git.oblomov.eu Git - wine/blob - dlls/msxml3/selection.c

   1 /*
   2  *    XPath/XSLPattern query result node list implementation
   3  *
   4  * Copyright 2005 Mike McCormack
   5  * Copyright 2007 Mikolaj Zalewski
   6  * Copyright 2010 Adam Martinson for CodeWeavers
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define COBJMACROS
  24
  25 #include "config.h"
  26
  27 #include <stdarg.h>
  28 #ifdef HAVE_LIBXML2
  29 # include <libxml/parser.h>
  30 # include <libxml/xmlerror.h>
  31 # include <libxml/xpath.h>
  32 # include <libxml/xpathInternals.h>
  33 #endif
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winuser.h"
  38 #include "ole2.h"
  39 #include "msxml6.h"
  40 #include "msxml2did.h"
  41
  42 #include "msxml_private.h"
  43
  44 #include "wine/debug.h"
  45
  46 /* This file implements the object returned by a XPath query. Note that this is
  47  * not the IXMLDOMNodeList returned by childNodes - it's implemented in nodelist.c.
  48  * They are different because the list returned by XPath queries:
  49  *  - is static - gives the results for the XML tree as it existed during the
  50  *    execution of the query
  51  *  - supports IXMLDOMSelection
  52  *
  53  */
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  56
  57 #ifdef HAVE_LIBXML2
  58
  59 int registerNamespaces(xmlXPathContextPtr ctxt);
  60 xmlChar* XSLPattern_to_XPath(xmlXPathContextPtr ctxt, xmlChar const* xslpat_str);
  61
  62 typedef struct _enumvariant
  63 {
  64     IEnumVARIANT IEnumVARIANT_iface;
  65     LONG ref;
  66
  67     IXMLDOMSelection *selection;
  68     BOOL own;
  69
  70     LONG pos;
  71 } enumvariant;
  72
  73 typedef struct _domselection
  74 {
  75     DispatchEx dispex;
  76     IXMLDOMSelection IXMLDOMSelection_iface;
  77     LONG ref;
  78     xmlNodePtr node;
  79     xmlXPathObjectPtr result;
  80     int resultPos;
  81     IEnumVARIANT *enumvariant;
  82 } domselection;
  83
  84 static inline domselection *impl_from_IXMLDOMSelection( IXMLDOMSelection *iface )
  85 {
  86     return CONTAINING_RECORD(iface, domselection, IXMLDOMSelection_iface);
  87 }
  88
  89 static inline enumvariant *impl_from_IEnumVARIANT( IEnumVARIANT *iface )
  90 {
  91     return CONTAINING_RECORD(iface, enumvariant, IEnumVARIANT_iface);
  92 }
  93
  94 static HRESULT create_enumvariant(IXMLDOMSelection*, BOOL, IUnknown**);
  95
  96 static HRESULT WINAPI domselection_QueryInterface(
  97     IXMLDOMSelection *iface,
  98     REFIID riid,
  99     void** ppvObject )
 100 {
 101     domselection *This = impl_from_IXMLDOMSelection( iface );
 102
 103     TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
 104
 105     if(!ppvObject)
 106         return E_INVALIDARG;
 107
 108     if ( IsEqualGUID( riid, &IID_IUnknown ) ||
 109          IsEqualGUID( riid, &IID_IXMLDOMNodeList ) ||
 110          IsEqualGUID( riid, &IID_IXMLDOMSelection ))
 111     {
 112         *ppvObject = &This->IXMLDOMSelection_iface;
 113     }
 114     else if (IsEqualGUID( riid, &IID_IEnumVARIANT ))
 115     {
 116         if (!This->enumvariant)
 117         {
 118             HRESULT hr = create_enumvariant(iface, FALSE, (IUnknown**)&This->enumvariant);
 119             if (FAILED(hr)) return hr;
 120         }
 121
 122         return IEnumVARIANT_QueryInterface(This->enumvariant, &IID_IEnumVARIANT, ppvObject);
 123     }
 124     else if (dispex_query_interface(&This->dispex, riid, ppvObject))
 125     {
 126         return *ppvObject ? S_OK : E_NOINTERFACE;
 127     }
 128     else
 129     {
 130         TRACE("interface %s not implemented\n", debugstr_guid(riid));
 131         *ppvObject = NULL;
 132         return E_NOINTERFACE;
