49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
/*=============================================================================
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Copyright (c) 2009 Hartmut Kaiser
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Copyright (c) 2014 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_X3_BOOL_POLICIES_SEP_29_2009_0710AM)
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#define BOOST_SPIRIT_X3_BOOL_POLICIES_SEP_29_2009_0710AM
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#include <boost/spirit/home/x3/string/detail/string_parse.hpp>
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#include <boost/spirit/home/x3/support/traits/move_to.hpp>
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namespace boost { namespace spirit { namespace x3
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{
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///////////////////////////////////////////////////////////////////////////
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// Default boolean policies
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///////////////////////////////////////////////////////////////////////////
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template <typename T = bool>
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struct bool_policies
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{
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template <typename Iterator, typename Attribute, typename CaseCompare>
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static bool
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parse_true(Iterator& first, Iterator const& last, Attribute& attr_, CaseCompare const& case_compare)
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{
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if (detail::string_parse("true", first, last, unused, case_compare))
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{
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traits::move_to(T(true), attr_); // result is true
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return true;
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}
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return false;
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}
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template <typename Iterator, typename Attribute, typename CaseCompare>
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static bool
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parse_false(Iterator& first, Iterator const& last, Attribute& attr_, CaseCompare const& case_compare)
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{
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if (detail::string_parse("false", first, last, unused, case_compare))
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{
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traits::move_to(T(false), attr_); // result is false
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return true;
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}
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return false;
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}
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};
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}}}
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#endif
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