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     LONG ref;
  45     IXMLDOMNode *node;
  46 } xmlnodemap;
  47
  48 static inline xmlnodemap *impl_from_IXMLDOMNamedNodeMap( IXMLDOMNamedNodeMap *iface )
  49 {
  50     return (xmlnodemap *)((char*)iface - FIELD_OFFSET(xmlnodemap, lpVtbl));
  51 }
  52
  53 static HRESULT WINAPI xmlnodemap_QueryInterface(
  54     IXMLDOMNamedNodeMap *iface,
  55     REFIID riid, void** ppvObject )
  56 {
  57     TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
  58
  59     if( IsEqualGUID( riid, &IID_IXMLDOMElement ) ||
  60         IsEqualGUID( riid, &IID_IUnknown ) ||
  61         IsEqualGUID( riid, &IID_IDispatch ) ||
  62         IsEqualGUID( riid, &IID_IXMLDOMNode ) )
  63     {
  64         *ppvObject = iface;
  65     }
  66     else
  67     {
  68         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  69         return E_NOINTERFACE;
  70     }
  71
  72     IXMLDOMElement_AddRef( iface );
  73
  74     return S_OK;
  75 }
  76
  77 static ULONG WINAPI xmlnodemap_AddRef(
  78     IXMLDOMNamedNodeMap *iface )
  79 {
  80     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  81     return InterlockedIncrement( &This->ref );
  82 }
  83
  84 static ULONG WINAPI xmlnodemap_Release(
  85     IXMLDOMNamedNodeMap *iface )
  86 {
  87     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
  88     ULONG ref;
  89
  90     ref = InterlockedDecrement( &This->ref );
  91     if ( ref == 0 )
  92     {
  93         IXMLDOMNode_Release( This->node );
  94         HeapFree( GetProcessHeap(), 0, This );
  95     }
  96
  97     return ref;
  98 }
  99
 100 static HRESULT WINAPI xmlnodemap_GetTypeInfoCount(
 101     IXMLDOMNamedNodeMap *iface,
 102     UINT* pctinfo )
 103 {
 104     FIXME("\n");
 105     return E_NOTIMPL;
 106 }
 107
 108 static HRESULT WINAPI xmlnodemap_GetTypeInfo(
 109     IXMLDOMNamedNodeMap *iface,
 110     UINT iTInfo, LCID lcid,
 111     ITypeInfo** ppTInfo )
 112 {
 113     FIXME("\n");
 114     return E_NOTIMPL;
 115 }
 116
 117 static HRESULT WINAPI xmlnodemap_GetIDsOfNames(
 118     IXMLDOMNamedNodeMap *iface,
 119     REFIID riid, LPOLESTR* rgszNames,
 120     UINT cNames, LCID lcid, DISPID* rgDispId )
 121 {
 122     FIXME("\n");
 123     return E_NOTIMPL;
 124 }
 125
 126 static HRESULT WINAPI xmlnodemap_Invoke(
 127     IXMLDOMNamedNodeMap *iface,
 128     DISPID dispIdMember, REFIID riid, LCID lcid,
 129     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 130     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 131 {
 132     FIXME("\n");
 133     return E_NOTIMPL;
 134 }
 135
 136 xmlChar *xmlChar_from_wchar( LPWSTR str )
 137 {
 138     DWORD len;
 139     xmlChar *xmlstr;
 140
 141     len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
 142     xmlstr = (xmlChar*) HeapAlloc( GetProcessHeap(), 0, len );
 143     if ( xmlstr )
 144         WideCharToMultiByte( CP_UTF8, 0, str, -1, (LPSTR) xmlstr, len, NULL, NULL );
 145     return xmlstr;
 146 }
 147
 148 static HRESULT WINAPI xmlnodemap_getNamedItem(
 149     IXMLDOMNamedNodeMap *iface,
 150     BSTR name,
 151     IXMLDOMNode** namedItem)
 152 {
 153     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 154     xmlChar *element_name;
 155     xmlAttrPtr attr;
 156     xmlNodePtr node;
 157
 158     TRACE("%p %s\n", This, debugstr_w(name) );
 159
 160     node = xmlNodePtr_from_domnode( This->node, 0 );
 161     if ( !node )
 162         return E_FAIL;
 163
 164     element_name = xmlChar_from_wchar( name );
 165     attr = xmlHasNsProp( node, element_name, NULL );
 166     HeapFree( GetProcessHeap(), 0, element_name );
 167
 168     if ( !attr )
 169         return E_FAIL;
 170
 171     *namedItem = create_node( (xmlNodePtr) attr );
 172
 173     return S_OK;
 174 }
 175
 176 static HRESULT WINAPI xmlnodemap_setNamedItem(
 177     IXMLDOMNamedNodeMap *iface,
 178     IXMLDOMNode* newItem,
 179     IXMLDOMNode** namedItem)
