src/gettext.h

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include "config.h" // for USE_GETTEXT
  23 #include <string>
  24
  25 #if USE_GETTEXT
  26         #include <libintl.h>
  27 #else
  28         // In certain environments, some standard headers like <iomanip>
  29         // and <locale> include libintl.h. If libintl.h is included after
  30         // we define our gettext macro below, this causes a syntax error
  31         // at the declaration of the gettext function in libintl.h.
  32         // Fix this by including such a header before defining the macro.
  33         // See issue #4446.
  34         // Note that we can't include libintl.h directly since we're in
  35         // the USE_GETTEXT=0 case and can't assume that gettext is installed.
  36         #include <locale>
  37
  38         #define gettext(String) String
  39 #endif
  40
  41 #define _(String) gettext(String)
  42 #define gettext_noop(String) (String)
  43 #define N_(String) gettext_noop((String))
  44
  45 void init_gettext(const char *path, const std::string &configured_language,
  46         int argc, char *argv[]);
  47
  48 extern wchar_t *utf8_to_wide_c(const char *str);
  49
  50 // You must free the returned string!
  51 // The returned string is allocated using new
  52 inline const wchar_t *wgettext(const char *str)
  53 {
  54         // We must check here that is not an empty string to avoid trying to translate it
  55         return str[0] ? utf8_to_wide_c(gettext(str)) : utf8_to_wide_c("");
  56 }
  57
  58 inline std::string strgettext(const std::string &text)
  59 {
  60         return text.empty() ? "" : gettext(text.c_str());
  61 }