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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 } xmlnodemap;
  48
  49 static inline xmlnodemap *impl_from_IXMLDOMNamedNodeMap( IXMLDOMNamedNodeMap *iface )
  50 {
  51     return (xmlnodemap *)((char*)iface - FIELD_OFFSET(xmlnodemap, lpVtbl));
  52 }
  53
  54 static inline xmlnodemap *impl_from_ISupportErrorInfo( ISupportErrorInfo *iface )
  55 {
  56     return (xmlnodemap *)((char*)iface - FIELD_OFFSET(xmlnodemap, lpSEIVtbl));
  57 }
  58
  59 static HRESULT WINAPI xmlnodemap_QueryInterface(
  60     IXMLDOMNamedNodeMap *iface,
  61     REFIID riid, void** ppvObject )
  62 {
  63     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  64     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
  65
  66     if( IsEqualGUID( riid, &IID_IUnknown ) ||
  67         IsEqualGUID( riid, &IID_IDispatch ) ||
  68         IsEqualGUID( riid, &IID_IXMLDOMNamedNodeMap ) )
  69     {
  70         *ppvObject = iface;
  71     }
  72     else if( IsEqualGUID( riid, &IID_ISupportErrorInfo ))
  73     {
  74         *ppvObject = &This->lpSEIVtbl;
  75     }
  76     else
  77     {
  78         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  79         return E_NOINTERFACE;
  80     }
  81
  82     IXMLDOMElement_AddRef( iface );
  83
  84     return S_OK;
  85 }
  86
  87 static ULONG WINAPI xmlnodemap_AddRef(
  88     IXMLDOMNamedNodeMap *iface )
  89 {
  90     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  91     return InterlockedIncrement( &This->ref );
  92 }
  93
  94 static ULONG WINAPI xmlnodemap_Release(
  95     IXMLDOMNamedNodeMap *iface )
  96 {
  97     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  98     ULONG ref;
  99
 100     ref = InterlockedDecrement( &This->ref );
 101     if ( ref == 0 )
 102     {
 103         IXMLDOMNode_Release( This->node );
 104         HeapFree( GetProcessHeap(), 0, This );
 105     }
 106
 107     return ref;
 108 }
 109
 110 static HRESULT WINAPI xmlnodemap_GetTypeInfoCount(
 111     IXMLDOMNamedNodeMap *iface,
 112     UINT* pctinfo )
 113 {
 114     FIXME("\n");
 115     return E_NOTIMPL;
 116 }
 117
 118 static HRESULT WINAPI xmlnodemap_GetTypeInfo(
 119     IXMLDOMNamedNodeMap *iface,
 120     UINT iTInfo, LCID lcid,
 121     ITypeInfo** ppTInfo )
 122 {
 123     FIXME("\n");
 124     return E_NOTIMPL;
 125 }
 126
 127 static HRESULT WINAPI xmlnodemap_GetIDsOfNames(
 128     IXMLDOMNamedNodeMap *iface,
 129     REFIID riid, LPOLESTR* rgszNames,
 130     UINT cNames, LCID lcid, DISPID* rgDispId )
 131 {
 132     FIXME("\n");
 133     return E_NOTIMPL;
 134 }
 135
 136 static HRESULT WINAPI xmlnodemap_Invoke(
 137     IXMLDOMNamedNodeMap *iface,
 138     DISPID dispIdMember, REFIID riid, LCID lcid,
 139     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 140     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 141 {
 142     FIXME("\n");
 143     return E_NOTIMPL;
 144 }
 145
 146 xmlChar *xmlChar_from_wchar( LPWSTR str )
 147 {
 148     DWORD len;
 149     xmlChar *xmlstr;
 150
 151     len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
 152     xmlstr = (xmlChar*) HeapAlloc( GetProcessHeap(), 0, len );
 153     if ( xmlstr )
 154         WideCharToMultiByte( CP_UTF8, 0, str, -1, (LPSTR) xmlstr, len, NULL, NULL );
 155     return xmlstr;
 156 }
 157
 158 static HRESULT WINAPI xmlnodemap_getNamedItem(
 159     IXMLDOMNamedNodeMap *iface,
 160     BSTR name,
 161     IXMLDOMNode** namedItem)
 162 {
 163     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 164     xmlChar *element_name;
 165     xmlAttrPtr attr;
 166     xmlNodePtr node;
 167
 168     TRACE("%p %s\n", This, debugstr_w(name) );
 169
 170     node = xmlNodePtr_from_domnode( This->node, 0 );
 171     if ( !node )
 172         return E_FAIL;
 173
 174     element_name = xmlChar_from_wchar( name );
 175     attr = xmlHasNsProp( node, element_name, NULL );
 176     HeapFree( GetProcessHeap(), 0, element_name );
 177
 178     if ( !attr )
 179         return E_FAIL;
 180
 181     *namedItem = create_node( (xmlNodePtr) attr );
 182
 183     return S_OK;
 184 }
 185
 186 static HRESULT WINAPI xmlnodemap_setNamedItem(
 187     IXMLDOMNamedNodeMap *iface,
 188     IXMLDOMNode* newItem,
 189     IXMLDOMNode** namedItem)
 190 {
 191     FIXME("\n");
 192     return E_NOTIMPL;
 193 }
 194
 195 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 196     IXMLDOMNamedNodeMap *iface,
 197     BSTR name,
 198     IXMLDOMNode** namedItem)
 199 {
 200     FIXME("\n");
 201     return E_NOTIMPL;
 202 }
 203
 204 static HRESULT WINAPI xmlnodemap_get_item(
 205     IXMLDOMNamedNodeMap *iface,
 206     long index,
 207     IXMLDOMNode** listItem)
 208 {
 209     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 210     xmlNodePtr node;
 211     xmlAttrPtr curr;
 212     long attrIndex;
 213
 214     TRACE("%p %ld\n", This, index);
