Mercurial > hg > Database > jungle-sharp

annotate Main/jungle-main/traverser/DefaultEvaluator.cs @ 35:f2ea780b3e80

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fix
author Kazuma Takeda
date Wed, 22 Feb 2017 16:30:19 +0900
parents 1f99e150f336
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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35
Kazuma Takeda
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1 using System.Collections;
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2
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3 namespace JungleDB {
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4 public class DefaultEvaluator : Evaluator {
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5 private NodePath path;
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6
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7 public DefaultEvaluator(NodePath _path) {
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8 path = _path;
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9 }
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10
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11 public Evaluation evaluate(TreeNode _current, int _pos){
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12 Pair<int, NodePath> pop = path.pop ();
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13 int head = pop.lefts ();
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14
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15 if (path.size () == 1) {
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16 if (head == _pos) {
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17 return new DefaultEvaluation (Result.GOAL, null);
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18 }
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19 }
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20
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21 DefaultEvaluator nextEvaluator;
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22 Result result;
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23 if (head == _pos) {
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24 result = Result.ACCEPT;
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25 nextEvaluator = new DefaultEvaluator (pop.rights ());
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26 } else {
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27 result = Result.CONTINUE;
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28 nextEvaluator = null;
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29 }
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30
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31 return new DefaultEvaluation (result, nextEvaluator);
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32 }
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33 }
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34 }