reactos/dll/win32/msxml3/xmldoc.c

   1 /*
   2  * XML Document implementation
   3  *
   4  * Copyright 2007 James Hawkins
   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 #include "wininet.h"
  32 #include "winreg.h"
  33 #include "shlwapi.h"
  34 #include "ocidl.h"
  35
  36 #include "wine/debug.h"
  37
  38 #include "msxml_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  41
  42 #ifdef HAVE_LIBXML2
  43
  44 /* FIXME: IXMLDocument needs to implement
  45  *   - IXMLError
  46  *   - IPersistMoniker
  47  */
  48
  49 typedef struct _xmldoc
  50 {
  51     const IXMLDocumentVtbl       *lpVtbl;
  52     const IPersistStreamInitVtbl *lpvtblIPersistStreamInit;
  53     LONG ref;
  54     HRESULT error;
  55
  56     /* IXMLDocument */
  57     xmlDocPtr xmldoc;
  58
  59     /* IPersistStream */
  60     IStream *stream;
  61 } xmldoc;
  62
  63 static inline xmldoc *impl_from_IXMLDocument(IXMLDocument *iface)
  64 {
  65     return (xmldoc *)((char*)iface - FIELD_OFFSET(xmldoc, lpVtbl));
  66 }
  67
  68 static inline xmldoc *impl_from_IPersistStreamInit(IPersistStreamInit *iface)
  69 {
  70     return (xmldoc *)((char*)iface - FIELD_OFFSET(xmldoc, lpvtblIPersistStreamInit));
  71 }
  72
  73 static HRESULT WINAPI xmldoc_QueryInterface(IXMLDocument *iface, REFIID riid, void** ppvObject)
  74 {
  75     xmldoc *This = impl_from_IXMLDocument(iface);
  76
  77     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  78
  79     if (IsEqualGUID(riid, &IID_IUnknown) ||
  80         IsEqualGUID(riid, &IID_IXMLDocument) ||
  81         IsEqualGUID(riid, &IID_IXMLDOMDocument))
  82     {
  83         *ppvObject = iface;
  84     }
  85     else if (IsEqualGUID(&IID_IPersistStreamInit, riid) ||
  86              IsEqualGUID(&IID_IPersistStream, riid))
  87     {
  88         *ppvObject = &(This->lpvtblIPersistStreamInit);
  89     }
  90     else
  91     {
  92         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  93         return E_NOINTERFACE;
  94     }
  95
  96     IXMLDocument_AddRef(iface);
  97
  98     return S_OK;
  99 }
 100
 101 static ULONG WINAPI xmldoc_AddRef(IXMLDocument *iface)
 102 {
 103     xmldoc *This = impl_from_IXMLDocument(iface);
 104     TRACE("%p\n", This);
 105     return InterlockedIncrement(&This->ref);
 106 }
 107
 108 static ULONG WINAPI xmldoc_Release(IXMLDocument *iface)
 109 {
 110     xmldoc *This = impl_from_IXMLDocument(iface);
 111     LONG ref;
 112
 113     TRACE("%p\n", This);
 114
 115     ref = InterlockedDecrement(&This->ref);
 116     if (ref == 0)
 117     {
 118         xmlFreeDoc(This->xmldoc);
 119         if (This->stream) IStream_Release(This->stream);
 120         heap_free(This);
 121     }
 122
 123     return ref;
 124 }
 125
 126 static HRESULT WINAPI xmldoc_GetTypeInfoCount(IXMLDocument *iface, UINT* pctinfo)
 127 {
 128     xmldoc *This = impl_from_IXMLDocument(iface);
 129
 130     TRACE("(%p)->(%p)\n", This, pctinfo);
 131
 132     *pctinfo = 1;
 133
 134     return S_OK;
 135 }
 136
 137 static HRESULT WINAPI xmldoc_GetTypeInfo(IXMLDocument *iface, UINT iTInfo,
 138                                          LCID lcid, ITypeInfo** ppTInfo)
 139 {
 140     xmldoc *This = impl_from_IXMLDocument(iface);
 141     HRESULT hr;
 142
 143     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 144
