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 #ifdef HAVE_LIBXML2
  28 # include <libxml/parser.h>
  29 # include <libxml/xmlerror.h>
  30 #endif
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winuser.h"
  35 #include "ole2.h"
  36 #include "msxml6.h"
  37
  38 #include "msxml_private.h"
  39
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  43
  44 #ifdef HAVE_LIBXML2
  45
  46 typedef struct _domtext
  47 {
  48     xmlnode node;
  49     IXMLDOMText IXMLDOMText_iface;
  50     LONG ref;
  51 } domtext;
  52
  53 static inline domtext *impl_from_IXMLDOMText( IXMLDOMText *iface )
  54 {
  55     return CONTAINING_RECORD(iface, domtext, IXMLDOMText_iface);
  56 }
  57
  58 static HRESULT WINAPI domtext_QueryInterface(
  59     IXMLDOMText *iface,
  60     REFIID riid,
  61     void** ppvObject )
  62 {
  63     domtext *This = impl_from_IXMLDOMText( iface );
  64     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
  65
  66     if ( IsEqualGUID( riid, &IID_IXMLDOMText ) ||
  67          IsEqualGUID( riid, &IID_IXMLDOMCharacterData) ||
  68          IsEqualGUID( riid, &IID_IXMLDOMNode ) ||
  69          IsEqualGUID( riid, &IID_IDispatch ) ||
  70          IsEqualGUID( riid, &IID_IUnknown ) )
  71     {
  72         *ppvObject = iface;
  73     }
  74     else if(node_query_interface(&This->node, riid, ppvObject))
  75     {
  76         return *ppvObject ? S_OK : E_NOINTERFACE;
  77     }
  78     else
  79     {
  80         TRACE("Unsupported interface %s\n", debugstr_guid(riid));
  81         *ppvObject = NULL;
  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     ULONG ref = InterlockedIncrement( &This->ref );
  94     TRACE("(%p)->(%d)\n", This, ref);
  95     return ref;
  96 }
  97
  98 static ULONG WINAPI domtext_Release(
  99     IXMLDOMText *iface )
 100 {
 101     domtext *This = impl_from_IXMLDOMText( iface );
 102     ULONG ref = InterlockedDecrement( &This->ref );
 103
 104     TRACE("(%p)->(%d)\n", This, ref);
 105     if ( ref == 0 )
 106     {
 107         destroy_xmlnode(&This->node);
 108         heap_free( This );
 109     }
 110
 111     return ref;
 112 }
 113
 114 static HRESULT WINAPI domtext_GetTypeInfoCount(
 115     IXMLDOMText *iface,
 116     UINT* pctinfo )
 117 {
 118     domtext *This = impl_from_IXMLDOMText( iface );
 119
 120     TRACE("(%p)->(%p)\n", This, pctinfo);
 121
 122     *pctinfo = 1;
 123
 124     return S_OK;
 125 }
 126
 127 static HRESULT WINAPI domtext_GetTypeInfo(
 128     IXMLDOMText *iface,
 129     UINT iTInfo, LCID lcid,
 130     ITypeInfo** ppTInfo )
 131 {
 132     domtext *This = impl_from_IXMLDOMText( iface );
 133     HRESULT hr;
 134
 135     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 136
 137     hr = get_typeinfo(IXMLDOMText_tid, ppTInfo);
 138
 139     return hr;
 140 }
 141
 142 static HRESULT WINAPI domtext_GetIDsOfNames(
 143     IXMLDOMText *iface,
 144     REFIID riid, LPOLESTR* rgszNames,
 145     UINT cNames, LCID lcid, DISPID* rgDispId )
 146 {
 147     domtext *This = impl_from_IXMLDOMText( iface );
 148     ITypeInfo *typeinfo;
 149     HRESULT hr;
 150
 151     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 152           lcid, rgDispId);
 153
 154     if(!rgszNames || cNames == 0 || !rgDispId)
