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     IXMLDOMText IXMLDOMText_iface;
  45     LONG ref;
  46 } domtext;
  47
  48 static inline domtext *impl_from_IXMLDOMText( IXMLDOMText *iface )
  49 {
  50     return CONTAINING_RECORD(iface, domtext, IXMLDOMText_iface);
  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->IXMLDOMText_iface, 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     static const WCHAR textW[] = {'t','e','x','t',0};
 391
 392     TRACE("(%p)->(%p)\n", This, p);
 393
 394     return return_bstr(textW, p);
 395 }
 396
 397 static HRESULT WINAPI domtext_get_text(
 398     IXMLDOMText *iface,
 399     BSTR* p)
 400 {
 401     domtext *This = impl_from_IXMLDOMText( iface );
 402     return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
 403 }
 404
 405 static HRESULT WINAPI domtext_put_text(
 406     IXMLDOMText *iface,
 407     BSTR p)
 408 {
 409     domtext *This = impl_from_IXMLDOMText( iface );
 410     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 411     return node_put_text( &This->node, p );
 412 }
 413
 414 static HRESULT WINAPI domtext_get_specified(
 415     IXMLDOMText *iface,
 416     VARIANT_BOOL* isSpecified)
 417 {
 418     domtext *This = impl_from_IXMLDOMText( iface );
 419     FIXME("(%p)->(%p) stub!\n", This, isSpecified);
 420     *isSpecified = VARIANT_TRUE;
 421     return S_OK;
 422 }
 423
 424 static HRESULT WINAPI domtext_get_definition(
 425     IXMLDOMText *iface,
 426     IXMLDOMNode** definitionNode)
 427 {
 428     domtext *This = impl_from_IXMLDOMText( iface );
 429     FIXME("(%p)->(%p)\n", This, definitionNode);
 430     return E_NOTIMPL;
 431 }
 432
 433 static HRESULT WINAPI domtext_get_nodeTypedValue(
 434     IXMLDOMText *iface,
 435     VARIANT* var1)
 436 {
 437     domtext *This = impl_from_IXMLDOMText( iface );
 438     IXMLDOMNode* parent = NULL;
 439     HRESULT hr;
 440
 441     TRACE("(%p)->(%p)\n", This, var1);
 442
 443     if (!var1)
 444         return E_INVALIDARG;
 445
 446     hr = domtext_get_parentNode(iface, &parent);
 447
 448     if (hr == S_OK)
 449     {
 450         hr = IXMLDOMNode_get_nodeTypedValue(parent, var1);
 451         IXMLDOMNode_Release(parent);
 452     }
 453     else
 454     {
 455         V_VT(var1) = VT_NULL;
 456         V_BSTR(var1) = NULL;
 457         hr = S_FALSE;
 458     }
 459
 460     return hr;
 461 }
 462
 463 static HRESULT WINAPI domtext_put_nodeTypedValue(
 464     IXMLDOMText *iface,
 465     VARIANT var1)
 466 {
 467     domtext *This = impl_from_IXMLDOMText( iface );
 468     IXMLDOMNode* parent = NULL;
 469     HRESULT hr;
 470
 471     TRACE("(%p)->(VARIANT)\n", This);
 472
 473     hr = domtext_get_parentNode(iface, &parent);
 474
 475     if (hr == S_OK)
 476     {
 477         hr = IXMLDOMNode_put_nodeTypedValue(parent, var1);
 478         IXMLDOMNode_Release(parent);
 479     }
 480     else
 481     {
 482         hr = S_FALSE;
 483     }
 484
 485     return hr;
 486 }
 487
 488 static HRESULT WINAPI domtext_get_dataType(
 489     IXMLDOMText *iface,
 490     VARIANT* dtName)
 491 {
 492     domtext *This = impl_from_IXMLDOMText( iface );
 493     IXMLDOMNode* parent = NULL;
 494     HRESULT hr;
 495
 496     TRACE("(%p)->(%p)\n", This, dtName);
 497
 498     if (!dtName)
 499         return E_INVALIDARG;
 500
 501     hr = domtext_get_parentNode(iface, &parent);
 502
 503     if (hr == S_OK)
 504     {
 505         hr = IXMLDOMNode_get_dataType(parent, dtName);
 506         IXMLDOMNode_Release(parent);
 507     }
 508     else
 509     {
 510         V_VT(dtName) = VT_NULL;
 511         V_BSTR(dtName) = NULL;
 512         hr = S_FALSE;
 513     }
 514
 515     return hr;
 516 }
 517
 518 static HRESULT WINAPI domtext_put_dataType(
 519     IXMLDOMText *iface,
 520     BSTR dtName)
 521 {
 522     domtext *This = impl_from_IXMLDOMText( iface );
 523     IXMLDOMNode* parent = NULL;
 524     HRESULT hr;
 525
 526     TRACE("(%p)->(%p)\n", This, dtName);
