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)->(%s)\n", This, debugstr_variant(&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 %s %p) needs test\n", This, newNode, debugstr_variant(&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 *child, IXMLDOMNode **oldChild)
 347 {
 348     domtext *This = impl_from_IXMLDOMText( iface );
 349     TRACE("(%p)->(%p %p)\n", This, child, oldChild);
 350     return node_remove_child(&This->node, child, oldChild);
 351 }
 352
 353 static HRESULT WINAPI domtext_appendChild(
 354     IXMLDOMText *iface,
 355     IXMLDOMNode *child, IXMLDOMNode **outChild)
 356 {
 357     domtext *This = impl_from_IXMLDOMText( iface );
 358     TRACE("(%p)->(%p %p)\n", This, child, outChild);
 359     return node_append_child(&This->node, child, outChild);
 360 }
 361
 362 static HRESULT WINAPI domtext_hasChildNodes(
 363     IXMLDOMText *iface,
 364     VARIANT_BOOL *ret)
 365 {
 366     domtext *This = impl_from_IXMLDOMText( iface );
 367     TRACE("(%p)->(%p)\n", This, ret);
 368     return node_has_childnodes(&This->node, ret);
 369 }
 370
 371 static HRESULT WINAPI domtext_get_ownerDocument(
 372     IXMLDOMText *iface,
 373     IXMLDOMDocument **doc)
 374 {
 375     domtext *This = impl_from_IXMLDOMText( iface );
 376     TRACE("(%p)->(%p)\n", This, doc);
 377     return node_get_owner_doc(&This->node, doc);
 378 }
 379
 380 static HRESULT WINAPI domtext_cloneNode(
 381     IXMLDOMText *iface,
 382     VARIANT_BOOL deep, IXMLDOMNode** outNode)
 383 {
 384     domtext *This = impl_from_IXMLDOMText( iface );
 385     TRACE("(%p)->(%d %p)\n", This, deep, outNode);
 386     return node_clone( &This->node, deep, outNode );
 387 }
 388
 389 static HRESULT WINAPI domtext_get_nodeTypeString(
 390     IXMLDOMText *iface,
 391     BSTR* p)
 392 {
 393     domtext *This = impl_from_IXMLDOMText( iface );
 394     static const WCHAR textW[] = {'t','e','x','t',0};
 395
 396     TRACE("(%p)->(%p)\n", This, p);
 397
 398     return return_bstr(textW, p);
 399 }
 400
 401 static HRESULT WINAPI domtext_get_text(
 402     IXMLDOMText *iface,
 403     BSTR* p)
 404 {
 405     domtext *This = impl_from_IXMLDOMText( iface );
 406     return IXMLDOMNode_get_text( &This->node.IXMLDOMNode_iface, p );
 407 }
 408
 409 static HRESULT WINAPI domtext_put_text(
 410     IXMLDOMText *iface,
 411     BSTR p)
 412 {
 413     domtext *This = impl_from_IXMLDOMText( iface );
 414     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 415     return node_put_text( &This->node, p );
 416 }
 417
 418 static HRESULT WINAPI domtext_get_specified(
 419     IXMLDOMText *iface,
 420     VARIANT_BOOL* isSpecified)
 421 {
 422     domtext *This = impl_from_IXMLDOMText( iface );
 423     FIXME("(%p)->(%p) stub!\n", This, isSpecified);
 424     *isSpecified = VARIANT_TRUE;
 425     return S_OK;
 426 }
 427
 428 static HRESULT WINAPI domtext_get_definition(
 429     IXMLDOMText *iface,
 430     IXMLDOMNode** definitionNode)
 431 {
 432     domtext *This = impl_from_IXMLDOMText( iface );
 433     FIXME("(%p)->(%p)\n", This, definitionNode);
 434     return E_NOTIMPL;
 435 }
 436
 437 static HRESULT WINAPI domtext_get_nodeTypedValue(
 438     IXMLDOMText *iface,
 439     VARIANT* var1)
 440 {
 441     domtext *This = impl_from_IXMLDOMText( iface );
 442     IXMLDOMNode* parent = NULL;
 443     HRESULT hr;
 444
 445     TRACE("(%p)->(%p)\n", This, var1);
 446
 447     if (!var1)
 448         return E_INVALIDARG;
 449
