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 #ifdef HAVE_LIBXSLT
  39 #include <libxslt/xslt.h>
  40 #endif
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  43
  44 static HINSTANCE hInstance;
  45 static ITypeLib *typelib;
  46 static ITypeInfo *typeinfos[LAST_tid];
  47
  48 static REFIID tid_ids[] = {
  49     &IID_IXMLDOMAttribute,
  50     &IID_IXMLDOMCDATASection,
  51     &IID_IXMLDOMComment,
  52     &IID_IXMLDOMDocument2,
  53     &IID_IXMLDOMDocumentFragment,
  54     &IID_IXMLDOMElement,
  55     &IID_IXMLDOMEntityReference,
  56     &IID_IXMLDOMImplementation,
  57     &IID_IXMLDOMNamedNodeMap,
  58     &IID_IXMLDOMNodeList,
  59     &IID_IXMLDOMParseError,
  60     &IID_IXMLDOMProcessingInstruction,
  61     &IID_IXMLDOMSchemaCollection,
  62     &IID_IXMLDOMText,
  63     &IID_IXMLElement,
  64     &IID_IXMLDOMDocument,
  65     &IID_IVBSAXAttributes,
  66     &IID_IVBSAXContentHandler,
  67     &IID_IVBSAXDeclHandler,
  68     &IID_IVBSAXDTDHandler,
  69     &IID_IVBSAXEntityResolver,
  70     &IID_IVBSAXErrorHandler,
  71     &IID_IVBSAXLexicalHandler,
  72     &IID_IVBSAXLocator,
  73     &IID_IVBSAXXMLFilter,
  74     &IID_IVBSAXXMLReader,
  75     &IID_IMXAttributes,
  76     &IID_IMXReaderControl,
  77     &IID_IMXWriter,
  78 };
  79
  80 HRESULT get_typeinfo(enum tid_t tid, ITypeInfo **typeinfo)
  81 {
  82     HRESULT hres;
  83
  84     if(!typelib) {
  85         ITypeLib *tl;
  86
  87         hres = LoadRegTypeLib(&LIBID_MSXML2, 3, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  88         if(FAILED(hres)) {
  89             ERR("LoadRegTypeLib failed: %08x\n", hres);
  90             return hres;
  91         }
  92
  93         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
  94             ITypeLib_Release(tl);
  95     }
  96
  97     if(!typeinfos[tid]) {
  98         ITypeInfo *typeinfo;
  99
 100         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 101         if(FAILED(hres)) {
 102             ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 103             return hres;
 104         }
 105
 106         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 107             ITypeInfo_Release(typeinfo);
 108     }
 109
 110     *typeinfo = typeinfos[tid];
 111
 112     ITypeInfo_AddRef(typeinfos[tid]);
 113     return S_OK;
 114 }
 115
 116 static CRITICAL_SECTION MSXML3_typelib_cs;
 117 static CRITICAL_SECTION_DEBUG MSXML3_typelib_cs_debug =
 118 {
 119     0, 0, &MSXML3_typelib_cs,
 120     { &MSXML3_typelib_cs_debug.ProcessLocksList,
 121       &MSXML3_typelib_cs_debug.ProcessLocksList },
 122       0, 0, { (DWORD_PTR)(__FILE__ ": MSXML3_typelib_cs") }
 123 };
 124 static CRITICAL_SECTION MSXML3_typelib_cs = { &MSXML3_typelib_cs_debug, -1, 0, 0, 0, 0 };
 125
 126 ITypeLib *get_msxml3_typelib( LPWSTR *path )
 127 {
 128     static WCHAR msxml3_path[MAX_PATH];
 129
 130     EnterCriticalSection( &MSXML3_typelib_cs );
 131
 132     if (!typelib)
 133     {
 134         TRACE("loading typelib\n");
 135
 136         if (GetModuleFileNameW( hInstance, msxml3_path, MAX_PATH ))
 137             LoadTypeLib( msxml3_path, &typelib );
 138     }
 139
 140     LeaveCriticalSection( &MSXML3_typelib_cs );
 141
 142     if (path)
 143         *path = msxml3_path;
 144
 145     if (typelib)
 146         ITypeLib_AddRef( typelib );
 147
 148     return typelib;
 149 }
 150
 151 static void process_detach(void)
 152 {
 153     if(typelib) {
 154         unsigned i;
 155
 156         for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 157             if(typeinfos[i])
 158                 ITypeInfo_Release(typeinfos[i]);
 159
 160         ITypeLib_Release(typelib);
 161     }
 162 }
 163
 164 HRESULT WINAPI DllCanUnloadNow(void)
 165 {
 166     FIXME("\n");
 167     return S_FALSE;
 168 }
 169
 170 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 171 {
 172     switch(fdwReason)
 173     {
 174     case DLL_PROCESS_ATTACH:
 175 #ifdef HAVE_LIBXML2
 176         xmlInitParser();
 177 #endif
 178 #ifdef HAVE_XSLTINIT
 179         xsltInit();
 180 #endif
 181         hInstance = hInstDLL;
 182         DisableThreadLibraryCalls(hInstDLL);
 183         break;
 184     case DLL_PROCESS_DETACH:
 185 #ifdef HAVE_LIBXSLT
 186         xsltCleanupGlobals();
 187 #endif
 188 #ifdef HAVE_LIBXML2
 189         xmlCleanupParser();
 190         process_detach();
 191 #endif
 192         break;
 193     }
 194     return TRUE;
 195 }