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     FIXME("\n");
 199     return E_NOTIMPL;
 200 }
 201
 202 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 203     IXMLDOMNamedNodeMap *iface,
 204     BSTR name,
 205     IXMLDOMNode** namedItem)
 206 {
 207     FIXME("\n");
 208     return E_NOTIMPL;
 209 }
 210
 211 static HRESULT WINAPI xmlnodemap_get_item(
 212     IXMLDOMNamedNodeMap *iface,
 213     long index,
 214     IXMLDOMNode** listItem)
 215 {
 216     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 217     xmlNodePtr node;
 218     xmlAttrPtr curr;
 219     long attrIndex;
 220
 221     TRACE("%p %ld\n", This, index);
 222
 223     *listItem = NULL;
 224
 225     if (index < 0)
 226         return S_FALSE;
 227
 228     node = xmlNodePtr_from_domnode( This->node, 0 );
 229     curr = node->properties;
 230
 231     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 232         if (curr->next == NULL)
 233             return S_FALSE;
 234         else
 235             curr = curr->next;
 236     }
 237
 238     *listItem = create_node( (xmlNodePtr) curr );
 239
 240     return S_OK;
 241 }
 242
 243 static HRESULT WINAPI xmlnodemap_get_length(
 244     IXMLDOMNamedNodeMap *iface,
 245     long* listLength)
 246 {
 247     xmlNodePtr node;
 248     xmlAttrPtr first;
 249     xmlAttrPtr curr;
 250     long attrCount;
 251
 252     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 253
 254     TRACE("%p\n", This);
 255
 256     node = xmlNodePtr_from_domnode( This->node, 0 );
 257     if ( !node )
 258         return E_FAIL;
 259
 260     first = node->properties;
 261     if (first == NULL) {
 262         *listLength = 0;
 263         return S_OK;
 264     }
 265
 266     curr = first;
 267     attrCount = 1;
 268     while (curr->next != NULL) {
 269         attrCount++;
 270         curr = curr->next;
 271     }
 272     *listLength = attrCount;
 273
 274     return S_OK;
 275 }
 276
 277 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 278     IXMLDOMNamedNodeMap *iface,
 279     BSTR baseName,
 280     BSTR namespaceURI,
 281     IXMLDOMNode** qualifiedItem)
 282 {
 283     FIXME("\n");
 284     return E_NOTIMPL;
 285 }
 286
 287 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 288     IXMLDOMNamedNodeMap *iface,
 289     BSTR baseName,
 290     BSTR namespaceURI,
 291     IXMLDOMNode** qualifiedItem)
 292 {
 293     FIXME("\n");
 294     return E_NOTIMPL;
 295 }
 296
 297 static HRESULT WINAPI xmlnodemap_nextNode(
 298     IXMLDOMNamedNodeMap *iface,
 299     IXMLDOMNode** nextItem)
 300 {
 301     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 302     xmlNodePtr node;
 303     xmlAttrPtr curr;
 304     long attrIndex;
 305
 306     TRACE("%p %ld\n", This, This->iterator);
 307
 308     *nextItem = NULL;
 309
 310     node = xmlNodePtr_from_domnode( This->node, 0 );
 311     curr = node->properties;
 312
 313     for (attrIndex = 0; attrIndex < This->iterator; attrIndex++) {
 314         if (curr->next == NULL)
 315             return S_FALSE;
 316         else
 317             curr = curr->next;
 318     }
 319
 320     This->iterator++;
 321
 322     *nextItem = create_node( (xmlNodePtr) curr );
 323
 324     return S_OK;
 325 }
 326
 327 static HRESULT WINAPI xmlnodemap_reset(
 328     IXMLDOMNamedNodeMap *iface )
 329 {
 330     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 331
 332     TRACE("%p %ld\n", This, This->iterator);
 333
 334     This->iterator = 0;
 335
 336     return S_OK;
 337 }
 338
 339 static HRESULT WINAPI xmlnodemap__newEnum(
 340     IXMLDOMNamedNodeMap *iface,
 341     IUnknown** ppUnk)
 342 {
 343     FIXME("\n");
 344     return E_NOTIMPL;
 345 }
 346
 347 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 348 {
 349     xmlnodemap_QueryInterface,
 350     xmlnodemap_AddRef,
 351     xmlnodemap_Release,
 352     xmlnodemap_GetTypeInfoCount,
 353     xmlnodemap_GetTypeInfo,
 354     xmlnodemap_GetIDsOfNames,
 355     xmlnodemap_Invoke,
 356     xmlnodemap_getNamedItem,
 357     xmlnodemap_setNamedItem,
 358     xmlnodemap_removeNamedItem,
 359     xmlnodemap_get_item,
 360     xmlnodemap_get_length,
 361     xmlnodemap_getQualifiedItem,
 362     xmlnodemap_removeQualifiedItem,
 363     xmlnodemap_nextNode,
 364     xmlnodemap_reset,
 365     xmlnodemap__newEnum,
 366 };
 367
 368 static HRESULT WINAPI support_error_QueryInterface(
 369     ISupportErrorInfo *iface,
 370     REFIID riid, void** ppvObject )
 371 {
 372     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 373     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
 374
 375     return IXMLDOMNamedNodeMap_QueryInterface((IXMLDOMNamedNodeMap*)&This->lpVtbl, riid, ppvObject);
 376 }
 377
 378 static ULONG WINAPI support_error_AddRef(
 379     ISupportErrorInfo *iface )
 380 {
 381     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 382     return IXMLDOMNamedNodeMap_AddRef((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 383 }
 384
 385 static ULONG WINAPI support_error_Release(
 386     ISupportErrorInfo *iface )
 387 {
 388     xmlnodemap *This = impl_from_ISupportErrorInfo( iface );
 389     return IXMLDOMNamedNodeMap_Release((IXMLDOMNamedNodeMap*)&This->lpVtbl);
 390 }
 391
 392 static HRESULT WINAPI support_error_InterfaceSupportsErrorInfo(
 393     ISupportErrorInfo *iface,
 394     REFIID riid )
 395 {
 396     FIXME("(%p)->(%s)\n", iface, debugstr_guid(riid));
 397     return S_FALSE;
 398 }
 399
 400 static const struct ISupportErrorInfoVtbl support_error_vtbl =
 401 {
 402     support_error_QueryInterface,
 403     support_error_AddRef,
 404     support_error_Release,
 405     support_error_InterfaceSupportsErrorInfo
 406 };
 407
 408 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 409 {
 410     xmlnodemap *nodemap;
 411
 412     nodemap = HeapAlloc( GetProcessHeap(), 0, sizeof *nodemap );
 413     if ( !nodemap )
 414         return NULL;
 415
 416     nodemap->lpVtbl = &xmlnodemap_vtbl;
 417     nodemap->lpSEIVtbl = &support_error_vtbl;
 418     nodemap->node = node;
 419     nodemap->ref = 1;
 420     nodemap->iterator = 0;
 421
 422     IXMLDOMNode_AddRef( node );
 423     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 424
 425     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 426 }
 427
 428 #endif