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 "config/configuration.h"
  32 #  include <vlc_charset.h>
  33 # endif
  34 #endif
  35
  36 int vlc_bindtextdomain (const char *domain)
  37 {
  38 #if defined (ENABLE_NLS)
  39     /* Specify where to find the locales for current domain */
  40 # if !defined (__APPLE__) && !defined (WIN32) && !defined(__OS2__)
  41     static const char path[] = LOCALEDIR;
  42
  43     if (bindtextdomain (domain, path) == NULL)
  44     {
  45         fprintf (stderr, "%s: text domain not found in %s\n", domain, path);
  46         return -1;
  47     }
  48 # else
  49     char *datadir = config_GetDataDirDefault();
  50     if (unlikely(datadir == NULL))
  51         return -1;
  52
  53     char *upath;
  54     int ret = asprintf (&upath, "%s" DIR_SEP "locale", datadir);
  55     free (datadir);
  56     if (unlikely(ret == -1))
  57         return -1;
  58
  59     char *lpath = ToLocaleDup (upath);
  60     if (lpath == NULL || bindtextdomain (domain, lpath) == NULL)
  61     {
  62         free (lpath);
  63         fprintf (stderr, "%s: text domain not found in %s\n", domain, upath);
  64         free (upath);
  65         return -1;
  66     }
  67     free (lpath);
  68     free (upath);
  69 # endif
  70
  71     /* LibVLC wants all messages in UTF-8.
  72      * Unfortunately, we cannot ask UTF-8 for strerror_r(), strsignal_r()
  73      * and other functions that are not part of our text domain.
  74      */
  75     if (bind_textdomain_codeset (PACKAGE_NAME, "UTF-8") == NULL)
  76     {
  77         fprintf (stderr, "%s: UTF-8 encoding bot available\n", domain);
  78         // Unbinds the text domain to avoid broken encoding
  79         bindtextdomain (PACKAGE_NAME, "/DOES_NOT_EXIST");
  80         return -1;
  81     }
  82
  83     /* LibVLC does NOT set the default textdomain, since it is a library.
  84      * This could otherwise break programs using LibVLC (other than VLC).
  85      * textdomain (PACKAGE_NAME);
  86      */
  87
  88 #else /* !ENABLE_NLS */
  89     (void)domain;
  90 #endif
  91
  92     return 0;
  93 }
  94
  95 /**
  96  * In-tree plugins share their gettext domain with LibVLC.
  97  */
  98 char *vlc_gettext (const char *msgid)
  99 {
 100 #ifdef ENABLE_NLS
 101     if (unlikely(!*msgid))
 102         return (char *)"";
 103     return dgettext (PACKAGE_NAME, msgid);
 104 #else
 105     return (char *)msgid;
 106 #endif
 107 }