 155         return E_INVALIDARG;
 156
 157     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 158     if(SUCCEEDED(hr))
 159     {
 160         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 161         ITypeInfo_Release(typeinfo);
 162     }
 163
 164     return hr;
 165 }
 166
 167 static HRESULT WINAPI domtext_Invoke(
 168     IXMLDOMText *iface,
 169     DISPID dispIdMember, REFIID riid, LCID lcid,
 170     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 171     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 172 {
 173     domtext *This = impl_from_IXMLDOMText( iface );
 174     ITypeInfo *typeinfo;
 175     HRESULT hr;
 176
 177     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 178           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 179
 180     hr = get_typeinfo(IXMLDOMText_tid, &typeinfo);
 181     if(SUCCEEDED(hr))
 182     {
 183         hr = ITypeInfo_Invoke(typeinfo, &This->IXMLDOMText_iface, dispIdMember, wFlags, pDispParams,
 184                 pVarResult, pExcepInfo, puArgErr);
 185         ITypeInfo_Release(typeinfo);
 186     }
 187
 188     return hr;
 189 }
 190
 191 static HRESULT WINAPI domtext_get_nodeName(
 192     IXMLDOMText *iface,
 193     BSTR* p )
 194 {
 195     domtext *This = impl_from_IXMLDOMText( iface );
 196
 197     static const WCHAR textW[] = {'#','t','e','x','t',0};
 198
 199     TRACE("(%p)->(%p)\n", This, p);
 200
 201     return return_bstr(textW, p);
 202 }
 203
 204 static HRESULT WINAPI domtext_get_nodeValue(
 205     IXMLDOMText *iface,
 206     VARIANT* value )
 207 {
 208     domtext *This = impl_from_IXMLDOMText( iface );
 209
 210     TRACE("(%p)->(%p)\n", This, value);
 211
 212     if(!value)
 213         return E_INVALIDARG;
 214
 215     V_VT(value) = VT_BSTR;
 216     V_BSTR(value) = bstr_from_xmlChar(This->node.node->content);
 217     return S_OK;
 218 }
 219
 220 static HRESULT WINAPI domtext_put_nodeValue(
 221     IXMLDOMText *iface,
 222     VARIANT value)
 223 {
 224     domtext *This = impl_from_IXMLDOMText( iface );
 225
 226     TRACE("(%p)->(%s)\n", This, debugstr_variant(&value));
 227
 228     return node_put_value(&This->node, &value);
 229 }
 230
 231 static HRESULT WINAPI domtext_get_nodeType(
 232     IXMLDOMText *iface,
 233     DOMNodeType* domNodeType )
 234 {
 235     domtext *This = impl_from_IXMLDOMText( iface );
 236
 237     TRACE("(%p)->(%p)\n", This, domNodeType);
 238
 239     *domNodeType = NODE_TEXT;
 240     return S_OK;
 241 }
 242
 243 static HRESULT WINAPI domtext_get_parentNode(
 244     IXMLDOMText *iface,
 245     IXMLDOMNode** parent )
 246 {
 247     domtext *This = impl_from_IXMLDOMText( iface );
 248
 249     TRACE("(%p)->(%p)\n", This, parent);
 250
 251     return node_get_parent(&This->node, parent);
 252 }
 253
 254 static HRESULT WINAPI domtext_get_childNodes(
 255     IXMLDOMText *iface,
 256     IXMLDOMNodeList** outList)
 257 {
 258     domtext *This = impl_from_IXMLDOMText( iface );
 259
 260     TRACE("(%p)->(%p)\n", This, outList);
 261
 262     return node_get_child_nodes(&This->node, outList);
 263 }
 264
 265 static HRESULT WINAPI domtext_get_firstChild(
 266     IXMLDOMText *iface,
 267     IXMLDOMNode** domNode)
 268 {
 269     domtext *This = impl_from_IXMLDOMText( iface );
