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   1 /*
   2  *    MSXML Class Factory
   3  *
   4  * Copyright 2002 Lionel Ulmer
   5  * Copyright 2005 Mike McCormack
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #define COBJMACROS
  23
  24 #include "config.h"
  25
  26 #include <stdarg.h>
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "ole2.h"
  31 #include "msxml.h"
  32 #include "xmldom.h"
  33 #include "msxml2.h"
  34 #include "msxml6.h"
  35
  36 /* undef the #define in msxml2 so that we can access the v.2 version
  37    independent CLSID as well as the v.3 one. */
  38 #undef CLSID_DOMDocument
  39
  40 #include "wine/debug.h"
  41
  42 #include "msxml_private.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  45
  46 typedef HRESULT (*ClassFactoryCreateInstanceFunc)(IUnknown *pUnkOuter, LPVOID *ppObj);
  47 typedef HRESULT (*DOMFactoryCreateInstanceFunc)(const GUID *clsid, IUnknown *pUnkOuter, LPVOID *ppObj);
  48
  49 /******************************************************************************
  50  * MSXML ClassFactory
  51  */
  52 typedef struct
  53 {
  54     const struct IClassFactoryVtbl *lpVtbl;
  55     ClassFactoryCreateInstanceFunc pCreateInstance;
  56 } ClassFactory;
  57
  58 typedef struct
  59 {
  60     const struct IClassFactoryVtbl *lpVtbl;
  61     LONG ref;
  62     DOMFactoryCreateInstanceFunc pCreateInstance;
  63     GUID clsid;
  64 } DOMFactory;
  65
  66 static HRESULT WINAPI ClassFactory_QueryInterface(
  67     IClassFactory *iface,
  68     REFIID riid,
  69     void **ppobj )
  70 {
  71     if (IsEqualGUID(riid, &IID_IUnknown) ||
  72         IsEqualGUID(riid, &IID_IClassFactory))
  73     {
  74         IClassFactory_AddRef( iface );
  75         *ppobj = iface;
  76         return S_OK;
  77     }
  78
  79     FIXME("interface %s not implemented\n", debugstr_guid(riid));
  80     return E_NOINTERFACE;
  81 }
  82
  83 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface )
  84 {
  85     return 2;
  86 }
  87
  88 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface )
  89 {
  90     return 1;
  91 }
  92
  93 static HRESULT WINAPI ClassFactory_CreateInstance(
  94     IClassFactory *iface,
  95     IUnknown *pOuter,
  96     REFIID riid,
  97     void **ppobj )
  98 {
  99     ClassFactory *This = (ClassFactory*)iface;
 100     IUnknown *punk;
 101     HRESULT r;
 102
 103     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj );
 104
 105     *ppobj = NULL;
 106
 107     if (pOuter)
 108         return CLASS_E_NOAGGREGATION;
 109
 110     r = This->pCreateInstance( pOuter, (void**) &punk );
 111     if (FAILED(r))
 112         return r;
 113
 114     r = IUnknown_QueryInterface( punk, riid, ppobj );
 115     IUnknown_Release( punk );
 116     return r;
 117 }
 118
 119 static HRESULT WINAPI ClassFactory_LockServer(
 120     IClassFactory *iface,
 121     BOOL dolock)
 122 {
 123     FIXME("(%p)->(%d),stub!\n",iface,dolock);
 124     return S_OK;
 125 }
 126
 127 static ULONG WINAPI DOMClassFactory_AddRef(IClassFactory *iface )
 128 {
 129     DOMFactory *This = (DOMFactory*)iface;
 130     ULONG ref = InterlockedIncrement(&This->ref);
 131     TRACE("(%p) ref = %u\n", This, ref);
 132     return ref;
 133 }
 134
 135 static ULONG WINAPI DOMClassFactory_Release(IClassFactory *iface )
 136 {
 137     DOMFactory *This = (DOMFactory*)iface;
 138     ULONG ref = InterlockedDecrement(&This->ref);
 139     TRACE("(%p) ref = %u\n", This, ref);
 140     if(!ref) {
 141         heap_free(This);
 142     }
 143     return ref;
 144 }
 145
 146 static HRESULT WINAPI DOMClassFactory_CreateInstance(
 147     IClassFactory *iface,
 148     IUnknown *pOuter,
 149     REFIID riid,
 150     void **ppobj )
 151 {
 152     DOMFactory *This = (DOMFactory*)iface;
 153     IUnknown *punk;
 154     HRESULT r;
 155
 156     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj );
 157
 158     *ppobj = NULL;
 159
 160     if (pOuter)
 161         return CLASS_E_NOAGGREGATION;
 162
 163     r = This->pCreateInstance( &This->clsid, pOuter, (void**) &punk );
 164     if (FAILED(r))
 165         return r;
 166
 167     r = IUnknown_QueryInterface( punk, riid, ppobj );
 168     IUnknown_Release( punk );
 169     return r;
 170 }
 171
