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     FIXME("\n");
 116     return E_NOTIMPL;
 117 }
 118
 119 static HRESULT WINAPI xmlnodemap_GetTypeInfo(
 120     IXMLDOMNamedNodeMap *iface,
 121     UINT iTInfo, LCID lcid,
 122     ITypeInfo** ppTInfo )
 123 {
 124     FIXME("\n");
 125     return E_NOTIMPL;
 126 }
 127
 128 static HRESULT WINAPI xmlnodemap_GetIDsOfNames(
 129     IXMLDOMNamedNodeMap *iface,
 130     REFIID riid, LPOLESTR* rgszNames,
 131     UINT cNames, LCID lcid, DISPID* rgDispId )
 132 {
 133     FIXME("\n");
 134     return E_NOTIMPL;
 135 }
 136
 137 static HRESULT WINAPI xmlnodemap_Invoke(
 138     IXMLDOMNamedNodeMap *iface,
 139     DISPID dispIdMember, REFIID riid, LCID lcid,
 140     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 141     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 142 {
 143     FIXME("\n");
 144     return E_NOTIMPL;
 145 }
 146
 147 xmlChar *xmlChar_from_wchar( LPWSTR str )
 148 {
 149     DWORD len;
 150     xmlChar *xmlstr;
 151
 152     len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
 153     xmlstr = HeapAlloc( GetProcessHeap(), 0, len );
 154     if ( xmlstr )
 155         WideCharToMultiByte( CP_UTF8, 0, str, -1, (LPSTR) xmlstr, len, NULL, NULL );
 156     return xmlstr;
 157 }
 158
 159 static HRESULT WINAPI xmlnodemap_getNamedItem(
 160     IXMLDOMNamedNodeMap *iface,
 161     BSTR name,
 162     IXMLDOMNode** namedItem)
 163 {
 164     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 165     xmlChar *element_name;
 166     xmlAttrPtr attr;
 167     xmlNodePtr node;
 168
 169     TRACE("%p %s %p\n", This, debugstr_w(name), namedItem );
 170
 171     if ( !namedItem )
 172         return E_INVALIDARG;
 173
 174     node = xmlNodePtr_from_domnode( This->node, 0 );
 175     if ( !node )
 176         return E_FAIL;
 177
 178     element_name = xmlChar_from_wchar( name );
 179     attr = xmlHasNsProp( node, element_name, NULL );
 180     HeapFree( GetProcessHeap(), 0, element_name );
 181
 182     if ( !attr )
 183     {
 184         *namedItem = NULL;
 185         return S_FALSE;
 186     }
 187
 188     *namedItem = create_node( (xmlNodePtr) attr );
 189
 190     return S_OK;
 191 }
 192
 193 static HRESULT WINAPI xmlnodemap_setNamedItem(
 194     IXMLDOMNamedNodeMap *iface,
 195     IXMLDOMNode* newItem,
 196     IXMLDOMNode** namedItem)
 197 {
 198     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 199     xmlnode *ThisNew = NULL;
 200     xmlNodePtr nodeNew;
 201     IXMLDOMNode *pAttr = NULL;
 202     xmlNodePtr node;
 203
 204     TRACE("%p %p %p\n", This, newItem, namedItem );
 205
 206     if(!newItem)
 207         return E_INVALIDARG;
 208
 209     if(namedItem) *namedItem = NULL;
 210
 211     node = xmlNodePtr_from_domnode( This->node, 0 );
 212     if ( !node )
 213         return E_FAIL;
 214
 215     /* Must be an Attribute */
 216     IUnknown_QueryInterface(newItem, &IID_IXMLDOMNode, (LPVOID*)&pAttr);
 217     if(pAttr)
 218     {
 219         ThisNew = impl_from_IXMLDOMNode( pAttr );
 220
 221         if(ThisNew->node->type != XML_ATTRIBUTE_NODE)
 222         {
 223             IUnknown_Release(pAttr);
 224             return E_FAIL;
 225         }
 226
 227         nodeNew = xmlAddChild(node, ThisNew->node);
 228
 229         if(namedItem)
 230             *namedItem = create_node( nodeNew );
 231
 232         IUnknown_Release(pAttr);
 233
 234         return S_OK;
 235     }
 236
 237     return E_INVALIDARG;
 238 }
 239
 240 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 241     IXMLDOMNamedNodeMap *iface,
 242     BSTR name,
 243     IXMLDOMNode** namedItem)
 244 {
 245     FIXME("\n");
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI xmlnodemap_get_item(
 250     IXMLDOMNamedNodeMap *iface,
 251     long index,
 252     IXMLDOMNode** listItem)
 253 {
 254     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 255     xmlNodePtr node;
 256     xmlAttrPtr curr;
 257     long attrIndex;
 258
 259     TRACE("%p %ld\n", This, index);
 260
 261     *listItem = NULL;
 262
 263     if (index < 0)
 264         return S_FALSE;
 265
 266     node = xmlNodePtr_from_domnode( This->node, 0 );
 267     curr = node->properties;
 268
 269     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 270         if (curr->next == NULL)
 271             return S_FALSE;
 272         else
 273             curr = curr->next;
 274     }
 275
 276     *listItem = create_node( (xmlNodePtr) curr );
 277
 278     return S_OK;
 279 }
 280
 281 static HRESULT WINAPI xmlnodemap_get_length(
 282     IXMLDOMNamedNodeMap *iface,
 283     long* listLength)
 284 {
 285     xmlNodePtr node;
 286     xmlAttrPtr first;
 287     xmlAttrPtr curr;
 288     long attrCount;
 289
 290     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 291
 292     TRACE("%p\n", This);
 293
