* code cleanup

[helm.git] / helm / DEVEL / mathml_editor / src / Ptr.hh

diff --git a/helm/DEVEL/mathml_editor/src/Ptr.hh b/helm/DEVEL/mathml_editor/src/Ptr.hh
deleted file mode 100644 (file)
index 9330c96..0000000
--- a/helm/DEVEL/mathml_editor/src/Ptr.hh
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright (C) 2000-2002, Luca Padovani <luca.padovani@cs.unibo.it>.
-//
-// This file is part of GtkMathView, a Gtk widget for MathML.
-// 
-// GtkMathView is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
-//
-// GtkMathView is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with GtkMathView; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-// 
-// For details, see the GtkMathView World-Wide-Web page,
-// http://www.cs.unibo.it/helm/mml-widget, or send a mail to
-// <luca.padovani@cs.unibo.it>
-
-#ifndef Ptr_hh
-#define Ptr_hh
-
-template <class P>
-class Ptr
-{
-public:
-  Ptr(P* p = 0) : ptr(p) { if (ptr != 0) ptr->ref(); }
-  Ptr(const Ptr& p) : ptr(p.ptr) { if (ptr != 0) ptr->ref(); }
-  ~Ptr() { if (ptr != 0) ptr->unref(); }
-
-  P* operator->() const { assert(ptr != 0); return ptr; }
-  Ptr& operator=(const Ptr& p)
-  { 
-    if (ptr == p.ptr) return *this;
-    if (p.ptr != 0) p.ptr->ref();
-    if (ptr != 0) ptr->unref();
-    ptr = p.ptr;
-    return *this;
-  }
-
-  operator P*() const { return ptr; }
-  template <class Q> friend Ptr<Q> smart_cast(const Ptr& p) { return Ptr<Q>(dynamic_cast<Q*>(p.ptr)); }  
-  template <class Q> friend bool is_a(const Ptr& p) { return dynamic_cast<Q*>(p.ptr) != 0; }
-  template <class Q> operator Ptr<Q>() const { return Ptr<Q>(ptr); }
-
-private:
-  P* ptr;
-};
-
-#endif // Ptr_hh