 450     hr = domtext_get_parentNode(iface, &parent);
 451
 452     if (hr == S_OK)
 453     {
 454         hr = IXMLDOMNode_get_nodeTypedValue(parent, var1);
 455         IXMLDOMNode_Release(parent);
 456     }
 457     else
 458     {
 459         V_VT(var1) = VT_NULL;
 460         V_BSTR(var1) = NULL;
 461         hr = S_FALSE;
 462     }
 463
 464     return hr;
 465 }
 466
 467 static HRESULT WINAPI domtext_put_nodeTypedValue(
 468     IXMLDOMText *iface,
 469     VARIANT value)
 470 {
 471     domtext *This = impl_from_IXMLDOMText( iface );
 472     IXMLDOMNode* parent = NULL;
 473     HRESULT hr;
 474
 475     TRACE("(%p)->(%s)\n", This, debugstr_variant(&value));
 476
 477     hr = domtext_get_parentNode(iface, &parent);
 478
 479     if (hr == S_OK)
 480     {
 481         hr = IXMLDOMNode_put_nodeTypedValue(parent, value);
 482         IXMLDOMNode_Release(parent);
 483     }
 484     else
 485     {
 486         hr = S_FALSE;
 487     }
 488
 489     return hr;
 490 }
 491
 492 static HRESULT WINAPI domtext_get_dataType(
 493     IXMLDOMText *iface,
 494     VARIANT* dtName)
 495 {
 496     domtext *This = impl_from_IXMLDOMText( iface );
 497     IXMLDOMNode* parent = NULL;
 498     HRESULT hr;
 499
 500     TRACE("(%p)->(%p)\n", This, dtName);
 501
 502     if (!dtName)
 503         return E_INVALIDARG;
 504
 505     hr = domtext_get_parentNode(iface, &parent);
 506
 507     if (hr == S_OK)
 508     {
 509         hr = IXMLDOMNode_get_dataType(parent, dtName);
 510         IXMLDOMNode_Release(parent);
 511     }
 512     else
 513     {
 514         V_VT(dtName) = VT_NULL;
 515         V_BSTR(dtName) = NULL;
 516         hr = S_FALSE;
 517     }
 518
 519     return hr;
 520 }
 521
 522 static HRESULT WINAPI domtext_put_dataType(
 523     IXMLDOMText *iface,
 524     BSTR dtName)
 525 {
 526     domtext *This = impl_from_IXMLDOMText( iface );
 527     IXMLDOMNode* parent = NULL;
 528     HRESULT hr;
 529
 530     TRACE("(%p)->(%p)\n", This, dtName);
 531
 532     if (!dtName)
 533         return E_INVALIDARG;
 534
 535     hr = domtext_get_parentNode(iface, &parent);
 536
 537     if (hr == S_OK)
 538     {
 539         hr = IXMLDOMNode_put_dataType(parent, dtName);
 540         IXMLDOMNode_Release(parent);
 541     }
 542     else
 543     {
 544         hr = S_FALSE;
 545     }
 546
 547     return hr;
 548 }
 549
 550 static HRESULT WINAPI domtext_get_xml(
 551     IXMLDOMText *iface,
 552     BSTR* p)
 553 {
 554     domtext *This = impl_from_IXMLDOMText( iface );
 555
 556     TRACE("(%p)->(%p)\n", This, p);
 557
 558     return node_get_xml(&This->node, FALSE, FALSE, p);
 559 }
 560
 561 static HRESULT WINAPI domtext_transformNode(
 562     IXMLDOMText *iface,
 563     IXMLDOMNode* domNode, BSTR* p)
 564 {
 565     domtext *This = impl_from_IXMLDOMText( iface );
 566     return IXMLDOMNode_transformNode( &This->node.IXMLDOMNode_iface, domNode, p );
 567 }
 568
 569 static HRESULT WINAPI domtext_selectNodes(
 570     IXMLDOMText *iface,
 571     BSTR p, IXMLDOMNodeList** outList)
 572 {
 573     domtext *This = impl_from_IXMLDOMText( iface );
 574     return IXMLDOMNode_selectNodes( &This->node.IXMLDOMNode_iface, p, outList );
 575 }
 576
 577 static HRESULT WINAPI domtext_selectSingleNode(
 578     IXMLDOMText *iface,
 579     BSTR p, IXMLDOMNode** outNode)
 580 {
 581     domtext *This = impl_from_IXMLDOMText( iface );
 582     return IXMLDOMNode_selectSingleNode( &This->node.IXMLDOMNode_iface, p, outNode );
 583 }
 584