 270
 271     TRACE("(%p)->(%p)\n", This, domNode);
 272
 273     return return_null_node(domNode);
 274 }
 275
 276 static HRESULT WINAPI domtext_get_lastChild(
 277     IXMLDOMText *iface,
 278     IXMLDOMNode** domNode)
 279 {
 280     domtext *This = impl_from_IXMLDOMText( iface );
 281
 282     TRACE("(%p)->(%p)\n", This, domNode);
 283
 284     return return_null_node(domNode);
 285 }
 286
 287 static HRESULT WINAPI domtext_get_previousSibling(
 288     IXMLDOMText *iface,
 289     IXMLDOMNode** domNode)
 290 {
 291     domtext *This = impl_from_IXMLDOMText( iface );
 292
 293     TRACE("(%p)->(%p)\n", This, domNode);
 294
 295     return node_get_previous_sibling(&This->node, domNode);
 296 }
 297
 298 static HRESULT WINAPI domtext_get_nextSibling(
 299     IXMLDOMText *iface,
 300     IXMLDOMNode** domNode)
 301 {
 302     domtext *This = impl_from_IXMLDOMText( iface );
 303
 304     TRACE("(%p)->(%p)\n", This, domNode);
 305
 306     return node_get_next_sibling(&This->node, domNode);
 307 }
 308
 309 static HRESULT WINAPI domtext_get_attributes(
 310     IXMLDOMText *iface,
 311     IXMLDOMNamedNodeMap** attributeMap)
 312 {
 313     domtext *This = impl_from_IXMLDOMText( iface );
 314
 315     TRACE("(%p)->(%p)\n", This, attributeMap);
 316
 317     return return_null_ptr((void**)attributeMap);
 318 }
 319
 320 static HRESULT WINAPI domtext_insertBefore(
 321     IXMLDOMText *iface,
 322     IXMLDOMNode* newNode, VARIANT refChild,
 323     IXMLDOMNode** outOldNode)
 324 {
 325     domtext *This = impl_from_IXMLDOMText( iface );
 326
 327     FIXME("(%p)->(%p %s %p) needs test\n", This, newNode, debugstr_variant(&refChild), outOldNode);
 328
 329     return node_insert_before(&This->node, newNode, &refChild, outOldNode);
 330 }
 331
 332 static HRESULT WINAPI domtext_replaceChild(
 333     IXMLDOMText *iface,
 334     IXMLDOMNode* newNode,
 335     IXMLDOMNode* oldNode,
 336     IXMLDOMNode** outOldNode)
 337 {
 338     domtext *This = impl_from_IXMLDOMText( iface );
 339
 340     FIXME("(%p)->(%p %p %p) needs test\n", This, newNode, oldNode, outOldNode);
 341
 342     return node_replace_child(&This->node, newNode, oldNode, outOldNode);
 343 }
 344
 345 static HRESULT WINAPI domtext_removeChild(
 346     IXMLDOMText *iface,
 347     IXMLDOMNode *child, IXMLDOMNode **oldChild)
 348 {
 349     domtext *This = impl_from_IXMLDOMText( iface );
 350     TRACE("(%p)->(%p %p)\n", This, child, oldChild);
 351     return node_remove_child(&This->node, child, oldChild);
 352 }
 353
 354 static HRESULT WINAPI domtext_appendChild(
 355     IXMLDOMText *iface,
 356     IXMLDOMNode *child, IXMLDOMNode **outChild)
 357 {
 358     domtext *This = impl_from_IXMLDOMText( iface );
 359     TRACE("(%p)->(%p %p)\n", This, child, outChild);
 360     return node_append_child(&This->node, child, outChild);
 361 }
 362
 363 static HRESULT WINAPI domtext_hasChildNodes(
 364     IXMLDOMText *iface,
 365     VARIANT_BOOL *ret)
 366 {
 367     domtext *This = impl_from_IXMLDOMText( iface );
 368     TRACE("(%p)->(%p)\n", This, ret);
 369     return node_has_childnodes(&This->node, ret);
 370 }
 371
 372 static HRESULT WINAPI domtext_get_ownerDocument(
 373     IXMLDOMText *iface,
 374     IXMLDOMDocument **doc)