 133     }
 134
 135     IXMLDOMSelection_AddRef( iface );
 136
 137     return S_OK;
 138 }
 139
 140 static ULONG WINAPI domselection_AddRef(
 141     IXMLDOMSelection *iface )
 142 {
 143     domselection *This = impl_from_IXMLDOMSelection( iface );
 144     ULONG ref = InterlockedIncrement( &This->ref );
 145     TRACE("(%p)->(%d)\n", This, ref);
 146     return ref;
 147 }
 148
 149 static ULONG WINAPI domselection_Release(
 150     IXMLDOMSelection *iface )
 151 {
 152     domselection *This = impl_from_IXMLDOMSelection( iface );
 153     ULONG ref = InterlockedDecrement(&This->ref);
 154
 155     TRACE("(%p)->(%d)\n", This, ref);
 156     if ( ref == 0 )
 157     {
 158         xmlXPathFreeObject(This->result);
 159         xmldoc_release(This->node->doc);
 160         if (This->enumvariant) IEnumVARIANT_Release(This->enumvariant);
 161         release_dispex(&This->dispex);
 162         heap_free(This);
 163     }
 164
 165     return ref;
 166 }
 167
 168 static HRESULT WINAPI domselection_GetTypeInfoCount(
 169     IXMLDOMSelection *iface,
 170     UINT* pctinfo )
 171 {
 172     domselection *This = impl_from_IXMLDOMSelection( iface );
 173
 174     TRACE("(%p)->(%p)\n", This, pctinfo);
 175
 176     *pctinfo = 1;
 177
 178     return S_OK;
 179 }
 180
 181 static HRESULT WINAPI domselection_GetTypeInfo(
 182     IXMLDOMSelection *iface,
 183     UINT iTInfo,
 184     LCID lcid,
 185     ITypeInfo** ppTInfo )
 186 {
 187     domselection *This = impl_from_IXMLDOMSelection( iface );
 188
 189     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 190
 191     return get_typeinfo(IXMLDOMSelection_tid, ppTInfo);
 192 }
 193
 194 static HRESULT WINAPI domselection_GetIDsOfNames(
 195     IXMLDOMSelection *iface,
 196     REFIID riid,
 197     LPOLESTR* rgszNames,
 198     UINT cNames,
 199     LCID lcid,
 200     DISPID* rgDispId )
 201 {
 202     domselection *This = impl_from_IXMLDOMSelection( iface );
 203     ITypeInfo *typeinfo;
 204     HRESULT hr;
 205
 206     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 207           lcid, rgDispId);
 208
 209     if(!rgszNames || cNames == 0 || !rgDispId)
 210         return E_INVALIDARG;
 211
 212     hr = get_typeinfo(IXMLDOMSelection_tid, &typeinfo);
 213     if(SUCCEEDED(hr))
 214     {
 215         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 216         ITypeInfo_Release(typeinfo);
 217     }
 218
 219     return hr;
 220 }
 221
 222 static HRESULT WINAPI domselection_Invoke(
 223     IXMLDOMSelection *iface,
 224     DISPID dispIdMember,
 225     REFIID riid,
 226     LCID lcid,
 227     WORD wFlags,
 228     DISPPARAMS* pDispParams,
 229     VARIANT* pVarResult,
 230     EXCEPINFO* pExcepInfo,
 231     UINT* puArgErr )
 232 {
 233     domselection *This = impl_from_IXMLDOMSelection( iface );
 234     ITypeInfo *typeinfo;
 235     HRESULT hr;
 236
 237     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 238           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 239
 240     hr = get_typeinfo(IXMLDOMSelection_tid, &typeinfo);
 241     if(SUCCEEDED(hr))
 242     {
 243         hr = ITypeInfo_Invoke(typeinfo, &This->IXMLDOMSelection_iface, dispIdMember, wFlags, pDispParams,
 244                 pVarResult, pExcepInfo, puArgErr);
 245         ITypeInfo_Release(typeinfo);
 246     }
 247
 248     return hr;
 249 }
 250
 251 static HRESULT WINAPI domselection_get_item(
 252         IXMLDOMSelection* iface,
 253         LONG index,
 254         IXMLDOMNode** listItem)
 255 {
 256     domselection *This = impl_from_IXMLDOMSelection( iface );
 257
 258     TRACE("(%p)->(%d %p)\n", This, index, listItem);
 259
 260     if(!listItem)
