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// CollationElementIterator.java - Iterate over decomposed characters.
/* Copyright (C) 1999 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.text;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date March 25, 1999
*/
/* Written using "Java Class Libraries", 2nd edition, plus online
* API docs for JDK 1.2 from http://www.javasoft.com.
* Status: Believed complete and correct to JDK 1.1.
*/
public final class CollationElementIterator
{
public static final int NULLORDER = 0xffffffff;
public int next ()
{
if (index == text.length())
return NULLORDER;
return collator.ceiNext(this);
}
// This one returns int while the others return short.
public static final int primaryOrder (int order)
{
// From the JDK 1.2 spec.
return order >>> 16;
}
public void reset ()
{
index = 0;
}
public static final short secondaryOrder (int order)
{
// From the JDK 1.2 spec.
return (order >>> 8) & 255;
}
public static final short tertiaryOrder (int order)
{
// From the JDK 1.2 spec.
return order & 255;
}
// Non-public constructor.
CollationElementIterator (String text, RuleBasedCollator collator)
{
this.text = text;
this.index = 0;
this.lookahead_set = false;
this.lookahead = 0;
this.collator = collator;
}
// Text over which we iterate.
String text;
// Index of next character to examine in TEXT.
int index;
// A piece of lookahead.
boolean lookahead_set;
int lookahead;
// The RuleBasedCollator which created this object.
RuleBasedCollator collator;
}
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