext *This = impl_from_IXMLDOMText( iface );
 349     return IXMLDOMNode_removeChild( IXMLDOMNode_from_impl(&This->node), domNode, oldNode );
 350 }
 351
 352 static HRESULT WINAPI domtext_appendChild(
 353     IXMLDOMText *iface,
 354     IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
 355 {
 356     domtext *This = impl_from_IXMLDOMText( iface );
 357     return IXMLDOMNode_appendChild( IXMLDOMNode_from_impl(&This->node), newNode, outNewNode );
 358 }
 359
 360 static HRESULT WINAPI domtext_hasChildNodes(
 361     IXMLDOMText *iface,
 362     VARIANT_BOOL* pbool)
 363 {
 364     domtext *This = impl_from_IXMLDOMText( iface );
 365     return IXMLDOMNode_hasChildNodes( IXMLDOMNode_from_impl(&This->node), pbool );
 366 }
 367
 368 static HRESULT WINAPI domtext_get_ownerDocument(
 369     IXMLDOMText *iface,
 370     IXMLDOMDocument** domDocument)
 371 {
 372     domtext *This = impl_from_IXMLDOMText( iface );
 373     return IXMLDOMNode_get_ownerDocument( IXMLDOMNode_from_impl(&This->node), domDocument );
 374 }
 375
 376 static HRESULT WINAPI domtext_cloneNode(
 377     IXMLDOMText *iface,
 378     VARIANT_BOOL deep, IXMLDOMNode** outNode)
 379 {
 380     domtext *This = impl_from_IXMLDOMText( iface );
 381     TRACE("(%p)->(%d %p)\n", This, deep, outNode);
 382     return node_clone( &This->node, deep, outNode );
 383 }
 384
 385 static HRESULT WINAPI domtext_get_nodeTypeString(
 386     IXMLDOMText *iface,
 387     BSTR* p)
 388 {
 389     domtext *This = impl_from_IXMLDOMText( iface );
 390     return IXMLDOMNode_get_nodeTypeString( IXMLDOMNode_from_impl(&This->node), p );
 391 }
 392
 393 static HRESULT WINAPI domtext_get_text(
 394     IXMLDOMText *iface,
 395     BSTR* p)
 396 {
 397     domtext *This = impl_from_IXMLDOMText( iface );
 398     return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
 399 }
 400
 401 static HRESULT WINAPI domtext_put_text(
 402     IXMLDOMText *iface,
 403     BSTR p)
 404 {
 405     domtext *This = impl_from_IXMLDOMText( iface );
 406     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 407     return node_put_text( &This->node, p );
 408 }
 409
 410 static HRESULT WINAPI domtext_get_specified(
 411     IXMLDOMText *iface,
 412     VARIANT_BOOL* isSpecified)
 413 {
 414     domtext *This = impl_from_IXMLDOMText( iface );
 415     FIXME("(%p)->(%p) stub!\n", This, isSpecified);
 416     *isSpecified = VARIANT_TRUE;
 417     return S_OK;
 418 }
 419
 420 static HRESULT WINAPI domtext_get_definition(
 421     IXMLDOMText *iface,
 422     IXMLDOMNode** definitionNode)
 423 {
 424     domtext *This = impl_from_IXMLDOMText( iface );
 425     FIXME("(%p)->(%p)\n", This, definitionNode);
 426     return E_NOTIMPL;
 427 }
 428
 429 static HRESULT WINAPI domtext_get_nodeTypedValue(
 430     IXMLDOMText *iface,
 431     VARIANT* var1)
 432 {
 433     domtext *This = impl_from_IXMLDOMText( iface );
 434     return IXMLDOMNode_get_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
 435 }
 436
 437 static HRESULT WINAPI domtext_put_nodeTypedValue(
 438     IXMLDOMText *iface,
 439     VARIANT var1)
 440 {
 441     domtext *This = impl_from_IXMLDOMText( iface );
 442     return IXMLDOMNode_put_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
 443 }
 444
 445 static HRESULT WINAPI domtext_get_dataType(
 446     IXMLDOMText *iface,
 447     VARIANT* typename)
 448 {
 449     domtext *This = impl_from_IXMLDOMText( iface );
 450     TRACE("(%p)->(%p)\n", This, typename);
 451     return return_null_var( typename );
 452 }
 453
 454 static HRESULT WINAPI domtext_put_dataType(
 455     IXMLDOMText *iface,
 456     BSTR p)
 457 {
 458     domtext *This = impl_from_IXMLDOMText( iface );
 459     return IXMLDOMNode_put_dataType( IXMLDOMNode_from_impl(&This->node), p );
 460 }
 461
 462 static HRESULT WINAPI domtext_get_xml(
