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 "msxml2.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         HeapFree( GetProcessHeap(), 0, 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     HRESULT hr;
 131
 132     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 133
 134     hr = get_typeinfo(IXMLDOMNamedNodeMap_tid, ppTInfo);
 135
 136     return hr;
 137 }
 138
 139 static HRESULT WINAPI xmlnodemap_GetIDsOfNames(
 140     IXMLDOMNamedNodeMap *iface,
 141     REFIID riid, LPOLESTR* rgszNames,
 142     UINT cNames, LCID lcid, DISPID* rgDispId )
 143 {
 144     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 145     ITypeInfo *typeinfo;
 146     HRESULT hr;
 147
 148     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 149           lcid, rgDispId);
 150
 151     if(!rgszNames || cNames == 0 || !rgDispId)
 152         return E_INVALIDARG;
 153
 154     hr = get_typeinfo(IXMLDOMNamedNodeMap_tid, &typeinfo);
 155     if(SUCCEEDED(hr))
 156     {
 157         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 158         ITypeInfo_Release(typeinfo);
 159     }
 160
 161     return hr;
 162 }
 163
 164 static HRESULT WINAPI xmlnodemap_Invoke(
 165     IXMLDOMNamedNodeMap *iface,
 166     DISPID dispIdMember, REFIID riid, LCID lcid,
 167     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 168     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 169 {
 170     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 171     ITypeInfo *typeinfo;
 172     HRESULT hr;
 173
 174     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 175           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 176
 177     hr = get_typeinfo(IXMLDOMNamedNodeMap_tid, &typeinfo);
 178     if(SUCCEEDED(hr))
 179     {
 180         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 181                 pVarResult, pExcepInfo, puArgErr);
 182         ITypeInfo_Release(typeinfo);
 183     }
 184
 185     return hr;
 186 }
 187
 188 xmlChar *xmlChar_from_wchar( LPWSTR str )
 189 {
 190     DWORD len;
 191     xmlChar *xmlstr;
 192
 193     len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
 194     xmlstr = HeapAlloc( GetProcessHeap(), 0, len );
 195     if ( xmlstr )
 196         WideCharToMultiByte( CP_UTF8, 0, str, -1, (LPSTR) xmlstr, len, NULL, NULL );
 197     return xmlstr;
 198 }
 199
 200 static HRESULT WINAPI xmlnodemap_getNamedItem(
 201     IXMLDOMNamedNodeMap *iface,
 202     BSTR name,
 203     IXMLDOMNode** namedItem)
 204 {
 205     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 206     xmlChar *element_name;
 207     xmlAttrPtr attr;
 208     xmlNodePtr node;
 209
 210     TRACE("%p %s %p\n", This, debugstr_w(name), namedItem );
 211
 212     if ( !namedItem )
 213         return E_INVALIDARG;
 214
 215     node = xmlNodePtr_from_domnode( This->node, 0 );
 216     if ( !node )
 217         return E_FAIL;
 218
 219     element_name = xmlChar_from_wchar( name );
 220     attr = xmlHasNsProp( node, element_name, NULL );
 221     HeapFree( GetProcessHeap(), 0, element_name );
 222
 223     if ( !attr )
 224     {
 225         *namedItem = NULL;
 226         return S_FALSE;
 227     }
 228
 229     *namedItem = create_node( (xmlNodePtr) attr );
 230
 231     return S_OK;
 232 }
 233
 234 static HRESULT WINAPI xmlnodemap_setNamedItem(
 235     IXMLDOMNamedNodeMap *iface,
 236     IXMLDOMNode* newItem,
 237     IXMLDOMNode** namedItem)
 238 {
 239     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 240     xmlnode *ThisNew = NULL;
 241     xmlNodePtr nodeNew;
 242     IXMLDOMNode *pAttr = NULL;
