BooleanMesh.java from gzz at Krugle
Show BooleanMesh.java syntax highlighted
/*
BooleanMesh.java
*
* Copyright (c) 2000-2001 Ted Nelson and Tuomas Lukka
* Copyright (c) 2000-2001 Benjamin Fallenstein
*
* This file is part of Gzz.
*
* Gzz is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Gzz 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 Lesser General
* Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with Gzz; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
*/
/*
* Written by Kimmo Wideroos
*/
package org.gzigzag.module;
import org.gzigzag.*;
import java.util.*;
public abstract class BooleanMesh {
public static boolean dbg = false;
static void p(String s) { if(dbg) System.out.println(s); }
static void pa(String s) { System.out.println(s); }
static String d_1 = "d.1"; static String d_2 = "d.2";
static public ZZCell bStructure = null;
static public Hashtable bOperators = new Hashtable();
/*
*/
public BooleanMesh(ZZCell bs) {
bStructure = bs;
bOperators.put("AND", new boolean[][]{{false, false}, {false, true}});
bOperators.put("OR", new boolean[][]{{false, true}, {true, true}});
bOperators.put("XOR", new boolean[][]{{false, true}, {true, false}});
}
public boolean evaluate(ZZCell nhc) { return evaluate(bStructure, nhc); }
private boolean evaluate(ZZCell bElem, ZZCell nhc) {
String bt = bElem.getText();
p("belem:"+bt+" c:"+nhc.getText());
ZZCell arg1, arg2;
int i = 0, j = 0;
if(bOperators.containsKey(bt)) {
// add exception handling here!
arg1 = bElem.s(d_1); arg2 = bElem.s(d_2);
p("arg1:"+arg1.getText());
p("arg2:"+arg2.getText());
if(evaluate(arg1, nhc)) i = 1;
if(evaluate(arg2, nhc)) j = 1;
p("i:"+i+" j:"+j);
boolean retv = ((boolean[][])bOperators.get(bt))[i][j];
p("RETV: "+retv);
return retv;
} else {
// compare bElem (=categoryname) and c
p("TEST! "+nhc.getText()+" =?= "+bElem.getText());
return testBelonging(nhc, bElem);
}
}
public abstract boolean testBelonging(ZZCell c, ZZCell category);
}
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