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