/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See 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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*/
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/*!
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* \file tagged_integer.hpp
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* \author Andrey Semashev
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* \date 11.01.2008
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*
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* \brief This header is the Boost.Log library implementation, see the library documentation
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* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
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*/
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#ifndef BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
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#define BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
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#include <boost/log/detail/config.hpp>
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#include <boost/log/detail/header.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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namespace boost {
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BOOST_LOG_OPEN_NAMESPACE
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namespace aux {
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//! A tagged integer wrapper for type safety
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template< typename IntT, typename TagT >
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struct tagged_integer
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{
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//! Contained value type
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typedef IntT integer_type;
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//! Tag
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typedef TagT tag;
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//! Contained value
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integer_type value;
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//! Conversion operator
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BOOST_CONSTEXPR operator integer_type() const BOOST_NOEXCEPT { return value; }
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// Increment
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tagged_integer& operator++ () BOOST_NOEXCEPT { ++value; return *this; }
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tagged_integer operator++ (int) BOOST_NOEXCEPT { tagged_integer temp = *this; ++value; return temp; }
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// Decrement
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tagged_integer& operator-- () BOOST_NOEXCEPT { --value; return *this; }
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tagged_integer operator-- (int) BOOST_NOEXCEPT { tagged_integer temp = *this; --value; return temp; }
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#define BOOST_LOG_TAGGED_INTEGER_OP(op)\
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tagged_integer& operator op (tagged_integer const& that) BOOST_NOEXCEPT { value op that.value; return *this; }
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BOOST_LOG_TAGGED_INTEGER_OP(|=)
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BOOST_LOG_TAGGED_INTEGER_OP(&=)
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BOOST_LOG_TAGGED_INTEGER_OP(^=)
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BOOST_LOG_TAGGED_INTEGER_OP(+=)
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BOOST_LOG_TAGGED_INTEGER_OP(-=)
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BOOST_LOG_TAGGED_INTEGER_OP(*=)
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BOOST_LOG_TAGGED_INTEGER_OP(/=)
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BOOST_LOG_TAGGED_INTEGER_OP(%=)
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#undef BOOST_LOG_TAGGED_INTEGER_OP
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//! Inversion operator
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tagged_integer& operator~ () BOOST_NOEXCEPT { ~value; return *this; }
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// Shift operators
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template< typename T >
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tagged_integer& operator<<= (T const& that) BOOST_NOEXCEPT { value <<= that; return *this; }
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template< typename T >
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tagged_integer& operator>>= (T const& that) BOOST_NOEXCEPT { value >>= that; return *this; }
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private:
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// Protection against improper usage
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template< typename T1, typename T2 >
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tagged_integer& operator<<= (tagged_integer< T1, T2 > const&);
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template< typename T1, typename T2 >
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tagged_integer& operator>>= (tagged_integer< T1, T2 > const&);
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};
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// Relational operators
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#define BOOST_LOG_TAGGED_INTEGER_OP(op)\
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template< typename IntT, typename TagT >\
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inline bool operator op (\
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tagged_integer< IntT, TagT > const& left, tagged_integer< IntT, TagT > const& right) BOOST_NOEXCEPT\
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{\
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return (left.value op right.value);\
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}
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BOOST_LOG_TAGGED_INTEGER_OP(==)
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BOOST_LOG_TAGGED_INTEGER_OP(!=)
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BOOST_LOG_TAGGED_INTEGER_OP(<)
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BOOST_LOG_TAGGED_INTEGER_OP(>)
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BOOST_LOG_TAGGED_INTEGER_OP(<=)
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BOOST_LOG_TAGGED_INTEGER_OP(>=)
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#undef BOOST_LOG_TAGGED_INTEGER_OP
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#define BOOST_LOG_TAGGED_INTEGER_OP(op)\
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template< typename IntT, typename TagT >\
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inline tagged_integer< IntT, TagT > operator op (\
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tagged_integer< IntT, TagT > const& left, tagged_integer< IntT, TagT > const& right) BOOST_NOEXCEPT\
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{\
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tagged_integer< IntT, TagT > temp = left;\
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temp op##= right;\
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return temp;\
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}
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BOOST_LOG_TAGGED_INTEGER_OP(|)
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BOOST_LOG_TAGGED_INTEGER_OP(&)
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BOOST_LOG_TAGGED_INTEGER_OP(^)
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BOOST_LOG_TAGGED_INTEGER_OP(+)
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BOOST_LOG_TAGGED_INTEGER_OP(-)
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BOOST_LOG_TAGGED_INTEGER_OP(*)
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BOOST_LOG_TAGGED_INTEGER_OP(/)
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BOOST_LOG_TAGGED_INTEGER_OP(%)
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#undef BOOST_LOG_TAGGED_INTEGER_OP
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#define BOOST_LOG_TAGGED_INTEGER_OP(op)\
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template< typename IntT, typename TagT, typename T >\
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inline tagged_integer< IntT, TagT > operator op (\
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tagged_integer< IntT, TagT > const& left, T const& right) BOOST_NOEXCEPT\
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{\
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tagged_integer< IntT, TagT > temp = left;\
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temp op##= right;\
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return temp;\
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}
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BOOST_LOG_TAGGED_INTEGER_OP(<<)
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BOOST_LOG_TAGGED_INTEGER_OP(>>)
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#undef BOOST_LOG_TAGGED_INTEGER_OP
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} // namespace aux
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BOOST_LOG_CLOSE_NAMESPACE // namespace log
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} // namespace boost
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#include <boost/log/detail/footer.hpp>
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#endif // BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
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