Fix typo in grammar.

Add lexertl.

inc/lexertl/containers/ptr_map.hpp

@@ -0,0 +1,72 @@
+// ptr_map.hpp
+// Copyright (c) 2005-2012 Ben Hanson (http://www.benhanson.net/)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef LEXERTL_PTR_MAP_HPP
+#define LEXERTL_PTR_MAP_HPP
+
+#include <map>
+
+namespace lexertl
+{
+namespace detail
+{
+template<typename key_type, typename ptr_type>
+class ptr_map
+{
+public:
+    typedef std::map<key_type, ptr_type *> map;
+    typedef std::pair<key_type, ptr_type *> pair;
+    typedef std::pair<typename map::iterator, bool> iter_pair;
+
+    ptr_map ()
+    {
+    }
+
+    ~ptr_map ()
+    {
+        clear ();
+    }
+
+    map *operator -> ()
+    {
+        return &_map;
+    }
+
+    const map *operator -> () const
+    {
+        return &_map;
+    }
+
+    map &operator * ()
+    {
+        return _map;
+    }
+
+    const map &operator * () const
+    {
+        return _map;
+    }
+
+    void clear ()
+    {
+        for (typename map::iterator iter_ = _map.begin (), end_ = _map.end ();
+            iter_ != end_; ++iter_)
+        {
+            delete iter_->second;
+        }
+
+        _map.clear ();
+    }
+
+private:
+    map _map;
+
+    ptr_map (const ptr_map &); // No copy construction.
+    ptr_map &operator = (const ptr_map &); // No assignment.
+};
+}
+}
+
+#endif