dll/win32/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/imports.h>
  39 #  include <libxslt/xsltutils.h>
  40 #  include <libxslt/variables.h>
  41 #  include <libxslt/xsltInternals.h>
  42 #  include <libxslt/documents.h>
  43 #  include <libxslt/extensions.h>
  44 #  include <libxslt/extra.h>
  45 # endif
  46 #endif
  47
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "winuser.h"
  51 #include "ole2.h"
  52 #include "rpcproxy.h"
  53 #include "msxml.h"
  54 #include "msxml6.h"
  55
  56 #include "wine/unicode.h"
  57 #include "wine/debug.h"
  58 #include "wine/library.h"
  59
  60 #include "msxml_private.h"
  61
  62 HINSTANCE MSXML_hInstance = NULL;
  63
  64 #ifdef HAVE_LIBXML2
  65
  66 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
  67
  68 void wineXmlCallbackLog(char const* caller, xmlErrorLevel lvl, char const* msg, va_list ap)
  69 {
  70     enum __wine_debug_class dbcl;
  71     char buff[200];
  72     const int max_size = ARRAY_SIZE(buff);
  73     int len;
  74
  75     switch (lvl)
  76     {
  77         case XML_ERR_NONE:
  78             dbcl = __WINE_DBCL_TRACE;
  79             break;
  80         case XML_ERR_WARNING:
  81             dbcl = __WINE_DBCL_WARN;
  82             break;
  83         default:
  84             dbcl = __WINE_DBCL_ERR;
  85             break;
  86     }
  87
  88     len = vsnprintf(buff, max_size, msg, ap);
  89     if (len == -1 || len >= max_size) buff[max_size-1] = 0;
  90
  91     wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, "%s", buff);
  92 }
  93
  94 void wineXmlCallbackError(char const* caller, xmlErrorPtr err)
  95 {
  96     enum __wine_debug_class dbcl;
  97
  98     switch (err->level)
  99     {
 100     case XML_ERR_NONE:    dbcl = __WINE_DBCL_TRACE; break;
 101     case XML_ERR_WARNING: dbcl = __WINE_DBCL_WARN; break;
 102     default:              dbcl = __WINE_DBCL_ERR; break;
 103     }
 104
 105     wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, "error code %d", err->code);
 106     if (err->message)
 107         wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, ": %s", err->message);
 108     else
 109         wine_dbg_log(dbcl, &__wine_dbch_msxml, caller, "\n");
 110 }
 111
 112 /* Support for loading xml files from a Wine Windows drive */
 113 static int wineXmlMatchCallback (char const * filename)
 114 {
 115     int nRet = 0;
 116
 117     TRACE("%s\n", filename);
 118
 119     /*
 120      * We will deal with loading XML files from the file system
 121      *   We only care about files that linux cannot find.
 122      *    e.g. C:,D: etc
 123      */
 124     if(isalpha(filename[0]) && filename[1] == ':')
 125         nRet = 1;
 126
 127     return nRet;
 128 }
 129
 130 static void *wineXmlOpenCallback (char const * filename)
 131 {
 132     BSTR sFilename = bstr_from_xmlChar( (const xmlChar*)filename);
 133     HANDLE hFile;
 134
 135     TRACE("%s\n", debugstr_w(sFilename));
 136
 137     hFile = CreateFileW(sFilename, GENERIC_READ,FILE_SHARE_READ, NULL,
 138                        OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL, NULL);
 139     if(hFile == INVALID_HANDLE_VALUE) hFile = 0;
 140     SysFreeString(sFilename);
 141     return hFile;
 142 }
 143
 144 static int wineXmlReadCallback(void * context, char * buffer, int len)
 145 {
 146     DWORD dwBytesRead;
 147
 148     TRACE("%p %s %d\n", context, buffer, len);
 149
 150     if ((context == NULL) || (buffer == NULL))
 151         return(-1);
 152
 153     if(!ReadFile( context, buffer,len, &dwBytesRead, NULL))
 154     {
 155         ERR("Failed to read file\n");
 156         return -1;
 157     }
 158
 159     TRACE("Read %d\n", dwBytesRead);
 160
 161     return dwBytesRead;
 162 }
 163
 164 static int wineXmlFileCloseCallback (void * context)
 165 {
 166     return CloseHandle(context) ? 0 : -1;
 167 }
 168
 169 void* libxslt_handle = NULL;
 170 #ifdef SONAME_LIBXSLT
 171 # define DECL_FUNCPTR(f) typeof(f) * p##f = NULL
 172 DECL_FUNCPTR(xsltApplyStylesheet);
 173 DECL_FUNCPTR(xsltApplyStylesheetUser);
 174 DECL_FUNCPTR(xsltCleanupGlobals);
 175 DECL_FUNCPTR(xsltFreeStylesheet);
