1 files changed, 65 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/char/negated_char_parser.hpp b/boost/spirit/home/x3/char/negated_char_parser.hpp
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+++ b/boost/spirit/home/x3/char/negated_char_parser.hpp
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+/*=============================================================================
+    Copyright (c) 2001-2014 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_NEGATED_CHAR_PARSER_APR_16_2006_0906AM)
+#define BOOST_SPIRIT_X3_NEGATED_CHAR_PARSER_APR_16_2006_0906AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/support/traits/attribute_of.hpp>
+#include <boost/spirit/home/x3/support/traits/has_attribute.hpp>
+#include <boost/spirit/home/x3/char/char_parser.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // negated_char_parser handles ~cp expressions (cp is a char_parser)
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Positive>
+    struct negated_char_parser :
+        char_parser<negated_char_parser<Positive>>
+    {
+        negated_char_parser(Positive const& positive)
+          : positive(positive) {}
+
+        template <typename CharParam, typename Context>
+        bool test(CharParam ch, Context const& context) const
+        {
+            return !positive.test(ch, context);
+        }
+
+        Positive positive;
+    };
+
+    template <typename Positive>
+    inline negated_char_parser<Positive>
+    operator~(char_parser<Positive> const& cp)
+    {
+        return negated_char_parser<Positive>(cp.derived());
+    }
+
+    template <typename Positive>
+    inline Positive const&
+    operator~(negated_char_parser<Positive> const& cp)
+    {
+        return cp.positive;
+    }
+}}}
+
+namespace boost { namespace spirit { namespace x3 { namespace traits
+{
+    template <typename Positive, typename Context>
+    struct attribute_of<x3::negated_char_parser<Positive>, Context>
+        : attribute_of<Positive, Context> {};
+    
+    template <typename Positive, typename Context>
+    struct has_attribute<x3::negated_char_parser<Positive>, Context>
+        : has_attribute<Positive, Context> {};
+}}}}
+
+#endif