dlls/msxml3/pi.c

   1 /*
   2  *    DOM processing instruction node implementation
   3  *
   4  * Copyright 2006 Huw Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "msxml2.h"
  31
  32 #include "msxml_private.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  37
  38 #ifdef HAVE_LIBXML2
  39
  40 typedef struct _dom_pi
  41 {
  42     const struct IXMLDOMProcessingInstructionVtbl *lpVtbl;
  43     LONG ref;
  44     IUnknown *node_unk;
  45     IXMLDOMNode *node;
  46 } dom_pi;
  47
  48 static inline dom_pi *impl_from_IXMLDOMProcessingInstruction( IXMLDOMProcessingInstruction *iface )
  49 {
  50     return (dom_pi *)((char*)iface - FIELD_OFFSET(dom_pi, lpVtbl));
  51 }
  52
  53 static HRESULT WINAPI dom_pi_QueryInterface(
  54     IXMLDOMProcessingInstruction *iface,
  55     REFIID riid,
  56     void** ppvObject )
  57 {
  58     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
  59     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  60
  61     if ( IsEqualGUID( riid, &IID_IXMLDOMProcessingInstruction ) ||
  62          IsEqualGUID( riid, &IID_IDispatch ) ||
  63          IsEqualGUID( riid, &IID_IUnknown ) )
  64     {
  65         *ppvObject = iface;
  66     }
  67     else if ( IsEqualGUID( riid, &IID_IXMLDOMNode ) )
  68     {
  69         return IUnknown_QueryInterface(This->node_unk, riid, ppvObject);
  70     }
  71     else
  72     {
  73         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
  74         return E_NOINTERFACE;
  75     }
  76
  77     IXMLDOMProcessingInstruction_AddRef( iface );
  78
  79     return S_OK;
  80 }
  81
  82 static ULONG WINAPI dom_pi_AddRef(
  83     IXMLDOMProcessingInstruction *iface )
  84 {
  85     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
  86     return InterlockedIncrement( &This->ref );
  87 }
  88
  89 static ULONG WINAPI dom_pi_Release(
  90     IXMLDOMProcessingInstruction *iface )
  91 {
  92     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
  93     ULONG ref;
  94
  95     ref = InterlockedDecrement( &This->ref );
  96     if ( ref == 0 )
  97     {
  98         IUnknown_Release( This->node_unk );
  99         HeapFree( GetProcessHeap(), 0, This );
 100     }
 101
 102     return ref;
 103 }
 104
 105 static HRESULT WINAPI dom_pi_GetTypeInfoCount(
 106     IXMLDOMProcessingInstruction *iface,
 107     UINT* pctinfo )
 108 {
 109     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 110
 111     TRACE("(%p)->(%p)\n", This, pctinfo);
 112
 113     *pctinfo = 1;
 114
 115     return S_OK;
 116 }
 117
 118 static HRESULT WINAPI dom_pi_GetTypeInfo(
 119     IXMLDOMProcessingInstruction *iface,
 120     UINT iTInfo, LCID lcid,
 121     ITypeInfo** ppTInfo )
 122 {
 123     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 124     HRESULT hr;
 125
 126     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 127
 128     hr = get_typeinfo(IXMLDOMProcessingInstruction_tid, ppTInfo);
 129
 130     return hr;
 131 }
 132
 133 static HRESULT WINAPI dom_pi_GetIDsOfNames(
 134     IXMLDOMProcessingInstruction *iface,
 135     REFIID riid, LPOLESTR* rgszNames,
 136     UINT cNames, LCID lcid, DISPID* rgDispId )
 137 {
 138     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 139     ITypeInfo *typeinfo;
 140     HRESULT hr;
 141
 142     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 143           lcid, rgDispId);
 144
 145     if(!rgszNames || cNames == 0 || !rgDispId)
 146         return E_INVALIDARG;
 147
 148     hr = get_typeinfo(IXMLDOMProcessingInstruction_tid, &typeinfo);
 149     if(SUCCEEDED(hr))
 150     {
 151         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 152         ITypeInfo_Release(typeinfo);
 153     }
 154
 155     return hr;
 156 }
 157
 158 static HRESULT WINAPI dom_pi_Invoke(
 159     IXMLDOMProcessingInstruction *iface,