 585 static HRESULT WINAPI domtext_get_parsed(
 586     IXMLDOMText *iface,
 587     VARIANT_BOOL* isParsed)
 588 {
 589     domtext *This = impl_from_IXMLDOMText( iface );
 590     FIXME("(%p)->(%p) stub!\n", This, isParsed);
 591     *isParsed = VARIANT_TRUE;
 592     return S_OK;
 593 }
 594
 595 static HRESULT WINAPI domtext_get_namespaceURI(
 596     IXMLDOMText *iface,
 597     BSTR* p)
 598 {
 599     domtext *This = impl_from_IXMLDOMText( iface );
 600     TRACE("(%p)->(%p)\n", This, p);
 601     return node_get_namespaceURI(&This->node, p);
 602 }
 603
 604 static HRESULT WINAPI domtext_get_prefix(
 605     IXMLDOMText *iface,
 606     BSTR* prefix)
 607 {
 608     domtext *This = impl_from_IXMLDOMText( iface );
 609     TRACE("(%p)->(%p)\n", This, prefix);
 610     return return_null_bstr( prefix );
 611 }
 612
 613 static HRESULT WINAPI domtext_get_baseName(
 614     IXMLDOMText *iface,
 615     BSTR* name)
 616 {
 617     domtext *This = impl_from_IXMLDOMText( iface );
 618     TRACE("(%p)->(%p)\n", This, name);
 619     return return_null_bstr( name );
 620 }
 621
 622 static HRESULT WINAPI domtext_transformNodeToObject(
 623     IXMLDOMText *iface,
 624     IXMLDOMNode* domNode, VARIANT var1)
 625 {
 626     domtext *This = impl_from_IXMLDOMText( iface );
 627     FIXME("(%p)->(%p %s)\n", This, domNode, debugstr_variant(&var1));
 628     return E_NOTIMPL;
 629 }
 630
 631 static HRESULT WINAPI domtext_get_data(
 632     IXMLDOMText *iface,
 633     BSTR *p)
 634 {
 635     domtext *This = impl_from_IXMLDOMText( iface );
 636
 637     if(!p)
 638         return E_INVALIDARG;
 639
 640     *p = bstr_from_xmlChar(This->node.node->content);
 641     return S_OK;
 642 }
 643
 644 static HRESULT WINAPI domtext_put_data(
 645     IXMLDOMText *iface,
 646     BSTR data)
 647 {
 648     domtext *This = impl_from_IXMLDOMText( iface );
 649     VARIANT val;
 650
 651     TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
 652
 653     V_VT(&val) = VT_BSTR;
 654     V_BSTR(&val) = data;
 655     return node_put_value(&This->node, &val);
 656 }
 657
 658 static HRESULT WINAPI domtext_get_length(
 659     IXMLDOMText *iface,
 660     LONG *len)
 661 {
 662     domtext *This = impl_from_IXMLDOMText( iface );
 663     HRESULT hr;
 664     BSTR data;
 665
 666     TRACE("(%p)->(%p)\n", This, len);
 667
 668     if(!len)
 669         return E_INVALIDARG;
 670
 671     hr = IXMLDOMText_get_data(iface, &data);
 672     if(hr == S_OK)
 673     {
 674         *len = SysStringLen(data);
 675         SysFreeString(data);
 676     }
 677
 678     return hr;
 679 }
 680
 681 static HRESULT WINAPI domtext_substringData(
 682     IXMLDOMText *iface,
 683     LONG offset, LONG count, BSTR *p)
 684 {
 685     domtext *This = impl_from_IXMLDOMText( iface );
 686     HRESULT hr;
 687     BSTR data;
 688
 689     TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
 690
 691     if(!p)
 692         return E_INVALIDARG;
 693
 694     *p = NULL;
 695     if(offset < 0 || count < 0)
 696         return E_INVALIDARG;
 697
 698     if(count == 0)
 699         return S_FALSE;
 700
 701     hr = IXMLDOMText_get_data(iface, &data);
 702     if(hr == S_OK)
 703     {
 704         LONG len = SysStringLen(data);
 705
 706         if(offset < len)
 707         {
 708             if(offset + count > len)
 709                 *p = SysAllocString(&data[offset]);
 710             else
 711                 *p = SysAllocStringLen(&data[offset], count);
 712         }