 527
 528     if (!dtName)
 529         return E_INVALIDARG;
 530
 531     hr = domtext_get_parentNode(iface, &parent);
 532
 533     if (hr == S_OK)
 534     {
 535         hr = IXMLDOMNode_put_dataType(parent, dtName);
 536         IXMLDOMNode_Release(parent);
 537     }
 538     else
 539     {
 540         hr = S_FALSE;
 541     }
 542
 543     return hr;
 544 }
 545
 546 static HRESULT WINAPI domtext_get_xml(
 547     IXMLDOMText *iface,
 548     BSTR* p)
 549 {
 550     domtext *This = impl_from_IXMLDOMText( iface );
 551
 552     TRACE("(%p)->(%p)\n", This, p);
 553
 554     return node_get_xml(&This->node, FALSE, FALSE, p);
 555 }
 556
 557 static HRESULT WINAPI domtext_transformNode(
 558     IXMLDOMText *iface,
 559     IXMLDOMNode* domNode, BSTR* p)
 560 {
 561     domtext *This = impl_from_IXMLDOMText( iface );
 562     return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
 563 }
 564
 565 static HRESULT WINAPI domtext_selectNodes(
 566     IXMLDOMText *iface,
 567     BSTR p, IXMLDOMNodeList** outList)
 568 {
 569     domtext *This = impl_from_IXMLDOMText( iface );
 570     return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
 571 }
 572
 573 static HRESULT WINAPI domtext_selectSingleNode(
 574     IXMLDOMText *iface,
 575     BSTR p, IXMLDOMNode** outNode)
 576 {
 577     domtext *This = impl_from_IXMLDOMText( iface );
 578     return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
 579 }
 580
 581 static HRESULT WINAPI domtext_get_parsed(
 582     IXMLDOMText *iface,
 583     VARIANT_BOOL* isParsed)
 584 {
 585     domtext *This = impl_from_IXMLDOMText( iface );
 586     FIXME("(%p)->(%p) stub!\n", This, isParsed);
 587     *isParsed = VARIANT_TRUE;
 588     return S_OK;
 589 }
 590
 591 static HRESULT WINAPI domtext_get_namespaceURI(
 592     IXMLDOMText *iface,
 593     BSTR* p)
 594 {
 595     domtext *This = impl_from_IXMLDOMText( iface );
 596     return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
 597 }
 598
 599 static HRESULT WINAPI domtext_get_prefix(
 600     IXMLDOMText *iface,
 601     BSTR* prefix)
 602 {
 603     domtext *This = impl_from_IXMLDOMText( iface );
 604     TRACE("(%p)->(%p)\n", This, prefix);
 605     return return_null_bstr( prefix );
 606 }
 607
 608 static HRESULT WINAPI domtext_get_baseName(
 609     IXMLDOMText *iface,
 610     BSTR* name)
 611 {
 612     domtext *This = impl_from_IXMLDOMText( iface );
 613     TRACE("(%p)->(%p)\n", This, name);
 614     return return_null_bstr( name );
 615 }
 616
 617 static HRESULT WINAPI domtext_transformNodeToObject(
 618     IXMLDOMText *iface,
 619     IXMLDOMNode* domNode, VARIANT var1)
 620 {
 621     domtext *This = impl_from_IXMLDOMText( iface );
 622     return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
 623 }
 624
 625 static HRESULT WINAPI domtext_get_data(
 626     IXMLDOMText *iface,
 627     BSTR *p)
 628 {
 629     domtext *This = impl_from_IXMLDOMText( iface );
 630
 631     if(!p)
 632         return E_INVALIDARG;
 633
 634     *p = bstr_from_xmlChar(This->node.node->content);
 635     return S_OK;
 636 }
 637
 638 static HRESULT WINAPI domtext_put_data(
 639     IXMLDOMText *iface,
 640     BSTR data)
 641 {
 642     domtext *This = impl_from_IXMLDOMText( iface );
 643     VARIANT val;
 644
 645     TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
 646
 647     V_VT(&val) = VT_BSTR;
 648     V_BSTR(&val) = data;
 649     return node_put_value(&This->node, &val);
 650 }
 651
 652 static HRESULT WINAPI domtext_get_length(
 653     IXMLDOMText *iface,
 654     LONG *len)
 655 {
 656     domtext *This = impl_from_IXMLDOMText( iface );
 657     HRESULT hr;
 658     BSTR data;
 659
 660     TRACE("(%p)->(%p)\n", This, len);
 661
 662     if(!len)
 663         return E_INVALIDARG;
 664
 665     hr = IXMLDOMText_get_data(iface, &data);
 666     if(hr == S_OK)
 667     {
 668         *len = SysStringLen(data);
 669         SysFreeString(data);
