79 lines
2.4 KiB
Java
79 lines
2.4 KiB
Java
/*
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BooleanMesh.java
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*
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* Copyright (c) 2000-2001 Ted Nelson and Tuomas Lukka
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* Copyright (c) 2000-2001 Benjamin Fallenstein
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Kimmo Wideroos
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*/
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package org.gzigzag.module;
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import org.gzigzag.*;
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import java.util.*;
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public abstract class BooleanMesh {
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public static boolean dbg = false;
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static void p(String s) { if(dbg) System.out.println(s); }
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static void pa(String s) { System.out.println(s); }
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static String d_1 = "d.1"; static String d_2 = "d.2";
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static public ZZCell bStructure = null;
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static public Hashtable bOperators = new Hashtable();
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/*
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*/
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public BooleanMesh(ZZCell bs) {
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bStructure = bs;
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bOperators.put("AND", new boolean[][]{{false, false}, {false, true}});
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bOperators.put("OR", new boolean[][]{{false, true}, {true, true}});
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bOperators.put("XOR", new boolean[][]{{false, true}, {true, false}});
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}
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public boolean evaluate(ZZCell nhc) { return evaluate(bStructure, nhc); }
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private boolean evaluate(ZZCell bElem, ZZCell nhc) {
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String bt = bElem.getText();
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p("belem:"+bt+" c:"+nhc.getText());
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ZZCell arg1, arg2;
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int i = 0, j = 0;
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if(bOperators.containsKey(bt)) {
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// add exception handling here!
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arg1 = bElem.s(d_1); arg2 = bElem.s(d_2);
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p("arg1:"+arg1.getText());
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p("arg2:"+arg2.getText());
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if(evaluate(arg1, nhc)) i = 1;
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if(evaluate(arg2, nhc)) j = 1;
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p("i:"+i+" j:"+j);
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boolean retv = ((boolean[][])bOperators.get(bt))[i][j];
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p("RETV: "+retv);
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return retv;
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} else {
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// compare bElem (=categoryname) and c
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p("TEST! "+nhc.getText()+" =?= "+bElem.getText());
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return testBelonging(nhc, bElem);
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}
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}
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public abstract boolean testBelonging(ZZCell c, ZZCell category);
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}
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