gettext.h

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include "config.h" // for USE_GETTEXT
#include <string>
 
#if USE_GETTEXT
    #include <libintl.h>
#else
    // In certain environments, some standard headers like <iomanip>
    // and <locale> include libintl.h. If libintl.h is included after
    // we define our gettext macro below, this causes a syntax error
    // at the declaration of the gettext function in libintl.h.
    // Fix this by including such a header before defining the macro.
    // See issue #4446.
    // Note that we can't include libintl.h directly since we're in
    // the USE_GETTEXT=0 case and can't assume that gettext is installed.
    #include <locale>
 
    #define gettext(String) String
#endif
 
#define _(String) gettext(String)
#define gettext_noop(String) (String)
#define N_(String) gettext_noop((String))
 
void init_gettext(const char *path, const std::string &configured_language,
    int argc, char *argv[]);
 
extern wchar_t *utf8_to_wide_c(const char *str);
 
// You must free the returned string!
// The returned string is allocated using new
inline const wchar_t *wgettext(const char *str)
{
    // We must check here that is not an empty string to avoid trying to translate it
    return str[0] ? utf8_to_wide_c(gettext(str)) : utf8_to_wide_c("");
}
 
inline std::string strgettext(const std::string &text)
{
    return text.empty() ? "" : gettext(text.c_str());
}