/*

 * Copyright 1997 Sun Microsystems, Inc.  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.

 *

 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/**/

import java.io.*;

public class CharGenerator {

    private IntGenerator r;

    int min = 0, max = 0xffff;

    public CharGenerator(IntGenerator r) {

        this.r = r;

    }

    public CharGenerator(IntGenerator r, int min, int max) {

        this.r = r;

        this.min = min;

        this.max = max;

    }

    public char next() {

        char c;

        do

            c = (char) (r.next(max - min) + min);

        while ((c == '\r') || (c == '\n')

               || ((c >= 0xd800) && (c <= 0xdfff))

               || (c == 0xfffe));

        return c;

    }

}