1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
package com.wcohen.ss.tokens;
import java.io.Serializable;
import com.wcohen.ss.api.*;
/**
* An interned version of a string.
*
*/
public class BasicToken implements Token, Comparable, Serializable
{
protected final int index;
protected final String value;
BasicToken(int index,String value) {
this.index = index;
this.value = value;
}
public String getValue() { return value; }
public int getIndex() { return index; }
public int compareTo(Object o) {
Token t = (Token)o;
return index - t.getIndex();
}
public int hashCode() { return value.hashCode(); }
public String toString() { return "[tok "+getIndex()+":"+getValue()+"]"; }
public boolean equals(Object t) {
if (t instanceof BasicToken) return this.hashCode() == (t.hashCode());
return super.equals(t);
}
}
|
