The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
TIEDEMANN / uplug-main-0.3.7 / share / ext / parser / malt / docs / api / src-html / org / maltparser / core / syntaxgraph / headrules / HeadRules.html 
<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    package org.maltparser.core.syntaxgraph.headrules;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.BufferedReader;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.IOException;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.InputStreamReader;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.net.URL;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.HashMap;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    import org.apache.log4j.Logger;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.maltparser.core.exception.MaltChainedException;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.maltparser.core.helper.Util;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.maltparser.core.io.dataformat.DataFormatInstance;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.maltparser.core.symbol.SymbolTable;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.maltparser.core.syntaxgraph.node.NonTerminalNode;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.maltparser.core.syntaxgraph.node.PhraseStructureNode;<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>    /**<a name="line.17"></a>
<FONT color="green">018</FONT>    *<a name="line.18"></a>
<FONT color="green">019</FONT>    *<a name="line.19"></a>
<FONT color="green">020</FONT>    * @author Johan Hall<a name="line.20"></a>
<FONT color="green">021</FONT>    */<a name="line.21"></a>
<FONT color="green">022</FONT>    public class HeadRules extends HashMap&lt;String,HeadRule&gt; {<a name="line.22"></a>
<FONT color="green">023</FONT>            public static final long serialVersionUID = 8045568022124826323L;<a name="line.23"></a>
<FONT color="green">024</FONT>            protected Logger logger;<a name="line.24"></a>
<FONT color="green">025</FONT>            protected String name;<a name="line.25"></a>
<FONT color="green">026</FONT>            protected DataFormatInstance dataFormatInstance;<a name="line.26"></a>
<FONT color="green">027</FONT>            protected SymbolTable nonTerminalSymbolTable; // TODO more complex<a name="line.27"></a>
<FONT color="green">028</FONT>            protected SymbolTable edgelabelSymbolTable; // TODO more complex<a name="line.28"></a>
<FONT color="green">029</FONT>            <a name="line.29"></a>
<FONT color="green">030</FONT>            public HeadRules(Logger logger, DataFormatInstance dataFormatInstance) throws MaltChainedException {<a name="line.30"></a>
<FONT color="green">031</FONT>                    setLogger(logger);<a name="line.31"></a>
<FONT color="green">032</FONT>                    setDataFormatInstance(dataFormatInstance);<a name="line.32"></a>
<FONT color="green">033</FONT>                    nonTerminalSymbolTable = dataFormatInstance.getSymbolTables().addSymbolTable("CAT");<a name="line.33"></a>
<FONT color="green">034</FONT>                    edgelabelSymbolTable = dataFormatInstance.getSymbolTables().addSymbolTable("LABEL");<a name="line.34"></a>
<FONT color="green">035</FONT>            }<a name="line.35"></a>
<FONT color="green">036</FONT>            <a name="line.36"></a>
<FONT color="green">037</FONT>            public void parseHeadRules(String fileName) throws MaltChainedException {<a name="line.37"></a>
<FONT color="green">038</FONT>                    parseHeadRules(Util.findURL(fileName));<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 parseHeadRules(URL url) throws MaltChainedException {<a name="line.41"></a>
<FONT color="green">042</FONT>                    BufferedReader br = null;<a name="line.42"></a>
<FONT color="green">043</FONT>                    try {<a name="line.43"></a>
<FONT color="green">044</FONT>                            br = new BufferedReader(new InputStreamReader(url.openStream()));<a name="line.44"></a>
<FONT color="green">045</FONT>                    } catch (IOException e) {<a name="line.45"></a>
