69 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| // Copyright David Abrahams 2002.
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| // Distributed under the Boost Software License, Version 1.0. (See
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| // accompanying file LICENSE_1_0.txt or copy at
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| // http://www.boost.org/LICENSE_1_0.txt)
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| #ifndef POINTER_TYPE_ID_DWA2002222_HPP
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| # define POINTER_TYPE_ID_DWA2002222_HPP
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| 
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| # include <boost/python/type_id.hpp>
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| # include <boost/type_traits/composite_traits.hpp>
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| 
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| namespace boost { namespace python { namespace converter { 
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| 
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| namespace detail
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| {
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|   template <bool is_ref = false>
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|   struct pointer_typeid_select
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|   {
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|       template <class T>
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|       static inline type_info execute(T*(*)() = 0)
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|       {
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|           return type_id<T>();
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|       }
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|   };
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| 
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|   template <>
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|   struct pointer_typeid_select<true>
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|   {
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|       template <class T>
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|       static inline type_info execute(T* const volatile&(*)() = 0)
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|       {
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|           return type_id<T>();
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|       }
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|     
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|       template <class T>
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|       static inline type_info execute(T*volatile&(*)() = 0)
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|       {
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|           return type_id<T>();
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|       }
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|     
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|       template <class T>
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|       static inline type_info execute(T*const&(*)() = 0)
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|       {
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|           return type_id<T>();
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|       }
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| 
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|       template <class T>
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|       static inline type_info execute(T*&(*)() = 0)
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|       {
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|           return type_id<T>();
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|       }
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|   };
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| }
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| 
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| // Usage: pointer_type_id<T>()
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| //
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| // Returns a type_info associated with the type pointed
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| // to by T, which may be a pointer or a reference to a pointer.
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| template <class T>
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| type_info pointer_type_id(T(*)() = 0)
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| {
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|     return detail::pointer_typeid_select<
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|           is_reference<T>::value
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|         >::execute((T(*)())0);
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| }
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| 
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| }}} // namespace boost::python::converter
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| 
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| #endif // POINTER_TYPE_ID_DWA2002222_HPP
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