dlls/msxml3/domimpl.c

   1 /*
   2  *    DOM Document Implementation implementation
   3  *
   4  * Copyright 2007 Alistair Leslie-Hughes
   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 #define COBJMACROS
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "msxml2.h"
  31
  32 #include "msxml_private.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  37
  38 #ifdef HAVE_LIBXML2
  39
  40 typedef struct _domimpl
  41 {
  42     const struct IXMLDOMImplementationVtbl *lpVtbl;
  43     LONG ref;
  44 } domimpl;
  45
  46 static inline domimpl *impl_from_IXMLDOMImplementation( IXMLDOMImplementation *iface )
  47 {
  48     return (domimpl *)((char*)iface - FIELD_OFFSET(domimpl, lpVtbl));
  49 }
  50
  51 static HRESULT WINAPI dimimpl_QueryInterface(
  52     IXMLDOMImplementation *iface,
  53     REFIID riid,
  54     void** ppvObject )
  55 {
  56     domimpl *This = impl_from_IXMLDOMImplementation( iface );
  57     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
  58
  59     if ( IsEqualGUID( riid, &IID_IXMLDOMImplementation ) ||
  60          IsEqualGUID( riid, &IID_IDispatch ) ||
  61          IsEqualGUID( riid, &IID_IUnknown ) )
  62     {
  63         *ppvObject = iface;
  64     }
  65     else
  66     {
  67         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
  68         return E_NOINTERFACE;
  69     }
  70
  71     IXMLDOMImplementation_AddRef( iface );
  72
  73     return S_OK;
  74 }
  75
  76 static ULONG WINAPI dimimpl_AddRef(
  77     IXMLDOMImplementation *iface )
  78 {
  79     domimpl *This = impl_from_IXMLDOMImplementation( iface );
  80     return InterlockedIncrement( &This->ref );
  81 }
  82
  83 static ULONG WINAPI dimimpl_Release(
  84     IXMLDOMImplementation *iface )
  85 {
  86     domimpl *This = impl_from_IXMLDOMImplementation( iface );
  87     ULONG ref;
  88
  89     ref = InterlockedDecrement( &This->ref );
  90     if ( ref == 0 )
  91     {
  92         heap_free( This );
  93     }
  94
  95     return ref;
  96 }
  97
  98 static HRESULT WINAPI dimimpl_GetTypeInfoCount(
  99     IXMLDOMImplementation *iface,
 100     UINT* pctinfo )
 101 {
 102     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 103
 104     TRACE("(%p)->(%p)\n", This, pctinfo);
 105
 106     *pctinfo = 1;
 107
 108     return S_OK;
 109 }
 110
 111 static HRESULT WINAPI dimimpl_GetTypeInfo(
 112     IXMLDOMImplementation *iface,
 113     UINT iTInfo, LCID lcid,
 114     ITypeInfo** ppTInfo )
 115 {
 116     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 117     HRESULT hr;
 118
 119     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 120
 121     hr = get_typeinfo(IXMLDOMImplementation_tid, ppTInfo);
 122
 123     return hr;
 124 }
 125
 126 static HRESULT WINAPI dimimpl_GetIDsOfNames(
 127     IXMLDOMImplementation *iface,
 128     REFIID riid, LPOLESTR* rgszNames,
 129     UINT cNames, LCID lcid, DISPID* rgDispId )
 130 {
 131     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 132     ITypeInfo *typeinfo;
 133     HRESULT hr;
 134
 135     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 136           lcid, rgDispId);
 137
 138     if(!rgszNames || cNames == 0 || !rgDispId)
 139         return E_INVALIDARG;
 140
 141     hr = get_typeinfo(IXMLDOMImplementation_tid, &typeinfo);
 142     if(SUCCEEDED(hr))
 143     {
 144         hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
 145         ITypeInfo_Release(typeinfo);
 146     }
 147
 148     return hr;
 149 }
 150
 151 static HRESULT WINAPI dimimpl_Invoke(
 152     IXMLDOMImplementation *iface,
 153     DISPID dispIdMember, REFIID riid, LCID lcid,
 154     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 155     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 156 {
 157     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 158     ITypeInfo *typeinfo;
 159     HRESULT hr;
 160
 161     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 162           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 163
 164     hr = get_typeinfo(IXMLDOMImplementation_tid, &typeinfo);
 165     if(SUCCEEDED(hr))
 166     {
 167         hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
 168                 pVarResult, pExcepInfo, puArgErr);
 169         ITypeInfo_Release(typeinfo);
 170     }
 171
 172     return hr;
 173 }
 174
 175 static HRESULT WINAPI dimimpl_hasFeature(IXMLDOMImplementation* This, BSTR feature, BSTR version, VARIANT_BOOL *hasFeature)
 176 {
 177     static const WCHAR bVersion[] = {'1','.','0',0};
 178     static const WCHAR bXML[] = {'X','M','L',0};
 179     static const WCHAR bDOM[] = {'D','O','M',0};
 180     static const WCHAR bMSDOM[] = {'M','S','-','D','O','M',0};
 181     BOOL bValidFeature = FALSE;
 182     BOOL bValidVersion = FALSE;
 183
 184     TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(feature), debugstr_w(version), hasFeature);
 185
 186     if(!feature || !hasFeature)
 187         return E_INVALIDARG;
 188
 189     *hasFeature = VARIANT_FALSE;
 190
 191     if(!version || lstrcmpiW(version, bVersion) == 0)
 192         bValidVersion = TRUE;
 193
 194     if(lstrcmpiW(feature, bXML) == 0 || lstrcmpiW(feature, bDOM) == 0 || lstrcmpiW(feature, bMSDOM) == 0)
 195         bValidFeature = TRUE;
 196
 197     if(bValidVersion && bValidFeature)
 198         *hasFeature = VARIANT_TRUE;
 199
 200     return S_OK;
 201 }
 202
 203 static const struct IXMLDOMImplementationVtbl dimimpl_vtbl =
 204 {
 205     dimimpl_QueryInterface,
 206     dimimpl_AddRef,
 207     dimimpl_Release,
 208     dimimpl_GetTypeInfoCount,
 209     dimimpl_GetTypeInfo,
 210     dimimpl_GetIDsOfNames,
 211     dimimpl_Invoke,
 212     dimimpl_hasFeature
 213 };
 214
 215 IUnknown* create_doc_Implementation(void)
 216 {
 217     domimpl *This;
 218
 219     This = heap_alloc( sizeof *This );
 220     if ( !This )
 221         return NULL;
 222
 223     This->lpVtbl = &dimimpl_vtbl;
 224     This->ref = 1;
 225
 226     return (IUnknown*) &This->lpVtbl;
 227 }
 228
 229 #endif