 145     hr = get_typeinfo(IXMLDocument_tid, ppTInfo);
 146
 147     return hr;
 148 }
 149
 150 static HRESULT WINAPI xmldoc_GetIDsOfNames(IXMLDocument *iface, REFIID riid,
 151                                            LPOLESTR* rgszNames, UINT cNames,
 152                                            LCID lcid, DISPID* rgDispId)
 153 {
 154     xmldoc *This = impl_from_IXMLDocument(iface);
 155     ITypeInfo *typeinfo;
 156     HRESULT hr;
 157
 158     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 159           lcid, rgDispId);
 160
 161     if(!rgszNames || cNames == 0 || !rgDispId)
 162         return E_INVALIDARG;
 163
 164     hr = get_typeinfo(IXMLDocument_tid, &typeinfo);
 165     if(SUCCEEDED(hr))
 166     {
 167         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 168         ITypeInfo_Release(typeinfo);
 169     }
 170
 171     return hr;
 172 }
 173
 174 static HRESULT WINAPI xmldoc_Invoke(IXMLDocument *iface, DISPID dispIdMember,
 175                                     REFIID riid, LCID lcid, WORD wFlags,
 176                                     DISPPARAMS* pDispParams, VARIANT* pVarResult,
 177                                     EXCEPINFO* pExcepInfo, UINT* puArgErr)
 178 {
 179     xmldoc *This = impl_from_IXMLDocument(iface);
 180     ITypeInfo *typeinfo;
 181     HRESULT hr;
 182
 183     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 184           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 185
 186     hr = get_typeinfo(IXMLDocument_tid, &typeinfo);
 187     if(SUCCEEDED(hr))
 188     {
 189         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 190                 pVarResult, pExcepInfo, puArgErr);
 191         ITypeInfo_Release(typeinfo);
 192     }
 193
 194     return hr;
 195 }
 196
 197 static HRESULT WINAPI xmldoc_get_root(IXMLDocument *iface, IXMLElement **p)
 198 {
 199     xmldoc *This = impl_from_IXMLDocument(iface);
 200     xmlNodePtr root;
 201
 202     TRACE("(%p, %p)\n", iface, p);
 203
 204     if (!p)
 205         return E_INVALIDARG;
 206
 207     *p = NULL;
 208
 209     if (!(root = xmlDocGetRootElement(This->xmldoc)))
 210         return E_FAIL;
 211
 212     return XMLElement_create((IUnknown *)This, root, (LPVOID *)p, FALSE);
 213 }
 214
 215 static HRESULT WINAPI xmldoc_get_fileSize(IXMLDocument *iface, BSTR *p)
 216 {
 217     FIXME("(%p, %p): stub\n", iface, p);
 218     return E_NOTIMPL;
 219 }
 220
 221 static HRESULT WINAPI xmldoc_put_fileModifiedDate(IXMLDocument *iface, BSTR *p)
 222 {
 223     FIXME("(%p, %p): stub\n", iface, p);
 224     return E_NOTIMPL;
 225 }
 226
 227 static HRESULT WINAPI xmldoc_get_fileUpdatedDate(IXMLDocument *iface, BSTR *p)
 228 {
 229     FIXME("(%p, %p): stub\n", iface, p);
 230     return E_NOTIMPL;
 231 }
 232
 233 static HRESULT WINAPI xmldoc_get_URL(IXMLDocument *iface, BSTR *p)
 234 {
 235     FIXME("(%p, %p): stub\n", iface, p);
 236     return E_NOTIMPL;
 237 }
 238
 239 typedef struct {
 240     const struct IBindStatusCallbackVtbl *lpVtbl;
 241 } bsc;
 242
 243 static HRESULT WINAPI bsc_QueryInterface(
 244     IBindStatusCallback *iface,
 245     REFIID riid,
 246     LPVOID *ppobj )
 247 {
 248     if (IsEqualGUID(riid, &IID_IUnknown) ||
 249         IsEqualGUID(riid, &IID_IBindStatusCallback))
 250     {
 251         IBindStatusCallback_AddRef( iface );