 375 {
 376     domtext *This = impl_from_IXMLDOMText( iface );
 377     TRACE("(%p)->(%p)\n", This, doc);
 378     return node_get_owner_doc(&This->node, doc);
 379 }
 380
 381 static HRESULT WINAPI domtext_cloneNode(
 382     IXMLDOMText *iface,
 383     VARIANT_BOOL deep, IXMLDOMNode** outNode)
 384 {
 385     domtext *This = impl_from_IXMLDOMText( iface );
 386     TRACE("(%p)->(%d %p)\n", This, deep, outNode);
 387     return node_clone( &This->node, deep, outNode );
 388 }
 389
 390 static HRESULT WINAPI domtext_get_nodeTypeString(
 391     IXMLDOMText *iface,
 392     BSTR* p)
 393 {
 394     domtext *This = impl_from_IXMLDOMText( iface );
 395     static const WCHAR textW[] = {'t','e','x','t',0};
 396
 397     TRACE("(%p)->(%p)\n", This, p);
 398
 399     return return_bstr(textW, p);
 400 }
 401
 402 static HRESULT WINAPI domtext_get_text(
 403     IXMLDOMText *iface,
 404     BSTR* p)
 405 {
 406     domtext *This = impl_from_IXMLDOMText( iface );
 407     TRACE("(%p)->(%p)\n", This, p);
 408     return node_get_text(&This->node, p);
 409 }
 410
 411 static HRESULT WINAPI domtext_put_text(
 412     IXMLDOMText *iface,
 413     BSTR p)
 414 {
 415     domtext *This = impl_from_IXMLDOMText( iface );
 416     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 417     return node_put_text( &This->node, p );
 418 }
 419
 420 static HRESULT WINAPI domtext_get_specified(
 421     IXMLDOMText *iface,
 422     VARIANT_BOOL* isSpecified)
 423 {
 424     domtext *This = impl_from_IXMLDOMText( iface );
 425     FIXME("(%p)->(%p) stub!\n", This, isSpecified);
 426     *isSpecified = VARIANT_TRUE;
 427     return S_OK;
 428 }
 429
 430 static HRESULT WINAPI domtext_get_definition(
 431     IXMLDOMText *iface,
 432     IXMLDOMNode** definitionNode)
 433 {
 434     domtext *This = impl_from_IXMLDOMText( iface );
 435     FIXME("(%p)->(%p)\n", This, definitionNode);
 436     return E_NOTIMPL;
 437 }
 438
 439 static HRESULT WINAPI domtext_get_nodeTypedValue(
 440     IXMLDOMText *iface,
 441     VARIANT* var1)
 442 {
 443     domtext *This = impl_from_IXMLDOMText( iface );
 444     IXMLDOMNode* parent = NULL;
 445     HRESULT hr;
 446
 447     TRACE("(%p)->(%p)\n", This, var1);
 448
 449     if (!var1)
 450         return E_INVALIDARG;
 451
 452     hr = domtext_get_parentNode(iface, &parent);
 453
 454     if (hr == S_OK)
 455     {
 456         hr = IXMLDOMNode_get_nodeTypedValue(parent, var1);
 457         IXMLDOMNode_Release(parent);
 458     }
 459     else
 460     {
 461         V_VT(var1) = VT_NULL;
 462         V_BSTR(var1) = NULL;
 463         hr = S_FALSE;
 464     }
 465
 466     return hr;
 467 }
 468
 469 static HRESULT WINAPI domtext_put_nodeTypedValue(
 470     IXMLDOMText *iface,
 471     VARIANT value)
 472 {
 473     domtext *This = impl_from_IXMLDOMText( iface );
 474     IXMLDOMNode* parent = NULL;
 475     HRESULT hr;
 476
 477     TRACE("(%p)->(%s)\n", This, debugstr_variant(&value));
 478
 479     hr = domtext_get_parentNode(iface, &parent);
 480
 481     if (hr == S_OK)
 482     {
 483         hr = IXMLDOMNode_put_nodeTypedValue(parent, value);
 484         IXMLDOMNode_Release(parent);
 485     }
 486     else
 487     {
 488         hr = S_FALSE;
 489     }
 490
 491     return hr;
 492 }
