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CommonPolicySelector.h

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00001 /*******************************************************************************
00002  *
00003  * Copyright (c) 2010 Philipp Werner <philipp.werner@st.ovgu.de>
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00010  *    * Redistributions of source code must retain the above copyright
00011  *      notice, this list of conditions and the following disclaimer.
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00013  *    * Redistributions in binary form must reproduce the above copyright
00014  *      notice, this list of conditions and the following disclaimer in
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00016  *      distribution.
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00018  *    * Neither the name of the copyright holders nor the names of
00019  *      contributors may be used to endorse or promote products derived
00020  *      from this software without specific prior written permission.
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00023  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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00039 
00040 
00041 #ifndef __COMMONPOLICYSELECTOR_H_1CE3B933BD15F0__
00042 #define __COMMONPOLICYSELECTOR_H_1CE3B933BD15F0__
00043 
00044 
00045 #include "config/type_traits/if_contains_select_type.h"
00046 #include "config/type_traits/if_select_type.h"
00047 
00048 #include "assert/staticerror.h"
00049 
00050 #include "object/Allocator.h"
00051 #include "mw/afp/shared/OverflowErrorChecking.h"
00052 #include "mw/afp/SizeProperties.h"
00053 #include "mw/afp/EmptyType.h"
00054 
00055 
00056 namespace famouso {
00057     namespace mw {
00058         namespace afp {
00059 
00060 
00061             IF_CONTAINS_SELECT_TYPE_(Allocator);
00062             IF_CONTAINS_SELECT_TYPE_(SizeProperties);
00063 
00064 
00065             template <typename Config>
00066             struct CommonPolicySelector {
00068                 typedef typename if_select_type<
00069                             Config::overflow_error_checking,
00070                             shared::OverflowErrorChecking,          // Full overflow checking
00071                             shared::NoOverflowErrorChecking         // Reduced error checking
00072                         >::type OverflowErrorChecking;
00073 
00075                 typedef typename if_contains_select_type_Allocator<
00076                             Config,                                 // If Config contains type Allocator,
00077                                                                     // return it (user defined allocator)
00078                             object::Allocator                       // Else use default allocator
00079                         >::type Allocator;
00080 
00082                 typedef typename if_contains_select_type_SizeProperties<
00083                             Config,                                 // If Config contains type SizeProperties,
00084                                                                     // return it (user defined size properties)
00085                             DefaultEventSizeProp                    // Size types working for all valid events (default event type)
00086                         >::type SizeProp;
00087 
00088                 FAMOUSO_STATIC_ASSERT_ERROR(sizeof(typename SizeProp::flen_t) <= sizeof(typename SizeProp::elen_t),
00089                                             invalid_SizeProperties__event_length_type_smaller_than_fragment_length_type,
00090                                             (SizeProp));
00091             };
00092 
00093 
00094         } // namespace afp
00095     } // namespace mw
00096 } // namespace famouso
00097 
00098 #endif // __COMMONPOLICYSELECTOR_H_1CE3B933BD15F0__
00099