 160     DISPID dispIdMember, REFIID riid, LCID lcid,
 161     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 162     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 163 {
 164     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 165     ITypeInfo *typeinfo;
 166     HRESULT hr;
 167
 168     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 169           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 170
 171     hr = get_typeinfo(IXMLDOMProcessingInstruction_tid, &typeinfo);
 172     if(SUCCEEDED(hr))
 173     {
 174        hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 175                 pVarResult, pExcepInfo, puArgErr);
 176         ITypeInfo_Release(typeinfo);
 177     }
 178
 179     return hr;
 180 }
 181
 182 static HRESULT WINAPI dom_pi_get_nodeName(
 183     IXMLDOMProcessingInstruction *iface,
 184     BSTR* p )
 185 {
 186     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 187     return IXMLDOMNode_get_nodeName( This->node, p );
 188 }
 189
 190 static HRESULT WINAPI dom_pi_get_nodeValue(
 191     IXMLDOMProcessingInstruction *iface,
 192     VARIANT* var1 )
 193 {
 194     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 195     return IXMLDOMNode_get_nodeValue( This->node, var1 );
 196 }
 197
 198 static HRESULT WINAPI dom_pi_put_nodeValue(
 199     IXMLDOMProcessingInstruction *iface,
 200     VARIANT var1 )
 201 {
 202     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 203     BSTR sTarget;
 204     static const WCHAR szXML[] = {'x','m','l',0};
 205     HRESULT hr;
 206
 207     TRACE("%p\n", This );
 208
 209     /* Cannot set data to a PI node whose target is 'xml' */
 210     hr = dom_pi_get_nodeName(iface, &sTarget);
 211     if(hr == S_OK)
 212     {
 213         if(lstrcmpW( sTarget, szXML) == 0)
 214         {
 215             SysFreeString(sTarget);
 216             return E_FAIL;
 217         }
 218
 219         SysFreeString(sTarget);
 220     }
 221
 222     return IXMLDOMNode_put_nodeValue( This->node, var1 );
 223 }
 224
 225 static HRESULT WINAPI dom_pi_get_nodeType(
 226     IXMLDOMProcessingInstruction *iface,
 227     DOMNodeType* domNodeType )
 228 {
 229     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 230     return IXMLDOMNode_get_nodeType( This->node, domNodeType );
 231 }
 232
 233 static HRESULT WINAPI dom_pi_get_parentNode(
 234     IXMLDOMProcessingInstruction *iface,
 235     IXMLDOMNode** parent )
 236 {
 237     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 238     return IXMLDOMNode_get_parentNode( This->node, parent );
 239 }
 240
 241 static HRESULT WINAPI dom_pi_get_childNodes(
 242     IXMLDOMProcessingInstruction *iface,
 243     IXMLDOMNodeList** outList)
 244 {
 245     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 246     return IXMLDOMNode_get_childNodes( This->node, outList );
 247 }
 248
 249 static HRESULT WINAPI dom_pi_get_firstChild(
 250     IXMLDOMProcessingInstruction *iface,
 251     IXMLDOMNode** domNode)
 252 {
 253     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 254     return IXMLDOMNode_get_firstChild( This->node, domNode );
 255 }
 256
 257 static HRESULT WINAPI dom_pi_get_lastChild(
 258     IXMLDOMProcessingInstruction *iface,
 259     IXMLDOMNode** domNode)
 260 {
 261     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 262     return IXMLDOMNode_get_lastChild( This->node, domNode );
 263 }
 264
 265 static HRESULT WINAPI dom_pi_get_previousSibling(
 266     IXMLDOMProcessingInstruction *iface,
 267     IXMLDOMNode** domNode)
 268 {
 269     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 270     return IXMLDOMNode_get_previousSibling( This->node, domNode );
 271 }
 272
 273 static HRESULT WINAPI dom_pi_get_nextSibling(
 274     IXMLDOMProcessingInstruction *iface,
 275     IXMLDOMNode** domNode)
 276 {
