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 #ifdef HAVE_LIBXML2
  27 # include <libxml/parser.h>
  28 # include <libxml/xmlerror.h>
  29 #endif
  30
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "winuser.h"
  34 #include "ole2.h"
  35 #include "msxml6.h"
  36
  37 #include "msxml_private.h"
  38
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  42
  43 #ifdef HAVE_LIBXML2
  44
  45 typedef struct _domimpl
  46 {
  47     DispatchEx dispex;
  48     IXMLDOMImplementation IXMLDOMImplementation_iface;
  49     LONG ref;
  50 } domimpl;
  51
  52 static inline domimpl *impl_from_IXMLDOMImplementation( IXMLDOMImplementation *iface )
  53 {
  54     return CONTAINING_RECORD(iface, domimpl, IXMLDOMImplementation_iface);
  55 }
  56
  57 static HRESULT WINAPI dimimpl_QueryInterface(
  58     IXMLDOMImplementation *iface,
  59     REFIID riid,
  60     void** ppvObject )
  61 {
  62     domimpl *This = impl_from_IXMLDOMImplementation( iface );
  63     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
  64
  65     if ( IsEqualGUID( riid, &IID_IXMLDOMImplementation ) ||
  66          IsEqualGUID( riid, &IID_IDispatch ) ||
  67          IsEqualGUID( riid, &IID_IUnknown ) )
  68     {
  69         *ppvObject = iface;
  70     }
  71     else if (dispex_query_interface(&This->dispex, riid, ppvObject))
  72     {
  73         return *ppvObject ? S_OK : E_NOINTERFACE;
  74     }
  75     else
  76     {
  77         TRACE("Unsupported interface %s\n", debugstr_guid(riid));
  78         *ppvObject = NULL;
  79         return E_NOINTERFACE;
  80     }
  81
  82     IXMLDOMImplementation_AddRef( iface );
  83
  84     return S_OK;
  85 }
  86
  87 static ULONG WINAPI dimimpl_AddRef(
  88     IXMLDOMImplementation *iface )
  89 {
  90     domimpl *This = impl_from_IXMLDOMImplementation( iface );
  91     ULONG ref = InterlockedIncrement( &This->ref );
  92     TRACE("(%p)->(%d)\n", This, ref);
  93     return ref;
  94 }
  95
  96 static ULONG WINAPI dimimpl_Release(
  97     IXMLDOMImplementation *iface )
  98 {
  99     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 100     ULONG ref = InterlockedDecrement( &This->ref );
 101
 102     TRACE("(%p)->(%d)\n", This, ref);
 103     if ( ref == 0 )
 104     {
 105         release_dispex(&This->dispex);
 106         heap_free( This );
 107     }
 108
 109     return ref;
 110 }
 111
 112 static HRESULT WINAPI dimimpl_GetTypeInfoCount(
 113     IXMLDOMImplementation *iface,
 114     UINT* pctinfo )
 115 {
 116     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 117     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 118 }
 119
 120 static HRESULT WINAPI dimimpl_GetTypeInfo(
 121     IXMLDOMImplementation *iface,
 122     UINT iTInfo, LCID lcid,
 123     ITypeInfo** ppTInfo )
 124 {
 125     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 126     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
 127         iTInfo, lcid, ppTInfo);
 128 }
 129
 130 static HRESULT WINAPI dimimpl_GetIDsOfNames(
 131     IXMLDOMImplementation *iface,
 132     REFIID riid, LPOLESTR* rgszNames,
 133     UINT cNames, LCID lcid, DISPID* rgDispId )
 134 {
 135     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 136     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
 137         riid, rgszNames, cNames, lcid, rgDispId);
 138 }
 139
 140 static HRESULT WINAPI dimimpl_Invoke(
 141     IXMLDOMImplementation *iface,
 142     DISPID dispIdMember, REFIID riid, LCID lcid,
 143     WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
 144     EXCEPINFO* pExcepInfo, UINT* puArgErr )
 145 {
 146     domimpl *This = impl_from_IXMLDOMImplementation( iface );
 147     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
 148         dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 149 }
 150
 151 static HRESULT WINAPI dimimpl_hasFeature(IXMLDOMImplementation* This, BSTR feature, BSTR version, VARIANT_BOOL *hasFeature)
 152 {
 153     static const WCHAR bVersion[] = {'1','.','0',0};
 154     static const WCHAR bXML[] = {'X','M','L',0};
 155     static const WCHAR bDOM[] = {'D','O','M',0};
 156     static const WCHAR bMSDOM[] = {'M','S','-','D','O','M',0};
 157     BOOL bValidFeature = FALSE;
 158     BOOL bValidVersion = FALSE;
 159
 160     TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(feature), debugstr_w(version), hasFeature);
 161
 162     if(!feature || !hasFeature)
 163         return E_INVALIDARG;
 164
 165     *hasFeature = VARIANT_FALSE;
 166
 167     if(!version || lstrcmpiW(version, bVersion) == 0)
 168         bValidVersion = TRUE;
 169
 170     if(lstrcmpiW(feature, bXML) == 0 || lstrcmpiW(feature, bDOM) == 0 || lstrcmpiW(feature, bMSDOM) == 0)
 171         bValidFeature = TRUE;
 172
 173     if(bValidVersion && bValidFeature)
 174         *hasFeature = VARIANT_TRUE;
 175
 176     return S_OK;
 177 }
 178
 179 static const struct IXMLDOMImplementationVtbl dimimpl_vtbl =
 180 {
 181     dimimpl_QueryInterface,
 182     dimimpl_AddRef,
 183     dimimpl_Release,
 184     dimimpl_GetTypeInfoCount,
 185     dimimpl_GetTypeInfo,
 186     dimimpl_GetIDsOfNames,
 187     dimimpl_Invoke,
 188     dimimpl_hasFeature
 189 };
 190
 191 static const tid_t dimimpl_iface_tids[] = {
 192     IXMLDOMImplementation_tid,
 193     0
 194 };
 195
 196 static dispex_static_data_t dimimpl_dispex = {
 197     NULL,
 198     IXMLDOMImplementation_tid,
 199     NULL,
 200     dimimpl_iface_tids
 201 };
 202
 203 IUnknown* create_doc_Implementation(void)
 204 {
 205     domimpl *This;
 206
 207     This = heap_alloc( sizeof *This );
 208     if ( !This )
 209         return NULL;
 210
 211     This->IXMLDOMImplementation_iface.lpVtbl = &dimimpl_vtbl;
 212     This->ref = 1;
 213     init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMImplementation_iface, &dimimpl_dispex);
 214
 215     return (IUnknown*)&This->IXMLDOMImplementation_iface;
 216 }
 217
 218 #endif