 463     IXMLDOMText *iface,
 464     BSTR* p)
 465 {
 466     domtext *This = impl_from_IXMLDOMText( iface );
 467
 468     TRACE("(%p)->(%p)\n", This, p);
 469
 470     return node_get_xml(&This->node, FALSE, FALSE, p);
 471 }
 472
 473 static HRESULT WINAPI domtext_transformNode(
 474     IXMLDOMText *iface,
 475     IXMLDOMNode* domNode, BSTR* p)
 476 {
 477     domtext *This = impl_from_IXMLDOMText( iface );
 478     return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
 479 }
 480
 481 static HRESULT WINAPI domtext_selectNodes(
 482     IXMLDOMText *iface,
 483     BSTR p, IXMLDOMNodeList** outList)
 484 {
 485     domtext *This = impl_from_IXMLDOMText( iface );
 486     return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
 487 }
 488
 489 static HRESULT WINAPI domtext_selectSingleNode(
 490     IXMLDOMText *iface,
 491     BSTR p, IXMLDOMNode** outNode)
 492 {
 493     domtext *This = impl_from_IXMLDOMText( iface );
 494     return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
 495 }
 496
 497 static HRESULT WINAPI domtext_get_parsed(
 498     IXMLDOMText *iface,
 499     VARIANT_BOOL* isParsed)
 500 {
 501     domtext *This = impl_from_IXMLDOMText( iface );
 502     FIXME("(%p)->(%p) stub!\n", This, isParsed);
 503     *isParsed = VARIANT_TRUE;
 504     return S_OK;
 505 }
 506
 507 static HRESULT WINAPI domtext_get_namespaceURI(
 508     IXMLDOMText *iface,
 509     BSTR* p)
 510 {
 511     domtext *This = impl_from_IXMLDOMText( iface );
 512     return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
 513 }
 514
 515 static HRESULT WINAPI domtext_get_prefix(
 516     IXMLDOMText *iface,
 517     BSTR* prefix)
 518 {
 519     domtext *This = impl_from_IXMLDOMText( iface );
 520     TRACE("(%p)->(%p)\n", This, prefix);
 521     return return_null_bstr( prefix );
 522 }
 523
 524 static HRESULT WINAPI domtext_get_baseName(
 525     IXMLDOMText *iface,
 526     BSTR* name)
 527 {
 528     domtext *This = impl_from_IXMLDOMText( iface );
 529     TRACE("(%p)->(%p)\n", This, name);
 530     return return_null_bstr( name );
 531 }
 532
 533 static HRESULT WINAPI domtext_transformNodeToObject(
 534     IXMLDOMText *iface,
 535     IXMLDOMNode* domNode, VARIANT var1)
 536 {
 537     domtext *This = impl_from_IXMLDOMText( iface );
 538     return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
 539 }
 540
 541 static HRESULT WINAPI domtext_get_data(
 542     IXMLDOMText *iface,
 543     BSTR *p)
 544 {
 545     domtext *This = impl_from_IXMLDOMText( iface );
 546
 547     if(!p)
 548         return E_INVALIDARG;
 549
 550     *p = bstr_from_xmlChar(This->node.node->content);
 551     return S_OK;
 552 }
 553
 554 static HRESULT WINAPI domtext_put_data(
 555     IXMLDOMText *iface,
 556     BSTR data)
 557 {
 558     domtext *This = impl_from_IXMLDOMText( iface );
 559     VARIANT val;
 560
 561     TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
 562
 563     V_VT(&val) = VT_BSTR;
 564     V_BSTR(&val) = data;
 565     return node_put_value(&This->node, &val);
 566 }
 567
 568 static HRESULT WINAPI domtext_get_length(
 569     IXMLDOMText *iface,
 570     LONG *len)
 571 {
 572     domtext *This = impl_from_IXMLDOMText( iface );
 573     HRESULT hr;
 574     BSTR data;
 575
 576     TRACE("(%p)->(%p)\n", This, len);
 577
 578     if(!len)
 579         return E_INVALIDARG;
 580
 581     hr = IXMLDOMText_get_data(iface, &data);
 582     if(hr == S_OK)
 583     {
 584         *len = SysStringLen(data);
 585         SysFreeString(data);
 586     }
 587
 588     return hr;
 589 }
 590
 591 static HRESULT WINAPI domtext_substringData(
 592     IXMLDOMText *iface,
 593     LONG offset, LONG count, BSTR *p)
 594 {
 595     domtext *This = impl_from_IXMLDOMText( iface );
 596     HRESULT hr;
