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- /*
- * Copyright Andrey Semashev 2007 - 2015.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
- /*!
- * \file tagged_integer.hpp
- * \author Andrey Semashev
- * \date 11.01.2008
- *
- * \brief This header is the Boost.Log library implementation, see the library documentation
- * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
- */
- #ifndef BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
- #define BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
- #include <boost/log/detail/config.hpp>
- #include <boost/log/detail/header.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- namespace boost {
- BOOST_LOG_OPEN_NAMESPACE
- namespace aux {
- //! A tagged integer wrapper for type safety
- template< typename IntT, typename TagT >
- struct tagged_integer
- {
- //! Contained value type
- typedef IntT integer_type;
- //! Tag
- typedef TagT tag;
- //! Contained value
- integer_type value;
- //! Conversion operator
- BOOST_CONSTEXPR operator integer_type() const BOOST_NOEXCEPT { return value; }
- // Increment
- tagged_integer& operator++ () BOOST_NOEXCEPT { ++value; return *this; }
- tagged_integer operator++ (int) BOOST_NOEXCEPT { tagged_integer temp = *this; ++value; return temp; }
- // Decrement
- tagged_integer& operator-- () BOOST_NOEXCEPT { --value; return *this; }
- tagged_integer operator-- (int) BOOST_NOEXCEPT { tagged_integer temp = *this; --value; return temp; }
- #define BOOST_LOG_TAGGED_INTEGER_OP(op)\
- tagged_integer& operator op (tagged_integer const& that) BOOST_NOEXCEPT { value op that.value; return *this; }
- BOOST_LOG_TAGGED_INTEGER_OP(|=)
- BOOST_LOG_TAGGED_INTEGER_OP(&=)
- BOOST_LOG_TAGGED_INTEGER_OP(^=)
- BOOST_LOG_TAGGED_INTEGER_OP(+=)
- BOOST_LOG_TAGGED_INTEGER_OP(-=)
- BOOST_LOG_TAGGED_INTEGER_OP(*=)
- BOOST_LOG_TAGGED_INTEGER_OP(/=)
- BOOST_LOG_TAGGED_INTEGER_OP(%=)
- #undef BOOST_LOG_TAGGED_INTEGER_OP
- //! Inversion operator
- tagged_integer& operator~ () BOOST_NOEXCEPT { ~value; return *this; }
- // Shift operators
- template< typename T >
- tagged_integer& operator<<= (T const& that) BOOST_NOEXCEPT { value <<= that; return *this; }
- template< typename T >
- tagged_integer& operator>>= (T const& that) BOOST_NOEXCEPT { value >>= that; return *this; }
- private:
- // Protection against improper usage
- template< typename T1, typename T2 >
- tagged_integer& operator<<= (tagged_integer< T1, T2 > const&);
- template< typename T1, typename T2 >
- tagged_integer& operator>>= (tagged_integer< T1, T2 > const&);
- };
- // Relational operators
- #define BOOST_LOG_TAGGED_INTEGER_OP(op)\
- template< typename IntT, typename TagT >\
- inline bool operator op (\
- tagged_integer< IntT, TagT > const& left, tagged_integer< IntT, TagT > const& right) BOOST_NOEXCEPT\
- {\
- return (left.value op right.value);\
- }
- BOOST_LOG_TAGGED_INTEGER_OP(==)
- BOOST_LOG_TAGGED_INTEGER_OP(!=)
- BOOST_LOG_TAGGED_INTEGER_OP(<)
- BOOST_LOG_TAGGED_INTEGER_OP(>)
- BOOST_LOG_TAGGED_INTEGER_OP(<=)
- BOOST_LOG_TAGGED_INTEGER_OP(>=)
- #undef BOOST_LOG_TAGGED_INTEGER_OP
- #define BOOST_LOG_TAGGED_INTEGER_OP(op)\
- template< typename IntT, typename TagT >\
- inline tagged_integer< IntT, TagT > operator op (\
- tagged_integer< IntT, TagT > const& left, tagged_integer< IntT, TagT > const& right) BOOST_NOEXCEPT\
- {\
- tagged_integer< IntT, TagT > temp = left;\
- temp op##= right;\
- return temp;\
- }
- BOOST_LOG_TAGGED_INTEGER_OP(|)
- BOOST_LOG_TAGGED_INTEGER_OP(&)
- BOOST_LOG_TAGGED_INTEGER_OP(^)
- BOOST_LOG_TAGGED_INTEGER_OP(+)
- BOOST_LOG_TAGGED_INTEGER_OP(-)
- BOOST_LOG_TAGGED_INTEGER_OP(*)
- BOOST_LOG_TAGGED_INTEGER_OP(/)
- BOOST_LOG_TAGGED_INTEGER_OP(%)
- #undef BOOST_LOG_TAGGED_INTEGER_OP
- #define BOOST_LOG_TAGGED_INTEGER_OP(op)\
- template< typename IntT, typename TagT, typename T >\
- inline tagged_integer< IntT, TagT > operator op (\
- tagged_integer< IntT, TagT > const& left, T const& right) BOOST_NOEXCEPT\
- {\
- tagged_integer< IntT, TagT > temp = left;\
- temp op##= right;\
- return temp;\
- }
- BOOST_LOG_TAGGED_INTEGER_OP(<<)
- BOOST_LOG_TAGGED_INTEGER_OP(>>)
- #undef BOOST_LOG_TAGGED_INTEGER_OP
- } // namespace aux
- BOOST_LOG_CLOSE_NAMESPACE // namespace log
- } // namespace boost
- #include <boost/log/detail/footer.hpp>
- #endif // BOOST_LOG_TAGGED_INTEGER_HPP_INCLUDED_
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