1 files changed, 124 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/string/literal_string.hpp b/boost/spirit/home/x3/string/literal_string.hpp
new file mode 100644
index 0000000000..bf05a9a08e
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+++ b/boost/spirit/home/x3/string/literal_string.hpp
@@ -0,0 +1,124 @@
+/*=============================================================================
+    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_LITERAL_STRING_APR_18_2006_1125PM)
+#define BOOST_SPIRIT_X3_LITERAL_STRING_APR_18_2006_1125PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/spirit/home/x3/core/skip_over.hpp>
+#include <boost/spirit/home/x3/string/detail/string_parse.hpp>
+#include <boost/spirit/home/x3/support/utility/utf8.hpp>
+#include <boost/spirit/home/support/char_encoding/ascii.hpp>
+#include <boost/spirit/home/support/char_encoding/standard.hpp>
+#include <boost/spirit/home/support/char_encoding/standard_wide.hpp>
+
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/add_reference.hpp>
+#include <string>
+
+namespace boost { namespace spirit { namespace x3
+{
+    template <typename String, typename Encoding,
+        typename Attribute = std::basic_string<typename Encoding::char_type>>
+    struct literal_string : parser<literal_string<String, Encoding, Attribute>>
+    {
+        typedef typename Encoding::char_type char_type;
+        typedef Encoding encoding;
+        typedef Attribute attribute_type;
+        static bool const has_attribute =
+            !is_same<unused_type, attribute_type>::value;
+        static bool const handles_container = has_attribute;
+
+        literal_string(typename add_reference<String>::type str)
+          : str(str)
+        {}
+
+        template <typename Iterator, typename Context, typename Attribute_>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, Attribute_& attr) const
+        {
+            x3::skip_over(first, last, context);
+            return detail::string_parse(str, first, last, attr);
+        }
+
+        String str;
+    };
+
+    namespace standard
+    {
+        inline literal_string<char const*, char_encoding::standard>
+        string(char const* s)
+        {
+            return literal_string<char const*, char_encoding::standard>(s);
+        }
+    }
+    using standard::string;
+
+    namespace extension
+    {
+        template <int N>
+        struct as_parser<char[N]>
+        {
+            typedef
+                literal_string<
+                    char const*, char_encoding::standard, unused_type>
+            type;
+
+            typedef type value_type;
+
+            static type call(char const* s)
+            {
+                return type(s);
+            }
+        };
+
+        template <int N>
+        struct as_parser<char const[N]> : as_parser<char[N]> {};
+
+        template <int N>
+        struct as_parser<wchar_t[N]>
+        {
+            typedef
+                literal_string<
+                    wchar_t const*, char_encoding::standard_wide, unused_type>
+            type;
+
+            typedef type value_type;
+
+            static type call(wchar_t const* s)
+            {
+                return type(s);
+            }
+        };
+
+        template <int N>
+        struct as_parser<wchar_t const[N]> : as_parser<wchar_t[N]> {};
+    }
+
+    using standard::string;
+
+    inline literal_string<char const*, char_encoding::standard, unused_type>
+    lit(char const* s)
+    {
+        return literal_string<char const*, char_encoding::standard, unused_type>(s);
+    }
+
+    template <typename String, typename Encoding, typename Attribute>
+    struct get_info<literal_string<String, Encoding, Attribute>>
+    {
+        typedef std::string result_type;
+        std::string operator()(literal_string<String, Encoding, Attribute> const& p) const
+        {
+            return '"' + to_utf8(p.str) + '"';
+        }
+    };
+}}}
+
+#endif