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			108 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| Minetest
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| Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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| 
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| This program is free software; you can redistribute it and/or modify
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| it under the terms of the GNU Lesser General Public License as published by
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| the Free Software Foundation; either version 2.1 of the License, or
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| (at your option) any later version.
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| 
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| This program is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| GNU Lesser General Public License for more details.
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| 
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| You should have received a copy of the GNU Lesser General Public License along
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| with this program; if not, write to the Free Software Foundation, Inc.,
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| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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| */
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| 
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| #pragma once
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| 
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| #include "config.h" // for USE_GETTEXT
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| #include <string>
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| #include "porting.h"
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| 
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| #if USE_GETTEXT
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| 	#include <libintl.h>
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| #else
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| 	// In certain environments, some standard headers like <iomanip>
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| 	// and <locale> include libintl.h. If libintl.h is included after
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| 	// we define our gettext macro below, this causes a syntax error
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| 	// at the declaration of the gettext function in libintl.h.
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| 	// Fix this by including such a header before defining the macro.
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| 	// See issue #4446.
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| 	// Note that we can't include libintl.h directly since we're in
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| 	// the USE_GETTEXT=0 case and can't assume that gettext is installed.
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| 	#include <locale>
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| 
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| 	#define gettext(String) String
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| #endif
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| 
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| #define _(String) gettext(String)
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| #define gettext_noop(String) (String)
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| #define N_(String) gettext_noop((String))
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| 
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| void init_gettext(const char *path, const std::string &configured_language,
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| 	int argc, char *argv[]);
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| 
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| extern wchar_t *utf8_to_wide_c(const char *str);
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| 
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| // The returned string must be freed using delete[]
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| inline const wchar_t *wgettext(const char *str)
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| {
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| 	// We must check here that is not an empty string to avoid trying to translate it
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| 	return str[0] ? utf8_to_wide_c(gettext(str)) : utf8_to_wide_c("");
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| }
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| 
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| inline std::string strgettext(const std::string &text)
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| {
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| 	return text.empty() ? "" : gettext(text.c_str());
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| }
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| 
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| /**
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|  * Returns translated string with format args applied
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|  *
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|  * @tparam Args Template parameter for format args
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|  * @param src Translation source string
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|  * @param args Variable format args
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|  * @return translated string
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|  */
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| template <typename ...Args>
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| inline std::wstring fwgettext(const char *src, Args&&... args)
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| {
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| 	wchar_t buf[255];
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| 	const wchar_t* str = wgettext(src);
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| 	swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, std::forward<Args>(args)...);
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| 	delete[] str;
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| 	return std::wstring(buf);
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| }
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| 
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| /**
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|  * Returns translated string with format args applied
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|  *
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|  * @tparam Args Template parameter for format args
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|  * @param format Translation source string
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|  * @param args Variable format args
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|  * @return translated string.
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|  */
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| template <typename ...Args>
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| inline std::string fmtgettext(const char *format, Args&&... args)
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| {
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| 	std::string buf;
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| 	std::size_t buf_size = 256;
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| 	buf.resize(buf_size);
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| 
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| 	format = gettext(format);
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| 
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| 	int len = porting::mt_snprintf(&buf[0], buf_size, format, std::forward<Args>(args)...);
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| 	if (len <= 0) throw std::runtime_error("gettext format error: " + std::string(format));
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| 	if ((size_t)len >= buf.size()) {
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| 		buf.resize(len+1); // extra null byte
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| 		porting::mt_snprintf(&buf[0], buf.size(), format, std::forward<Args>(args)...);
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| 	}
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| 	buf.resize(len); // remove null bytes
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| 
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| 	return buf;
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| }
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