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<FONT color="green">001</FONT> package org.maltparser.parser.algorithm.covington;<a name="line.1"></a>
<FONT color="green">002</FONT> <a name="line.2"></a>
<FONT color="green">003</FONT> import org.maltparser.core.exception.MaltChainedException;<a name="line.3"></a>
<FONT color="green">004</FONT> import org.maltparser.core.syntaxgraph.DependencyStructure;<a name="line.4"></a>
<FONT color="green">005</FONT> import org.maltparser.core.syntaxgraph.node.DependencyNode;<a name="line.5"></a>
<FONT color="green">006</FONT> import org.maltparser.parser.DependencyParserConfig;<a name="line.6"></a>
<FONT color="green">007</FONT> import org.maltparser.parser.Oracle;<a name="line.7"></a>
<FONT color="green">008</FONT> import org.maltparser.parser.ParserConfiguration;<a name="line.8"></a>
<FONT color="green">009</FONT> import org.maltparser.parser.history.GuideUserHistory;<a name="line.9"></a>
<FONT color="green">010</FONT> import org.maltparser.parser.history.action.GuideUserAction;<a name="line.10"></a>
<FONT color="green">011</FONT> /**<a name="line.11"></a>
<FONT color="green">012</FONT> * @author Johan Hall<a name="line.12"></a>
<FONT color="green">013</FONT> *<a name="line.13"></a>
<FONT color="green">014</FONT> */<a name="line.14"></a>
<FONT color="green">015</FONT> public class CovingtonOracle extends Oracle {<a name="line.15"></a>
<FONT color="green">016</FONT> public CovingtonOracle(DependencyParserConfig manager, GuideUserHistory history) throws MaltChainedException {<a name="line.16"></a>
<FONT color="green">017</FONT> super(manager, history);<a name="line.17"></a>
<FONT color="green">018</FONT> setGuideName("NonProjective");<a name="line.18"></a>
<FONT color="green">019</FONT> }<a name="line.19"></a>
<FONT color="green">020</FONT> <a name="line.20"></a>
<FONT color="green">021</FONT> public GuideUserAction predict(DependencyStructure gold, ParserConfiguration config) throws MaltChainedException {<a name="line.21"></a>
<FONT color="green">022</FONT> CovingtonConfig covingtonConfig = (CovingtonConfig)config;<a name="line.22"></a>
<FONT color="green">023</FONT> DependencyNode leftTarget = covingtonConfig.getLeftTarget();<a name="line.23"></a>
<FONT color="green">024</FONT> int leftTargetIndex = leftTarget.getIndex();<a name="line.24"></a>
<FONT color="green">025</FONT> int rightTargetIndex = covingtonConfig.getRightTarget().getIndex();<a name="line.25"></a>
<FONT color="green">026</FONT> <a name="line.26"></a>
<FONT color="green">027</FONT> if (!leftTarget.isRoot() && gold.getTokenNode(leftTargetIndex).getHead().getIndex() == rightTargetIndex) {<a name="line.27"></a>
<FONT color="green">028</FONT> return updateActionContainers(NonProjective.LEFTARC, gold.getTokenNode(leftTargetIndex).getHeadEdge().getLabelSet());<a name="line.28"></a>
<FONT color="green">029</FONT> } else if (gold.getTokenNode(rightTargetIndex).getHead().getIndex() == leftTargetIndex) {<a name="line.29"></a>
<FONT color="green">030</FONT> return updateActionContainers(NonProjective.RIGHTARC, gold.getTokenNode(rightTargetIndex).getHeadEdge().getLabelSet());<a name="line.30"></a>
<FONT color="green">031</FONT> } else if (covingtonConfig.isAllowShift() == true && (!(gold.getTokenNode(rightTargetIndex).hasLeftDependent() <a name="line.31"></a>
<FONT color="green">032</FONT> && gold.getTokenNode(rightTargetIndex).getLeftmostDependent().getIndex() < leftTargetIndex)<a name="line.32"></a>
<FONT color="green">033</FONT> && !(gold.getTokenNode(rightTargetIndex).getHead().getIndex() < leftTargetIndex <a name="line.33"></a>
<FONT color="green">034</FONT> && (!gold.getTokenNode(rightTargetIndex).getHead().isRoot() || covingtonConfig.getLeftstop() == 0)))) {<a name="line.34"></a>
<FONT color="green">035</FONT> return updateActionContainers(NonProjective.SHIFT, null);<a name="line.35"></a>
<FONT color="green">036</FONT> } else {<a name="line.36"></a>
<FONT color="green">037</FONT> return updateActionContainers(NonProjective.NOARC, null);<a name="line.37"></a>
<FONT color="green">038</FONT> }<a name="line.38"></a>
<FONT color="green">039</FONT> }<a name="line.39"></a>
<FONT color="green">040</FONT> <a name="line.40"></a>
<FONT color="green">041</FONT> public void finalizeSentence(DependencyStructure dependencyGraph) throws MaltChainedException {<a name="line.41"></a>
<FONT color="green">042</FONT> <a name="line.42"></a>
<FONT color="green">043</FONT> }<a name="line.43"></a>
<FONT color="green">044</FONT> <a name="line.44"></a>
<FONT color="green">045</FONT> public void terminate() throws MaltChainedException {<a name="line.45"></a>
<FONT color="green">046</FONT> <a name="line.46"></a>
<FONT color="green">047</FONT> }<a name="line.47"></a>
<FONT color="green">048</FONT> }<a name="line.48"></a>
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