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 #include "wine/port.h"
  24
  25 #define COBJMACROS
  26
  27 #include <stdarg.h>
  28 #ifdef HAVE_LIBXML2
  29 # include <libxml/parser.h>
  30 # include <libxml/xmlerror.h>
  31 # ifdef SONAME_LIBXSLT
  32 #  ifdef HAVE_LIBXSLT_PATTERN_H
  33 #   include <libxslt/pattern.h>
  34 #  endif
  35 #  ifdef HAVE_LIBXSLT_TRANSFORM_H
  36 #   include <libxslt/transform.h>
  37 #  endif
  38 #  include <libxslt/xsltutils.h>
  39 #  include <libxslt/xsltInternals.h>
  40 # endif
  41 #endif
  42
  43 #include "windef.h"
  44 #include "winbase.h"
  45 #include "winuser.h"
  46 #include "ole2.h"
  47 #include "rpcproxy.h"
  48 #include "msxml.h"
  49 #include "msxml6.h"
  50
  51 #include "wine/unicode.h"
  52 #include "wine/debug.h"
  53 #include "wine/library.h"
  54
  55 #include "msxml_private.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  58
  59 HINSTANCE MSXML_hInstance = NULL;
  60
  61 #ifdef HAVE_LIBXML2
  62
  63 void wineXmlCallbackLog(char const* caller, xmlErrorLevel lvl, char const* msg, va_list ap)
  64 {
  65     char* buf = NULL;
  66     int len = 32, needed;
  67     enum __wine_debug_class dbcl = __WINE_DBCL_ERR;
  68     switch (lvl)
  69     {
  70         case XML_ERR_NONE:
  71             dbcl = __WINE_DBCL_TRACE;
  72             break;
  73         case XML_ERR_WARNING:
  74             dbcl = __WINE_DBCL_WARN;
  75             break;
  76         default:
  77             break;
  78     }
  79
  80     do
  81     {
  82         heap_free(buf);
  83         buf = heap_alloc(len);
  84         needed = vsnprintf(buf, len, msg, ap);
  85         if (needed == -1)
  86             len *= 2;
  87         else if (needed >= len)
  88             len = needed + 1;
  89         else
  90             needed = 0;
  91     }
  92     while (needed);
  93
  94     wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, "%s", buf);
  95     heap_free(buf);
  96 }
  97
  98 void wineXmlCallbackError(char const* caller, xmlErrorPtr err)
  99 {
 100     enum __wine_debug_class dbcl;
 101
 102     switch (err->level)
 103     {
 104     case XML_ERR_NONE:    dbcl = __WINE_DBCL_TRACE; break;
 105     case XML_ERR_WARNING: dbcl = __WINE_DBCL_WARN; break;
 106     default:              dbcl = __WINE_DBCL_ERR; break;
 107     }
 108     wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, "%s", debugstr_a(err->message));
 109 }
 110
 111 /* Support for loading xml files from a Wine Windows drive */
 112 static int wineXmlMatchCallback (char const * filename)
 113 {
 114     int nRet = 0;
 115
 116     TRACE("%s\n", filename);
 117
 118     /*
 119      * We will deal with loading XML files from the file system
 120      *   We only care about files that linux cannot find.
 121      *    e.g. C:,D: etc
 122      */
 123     if(isalpha(filename[0]) && filename[1] == ':')
 124         nRet = 1;
 125
 126     return nRet;
 127 }
 128
 129 static void *wineXmlOpenCallback (char const * filename)
 130 {
 131     BSTR sFilename = bstr_from_xmlChar( (const xmlChar*)filename);
 132     HANDLE hFile;
 133
 134     TRACE("%s\n", debugstr_w(sFilename));
 135
 136     hFile = CreateFileW(sFilename, GENERIC_READ,FILE_SHARE_READ, NULL,
 137                        OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL, NULL);
 138     if(hFile == INVALID_HANDLE_VALUE) hFile = 0;
 139     SysFreeString(sFilename);
 140     return hFile;
 141 }
 142
 143 static int wineXmlReadCallback(void * context, char * buffer, int len)
 144 {
 145     DWORD dwBytesRead;
 146
 147     TRACE("%p %s %d\n", context, buffer, len);
 148
 149     if ((context == NULL) || (buffer == NULL))
 150         return(-1);
 151
 152     if(!ReadFile( context, buffer,len, &dwBytesRead, NULL))
 153     {
 154         ERR("Failed to read file\n");
 155         return -1;
 156     }
 157
 158     TRACE("Read %d\n", dwBytesRead);
 159
 160     return dwBytesRead;
 161 }
 162
 163 static int wineXmlFileCloseCallback (void * context)
 164 {
 165     return CloseHandle(context) ? 0 : -1;
 166 }
 167
 168 #endif
 169
 170
 171 HRESULT WINAPI DllCanUnloadNow(void)
 172 {
 173     return S_FALSE;
 174 }
 175
 176
 177 void* libxslt_handle = NULL;
 178 #ifdef SONAME_LIBXSLT
 179 # define DECL_FUNCPTR(f) typeof(f) * p##f = NULL
 180 DECL_FUNCPTR(xsltApplyStylesheet);
