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relational_operators.h

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00001 /*******************************************************************************
00002  *
00003  * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
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00018  *    * Neither the name of the copyright holders nor the names of
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00039 
00040 #ifndef __RunTimeFilterExpressions_relational_operators_h__
00041 #define __RunTimeFilterExpressions_relational_operators_h__
00042 
00043 #include "mw/attributes/filter/greater_than.h"
00044 #include "mw/attributes/filter/greater_than_or_equal_to.h"
00045 #include "mw/attributes/filter/less_than.h"
00046 #include "mw/attributes/filter/less_than_or_equal_to.h"
00047 #include "mw/attributes/filter/equal_to.h"
00048 #include "mw/attributes/filter/not_equal_to.h"
00049 #include "mw/attributes/filter/logical_or.h"
00050 #include "mw/attributes/filter/logical_and.h"
00051 #include "mw/attributes/filter/logical_not.h"
00052 #include "mw/attributes/filter/BinaryFilterExpression.h"
00053 #include "mw/attributes/filter/UnaryFilterExpression.h"
00054 
00055 #include "mw/attributes/filter/RelationalOperatorFilterReturnTypeCalculator.h"
00056 
00057 namespace famouso {
00058     namespace mw {
00059         namespace attributes {
00060             namespace filter {
00061 
00065 #define OPERATOR(op, op_class, p1, p2)                                      \
00066     template< class A, class B >                                            \
00067     static inline                                                           \
00068     const UnaryFilterExpression< typename                                   \
00069         filter::RelationalOperatorFilterReturnTypeCalculator<               \
00070             A,                                                              \
00071             B,                                                              \
00072             op_class                                                        \
00073         >::type                                                             \
00074     >                                                                       \
00075     operator op (const p1, const p2) {                                      \
00076         typedef typename                                                    \
00077             filter::RelationalOperatorFilterReturnTypeCalculator<           \
00078                 A,                                                          \
00079                 B,                                                          \
00080                 op_class                                                    \
00081             >::type ReturnType;                                             \
00082         return UnaryFilterExpression< ReturnType > (ReturnType(b));         \
00083     }
00084 
00085 OPERATOR( >=, filter::greater_than_or_equal_to, UnaryFilterExpression<A>& a, B& b )
00086 OPERATOR( <=, filter::less_than_or_equal_to,    UnaryFilterExpression<A>& a, B& b )
00087 OPERATOR( > , filter::greater_than,             UnaryFilterExpression<A>& a, B& b )
00088 OPERATOR( < , filter::less_than,                UnaryFilterExpression<A>& a, B& b )
00089 OPERATOR( !=, filter::not_equal_to,             UnaryFilterExpression<A>& a, B& b )
00090 OPERATOR( ==, filter::equal_to,                 UnaryFilterExpression<A>& a, B& b )
00091 
00092 OPERATOR( >=, filter::less_than_or_equal_to,    B& b, UnaryFilterExpression<A>& a )
00093 OPERATOR( <=, filter::greater_than_or_equal_to, B& b, UnaryFilterExpression<A>& a )
00094 OPERATOR( > , filter::less_than,                B& b, UnaryFilterExpression<A>& a )
00095 OPERATOR( < , filter::greater_than,             B& b, UnaryFilterExpression<A>& a )
00096 OPERATOR( !=, filter::not_equal_to,             B& b, UnaryFilterExpression<A>& a )
00097 OPERATOR( ==, filter::equal_to,                 B& b, UnaryFilterExpression<A>& a )
00098 
00099 #undef OPERATOR
00100 
00101             } /* filter */
00102         } /* attributes */
00103     } /* mw */
00104 } /* famouso */
00105 
00106 #endif