 252         *ppobj = iface;
 253         return S_OK;
 254     }
 255
 256     FIXME("interface %s not implemented\n", debugstr_guid(riid));
 257     return E_NOINTERFACE;
 258 }
 259
 260 static ULONG WINAPI bsc_AddRef(
 261     IBindStatusCallback *iface )
 262 {
 263     return 2;
 264 }
 265
 266 static ULONG WINAPI bsc_Release(
 267     IBindStatusCallback *iface )
 268 {
 269     return 1;
 270 }
 271
 272 static HRESULT WINAPI bsc_OnStartBinding(
 273         IBindStatusCallback* iface,
 274         DWORD dwReserved,
 275         IBinding* pib)
 276 {
 277     return S_OK;
 278 }
 279
 280 static HRESULT WINAPI bsc_GetPriority(
 281         IBindStatusCallback* iface,
 282         LONG* pnPriority)
 283 {
 284     return S_OK;
 285 }
 286
 287 static HRESULT WINAPI bsc_OnLowResource(
 288         IBindStatusCallback* iface,
 289         DWORD reserved)
 290 {
 291     return S_OK;
 292 }
 293
 294 static HRESULT WINAPI bsc_OnProgress(
 295         IBindStatusCallback* iface,
 296         ULONG ulProgress,
 297         ULONG ulProgressMax,
 298         ULONG ulStatusCode,
 299         LPCWSTR szStatusText)
 300 {
 301     return S_OK;
 302 }
 303
 304 static HRESULT WINAPI bsc_OnStopBinding(
 305         IBindStatusCallback* iface,
 306         HRESULT hresult,
 307         LPCWSTR szError)
 308 {
 309     return S_OK;
 310 }
 311
 312 static HRESULT WINAPI bsc_GetBindInfo(
 313         IBindStatusCallback* iface,
 314         DWORD* grfBINDF,
 315         BINDINFO* pbindinfo)
 316 {
 317     *grfBINDF = BINDF_RESYNCHRONIZE;
 318
 319     return S_OK;
 320 }
 321
 322 static HRESULT WINAPI bsc_OnDataAvailable(
 323         IBindStatusCallback* iface,
 324         DWORD grfBSCF,
 325         DWORD dwSize,
 326         FORMATETC* pformatetc,
 327         STGMEDIUM* pstgmed)
 328 {
 329     return S_OK;
 330 }
 331
 332 static HRESULT WINAPI bsc_OnObjectAvailable(
 333         IBindStatusCallback* iface,
 334         REFIID riid,
 335         IUnknown* punk)
 336 {
 337     return S_OK;
 338 }
 339
 340 static const struct IBindStatusCallbackVtbl bsc_vtbl =
 341 {
 342     bsc_QueryInterface,
 343     bsc_AddRef,
 344     bsc_Release,
 345     bsc_OnStartBinding,
 346     bsc_GetPriority,
 347     bsc_OnLowResource,
 348     bsc_OnProgress,
 349     bsc_OnStopBinding,
 350     bsc_GetBindInfo,
 351     bsc_OnDataAvailable,
 352     bsc_OnObjectAvailable
 353 };
 354
 355 static bsc xmldoc_bsc = { &bsc_vtbl };
 356
 357 static HRESULT WINAPI xmldoc_put_URL(IXMLDocument *iface, BSTR p)
 358 {
 359     WCHAR url[INTERNET_MAX_URL_LENGTH];
 360     IStream *stream;
 361     IBindCtx *bctx;
 362     IMoniker *moniker;
 363     IPersistStreamInit *persist;
 364     HRESULT hr;
 365
 366     TRACE("(%p, %s)\n", iface, debugstr_w(p));
 367
 368     if (!p)
 369         return E_INVALIDARG;
 370
 371     if (!PathIsURLW(p))
 372     {
 373         WCHAR fullpath[MAX_PATH];
 374         DWORD needed = sizeof(url) / sizeof(WCHAR);
 375
 376         if (!PathSearchAndQualifyW(p, fullpath, sizeof(fullpath) / sizeof(WCHAR)))
 377         {
 378             ERR("can't find path\n");
 379             return E_FAIL;
 380         }
 381
 382         if (FAILED(UrlCreateFromPathW(fullpath, url, &needed, 0)))
 383         {
 384             ERR("can't create url from path\n");
 385             return E_FAIL;