 670     }
 671
 672     return hr;
 673 }
 674
 675 static HRESULT WINAPI domtext_substringData(
 676     IXMLDOMText *iface,
 677     LONG offset, LONG count, BSTR *p)
 678 {
 679     domtext *This = impl_from_IXMLDOMText( iface );
 680     HRESULT hr;
 681     BSTR data;
 682
 683     TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
 684
 685     if(!p)
 686         return E_INVALIDARG;
 687
 688     *p = NULL;
 689     if(offset < 0 || count < 0)
 690         return E_INVALIDARG;
 691
 692     if(count == 0)
 693         return S_FALSE;
 694
 695     hr = IXMLDOMText_get_data(iface, &data);
 696     if(hr == S_OK)
 697     {
 698         LONG len = SysStringLen(data);
 699
 700         if(offset < len)
 701         {
 702             if(offset + count > len)
 703                 *p = SysAllocString(&data[offset]);
 704             else
 705                 *p = SysAllocStringLen(&data[offset], count);
 706         }
 707         else
 708             hr = S_FALSE;
 709
 710         SysFreeString(data);
 711     }
 712
 713     return hr;
 714 }
 715
 716 static HRESULT WINAPI domtext_appendData(
 717     IXMLDOMText *iface,
 718     BSTR p)
 719 {
 720     domtext *This = impl_from_IXMLDOMText( iface );
 721     HRESULT hr;
 722     BSTR data;
 723     LONG p_len;
 724
 725     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 726
 727     /* Nothing to do if NULL or an Empty string passed in. */
 728     if((p_len = SysStringLen(p)) == 0) return S_OK;
 729
 730     hr = IXMLDOMText_get_data(iface, &data);
 731     if(hr == S_OK)
 732     {
 733         LONG len = SysStringLen(data);
 734         BSTR str = SysAllocStringLen(NULL, p_len + len);
 735
 736         memcpy(str, data, len*sizeof(WCHAR));
 737         memcpy(&str[len], p, p_len*sizeof(WCHAR));
 738         str[len+p_len] = 0;
 739
 740         hr = IXMLDOMText_put_data(iface, str);
 741
 742         SysFreeString(str);
 743         SysFreeString(data);
 744     }
 745
 746     return hr;
 747 }
 748
 749 static HRESULT WINAPI domtext_insertData(
 750     IXMLDOMText *iface,
 751     LONG offset, BSTR p)
 752 {
 753     domtext *This = impl_from_IXMLDOMText( iface );
 754     HRESULT hr;
 755     BSTR data;
 756     LONG p_len;
 757
 758     TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
 759
 760     /* If have a NULL or empty string, don't do anything. */
 761     if((p_len = SysStringLen(p)) == 0)
 762         return S_OK;
 763
 764     if(offset < 0)
 765     {
 766         return E_INVALIDARG;
 767     }
 768
 769     hr = IXMLDOMText_get_data(iface, &data);
 770     if(hr == S_OK)
 771     {
 772         LONG len = SysStringLen(data);
 773         BSTR str;
 774
 775         if(len < offset)
 776         {
 777             SysFreeString(data);
 778             return E_INVALIDARG;
 779         }
 780
 781         str = SysAllocStringLen(NULL, len + p_len);
 782         /* start part, supplied string and end part */
 783         memcpy(str, data, offset*sizeof(WCHAR));
 784         memcpy(&str[offset], p, p_len*sizeof(WCHAR));
 785         memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
 786         str[len+p_len] = 0;
 787
 788         hr = IXMLDOMText_put_data(iface, str);
 789
 790         SysFreeString(str);
 791         SysFreeString(data);
 792     }
 793
 794     return hr;
 795 }
 796
 797 static HRESULT WINAPI domtext_deleteData(
 798     IXMLDOMText *iface,
 799     LONG offset, LONG count)
 800 {
 801     HRESULT hr;
 802     LONG len = -1;
 803     BSTR str;
 804
 805     TRACE("(%p)->(%d %d)\n", iface, offset, count);
 806
 807     hr = IXMLDOMText_get_length(iface, &len);
 808     if(hr != S_OK) return hr;
 809
 810     if((offset < 0) || (offset > len) || (count < 0))
 811         return E_INVALIDARG;
 812
 813     if(len == 0) return S_OK;
 814
 815     /* cutting start or end */
 816     if((offset == 0) || ((count + offset) >= len))
 817     {
 818         if(offset == 0)