<FONT color="green">046</FONT>                            throw new HeadRuleException("Could not read the head rules from file '"+url.toString()+"'. ", e);<a name="line.46"></a>
<FONT color="green">047</FONT>                    }<a name="line.47"></a>
<FONT color="green">048</FONT>                    if (logger.isInfoEnabled()) {<a name="line.48"></a>
<FONT color="green">049</FONT>                            logger.debug("Loading the head rule specification '"+url.toString()+"' ...\n");<a name="line.49"></a>
<FONT color="green">050</FONT>                    }<a name="line.50"></a>
<FONT color="green">051</FONT>                    String fileLine;<a name="line.51"></a>
<FONT color="green">052</FONT>                    while (true) {<a name="line.52"></a>
<FONT color="green">053</FONT>                            try {<a name="line.53"></a>
<FONT color="green">054</FONT>                                    fileLine = br.readLine();<a name="line.54"></a>
<FONT color="green">055</FONT>                            } catch (IOException e) {<a name="line.55"></a>
<FONT color="green">056</FONT>                                    throw new HeadRuleException("Could not read the head rules from file '"+url.toString()+"'. ", e);<a name="line.56"></a>
<FONT color="green">057</FONT>                            }<a name="line.57"></a>
<FONT color="green">058</FONT>                            if (fileLine == null) {<a name="line.58"></a>
<FONT color="green">059</FONT>                                    break;<a name="line.59"></a>
<FONT color="green">060</FONT>                            }<a name="line.60"></a>
<FONT color="green">061</FONT>                            if (fileLine.length() &lt;= 1 &amp;&amp; fileLine.trim().substring(0, 2).trim().equals("--")) {<a name="line.61"></a>
<FONT color="green">062</FONT>                                    continue;<a name="line.62"></a>
<FONT color="green">063</FONT>                            }<a name="line.63"></a>
<FONT color="green">064</FONT>                            int index = fileLine.indexOf('\t');<a name="line.64"></a>
<FONT color="green">065</FONT>                            if (index == -1) {<a name="line.65"></a>
<FONT color="green">066</FONT>                                    throw new HeadRuleException("The specification of the head rule is not correct '"+fileLine+"'. ");<a name="line.66"></a>
<FONT color="green">067</FONT>                            }<a name="line.67"></a>
<FONT color="green">068</FONT>                            <a name="line.68"></a>
<FONT color="green">069</FONT>                            HeadRule rule = new HeadRule(this, fileLine);<a name="line.69"></a>
<FONT color="green">070</FONT>                            put(fileLine.substring(0,index), rule);<a name="line.70"></a>
<FONT color="green">071</FONT>                    }<a name="line.71"></a>
<FONT color="green">072</FONT>            }<a name="line.72"></a>
<FONT color="green">073</FONT>            <a name="line.73"></a>
<FONT color="green">074</FONT>            public PhraseStructureNode getHeadChild(NonTerminalNode nt) throws MaltChainedException {<a name="line.74"></a>
<FONT color="green">075</FONT>                    HeadRule rule = null;<a name="line.75"></a>
<FONT color="green">076</FONT>                    if (nt.hasLabel(nonTerminalSymbolTable)) {<a name="line.76"></a>
<FONT color="green">077</FONT>                            rule = this.get(nonTerminalSymbolTable.getName()+":"+nt.getLabelSymbol(nonTerminalSymbolTable));<a name="line.77"></a>
<FONT color="green">078</FONT>                    }<a name="line.78"></a>
<FONT color="green">079</FONT>                    if (rule == null &amp;&amp; nt.hasParentEdgeLabel(edgelabelSymbolTable)) {<a name="line.79"></a>
<FONT color="green">080</FONT>                            rule = this.get(edgelabelSymbolTable.getName()+":"+nt.getParentEdgeLabelSymbol(edgelabelSymbolTable));<a name="line.80"></a>
<FONT color="green">081</FONT>                    }<a name="line.81"></a>
<FONT color="green">082</FONT>                    <a name="line.82"></a>
<FONT color="green">083</FONT>                    if (rule != null) {<a name="line.83"></a>
