edu.berkeley.nlp.discPCFG.LexiconFeature Maven / Gradle / Ivy

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The Berkeley parser analyzes the grammatical structure of natural language using probabilistic context-free grammars (PCFGs).

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/**
 * 
 */
package edu.berkeley.nlp.discPCFG;

/**
 * @author adpauls
 *
 */
public class LexiconFeature {
	

	public static enum MorphFeature
	{
	 HAS_DIGIT,HAS_DASH,INIT_CAP,KNOWNLC,ALL_CAPS,LOWER_CASE,SUFF_S,SUFF_ED,
	 SUFF_ING,SUFF_ION,SUFF_ER,SUFF_EST,SUFF_LY,SUFF_ITY, SUFF_Y,SUFF_AL,ACTUAL_WORD;
	}
	  
		private String actualWord = null;
		private MorphFeature morphFeature;
		LexiconFeature(MorphFeature morphFeature){ this.morphFeature = morphFeature;}
		LexiconFeature(String actualWord)
		{
			this.actualWord = actualWord;
		}
	      
		public boolean equals(Object o)
		{
			if (!(o instanceof LexiconFeature))
				return false;
			LexiconFeature rhs = (LexiconFeature)o;
			return toString().equals(rhs.toString());
		}
		
		public int hashCode()
		{
			return toString().hashCode();
		}
		
		public String toString()
		{
			if (actualWord != null) return actualWord;
			else return "MORPH::" + morphFeature;
		}
}