/*

 * Copyright (c) 2015, 2018, 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.

 */

import java.nio.ByteBuffer;

final class LiteralWithIndexingWriter extends IndexNameValueWriter {

    private boolean tableUpdated;

    private CharSequence name;

    private CharSequence value;

    private int index;

    LiteralWithIndexingWriter() {

        super(0b0100_0000, 6);

    }

    @Override

    LiteralWithIndexingWriter index(int index) {

        super.index(index);

        this.index = index;

        return this;

    }

    @Override

    LiteralWithIndexingWriter name(CharSequence name, boolean useHuffman) {

        super.name(name, useHuffman);

        this.name = name;

        return this;

    }

    @Override

    LiteralWithIndexingWriter value(CharSequence value, boolean useHuffman) {

        super.value(value, useHuffman);

        this.value = value;

        return this;

    }

    @Override

    public boolean write(HeaderTable table, ByteBuffer destination) {

        if (!tableUpdated) {

            CharSequence n;

            if (indexedRepresentation) {

                n = table.get(index).name;

            } else {

                n = name;

            }

            table.put(n, value);

            tableUpdated = true;

        }

        return super.write(table, destination);

    }

    @Override

    public IndexNameValueWriter reset() {

        tableUpdated = false;

        name = null;

        value = null;

        index = -1;

        return super.reset();

    }

}