 493
 494 static HRESULT WINAPI domtext_get_dataType(
 495     IXMLDOMText *iface,
 496     VARIANT* dtName)
 497 {
 498     domtext *This = impl_from_IXMLDOMText( iface );
 499     IXMLDOMNode* parent = NULL;
 500     HRESULT hr;
 501
 502     TRACE("(%p)->(%p)\n", This, dtName);
 503
 504     if (!dtName)
 505         return E_INVALIDARG;
 506
 507     hr = domtext_get_parentNode(iface, &parent);
 508
 509     if (hr == S_OK)
 510     {
 511         hr = IXMLDOMNode_get_dataType(parent, dtName);
 512         IXMLDOMNode_Release(parent);
 513     }
 514     else
 515     {
 516         V_VT(dtName) = VT_NULL;
 517         V_BSTR(dtName) = NULL;
 518         hr = S_FALSE;
 519     }
 520
 521     return hr;
 522 }
 523
 524 static HRESULT WINAPI domtext_put_dataType(
 525     IXMLDOMText *iface,
 526     BSTR dtName)
 527 {
 528     domtext *This = impl_from_IXMLDOMText( iface );
 529     IXMLDOMNode* parent = NULL;
 530     HRESULT hr;
 531
 532     TRACE("(%p)->(%p)\n", This, dtName);
 533
 534     if (!dtName)
 535         return E_INVALIDARG;
 536
 537     hr = domtext_get_parentNode(iface, &parent);
 538
 539     if (hr == S_OK)
 540     {
 541         hr = IXMLDOMNode_put_dataType(parent, dtName);
 542         IXMLDOMNode_Release(parent);
 543     }
 544     else
 545     {
 546         hr = S_FALSE;
 547     }
 548
 549     return hr;
 550 }
 551
 552 static HRESULT WINAPI domtext_get_xml(
 553     IXMLDOMText *iface,
 554     BSTR* p)
 555 {
 556     domtext *This = impl_from_IXMLDOMText( iface );
 557
 558     TRACE("(%p)->(%p)\n", This, p);
 559
 560     return node_get_xml(&This->node, FALSE, FALSE, p);
 561 }
 562
 563 static HRESULT WINAPI domtext_transformNode(
 564     IXMLDOMText *iface,
 565     IXMLDOMNode *node, BSTR *p)
 566 {
 567     domtext *This = impl_from_IXMLDOMText( iface );
 568     TRACE("(%p)->(%p %p)\n", This, node, p);
 569     return node_transform_node(&This->node, node, p);
 570 }
 571
 572 static HRESULT WINAPI domtext_selectNodes(
 573     IXMLDOMText *iface,
 574     BSTR p, IXMLDOMNodeList** outList)
 575 {
 576     domtext *This = impl_from_IXMLDOMText( iface );
 577     TRACE("(%p)->(%s %p)\n", This, debugstr_w(p), outList);
 578     return node_select_nodes(&This->node, p, outList);
 579 }
 580
 581 static HRESULT WINAPI domtext_selectSingleNode(
 582     IXMLDOMText *iface,
 583     BSTR p, IXMLDOMNode** outNode)
 584 {
 585     domtext *This = impl_from_IXMLDOMText( iface );
 586     TRACE("(%p)->(%s %p)\n", This, debugstr_w(p), outNode);
 587     return node_select_singlenode(&This->node, p, outNode);
 588 }
 589
 590 static HRESULT WINAPI domtext_get_parsed(
 591     IXMLDOMText *iface,
 592     VARIANT_BOOL* isParsed)
 593 {
 594     domtext *This = impl_from_IXMLDOMText( iface );
 595     FIXME("(%p)->(%p) stub!\n", This, isParsed);
 596     *isParsed = VARIANT_TRUE;
 597     return S_OK;
 598 }
 599
 600 static HRESULT WINAPI domtext_get_namespaceURI(
 601     IXMLDOMText *iface,
 602     BSTR* p)
 603 {
 604     domtext *This = impl_from_IXMLDOMText( iface );
 605     TRACE("(%p)->(%p)\n", This, p);
 606     return node_get_namespaceURI(&This->node, p);
 607 }
 608
 609 static HRESULT WINAPI domtext_get_prefix(
 610     IXMLDOMText *iface,
 611     BSTR* prefix)
