Added thirdparty: boost library

thirdparty/include/boost/spirit/home/x3/numeric/bool.hpp

@@ -0,0 +1,161 @@
+/*=============================================================================
+    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)
+==============================================================================*/
+#ifndef BOOST_SPIRIT_X3_NUMERIC_BOOL_HPP
+#define BOOST_SPIRIT_X3_NUMERIC_BOOL_HPP
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/spirit/home/x3/core/skip_over.hpp>
+#include <boost/spirit/home/x3/numeric/bool_policies.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+    template <typename T, typename Encoding, typename BoolPolicies = bool_policies<T>>
+    struct bool_parser : parser<bool_parser<T, Encoding, BoolPolicies>>
+    {
+        typedef Encoding encoding;
+        typedef T attribute_type;
+        static bool const has_attribute = true;
+
+        constexpr bool_parser()
+        	: policies() {}
+
+        constexpr bool_parser(BoolPolicies const& policies)
+        	: policies(policies) {}
+
+        template <typename Iterator, typename Context>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, T& attr) const
+        {
+            x3::skip_over(first, last, context);
+            return policies.parse_true(first, last, attr, get_case_compare<encoding>(context))
+                || policies.parse_false(first, last, attr, get_case_compare<encoding>(context));
+        }
+
+        template <typename Iterator, typename Context, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, Attribute& attr_param) const
+        {
+            // this case is called when Attribute is not T
+            T attr_;
+            if (parse(first, last, context, unused, attr_))
+            {
+                traits::move_to(attr_, attr_param);
+                return true;
+            }
+            return false;
+        }
+
+        BoolPolicies policies;
+    };
+
+    template <typename T, typename Encoding, typename BoolPolicies = bool_policies<T>>
+    struct literal_bool_parser : parser<bool_parser<T, Encoding, BoolPolicies>>
+    {
+        typedef Encoding encoding;
+        typedef T attribute_type;
+        static bool const has_attribute = true;
+
+        template <typename Value>
+        constexpr literal_bool_parser(Value const& n)
+        	: policies(), n_(n) {}
+
+        template <typename Value>
+        constexpr literal_bool_parser(Value const& n, BoolPolicies const& policies)
+        	: policies(policies), n_(n) {}
+
+        template <typename Iterator, typename Context>
+        bool parse_main(Iterator& first, Iterator const& last
+          , Context const& context, T& attr) const
+        {
+            x3::skip_over(first, last, context);
+            return (n_ && policies.parse_true(first, last, attr, get_case_compare<encoding>(context)))
+                || (!n_ && policies.parse_false(first, last, attr, get_case_compare<encoding>(context)));
+        }
+
+        template <typename Iterator, typename Context>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, T& attr) const
+        {
+            return parse_main(first, last, context, attr);
+        }
+
+        template <typename Iterator, typename Context, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, Attribute& attr_param) const
+        {
+            // this case is called when Attribute is not T
+            T attr_;
+            if (parse_main(first, last, context, attr_))
+            {
+                traits::move_to(attr_, attr_param);
+                return true;
+            }
+            return false;
+        }
+
+        BoolPolicies policies;
+        T n_;
+    };
+
+    namespace standard
+    {
+        typedef bool_parser<bool, char_encoding::standard> bool_type;
+        constexpr bool_type bool_ = {};
+
+        typedef literal_bool_parser<bool, char_encoding::standard> true_type;
+        constexpr true_type true_ = { true };
+
+        typedef literal_bool_parser<bool, char_encoding::standard> false_type;
+        constexpr false_type false_ = { false };
+    }
+
+#ifndef BOOST_SPIRIT_NO_STANDARD_WIDE
+    namespace standard_wide
+    {
+        typedef bool_parser<bool, char_encoding::standard_wide> bool_type;
+        constexpr bool_type bool_ = {};
+
+        typedef literal_bool_parser<bool, char_encoding::standard_wide> true_type;
+        constexpr true_type true_ = { true };
+
+        typedef literal_bool_parser<bool, char_encoding::standard_wide> false_type;
+        constexpr false_type false_ = { false };
+    }
+#endif
+
+    namespace ascii
+    {
+        typedef bool_parser<bool, char_encoding::ascii> bool_type;
+        constexpr bool_type bool_ = {};
+
+        typedef literal_bool_parser<bool, char_encoding::ascii> true_type;
+        constexpr true_type true_ = { true };
+
+        typedef literal_bool_parser<bool, char_encoding::ascii> false_type;
+        constexpr false_type false_ = { false };
+    }
+
+    namespace iso8859_1
+    {
+        typedef bool_parser<bool, char_encoding::iso8859_1> bool_type;
+        constexpr bool_type bool_ = {};
+
+        typedef literal_bool_parser<bool, char_encoding::iso8859_1> true_type;
+        constexpr true_type true_ = { true };
+
+        typedef literal_bool_parser<bool, char_encoding::iso8859_1> false_type;
+        constexpr false_type false_ = { false };
+    }
+
+    using standard::bool_;
+    using standard::true_;
+    using standard::false_;
+
+    }}}
+
+#endif