 277     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 278     return IXMLDOMNode_get_nextSibling( This->node, domNode );
 279 }
 280
 281 static HRESULT WINAPI dom_pi_get_attributes(
 282     IXMLDOMProcessingInstruction *iface,
 283     IXMLDOMNamedNodeMap** attributeMap)
 284 {
 285     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 286     return IXMLDOMNode_get_attributes( This->node, attributeMap );
 287 }
 288
 289 static HRESULT WINAPI dom_pi_insertBefore(
 290     IXMLDOMProcessingInstruction *iface,
 291     IXMLDOMNode* newNode, VARIANT var1,
 292     IXMLDOMNode** outOldNode)
 293 {
 294     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 295     return IXMLDOMNode_insertBefore( This->node, newNode, var1, outOldNode );
 296 }
 297
 298 static HRESULT WINAPI dom_pi_replaceChild(
 299     IXMLDOMProcessingInstruction *iface,
 300     IXMLDOMNode* newNode,
 301     IXMLDOMNode* oldNode,
 302     IXMLDOMNode** outOldNode)
 303 {
 304     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 305     return IXMLDOMNode_replaceChild( This->node, newNode, oldNode, outOldNode );
 306 }
 307
 308 static HRESULT WINAPI dom_pi_removeChild(
 309     IXMLDOMProcessingInstruction *iface,
 310     IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
 311 {
 312     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 313     return IXMLDOMNode_removeChild( This->node, domNode, oldNode );
 314 }
 315
 316 static HRESULT WINAPI dom_pi_appendChild(
 317     IXMLDOMProcessingInstruction *iface,
 318     IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
 319 {
 320     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 321     return IXMLDOMNode_appendChild( This->node, newNode, outNewNode );
 322 }
 323
 324 static HRESULT WINAPI dom_pi_hasChildNodes(
 325     IXMLDOMProcessingInstruction *iface,
 326     VARIANT_BOOL* pbool)
 327 {
 328     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 329     return IXMLDOMNode_hasChildNodes( This->node, pbool );
 330 }
 331
 332 static HRESULT WINAPI dom_pi_get_ownerDocument(
 333     IXMLDOMProcessingInstruction *iface,
 334     IXMLDOMDocument** domDocument)
 335 {
 336     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 337     return IXMLDOMNode_get_ownerDocument( This->node, domDocument );
 338 }
 339
 340 static HRESULT WINAPI dom_pi_cloneNode(
 341     IXMLDOMProcessingInstruction *iface,
 342     VARIANT_BOOL pbool, IXMLDOMNode** outNode)
 343 {
 344     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 345     return IXMLDOMNode_cloneNode( This->node, pbool, outNode );
 346 }
 347
 348 static HRESULT WINAPI dom_pi_get_nodeTypeString(
 349     IXMLDOMProcessingInstruction *iface,
 350     BSTR* p)
 351 {
 352     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 353     return IXMLDOMNode_get_nodeTypeString( This->node, p );
 354 }
 355
 356 static HRESULT WINAPI dom_pi_get_text(
 357     IXMLDOMProcessingInstruction *iface,
 358     BSTR* p)
 359 {
 360     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 361     return IXMLDOMNode_get_text( This->node, p );
 362 }
 363
 364 static HRESULT WINAPI dom_pi_put_text(
 365     IXMLDOMProcessingInstruction *iface,
 366     BSTR p)
 367 {
 368     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 369     return IXMLDOMNode_put_text( This->node, p );
 370 }
 371
 372 static HRESULT WINAPI dom_pi_get_specified(
 373     IXMLDOMProcessingInstruction *iface,
 374     VARIANT_BOOL* pbool)
 375 {
 376     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 377     return IXMLDOMNode_get_specified( This->node, pbool );
 378 }
 379
 380 static HRESULT WINAPI dom_pi_get_definition(
 381     IXMLDOMProcessingInstruction *iface,
 382     IXMLDOMNode** domNode)
 383 {
 384     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 385     return IXMLDOMNode_get_definition( This->node, domNode );
