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+/*
+ * Copyright 2002 Adrian Thurston <thurston@colm.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _AAPL_AVLISET_H
+#define _AAPL_AVLISET_H
+
+#include "compare.h"
+#include "dlist.h"
+
+/**
+ * \addtogroup avlitree 
+ * @{
+ */
+
+/**
+ * \class AvliSet
+ * \brief Linked Key-only oriented tree.
+ *
+ * AvliSet stores only keys in elements that are managed by the tree. AvliSet
+ * requires that a Key type and a class containing a compare() routine
+ * for Key be given. Items are inserted with just a key value.
+ *
+ * AvliSet assumes all elements in the tree are allocated on the heap and are
+ * to be managed by the tree. This means that the class destructor will delete
+ * the contents of the tree. A deep copy will cause existing elements to be
+ * deleted first.
+ *
+ * \include ex_avliset.cpp
+ */
+
+/*@}*/
+
+#define AVLTREE_SET
+#define BASE_EL(name) name
+#define BASEKEY(name) name
+#define BASELIST DList< AvliSetEl<Key> >
+#define AVLMEL_CLASSDEF class Key, class Compare = CmpOrd<Key>
+#define AVLMEL_TEMPDEF class Key, class Compare
+#define AVLMEL_TEMPUSE Key, Compare
+#define AvlTree AvliSet
+#define Element AvliSetEl<Key>
+#define WALKABLE
+
+#include "avlcommon.h"
+
+#undef AVLTREE_SET
+#undef BASE_EL
+#undef BASEKEY
+#undef BASELIST
+#undef AVLMEL_CLASSDEF
+#undef AVLMEL_TEMPDEF
+#undef AVLMEL_TEMPUSE
+#undef AvlTree
+#undef Element
+#undef WALKABLE
+
+#endif /* _AAPL_AVLISET_H */