--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/core/util/structures/purge.h	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2008 by the FIFE team                              *
+ *   http://www.fifengine.de                                               *
+ *   This file is part of FIFE.                                            *
+ *                                                                         *
+ *   FIFE 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.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
+ ***************************************************************************/
+
+
+// Delete pointers in an STL sequence container
+#ifndef PURGE_H
+#define PURGE_H
+#include <algorithm>
+
+template<class Seq> void purge(Seq& c) {
+	typename Seq::iterator i;
+	for(i = c.begin(); i != c.end(); i++) {
+		delete *i;
+		*i = 0;
+	}
+}
+
+// Iterator version:
+template<class InpIt>
+void purge(InpIt begin, InpIt end) {
+	while(begin != end) {
+		delete *begin;
+		*begin = 0;
+		begin++;
+	}
+}
+template<class Seq> void purge_map(Seq& c) {
+	typename Seq::iterator i;
+	for(i = c.begin(); i != c.end(); i++) {
+		delete i->second;
+		i->second = 0;
+	}
+}
+
+// Iterator version:
+template<class InpIt>
+void purge_map(InpIt begin, InpIt end) {
+	while(begin != end) {
+		delete begin->second;
+		begin->second = 0;
+		begin++;
+	}
+}
+#endif // PURGE_H