 386 }
 387
 388 static HRESULT WINAPI dom_pi_get_nodeTypedValue(
 389     IXMLDOMProcessingInstruction *iface,
 390     VARIANT* var1)
 391 {
 392     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 393     return IXMLDOMNode_get_nodeTypedValue( This->node, var1 );
 394 }
 395
 396 static HRESULT WINAPI dom_pi_put_nodeTypedValue(
 397     IXMLDOMProcessingInstruction *iface,
 398     VARIANT var1)
 399 {
 400     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 401     return IXMLDOMNode_put_nodeTypedValue( This->node, var1 );
 402 }
 403
 404 static HRESULT WINAPI dom_pi_get_dataType(
 405     IXMLDOMProcessingInstruction *iface,
 406     VARIANT* var1)
 407 {
 408     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 409     return IXMLDOMNode_get_dataType( This->node, var1 );
 410 }
 411
 412 static HRESULT WINAPI dom_pi_put_dataType(
 413     IXMLDOMProcessingInstruction *iface,
 414     BSTR p)
 415 {
 416     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 417     return IXMLDOMNode_put_dataType( This->node, p );
 418 }
 419
 420 static HRESULT WINAPI dom_pi_get_xml(
 421     IXMLDOMProcessingInstruction *iface,
 422     BSTR* p)
 423 {
 424     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 425     return IXMLDOMNode_get_xml( This->node, p );
 426 }
 427
 428 static HRESULT WINAPI dom_pi_transformNode(
 429     IXMLDOMProcessingInstruction *iface,
 430     IXMLDOMNode* domNode, BSTR* p)
 431 {
 432     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 433     return IXMLDOMNode_transformNode( This->node, domNode, p );
 434 }
 435
 436 static HRESULT WINAPI dom_pi_selectNodes(
 437     IXMLDOMProcessingInstruction *iface,
 438     BSTR p, IXMLDOMNodeList** outList)
 439 {
 440     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 441     return IXMLDOMNode_selectNodes( This->node, p, outList );
 442 }
 443
 444 static HRESULT WINAPI dom_pi_selectSingleNode(
 445     IXMLDOMProcessingInstruction *iface,
 446     BSTR p, IXMLDOMNode** outNode)
 447 {
 448     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 449     return IXMLDOMNode_selectSingleNode( This->node, p, outNode );
 450 }
 451
 452 static HRESULT WINAPI dom_pi_get_parsed(
 453     IXMLDOMProcessingInstruction *iface,
 454     VARIANT_BOOL* pbool)
 455 {
 456     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 457     return IXMLDOMNode_get_parsed( This->node, pbool );
 458 }
 459
 460 static HRESULT WINAPI dom_pi_get_namespaceURI(
 461     IXMLDOMProcessingInstruction *iface,
 462     BSTR* p)
 463 {
 464     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 465     return IXMLDOMNode_get_namespaceURI( This->node, p );
 466 }
 467
 468 static HRESULT WINAPI dom_pi_get_prefix(
 469     IXMLDOMProcessingInstruction *iface,
 470     BSTR* p)
 471 {
 472     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 473     return IXMLDOMNode_get_prefix( This->node, p );
 474 }
 475
 476 static HRESULT WINAPI dom_pi_get_baseName(
 477     IXMLDOMProcessingInstruction *iface,
 478     BSTR* p)
 479 {
 480     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 481     return IXMLDOMNode_get_baseName( This->node, p );
 482 }
 483
 484 static HRESULT WINAPI dom_pi_transformNodeToObject(
 485     IXMLDOMProcessingInstruction *iface,
 486     IXMLDOMNode* domNode, VARIANT var1)
 487 {
 488     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 489     return IXMLDOMNode_transformNodeToObject( This->node, domNode, var1 );
 490 }
 491
 492 static HRESULT WINAPI dom_pi_get_target(
 493     IXMLDOMProcessingInstruction *iface,
 494     BSTR *p)
 495 {
 496     /* target returns the same value as nodeName property */
 497     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 498     return IXMLDOMNode_get_nodeName( This->node, p );
