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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 #ifdef HAVE_LIBXML2
  28 # include <libxml/parser.h>
  29 # include <libxml/xmlerror.h>
  30 #endif
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winuser.h"
  35 #include "ole2.h"
  36 #include "msxml.h"
  37 #include "msxml2.h"
  38
  39 /* undef the #define in msxml2 so that we can access the v.2 version
  40    independent CLSID as well as the v.3 one. */
  41 #undef CLSID_DOMDocument
  42
  43 #include "wine/debug.h"
  44
  45 #include "msxml_private.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  48
  49 typedef HRESULT (*ClassFactoryCreateInstanceFunc)(IUnknown *pUnkOuter, LPVOID *ppObj);
  50 typedef HRESULT (*DOMFactoryCreateInstanceFunc)(const GUID *clsid, IUnknown *pUnkOuter, LPVOID *ppObj);
  51
  52 /******************************************************************************
  53  * MSXML ClassFactory
  54  */
  55 typedef struct
  56 {
  57     IClassFactory IClassFactory_iface;
  58     ClassFactoryCreateInstanceFunc pCreateInstance;
  59 } ClassFactory;
  60
  61 typedef struct
  62 {
  63     IClassFactory IClassFactory_iface;
  64     LONG ref;
  65     DOMFactoryCreateInstanceFunc pCreateInstance;
  66     GUID clsid;
  67 } DOMFactory;
  68
  69 static inline ClassFactory *ClassFactory_from_IClassFactory(IClassFactory *iface)
  70 {
  71     return CONTAINING_RECORD(iface, ClassFactory, IClassFactory_iface);
  72 }
  73
  74 static HRESULT WINAPI ClassFactory_QueryInterface(
  75     IClassFactory *iface,
  76     REFIID riid,
  77     void **ppobj )
  78 {
  79     if (IsEqualGUID(riid, &IID_IUnknown) ||
  80         IsEqualGUID(riid, &IID_IClassFactory))
  81     {
  82         IClassFactory_AddRef( iface );
  83         *ppobj = iface;
  84         return S_OK;
  85     }
  86
  87     FIXME("interface %s not implemented\n", debugstr_guid(riid));
  88     *ppobj = NULL;
  89     return E_NOINTERFACE;
  90 }
  91
  92 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface )
  93 {
  94     return 2;
  95 }
  96
  97 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface )
  98 {
  99     return 1;
 100 }
 101
 102 static HRESULT WINAPI ClassFactory_CreateInstance(
 103     IClassFactory *iface,
 104     IUnknown *pOuter,
 105     REFIID riid,
 106     void **ppobj )
 107 {
 108     ClassFactory *This = ClassFactory_from_IClassFactory(iface);
 109     IUnknown *punk;
 110     HRESULT r;
 111
 112     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj );
 113
 114     *ppobj = NULL;
 115
 116     if (pOuter)
 117         return CLASS_E_NOAGGREGATION;
 118
 119     r = This->pCreateInstance( pOuter, (void**) &punk );
 120     if (FAILED(r))
 121         return r;
 122
 123     r = IUnknown_QueryInterface( punk, riid, ppobj );
 124     IUnknown_Release( punk );
 125     return r;
 126 }
 127
 128 static HRESULT WINAPI ClassFactory_LockServer(
 129     IClassFactory *iface,
 130     BOOL dolock)
 131 {
 132     FIXME("(%p)->(%d),stub!\n",iface,dolock);
 133     return S_OK;
 134 }
 135
 136 static inline DOMFactory *DOMFactory_from_IClassFactory(IClassFactory *iface)
 137 {
 138     return CONTAINING_RECORD(iface, DOMFactory, IClassFactory_iface);
 139 }
 140
 141 static ULONG WINAPI DOMClassFactory_AddRef(IClassFactory *iface )
 142 {