<FONT color="green">084</FONT>                            return rule.getHeadChild(nt);<a name="line.84"></a>
<FONT color="green">085</FONT>                    }<a name="line.85"></a>
<FONT color="green">086</FONT>                    return null;<a name="line.86"></a>
<FONT color="green">087</FONT>            }<a name="line.87"></a>
<FONT color="green">088</FONT>            <a name="line.88"></a>
<FONT color="green">089</FONT>            public Direction getDefaultDirection(NonTerminalNode nt) throws MaltChainedException {<a name="line.89"></a>
<FONT color="green">090</FONT>                    HeadRule rule = null;<a name="line.90"></a>
<FONT color="green">091</FONT>                    if (nt.hasLabel(nonTerminalSymbolTable)) {<a name="line.91"></a>
<FONT color="green">092</FONT>                            rule = this.get(nonTerminalSymbolTable.getName()+":"+nt.getLabelSymbol(nonTerminalSymbolTable));<a name="line.92"></a>
<FONT color="green">093</FONT>                    }<a name="line.93"></a>
<FONT color="green">094</FONT>                    if (rule == null &amp;&amp; nt.hasParentEdgeLabel(edgelabelSymbolTable)) {<a name="line.94"></a>
<FONT color="green">095</FONT>                            rule = this.get(edgelabelSymbolTable.getName()+":"+nt.getParentEdgeLabelSymbol(edgelabelSymbolTable));<a name="line.95"></a>
<FONT color="green">096</FONT>                    }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>                    if (rule != null) {<a name="line.98"></a>
<FONT color="green">099</FONT>                            return rule.getDefaultDirection();<a name="line.99"></a>
<FONT color="green">100</FONT>                    }<a name="line.100"></a>
<FONT color="green">101</FONT>                    return Direction.LEFT;<a name="line.101"></a>
<FONT color="green">102</FONT>            }<a name="line.102"></a>
<FONT color="green">103</FONT>            <a name="line.103"></a>
<FONT color="green">104</FONT>            public Logger getLogger() {<a name="line.104"></a>
<FONT color="green">105</FONT>                    return logger;<a name="line.105"></a>
<FONT color="green">106</FONT>            }<a name="line.106"></a>
<FONT color="green">107</FONT>            <a name="line.107"></a>
<FONT color="green">108</FONT>            public void setLogger(Logger logger) {<a name="line.108"></a>
<FONT color="green">109</FONT>                    this.logger = logger;<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>            <a name="line.111"></a>
<FONT color="green">112</FONT>            public DataFormatInstance getDataFormatInstance() {<a name="line.112"></a>
<FONT color="green">113</FONT>                    return dataFormatInstance;<a name="line.113"></a>
<FONT color="green">114</FONT>            }<a name="line.114"></a>
<FONT color="green">115</FONT>    <a name="line.115"></a>
<FONT color="green">116</FONT>            public void setDataFormatInstance(DataFormatInstance dataFormatInstance) {<a name="line.116"></a>
<FONT color="green">117</FONT>                    this.dataFormatInstance = dataFormatInstance;<a name="line.117"></a>
<FONT color="green">118</FONT>            }<a name="line.118"></a>
<FONT color="green">119</FONT>    <a name="line.119"></a>
<FONT color="green">120</FONT>            public String toString() {<a name="line.120"></a>
<FONT color="green">121</FONT>                    final StringBuilder sb = new StringBuilder();<a name="line.121"></a>
<FONT color="green">122</FONT>                    for (HeadRule rule : this.values()) {<a name="line.122"></a>
<FONT color="green">123</FONT>                            sb.append(rule);<a name="line.123"></a>
<FONT color="green">124</FONT>                            sb.append('\n');<a name="line.124"></a>
<FONT color="green">125</FONT>                    }<a name="line.125"></a>
<FONT color="green">126</FONT>                    return sb.toString();<a name="line.126"></a>
<FONT color="green">127</FONT>            }<a name="line.127"></a>
<FONT color="green">128</FONT>    }<a name="line.128"></a>




























































</PRE>
</BODY>
</HTML>