xref: /reactos/dll/win32/msxml3/main.c (revision 682f85ad)
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 static int to_utf8(int cp, unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
234 {
235     WCHAR *tmp;
236     int len;
237 
238     if (!in || !inlen) return 0;
239 
240     len = MultiByteToWideChar(cp, 0, (const char *)in, *inlen, NULL, 0);
241     tmp = heap_alloc(len * sizeof(WCHAR));
242     if (!tmp) return -1;
243     MultiByteToWideChar(cp, 0, (const char *)in, *inlen, tmp, len);
244 
245     len = WideCharToMultiByte(CP_UTF8, 0, tmp, len, (char *)out, *outlen, NULL, NULL);
246     heap_free(tmp);
247     if (!len) return -1;
248 
249     *outlen = len;
250     return len;
251 }
252 
253 static int from_utf8(int cp, unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
254 {
255     WCHAR *tmp;
256     int len;
257 
258     if (!in || !inlen) return 0;
259 
260     len = MultiByteToWideChar(CP_UTF8, 0, (const char *)in, *inlen, NULL, 0);
261     tmp = heap_alloc(len * sizeof(WCHAR));
262     if (!tmp) return -1;
263     MultiByteToWideChar(CP_UTF8, 0, (const char *)in, *inlen, tmp, len);
264 
265     len = WideCharToMultiByte(cp, 0, tmp, len, (char *)out, *outlen, NULL, NULL);
266     heap_free(tmp);
267     if (!len) return -1;
268 
269     *outlen = len;
270     return len;
271 }
272 
273 static int win1250_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
274 {
275     return to_utf8(1250, out, outlen, in, inlen);
276 }
277 
278 static int utf8_to_win1250(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
279 {
280     return from_utf8(1250, out, outlen, in, inlen);
281 }
282 
283 static int win1251_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
284 {
285     return to_utf8(1251, out, outlen, in, inlen);
286 }
287 
288 static int utf8_to_win1251(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
289 {
290     return from_utf8(1251, out, outlen, in, inlen);
291 }
292 
293 static int win1252_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
294 {
295     return to_utf8(1252, out, outlen, in, inlen);
296 }
297 
298 static int utf8_to_win1252(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
299 {
300     return from_utf8(1252, out, outlen, in, inlen);
301 }
302 
303 static int win1253_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
304 {
305     return to_utf8(1253, out, outlen, in, inlen);
306 }
307 
308 static int utf8_to_win1253(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
309 {
310     return from_utf8(1253, out, outlen, in, inlen);
311 }
312 static int win1254_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
313 {
314     return to_utf8(1254, out, outlen, in, inlen);
315 }
316 
317 static int utf8_to_win1254(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
318 {
319     return from_utf8(1254, out, outlen, in, inlen);
320 }
321 
322 static int win1255_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
323 {
324     return to_utf8(1255, out, outlen, in, inlen);
325 }
326 
327 static int utf8_to_win1255(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
328 {
329     return from_utf8(1255, out, outlen, in, inlen);
330 }
331 
332 static int win1256_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
333 {
334     return to_utf8(1256, out, outlen, in, inlen);
335 }
336 
337 static int utf8_to_win1256(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
338 {
339     return from_utf8(1256, out, outlen, in, inlen);
340 }
341 
342 static int win1257_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
343 {
344     return to_utf8(1257, out, outlen, in, inlen);
345 }
346 
347 static int utf8_to_win1257(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
348 {
349     return from_utf8(1257, out, outlen, in, inlen);
350 }
351 
352 static int win1258_to_utf8(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
353 {
354     return to_utf8(1258, out, outlen, in, inlen);
355 }
356 
357 static int utf8_to_win1258(unsigned char *out, int *outlen, const unsigned char *in, int *inlen)
358 {
359     return from_utf8(1258, out, outlen, in, inlen);
360 }
361 
362 static void init_char_encoders(void)
363 {
364     static const struct
365     {
366         const char *encoding;
367         xmlCharEncodingInputFunc input;
368         xmlCharEncodingOutputFunc output;
369     } encoder[] =
370     {
371         { "windows-1250", win1250_to_utf8, utf8_to_win1250 },
372         { "windows-1251", win1251_to_utf8, utf8_to_win1251 },
373         { "windows-1252", win1252_to_utf8, utf8_to_win1252 },
374         { "windows-1253", win1253_to_utf8, utf8_to_win1253 },
375         { "windows-1254", win1254_to_utf8, utf8_to_win1254 },
376         { "windows-1255", win1255_to_utf8, utf8_to_win1255 },
377         { "windows-1256", win1256_to_utf8, utf8_to_win1256 },
378         { "windows-1257", win1257_to_utf8, utf8_to_win1257 },
379         { "windows-1258", win1258_to_utf8, utf8_to_win1258 }
380     };
381     int i;
382 
383     xmlInitCharEncodingHandlers();
384 
385     for (i = 0; i < ARRAY_SIZE(encoder); i++)
386     {
387         if (!xmlFindCharEncodingHandler(encoder[i].encoding))
388         {
389             TRACE("Adding %s encoding handler\n", encoder[i].encoding);
390             xmlNewCharEncodingHandler(encoder[i].encoding, encoder[i].input, encoder[i].output);
391         }
392     }
393 }
394 
395 #endif  /* HAVE_LIBXML2 */
396 
397 
398 HRESULT WINAPI DllCanUnloadNow(void)
399 {
400     return S_FALSE;
401 }
402 
403 
404 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID reserved)
405 {
406     MSXML_hInstance = hInstDLL;
407 
408     switch(fdwReason)
409     {
410     case DLL_PROCESS_ATTACH:
411 #ifdef HAVE_LIBXML2
412         xmlInitParser();
413 
414         /* Set the default indent character to a single tab,
415            for this thread and as default for new threads */
416         xmlTreeIndentString = "\t";
417         xmlThrDefTreeIndentString("\t");
418 
419          /* Register callbacks for loading XML files */
420         if(xmlRegisterInputCallbacks(wineXmlMatchCallback, wineXmlOpenCallback,
421                             wineXmlReadCallback, wineXmlFileCloseCallback) == -1)
422             WARN("Failed to register callbacks\n");
423 
424         init_char_encoders();
425 
426         schemasInit();
427         init_libxslt();
428 #endif
429         DisableThreadLibraryCalls(hInstDLL);
430         break;
431     case DLL_PROCESS_DETACH:
432         if (reserved) break;
433 #ifdef HAVE_LIBXML2
434 #ifdef SONAME_LIBXSLT
435         if (libxslt_handle)
436         {
437             pxsltCleanupGlobals();
438             wine_dlclose(libxslt_handle, NULL, 0);
439         }
440 #endif
441         /* Restore default Callbacks */
442         xmlCleanupInputCallbacks();
443         xmlRegisterDefaultInputCallbacks();
444 
445         xmlCleanupParser();
446         schemasCleanup();
447 #endif
448         release_typelib();
449         break;
450     }
451     return TRUE;
452 }
453 
454 /***********************************************************************
455  *		DllRegisterServer (MSXML3.@)
456  */
457 HRESULT WINAPI DllRegisterServer(void)
458 {
459     return __wine_register_resources( MSXML_hInstance );
460 }
461 
462 /***********************************************************************
463  *		DllUnregisterServer (MSXML3.@)
464  */
465 HRESULT WINAPI DllUnregisterServer(void)
466 {
467     return __wine_unregister_resources( MSXML_hInstance );
468 }
469