83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
		
		
			
		
	
	
			83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
|  | // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
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|  | // (C) Copyright 2003-2007 Jonathan Turkanis
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|  | // Distributed under the Boost Software License, Version 1.0. (See accompanying
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|  | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
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|  | 
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|  | // See http://www.boost.org/libs/iostreams for documentation.
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|  | 
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|  | #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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|  | #define BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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|  | 
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|  | #if defined(_MSC_VER)
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|  | # pragma once
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|  | #endif
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|  | 
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|  | #include <boost/config.hpp>  // DEDUCED_TYPENAME, MSVC.
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|  | #include <boost/detail/workaround.hpp>
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|  | #include <boost/iostreams/detail/dispatch.hpp>
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|  | #include <boost/iostreams/detail/streambuf.hpp>
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|  | #include <boost/iostreams/detail/wrap_unwrap.hpp>
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|  | #include <boost/iostreams/operations_fwd.hpp>
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|  | #include <boost/mpl/if.hpp>
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|  | 
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|  | // Must come last.
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|  | #include <boost/iostreams/detail/config/disable_warnings.hpp>
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|  | 
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|  | namespace boost { namespace iostreams {  | ||
|  | 
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|  | namespace detail { | ||
|  | 
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|  | // Implementation templates for simulated tag dispatch.
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|  | template<typename T>  | ||
|  | struct imbue_impl; | ||
|  | 
 | ||
|  | } // End namespace detail.
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|  | 
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|  | template<typename T, typename Locale> | ||
|  | void imbue(T& t, const Locale& loc) | ||
|  | { detail::imbue_impl<T>::imbue(detail::unwrap(t), loc); } | ||
|  | 
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|  | namespace detail { | ||
|  | 
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|  | //------------------Definition of imbue_impl----------------------------------//
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|  | 
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|  | template<typename T> | ||
|  | struct imbue_impl | ||
|  |     : mpl::if_< | ||
|  |           is_custom<T>, | ||
|  |           operations<T>, | ||
|  |           imbue_impl< | ||
|  |               BOOST_DEDUCED_TYPENAME | ||
|  |               dispatch< | ||
|  |                   T, streambuf_tag, localizable_tag, any_tag | ||
|  |               >::type | ||
|  |           > | ||
|  |       >::type | ||
|  |     { }; | ||
|  | 
 | ||
|  | template<> | ||
|  | struct imbue_impl<any_tag> { | ||
|  |     template<typename T, typename Locale> | ||
|  |     static void imbue(T&, const Locale&) { } | ||
|  | }; | ||
|  | 
 | ||
|  | template<> | ||
|  | struct imbue_impl<streambuf_tag> { | ||
|  |     template<typename T, typename Locale> | ||
|  |     static void imbue(T& t, const Locale& loc) { t.pubimbue(loc); } | ||
|  | }; | ||
|  | 
 | ||
|  | template<> | ||
|  | struct imbue_impl<localizable_tag> { | ||
|  |     template<typename T, typename Locale> | ||
|  |     static void imbue(T& t, const Locale& loc) { t.imbue(loc); } | ||
|  | }; | ||
|  | 
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|  | } // End namespace detail.
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|  | 
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|  | } } // End namespaces iostreams, boost.
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|  | 
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|  | #include <boost/iostreams/detail/config/enable_warnings.hpp>
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|  | 
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|  | #endif // #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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