 819             IXMLDOMText_substringData(iface, count, len - count, &str);
 820         else
 821             IXMLDOMText_substringData(iface, 0, offset, &str);
 822         hr = IXMLDOMText_put_data(iface, str);
 823     }
 824     else
 825     /* cutting from the inside */
 826     {
 827         BSTR str_end;
 828
 829         IXMLDOMText_substringData(iface, 0, offset, &str);
 830         IXMLDOMText_substringData(iface, offset + count, len - count, &str_end);
 831
 832         hr = IXMLDOMText_put_data(iface, str);
 833         if(hr == S_OK)
 834             hr = IXMLDOMText_appendData(iface, str_end);
 835
 836         SysFreeString(str_end);
 837     }
 838
 839     SysFreeString(str);
 840
 841     return hr;
 842 }
 843
 844 static HRESULT WINAPI domtext_replaceData(
 845     IXMLDOMText *iface,
 846     LONG offset, LONG count, BSTR p)
 847 {
 848     domtext *This = impl_from_IXMLDOMText( iface );
 849     HRESULT hr;
 850
 851     TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
 852
 853     hr = IXMLDOMText_deleteData(iface, offset, count);
 854
 855     if (hr == S_OK)
 856        hr = IXMLDOMText_insertData(iface, offset, p);
 857
 858     return hr;
 859 }
 860
 861 static HRESULT WINAPI domtext_splitText(
 862     IXMLDOMText *iface,
 863     LONG offset, IXMLDOMText **txtNode)
 864 {
 865     domtext *This = impl_from_IXMLDOMText( iface );
 866     LONG length = 0;
 867
 868     TRACE("(%p)->(%d %p)\n", This, offset, txtNode);
 869
 870     if (!txtNode || offset < 0) return E_INVALIDARG;
 871
 872     *txtNode = NULL;
 873
 874     IXMLDOMText_get_length(iface, &length);
 875
 876     if (offset > length) return E_INVALIDARG;
 877     if (offset == length) return S_FALSE;
 878
 879     FIXME("adjacent text nodes are not supported\n");
 880
 881     return E_NOTIMPL;
 882 }
 883
 884 static const struct IXMLDOMTextVtbl domtext_vtbl =
 885 {
 886     domtext_QueryInterface,
 887     domtext_AddRef,
 888     domtext_Release,
 889     domtext_GetTypeInfoCount,
 890     domtext_GetTypeInfo,
 891     domtext_GetIDsOfNames,
 892     domtext_Invoke,
 893     domtext_get_nodeName,
 894     domtext_get_nodeValue,
 895     domtext_put_nodeValue,
 896     domtext_get_nodeType,
 897     domtext_get_parentNode,
 898     domtext_get_childNodes,
 899     domtext_get_firstChild,
 900     domtext_get_lastChild,
 901     domtext_get_previousSibling,
 902     domtext_get_nextSibling,
 903     domtext_get_attributes,
 904     domtext_insertBefore,
 905     domtext_replaceChild,
 906     domtext_removeChild,
 907     domtext_appendChild,
 908     domtext_hasChildNodes,
 909     domtext_get_ownerDocument,
 910     domtext_cloneNode,
 911     domtext_get_nodeTypeString,
 912     domtext_get_text,
 913     domtext_put_text,
 914     domtext_get_specified,
 915     domtext_get_definition,
 916     domtext_get_nodeTypedValue,
 917     domtext_put_nodeTypedValue,
 918     domtext_get_dataType,
 919     domtext_put_dataType,
 920     domtext_get_xml,
 921     domtext_transformNode,
 922     domtext_selectNodes,
 923     domtext_selectSingleNode,
 924     domtext_get_parsed,
 925     domtext_get_namespaceURI,
 926     domtext_get_prefix,
 927     domtext_get_baseName,
 928     domtext_transformNodeToObject,
 929     domtext_get_data,
 930     domtext_put_data,
 931     domtext_get_length,
 932     domtext_substringData,
 933     domtext_appendData,
 934     domtext_insertData,
 935     domtext_deleteData,
 936     domtext_replaceData,
 937     domtext_splitText
 938 };
 939
 940 IUnknown* create_text( xmlNodePtr text )
 941 {
 942     domtext *This;
 943
 944     This = heap_alloc( sizeof *This );
 945     if ( !This )
 946         return NULL;
 947
 948     This->IXMLDOMText_iface.lpVtbl = &domtext_vtbl;
 949     This->ref = 1;
 950
 951     init_xmlnode(&This->node, text, (IXMLDOMNode*)&This->IXMLDOMText_iface, NULL);
 952
 953     return (IUnknown*)&This->IXMLDOMText_iface;
 954 }
 955
 956 #endif