Finished implementing RegExp
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@@ -1,6 +1,9 @@
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package com.imegumii;
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import java.util.Comparator;
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import java.util.HashSet;
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import java.util.SortedSet;
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import java.util.TreeSet;
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/**
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* Created by kenny on 2-5-2017.
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@@ -71,4 +74,66 @@ public class RegExp {
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return res;
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}
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public Taal getTaal(int maxOperaties)
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{
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SortedSet<String> leeg = new TreeSet<>(vergelijkDmvLengte);
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SortedSet<String> resultaat = new TreeSet<>(vergelijkDmvLengte);
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SortedSet<String> resLinks, resRechts;
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if(maxOperaties < 1) return new Taal(leeg);
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switch(operator)
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{
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case EEN:
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resultaat.add(characters);
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break;
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case OF:
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resLinks = links == null ? leeg : links.getTaal(maxOperaties - 1).getSymbols();
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resRechts = rechts == null ? leeg : rechts.getTaal(maxOperaties - 1).getSymbols();
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resultaat.addAll (resLinks);
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resultaat.addAll (resRechts);
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break;
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case PUNT:
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resLinks = links == null ? leeg : links.getTaal(maxOperaties - 1).getSymbols();
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resRechts = rechts == null ? leeg : rechts.getTaal(maxOperaties - 1).getSymbols();
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for (String s1 : resLinks)
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for (String s2 : resRechts)
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{resultaat.add (s1 + s2);}
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break;
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case STER:
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case PLUS:
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resLinks = links == null ? leeg : links.getTaal(maxOperaties - 1).getSymbols();
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resultaat.addAll(resLinks);
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for (int i = 1; i < maxOperaties; i++)
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{
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HashSet<String> tempTaal = new HashSet<String>(resultaat);
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for (String s1 : resLinks)
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{
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for (String s2 : tempTaal)
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{
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resultaat.add (s1+s2);
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}
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}
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}
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if (this.operator == Operator.STER)
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{
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resultaat.add("");
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}
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break;
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default:
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System.out.println ("getTaal is nog niet gedefinieerd voor de operator: " + this.operator);
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break;
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}
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return new Taal(resultaat);
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}
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}
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