 612 {
 613     domtext *This = impl_from_IXMLDOMText( iface );
 614     TRACE("(%p)->(%p)\n", This, prefix);
 615     return return_null_bstr( prefix );
 616 }
 617
 618 static HRESULT WINAPI domtext_get_baseName(
 619     IXMLDOMText *iface,
 620     BSTR* name)
 621 {
 622     domtext *This = impl_from_IXMLDOMText( iface );
 623     TRACE("(%p)->(%p)\n", This, name);
 624     return return_null_bstr( name );
 625 }
 626
 627 static HRESULT WINAPI domtext_transformNodeToObject(
 628     IXMLDOMText *iface,
 629     IXMLDOMNode* domNode, VARIANT var1)
 630 {
 631     domtext *This = impl_from_IXMLDOMText( iface );
 632     FIXME("(%p)->(%p %s)\n", This, domNode, debugstr_variant(&var1));
 633     return E_NOTIMPL;
 634 }
 635
 636 static HRESULT WINAPI domtext_get_data(
 637     IXMLDOMText *iface,
 638     BSTR *p)
 639 {
 640     domtext *This = impl_from_IXMLDOMText( iface );
 641
 642     if(!p)
 643         return E_INVALIDARG;
 644
 645     *p = bstr_from_xmlChar(This->node.node->content);
 646     return S_OK;
 647 }
 648
 649 static HRESULT WINAPI domtext_put_data(
 650     IXMLDOMText *iface,
 651     BSTR data)
 652 {
 653     domtext *This = impl_from_IXMLDOMText( iface );
 654     VARIANT val;
 655
 656     TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
 657
 658     V_VT(&val) = VT_BSTR;
 659     V_BSTR(&val) = data;
 660     return node_put_value(&This->node, &val);
 661 }
 662
 663 static HRESULT WINAPI domtext_get_length(
 664     IXMLDOMText *iface,
 665     LONG *len)
 666 {
 667     domtext *This = impl_from_IXMLDOMText( iface );
 668     HRESULT hr;
 669     BSTR data;
 670
 671     TRACE("(%p)->(%p)\n", This, len);
 672
 673     if(!len)
 674         return E_INVALIDARG;
 675
 676     hr = IXMLDOMText_get_data(iface, &data);
 677     if(hr == S_OK)
 678     {
 679         *len = SysStringLen(data);
 680         SysFreeString(data);
 681     }
 682
 683     return hr;
 684 }
 685
 686 static HRESULT WINAPI domtext_substringData(
 687     IXMLDOMText *iface,
 688     LONG offset, LONG count, BSTR *p)
 689 {
 690     domtext *This = impl_from_IXMLDOMText( iface );
 691     HRESULT hr;
 692     BSTR data;
 693
 694     TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
 695
 696     if(!p)
 697         return E_INVALIDARG;
 698
 699     *p = NULL;
 700     if(offset < 0 || count < 0)
 701         return E_INVALIDARG;
 702
 703     if(count == 0)
 704         return S_FALSE;
 705
 706     hr = IXMLDOMText_get_data(iface, &data);
 707     if(hr == S_OK)
 708     {
 709         LONG len = SysStringLen(data);
 710
 711         if(offset < len)
 712         {
 713             if(offset + count > len)
 714                 *p = SysAllocString(&data[offset]);
 715             else
 716                 *p = SysAllocStringLen(&data[offset], count);
 717         }
 718         else
 719             hr = S_FALSE;
 720
 721         SysFreeString(data);
 722     }
 723
 724     return hr;
 725 }
 726
 727 static HRESULT WINAPI domtext_appendData(
 728     IXMLDOMText *iface,
 729     BSTR p)
 730 {
 731     domtext *This = impl_from_IXMLDOMText( iface );
 732     HRESULT hr;
 733     BSTR data;
 734     LONG p_len;
 735
 736     TRACE("(%p)->(%s)\n", This, debugstr_w(p));
 737
