/*

 * Copyright (c) 2005, 2020, 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,

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 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package sun.text;

import jdk.internal.icu.lang.UCharacter;

import jdk.internal.icu.text.NormalizerBase;

/**

 * This Normalizer is for Unicode 3.2 support for IDNA only.

 * Developers should not use this class.

 *

 * @since 1.6

 */

public final class Normalizer {

    private Normalizer() {};

    /**

     * Option to select Unicode 3.2 (without corrigendum 4 corrections) for

     * normalization.

     */

    public static final int UNICODE_3_2 = NormalizerBase.UNICODE_3_2_0_ORIGINAL;

    /**

     * Normalize a sequence of char values.

     * The sequence will be normalized according to the specified normalization

     * from.

     * @param src        The sequence of char values to normalize.

     * @param form       The normalization form; one of

     *                   {@link java.text.Normalizer.Form#NFC},

     *                   {@link java.text.Normalizer.Form#NFD},

     *                   {@link java.text.Normalizer.Form#NFKC},

     *                   {@link java.text.Normalizer.Form#NFKD}

     * @param option     The normalization option;

     *                   {@link sun.text.Normalizer#UNICODE_3_2}

     * @return The normalized String

     * @throws NullPointerException If <code>src</code> or <code>form</code>

     * is null.

     */

    public static String normalize(CharSequence src,

                                   java.text.Normalizer.Form form,

                                   int option) {

        return NormalizerBase.normalize(src.toString(), form, option);

    };

    /**

     * Determines if the given sequence of char values is normalized.

     * @param src        The sequence of char values to be checked.

     * @param form       The normalization form; one of

     *                   {@link java.text.Normalizer.Form#NFC},

     *                   {@link java.text.Normalizer.Form#NFD},

     *                   {@link java.text.Normalizer.Form#NFKC},

     *                   {@link java.text.Normalizer.Form#NFKD}

     * @param option     The normalization option;

     *                   {@link sun.text.Normalizer#UNICODE_3_2}

     * @return true if the sequence of char values is normalized;

     * false otherwise.

     * @throws NullPointerException If <code>src</code> or <code>form</code>

     * is null.

     */

    public static boolean isNormalized(CharSequence src,

                                       java.text.Normalizer.Form form,

                                       int option) {

        return NormalizerBase.isNormalized(src.toString(), form, option);

    }

    /**

     * Returns the combining class of the given character

     * @param ch character to retrieve combining class of

     * @return combining class of the given character

     */

    public static final int getCombiningClass(int ch) {

        return UCharacter.getCombiningClass(ch);

    }

}