source: source/ariba/utility/internal/Utilities.hpp@ 3057

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#ifndef UTILITIES_HPP_

#define UTILITIES_HPP_



#include <boost/cstdint.hpp>

#include <boost/type_traits.hpp>

#include <boost/utility/enable_if.hpp>



/* force inline macro */

#ifndef finline

#define finline inline __attribute__((always_inline))

#endif



/* check whether X is a base class of Y */

#define if_is_base_of(X,Y) \

        typename boost::enable_if<boost::is_base_of<X, Y> , int>::type __v = 0



/* check whether X is a unsigned integer */

#define if_uint(X) \

        typename boost::enable_if<boost::is_integral<X>,int>::type __i##X = 0,\

        typename boost::enable_if<boost::is_unsigned<X>,int>::type __u##X = 0



/* check whether X is a signed integer */

#define if_int(X) \

        typename boost::enable_if<boost::is_integral<X>,int>::type __i##X = 0,\

        typename boost::enable_if<boost::is_signed<X>,int>::type __s##X = 0



/* signature conversion */

#define CONVERT_SIGN(X,Y) \

        finline X& _unsigned( Y& v ) { return *((X*)&v); } \

        finline X& _unsigned( X& v ) { return v; } \

        finline Y& _signed( X& v ) { return *((Y*)&v); } \

        finline Y& _signed( Y& v ) { return v; }



CONVERT_SIGN( uint8_t, int8_t );

CONVERT_SIGN( uint16_t, int16_t );

CONVERT_SIGN( uint32_t, int32_t );

CONVERT_SIGN( uint64_t, int64_t );

#endif /* UTILITIES_HPP_ */