Package ket.treeDiff

Source Code of ket.treeDiff.Step

/*
* Copyright (C) 2011  Alasdair C. Hamilton
*
* This program 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 3 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, see <http://www.gnu.org/licenses/>
*/

package ket.treeDiff;

import java.util.Vector;

import ket.math.*;
import ket.display.box.Box;
import ket.display.Transition;

/**
* Represent the act of renaming the name of an argument specified by its
* address.
*/
public class Step {
  Argument before;
  Argument after;

  public Step(Argument before, Argument after) {
    this.before = before;
    this.after = after;
  }

  public Transition getTransition(Box beforeRootBox, Box afterRootBox) {
    Box beforeBox = beforeRootBox.findBoxByArgument(before);
    Box afterBox = afterRootBox.findBoxByArgument(after);
    if (beforeBox==null || afterBox==null) {
      return null;
    }
    return new Transition(beforeBox, afterBox);
  }
}
TOP

Related Classes of ket.treeDiff.Step

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.