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TIEDEMANN / uplug-main-0.3.8 / share / ext / parser / malt / docs / api / src-html / org / maltparser / parser / algorithm / covington / CovingtonConfig.html 
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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 java.util.ArrayList;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import org.maltparser.core.exception.MaltChainedException;<a name="line.5"></a>
<FONT color="green">006</FONT>    import org.maltparser.core.symbol.SymbolTable;<a name="line.6"></a>
<FONT color="green">007</FONT>    import org.maltparser.core.symbol.SymbolTableHandler;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.maltparser.core.syntaxgraph.DependencyGraph;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.maltparser.core.syntaxgraph.DependencyStructure;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.maltparser.core.syntaxgraph.edge.Edge;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.maltparser.core.syntaxgraph.node.DependencyNode;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.maltparser.parser.ParserConfiguration;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.maltparser.parser.ParsingException;<a name="line.13"></a>
<FONT color="green">014</FONT>    /**<a name="line.14"></a>
<FONT color="green">015</FONT>     * @author Johan Hall<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>    public class CovingtonConfig extends ParserConfiguration {<a name="line.18"></a>
<FONT color="green">019</FONT>            private ArrayList&lt;DependencyNode&gt; input;<a name="line.19"></a>
<FONT color="green">020</FONT>            private int right;<a name="line.20"></a>
<FONT color="green">021</FONT>            private int left;<a name="line.21"></a>
<FONT color="green">022</FONT>            private int leftstop;<a name="line.22"></a>
<FONT color="green">023</FONT>            private int rightstop;<a name="line.23"></a>
<FONT color="green">024</FONT>            private DependencyStructure dependencyGraph;<a name="line.24"></a>
<FONT color="green">025</FONT>            private boolean allowRoot;<a name="line.25"></a>
<FONT color="green">026</FONT>            private boolean allowShift;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>            <a name="line.28"></a>
<FONT color="green">029</FONT>            public CovingtonConfig(SymbolTableHandler symbolTableHandler, boolean cr, boolean cs) throws MaltChainedException {<a name="line.29"></a>
<FONT color="green">030</FONT>                    super();<a name="line.30"></a>
<FONT color="green">031</FONT>                    input = new ArrayList&lt;DependencyNode&gt;();<a name="line.31"></a>
<FONT color="green">032</FONT>                    dependencyGraph = new DependencyGraph(symbolTableHandler);<a name="line.32"></a>
<FONT color="green">033</FONT>                    setAllowRoot(cr);<a name="line.33"></a>
<FONT color="green">034</FONT>                    setAllowShift(cs);<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 DependencyStructure getDependencyStructure() {<a name="line.37"></a>
<FONT color="green">038</FONT>                    return dependencyGraph;<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 ArrayList&lt;DependencyNode&gt; getInput() {<a name="line.41"></a>
<FONT color="green">042</FONT>                    return input;<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 boolean isTerminalState() {<a name="line.45"></a>
<FONT color="green">046</FONT>                    return right &gt; rightstop;<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>
<FONT color="green">049</FONT>            public int getRight() {<a name="line.49"></a>
<FONT color="green">050</FONT>                    return right;<a name="line.50"></a>
<FONT color="green">051</FONT>            }<a name="line.51"></a>
<FONT color="green">052</FONT>            <a name="line.52"></a>
<FONT color="green">053</FONT>            public void setRight(int right) {<a name="line.53"></a>
<FONT color="green">054</FONT>                    this.right = right;<a name="line.54"></a>
<FONT color="green">055</FONT>            }<a name="line.55"></a>
<FONT color="green">056</FONT>    <a name="line.56"></a>
<FONT color="green">057</FONT>            public int getLeft() {<a name="line.57"></a>
<FONT color="green">058</FONT>                    return left;<a name="line.58"></a>
<FONT color="green">059</FONT>            }<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>            public void setLeft(int left) {<a name="line.61"></a>