 180 {
 181     FIXME("\n");
 182     return E_NOTIMPL;
 183 }
 184
 185 static HRESULT WINAPI xmlnodemap_removeNamedItem(
 186     IXMLDOMNamedNodeMap *iface,
 187     BSTR name,
 188     IXMLDOMNode** namedItem)
 189 {
 190     FIXME("\n");
 191     return E_NOTIMPL;
 192 }
 193
 194 static HRESULT WINAPI xmlnodemap_get_item(
 195     IXMLDOMNamedNodeMap *iface,
 196     long index,
 197     IXMLDOMNode** listItem)
 198 {
 199     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 200     xmlNodePtr node;
 201     xmlAttrPtr curr;
 202     long attrIndex;
 203
 204     TRACE("%p %ld\n", This, index);
 205
 206     *listItem = NULL;
 207
 208     if (index < 0)
 209         return S_FALSE;
 210
 211     node = xmlNodePtr_from_domnode( This->node, 0 );
 212     curr = node->properties;
 213
 214     for (attrIndex = 0; attrIndex < index; attrIndex++) {
 215         if (curr->next == NULL)
 216             return S_FALSE;
 217         else
 218             curr = curr->next;
 219     }
 220
 221     *listItem = create_node( (xmlNodePtr) curr );
 222
 223     return S_OK;
 224 }
 225
 226 static HRESULT WINAPI xmlnodemap_get_length(
 227     IXMLDOMNamedNodeMap *iface,
 228     long* listLength)
 229 {
 230     xmlNodePtr node;
 231     xmlAttrPtr first;
 232     xmlAttrPtr curr;
 233     long attrCount;
 234
 235     xmlnodemap *This = impl_from_IXMLDOMNamedNodeMap( iface );
 236
 237     TRACE("%p\n", This);
 238
 239     node = xmlNodePtr_from_domnode( This->node, 0 );
 240     if ( !node )
 241         return E_FAIL;
 242
 243     first = node->properties;
 244     if (first == NULL) {
 245         *listLength = 0;
 246         return S_OK;
 247     }
 248
 249     curr = first;
 250     attrCount = 1;
 251     while (curr->next != NULL) {
 252         attrCount++;
 253         curr = curr->next;
 254     }
 255     *listLength = attrCount;
 256
 257     return S_OK;
 258 }
 259
 260 static HRESULT WINAPI xmlnodemap_getQualifiedItem(
 261     IXMLDOMNamedNodeMap *iface,
 262     BSTR baseName,
 263     BSTR namespaceURI,
 264     IXMLDOMNode** qualifiedItem)
 265 {
 266     FIXME("\n");
 267     return E_NOTIMPL;
 268 }
 269
 270 static HRESULT WINAPI xmlnodemap_removeQualifiedItem(
 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_nextNode(
 281     IXMLDOMNamedNodeMap *iface,
 282     IXMLDOMNode** nextItem)
 283 {
 284     FIXME("\n");
 285     return E_NOTIMPL;
 286 }
 287
 288 static HRESULT WINAPI xmlnodemap_reset(
 289     IXMLDOMNamedNodeMap *iface )
 290 {
 291     FIXME("\n");
 292     return E_NOTIMPL;
 293 }
 294
 295 static HRESULT WINAPI xmlnodemap__newEnum(
 296     IXMLDOMNamedNodeMap *iface,
 297     IUnknown** ppUnk)
 298 {
 299     FIXME("\n");
 300     return E_NOTIMPL;
 301 }
 302
 303 static const struct IXMLDOMNamedNodeMapVtbl xmlnodemap_vtbl =
 304 {
 305     xmlnodemap_QueryInterface,
 306     xmlnodemap_AddRef,
 307     xmlnodemap_Release,
 308     xmlnodemap_GetTypeInfoCount,
 309     xmlnodemap_GetTypeInfo,
 310     xmlnodemap_GetIDsOfNames,
 311     xmlnodemap_Invoke,
 312     xmlnodemap_getNamedItem,
 313     xmlnodemap_setNamedItem,
 314     xmlnodemap_removeNamedItem,
 315     xmlnodemap_get_item,
 316     xmlnodemap_get_length,
 317     xmlnodemap_getQualifiedItem,
 318     xmlnodemap_removeQualifiedItem,
 319     xmlnodemap_nextNode,
 320     xmlnodemap_reset,
 321     xmlnodemap__newEnum,
 322 };
 323
 324 IXMLDOMNamedNodeMap *create_nodemap( IXMLDOMNode *node )
 325 {
 326     xmlnodemap *nodemap;
 327
 328     nodemap = HeapAlloc( GetProcessHeap(), 0, sizeof *nodemap );
 329     if ( !nodemap )
 330         return NULL;
 331
 332     nodemap->lpVtbl = &xmlnodemap_vtbl;
 333     nodemap->node = node;
 334     nodemap->ref = 1;
 335
 336     IXMLDOMNode_AddRef( node );
 337     /* Since we AddRef a node here, we don't need to call xmldoc_add_ref() */
 338
 339     return (IXMLDOMNamedNodeMap*) &nodemap->lpVtbl;
 340 }
 341
 342 #endif