dlls/msxml3/nodemap.c

   1 /*
   2  *    Node map implementation
   3  *
   4  * Copyright 2005 Mike McCormack
   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 #include "config.h"
  22
  23 #define COBJMACROS
  24
  25 #include <stdarg.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "ole2.h"
  31 #include "msxml6.h"
  32
  33 #include "msxml_private.h"
  34
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  38
  39 #ifdef HAVE_LIBXML2
  40
  41 typedef struct _xmlnodemap
  42 {
  43     const struct IXMLDOMNamedNodeMapVtbl *lpVtbl;
  44     const struct ISupportErrorInfoVtbl *lpSEIVtbl;
  45     LONG ref;
  46     IXMLDOMNode *node;
  47     LONG iterator;
  48 } xmlnodemap;
  49
  50 static inline xmlnodemap *impl_from_IXMLDOMNamedNodeMap( IXMLDOMNamedNodeMap *iface )
  51 {
  52     return (xmlnodemap *)((char*)iface - FIELD_OFFSET(xmlnodemap, lpVtbl));
  53 }
  54
  55 static inline xmlnodemap *impl_from_ISupportErrorInfo( ISupportErrorInfo *iface )
  56 {
  57     return (xmlnodemap *)((char*)iface - FIELD_OFFSET(xmlnodemap, lpSEIVtbl));
  58 }
  59
  60 static HRESULT WINAPI xmlnodemap_QueryInterface(
  61     IXMLDOMNamedNodeMap *iface,
  62     REFIID riid, void** ppvObject )
  63 {
  64     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  65     TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
  66
  67     if( IsEqualGUID( riid, &IID_IUnknown ) ||
  68         IsEqualGUID( riid, &IID_IDispatch ) ||
  69         IsEqualGUID( riid, &IID_IXMLDOMNamedNodeMap ) )
  70     {
  71         *ppvObject = iface;
  72     }
  73     else if( IsEqualGUID( riid, &IID_ISupportErrorInfo ))
  74     {
  75         *ppvObject = &This->lpSEIVtbl;
  76     }
  77     else
  78     {
  79         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  80         return E_NOINTERFACE;
  81     }
  82
  83     IXMLDOMElement_AddRef( iface );
  84
  85     return S_OK;
  86 }
  87
  88 static ULONG WINAPI xmlnodemap_AddRef(
  89     IXMLDOMNamedNodeMap *iface )
  90 {
  91     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  92     return InterlockedIncrement( &This->ref );
  93 }
  94
  95 static ULONG WINAPI xmlnodemap_Release(
  96     IXMLDOMNamedNodeMap *iface )
  97 {
  98     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  99     ULONG ref;
 100
 101     ref = InterlockedDecrement( &This->ref );
 102     if ( ref == 0 )
 103     {
 104         IXMLDOMNode_Release( This->node );
 105         heap_free( This );
 106     }
 107
 108     return ref;
 109 }
 110
 111 static HRESULT WINAPI xmlnodemap_GetTypeInfoCount(
 112     IXMLDOMNamedNodeMap *iface,
 113     UINT* pctinfo )
 114 {
 115     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 116
 117     TRACE("(%p)->(%p)\n", This, pctinfo);
 118
 119     *pctinfo = 1;
 120
 121     return S_OK;
 122 }
 123
 124 static HRESULT WINAPI xmlnodemap_GetTypeInfo(
 125     IXMLDOMNamedNodeMap *iface,
 126     UINT iTInfo, LCID lcid,
 127     ITypeInfo** ppTInfo )
 128 {
 129     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 130     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 131     return get_typeinfo(IXMLDOMNamedNodeMap_tid, ppTInfo);
 132 }
 133
 134 static HRESULT WINAPI xmlnodemap_GetIDsOfNames(
 135     IXMLDOMNamedNodeMap *iface,
 136     REFIID riid, LPOLESTR* rgszNames,
 137     UINT cNames, LCID lcid, DISPID* rgDispId )
 138 {
 139     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 140     ITypeInfo *typeinfo;
 141     HRESULT hr;
 142
 143     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 144           lcid, rgDispId);
 145
 146     if(!rgszNames || cNames == 0 || !rgDispId)
 147         return E_INVALIDARG;
 148
 149     hr = get_typeinfo(IXMLDOMNamedNodeMap_tid, &typeinfo);
 150     if(SUCCEEDED(hr))
 151     {
 152         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 153         ITypeInfo_Release(typeinfo);
 154     }
 155
 156     return hr;
 157 }
 158