 261         return E_INVALIDARG;
 262
 263     *listItem = NULL;
 264
 265     if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval))
 266         return S_FALSE;
 267
 268     *listItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, index));
 269     This->resultPos = index + 1;
 270
 271     return S_OK;
 272 }
 273
 274 static HRESULT WINAPI domselection_get_length(
 275         IXMLDOMSelection* iface,
 276         LONG* listLength)
 277 {
 278     domselection *This = impl_from_IXMLDOMSelection( iface );
 279
 280     TRACE("(%p)->(%p)\n", This, listLength);
 281
 282     if(!listLength)
 283         return E_INVALIDARG;
 284
 285     *listLength = xmlXPathNodeSetGetLength(This->result->nodesetval);
 286     return S_OK;
 287 }
 288
 289 static HRESULT WINAPI domselection_nextNode(
 290         IXMLDOMSelection* iface,
 291         IXMLDOMNode** nextItem)
 292 {
 293     domselection *This = impl_from_IXMLDOMSelection( iface );
 294
 295     TRACE("(%p)->(%p)\n", This, nextItem );
 296
 297     if(!nextItem)
 298         return E_INVALIDARG;
 299
 300     *nextItem = NULL;
 301
 302     if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval))
 303         return S_FALSE;
 304
 305     *nextItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, This->resultPos));
 306     This->resultPos++;
 307     return S_OK;
 308 }
 309
 310 static HRESULT WINAPI domselection_reset(
 311         IXMLDOMSelection* iface)
 312 {
 313     domselection *This = impl_from_IXMLDOMSelection( iface );
 314
 315     TRACE("%p\n", This);
 316     This->resultPos = 0;
 317     return S_OK;
 318 }
 319
 320 static HRESULT WINAPI domselection_get__newEnum(
 321         IXMLDOMSelection* iface,
 322         IUnknown** ppUnk)
 323 {
 324     domselection *This = impl_from_IXMLDOMSelection( iface );
 325
 326     TRACE("(%p)->(%p)\n", This, ppUnk);
 327
 328     return create_enumvariant(iface, TRUE, ppUnk);
 329 }
 330
 331 static HRESULT WINAPI domselection_get_expr(
 332         IXMLDOMSelection* iface,
 333         BSTR *p)
 334 {
 335     domselection *This = impl_from_IXMLDOMSelection( iface );
 336     FIXME("(%p)->(%p)\n", This, p);
 337     return E_NOTIMPL;
 338 }
 339
 340 static HRESULT WINAPI domselection_put_expr(
 341         IXMLDOMSelection* iface,
 342         BSTR p)
 343 {
 344     domselection *This = impl_from_IXMLDOMSelection( iface );
 345     FIXME("(%p)->(%s)\n", This, debugstr_w(p));
 346     return E_NOTIMPL;
 347 }
 348
 349 static HRESULT WINAPI domselection_get_context(
 350         IXMLDOMSelection* iface,
 351         IXMLDOMNode **node)
 352 {
 353     domselection *This = impl_from_IXMLDOMSelection( iface );
 354     FIXME("(%p)->(%p)\n", This, node);
 355     return E_NOTIMPL;
 356 }
 357
 358 static HRESULT WINAPI domselection_putref_context(
 359         IXMLDOMSelection* iface,
 360         IXMLDOMNode *node)
 361 {
 362     domselection *This = impl_from_IXMLDOMSelection( iface );
 363     FIXME("(%p)->(%p)\n", This, node);
 364     return E_NOTIMPL;
 365 }
 366
 367 static HRESULT WINAPI domselection_peekNode(
 368         IXMLDOMSelection* iface,
 369         IXMLDOMNode **node)
 370 {
 371     domselection *This = impl_from_IXMLDOMSelection( iface );
 372     FIXME("(%p)->(%p)\n", This, node);
 373     return E_NOTIMPL;
 374 }
 375
 376 static HRESULT WINAPI domselection_matches(
 377         IXMLDOMSelection* iface,
 378         IXMLDOMNode *node,
 379         IXMLDOMNode **out_node)
 380 {
 381     domselection *This = impl_from_IXMLDOMSelection( iface );
 382     FIXME("(%p)->(%p %p)\n", This, node, out_node);
 383     return E_NOTIMPL;
 384 }
 385
 386 static HRESULT WINAPI domselection_removeNext(
