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package com.wcohen.ss.tokens;
import com.wcohen.ss.api.*;
/**
* An interned version of a string, with provinance information
*
*/
public class BasicSourcedToken extends BasicToken implements SourcedToken
{
private final String source;
BasicSourcedToken(int index,String value,String source) {
super(index,value);
this.source = source;
}
public String getSource() { return source; }
public int compareTo(Object o) {
SourcedToken t = (SourcedToken)o;
int d = t.getValue().compareTo(value);
if (d!=0) return d;
return t.getSource().compareTo(source);
}
public boolean equals(Object o) {
return compareTo(o)==0;
}
public int hashCode() { return (value+"@"+source).hashCode(); }
public String toString() { return "[tok "+getIndex()+":"+getValue()+" src:"+source+"]"; }
}
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