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layoutcursor.hh

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Guido Tack <tack@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Guido Tack, 2006
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  * Permission is hereby granted, free of charge, to any person obtaining
00014  * a copy of this software and associated documentation files (the
00015  * "Software"), to deal in the Software without restriction, including
00016  * without limitation the rights to use, copy, modify, merge, publish,
00017  * distribute, sublicense, and/or sell copies of the Software, and to
00018  * permit persons to whom the Software is furnished to do so, subject to
00019  * the following conditions:
00020  *
00021  * The above copyright notice and this permission notice shall be
00022  * included in all copies or substantial portions of the Software.
00023  *
00024  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 #ifndef GECODE_GIST_LAYOUTCURSOR_HH
00035 #define GECODE_GIST_LAYOUTCURSOR_HH
00036 
00037 #include <gecode/gist/nodecursor.hh>
00038 #include <gecode/gist/visualnode.hh>
00039 
00040 namespace Gecode { namespace Gist {
00041 
00042 
00044   class LayoutCursor : public NodeCursor<VisualNode> {
00045   public:
00047     LayoutCursor(VisualNode* theNode,
00048                  const VisualNode::NodeAllocator& na);
00049 
00051 
00052 
00053     bool mayMoveDownwards(void);
00055     void processCurrentNode(void);
00057   };
00058 
00059 }}
00060 
00061 #include <gecode/gist/layoutcursor.hpp>
00062 
00063 #endif
00064 
00065 // STATISTICS: gist-any