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Utf.cpp

00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
00005 //
00006 // This software is provided 'as-is', without any express or implied warranty.
00007 // In no event will the authors be held liable for any damages arising from the use of this software.
00008 //
00009 // Permission is granted to anyone to use this software for any purpose,
00010 // including commercial applications, and to alter it and redistribute it freely,
00011 // subject to the following restrictions:
00012 //
00013 // 1. The origin of this software must not be misrepresented;
00014 //    you must not claim that you wrote the original software.
00015 //    If you use this software in a product, an acknowledgment
00016 //    in the product documentation would be appreciated but is not required.
00017 //
00018 // 2. Altered source versions must be plainly marked as such,
00019 //    and must not be misrepresented as being the original software.
00020 //
00021 // 3. This notice may not be removed or altered from any source distribution.
00022 //
00024 
00026 // Headers
00028 #include <SFML/System/Utf.hpp>
00029 #include <exception>
00030 #include <string.h>
00031 
00032 
00034 // References :
00035 //
00036 // http://www.unicode.org/
00037 // http://www.unicode.org/Public/PROGRAMS/CVTUTF/ConvertUTF.c
00038 // http://www.unicode.org/Public/PROGRAMS/CVTUTF/ConvertUTF.h
00039 // http://people.w3.org/rishida/scripts/uniview/conversion
00040 //
00042 
00044 // Private data
00046 namespace
00047 {
00048     // Get the current global locale
00049     std::locale GetCurrentLocale()
00050     {
00051         try
00052         {
00053             return std::locale("");
00054         }
00055         catch (std::exception&)
00056         {
00057             // It seems that some implementations don't know the "" locale (Mac OS X, MinGW)
00058             return std::locale();
00059         }
00060     }
00061 }
00062 
00063 namespace sf
00064 {
00068 const std::locale& GetDefaultLocale()
00069 {
00070     // It seems that getting the default locale is a very expensive operation,
00071     // so we only do it once and then store the locale for reuse.
00072     // Warning: this code won't be aware of any change of the default locale during runtime.
00073 
00074     static std::locale locale = GetCurrentLocale();
00075 
00076     return locale;
00077 }
00078 
00079 } // namespace sf

 ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  ::