 159 static HRESULT WINAPI xmlnodemap_Invoke(
 160     IXMLDOMNamedNodeMap *iface,
 161     DISPID dispIdMember, REFIID riid, LCID lcid,
 162     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 163     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 164 {
 165     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 166     ITypeInfo *typeinfo;
 167     HRESULT hr;
 168
 169     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 170           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 171
 172     hr = get_typeinfo(IXMLDOMNamedNodeMap_tid, &typeinfo);
 173     if(SUCCEEDED(hr))
 174     {
 175         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 176                 pVarResult, pExcepInfo, puArgErr);
 177         ITypeInfo_Release(typeinfo);
 178     }
 179
 180     return hr;
 181 }
 182
 183 xmlChar *xmlChar_from_wchar( LPCWSTR str )
 184 {
 185     DWORD len;
 186     xmlChar *xmlstr;
 187
 188     len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
 189     xmlstr = heap_alloc( len );
 190     if ( xmlstr )
 191         WideCharToMultiByte( CP_UTF8, 0, str, -1, (LPSTR) xmlstr, len, NULL, NULL );
 192     return xmlstr;
 193 }
 194
 195 static HRESULT WINAPI xmlnodemap_getNamedItem(
 196     IXMLDOMNamedNodeMap *iface,
 197     BSTR name,
 198     IXMLDOMNode** namedItem)
 199 {
 200     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 201     TRACE("(%p)->(%s %p)\n", This, debugstr_w(name), namedItem );
 202     return IXMLDOMNamedNodeMap_getQualifiedItem(iface, name, NULL, namedItem);
 203 }
 204
 205 static HRESULT WINAPI xmlnodemap_setNamedItem(
 206     IXMLDOMNamedNodeMap *iface,
 207     IXMLDOMNode* newItem,
 208     IXMLDOMNode** namedItem)
 209 {
 210     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 211     xmlNodePtr nodeNew;
 212     xmlNodePtr node;
 213     xmlnode *ThisNew;
 214
 215     TRACE("(%p)->(%p %p)\n", This, newItem, namedItem );
 216
 217     if(!newItem)
 218         return E_INVALIDARG;
 219
 220     if(namedItem) *namedItem = NULL;
 221
 222     node = xmlNodePtr_from_domnode( This->node, 0 );
 223     if ( !node )
 224         return E_FAIL;
 225
 226     /* Must be an Attribute */
 227     ThisNew = get_node_obj( newItem );
 228     if(!ThisNew) {
 229         FIXME("ThisNew is not our node implementation\n");
 230         return E_FAIL;
 231     }
 232
 233     if(ThisNew->node->type != XML_ATTRIBUTE_NODE)
 234         return E_FAIL;
 235
 236     if(!ThisNew->node->parent)
 237         if(xmldoc_remove_orphan(ThisNew->node->doc, ThisNew->node) != S_OK)
 238             WARN("%p is not an orphan of %p\n", ThisNew->node, ThisNew->node->doc);
 239
 240     nodeNew = xmlAddChild(node, ThisNew->node);
 241
 242     if(namedItem)
 243         *namedItem = create_node( nodeNew );
 244     return S_OK;
 245 }
 246
 247 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 248     IXMLDOMNamedNodeMap *iface,
 249     BSTR name,
 250     IXMLDOMNode** namedItem)
 251 {
 252     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 253     TRACE("(%p)->(%s %p)\n", This, debugstr_w(name), namedItem );
 254     return IXMLDOMNamedNodeMap_removeQualifiedItem(iface, name, NULL, namedItem);
 255 }
 256
 257 static HRESULT WINAPI xmlnodemap_get_item(
 258     IXMLDOMNamedNodeMap *iface,
 259     LONG index,
 260     IXMLDOMNode** listItem)
 261 {
 262     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 263     xmlNodePtr node;
 264     xmlAttrPtr curr;
 265     LONG attrIndex;
 266
 267     TRACE("(%p)->(%d %p)\n", This, index, listItem);
 268
 269     *listItem = NULL;
 270
 271     if (index < 0)
 272         return S_FALSE;
 273
 274     node = xmlNodePtr_from_domnode( This->node, 0 );
 275     curr = node->properties;
 276
 277     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 278         if (curr->next == NULL)
 279             return S_FALSE;
 280         else
 281             curr = curr->next;
 282     }
 283