 215
 216     *listItem = NULL;
 217
 218     if (index < 0)
 219         return S_FALSE;
 220
 221     node = xmlNodePtr_from_domnode( This->node, 0 );
 222     curr = node->properties;
 223
 224     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 225         if (curr->next == NULL)
 226             return S_FALSE;
 227         else
 228             curr = curr->next;
 229     }
 230
 231     *listItem = create_node( (xmlNodePtr) curr );
 232
 233     return S_OK;
 234 }
 235
 236 static HRESULT WINAPI xmlnodemap_get_length(
 237     IXMLDOMNamedNodeMap *iface,
 238     long* listLength)
 239 {
 240     xmlNodePtr node;
 241     xmlAttrPtr first;
 242     xmlAttrPtr curr;
 243     long attrCount;
 244
 245     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 246
 247     TRACE("%p\n", This);
 248
 249     node = xmlNodePtr_from_domnode( This->node, 0 );
 250     if ( !node )
 251         return E_FAIL;
 252
 253     first = node->properties;
 254     if (first == NULL) {
 255         *listLength = 0;
 256         return S_OK;
 257     }
 258
 259     curr = first;
 260     attrCount = 1;
 261     while (curr->next != NULL) {
 262         attrCount++;
 263         curr = curr->next;
 264     }
 265     *listLength = attrCount;
 266
 267     return S_OK;
 268 }
 269
 270 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 271     IXMLDOMNamedNodeMap *iface,
 272     BSTR baseName,
 273     BSTR namespaceURI,
 274     IXMLDOMNode** qualifiedItem)
 275 {
 276     FIXME("\n");
 277     return E_NOTIMPL;
 278 }
 279
 280 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 281     IXMLDOMNamedNodeMap *iface,
 282     BSTR baseName,
 283     BSTR namespaceURI,
 284     IXMLDOMNode** qualifiedItem)
 285 {
 286     FIXME("\n");
 287     return E_NOTIMPL;
 288 }
 289
 290 static HRESULT WINAPI xmlnodemap_nextNode(
 291     IXMLDOMNamedNodeMap *iface,
 292     IXMLDOMNode** nextItem)
 293 {
 294     FIXME("\n");
 295     return E_NOTIMPL;
 296 }
 297
 298 static HRESULT WINAPI xmlnodemap_reset(
 299     IXMLDOMNamedNodeMap *iface )
 300 {
 301     FIXME("\n");
 302     return E_NOTIMPL;
 303 }
 304
 305 static HRESULT WINAPI xmlnodemap__newEnum(
 306     IXMLDOMNamedNodeMap *iface,
 307     IUnknown** ppUnk)
 308 {
 309     FIXME("\n");
 310     return E_NOTIMPL;
 311 }
 312
 313 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 314 {
 315     xmlnodemap_QueryInterface,
 316     xmlnodemap_AddRef,
 317     xmlnodemap_Release,
 318     xmlnodemap_GetTypeInfoCount,
 319     xmlnodemap_GetTypeInfo,
 320     xmlnodemap_GetIDsOfNames,
 321     xmlnodemap_Invoke,
 322     xmlnodemap_getNamedItem,
 323     xmlnodemap_setNamedItem,
 324     xmlnodemap_removeNamedItem,
 325     xmlnodemap_get_item,
 326     xmlnodemap_get_length,
 327     xmlnodemap_getQualifiedItem,
 328     xmlnodemap_removeQualifiedItem,
 329     xmlnodemap_nextNode,
 330     xmlnodemap_reset,
 331     xmlnodemap__newEnum,
 332 };
 333
 334 static HRESULT WINAPI support_error_QueryInterface(
 335     ISupportErrorInfo *iface,
 336     REFIID riid, void** ppvObject )
 337 {
 338     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 339     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 340
 341     return IXMLDOMNamedNodeMap_QueryInterface((IXMLDOMNamedNodeMap*)&This->lpVtbl, riid, ppvObject);
 342 }
 343
 344 static ULONG WINAPI support_error_AddRef(
 345     ISupportErrorInfo *iface )
 346 {
 347     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 348     return IXMLDOMNamedNodeMap_AddRef((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 349 }
 350
 351 static ULONG WINAPI support_error_Release(
 352     ISupportErrorInfo *iface )
 353 {
 354     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 355     return IXMLDOMNamedNodeMap_Release((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 356 }
 357
 358 static HRESULT WINAPI support_error_InterfaceSupportsErrorInfo(
 359     ISupportErrorInfo *iface,
 360     REFIID riid )
 361 {
 362     FIXME("(%p)->(%s)\n", iface, debugstr_guid(riid));
 363     return S_FALSE;
 364 }
 365
 366 static const struct ISupportErrorInfoVtbl support_error_vtbl =
 367 {
 368     support_error_QueryInterface,
 369     support_error_AddRef,
 370     support_error_Release,
 371     support_error_InterfaceSupportsErrorInfo
 372 };
 373
 374 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 375 {
 376     xmlnodemap *nodemap;
 377
 378     nodemap = HeapAlloc( GetProcessHeap(), 0, sizeof *nodemap );
 379     if ( !nodemap )
 380         return NULL;
 381
 382     nodemap->lpVtbl = &xmlnodemap_vtbl;
 383     nodemap->lpSEIVtbl = &support_error_vtbl;
 384     nodemap->node = node;
 385     nodemap->ref = 1;
 386
 387     IXMLDOMNode_AddRef( node );
 388     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 389
 390     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 391 }
 392
 393 #endif