 243     xmlNodePtr node;
 244
 245     TRACE("%p %p %p\n", This, newItem, namedItem );
 246
 247     if(!newItem)
 248         return E_INVALIDARG;
 249
 250     if(namedItem) *namedItem = NULL;
 251
 252     node = xmlNodePtr_from_domnode( This->node, 0 );
 253     if ( !node )
 254         return E_FAIL;
 255
 256     /* Must be an Attribute */
 257     IUnknown_QueryInterface(newItem, &IID_IXMLDOMNode, (LPVOID*)&pAttr);
 258     if(pAttr)
 259     {
 260         ThisNew = impl_from_IXMLDOMNode( pAttr );
 261
 262         if(ThisNew->node->type != XML_ATTRIBUTE_NODE)
 263         {
 264             IUnknown_Release(pAttr);
 265             return E_FAIL;
 266         }
 267
 268         nodeNew = xmlAddChild(node, ThisNew->node);
 269
 270         if(namedItem)
 271             *namedItem = create_node( nodeNew );
 272
 273         IUnknown_Release(pAttr);
 274
 275         return S_OK;
 276     }
 277
 278     return E_INVALIDARG;
 279 }
 280
 281 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 282     IXMLDOMNamedNodeMap *iface,
 283     BSTR name,
 284     IXMLDOMNode** namedItem)
 285 {
 286     FIXME("\n");
 287     return E_NOTIMPL;
 288 }
 289
 290 static HRESULT WINAPI xmlnodemap_get_item(
 291     IXMLDOMNamedNodeMap *iface,
 292     long index,
 293     IXMLDOMNode** listItem)
 294 {
 295     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 296     xmlNodePtr node;
 297     xmlAttrPtr curr;
 298     long attrIndex;
 299
 300     TRACE("%p %ld\n", This, index);
 301
 302     *listItem = NULL;
 303
 304     if (index < 0)
 305         return S_FALSE;
 306
 307     node = xmlNodePtr_from_domnode( This->node, 0 );
 308     curr = node->properties;
 309
 310     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 311         if (curr->next == NULL)
 312             return S_FALSE;
 313         else
 314             curr = curr->next;
 315     }
 316
 317     *listItem = create_node( (xmlNodePtr) curr );
 318
 319     return S_OK;
 320 }
 321
 322 static HRESULT WINAPI xmlnodemap_get_length(
 323     IXMLDOMNamedNodeMap *iface,
 324     long* listLength)
 325 {
 326     xmlNodePtr node;
 327     xmlAttrPtr first;
 328     xmlAttrPtr curr;
 329     long attrCount;
 330
 331     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 332
 333     TRACE("%p\n", This);
 334
 335     node = xmlNodePtr_from_domnode( This->node, 0 );
 336     if ( !node )
 337         return E_FAIL;
 338
 339     first = node->properties;
 340     if (first == NULL) {
 341         *listLength = 0;
 342         return S_OK;
 343     }
 344
 345     curr = first;
 346     attrCount = 1;
 347     while (curr->next != NULL) {
 348         attrCount++;
 349         curr = curr->next;
 350     }
 351     *listLength = attrCount;
 352
 353     return S_OK;
 354 }
 355
 356 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 357     IXMLDOMNamedNodeMap *iface,
 358     BSTR baseName,
 359     BSTR namespaceURI,
 360     IXMLDOMNode** qualifiedItem)
 361 {
 362     FIXME("\n");
 363     return E_NOTIMPL;
 364 }
 365
 366 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 367     IXMLDOMNamedNodeMap *iface,
 368     BSTR baseName,
 369     BSTR namespaceURI,
 370     IXMLDOMNode** qualifiedItem)
 371 {
 372     FIXME("\n");
 373     return E_NOTIMPL;
 374 }
 375
 376 static HRESULT WINAPI xmlnodemap_nextNode(
 377     IXMLDOMNamedNodeMap *iface,
 378     IXMLDOMNode** nextItem)
 379 {
 380     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 381     xmlNodePtr node;
 382     xmlAttrPtr curr;
 383     long attrIndex;
 384