 597     BSTR data;
 598
 599     TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
 600
 601     if(!p)
 602         return E_INVALIDARG;
 603
 604     *p = NULL;
 605     if(offset < 0 || count < 0)
 606         return E_INVALIDARG;
 607
 608     if(count == 0)
 609         return S_FALSE;
 610
 611     hr = IXMLDOMText_get_data(iface, &data);
 612     if(hr == S_OK)
 613     {
 614         LONG len = SysStringLen(data);
 615
 616         if(offset < len)
 617         {
 618             if(offset + count > len)
 619                 *p = SysAllocString(&data[offset]);
 620             else
 621                 *p = SysAllocStringLen(&data[offset], count);
 622         }
 623         else
 624             hr = S_FALSE;
 625
 626         SysFreeString(data);
 627     }
 628
 629     return hr;
 630 }
 631
 632 static HRESULT WINAPI domtext_appendData(
 633     IXMLDOMText *iface,
 634     BSTR p)
 635 {
 636     domtext *This = impl_from_IXMLDOMText( iface );
 637     HRESULT hr;
 638     BSTR data;
 639     LONG p_len;
 640
 641     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 642
 643     /* Nothing to do if NULL or an Empty string passed in. */
 644     if((p_len = SysStringLen(p)) == 0) return S_OK;
 645
 646     hr = IXMLDOMText_get_data(iface, &data);
 647     if(hr == S_OK)
 648     {
 649         LONG len = SysStringLen(data);
 650         BSTR str = SysAllocStringLen(NULL, p_len + len);
 651
 652         memcpy(str, data, len*sizeof(WCHAR));
 653         memcpy(&str[len], p, p_len*sizeof(WCHAR));
 654         str[len+p_len] = 0;
 655
 656         hr = IXMLDOMText_put_data(iface, str);
 657
 658         SysFreeString(str);
 659         SysFreeString(data);
 660     }
 661
 662     return hr;
 663 }
 664
 665 static HRESULT WINAPI domtext_insertData(
 666     IXMLDOMText *iface,
 667     LONG offset, BSTR p)
 668 {
 669     domtext *This = impl_from_IXMLDOMText( iface );
 670     HRESULT hr;
 671     BSTR data;
 672     LONG p_len;
 673
 674     TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
 675
 676     /* If have a NULL or empty string, don't do anything. */
 677     if((p_len = SysStringLen(p)) == 0)
 678         return S_OK;
 679
 680     if(offset < 0)
 681     {
 682         return E_INVALIDARG;
 683     }
 684
 685     hr = IXMLDOMText_get_data(iface, &data);
 686     if(hr == S_OK)
 687     {
 688         LONG len = SysStringLen(data);
 689         BSTR str;
 690
 691         if(len < offset)
 692         {
 693             SysFreeString(data);
 694             return E_INVALIDARG;
 695         }
 696
 697         str = SysAllocStringLen(NULL, len + p_len);
 698         /* start part, supplied string and end part */
 699         memcpy(str, data, offset*sizeof(WCHAR));
 700         memcpy(&str[offset], p, p_len*sizeof(WCHAR));
 701         memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
 702         str[len+p_len] = 0;
 703
 704         hr = IXMLDOMText_put_data(iface, str);
 705
 706         SysFreeString(str);
 707         SysFreeString(data);
 708     }
 709
 710     return hr;
 711 }
 712
 713 static HRESULT WINAPI domtext_deleteData(
 714     IXMLDOMText *iface,
 715     LONG offset, LONG count)
 716 {
 717     HRESULT hr;
 718     LONG len = -1;
 719     BSTR str;
 720
 721     TRACE("(%p)->(%d %d)\n", iface, offset, count);
 722
 723     hr = IXMLDOMText_get_length(iface, &len);
 724     if(hr != S_OK) return hr;
 725
 726     if((offset < 0) || (offset > len) || (count < 0))
 727         return E_INVALIDARG;
 728
 729     if(len == 0) return S_OK;
 730
 731     /* cutting start or end */
 732     if((offset == 0) || ((count + offset) >= len))
 733     {
 734         if(offset == 0)
 735             IXMLDOMText_substringData(iface, count, len - count, &str);
 736         else