 386         }
 387
 388         p = url;
 389     }
 390
 391     hr = CreateURLMoniker(NULL, p, &moniker);
 392     if (FAILED(hr))
 393         return hr;
 394
 395     CreateAsyncBindCtx(0, (IBindStatusCallback *)&xmldoc_bsc, 0, &bctx);
 396
 397     hr = IMoniker_BindToStorage(moniker, bctx, NULL, &IID_IStream, (LPVOID *)&stream);
 398     IBindCtx_Release(bctx);
 399     IMoniker_Release(moniker);
 400     if (FAILED(hr))
 401         return hr;
 402
 403     hr = IXMLDocument_QueryInterface(iface, &IID_IPersistStreamInit, (LPVOID *)&persist);
 404     if (FAILED(hr))
 405     {
 406         IStream_Release(stream);
 407         return hr;
 408     }
 409
 410     hr = IPersistStreamInit_Load(persist, stream);
 411     IPersistStreamInit_Release(persist);
 412     IStream_Release(stream);
 413
 414     return hr;
 415 }
 416
 417 static HRESULT WINAPI xmldoc_get_mimeType(IXMLDocument *iface, BSTR *p)
 418 {
 419     FIXME("(%p, %p): stub\n", iface, p);
 420     return E_NOTIMPL;
 421 }
 422
 423 static HRESULT WINAPI xmldoc_get_readyState(IXMLDocument *iface, LONG *p)
 424 {
 425     FIXME("(%p, %p): stub\n", iface, p);
 426     return E_NOTIMPL;
 427 }
 428
 429 static HRESULT WINAPI xmldoc_get_charset(IXMLDocument *iface, BSTR *p)
 430 {
 431     FIXME("(%p, %p): stub\n", iface, p);
 432     return E_NOTIMPL;
 433 }
 434
 435 static HRESULT WINAPI xmldoc_put_charset(IXMLDocument *iface, BSTR p)
 436 {
 437     FIXME("(%p, %p): stub\n", iface, p);
 438     return E_NOTIMPL;
 439 }
 440
 441 static HRESULT WINAPI xmldoc_get_version(IXMLDocument *iface, BSTR *p)
 442 {
 443     xmldoc *This = impl_from_IXMLDocument(iface);
 444
 445     TRACE("(%p, %p)\n", This, p);
 446
 447     if (!p) return E_INVALIDARG;
 448     *p = bstr_from_xmlChar(This->xmldoc->version);
 449
 450     return S_OK;
 451 }
 452
 453 static HRESULT WINAPI xmldoc_get_doctype(IXMLDocument *iface, BSTR *p)
 454 {
 455     xmldoc *This = impl_from_IXMLDocument(iface);
 456     xmlDtd *dtd;
 457
 458     TRACE("(%p, %p)\n", This, p);
 459
 460     if (!p) return E_INVALIDARG;
 461
 462     dtd = xmlGetIntSubset(This->xmldoc);
 463     if (!dtd) return S_FALSE;
 464
 465     *p = bstr_from_xmlChar(dtd->name);
 466     CharUpperBuffW(*p, SysStringLen(*p));
 467
 468     return S_OK;
 469 }
 470
 471 static HRESULT WINAPI xmldoc_get_dtdURl(IXMLDocument *iface, BSTR *p)
 472 {
 473     FIXME("(%p, %p): stub\n", iface, p);
 474     return E_NOTIMPL;
 475 }
 476
 477 static xmlElementType type_msxml_to_libxml(LONG type)
 478 {
 479     switch (type)
 480     {
 481         case XMLELEMTYPE_ELEMENT:
 482             return XML_ELEMENT_NODE;
 483         case XMLELEMTYPE_TEXT:
 484             return XML_TEXT_NODE;
 485         case XMLELEMTYPE_COMMENT:
 486             return XML_COMMENT_NODE;
 487         case XMLELEMTYPE_DOCUMENT:
 488             return XML_DOCUMENT_NODE;
 489         case XMLELEMTYPE_DTD:
 490             return XML_DTD_NODE;
 491         case XMLELEMTYPE_PI:
 492             return XML_PI_NODE;
 493         default:
 494             break;
 495     }
 496
 497     return -1; /* FIXME: what is OTHER in msxml? */
 498 }
 499
 500 static HRESULT WINAPI xmldoc_createElement(IXMLDocument *iface, VARIANT vType,
 501                                            VARIANT var1, IXMLElement **ppElem)
 502 {
