ext-boost/boost/range/adaptor/define_adaptor.hpp
2014-12-07 20:45:27 +01:00

110 lines
3.2 KiB
C++

// Boost.Range library
//
// Copyright Neil Groves 2010. Use, modification and
// distribution is subject to 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)
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_DEFINE_ADAPTOR_HPP_INCLUDED
#define BOOST_RANGE_DEFINE_ADAPTOR_HPP_INCLUDED
#include <boost/tuple/tuple.hpp>
#define BOOST_DEFINE_RANGE_ADAPTOR( adaptor_name, range_adaptor ) \
struct adaptor_name##_forwarder {}; \
\
template<typename Range> range_adaptor <Range> \
operator|(Range& rng, adaptor_name##_forwarder) \
{ \
return range_adaptor <Range>( rng ); \
} \
\
template<typename Range> range_adaptor <const Range> \
operator|(const Range& rng, adaptor_name##_forwarder) \
{ \
return range_adaptor <const Range>( rng ); \
} \
\
static adaptor_name##_forwarder adaptor_name = adaptor_name##_forwarder(); \
\
template<typename Range> \
range_adaptor <Range> \
make_##adaptor_name(Range& rng) \
{ \
return range_adaptor <Range>(rng); \
} \
\
template<typename Range> \
range_adaptor <const Range> \
make_##adaptor_name(const Range& rng) \
{ \
return range_adaptor <const Range>(rng); \
}
#define BOOST_DEFINE_RANGE_ADAPTOR_1( adaptor_name, range_adaptor, arg1_type ) \
struct adaptor_name \
{ \
explicit adaptor_name (arg1_type arg1_) \
: arg1(arg1_) {} \
arg1_type arg1; \
}; \
\
template<typename Range> range_adaptor <Range> \
operator|(Range& rng, adaptor_name args) \
{ \
return range_adaptor <Range>(rng, args.arg1); \
} \
\
template<typename Range> range_adaptor <const Range> \
operator|(const Range& rng, adaptor_name args) \
{ \
return range_adaptor <const Range>(rng, args.arg1); \
} \
\
template<typename Range> \
range_adaptor <Range> \
make_##adaptor_name(Range& rng, arg1_type arg1) \
{ \
return range_adaptor <Range>(rng, arg1); \
} \
\
template<typename Range> \
range_adaptor <const Range> \
make_##adaptor_name(const Range& rng, arg1_type arg1) \
{ \
return range_adaptor <const Range>(rng, arg1); \
}
#define BOOST_RANGE_ADAPTOR_2( adaptor_name, range_adaptor, arg1_type, arg2_type ) \
struct adaptor_name \
{ \
explicit adaptor_name (arg1_type arg1_, arg2_type arg2_) \
: arg1(arg1_), arg2(arg2_) {} \
arg1_type arg1; \
arg2_type arg2; \
}; \
\
template<typename Range> range_adaptor <Range> \
operator|(Range& rng, adaptor_name args) \
{ \
return range_adaptor <Range>(rng, args.arg1, args.arg2); \
} \
template<typename Range> \
range_adaptor <Range> \
make_##adaptor_name(Range& rng, arg1_type arg1, arg2_type arg2) \
{ \
return range_adaptor <Range>(rng, arg1, arg2); \
} \
template<typename Range> \
range_adaptor <const Range> \
make_##adaptor_name(const Range& rng, arg1_type arg1, arg2_type arg2) \
{ \
return range_adaptor <const Range>(rng, arg1, arg2); \
}
#endif // include guard