 737             IXMLDOMText_substringData(iface, 0, offset, &str);
 738         hr = IXMLDOMText_put_data(iface, str);
 739     }
 740     else
 741     /* cutting from the inside */
 742     {
 743         BSTR str_end;
 744
 745         IXMLDOMText_substringData(iface, 0, offset, &str);
 746         IXMLDOMText_substringData(iface, offset + count, len - count, &str_end);
 747
 748         hr = IXMLDOMText_put_data(iface, str);
 749         if(hr == S_OK)
 750             hr = IXMLDOMText_appendData(iface, str_end);
 751
 752         SysFreeString(str_end);
 753     }
 754
 755     SysFreeString(str);
 756
 757     return hr;
 758 }
 759
 760 static HRESULT WINAPI domtext_replaceData(
 761     IXMLDOMText *iface,
 762     LONG offset, LONG count, BSTR p)
 763 {
 764     domtext *This = impl_from_IXMLDOMText( iface );
 765     HRESULT hr;
 766
 767     TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
 768
 769     hr = IXMLDOMText_deleteData(iface, offset, count);
 770
 771     if (hr == S_OK)
 772        hr = IXMLDOMText_insertData(iface, offset, p);
 773
 774     return hr;
 775 }
 776
 777 static HRESULT WINAPI domtext_splitText(
 778     IXMLDOMText *iface,
 779     LONG offset, IXMLDOMText **txtNode)
 780 {
 781     domtext *This = impl_from_IXMLDOMText( iface );
 782     LONG length = 0;
 783
 784     TRACE("(%p)->(%d %p)\n", This, offset, txtNode);
 785
 786     if (!txtNode || offset < 0) return E_INVALIDARG;
 787
 788     *txtNode = NULL;
 789
 790     IXMLDOMText_get_length(iface, &length);
 791
 792     if (offset > length) return E_INVALIDARG;
 793     if (offset == length) return S_FALSE;
 794
 795     FIXME("adjacent text nodes are not supported\n");
 796
 797     return E_NOTIMPL;
 798 }
 799
 800 static const struct IXMLDOMTextVtbl domtext_vtbl =
 801 {
 802     domtext_QueryInterface,
 803     domtext_AddRef,
 804     domtext_Release,
 805     domtext_GetTypeInfoCount,
 806     domtext_GetTypeInfo,
 807     domtext_GetIDsOfNames,
 808     domtext_Invoke,
 809     domtext_get_nodeName,
 810     domtext_get_nodeValue,
 811     domtext_put_nodeValue,
 812     domtext_get_nodeType,
 813     domtext_get_parentNode,
 814     domtext_get_childNodes,
 815     domtext_get_firstChild,
 816     domtext_get_lastChild,
 817     domtext_get_previousSibling,
 818     domtext_get_nextSibling,
 819     domtext_get_attributes,
 820     domtext_insertBefore,
 821     domtext_replaceChild,
 822     domtext_removeChild,
 823     domtext_appendChild,
 824     domtext_hasChildNodes,
 825     domtext_get_ownerDocument,
 826     domtext_cloneNode,
 827     domtext_get_nodeTypeString,
 828     domtext_get_text,
 829     domtext_put_text,
 830     domtext_get_specified,
 831     domtext_get_definition,
 832     domtext_get_nodeTypedValue,
 833     domtext_put_nodeTypedValue,
 834     domtext_get_dataType,
 835     domtext_put_dataType,
 836     domtext_get_xml,
 837     domtext_transformNode,
 838     domtext_selectNodes,
 839     domtext_selectSingleNode,
 840     domtext_get_parsed,
 841     domtext_get_namespaceURI,
 842     domtext_get_prefix,
 843     domtext_get_baseName,
 844     domtext_transformNodeToObject,
 845     domtext_get_data,
 846     domtext_put_data,
 847     domtext_get_length,
 848     domtext_substringData,
 849     domtext_appendData,
 850     domtext_insertData,
 851     domtext_deleteData,
 852     domtext_replaceData,
 853     domtext_splitText
 854 };
 855
 856 IUnknown* create_text( xmlNodePtr text )
 857 {
 858     domtext *This;
 859
 860     This = heap_alloc( sizeof *This );
 861     if ( !This )
 862         return NULL;
 863
 864     This->lpVtbl = &domtext_vtbl;
 865     This->ref = 1;
 866
 867     init_xmlnode(&This->node, text, (IXMLDOMNode*)&This->lpVtbl, NULL);
 868
 869     return (IUnknown*) &This->lpVtbl;
 870 }
 871
 872 #endif