 385     TRACE("%p %ld\n", This, This->iterator);
 386
 387     *nextItem = NULL;
 388
 389     node = xmlNodePtr_from_domnode( This->node, 0 );
 390     curr = node->properties;
 391
 392     for (attrIndex = 0; attrIndex < This->iterator; attrIndex++) {
 393         if (curr->next == NULL)
 394             return S_FALSE;
 395         else
 396             curr = curr->next;
 397     }
 398
 399     This->iterator++;
 400
 401     *nextItem = create_node( (xmlNodePtr) curr );
 402
 403     return S_OK;
 404 }
 405
 406 static HRESULT WINAPI xmlnodemap_reset(
 407     IXMLDOMNamedNodeMap *iface )
 408 {
 409     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 410
 411     TRACE("%p %ld\n", This, This->iterator);
 412
 413     This->iterator = 0;
 414
 415     return S_OK;
 416 }
 417
 418 static HRESULT WINAPI xmlnodemap__newEnum(
 419     IXMLDOMNamedNodeMap *iface,
 420     IUnknown** ppUnk)
 421 {
 422     FIXME("\n");
 423     return E_NOTIMPL;
 424 }
 425
 426 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 427 {
 428     xmlnodemap_QueryInterface,
 429     xmlnodemap_AddRef,
 430     xmlnodemap_Release,
 431     xmlnodemap_GetTypeInfoCount,
 432     xmlnodemap_GetTypeInfo,
 433     xmlnodemap_GetIDsOfNames,
 434     xmlnodemap_Invoke,
 435     xmlnodemap_getNamedItem,
 436     xmlnodemap_setNamedItem,
 437     xmlnodemap_removeNamedItem,
 438     xmlnodemap_get_item,
 439     xmlnodemap_get_length,
 440     xmlnodemap_getQualifiedItem,
 441     xmlnodemap_removeQualifiedItem,
 442     xmlnodemap_nextNode,
 443     xmlnodemap_reset,
 444     xmlnodemap__newEnum,
 445 };
 446
 447 static HRESULT WINAPI support_error_QueryInterface(
 448     ISupportErrorInfo *iface,
 449     REFIID riid, void** ppvObject )
 450 {
 451     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 452     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 453
 454     return IXMLDOMNamedNodeMap_QueryInterface((IXMLDOMNamedNodeMap*)&This->lpVtbl, riid, ppvObject);
 455 }
 456
 457 static ULONG WINAPI support_error_AddRef(
 458     ISupportErrorInfo *iface )
 459 {
 460     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 461     return IXMLDOMNamedNodeMap_AddRef((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 462 }
 463
 464 static ULONG WINAPI support_error_Release(
 465     ISupportErrorInfo *iface )
 466 {
 467     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 468     return IXMLDOMNamedNodeMap_Release((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 469 }
 470
 471 static HRESULT WINAPI support_error_InterfaceSupportsErrorInfo(
 472     ISupportErrorInfo *iface,
 473     REFIID riid )
 474 {
 475     FIXME("(%p)->(%s)\n", iface, debugstr_guid(riid));
 476     return S_FALSE;
 477 }
 478
 479 static const struct ISupportErrorInfoVtbl support_error_vtbl =
 480 {
 481     support_error_QueryInterface,
 482     support_error_AddRef,
 483     support_error_Release,
 484     support_error_InterfaceSupportsErrorInfo
 485 };
 486
 487 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 488 {
 489     xmlnodemap *nodemap;
 490
 491     nodemap = HeapAlloc( GetProcessHeap(), 0, sizeof *nodemap );
 492     if ( !nodemap )
 493         return NULL;
 494
 495     nodemap->lpVtbl = &xmlnodemap_vtbl;
 496     nodemap->lpSEIVtbl = &support_error_vtbl;
 497     nodemap->node = node;
 498     nodemap->ref = 1;
 499     nodemap->iterator = 0;
 500
 501     IXMLDOMNode_AddRef( node );
 502     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 503
 504     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 505 }
 506
 507 #endif