/usr/include/gecode/gist/nodevisitor.hh is in libgecode-dev 4.4.0-5.
This file is owned by root:root, with mode 0o644.
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/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2006
*
* Last modified:
* $Date: 2010-07-30 10:30:16 +0200 (Fri, 30 Jul 2010) $ by $Author: tack $
* $Revision: 11306 $
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* 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 GECODE_GIST_NODEVISITOR_HH
#define GECODE_GIST_NODEVISITOR_HH
namespace Gecode { namespace Gist {
/// \brief Base class for a visitor that runs a cursor over a tree
template<class Cursor>
class NodeVisitor {
protected:
/// The cursor
Cursor c;
public:
/// Constructor
NodeVisitor(const Cursor& c0);
/// Reset the cursor object to \a c0
void setCursor(const Cursor& c0);
/// Return the cursor
Cursor& getCursor(void);
};
/// \brief Run a cursor over a tree, processing nodes in post-order
template<class Cursor>
class PostorderNodeVisitor : public NodeVisitor<Cursor> {
protected:
using NodeVisitor<Cursor>::c;
/// Move the cursor to the left-most leaf
void moveToLeaf(void);
public:
/// Constructor
PostorderNodeVisitor(const Cursor& c);
/// Move cursor to next node, return true if succeeded
bool next(void);
/// Execute visitor
void run(void);
};
/// \brief Run a cursor over a tree, processing nodes in pre-order
template<class Cursor>
class PreorderNodeVisitor : public NodeVisitor<Cursor> {
protected:
using NodeVisitor<Cursor>::c;
/// Move cursor to next node from a leaf
bool backtrack(void);
public:
/// Constructor
PreorderNodeVisitor(const Cursor& c);
/// Move cursor to the next node, return true if succeeded
bool next(void);
/// Execute visitor
void run(void);
};
}}
#include <gecode/gist/nodevisitor.hpp>
#endif
// STATISTICS: gist-any
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