 713         else
 714             hr = S_FALSE;
 715
 716         SysFreeString(data);
 717     }
 718
 719     return hr;
 720 }
 721
 722 static HRESULT WINAPI domtext_appendData(
 723     IXMLDOMText *iface,
 724     BSTR p)
 725 {
 726     domtext *This = impl_from_IXMLDOMText( iface );
 727     HRESULT hr;
 728     BSTR data;
 729     LONG p_len;
 730
 731     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 732
 733     /* Nothing to do if NULL or an Empty string passed in. */
 734     if((p_len = SysStringLen(p)) == 0) return S_OK;
 735
 736     hr = IXMLDOMText_get_data(iface, &data);
 737     if(hr == S_OK)
 738     {
 739         LONG len = SysStringLen(data);
 740         BSTR str = SysAllocStringLen(NULL, p_len + len);
 741
 742         memcpy(str, data, len*sizeof(WCHAR));
 743         memcpy(&str[len], p, p_len*sizeof(WCHAR));
 744         str[len+p_len] = 0;
 745
 746         hr = IXMLDOMText_put_data(iface, str);
 747
 748         SysFreeString(str);
 749         SysFreeString(data);
 750     }
 751
 752     return hr;
 753 }
 754
 755 static HRESULT WINAPI domtext_insertData(
 756     IXMLDOMText *iface,
 757     LONG offset, BSTR p)
 758 {
 759     domtext *This = impl_from_IXMLDOMText( iface );
 760     HRESULT hr;
 761     BSTR data;
 762     LONG p_len;
 763
 764     TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
 765
 766     /* If have a NULL or empty string, don't do anything. */
 767     if((p_len = SysStringLen(p)) == 0)
 768         return S_OK;
 769
 770     if(offset < 0)
 771     {
 772         return E_INVALIDARG;
 773     }
 774
 775     hr = IXMLDOMText_get_data(iface, &data);
 776     if(hr == S_OK)
 777     {
 778         LONG len = SysStringLen(data);
 779         BSTR str;
 780
 781         if(len < offset)
 782         {
 783             SysFreeString(data);
 784             return E_INVALIDARG;
 785         }
 786
 787         str = SysAllocStringLen(NULL, len + p_len);
 788         /* start part, supplied string and end part */
 789         memcpy(str, data, offset*sizeof(WCHAR));
 790         memcpy(&str[offset], p, p_len*sizeof(WCHAR));
 791         memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
 792         str[len+p_len] = 0;
 793
 794         hr = IXMLDOMText_put_data(iface, str);
 795
 796         SysFreeString(str);
 797         SysFreeString(data);
 798     }
 799
 800     return hr;
 801 }
 802
 803 static HRESULT WINAPI domtext_deleteData(
 804     IXMLDOMText *iface,
 805     LONG offset, LONG count)
 806 {
 807     HRESULT hr;
 808     LONG len = -1;
 809     BSTR str;
 810
 811     TRACE("(%p)->(%d %d)\n", iface, offset, count);
 812
 813     hr = IXMLDOMText_get_length(iface, &len);
 814     if(hr != S_OK) return hr;
 815
 816     if((offset < 0) || (offset > len) || (count < 0))
 817         return E_INVALIDARG;
 818
 819     if(len == 0) return S_OK;
 820
 821     /* cutting start or end */
 822     if((offset == 0) || ((count + offset) >= len))
 823     {
 824         if(offset == 0)
 825             IXMLDOMText_substringData(iface, count, len - count, &str);
 826         else
 827             IXMLDOMText_substringData(iface, 0, offset, &str);
 828         hr = IXMLDOMText_put_data(iface, str);
 829     }
 830     else
 831     /* cutting from the inside */
 832     {
 833         BSTR str_end;
 834
 835         IXMLDOMText_substringData(iface, 0, offset, &str);
 836         IXMLDOMText_substringData(iface, offset + count, len - count, &str_end);
 837