 738     /* Nothing to do if NULL or an Empty string passed in. */
 739     if((p_len = SysStringLen(p)) == 0) return S_OK;
 740
 741     hr = IXMLDOMText_get_data(iface, &data);
 742     if(hr == S_OK)
 743     {
 744         LONG len = SysStringLen(data);
 745         BSTR str = SysAllocStringLen(NULL, p_len + len);
 746
 747         memcpy(str, data, len*sizeof(WCHAR));
 748         memcpy(&str[len], p, p_len*sizeof(WCHAR));
 749         str[len+p_len] = 0;
 750
 751         hr = IXMLDOMText_put_data(iface, str);
 752
 753         SysFreeString(str);
 754         SysFreeString(data);
 755     }
 756
 757     return hr;
 758 }
 759
 760 static HRESULT WINAPI domtext_insertData(
 761     IXMLDOMText *iface,
 762     LONG offset, BSTR p)
 763 {
 764     domtext *This = impl_from_IXMLDOMText( iface );
 765     HRESULT hr;
 766     BSTR data;
 767     LONG p_len;
 768
 769     TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
 770
 771     /* If have a NULL or empty string, don't do anything. */
 772     if((p_len = SysStringLen(p)) == 0)
 773         return S_OK;
 774
 775     if(offset < 0)
 776     {
 777         return E_INVALIDARG;
 778     }
 779
 780     hr = IXMLDOMText_get_data(iface, &data);
 781     if(hr == S_OK)
 782     {
 783         LONG len = SysStringLen(data);
 784         BSTR str;
 785
 786         if(len < offset)
 787         {
 788             SysFreeString(data);
 789             return E_INVALIDARG;
 790         }
 791
 792         str = SysAllocStringLen(NULL, len + p_len);
 793         /* start part, supplied string and end part */
 794         memcpy(str, data, offset*sizeof(WCHAR));
 795         memcpy(&str[offset], p, p_len*sizeof(WCHAR));
 796         memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
 797         str[len+p_len] = 0;
 798
 799         hr = IXMLDOMText_put_data(iface, str);
 800
 801         SysFreeString(str);
 802         SysFreeString(data);
 803     }
 804
 805     return hr;
 806 }
 807
 808 static HRESULT WINAPI domtext_deleteData(
 809     IXMLDOMText *iface,
 810     LONG offset, LONG count)
 811 {
 812     HRESULT hr;
 813     LONG len = -1;
 814     BSTR str;
 815
 816     TRACE("(%p)->(%d %d)\n", iface, offset, count);
 817
 818     hr = IXMLDOMText_get_length(iface, &len);
 819     if(hr != S_OK) return hr;
 820
 821     if((offset < 0) || (offset > len) || (count < 0))
 822         return E_INVALIDARG;
 823
 824     if(len == 0) return S_OK;
 825
 826     /* cutting start or end */
 827     if((offset == 0) || ((count + offset) >= len))
 828     {
 829         if(offset == 0)
 830             IXMLDOMText_substringData(iface, count, len - count, &str);
 831         else
 832             IXMLDOMText_substringData(iface, 0, offset, &str);
 833         hr = IXMLDOMText_put_data(iface, str);
 834     }
 835     else
 836     /* cutting from the inside */
 837     {
 838         BSTR str_end;
 839
 840         IXMLDOMText_substringData(iface, 0, offset, &str);
 841         IXMLDOMText_substringData(iface, offset + count, len - count, &str_end);
 842
 843         hr = IXMLDOMText_put_data(iface, str);
 844         if(hr == S_OK)
 845             hr = IXMLDOMText_appendData(iface, str_end);
 846
 847         SysFreeString(str_end);
 848     }
 849
 850     SysFreeString(str);