 387         IXMLDOMSelection* iface,
 388         IXMLDOMNode **node)
 389 {
 390     domselection *This = impl_from_IXMLDOMSelection( iface );
 391     FIXME("(%p)->(%p)\n", This, node);
 392     return E_NOTIMPL;
 393 }
 394
 395 static HRESULT WINAPI domselection_removeAll(
 396         IXMLDOMSelection* iface)
 397 {
 398     domselection *This = impl_from_IXMLDOMSelection( iface );
 399     FIXME("(%p)\n", This);
 400     return E_NOTIMPL;
 401 }
 402
 403 static HRESULT WINAPI domselection_clone(
 404         IXMLDOMSelection* iface,
 405         IXMLDOMSelection **node)
 406 {
 407     domselection *This = impl_from_IXMLDOMSelection( iface );
 408     FIXME("(%p)->(%p)\n", This, node);
 409     return E_NOTIMPL;
 410 }
 411
 412 static HRESULT WINAPI domselection_getProperty(
 413         IXMLDOMSelection* iface,
 414         BSTR p,
 415         VARIANT *var)
 416 {
 417     domselection *This = impl_from_IXMLDOMSelection( iface );
 418     FIXME("(%p)->(%s %p)\n", This, debugstr_w(p), var);
 419     return E_NOTIMPL;
 420 }
 421
 422 static HRESULT WINAPI domselection_setProperty(
 423         IXMLDOMSelection* iface,
 424         BSTR p,
 425         VARIANT var)
 426 {
 427     domselection *This = impl_from_IXMLDOMSelection( iface );
 428     FIXME("(%p)->(%s %s)\n", This, debugstr_w(p), debugstr_variant(&var));
 429     return E_NOTIMPL;
 430 }
 431
 432 static const struct IXMLDOMSelectionVtbl domselection_vtbl =
 433 {
 434     domselection_QueryInterface,
 435     domselection_AddRef,
 436     domselection_Release,
 437     domselection_GetTypeInfoCount,
 438     domselection_GetTypeInfo,
 439     domselection_GetIDsOfNames,
 440     domselection_Invoke,
 441     domselection_get_item,
 442     domselection_get_length,
 443     domselection_nextNode,
 444     domselection_reset,
 445     domselection_get__newEnum,
 446     domselection_get_expr,
 447     domselection_put_expr,
 448     domselection_get_context,
 449     domselection_putref_context,
 450     domselection_peekNode,
 451     domselection_matches,
 452     domselection_removeNext,
 453     domselection_removeAll,
 454     domselection_clone,
 455     domselection_getProperty,
 456     domselection_setProperty
 457 };
 458
 459 /* IEnumVARIANT support */
 460 static HRESULT WINAPI enumvariant_QueryInterface(
 461     IEnumVARIANT *iface,
 462     REFIID riid,
 463     void** ppvObject )
 464 {
 465     enumvariant *This = impl_from_IEnumVARIANT( iface );
 466
 467     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
 468
 469     *ppvObject = NULL;
 470
 471     if ( IsEqualGUID( riid, &IID_IUnknown ) ||
 472          IsEqualGUID( riid, &IID_IEnumVARIANT ))
 473     {
 474         *ppvObject = &This->IEnumVARIANT_iface;
 475     }
 476     else
 477         return IXMLDOMSelection_QueryInterface(This->selection, riid, ppvObject);
 478
 479     IEnumVARIANT_AddRef( iface );
 480
 481     return S_OK;
 482 }
 483
 484 static ULONG WINAPI enumvariant_AddRef(IEnumVARIANT *iface )
 485 {
 486     enumvariant *This = impl_from_IEnumVARIANT( iface );
 487     ULONG ref = InterlockedIncrement( &This->ref );
 488     TRACE("(%p)->(%d)\n", This, ref);
 489     return ref;
 490 }
 491
 492 static ULONG WINAPI enumvariant_Release(IEnumVARIANT *iface )
 493 {
 494     enumvariant *This = impl_from_IEnumVARIANT( iface );
 495     ULONG ref = InterlockedDecrement(&This->ref);
 496
 497     TRACE("(%p)->(%d)\n", This, ref);
 498     if ( ref == 0 )
 499     {
 500         if (This->own) IXMLDOMSelection_Release(This->selection);
 501         heap_free(This);
 502     }
 503
 504     return ref;
 505 }
 506
 507 static HRESULT WINAPI enumvariant_Next(