 838         hr = IXMLDOMText_put_data(iface, str);
 839         if(hr == S_OK)
 840             hr = IXMLDOMText_appendData(iface, str_end);
 841
 842         SysFreeString(str_end);
 843     }
 844
 845     SysFreeString(str);
 846
 847     return hr;
 848 }
 849
 850 static HRESULT WINAPI domtext_replaceData(
 851     IXMLDOMText *iface,
 852     LONG offset, LONG count, BSTR p)
 853 {
 854     domtext *This = impl_from_IXMLDOMText( iface );
 855     HRESULT hr;
 856
 857     TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
 858
 859     hr = IXMLDOMText_deleteData(iface, offset, count);
 860
 861     if (hr == S_OK)
 862        hr = IXMLDOMText_insertData(iface, offset, p);
 863
 864     return hr;
 865 }
 866
 867 static HRESULT WINAPI domtext_splitText(
 868     IXMLDOMText *iface,
 869     LONG offset, IXMLDOMText **txtNode)
 870 {
 871     domtext *This = impl_from_IXMLDOMText( iface );
 872     LONG length = 0;
 873
 874     TRACE("(%p)->(%d %p)\n", This, offset, txtNode);
 875
 876     if (!txtNode || offset < 0) return E_INVALIDARG;
 877
 878     *txtNode = NULL;
 879
 880     IXMLDOMText_get_length(iface, &length);
 881
 882     if (offset > length) return E_INVALIDARG;
 883     if (offset == length) return S_FALSE;
 884
 885     FIXME("adjacent text nodes are not supported\n");
 886
 887     return E_NOTIMPL;
 888 }
 889
 890 static const struct IXMLDOMTextVtbl domtext_vtbl =
 891 {
 892     domtext_QueryInterface,
 893     domtext_AddRef,
 894     domtext_Release,
 895     domtext_GetTypeInfoCount,
 896     domtext_GetTypeInfo,
 897     domtext_GetIDsOfNames,
 898     domtext_Invoke,
 899     domtext_get_nodeName,
 900     domtext_get_nodeValue,
 901     domtext_put_nodeValue,
 902     domtext_get_nodeType,
 903     domtext_get_parentNode,
 904     domtext_get_childNodes,
 905     domtext_get_firstChild,
 906     domtext_get_lastChild,
 907     domtext_get_previousSibling,
 908     domtext_get_nextSibling,
 909     domtext_get_attributes,
 910     domtext_insertBefore,
 911     domtext_replaceChild,
 912     domtext_removeChild,
 913     domtext_appendChild,
 914     domtext_hasChildNodes,
 915     domtext_get_ownerDocument,
 916     domtext_cloneNode,
 917     domtext_get_nodeTypeString,
 918     domtext_get_text,
 919     domtext_put_text,
 920     domtext_get_specified,
 921     domtext_get_definition,
 922     domtext_get_nodeTypedValue,
 923     domtext_put_nodeTypedValue,
 924     domtext_get_dataType,
 925     domtext_put_dataType,
 926     domtext_get_xml,
 927     domtext_transformNode,
 928     domtext_selectNodes,
 929     domtext_selectSingleNode,
 930     domtext_get_parsed,
 931     domtext_get_namespaceURI,
 932     domtext_get_prefix,
 933     domtext_get_baseName,
 934     domtext_transformNodeToObject,
 935     domtext_get_data,
 936     domtext_put_data,
 937     domtext_get_length,
 938     domtext_substringData,
 939     domtext_appendData,
 940     domtext_insertData,
 941     domtext_deleteData,
 942     domtext_replaceData,
 943     domtext_splitText
 944 };
 945
 946 IUnknown* create_text( xmlNodePtr text )
 947 {
 948     domtext *This;
 949
 950     This = heap_alloc( sizeof *This );
 951     if ( !This )
 952         return NULL;
 953
 954     This->IXMLDOMText_iface.lpVtbl = &domtext_vtbl;
 955     This->ref = 1;
 956
 957     init_xmlnode(&This->node, text, (IXMLDOMNode*)&This->IXMLDOMText_iface, NULL);
 958
 959     return (IUnknown*)&This->IXMLDOMText_iface;
 960 }
 961
 962 #endif