Added a 'dtor' helper functor to delete objects in arrays and containers using STL algorithms.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/utils/dtor.h b/src/utils/dtor.h
new file mode 100644
index 00000000..b969f15d
--- /dev/null
+++ b/src/utils/dtor.h
@@ -0,0 +1,44 @@
+/*
+ *  The Mana World
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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
+ *  any later version.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  $Id$
+ */
+
+#include <functional>
+#include <utility>
+
+template<typename T>
+struct dtor : public std::unary_function <T, void>
+{
+	void operator()(T &ptr) { delete ptr; }
+};
+
+template<typename T1, typename T2>
+struct dtor<std::pair<T1, T2> > :
+	public std::unary_function <std::pair<T1, T2>, void>
+{
+	void operator()(std::pair<T1, T2> &pair) { delete pair.second; }
+};
+
+template<class Cont>
+inline dtor<typename Cont::value_type> make_dtor(Cont const&)
+{
+	return dtor<typename Cont::value_type>();
+}