summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/classic/meta/as_parser.hpp')
-rw-r--r--3rdParty/Boost/src/boost/spirit/home/classic/meta/as_parser.hpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/classic/meta/as_parser.hpp b/3rdParty/Boost/src/boost/spirit/home/classic/meta/as_parser.hpp
new file mode 100644
index 0000000..c5cc82d
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/classic/meta/as_parser.hpp
@@ -0,0 +1,113 @@
+/*=============================================================================
+ Copyright (c) 2002-2003 Joel de Guzman
+ Copyright (c) 2002-2003 Hartmut Kaiser
+ http://spirit.sourceforge.net/
+
+ 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_AS_PARSER_HPP)
+#define BOOST_SPIRIT_AS_PARSER_HPP
+
+#include <boost/spirit/home/classic/namespace.hpp>
+#include <boost/spirit/home/classic/core/primitives/primitives.hpp>
+
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // Helper templates to derive the parser type from an auxilliary type
+ // and to generate an object of the required parser type given an
+ // auxilliary object. Supported types to convert are parsers,
+ // single characters and character strings.
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ namespace impl
+ {
+ template<typename T>
+ struct default_as_parser
+ {
+ typedef T type;
+ static type const& convert(type const& p)
+ {
+ return p;
+ }
+ };
+
+ struct char_as_parser
+ {
+ typedef chlit<char> type;
+ static type convert(char ch)
+ {
+ return type(ch);
+ }
+ };
+
+ struct wchar_as_parser
+ {
+ typedef chlit<wchar_t> type;
+ static type convert(wchar_t ch)
+ {
+ return type(ch);
+ }
+ };
+
+ struct string_as_parser
+ {
+ typedef strlit<char const*> type;
+ static type convert(char const* str)
+ {
+ return type(str);
+ }
+ };
+
+ struct wstring_as_parser
+ {
+ typedef strlit<wchar_t const*> type;
+ static type convert(wchar_t const* str)
+ {
+ return type(str);
+ }
+ };
+ }
+
+ template<typename T>
+ struct as_parser : impl::default_as_parser<T> {};
+
+ template<>
+ struct as_parser<char> : impl::char_as_parser {};
+
+ template<>
+ struct as_parser<wchar_t> : impl::wchar_as_parser {};
+
+ template<>
+ struct as_parser<char*> : impl::string_as_parser {};
+
+ template<>
+ struct as_parser<char const*> : impl::string_as_parser {};
+
+ template<>
+ struct as_parser<wchar_t*> : impl::wstring_as_parser {};
+
+ template<>
+ struct as_parser<wchar_t const*> : impl::wstring_as_parser {};
+
+ template<int N>
+ struct as_parser<char[N]> : impl::string_as_parser {};
+
+ template<int N>
+ struct as_parser<wchar_t[N]> : impl::wstring_as_parser {};
+
+ template<int N>
+ struct as_parser<char const[N]> : impl::string_as_parser {};
+
+ template<int N>
+ struct as_parser<wchar_t const[N]> : impl::wstring_as_parser {};
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}} // namespace BOOST_SPIRIT_CLASSIC_NS
+
+#endif