61 lines
2.0 KiB
C++
Executable File
61 lines
2.0 KiB
C++
Executable File
/*=============================================================================
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Copyright (c) 2001-2007 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_SPIRIT_REAL_APR_18_2006_0850AM)
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#define BOOST_SPIRIT_REAL_APR_18_2006_0850AM
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#include <boost/spirit/home/qi/skip.hpp>
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#include <boost/spirit/home/qi/numeric/real_policies.hpp>
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#include <boost/spirit/home/qi/numeric/numeric_utils.hpp>
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#include <boost/spirit/home/qi/numeric/detail/real_impl.hpp>
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namespace boost { namespace spirit { namespace qi
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{
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namespace detail
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{
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template <typename RealPolicies>
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struct real_policy;
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}
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template <
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typename T = double,
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typename RealPolicies = real_policies<T>
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>
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struct real_parser
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{
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template <typename Component, typename Context, typename Iterator>
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struct attribute
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{
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typedef T type;
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};
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template <
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typename Component
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, typename Iterator, typename Context
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, typename Skipper, typename Attribute>
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static bool parse(
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Component const& component
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, Iterator& first, Iterator const& last
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, Context& /*context*/, Skipper const& skipper
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, Attribute& attr)
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{
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RealPolicies const& p = detail::real_policy<RealPolicies>::get(
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fusion::at_c<0>(component.elements));
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qi::skip(first, last, skipper);
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return detail::real_impl<T, RealPolicies>::parse(first, last, attr, p);
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}
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template <typename Component, typename Context>
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static std::string what(Component const& component, Context const& ctx)
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{
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return "real number";
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}
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};
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}}}
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#endif
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