 143     DOMFactory *This = DOMFactory_from_IClassFactory(iface);
 144     ULONG ref = InterlockedIncrement(&This->ref);
 145     TRACE("(%p) ref = %u\n", This, ref);
 146     return ref;
 147 }
 148
 149 static ULONG WINAPI DOMClassFactory_Release(IClassFactory *iface )
 150 {
 151     DOMFactory *This = DOMFactory_from_IClassFactory(iface);
 152     ULONG ref = InterlockedDecrement(&This->ref);
 153     TRACE("(%p) ref = %u\n", This, ref);
 154     if(!ref) {
 155         heap_free(This);
 156     }
 157     return ref;
 158 }
 159
 160 static HRESULT WINAPI DOMClassFactory_CreateInstance(
 161     IClassFactory *iface,
 162     IUnknown *pOuter,
 163     REFIID riid,
 164     void **ppobj )
 165 {
 166     DOMFactory *This = DOMFactory_from_IClassFactory(iface);
 167     IUnknown *punk;
 168     HRESULT r;
 169
 170     TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj );
 171
 172     *ppobj = NULL;
 173
 174     if (pOuter)
 175         return CLASS_E_NOAGGREGATION;
 176
 177     r = This->pCreateInstance( &This->clsid, pOuter, (void**) &punk );
 178     if (FAILED(r))
 179         return r;
 180
 181     r = IUnknown_QueryInterface( punk, riid, ppobj );
 182     IUnknown_Release( punk );
 183     return r;
 184 }
 185
 186 static const struct IClassFactoryVtbl ClassFactoryVtbl =
 187 {
 188     ClassFactory_QueryInterface,
 189     ClassFactory_AddRef,
 190     ClassFactory_Release,
 191     ClassFactory_CreateInstance,
 192     ClassFactory_LockServer
 193 };
 194
 195 static const struct IClassFactoryVtbl DOMClassFactoryVtbl =
 196 {
 197     ClassFactory_QueryInterface,
 198     DOMClassFactory_AddRef,
 199     DOMClassFactory_Release,
 200     DOMClassFactory_CreateInstance,
 201     ClassFactory_LockServer
 202 };
 203
 204 static HRESULT DOMClassFactory_Create(const GUID *clsid, REFIID riid, void **ppv, DOMFactoryCreateInstanceFunc fnCreateInstance)
 205 {
 206     DOMFactory *ret = heap_alloc(sizeof(DOMFactory));
 207     HRESULT hres;
 208
 209     ret->IClassFactory_iface.lpVtbl = &DOMClassFactoryVtbl;
 210     ret->ref = 0;
 211     ret->clsid = *clsid;
 212     ret->pCreateInstance = fnCreateInstance;
 213
 214     hres = IClassFactory_QueryInterface(&ret->IClassFactory_iface, riid, ppv);
 215     if(FAILED(hres)) {
 216         heap_free(ret);
 217         *ppv = NULL;
 218     }
 219     return hres;
 220 }
 221
 222 static ClassFactory xmldoccf = { { &ClassFactoryVtbl }, XMLDocument_create };
 223 static ClassFactory saxreadcf = { { &ClassFactoryVtbl }, SAXXMLReader_create };
 224 static ClassFactory httpreqcf = { { &ClassFactoryVtbl }, XMLHTTPRequest_create };
 225 static ClassFactory xsltemplatecf = { { &ClassFactoryVtbl }, XSLTemplate_create };
 226 static ClassFactory mxwritercf = { { &ClassFactoryVtbl }, MXWriter_create };
 227
 228 /******************************************************************
 229  *              DllGetClassObject (MSXML3.@)
 230  */
 231 HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, void **ppv )
 232 {
 233     IClassFactory *cf = NULL;
 234
 235     TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv );
 236
 237     if( IsEqualCLSID( rclsid, &CLSID_DOMDocument )  ||  /* Version indep. v 2.x */
 238         IsEqualCLSID( rclsid, &CLSID_DOMDocument2 ) ||  /* Version indep. v 3.0 */
 239         IsEqualCLSID( rclsid, &CLSID_DOMDocument26 )||  /* Version dep.   v 2.6 */
