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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 "porting.h"
- #include "util/string.h"
- #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[]);
- inline std::string strgettext(const char *str)
- {
- // We must check here that is not an empty string to avoid trying to translate it
- return str[0] ? gettext(str) : "";
- }
- inline std::string strgettext(const std::string &str)
- {
- return strgettext(str.c_str());
- }
- inline std::wstring wstrgettext(const char *str)
- {
- return utf8_to_wide(strgettext(str));
- }
- inline std::wstring wstrgettext(const std::string &str)
- {
- return wstrgettext(str.c_str());
- }
- /**
- * Returns translated string with format args applied
- *
- * @tparam Args Template parameter for format args
- * @param src Translation source string
- * @param args Variable format args
- * @return translated string
- */
- template <typename ...Args>
- inline std::wstring fwgettext(const char *src, Args&&... args)
- {
- wchar_t buf[255];
- swprintf(buf, sizeof(buf) / sizeof(wchar_t), wstrgettext(src).c_str(),
- std::forward<Args>(args)...);
- return std::wstring(buf);
- }
- /**
- * Returns translated string with format args applied
- *
- * @tparam Args Template parameter for format args
- * @param format Translation source string
- * @param args Variable format args
- * @return translated string.
- */
- template <typename ...Args>
- inline std::string fmtgettext(const char *format, Args&&... args)
- {
- std::string buf;
- std::size_t buf_size = 256;
- buf.resize(buf_size);
- format = gettext(format);
- int len = porting::mt_snprintf(&buf[0], buf_size, format, std::forward<Args>(args)...);
- if (len <= 0) throw std::runtime_error("gettext format error: " + std::string(format));
- if ((size_t)len >= buf.size()) {
- buf.resize(len+1); // extra null byte
- porting::mt_snprintf(&buf[0], buf.size(), format, std::forward<Args>(args)...);
- }
- buf.resize(len); // remove null bytes
- return buf;
- }
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