 284     *listItem = create_node( (xmlNodePtr) curr );
 285
 286     return S_OK;
 287 }
 288
 289 static HRESULT WINAPI xmlnodemap_get_length(
 290     IXMLDOMNamedNodeMap *iface,
 291     LONG *listLength)
 292 {
 293     xmlNodePtr node;
 294     xmlAttrPtr first;
 295     xmlAttrPtr curr;
 296     LONG attrCount;
 297
 298     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 299
 300     TRACE("(%p)->(%p)\n", This, listLength);
 301
 302     if( !listLength )
 303         return E_INVALIDARG;
 304
 305     node = xmlNodePtr_from_domnode( This->node, 0 );
 306     if ( !node )
 307         return E_FAIL;
 308
 309     first = node->properties;
 310     if (first == NULL) {
 311         *listLength = 0;
 312         return S_OK;
 313     }
 314
 315     curr = first;
 316     attrCount = 1;
 317     while (curr->next) {
 318         attrCount++;
 319         curr = curr->next;
 320     }
 321     *listLength = attrCount;
 322
 323     return S_OK;
 324 }
 325
 326 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 327     IXMLDOMNamedNodeMap *iface,
 328     BSTR baseName,
 329     BSTR namespaceURI,
 330     IXMLDOMNode** qualifiedItem)
 331 {
 332     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 333     xmlAttrPtr attr;
 334     xmlNodePtr node;
 335     xmlChar *href;
 336     xmlChar *name;
 337
 338     TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(baseName), debugstr_w(namespaceURI), qualifiedItem);
 339
 340     if (!baseName || !qualifiedItem) return E_INVALIDARG;
 341
 342     node = xmlNodePtr_from_domnode(This->node, XML_ELEMENT_NODE);
 343     if ( !node )
 344         return E_FAIL;
 345
 346     if (namespaceURI && *namespaceURI)
 347     {
 348         href = xmlChar_from_wchar(namespaceURI);
 349         if (!href) return E_OUTOFMEMORY;
 350     }
 351     else
 352         href = NULL;
 353
 354     name = xmlChar_from_wchar(baseName);
 355     if (!name)
 356     {
 357         heap_free(href);
 358         return E_OUTOFMEMORY;
 359     }
 360
 361     attr = xmlHasNsProp(node, name, href);
 362
 363     heap_free(name);
 364     heap_free(href);
 365
 366     if (!attr)
 367     {
 368         *qualifiedItem = NULL;
 369         return S_FALSE;
 370     }
 371
 372     *qualifiedItem = create_node((xmlNodePtr)attr);
 373
 374     return S_OK;
 375 }
 376
 377 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 378     IXMLDOMNamedNodeMap *iface,
 379     BSTR baseName,
 380     BSTR namespaceURI,
 381     IXMLDOMNode** qualifiedItem)
 382 {
 383     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 384     xmlAttrPtr attr;
 385     xmlNodePtr node;
 386     xmlChar *name;
 387     xmlChar *href;
 388
 389     TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(baseName), debugstr_w(namespaceURI), qualifiedItem);
 390
 391     if (!baseName) return E_INVALIDARG;
 392
 393     node = xmlNodePtr_from_domnode( This->node, XML_ELEMENT_NODE );
 394     if ( !node )
 395         return E_FAIL;
 396
 397     if (namespaceURI && *namespaceURI)
 398     {
 399         href = xmlChar_from_wchar(namespaceURI);
 400         if (!href) return E_OUTOFMEMORY;
 401     }
 402     else
 403         href = NULL;
 404
 405     name = xmlChar_from_wchar(baseName);
 406     if (!name)
 407     {
 408         heap_free(href);
 409         return E_OUTOFMEMORY;
 410     }
 411
 412     attr = xmlHasNsProp( node, name, href );
 413
 414     heap_free(name);
 415     heap_free(href);
 416
 417     if ( !attr )
 418     {
 419         if (qualifiedItem) *qualifiedItem = NULL;
 420         return S_FALSE;
 421     }
 422
 423     if ( qualifiedItem )
 424     {
 425         xmlUnlinkNode( (xmlNodePtr) attr );
 426         xmldoc_add_orphan( attr->doc, (xmlNodePtr) attr );
 427         *qualifiedItem = create_node( (xmlNodePtr) attr );
 428     }
 429     else
 430     {
 431         if (xmlRemoveProp(attr) == -1)
 432             ERR("xmlRemoveProp failed\n");
 433     }
 434
 435     return S_OK;
