src/modules/textdomain.c

   1 /*****************************************************************************
   2  * textdomain.c : Modules text domain management
   3  *****************************************************************************
   4  * Copyright (C) 2010 Rémi Denis-Courmont
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "config.h"
  23 #endif
  24
  25 #include <vlc_common.h>
  26 #include "modules/modules.h"
  27
  28 #ifdef ENABLE_NLS
  29 # include <libintl.h>
  30 # if defined (__APPLE__) || defined (WIN32) || defined(__OS2__)
  31 #  include <vlc_charset.h>
  32 # endif
  33 #endif
  34
  35 int vlc_bindtextdomain (const char *domain)
  36 {
  37 #if defined (ENABLE_NLS)
  38     /* Specify where to find the locales for current domain */
  39 # if !defined (__APPLE__) && !defined (WIN32) && !defined(__OS2__)
  40     static const char path[] = LOCALEDIR;
  41
  42     if (bindtextdomain (domain, path) == NULL)
  43     {
  44         fprintf (stderr, "%s: text domain not found in %s\n", domain, path);
  45         return -1;
  46     }
  47 # else
  48     char *datadir = config_GetDataDir();
  49     if (unlikely(datadir == NULL))
  50         return -1;
  51
  52     char *upath;
  53     int ret = asprintf (&upath, "%s" DIR_SEP "locale", datadir);
  54     free (datadir);
  55     if (unlikely(ret == -1))
  56         return -1;
  57
  58     char *lpath = ToLocaleDup (upath);
  59     if (lpath == NULL || bindtextdomain (domain, lpath) == NULL)
  60     {
  61         free (lpath);
  62         fprintf (stderr, "%s: text domain not found in %s\n", domain, upath);
  63         free (upath);
  64         return -1;
  65     }
  66     free (lpath);
  67     free (upath);
  68 # endif
  69
  70     /* LibVLC wants all messages in UTF-8.
  71      * Unfortunately, we cannot ask UTF-8 for strerror_r(), strsignal_r()
  72      * and other functions that are not part of our text domain.
  73      */
  74     if (bind_textdomain_codeset (PACKAGE_NAME, "UTF-8") == NULL)
  75     {
  76         fprintf (stderr, "%s: UTF-8 encoding bot available\n", domain);
  77         // Unbinds the text domain to avoid broken encoding
  78         bindtextdomain (PACKAGE_NAME, "/DOES_NOT_EXIST");
  79         return -1;
  80     }
  81
  82     /* LibVLC does NOT set the default textdomain, since it is a library.
  83      * This could otherwise break programs using LibVLC (other than VLC).
  84      * textdomain (PACKAGE_NAME);
  85      */
  86
  87 #else /* !ENABLE_NLS */
  88     (void)domain;
  89 #endif
  90
  91     return 0;
  92 }
  93
  94 /**
  95  * In-tree plugins share their gettext domain with LibVLC.
  96  */
  97 char *vlc_gettext (const char *msgid)
  98 {
  99 #ifdef ENABLE_NLS
 100     if (unlikely(!*msgid))
 101         return (char *)"";
 102     return dgettext (PACKAGE_NAME, msgid);
 103 #else
 104     return (char *)msgid;
 105 #endif
 106 }