<FONT color="green">062</FONT>                    this.left = left;<a name="line.62"></a>
<FONT color="green">063</FONT>            }<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>            public int getLeftstop() {<a name="line.65"></a>
<FONT color="green">066</FONT>                    return leftstop;<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>            public int getRightstop() {<a name="line.69"></a>
<FONT color="green">070</FONT>                    return rightstop;<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>            public boolean isAllowRoot() {<a name="line.73"></a>
<FONT color="green">074</FONT>                    return allowRoot;<a name="line.74"></a>
<FONT color="green">075</FONT>            }<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>            public void setAllowRoot(boolean allowRoot) {<a name="line.77"></a>
<FONT color="green">078</FONT>                    this.allowRoot = allowRoot;<a name="line.78"></a>
<FONT color="green">079</FONT>            }<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>            public boolean isAllowShift() {<a name="line.81"></a>
<FONT color="green">082</FONT>                    return allowShift;<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>            public void setAllowShift(boolean allowShift) {<a name="line.85"></a>
<FONT color="green">086</FONT>                    this.allowShift = allowShift;<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 DependencyNode getLeftNode(int index) throws MaltChainedException {<a name="line.89"></a>
<FONT color="green">090</FONT>                    if (index &lt; 0) {<a name="line.90"></a>
<FONT color="green">091</FONT>                            throw new ParsingException("Left index must be non-negative in feature specification. ");<a name="line.91"></a>
<FONT color="green">092</FONT>                    }<a name="line.92"></a>
<FONT color="green">093</FONT>                    if (left-index &gt;= 0) {<a name="line.93"></a>
<FONT color="green">094</FONT>                            return input.get(left-index);<a name="line.94"></a>
<FONT color="green">095</FONT>                    }<a name="line.95"></a>
<FONT color="green">096</FONT>                    return null;<a name="line.96"></a>
<FONT color="green">097</FONT>            }<a name="line.97"></a>
<FONT color="green">098</FONT>            <a name="line.98"></a>
<FONT color="green">099</FONT>            public DependencyNode getRightNode(int index) throws MaltChainedException {<a name="line.99"></a>
<FONT color="green">100</FONT>                    if (index &lt; 0) {<a name="line.100"></a>
<FONT color="green">101</FONT>                            throw new ParsingException("Right index must be non-negative in feature specification. ");<a name="line.101"></a>
<FONT color="green">102</FONT>                    }<a name="line.102"></a>
<FONT color="green">103</FONT>                    if (right+index &lt; input.size()) {<a name="line.103"></a>
<FONT color="green">104</FONT>                            return input.get(right+index);<a name="line.104"></a>
<FONT color="green">105</FONT>                    }<a name="line.105"></a>
<FONT color="green">106</FONT>                    return null;<a name="line.106"></a>
<FONT color="green">107</FONT>            }<a name="line.107"></a>
<FONT color="green">108</FONT>            <a name="line.108"></a>
<FONT color="green">109</FONT>            public DependencyNode getLeftContextNode(int index) throws MaltChainedException {<a name="line.109"></a>
<FONT color="green">110</FONT>                    if (index &lt; 0) {<a name="line.110"></a>
<FONT color="green">111</FONT>                            throw new ParsingException("LeftContext index must be non-negative in feature specification. ");<a name="line.111"></a>
<FONT color="green">112</FONT>                    }<a name="line.112"></a>
<FONT color="green">113</FONT>                    <a name="line.113"></a>
<FONT color="green">114</FONT>                    int tmpindex = 0;<a name="line.114"></a>
<FONT color="green">115</FONT>                    for (int i = left+1; i &lt; right; i++) {<a name="line.115"></a>
<FONT color="green">116</FONT>                            if (!input.get(i).hasAncestorInside(left, right)) {<a name="line.116"></a>
<FONT color="green">117</FONT>                                    if (tmpindex == index) {<a name="line.117"></a>
<FONT color="green">118</FONT>                                            return input.get(i);<a name="line.118"></a>