 436 }
 437
 438 static HRESULT WINAPI xmlnodemap_nextNode(
 439     IXMLDOMNamedNodeMap *iface,
 440     IXMLDOMNode** nextItem)
 441 {
 442     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 443     xmlNodePtr node;
 444     xmlAttrPtr curr;
 445     LONG attrIndex;
 446
 447     TRACE("(%p)->(%p: %d)\n", This, nextItem, This->iterator);
 448
 449     *nextItem = NULL;
 450
 451     node = xmlNodePtr_from_domnode( This->node, 0 );
 452     curr = node->properties;
 453
 454     for (attrIndex = 0; attrIndex < This->iterator; attrIndex++) {
 455         if (curr->next == NULL)
 456             return S_FALSE;
 457         else
 458             curr = curr->next;
 459     }
 460
 461     This->iterator++;
 462
 463     *nextItem = create_node( (xmlNodePtr) curr );
 464
 465     return S_OK;
 466 }
 467
 468 static HRESULT WINAPI xmlnodemap_reset(
 469     IXMLDOMNamedNodeMap *iface )
 470 {
 471     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 472
 473     TRACE("(%p: %d)\n", This, This->iterator);
 474
 475     This->iterator = 0;
 476
 477     return S_OK;
 478 }
 479
 480 static HRESULT WINAPI xmlnodemap__newEnum(
 481     IXMLDOMNamedNodeMap *iface,
 482     IUnknown** ppUnk)
 483 {
 484     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 485     FIXME("(%p)->(%p)\n", This, ppUnk);
 486     return E_NOTIMPL;
 487 }
 488
 489 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 490 {
 491     xmlnodemap_QueryInterface,
 492     xmlnodemap_AddRef,
 493     xmlnodemap_Release,
 494     xmlnodemap_GetTypeInfoCount,
 495     xmlnodemap_GetTypeInfo,
 496     xmlnodemap_GetIDsOfNames,
 497     xmlnodemap_Invoke,
 498     xmlnodemap_getNamedItem,
 499     xmlnodemap_setNamedItem,
 500     xmlnodemap_removeNamedItem,
 501     xmlnodemap_get_item,
 502     xmlnodemap_get_length,
 503     xmlnodemap_getQualifiedItem,
 504     xmlnodemap_removeQualifiedItem,
 505     xmlnodemap_nextNode,
 506     xmlnodemap_reset,
 507     xmlnodemap__newEnum,
 508 };
 509
 510 static HRESULT WINAPI support_error_QueryInterface(
 511     ISupportErrorInfo *iface,
 512     REFIID riid, void** ppvObject )
 513 {
 514     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 515     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 516     return IXMLDOMNamedNodeMap_QueryInterface((IXMLDOMNamedNodeMap*)&This->lpVtbl, riid, ppvObject);
 517 }
 518
 519 static ULONG WINAPI support_error_AddRef(
 520     ISupportErrorInfo *iface )
 521 {
 522     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 523     return IXMLDOMNamedNodeMap_AddRef((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 524 }
 525
 526 static ULONG WINAPI support_error_Release(
 527     ISupportErrorInfo *iface )
 528 {
 529     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 530     return IXMLDOMNamedNodeMap_Release((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 531 }
 532
 533 static HRESULT WINAPI support_error_InterfaceSupportsErrorInfo(
 534     ISupportErrorInfo *iface,
 535     REFIID riid )
 536 {
 537     FIXME("(%p)->(%s)\n", iface, debugstr_guid(riid));
 538     return S_FALSE;
 539 }
 540
 541 static const struct ISupportErrorInfoVtbl support_error_vtbl =
 542 {
 543     support_error_QueryInterface,
 544     support_error_AddRef,
 545     support_error_Release,
 546     support_error_InterfaceSupportsErrorInfo
 547 };
 548
 549 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 550 {
 551     xmlnodemap *nodemap;
 552
 553     nodemap = heap_alloc( sizeof *nodemap );
 554     if ( !nodemap )
 555         return NULL;
 556
 557     nodemap->lpVtbl = &xmlnodemap_vtbl;
 558     nodemap->lpSEIVtbl = &support_error_vtbl;
 559     nodemap->node = node;
 560     nodemap->ref = 1;
 561     nodemap->iterator = 0;
 562
 563     IXMLDOMNode_AddRef( node );
 564     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 565
 566     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 567 }
 568
 569 #endif