 508     IEnumVARIANT *iface,
 509     ULONG celt,
 510     VARIANT *var,
 511     ULONG *fetched)
 512 {
 513     enumvariant *This = impl_from_IEnumVARIANT( iface );
 514     IXMLDOMNode *node;
 515     ULONG ret_count = 0;
 516
 517     TRACE("(%p)->(%u %p %p)\n", This, celt, var, fetched);
 518
 519     if (fetched) *fetched = 0;
 520
 521     if (celt && !var) return E_INVALIDARG;
 522
 523     for (; celt > 0; celt--, var++, This->pos++)
 524     {
 525         IDispatch *disp = NULL;
 526         HRESULT hr;
 527
 528         node = NULL;
 529         hr = IXMLDOMSelection_get_item(This->selection, This->pos, &node);
 530         if (hr != S_OK) break;
 531
 532         IXMLDOMNode_QueryInterface(node, &IID_IDispatch, (void**)&disp);
 533         IXMLDOMNode_Release(node);
 534
 535         V_VT(var) = VT_DISPATCH;
 536         V_DISPATCH(var) = disp;
 537
 538         ret_count++;
 539     }
 540
 541     if (fetched) (*fetched)++;
 542
 543     /* we need to advance one step more for some reason */
 544     if (ret_count)
 545         IXMLDOMSelection_nextNode(This->selection, &node);
 546
 547     return celt == 0 ? S_OK : S_FALSE;
 548 }
 549
 550 static HRESULT WINAPI enumvariant_Skip(
 551     IEnumVARIANT *iface,
 552     ULONG celt)
 553 {
 554     enumvariant *This = impl_from_IEnumVARIANT( iface );
 555     FIXME("(%p)->(%u): stub\n", This, celt);
 556     return E_NOTIMPL;
 557 }
 558
 559 static HRESULT WINAPI enumvariant_Reset(IEnumVARIANT *iface)
 560 {
 561     enumvariant *This = impl_from_IEnumVARIANT( iface );
 562     FIXME("(%p): stub\n", This);
 563     return E_NOTIMPL;
 564 }
 565
 566 static HRESULT WINAPI enumvariant_Clone(
 567     IEnumVARIANT *iface, IEnumVARIANT **ppenum)
 568 {
 569     enumvariant *This = impl_from_IEnumVARIANT( iface );
 570     FIXME("(%p)->(%p): stub\n", This, ppenum);
 571     return E_NOTIMPL;
 572 }
 573
 574 static const struct IEnumVARIANTVtbl EnumVARIANTVtbl =
 575 {
 576     enumvariant_QueryInterface,
 577     enumvariant_AddRef,
 578     enumvariant_Release,
 579     enumvariant_Next,
 580     enumvariant_Skip,
 581     enumvariant_Reset,
 582     enumvariant_Clone
 583 };
 584
 585 static HRESULT create_enumvariant(IXMLDOMSelection *selection, BOOL own, IUnknown **penum)
 586 {
 587     enumvariant *This;
 588
 589     This = heap_alloc(sizeof(enumvariant));
 590     if (!This) return E_OUTOFMEMORY;
 591
 592     This->IEnumVARIANT_iface.lpVtbl = &EnumVARIANTVtbl;
 593     This->ref = 0;
 594     This->selection = selection;
 595     This->own = own;
 596     This->pos = 0;
 597
 598     if (This->own)
 599         IXMLDOMSelection_AddRef(selection);
 600
 601     return IEnumVARIANT_QueryInterface(&This->IEnumVARIANT_iface, &IID_IUnknown, (void**)penum);
 602 }
 603
 604 static HRESULT domselection_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
 605 {
 606     WCHAR *ptr;
 607     int idx = 0;
 608
 609     for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
 610         idx = idx*10 + (*ptr-'0');
 611     if(*ptr)
 612         return DISP_E_UNKNOWNNAME;
 613
 614     *dispid = DISPID_DOM_COLLECTION_BASE + idx;
 615     TRACE("ret %x\n", *dispid);
 616     return S_OK;
 617 }
 618
 619 static HRESULT domselection_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 620         VARIANT *res, EXCEPINFO *ei)
 621 {
 622     domselection *This = impl_from_IXMLDOMSelection( (IXMLDOMSelection*)iface );
 623
 624     TRACE("(%p)->(%x %x %x %p %p %p)\n", This, id, lcid, flags, params, res, ei);
 625
 626     V_VT(res) = VT_DISPATCH;
 627     V_DISPATCH(res) = NULL;
 628
 629     if (id < DISPID_DOM_COLLECTION_BASE || id > DISPID_DOM_COLLECTION_MAX)