 176 DECL_FUNCPTR(xsltFreeTransformContext);
 177 DECL_FUNCPTR(xsltFunctionNodeSet);
 178 DECL_FUNCPTR(xsltNewTransformContext);
 179 DECL_FUNCPTR(xsltNextImport);
 180 DECL_FUNCPTR(xsltParseStylesheetDoc);
 181 DECL_FUNCPTR(xsltQuoteUserParams);
 182 DECL_FUNCPTR(xsltRegisterExtModuleFunction);
 183 DECL_FUNCPTR(xsltSaveResultTo);
 184 DECL_FUNCPTR(xsltSetLoaderFunc);
 185 # undef DECL_FUNCPTR
 186 #endif
 187
 188 static void init_libxslt(void)
 189 {
 190 #ifdef SONAME_LIBXSLT
 191     void (*pxsltInit)(void); /* Missing in libxslt <= 1.1.14 */
 192
 193     libxslt_handle = wine_dlopen(SONAME_LIBXSLT, RTLD_NOW, NULL, 0);
 194     if (!libxslt_handle)
 195         return;
 196
 197 #define LOAD_FUNCPTR(f, needed) \
 198     if ((p##f = wine_dlsym(libxslt_handle, #f, NULL, 0)) == NULL) \
 199         if (needed) { WARN("Can't find symbol %s\n", #f); goto sym_not_found; }
 200     LOAD_FUNCPTR(xsltInit, 0);
 201     LOAD_FUNCPTR(xsltApplyStylesheet, 1);
 202     LOAD_FUNCPTR(xsltApplyStylesheetUser, 1);
 203     LOAD_FUNCPTR(xsltCleanupGlobals, 1);
 204     LOAD_FUNCPTR(xsltFreeStylesheet, 1);
 205     LOAD_FUNCPTR(xsltFreeTransformContext, 1);
 206     LOAD_FUNCPTR(xsltFunctionNodeSet, 1);
 207     LOAD_FUNCPTR(xsltNewTransformContext, 1);
 208     LOAD_FUNCPTR(xsltNextImport, 1);
 209     LOAD_FUNCPTR(xsltParseStylesheetDoc, 1);
 210     LOAD_FUNCPTR(xsltQuoteUserParams, 1);
 211     LOAD_FUNCPTR(xsltRegisterExtModuleFunction, 1);
 212     LOAD_FUNCPTR(xsltSaveResultTo, 1);
 213     LOAD_FUNCPTR(xsltSetLoaderFunc, 1);
 214 #undef LOAD_FUNCPTR
 215
 216     if (pxsltInit)
 217         pxsltInit();
 218
 219     pxsltSetLoaderFunc(xslt_doc_default_loader);
 220     pxsltRegisterExtModuleFunction(
 221         (const xmlChar *)"node-set",
 222         (const xmlChar *)"urn:schemas-microsoft-com:xslt",
 223         pxsltFunctionNodeSet);
 224
 225     return;
 226
 227  sym_not_found:
 228     wine_dlclose(libxslt_handle, NULL, 0);
 229     libxslt_handle = NULL;
 230 #endif
 231 }
 232
 233 #endif  /* HAVE_LIBXML2 */
 234
 235
 236 HRESULT WINAPI DllCanUnloadNow(void)
 237 {
 238     return S_FALSE;
 239 }
 240
 241
 242 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID reserved)
 243 {
 244     MSXML_hInstance = hInstDLL;
 245
 246     switch(fdwReason)
 247     {
 248     case DLL_PROCESS_ATTACH:
 249 #ifdef HAVE_LIBXML2
 250         xmlInitParser();
 251
 252         /* Set the default indent character to a single tab,
 253            for this thread and as default for new threads */
 254         xmlTreeIndentString = "\t";
 255         xmlThrDefTreeIndentString("\t");
 256
 257          /* Register callbacks for loading XML files */
 258         if(xmlRegisterInputCallbacks(wineXmlMatchCallback, wineXmlOpenCallback,
 259                             wineXmlReadCallback, wineXmlFileCloseCallback) == -1)
 260             WARN("Failed to register callbacks\n");
 261
 262         schemasInit();
 263         init_libxslt();
 264 #endif
 265         DisableThreadLibraryCalls(hInstDLL);
 266         break;
 267     case DLL_PROCESS_DETACH:
 268         if (reserved) break;
 269 #ifdef HAVE_LIBXML2
 270 #ifdef SONAME_LIBXSLT
 271         if (libxslt_handle)
 272         {
 273             pxsltCleanupGlobals();
 274             wine_dlclose(libxslt_handle, NULL, 0);
 275         }
 276 #endif
 277         /* Restore default Callbacks */
 278         xmlCleanupInputCallbacks();
 279         xmlRegisterDefaultInputCallbacks();
 280
 281         xmlCleanupParser();
 282         schemasCleanup();
 283 #endif
 284         release_typelib();
 285         break;
 286     }
 287     return TRUE;
 288 }
 289
 290 /***********************************************************************
 291  *              DllRegisterServer (MSXML3.@)
 292  */
 293 HRESULT WINAPI DllRegisterServer(void)
 294 {
 295     return __wine_register_resources( MSXML_hInstance );
 296 }
 297
 298 /***********************************************************************
 299  *              DllUnregisterServer (MSXML3.@)
 300  */
 301 HRESULT WINAPI DllUnregisterServer(void)
 302 {
 303     return __wine_unregister_resources( MSXML_hInstance );
 304 }