<FONT color="green">119</FONT>                                    } else {<a name="line.119"></a>
<FONT color="green">120</FONT>                                            tmpindex++;<a name="line.120"></a>
<FONT color="green">121</FONT>                                    }<a name="line.121"></a>
<FONT color="green">122</FONT>                            }<a name="line.122"></a>
<FONT color="green">123</FONT>                    }<a name="line.123"></a>
<FONT color="green">124</FONT>                    return null;<a name="line.124"></a>
<FONT color="green">125</FONT>            }<a name="line.125"></a>
<FONT color="green">126</FONT>            <a name="line.126"></a>
<FONT color="green">127</FONT>            public DependencyNode getRightContextNode(int index) throws MaltChainedException {<a name="line.127"></a>
<FONT color="green">128</FONT>                    if (index &lt; 0) {<a name="line.128"></a>
<FONT color="green">129</FONT>                            throw new ParsingException("RightContext index must be non-negative in feature specification. ");<a name="line.129"></a>
<FONT color="green">130</FONT>                    }<a name="line.130"></a>
<FONT color="green">131</FONT>                    int tmpindex = 0;<a name="line.131"></a>
<FONT color="green">132</FONT>                    for (int i = right-1; i &gt; left; i--) {<a name="line.132"></a>
<FONT color="green">133</FONT>                            if (!input.get(i).hasAncestorInside(left, right)) {<a name="line.133"></a>
<FONT color="green">134</FONT>                                    if (tmpindex == index) {<a name="line.134"></a>
<FONT color="green">135</FONT>                                            return input.get(i);<a name="line.135"></a>
<FONT color="green">136</FONT>                                    } else {<a name="line.136"></a>
<FONT color="green">137</FONT>                                            tmpindex++;<a name="line.137"></a>
<FONT color="green">138</FONT>                                    }<a name="line.138"></a>
<FONT color="green">139</FONT>                            }<a name="line.139"></a>
<FONT color="green">140</FONT>                    }<a name="line.140"></a>
<FONT color="green">141</FONT>                    return null;<a name="line.141"></a>
<FONT color="green">142</FONT>            }<a name="line.142"></a>
<FONT color="green">143</FONT>            <a name="line.143"></a>
<FONT color="green">144</FONT>            public DependencyNode getLeftTarget() {<a name="line.144"></a>
<FONT color="green">145</FONT>                    return input.get(left);<a name="line.145"></a>
<FONT color="green">146</FONT>            }<a name="line.146"></a>
<FONT color="green">147</FONT>            <a name="line.147"></a>
<FONT color="green">148</FONT>            public DependencyNode getRightTarget() {<a name="line.148"></a>
<FONT color="green">149</FONT>                    return input.get(right);<a name="line.149"></a>
<FONT color="green">150</FONT>            }<a name="line.150"></a>
<FONT color="green">151</FONT>            <a name="line.151"></a>
<FONT color="green">152</FONT>            public void setDependencyGraph(DependencyStructure source) throws MaltChainedException {<a name="line.152"></a>
<FONT color="green">153</FONT>                    dependencyGraph.clear();<a name="line.153"></a>
<FONT color="green">154</FONT>                    for (int index : source.getTokenIndices()) {<a name="line.154"></a>
<FONT color="green">155</FONT>                            DependencyNode gnode = source.getTokenNode(index);<a name="line.155"></a>
<FONT color="green">156</FONT>                            DependencyNode pnode = dependencyGraph.addTokenNode(gnode.getIndex());<a name="line.156"></a>
<FONT color="green">157</FONT>                            for (SymbolTable table : gnode.getLabelTypes()) {<a name="line.157"></a>
<FONT color="green">158</FONT>                                    pnode.addLabel(table, gnode.getLabelSymbol(table));<a name="line.158"></a>
<FONT color="green">159</FONT>                            }<a name="line.159"></a>
<FONT color="green">160</FONT>                            <a name="line.160"></a>
<FONT color="green">161</FONT>                            if (gnode.hasHead()) {<a name="line.161"></a>
<FONT color="green">162</FONT>                                    Edge s = gnode.getHeadEdge();<a name="line.162"></a>
<FONT color="green">163</FONT>                                    Edge t = dependencyGraph.addDependencyEdge(s.getSource().getIndex(), s.getTarget().getIndex());<a name="line.163"></a>
