| /*============================================================================= |
| 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(BOOST_SPIRIT_X3_BOOL_POLICIES_SEP_29_2009_0710AM) |
| #define BOOST_SPIRIT_X3_BOOL_POLICIES_SEP_29_2009_0710AM |
| |
| #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, typename CaseCompare> |
| static bool |
| parse_true(Iterator& first, Iterator const& last, Attribute& attr_, CaseCompare const& case_compare) |
| { |
| if (detail::string_parse("true", first, last, unused, case_compare)) |
| { |
| traits::move_to(T(true), attr_); // result is true |
| return true; |
| } |
| return false; |
| } |
| |
| template <typename Iterator, typename Attribute, typename CaseCompare> |
| static bool |
| parse_false(Iterator& first, Iterator const& last, Attribute& attr_, CaseCompare const& case_compare) |
| { |
| if (detail::string_parse("false", first, last, unused, case_compare)) |
| { |
| traits::move_to(T(false), attr_); // result is false |
| return true; |
| } |
| return false; |
| } |
| }; |
| }}} |
| |
| #endif |