Fix typo in grammar.

Add lexertl.

inc/lexertl/containers/ptr_vector.hpp

@@ -0,0 +1,106 @@
+// ptr_vector.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_VECTOR_HPP
+#define LEXERTL_PTR_VECTOR_HPP
+
+#include "../size_t.hpp"
+#include <vector>
+
+namespace lexertl
+{
+namespace detail
+{
+template<typename ptr_type>
+class ptr_vector
+{
+public:
+    typedef std::vector<ptr_type *> vector;
+
+    ptr_vector () :
+        _vector ()
+    {
+    }
+
+    ~ptr_vector ()
+    {
+        clear ();
+    }
+
+    vector *operator -> ()
+    {
+        return &_vector;
+    }
+
+    const vector *operator -> () const
+    {
+        return &_vector;
+    }
+
+    vector &operator * ()
+    {
+        return _vector;
+    }
+
+    const vector &operator * () const
+    {
+        return _vector;
+    }
+
+    ptr_type * &operator [] (const std::size_t index_)
+    {
+        return _vector[index_];
+    }
+
+    ptr_type * const &operator [] (const std::size_t index_) const
+    {
+        return _vector[index_];
+    }
+
+    bool operator == (const ptr_vector &rhs_) const
+    {
+        bool equal_ = _vector.size () == rhs_._vector.size ();
+
+        if (equal_)
+        {
+            typename vector::const_iterator lhs_iter_ = _vector.begin ();
+            typename vector::const_iterator end_ = _vector.end ();
+            typename vector::const_iterator rhs_iter_ = rhs_._vector.begin ();
+
+            for (; equal_ && lhs_iter_ != end_; ++lhs_iter_, ++rhs_iter_)
+            {
+                equal_ = **lhs_iter_ == **rhs_iter_;
+            }
+        }
+
+        return  equal_;
+    }
+
+    void clear ()
+    {
+        if (!_vector.empty ())
+        {
+            ptr_type **iter_ = &_vector.front ();
+            ptr_type **end_ = iter_ + _vector.size ();
+
+            for (; iter_ != end_; ++iter_)
+            {
+                delete *iter_;
+            }
+        }
+
+        _vector.clear ();
+    }
+
+private:
+    vector _vector;
+
+    ptr_vector (const ptr_vector &); // No copy construction.
+    ptr_vector &operator = (const ptr_vector &); // No assignment.
+};
+}
+}
+
+#endif