 294     node = xmlNodePtr_from_domnode( This->node, 0 );
 295     if ( !node )
 296         return E_FAIL;
 297
 298     first = node->properties;
 299     if (first == NULL) {
 300         *listLength = 0;
 301         return S_OK;
 302     }
 303
 304     curr = first;
 305     attrCount = 1;
 306     while (curr->next != NULL) {
 307         attrCount++;
 308         curr = curr->next;
 309     }
 310     *listLength = attrCount;
 311
 312     return S_OK;
 313 }
 314
 315 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 316     IXMLDOMNamedNodeMap *iface,
 317     BSTR baseName,
 318     BSTR namespaceURI,
 319     IXMLDOMNode** qualifiedItem)
 320 {
 321     FIXME("\n");
 322     return E_NOTIMPL;
 323 }
 324
 325 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 326     IXMLDOMNamedNodeMap *iface,
 327     BSTR baseName,
 328     BSTR namespaceURI,
 329     IXMLDOMNode** qualifiedItem)
 330 {
 331     FIXME("\n");
 332     return E_NOTIMPL;
 333 }
 334
 335 static HRESULT WINAPI xmlnodemap_nextNode(
 336     IXMLDOMNamedNodeMap *iface,
 337     IXMLDOMNode** nextItem)
 338 {
 339     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 340     xmlNodePtr node;
 341     xmlAttrPtr curr;
 342     long attrIndex;
 343
 344     TRACE("%p %ld\n", This, This->iterator);
 345
 346     *nextItem = NULL;
 347
 348     node = xmlNodePtr_from_domnode( This->node, 0 );
 349     curr = node->properties;
 350
 351     for (attrIndex = 0; attrIndex < This->iterator; attrIndex++) {
 352         if (curr->next == NULL)
 353             return S_FALSE;
 354         else
 355             curr = curr->next;
 356     }
 357
 358     This->iterator++;
 359
 360     *nextItem = create_node( (xmlNodePtr) curr );
 361
 362     return S_OK;
 363 }
 364
 365 static HRESULT WINAPI xmlnodemap_reset(
 366     IXMLDOMNamedNodeMap *iface )
 367 {
 368     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 369
 370     TRACE("%p %ld\n", This, This->iterator);
 371
 372     This->iterator = 0;
 373
 374     return S_OK;
 375 }
 376
 377 static HRESULT WINAPI xmlnodemap__newEnum(
 378     IXMLDOMNamedNodeMap *iface,
 379     IUnknown** ppUnk)
 380 {
 381     FIXME("\n");
 382     return E_NOTIMPL;
 383 }
 384
 385 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 386 {
 387     xmlnodemap_QueryInterface,
 388     xmlnodemap_AddRef,
 389     xmlnodemap_Release,
 390     xmlnodemap_GetTypeInfoCount,
 391     xmlnodemap_GetTypeInfo,
 392     xmlnodemap_GetIDsOfNames,
 393     xmlnodemap_Invoke,
 394     xmlnodemap_getNamedItem,
 395     xmlnodemap_setNamedItem,
 396     xmlnodemap_removeNamedItem,
 397     xmlnodemap_get_item,
 398     xmlnodemap_get_length,
 399     xmlnodemap_getQualifiedItem,
 400     xmlnodemap_removeQualifiedItem,
 401     xmlnodemap_nextNode,
 402     xmlnodemap_reset,
 403     xmlnodemap__newEnum,
 404 };
 405
 406 static HRESULT WINAPI support_error_QueryInterface(
 407     ISupportErrorInfo *iface,
 408     REFIID riid, void** ppvObject )
 409 {
 410     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 411     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 412
 413     return IXMLDOMNamedNodeMap_QueryInterface((IXMLDOMNamedNodeMap*)&This->lpVtbl, riid, ppvObject);
 414 }
 415
 416 static ULONG WINAPI support_error_AddRef(
 417     ISupportErrorInfo *iface )
 418 {
 419     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 420     return IXMLDOMNamedNodeMap_AddRef((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 421 }
 422
 423 static ULONG WINAPI support_error_Release(
 424     ISupportErrorInfo *iface )
 425 {
 426     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 427     return IXMLDOMNamedNodeMap_Release((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 428 }
 429
 430 static HRESULT WINAPI support_error_InterfaceSupportsErrorInfo(
 431     ISupportErrorInfo *iface,
 432     REFIID riid )
 433 {
 434     FIXME("(%p)->(%s)\n", iface, debugstr_guid(riid));
 435     return S_FALSE;
 436 }
 437
 438 static const struct ISupportErrorInfoVtbl support_error_vtbl =
 439 {
 440     support_error_QueryInterface,
 441     support_error_AddRef,
 442     support_error_Release,
 443     support_error_InterfaceSupportsErrorInfo
 444 };
 445
 446 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 447 {
 448     xmlnodemap *nodemap;
 449
 450     nodemap = HeapAlloc( GetProcessHeap(), 0, sizeof *nodemap );
 451     if ( !nodemap )
 452         return NULL;
 453
 454     nodemap->lpVtbl = &xmlnodemap_vtbl;
 455     nodemap->lpSEIVtbl = &support_error_vtbl;
 456     nodemap->node = node;
 457     nodemap->ref = 1;
 458     nodemap->iterator = 0;
 459
 460     IXMLDOMNode_AddRef( node );
 461     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 462
 463     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 464 }
 465
 466 #endif