67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/**
|
|
*******************************************************************************
|
|
* Copyright (C) 1996-2001, International Business Machines Corporation and *
|
|
* others. All Rights Reserved. *
|
|
*******************************************************************************
|
|
*
|
|
* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/UCA/RuleComparator.java,v $
|
|
* $Date: 2001/08/31 00:20:40 $
|
|
* $Revision: 1.2 $
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
package com.ibm.text.UCA;
|
|
|
|
import com.ibm.text.UCD.*;
|
|
import com.ibm.text.utility.*;
|
|
|
|
public final class RuleComparator implements java.util.Comparator {
|
|
|
|
public int compare(Object s, Object t) {
|
|
String ss = (String)s;
|
|
String tt = (String)t;
|
|
|
|
// compare just the initial portions of each level, FIRST
|
|
// only if there is a difference outside of the initial level do we stop
|
|
// we assume that there are the same number of levels!!
|
|
|
|
int si = 0;
|
|
int ti = 0;
|
|
int result = 0;
|
|
try {
|
|
while (si < ss.length() && ti < tt.length()) {
|
|
char cs = ss.charAt(si++);
|
|
char ct = tt.charAt(ti++);
|
|
|
|
if (cs == ct) continue;
|
|
/*
|
|
if (cs == 0) {
|
|
if (result == 0) result = -1;
|
|
while (ct != 0 && ti < tt.length()) {
|
|
ct = tt.charAt(ti++);
|
|
}
|
|
continue;
|
|
}
|
|
if (ct == 0) {
|
|
if (result == 0) result = 1;
|
|
while (cs != 0 && si < ss.length()) {
|
|
cs = ss.charAt(si++);
|
|
}
|
|
continue;
|
|
}
|
|
*/
|
|
if (cs < ct) return -1;
|
|
return 1;
|
|
}
|
|
} catch (StringIndexOutOfBoundsException e) {
|
|
System.out.println("WHOOPS: ");
|
|
System.out.println(si + ", " + Utility.hex(ss));
|
|
System.out.println(ti + ", " + Utility.hex(tt));
|
|
}
|
|
if (result != 0) return result;
|
|
if (ss.length() > tt.length()) return 1;
|
|
if (ss.length() < tt.length()) return -1;
|
|
return 0;
|
|
}
|
|
} |