Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/spirit/home/x3/numeric/bool_policies.hpp @ 102:f46d142149f5
Whoops, finish that update
author | Chris Cannam |
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date | Mon, 07 Sep 2015 11:13:41 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/spirit/home/x3/numeric/bool_policies.hpp Mon Sep 07 11:13:41 2015 +0100 @@ -0,0 +1,52 @@ +/*============================================================================= + Copyright (c) 2009 Hartmut Kaiser + Copyright (c) 2014 Joel de Guzman + + 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) +==============================================================================*/ +#if !defined(SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM) +#define SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/spirit/home/x3/string/detail/string_parse.hpp> +#include <boost/spirit/home/x3/support/traits/move_to.hpp> + +namespace boost { namespace spirit { namespace x3 +{ + /////////////////////////////////////////////////////////////////////////// + // Default boolean policies + /////////////////////////////////////////////////////////////////////////// + template <typename T = bool> + struct bool_policies + { + template <typename Iterator, typename Attribute> + static bool + parse_true(Iterator& first, Iterator const& last, Attribute& attr_) + { + if (detail::string_parse("true", first, last, unused)) + { + traits::move_to(T(true), attr_); // result is true + return true; + } + return false; + } + + template <typename Iterator, typename Attribute> + static bool + parse_false(Iterator& first, Iterator const& last, Attribute& attr_) + { + if (detail::string_parse("false", first, last, unused)) + { + traits::move_to(T(false), attr_); // result is false + return true; + } + return false; + } + }; +}}} + +#endif