nodevisitor.hh
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2006
*
* 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 {
template<class Cursor>
class NodeVisitor {
protected:
Cursor c;
public:
NodeVisitor(const Cursor& c0);
void setCursor(const Cursor& c0);
Cursor& getCursor(void);
};
template<class Cursor>
class PostorderNodeVisitor : public NodeVisitor<Cursor> {
protected:
using NodeVisitor<Cursor>::c;
void moveToLeaf(void);
public:
PostorderNodeVisitor(const Cursor& c);
bool next(void);
void run(void);
};
template<class Cursor>
class PreorderNodeVisitor : public NodeVisitor<Cursor> {
protected:
using NodeVisitor<Cursor>::c;
bool backtrack(void);
public:
PreorderNodeVisitor(const Cursor& c);
bool next(void);
void run(void);
};
}}
#include <gecode/gist/nodevisitor.hpp>
#endif
// STATISTICS: gist-any
Gecode::Gist::NodeVisitor::c
Cursor c
The cursor.
Definition nodevisitor.hh:44
Gecode::Gist::NodeVisitor::getCursor
Cursor & getCursor(void)
Return the cursor.
Definition nodevisitor.hpp:46
Gecode::Gist::NodeVisitor::NodeVisitor
NodeVisitor(const Cursor &c0)
Constructor.
Definition nodevisitor.hpp:38
Gecode::Gist::NodeVisitor::setCursor
void setCursor(const Cursor &c0)
Reset the cursor object to c0.
Definition nodevisitor.hpp:42
Gecode::Gist::PostorderNodeVisitor::PostorderNodeVisitor
PostorderNodeVisitor(const Cursor &c)
Constructor.
Definition nodevisitor.hpp:57
Gecode::Gist::PostorderNodeVisitor::next
bool next(void)
Move cursor to next node, return true if succeeded.
Definition nodevisitor.hpp:64
Gecode::Gist::PostorderNodeVisitor::run
void run(void)
Execute visitor.
Definition nodevisitor.hpp:79
Gecode::Gist::PostorderNodeVisitor::moveToLeaf
void moveToLeaf(void)
Move the cursor to the left-most leaf.
Definition nodevisitor.hpp:50
Gecode::Gist::PreorderNodeVisitor::next
bool next(void)
Move cursor to the next node, return true if succeeded.
Definition nodevisitor.hpp:103
Gecode::Gist::PreorderNodeVisitor::PreorderNodeVisitor
PreorderNodeVisitor(const Cursor &c)
Constructor.
Definition nodevisitor.hpp:98
Gecode::Gist::PreorderNodeVisitor::backtrack
bool backtrack(void)
Move cursor to next node from a leaf.
Definition nodevisitor.hpp:85
Gecode::Gist::PreorderNodeVisitor::run
void run(void)
Execute visitor.
Definition nodevisitor.hpp:117
Gecode::Gist
The Gecode Interactive Search Tool.
Gecode
Gecode toplevel namespace
nodevisitor.hpp