 503     xmlNodePtr node;
 504     static const xmlChar empty[] = "\0";
 505
 506     TRACE("(%p, %p)\n", iface, ppElem);
 507
 508     if (!ppElem)
 509         return E_INVALIDARG;
 510
 511     *ppElem = NULL;
 512
 513     if (V_VT(&vType) != VT_I4)
 514         return E_INVALIDARG;
 515
 516     if(type_msxml_to_libxml(V_I4(&vType)) == -1)
 517         return E_NOTIMPL;
 518
 519     node = xmlNewNode(NULL, empty);
 520     node->type = type_msxml_to_libxml(V_I4(&vType));
 521
 522     /* FIXME: create xmlNodePtr based on vType and var1 */
 523     return XMLElement_create((IUnknown *)iface, node, (LPVOID *)ppElem, TRUE);
 524 }
 525
 526 static const struct IXMLDocumentVtbl xmldoc_vtbl =
 527 {
 528     xmldoc_QueryInterface,
 529     xmldoc_AddRef,
 530     xmldoc_Release,
 531     xmldoc_GetTypeInfoCount,
 532     xmldoc_GetTypeInfo,
 533     xmldoc_GetIDsOfNames,
 534     xmldoc_Invoke,
 535     xmldoc_get_root,
 536     xmldoc_get_fileSize,
 537     xmldoc_put_fileModifiedDate,
 538     xmldoc_get_fileUpdatedDate,
 539     xmldoc_get_URL,
 540     xmldoc_put_URL,
 541     xmldoc_get_mimeType,
 542     xmldoc_get_readyState,
 543     xmldoc_get_charset,
 544     xmldoc_put_charset,
 545     xmldoc_get_version,
 546     xmldoc_get_doctype,
 547     xmldoc_get_dtdURl,
 548     xmldoc_createElement
 549 };
 550
 551 /************************************************************************
 552  * xmldoc implementation of IPersistStreamInit.
 553  */
 554 static HRESULT WINAPI xmldoc_IPersistStreamInit_QueryInterface(
 555     IPersistStreamInit *iface, REFIID riid, LPVOID *ppvObj)
 556 {
 557     xmldoc *this = impl_from_IPersistStreamInit(iface);
 558     return IXMLDocument_QueryInterface((IXMLDocument *)this, riid, ppvObj);
 559 }
 560
 561 static ULONG WINAPI xmldoc_IPersistStreamInit_AddRef(
 562     IPersistStreamInit *iface)
 563 {
 564     xmldoc *this = impl_from_IPersistStreamInit(iface);
 565     return IXMLDocument_AddRef((IXMLDocument *)this);
 566 }
 567
 568 static ULONG WINAPI xmldoc_IPersistStreamInit_Release(
 569     IPersistStreamInit *iface)
 570 {
 571     xmldoc *this = impl_from_IPersistStreamInit(iface);
 572     return IXMLDocument_Release((IXMLDocument *)this);
 573 }
 574
 575 static HRESULT WINAPI xmldoc_IPersistStreamInit_GetClassID(
 576     IPersistStreamInit *iface, CLSID *classid)
 577 {
 578     xmldoc *this = impl_from_IPersistStreamInit(iface);
 579     TRACE("(%p,%p)\n", this, classid);
 580
 581     if (!classid) return E_POINTER;
 582
 583     *classid = CLSID_XMLDocument;
 584     return S_OK;
 585 }
 586
 587 static HRESULT WINAPI xmldoc_IPersistStreamInit_IsDirty(
 588     IPersistStreamInit *iface)
 589 {
 590     FIXME("(%p): stub!\n", iface);
 591     return E_NOTIMPL;
 592 }
 593
 594 xmlDocPtr parse_xml(char *ptr, int len)
 595 {
 596 #ifdef HAVE_XMLREADMEMORY
 597     return xmlReadMemory(ptr, len, NULL, NULL,
 598                          XML_PARSE_NOERROR | XML_PARSE_NOWARNING | XML_PARSE_NOBLANKS);
 599 #else
 600     return xmlParseMemory(ptr, len);
 601 #endif
 602 }
 603
 604 static HRESULT WINAPI xmldoc_IPersistStreamInit_Load(
 605     IPersistStreamInit *iface, LPSTREAM pStm)
 606 {
 607     xmldoc *This = impl_from_IPersistStreamInit(iface);
 608     HRESULT hr;
 609     HGLOBAL hglobal;
 610     DWORD read, written, len;
