/* * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.text; import sun.text.normalizer.NormalizerBase;import sun.text.normalizer.NormalizerImpl; public final class ComposedCharIter {    /**     * Constant that indicates the iteration has completed.     * {@link #next} returns this value when there are no more composed characters     * over which to iterate.     */    public static final int DONE = NormalizerBase.DONE;     //cache the decomps mapping, so the seconde composedcharIter does    //not need to get the data again.    private static int chars[];    private static String decomps[];    private static int decompNum;     static {        int maxNum = 2000;     //TBD: Unicode 4.0 only has 1926 canoDecomp...        chars = new int[maxNum];        decomps = new String[maxNum];        decompNum = NormalizerImpl.getDecompose(chars, decomps);    }     /**     * Construct a new <tt>ComposedCharIter</tt>.  The iterator will return     * all Unicode characters with canonical decompositions, excluding Korean     * Hangul characters.     */    public ComposedCharIter() { }     /**     * Returns the next precomposed Unicode character.     * Repeated calls to <tt>next</tt> return all of the precomposed characters defined     * by Unicode, in ascending order.  After all precomposed characters have     * been returned, {@link #hasNext} will return <tt>false</tt> and further calls     * to <tt>next</tt> will return {@link #DONE}.     */    public int next() {        if (curChar == decompNum - 1) {            return DONE;        }        return chars[++curChar];    }     /**     * Returns the Unicode decomposition of the current character.     * This method returns the decomposition of the precomposed character most     * recently returned by {@link #next}.  The resulting decomposition is     * affected by the settings of the options passed to the constructor.     */    public String decomposition() {        return decomps[curChar];    }    private int curChar = -1;}