 630         return DISP_E_UNKNOWNNAME;
 631
 632     switch(flags)
 633     {
 634         case INVOKE_PROPERTYGET:
 635         {
 636             IXMLDOMNode *disp = NULL;
 637
 638             domselection_get_item(&This->IXMLDOMSelection_iface, id - DISPID_DOM_COLLECTION_BASE, &disp);
 639             V_DISPATCH(res) = (IDispatch*)disp;
 640             break;
 641         }
 642         default:
 643         {
 644             FIXME("unimplemented flags %x\n", flags);
 645             break;
 646         }
 647     }
 648
 649     TRACE("ret %p\n", V_DISPATCH(res));
 650
 651     return S_OK;
 652 }
 653
 654 static const dispex_static_data_vtbl_t domselection_dispex_vtbl = {
 655     domselection_get_dispid,
 656     domselection_invoke
 657 };
 658
 659 static const tid_t domselection_iface_tids[] = {
 660     IXMLDOMSelection_tid,
 661     0
 662 };
 663 static dispex_static_data_t domselection_dispex = {
 664     &domselection_dispex_vtbl,
 665     IXMLDOMSelection_tid,
 666     NULL,
 667     domselection_iface_tids
 668 };
 669
 670 #define XSLPATTERN_CHECK_ARGS(n) \
 671     if (nargs != n) { \
 672         FIXME("XSLPattern syntax error: Expected %i arguments, got %i\n", n, nargs); \
 673         xmlXPathSetArityError(pctx); \
 674         return; \
 675     }
 676
 677
 678 static void XSLPattern_index(xmlXPathParserContextPtr pctx, int nargs)
 679 {
 680     XSLPATTERN_CHECK_ARGS(0);
 681
 682     xmlXPathPositionFunction(pctx, 0);
 683     xmlXPathReturnNumber(pctx, xmlXPathPopNumber(pctx) - 1.0);
 684 }
 685
 686 static void XSLPattern_end(xmlXPathParserContextPtr pctx, int nargs)
 687 {
 688     double pos, last;
 689     XSLPATTERN_CHECK_ARGS(0);
 690
 691     xmlXPathPositionFunction(pctx, 0);
 692     pos = xmlXPathPopNumber(pctx);
 693     xmlXPathLastFunction(pctx, 0);
 694     last = xmlXPathPopNumber(pctx);
 695     xmlXPathReturnBoolean(pctx, pos == last);
 696 }
 697
 698 static void XSLPattern_nodeType(xmlXPathParserContextPtr pctx, int nargs)
 699 {
 700     XSLPATTERN_CHECK_ARGS(0);
 701     xmlXPathReturnNumber(pctx, pctx->context->node->type);
 702 }
 703
 704 static void XSLPattern_OP_IEq(xmlXPathParserContextPtr pctx, int nargs)
 705 {
 706     xmlChar *arg1, *arg2;
 707     XSLPATTERN_CHECK_ARGS(2);
 708
 709     arg2 = xmlXPathPopString(pctx);
 710     arg1 = xmlXPathPopString(pctx);
 711     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) == 0);
 712     xmlFree(arg1);
 713     xmlFree(arg2);
 714 }
 715
 716 static void XSLPattern_OP_INEq(xmlXPathParserContextPtr pctx, int nargs)
 717 {
 718     xmlChar *arg1, *arg2;
 719     XSLPATTERN_CHECK_ARGS(2);
 720
 721     arg2 = xmlXPathPopString(pctx);
 722     arg1 = xmlXPathPopString(pctx);
 723     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) != 0);
 724     xmlFree(arg1);
 725     xmlFree(arg2);
 726 }
 727
 728 static void XSLPattern_OP_ILt(xmlXPathParserContextPtr pctx, int nargs)
 729 {
 730     xmlChar *arg1, *arg2;
 731     XSLPATTERN_CHECK_ARGS(2);
 732
 733     arg2 = xmlXPathPopString(pctx);
 734     arg1 = xmlXPathPopString(pctx);
 735     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) < 0);
 736     xmlFree(arg1);
 737     xmlFree(arg2);
 738 }
 739
 740 static void XSLPattern_OP_ILEq(xmlXPathParserContextPtr pctx, int nargs)
 741 {
 742     xmlChar *arg1, *arg2;
 743     XSLPATTERN_CHECK_ARGS(2);
 744
 745     arg2 = xmlXPathPopString(pctx);
 746     arg1 = xmlXPathPopString(pctx);
 747     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) <= 0);
 748     xmlFree(arg1);
 749     xmlFree(arg2);
 750 }
 751
 752 static void XSLPattern_OP_IGt(xmlXPathParserContextPtr pctx, int nargs)
 753 {
 754     xmlChar *arg1, *arg2;