 851
 852     return hr;
 853 }
 854
 855 static HRESULT WINAPI domtext_replaceData(
 856     IXMLDOMText *iface,
 857     LONG offset, LONG count, BSTR p)
 858 {
 859     domtext *This = impl_from_IXMLDOMText( iface );
 860     HRESULT hr;
 861
 862     TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
 863
 864     hr = IXMLDOMText_deleteData(iface, offset, count);
 865
 866     if (hr == S_OK)
 867        hr = IXMLDOMText_insertData(iface, offset, p);
 868
 869     return hr;
 870 }
 871
 872 static HRESULT WINAPI domtext_splitText(
 873     IXMLDOMText *iface,
 874     LONG offset, IXMLDOMText **txtNode)
 875 {
 876     domtext *This = impl_from_IXMLDOMText( iface );
 877     LONG length = 0;
 878
 879     TRACE("(%p)->(%d %p)\n", This, offset, txtNode);
 880
 881     if (!txtNode || offset < 0) return E_INVALIDARG;
 882
 883     *txtNode = NULL;
 884
 885     IXMLDOMText_get_length(iface, &length);
 886
 887     if (offset > length) return E_INVALIDARG;
 888     if (offset == length) return S_FALSE;
 889
 890     FIXME("adjacent text nodes are not supported\n");
 891
 892     return E_NOTIMPL;
 893 }
 894
 895 static const struct IXMLDOMTextVtbl domtext_vtbl =
 896 {
 897     domtext_QueryInterface,
 898     domtext_AddRef,
 899     domtext_Release,
 900     domtext_GetTypeInfoCount,
 901     domtext_GetTypeInfo,
 902     domtext_GetIDsOfNames,
 903     domtext_Invoke,
 904     domtext_get_nodeName,
 905     domtext_get_nodeValue,
 906     domtext_put_nodeValue,
 907     domtext_get_nodeType,
 908     domtext_get_parentNode,
 909     domtext_get_childNodes,
 910     domtext_get_firstChild,
 911     domtext_get_lastChild,
 912     domtext_get_previousSibling,
 913     domtext_get_nextSibling,
 914     domtext_get_attributes,
 915     domtext_insertBefore,
 916     domtext_replaceChild,
 917     domtext_removeChild,
 918     domtext_appendChild,
 919     domtext_hasChildNodes,
 920     domtext_get_ownerDocument,
 921     domtext_cloneNode,
 922     domtext_get_nodeTypeString,
 923     domtext_get_text,
 924     domtext_put_text,
 925     domtext_get_specified,
 926     domtext_get_definition,
 927     domtext_get_nodeTypedValue,
 928     domtext_put_nodeTypedValue,
 929     domtext_get_dataType,
 930     domtext_put_dataType,
 931     domtext_get_xml,
 932     domtext_transformNode,
 933     domtext_selectNodes,
 934     domtext_selectSingleNode,
 935     domtext_get_parsed,
 936     domtext_get_namespaceURI,
 937     domtext_get_prefix,
 938     domtext_get_baseName,
 939     domtext_transformNodeToObject,
 940     domtext_get_data,
 941     domtext_put_data,
 942     domtext_get_length,
 943     domtext_substringData,
 944     domtext_appendData,
 945     domtext_insertData,
 946     domtext_deleteData,
 947     domtext_replaceData,
 948     domtext_splitText
 949 };
 950
 951 IUnknown* create_text( xmlNodePtr text )
 952 {
 953     domtext *This;
 954
 955     This = heap_alloc( sizeof *This );
 956     if ( !This )
 957         return NULL;
 958
 959     This->IXMLDOMText_iface.lpVtbl = &domtext_vtbl;
 960     This->ref = 1;
 961
 962     init_xmlnode(&This->node, text, (IXMLDOMNode*)&This->IXMLDOMText_iface, NULL);
 963
 964     return (IUnknown*)&This->IXMLDOMText_iface;
 965 }
 966
 967 #endif