 611     BYTE buf[4096];
 612     char *ptr;
 613
 614     TRACE("(%p, %p)\n", iface, pStm);
 615
 616     if (!pStm)
 617         return E_INVALIDARG;
 618
 619     /* release previously allocated stream */
 620     if (This->stream) IStream_Release(This->stream);
 621     hr = CreateStreamOnHGlobal(NULL, TRUE, &This->stream);
 622     if (FAILED(hr))
 623         return hr;
 624
 625     do
 626     {
 627         IStream_Read(pStm, buf, sizeof(buf), &read);
 628         hr = IStream_Write(This->stream, buf, read, &written);
 629     } while(SUCCEEDED(hr) && written != 0 && read != 0);
 630
 631     if (FAILED(hr))
 632     {
 633         ERR("Failed to copy stream\n");
 634         return hr;
 635     }
 636
 637     hr = GetHGlobalFromStream(This->stream, &hglobal);
 638     if (FAILED(hr))
 639         return hr;
 640
 641     len = GlobalSize(hglobal);
 642     ptr = GlobalLock(hglobal);
 643     if (len != 0)
 644     {
 645         xmlFreeDoc(This->xmldoc);
 646         This->xmldoc = parse_xml(ptr, len);
 647     }
 648     GlobalUnlock(hglobal);
 649
 650     if (!This->xmldoc)
 651     {
 652         ERR("Failed to parse xml\n");
 653         return E_FAIL;
 654     }
 655
 656     return S_OK;
 657 }
 658
 659 static HRESULT WINAPI xmldoc_IPersistStreamInit_Save(
 660     IPersistStreamInit *iface, LPSTREAM pStm, BOOL fClearDirty)
 661 {
 662     FIXME("(%p, %p, %d): stub!\n", iface, pStm, fClearDirty);
 663     return E_NOTIMPL;
 664 }
 665
 666 static HRESULT WINAPI xmldoc_IPersistStreamInit_GetSizeMax(
 667     IPersistStreamInit *iface, ULARGE_INTEGER *pcbSize)
 668 {
 669     xmldoc *This = impl_from_IPersistStreamInit(iface);
 670     TRACE("(%p, %p)\n", This, pcbSize);
 671     return E_NOTIMPL;
 672 }
 673
 674 static HRESULT WINAPI xmldoc_IPersistStreamInit_InitNew(
 675     IPersistStreamInit *iface)
 676 {
 677     xmldoc *This = impl_from_IPersistStreamInit(iface);
 678     TRACE("(%p)\n", This);
 679     return S_OK;
 680 }
 681
 682 static const IPersistStreamInitVtbl xmldoc_IPersistStreamInit_VTable =
 683 {
 684   xmldoc_IPersistStreamInit_QueryInterface,
 685   xmldoc_IPersistStreamInit_AddRef,
 686   xmldoc_IPersistStreamInit_Release,
 687   xmldoc_IPersistStreamInit_GetClassID,
 688   xmldoc_IPersistStreamInit_IsDirty,
 689   xmldoc_IPersistStreamInit_Load,
 690   xmldoc_IPersistStreamInit_Save,
 691   xmldoc_IPersistStreamInit_GetSizeMax,
 692   xmldoc_IPersistStreamInit_InitNew
 693 };
 694
 695 HRESULT XMLDocument_create(IUnknown *pUnkOuter, LPVOID *ppObj)
 696 {
 697     xmldoc *doc;
 698
 699     TRACE("(%p,%p)\n", pUnkOuter, ppObj);
 700
 701     doc = heap_alloc(sizeof (*doc));
 702     if(!doc)
 703         return E_OUTOFMEMORY;
 704
 705     doc->lpVtbl = &xmldoc_vtbl;
 706     doc->lpvtblIPersistStreamInit = &xmldoc_IPersistStreamInit_VTable;
 707     doc->ref = 1;
 708     doc->error = S_OK;
 709     doc->xmldoc = NULL;
 710     doc->stream = NULL;
 711
 712     *ppObj = &doc->lpVtbl;
 713
 714     TRACE("returning iface %p\n", *ppObj);
 715     return S_OK;
 716 }
 717
 718 #else
 719
 720 HRESULT XMLDocument_create(IUnknown *pUnkOuter, LPVOID *ppObj)
 721 {
 722     MESSAGE("This program tried to use an XMLDocument object, but\n"
 723             "libxml2 support was not present at compile time.\n");
 724     return E_NOTIMPL;
 725 }
 726
 727 #endif