 240         IsEqualCLSID( rclsid, &CLSID_DOMDocument30 )||  /* Version dep.   v 3.0 */
 241         IsEqualCLSID( rclsid, &CLSID_DOMDocument40 )||  /* Version dep.   v 4.0 */
 242         IsEqualCLSID( rclsid, &CLSID_DOMDocument60 ))   /* Version dep.   v 6.0 */
 243     {
 244         return DOMClassFactory_Create(rclsid, riid, ppv, DOMDocument_create);
 245     }
 246     else if( IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache )   ||
 247              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache26 ) ||
 248              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache30 ) ||
 249              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache40 ) ||
 250              IsEqualCLSID( rclsid, &CLSID_XMLSchemaCache60 ))
 251     {
 252         return DOMClassFactory_Create(rclsid, riid, ppv, SchemaCache_create);
 253     }
 254     else if( IsEqualCLSID( rclsid, &CLSID_XMLDocument ) )
 255     {
 256         cf = &xmldoccf.IClassFactory_iface;
 257     }
 258     else if( IsEqualCLSID( rclsid, &CLSID_DOMFreeThreadedDocument )   ||   /* Version indep. v 2.x */
 259              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument )   ||
 260              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument26 ) ||
 261              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument30 ) ||
 262              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument40 ) ||
 263              IsEqualCLSID( rclsid, &CLSID_FreeThreadedDOMDocument60 ))
 264     {
 265         return DOMClassFactory_Create(rclsid, riid, ppv, DOMDocument_create);
 266     }
 267     else if( IsEqualCLSID( rclsid, &CLSID_SAXXMLReader) ||
 268              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader30 ) ||
 269              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader40 ) ||
 270              IsEqualCLSID( rclsid, &CLSID_SAXXMLReader60 ))
 271     {
 272         cf = &saxreadcf.IClassFactory_iface;
 273     }
 274     else if( IsEqualCLSID( rclsid, &CLSID_XMLHTTPRequest ) ||
 275              IsEqualCLSID( rclsid, &CLSID_XMLHTTP) ||
 276              IsEqualCLSID( rclsid, &CLSID_XMLHTTP26 ) ||
 277              IsEqualCLSID( rclsid, &CLSID_XMLHTTP30 ) ||
 278              IsEqualCLSID( rclsid, &CLSID_XMLHTTP40 ) ||
 279              IsEqualCLSID( rclsid, &CLSID_XMLHTTP60 ))
 280     {
 281         cf = &httpreqcf.IClassFactory_iface;
 282     }
 283     else if( IsEqualCLSID( rclsid, &CLSID_XSLTemplate )   ||
 284              IsEqualCLSID( rclsid, &CLSID_XSLTemplate26 ) ||
 285              IsEqualCLSID( rclsid, &CLSID_XSLTemplate30 ) ||
 286              IsEqualCLSID( rclsid, &CLSID_XSLTemplate40 ) ||
 287              IsEqualCLSID( rclsid, &CLSID_XSLTemplate60 ))
 288     {
 289         cf = &xsltemplatecf.IClassFactory_iface;
 290     }
 291     else if( IsEqualCLSID( rclsid, &CLSID_MXXMLWriter )   ||
 292              IsEqualCLSID( rclsid, &CLSID_MXXMLWriter30 ) ||
 293              IsEqualCLSID( rclsid, &CLSID_MXXMLWriter40 ) ||
 294              IsEqualCLSID( rclsid, &CLSID_MXXMLWriter60 ) )
 295     {
 296         cf = &mxwritercf.IClassFactory_iface;
 297     }
 298
 299     if ( !cf )
 300         return CLASS_E_CLASSNOTAVAILABLE;
 301
 302     return IClassFactory_QueryInterface( cf, riid, ppv );
 303 }