 181 DECL_FUNCPTR(xsltCleanupGlobals);
 182 DECL_FUNCPTR(xsltFreeStylesheet);
 183 DECL_FUNCPTR(xsltParseStylesheetDoc);
 184 # undef DECL_FUNCPTR
 185 #endif
 186
 187 static void init_libxslt(void)
 188 {
 189 #ifdef SONAME_LIBXSLT
 190     void (*pxsltInit)(void); /* Missing in libxslt <= 1.1.14 */
 191
 192     libxslt_handle = wine_dlopen(SONAME_LIBXSLT, RTLD_NOW, NULL, 0);
 193     if (!libxslt_handle)
 194         return;
 195
 196 #define LOAD_FUNCPTR(f, needed) \
 197     if ((p##f = wine_dlsym(libxslt_handle, #f, NULL, 0)) == NULL) \
 198         if (needed) { WARN("Can't find symbol %s\n", #f); goto sym_not_found; }
 199     LOAD_FUNCPTR(xsltInit, 0);
 200     LOAD_FUNCPTR(xsltApplyStylesheet, 1);
 201     LOAD_FUNCPTR(xsltCleanupGlobals, 1);
 202     LOAD_FUNCPTR(xsltFreeStylesheet, 1);
 203     LOAD_FUNCPTR(xsltParseStylesheetDoc, 1);
 204 #undef LOAD_FUNCPTR
 205
 206     if (pxsltInit)
 207         pxsltInit();
 208     return;
 209
 210  sym_not_found:
 211     wine_dlclose(libxslt_handle, NULL, 0);
 212     libxslt_handle = NULL;
 213 #endif
 214 }
 215
 216
 217 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 218 {
 219     MSXML_hInstance = hInstDLL;
 220
 221     switch(fdwReason)
 222     {
 223     case DLL_PROCESS_ATTACH:
 224 #ifdef HAVE_LIBXML2
 225         xmlInitParser();
 226
 227         /* Set the default indent character to a single tab,
 228            for this thread and as default for new threads */
 229         xmlTreeIndentString = "\t";
 230         xmlThrDefTreeIndentString("\t");
 231
 232          /* Register callbacks for loading XML files */
 233         if(xmlRegisterInputCallbacks(wineXmlMatchCallback, wineXmlOpenCallback,
 234                             wineXmlReadCallback, wineXmlFileCloseCallback) == -1)
 235             WARN("Failed to register callbacks\n");
 236
 237         schemasInit();
 238 #endif
 239         init_libxslt();
 240         DisableThreadLibraryCalls(hInstDLL);
 241         break;
 242     case DLL_PROCESS_DETACH:
 243 #ifdef SONAME_LIBXSLT
 244         if (libxslt_handle)
 245         {
 246             pxsltCleanupGlobals();
 247             wine_dlclose(libxslt_handle, NULL, 0);
 248             libxslt_handle = NULL;
 249         }
 250 #endif
 251 #ifdef HAVE_LIBXML2
 252         /* Restore default Callbacks */
 253         xmlCleanupInputCallbacks();
 254         xmlRegisterDefaultInputCallbacks();
 255
 256         xmlCleanupParser();
 257         schemasCleanup();
 258 #endif
 259         release_typelib();
 260         break;
 261     }
 262     return TRUE;
 263 }
 264
 265 const char *debugstr_variant(const VARIANT *v)
 266 {
 267     if(!v)
 268         return "(null)";
 269
 270     switch(V_VT(v)) {
 271     case VT_EMPTY:
 272         return "{VT_EMPTY}";
 273     case VT_NULL:
 274         return "{VT_NULL}";
 275     case VT_I4:
 276         return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
 277     case VT_R8:
 278         return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
 279     case VT_BSTR:
 280         return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
 281     case VT_DISPATCH:
 282         return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
 283     case VT_BOOL:
 284         return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
 285     case VT_UNKNOWN:
 286         return wine_dbg_sprintf("{VT_UNKNOWN: %p}", V_UNKNOWN(v));
 287     case VT_UINT:
 288         return wine_dbg_sprintf("{VT_UINT: %u}", V_UINT(v));
 289     case VT_BSTR|VT_BYREF:
 290         return wine_dbg_sprintf("{VT_BSTR|VT_BYREF: ptr %p, data %s}",
 291             V_BSTRREF(v), debugstr_w(V_BSTRREF(v) ? *V_BSTRREF(v) : NULL));
 292     default:
 293         return wine_dbg_sprintf("{vt %d}", V_VT(v));
 294     }
 295 }
 296
 297 /***********************************************************************
 298  *              DllRegisterServer (MSXML3.@)
 299  */
 300 HRESULT WINAPI DllRegisterServer(void)
 301 {
 302     return __wine_register_resources( MSXML_hInstance );
 303 }
 304
 305 /***********************************************************************
 306  *              DllUnregisterServer (MSXML3.@)
 307  */
 308 HRESULT WINAPI DllUnregisterServer(void)
 309 {
 310     return __wine_unregister_resources( MSXML_hInstance );
 311 }