add boost on mac

macx64/include/boost/spirit/home/support/info.hpp

@@ -0,0 +1,159 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 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_INFO_NOVEMBER_22_2008_1132AM)
+#define BOOST_SPIRIT_INFO_NOVEMBER_22_2008_1132AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/variant/variant.hpp>
+#include <boost/variant/recursive_variant.hpp>
+#include <boost/variant/apply_visitor.hpp>
+#include <boost/foreach.hpp>
+#include <boost/spirit/home/support/utf8.hpp>
+#include <list>
+#include <iterator>
+#include <utility>
+
+namespace boost { namespace spirit
+{
+    // info provides information about a component. Each component
+    // has a what member function that returns an info object.
+    // strings in the info object are assumed to be encoded as UTF8
+    // for uniformity.
+    struct info
+    {
+        struct nil_ {};
+
+        typedef
+            boost::variant<
+                nil_
+              , utf8_string
+              , recursive_wrapper<info>
+              , recursive_wrapper<std::pair<info, info> >
+              , recursive_wrapper<std::list<info> >
+            >
+        value_type;
+
+        explicit info(utf8_string const& tag_)
+          : tag(tag_), value(nil_()) {}
+
+        template <typename T>
+        info(utf8_string const& tag_, T const& value_)
+          : tag(tag_), value(value_) {}
+
+        info(utf8_string const& tag_, char value_)
+          : tag(tag_), value(utf8_string(1, value_)) {}
+
+        info(utf8_string const& tag_, wchar_t value_)
+          : tag(tag_), value(to_utf8(value_)) {}
+
+        info(utf8_string const& tag_, ucs4_char value_)
+          : tag(tag_), value(to_utf8(value_)) {}
+
+        template <typename Char>
+        info(utf8_string const& tag_, Char const* str)
+          : tag(tag_), value(to_utf8(str)) {}
+
+        template <typename Char, typename Traits, typename Allocator>
+        info(utf8_string const& tag_
+              , std::basic_string<Char, Traits, Allocator> const& str)
+          : tag(tag_), value(to_utf8(str)) {}
+
+        utf8_string tag;
+        value_type value;
+    };
+
+    template <typename Callback>
+    struct basic_info_walker
+    {
+        typedef void result_type;
+        typedef basic_info_walker<Callback> this_type;
+
+        basic_info_walker(Callback& callback_, utf8_string const& tag_, int depth_)
+          : callback(callback_), tag(tag_), depth(depth_) {}
+
+        void operator()(info::nil_) const
+        {
+            callback.element(tag, "", depth);
+        }
+
+        void operator()(utf8_string const& str) const
+        {
+            callback.element(tag, str, depth);
+        }
+
+        void operator()(info const& what) const
+        {
+            boost::apply_visitor(
+                this_type(callback, what.tag, depth+1), what.value);
+        }
+
+        void operator()(std::pair<info, info> const& pair) const
+        {
+            callback.element(tag, "", depth);
+            boost::apply_visitor(
+                this_type(callback, pair.first.tag, depth+1), pair.first.value);
+            boost::apply_visitor(
+                this_type(callback, pair.second.tag, depth+1), pair.second.value);
+        }
+
+        void operator()(std::list<info> const& l) const
+        {
+            callback.element(tag, "", depth);
+            BOOST_FOREACH(info const& what, l)
+            {
+                boost::apply_visitor(
+                    this_type(callback, what.tag, depth+1), what.value);
+            }
+        }
+
+        Callback& callback;
+        utf8_string const& tag;
+        int depth;
+
+    private:
+        // silence MSVC warning C4512: assignment operator could not be generated
+        basic_info_walker& operator= (basic_info_walker const&);
+    };
+
+    // bare-bones print support
+    template <typename Out>
+    struct simple_printer
+    {
+        typedef utf8_string string;
+
+        simple_printer(Out& out_)
+          : out(out_) {}
+
+        void element(string const& tag, string const& value, int /*depth*/) const
+        {
+            if (value == "")
+                out << '<' << tag << '>';
+            else
+                out << '"' << value << '"';
+        }
+
+        Out& out;
+
+    private:
+        // silence MSVC warning C4512: assignment operator could not be generated
+        simple_printer& operator= (simple_printer const&);
+    };
+
+    template <typename Out>
+    Out& operator<<(Out& out, info const& what)
+    {
+        simple_printer<Out> pr(out);
+        basic_info_walker<simple_printer<Out> > walker(pr, what.tag, 0);
+        boost::apply_visitor(walker, what.value);
+        return out;
+    }
+}}
+
+#endif