 499 }
 500
 501 static HRESULT WINAPI dom_pi_get_data(
 502     IXMLDOMProcessingInstruction *iface,
 503     BSTR *p)
 504 {
 505     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 506     HRESULT hr = E_FAIL;
 507     VARIANT vRet;
 508
 509     if(!p)
 510         return E_INVALIDARG;
 511
 512     hr = IXMLDOMNode_get_nodeValue( This->node, &vRet );
 513     if(hr == S_OK)
 514     {
 515         *p = V_BSTR(&vRet);
 516     }
 517
 518     return hr;
 519 }
 520
 521 static HRESULT WINAPI dom_pi_put_data(
 522     IXMLDOMProcessingInstruction *iface,
 523     BSTR data)
 524 {
 525     dom_pi *This = impl_from_IXMLDOMProcessingInstruction( iface );
 526     HRESULT hr = E_FAIL;
 527     VARIANT val;
 528     BSTR sTarget;
 529     static const WCHAR szXML[] = {'x','m','l',0};
 530
 531     TRACE("%p %s\n", This, debugstr_w(data) );
 532
 533     /* Cannot set data to a PI node whose target is 'xml' */
 534     hr = dom_pi_get_nodeName(iface, &sTarget);
 535     if(hr == S_OK)
 536     {
 537         if(lstrcmpW( sTarget, szXML) == 0)
 538         {
 539             SysFreeString(sTarget);
 540             return E_FAIL;
 541         }
 542
 543         SysFreeString(sTarget);
 544     }
 545
 546     V_VT(&val) = VT_BSTR;
 547     V_BSTR(&val) = data;
 548
 549     hr = IXMLDOMNode_put_nodeValue( This->node, val );
 550
 551     return hr;
 552 }
 553
 554 static const struct IXMLDOMProcessingInstructionVtbl dom_pi_vtbl =
 555 {
 556     dom_pi_QueryInterface,
 557     dom_pi_AddRef,
 558     dom_pi_Release,
 559     dom_pi_GetTypeInfoCount,
 560     dom_pi_GetTypeInfo,
 561     dom_pi_GetIDsOfNames,
 562     dom_pi_Invoke,
 563     dom_pi_get_nodeName,
 564     dom_pi_get_nodeValue,
 565     dom_pi_put_nodeValue,
 566     dom_pi_get_nodeType,
 567     dom_pi_get_parentNode,
 568     dom_pi_get_childNodes,
 569     dom_pi_get_firstChild,
 570     dom_pi_get_lastChild,
 571     dom_pi_get_previousSibling,
 572     dom_pi_get_nextSibling,
 573     dom_pi_get_attributes,
 574     dom_pi_insertBefore,
 575     dom_pi_replaceChild,
 576     dom_pi_removeChild,
 577     dom_pi_appendChild,
 578     dom_pi_hasChildNodes,
 579     dom_pi_get_ownerDocument,
 580     dom_pi_cloneNode,
 581     dom_pi_get_nodeTypeString,
 582     dom_pi_get_text,
 583     dom_pi_put_text,
 584     dom_pi_get_specified,
 585     dom_pi_get_definition,
 586     dom_pi_get_nodeTypedValue,
 587     dom_pi_put_nodeTypedValue,
 588     dom_pi_get_dataType,
 589     dom_pi_put_dataType,
 590     dom_pi_get_xml,
 591     dom_pi_transformNode,
 592     dom_pi_selectNodes,
 593     dom_pi_selectSingleNode,
 594     dom_pi_get_parsed,
 595     dom_pi_get_namespaceURI,
 596     dom_pi_get_prefix,
 597     dom_pi_get_baseName,
 598     dom_pi_transformNodeToObject,
 599
 600     dom_pi_get_target,
 601     dom_pi_get_data,
 602     dom_pi_put_data
 603 };
 604
 605 IUnknown* create_pi( xmlNodePtr pi )
 606 {
 607     dom_pi *This;
 608     HRESULT hr;
 609
 610     This = HeapAlloc( GetProcessHeap(), 0, sizeof *This );
 611     if ( !This )
 612         return NULL;
 613
 614     This->lpVtbl = &dom_pi_vtbl;
 615     This->ref = 1;
 616
 617     This->node_unk = create_basic_node( pi, (IUnknown*)&This->lpVtbl );
 618     if(!This->node_unk)
 619     {
 620         HeapFree(GetProcessHeap(), 0, This);
 621         return NULL;
 622     }
 623
 624     hr = IUnknown_QueryInterface(This->node_unk, &IID_IXMLDOMNode, (LPVOID*)&This->node);
 625     if(FAILED(hr))
 626     {
 627         IUnknown_Release(This->node_unk);
 628         HeapFree( GetProcessHeap(), 0, This );
 629         return NULL;
 630     }
 631     /* The ref on This->node is actually looped back into this object, so release it */
 632     IXMLDOMNode_Release(This->node);
 633
 634     return (IUnknown*) &This->lpVtbl;
 635 }
 636
 637 #endif