<FONT color="green">164</FONT>                                    <a name="line.164"></a>
<FONT color="green">165</FONT>                                    for (SymbolTable table : s.getLabelTypes()) {<a name="line.165"></a>
<FONT color="green">166</FONT>                                            t.addLabel(table, s.getLabelSymbol(table));<a name="line.166"></a>
<FONT color="green">167</FONT>                                    }<a name="line.167"></a>
<FONT color="green">168</FONT>                            }<a name="line.168"></a>
<FONT color="green">169</FONT>                    }<a name="line.169"></a>
<FONT color="green">170</FONT>                    for (SymbolTable table : source.getDefaultRootEdgeLabels().keySet()) {<a name="line.170"></a>
<FONT color="green">171</FONT>                            dependencyGraph.setDefaultRootEdgeLabel(table, source.getDefaultRootEdgeLabelSymbol(table));<a name="line.171"></a>
<FONT color="green">172</FONT>                    }<a name="line.172"></a>
<FONT color="green">173</FONT>            }<a name="line.173"></a>
<FONT color="green">174</FONT>            <a name="line.174"></a>
<FONT color="green">175</FONT>            public DependencyStructure getDependencyGraph() {<a name="line.175"></a>
<FONT color="green">176</FONT>                    return dependencyGraph;<a name="line.176"></a>
<FONT color="green">177</FONT>            }<a name="line.177"></a>
<FONT color="green">178</FONT>            <a name="line.178"></a>
<FONT color="green">179</FONT>    //      public void initAllowRoot(boolean allowRoot) throws MaltChainedException {<a name="line.179"></a>
<FONT color="green">180</FONT>    //              if (allowRoot == true) {<a name="line.180"></a>
<FONT color="green">181</FONT>    //                      leftstop = 0;<a name="line.181"></a>
<FONT color="green">182</FONT>    //              } else {<a name="line.182"></a>
<FONT color="green">183</FONT>    //                      leftstop = 1;<a name="line.183"></a>
<FONT color="green">184</FONT>    //              }<a name="line.184"></a>
<FONT color="green">185</FONT>    //      }<a name="line.185"></a>
<FONT color="green">186</FONT>            <a name="line.186"></a>
<FONT color="green">187</FONT>            <a name="line.187"></a>
<FONT color="green">188</FONT>            public void initialize(ParserConfiguration parserConfiguration) throws MaltChainedException {   <a name="line.188"></a>
<FONT color="green">189</FONT>                    if (parserConfiguration != null) {<a name="line.189"></a>
<FONT color="green">190</FONT>                            CovingtonConfig covingtonConfig = (CovingtonConfig)parserConfiguration;<a name="line.190"></a>
<FONT color="green">191</FONT>                            ArrayList&lt;DependencyNode&gt; sourceInput = covingtonConfig.getInput();<a name="line.191"></a>
<FONT color="green">192</FONT>                            setDependencyGraph(covingtonConfig.getDependencyGraph());<a name="line.192"></a>
<FONT color="green">193</FONT>                            for (int i = 0, n = sourceInput.size(); i &lt; n; i++) {<a name="line.193"></a>
<FONT color="green">194</FONT>                                    input.add(dependencyGraph.getDependencyNode(sourceInput.get(i).getIndex()));<a name="line.194"></a>
<FONT color="green">195</FONT>                            }<a name="line.195"></a>
<FONT color="green">196</FONT>                            left = covingtonConfig.getLeft();<a name="line.196"></a>
<FONT color="green">197</FONT>                            right = covingtonConfig.getRight();<a name="line.197"></a>
<FONT color="green">198</FONT>                            rightstop = covingtonConfig.getRightstop();<a name="line.198"></a>
<FONT color="green">199</FONT>                            leftstop = covingtonConfig.getLeftstop();<a name="line.199"></a>
<FONT color="green">200</FONT>                    } else {<a name="line.200"></a>
<FONT color="green">201</FONT>                            for (int i = 0, n = dependencyGraph.getHighestTokenIndex(); i &lt;= n; i++) {<a name="line.201"></a>
<FONT color="green">202</FONT>                                    DependencyNode node = dependencyGraph.getDependencyNode(i);<a name="line.202"></a>
<FONT color="green">203</FONT>                                    if (node != null) { <a name="line.203"></a>
<FONT color="green">204</FONT>                                            input.add(node);<a name="line.204"></a>
<FONT color="green">205</FONT>                                    }<a name="line.205"></a>
