/////////////////////////////////////////////////////////////////////////////// | |
// modifier.hpp | |
// | |
// Copyright 2008 Eric Niebler. 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) | |
#ifndef BOOST_XPRESSIVE_DETAIL_STATIC_MODIFIER_HPP_EAN_10_04_2005 | |
#define BOOST_XPRESSIVE_DETAIL_STATIC_MODIFIER_HPP_EAN_10_04_2005 | |
// MS compatible compilers support #pragma once | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma once | |
# pragma warning(push) | |
# pragma warning(disable : 4510) // default constructor could not be generated | |
# pragma warning(disable : 4610) // user defined constructor required | |
#endif | |
#include <boost/xpressive/detail/detail_fwd.hpp> | |
#include <boost/proto/traits.hpp> | |
#include <boost/xpressive/regex_constants.hpp> | |
namespace boost { namespace xpressive { namespace detail | |
{ | |
/////////////////////////////////////////////////////////////////////////////// | |
// modifier | |
template<typename Modifier> | |
struct modifier_op | |
{ | |
typedef regex_constants::syntax_option_type opt_type; | |
template<typename Expr> | |
struct apply | |
{ | |
typedef typename proto::binary_expr< | |
modifier_tag | |
, typename proto::terminal<Modifier>::type | |
, typename proto::result_of::as_child<Expr const>::type | |
>::type type; | |
}; | |
template<typename Expr> | |
typename apply<Expr>::type const | |
operator ()(Expr const &expr) const | |
{ | |
typename apply<Expr>::type that = {{this->mod_}, proto::as_child(expr)}; | |
return that; | |
} | |
operator opt_type() const | |
{ | |
return this->opt_; | |
} | |
Modifier mod_; | |
opt_type opt_; | |
}; | |
}}} | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma warning(pop) | |
#endif | |
#endif |