 172 static const struct IClassFactoryVtbl ClassFactoryVtbl =
 173 {
 174     ClassFactory_QueryInterface,
 175     ClassFactory_AddRef,
 176     ClassFactory_Release,
 177     ClassFactory_CreateInstance,
 178     ClassFactory_LockServer
 179 };
 180
 181 static const struct IClassFactoryVtbl DOMClassFactoryVtbl =
 182 {
 183     ClassFactory_QueryInterface,
 184     DOMClassFactory_AddRef,
 185     DOMClassFactory_Release,
 186     DOMClassFactory_CreateInstance,
 187     ClassFactory_LockServer
 188 };
 189
 190 static HRESULT DOMClassFactory_Create(const GUID *clsid, REFIID riid, void **ppv, DOMFactoryCreateInstanceFunc fnCreateInstance)
 191 {
 192     DOMFactory *ret = heap_alloc(sizeof(DOMFactory));
 193     HRESULT hres;
 194
 195     ret->lpVtbl = &DOMClassFactoryVtbl;
 196     ret->ref = 0;
 197     ret->clsid = *clsid;
 198     ret->pCreateInstance = fnCreateInstance;
 199
 200     hres = IClassFactory_QueryInterface((IClassFactory*)ret, riid, ppv);
 201     if(FAILED(hres)) {
 202         heap_free(ret);
 203         *ppv = NULL;
 204     }
 205     return hres;
 206 }
 207
 208 static ClassFactory schemacf = { &ClassFactoryVtbl, SchemaCache_create };
 209 static ClassFactory xmldoccf = { &ClassFactoryVtbl, XMLDocument_create };
 210 static ClassFactory saxreadcf = { &ClassFactoryVtbl, SAXXMLReader_create };
 211 static ClassFactory httpreqcf = { &ClassFactoryVtbl, XMLHTTPRequest_create };
 212
 213 /******************************************************************
 214  *              DllGetClassObject (MSXML3.@)
 215  */
 216 HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, void **ppv )
 217 {
 218     IClassFactory *cf = NULL;
 219
 220     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv );
 221
 222     if( IsEqualCLSID( rclsid, &CLSID_DOMDocument )  ||  /* Version indep. v 2.x */
 223         IsEqualCLSID( rclsid, &CLSID_DOMDocument2 ) ||  /* Version indep. v 3.0 */
 224         IsEqualCLSID( rclsid, &CLSID_DOMDocument30 )||  /* Version dep.   v 3.0 */
 225         IsEqualCLSID( rclsid, &CLSID_DOMDocument40 )||  /* Version dep.   v 4.0 */
 226         IsEqualCLSID( rclsid, &CLSID_DOMDocument60 ))   /* Version dep.   v 6.0 */
 227     {
 228         return DOMClassFactory_Create(rclsid, riid, ppv, DOMDocument_create);
 229     }
 230     else if( IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache )   ||
 231              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache30 ) ||
 232              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache40 ) ||
 233              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache60 ))
 234     {
 235         cf = (IClassFactory*) &schemacf.lpVtbl;
 236     }
 237     else if( IsEqualCLSID( rclsid, &CLSID_XMLDocument ) )
 238     {
 239         cf = (IClassFactory*) &xmldoccf.lpVtbl;
 240     }
 241     else if( IsEqualCLSID( rclsid, &CLSID_DOMFreeThreadedDocument )   ||   /* Version indep. v 2.x */
 242              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument )   ||
 243              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument30 ) ||
 244              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument40 ) ||
 245              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument60 ))
 246     {
 247         return DOMClassFactory_Create(rclsid, riid, ppv, DOMDocument_create);
 248     }
 249     else if( IsEqualCLSID( rclsid, &CLSID_SAXXMLReader) ||
 250              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader30 ) ||
 251              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader40 ) ||
 252              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader60 ))
 253     {
 254         cf = (IClassFactory*) &saxreadcf.lpVtbl;
 255     }
 256     else if( IsEqualCLSID( rclsid, &CLSID_XMLHTTPRequest ) ||
 257              IsEqualCLSID( rclsid, &CLSID_XMLHTTP26 ) ||
 258              IsEqualCLSID( rclsid, &CLSID_XMLHTTP30 ) ||
 259              IsEqualCLSID( rclsid, &CLSID_XMLHTTP40 ) ||
 260              IsEqualCLSID( rclsid, &CLSID_XMLHTTP60 ))
 261     {
 262         cf = (IClassFactory*) &httpreqcf.lpVtbl;
 263     }
 264
 265     if ( !cf )
 266         return CLASS_E_CLASSNOTAVAILABLE;
 267
 268     return IClassFactory_QueryInterface( cf, riid, ppv );
 269 }