 755     XSLPATTERN_CHECK_ARGS(2);
 756
 757     arg2 = xmlXPathPopString(pctx);
 758     arg1 = xmlXPathPopString(pctx);
 759     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) > 0);
 760     xmlFree(arg1);
 761     xmlFree(arg2);
 762 }
 763
 764 static void XSLPattern_OP_IGEq(xmlXPathParserContextPtr pctx, int nargs)
 765 {
 766     xmlChar *arg1, *arg2;
 767     XSLPATTERN_CHECK_ARGS(2);
 768
 769     arg2 = xmlXPathPopString(pctx);
 770     arg1 = xmlXPathPopString(pctx);
 771     xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) >= 0);
 772     xmlFree(arg1);
 773     xmlFree(arg2);
 774 }
 775
 776 static void query_serror(void* ctx, xmlErrorPtr err)
 777 {
 778     LIBXML2_CALLBACK_SERROR(domselection_create, err);
 779 }
 780
 781 HRESULT create_selection(xmlNodePtr node, xmlChar* query, IXMLDOMNodeList **out)
 782 {
 783     domselection *This = heap_alloc(sizeof(domselection));
 784     xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc);
 785     HRESULT hr;
 786
 787     TRACE("(%p, %s, %p)\n", node, wine_dbgstr_a((char const*)query), out);
 788
 789     *out = NULL;
 790     if (!This || !ctxt || !query)
 791     {
 792         xmlXPathFreeContext(ctxt);
 793         heap_free(This);
 794         return E_OUTOFMEMORY;
 795     }
 796
 797     This->IXMLDOMSelection_iface.lpVtbl = &domselection_vtbl;
 798     This->ref = 1;
 799     This->resultPos = 0;
 800     This->node = node;
 801     This->enumvariant = NULL;
 802     init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSelection_iface, &domselection_dispex);
 803     xmldoc_add_ref(This->node->doc);
 804
 805     ctxt->error = query_serror;
 806     ctxt->node = node;
 807     registerNamespaces(ctxt);
 808
 809     if (is_xpathmode(This->node->doc))
 810     {
 811         xmlXPathRegisterAllFunctions(ctxt);
 812         This->result = xmlXPathEvalExpression(query, ctxt);
 813     }
 814     else
 815     {
 816         xmlChar* pattern_query = XSLPattern_to_XPath(ctxt, query);
 817
 818         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"not", xmlXPathNotFunction);
 819         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"boolean", xmlXPathBooleanFunction);
 820
 821         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"index", XSLPattern_index);
 822         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"end", XSLPattern_end);
 823         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"nodeType", XSLPattern_nodeType);
 824
 825         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IEq", XSLPattern_OP_IEq);
 826         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_INEq", XSLPattern_OP_INEq);
 827         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILt", XSLPattern_OP_ILt);
 828         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILEq", XSLPattern_OP_ILEq);
 829         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGt", XSLPattern_OP_IGt);
 830         xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGEq", XSLPattern_OP_IGEq);
 831
 832         This->result = xmlXPathEvalExpression(pattern_query, ctxt);
 833         xmlFree(pattern_query);
 834     }
 835
 836     if (!This->result || This->result->type != XPATH_NODESET)
 837     {
 838         hr = E_FAIL;
 839         goto cleanup;
 840     }
 841
 842     *out = (IXMLDOMNodeList*)&This->IXMLDOMSelection_iface;
 843     hr = S_OK;
 844     TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
 845
 846 cleanup:
 847     if (This && FAILED(hr))
 848         IXMLDOMSelection_Release( &This->IXMLDOMSelection_iface );
 849     xmlXPathFreeContext(ctxt);
 850     return hr;
 851 }
 852
 853 #endif