dlls/msxml3/main.c

   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 #include "config.h"
  23
  24 #define COBJMACROS
  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 "msxml2.h"
  33
  34 #include "wine/debug.h"
  35
  36 #include "msxml_private.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  39
  40 static HINSTANCE hInstance;
  41 static ITypeLib *typelib;
  42 static ITypeInfo *typeinfos[LAST_tid];
  43
  44 static REFIID tid_ids[] = {
  45     &IID_IXMLDOMAttribute,
  46     &IID_IXMLDOMCDATASection,
  47     &IID_IXMLDOMComment,
  48     &IID_IXMLDOMDocument2,
  49     &IID_IXMLDOMDocumentFragment,
  50     &IID_IXMLDOMElement,
  51     &IID_IXMLDOMEntityReference,
  52     &IID_IXMLDOMImplementation,
  53     &IID_IXMLDOMNamedNodeMap,
  54     &IID_IXMLDOMNodeList,
  55     &IID_IXMLDOMParseError,
  56     &IID_IXMLDOMProcessingInstruction,
  57     &IID_IXMLDOMSchemaCollection,
  58     &IID_IXMLDOMText,
  59     &IID_IXMLElement,
  60     &IID_IXMLDOMDocument,
  61     &IID_IVBSAXAttributes,
  62     &IID_IVBSAXContentHandler,
  63     &IID_IVBSAXDeclHandler,
  64     &IID_IVBSAXDTDHandler,
  65     &IID_IVBSAXEntityResolver,
  66     &IID_IVBSAXErrorHandler,
  67     &IID_IVBSAXLexicalHandler,
  68     &IID_IVBSAXLocator,
  69     &IID_IVBSAXXMLFilter,
  70     &IID_IVBSAXXMLReader,
  71     &IID_IMXAttributes,
  72     &IID_IMXReaderControl,
  73     &IID_IMXWriter,
  74 };
  75
  76 HRESULT get_typeinfo(enum tid_t tid, ITypeInfo **typeinfo)
  77 {
  78     HRESULT hres;
  79
  80     if(!typelib) {
  81         ITypeLib *tl;
  82
  83         hres = LoadRegTypeLib(&LIBID_MSXML2, 3, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  84         if(FAILED(hres)) {
  85             ERR("LoadRegTypeLib failed: %08x\n", hres);
  86             return hres;
  87         }
  88
  89         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
  90             ITypeLib_Release(tl);
  91     }
  92
  93     if(!typeinfos[tid]) {
  94         ITypeInfo *typeinfo;
  95
  96         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
  97         if(FAILED(hres)) {
  98             ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
  99             return hres;
 100         }
 101
 102         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 103             ITypeInfo_Release(typeinfo);
 104     }
 105
 106     *typeinfo = typeinfos[tid];
 107
 108     ITypeInfo_AddRef(typeinfos[tid]);
 109     return S_OK;
 110 }
 111
 112 static CRITICAL_SECTION MSXML3_typelib_cs;
 113 static CRITICAL_SECTION_DEBUG MSXML3_typelib_cs_debug =
 114 {
 115     0, 0, &MSXML3_typelib_cs,
 116     { &MSXML3_typelib_cs_debug.ProcessLocksList,
 117       &MSXML3_typelib_cs_debug.ProcessLocksList },
 118       0, 0, { (DWORD_PTR)(__FILE__ ": MSXML3_typelib_cs") }
 119 };
 120 static CRITICAL_SECTION MSXML3_typelib_cs = { &MSXML3_typelib_cs_debug, -1, 0, 0, 0, 0 };
 121
 122 ITypeLib *get_msxml3_typelib( LPWSTR *path )
 123 {
 124     static WCHAR msxml3_path[MAX_PATH];
 125
 126     EnterCriticalSection( &MSXML3_typelib_cs );
 127
 128     if (!typelib)
 129     {
 130         TRACE("loading typelib\n");
 131
 132         if (GetModuleFileNameW( hInstance, msxml3_path, MAX_PATH ))
 133             LoadTypeLib( msxml3_path, &typelib );
 134     }
 135
 136     LeaveCriticalSection( &MSXML3_typelib_cs );
 137
 138     if (path)
 139         *path = msxml3_path;
 140
 141     if (typelib)
 142         ITypeLib_AddRef( typelib );
 143
 144     return typelib;
 145 }
 146
 147 static void process_detach(void)
 148 {
 149     if(typelib) {
 150         unsigned i;
 151
 152         for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 153             if(typeinfos[i])
 154                 ITypeInfo_Release(typeinfos[i]);
 155
 156         ITypeLib_Release(typelib);
 157     }
 158 }
 159
 160 HRESULT WINAPI DllCanUnloadNow(void)
 161 {
 162     FIXME("\n");
 163     return S_FALSE;
 164 }
 165
 166 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 167 {
 168     switch(fdwReason)
 169     {
 170     case DLL_PROCESS_ATTACH:
 171 #ifdef HAVE_LIBXML2
 172         xmlInitParser();
 173 #endif
 174         hInstance = hInstDLL;
 175         DisableThreadLibraryCalls(hInstDLL);
 176         break;
 177     case DLL_PROCESS_DETACH:
 178 #ifdef HAVE_LIBXML2
 179         xmlCleanupParser();
 180         process_detach();
 181 #endif
 182         break;
 183     }
 184     return TRUE;
 185 }