<FONT color="green">206</FONT>                            }<a name="line.206"></a>
<FONT color="green">207</FONT>                            if (allowRoot == true) {<a name="line.207"></a>
<FONT color="green">208</FONT>                                    leftstop = 0;<a name="line.208"></a>
<FONT color="green">209</FONT>                            } else {<a name="line.209"></a>
<FONT color="green">210</FONT>                                    leftstop = 1;<a name="line.210"></a>
<FONT color="green">211</FONT>                            }<a name="line.211"></a>
<FONT color="green">212</FONT>                            rightstop = dependencyGraph.getHighestTokenIndex();<a name="line.212"></a>
<FONT color="green">213</FONT>                            left = leftstop;<a name="line.213"></a>
<FONT color="green">214</FONT>                            right = left + 1;<a name="line.214"></a>
<FONT color="green">215</FONT>                    }<a name="line.215"></a>
<FONT color="green">216</FONT>            }<a name="line.216"></a>
<FONT color="green">217</FONT>            <a name="line.217"></a>
<FONT color="green">218</FONT>            public void clear() throws MaltChainedException {<a name="line.218"></a>
<FONT color="green">219</FONT>                    dependencyGraph.clear();<a name="line.219"></a>
<FONT color="green">220</FONT>                    input.clear();<a name="line.220"></a>
<FONT color="green">221</FONT>                    historyNode = null;<a name="line.221"></a>
<FONT color="green">222</FONT>            }<a name="line.222"></a>
<FONT color="green">223</FONT>            <a name="line.223"></a>
<FONT color="green">224</FONT>            public boolean equals(Object obj) {<a name="line.224"></a>
<FONT color="green">225</FONT>                    if (this == obj)<a name="line.225"></a>
<FONT color="green">226</FONT>                            return true;<a name="line.226"></a>
<FONT color="green">227</FONT>                    if (obj == null)<a name="line.227"></a>
<FONT color="green">228</FONT>                            return false;<a name="line.228"></a>
<FONT color="green">229</FONT>                    if (getClass() != obj.getClass())<a name="line.229"></a>
<FONT color="green">230</FONT>                            return false;<a name="line.230"></a>
<FONT color="green">231</FONT>                    CovingtonConfig that = (CovingtonConfig)obj;<a name="line.231"></a>
<FONT color="green">232</FONT>                    <a name="line.232"></a>
<FONT color="green">233</FONT>                    if (input.size() != that.getInput().size())<a name="line.233"></a>
<FONT color="green">234</FONT>                            return false;<a name="line.234"></a>
<FONT color="green">235</FONT>                    if (dependencyGraph.nEdges() != that.getDependencyGraph().nEdges())<a name="line.235"></a>
<FONT color="green">236</FONT>                            return false;<a name="line.236"></a>
<FONT color="green">237</FONT>                    for (int i = 0; i &lt; input.size(); i++) {<a name="line.237"></a>
<FONT color="green">238</FONT>                            if (input.get(i).getIndex() != that.getInput().get(i).getIndex()) {<a name="line.238"></a>
<FONT color="green">239</FONT>                                    return false;<a name="line.239"></a>
<FONT color="green">240</FONT>                            }<a name="line.240"></a>
<FONT color="green">241</FONT>                    }               <a name="line.241"></a>
<FONT color="green">242</FONT>                    return dependencyGraph.getEdges().equals(that.getDependencyGraph().getEdges());<a name="line.242"></a>
<FONT color="green">243</FONT>            }<a name="line.243"></a>
<FONT color="green">244</FONT>            public String toString() {<a name="line.244"></a>
<FONT color="green">245</FONT>                    final StringBuilder sb = new StringBuilder();<a name="line.245"></a>
<FONT color="green">246</FONT>                    sb.append(input.size());<a name="line.246"></a>
<FONT color="green">247</FONT>                    sb.append(", ");<a name="line.247"></a>
<FONT color="green">248</FONT>                    sb.append(dependencyGraph.nEdges());<a name="line.248"></a>
<FONT color="green">249</FONT>                    return sb.toString();<a name="line.249"></a>
<FONT color="green">250</FONT>            }<a name="line.250"></a>
<FONT color="green">251</FONT>    <a name="line.251"></a>
<FONT color="green">252</FONT>    }<a name="line.252"></a>




























































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