/*

 * Copyright (c) 2000, 2016, 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.

 */

#warn This file is preprocessed before being compiled

package java.nio;

import jdk.internal.misc.Unsafe;

class ByteBufferAs$Type$Buffer$RW$$BO$                  // package-private

    extends {#if[ro]?ByteBufferAs}$Type$Buffer{#if[ro]?$BO$}

{

#if[rw]

    // Cached unsafe-access object

    private static final Unsafe unsafe = Bits.unsafe();

    protected final ByteBuffer bb;

#end[rw]

    ByteBufferAs$Type$Buffer$RW$$BO$(ByteBuffer bb) {   // package-private

#if[rw]

        super(-1, 0,

              bb.remaining() >> $LG_BYTES_PER_VALUE$,

              bb.remaining() >> $LG_BYTES_PER_VALUE$);

        this.bb = bb;

        // enforce limit == capacity

        int cap = this.capacity();

        this.limit(cap);

        int pos = this.position();

        assert (pos <= cap);

        address = bb.address;

#else[rw]

        super(bb);

#end[rw]

    }

    ByteBufferAs$Type$Buffer$RW$$BO$(ByteBuffer bb,

                                     int mark, int pos, int lim, int cap,

                                     long addr)

    {

#if[rw]

        super(mark, pos, lim, cap);

        this.bb = bb;

        address = addr;

        assert address >= bb.address;

#else[rw]

        super(bb, mark, pos, lim, cap, addr);

#end[rw]

    }

    public $Type$Buffer slice() {

        int pos = this.position();

        int lim = this.limit();

        assert (pos <= lim);

        int rem = (pos <= lim ? lim - pos : 0);

        long addr = byteOffset(pos);

        return new ByteBufferAs$Type$Buffer$RW$$BO$(bb, -1, 0, rem, rem, addr);

    }

    public $Type$Buffer duplicate() {

        return new ByteBufferAs$Type$Buffer$RW$$BO$(bb,

                                                    this.markValue(),

                                                    this.position(),

                                                    this.limit(),

                                                    this.capacity(),

                                                    address);

    }

    public $Type$Buffer asReadOnlyBuffer() {

#if[rw]

        return new ByteBufferAs$Type$BufferR$BO$(bb,

                                                 this.markValue(),

                                                 this.position(),

                                                 this.limit(),

                                                 this.capacity(),

                                                 address);

#else[rw]

        return duplicate();

#end[rw]

    }

#if[rw]

    private int ix(int i) {

        int off = (int) (address - bb.address);

        return (i << $LG_BYTES_PER_VALUE$) + off;

    }

    protected long byteOffset(long i) {

        return (i << $LG_BYTES_PER_VALUE$) + address;

    }

    public $type$ get() {

        $memtype$ x = unsafe.get$Memtype$Unaligned(bb.hb, byteOffset(nextGetIndex()),

            {#if[boB]?true:false});

        return $fromBits$(x);

    }

    public $type$ get(int i) {

        $memtype$ x = unsafe.get$Memtype$Unaligned(bb.hb, byteOffset(checkIndex(i)),

            {#if[boB]?true:false});

        return $fromBits$(x);

    }

#if[streamableType]

   $type$ getUnchecked(int i) {

        $memtype$ x = unsafe.get$Memtype$Unaligned(bb.hb, byteOffset(i),

            {#if[boB]?true:false});

        return $fromBits$(x);

    }

#end[streamableType]

#end[rw]

    public $Type$Buffer put($type$ x) {

#if[rw]

        $memtype$ y = $toBits$(x);

        unsafe.put$Memtype$Unaligned(bb.hb, byteOffset(nextPutIndex()), y,

            {#if[boB]?true:false});

        return this;

#else[rw]

        throw new ReadOnlyBufferException();

#end[rw]

    }

    public $Type$Buffer put(int i, $type$ x) {

#if[rw]

        $memtype$ y = $toBits$(x);

        unsafe.put$Memtype$Unaligned(bb.hb, byteOffset(checkIndex(i)), y,

            {#if[boB]?true:false});

        return this;

#else[rw]

        throw new ReadOnlyBufferException();

#end[rw]

    }

    public $Type$Buffer compact() {

#if[rw]

        int pos = position();

        int lim = limit();

        assert (pos <= lim);

        int rem = (pos <= lim ? lim - pos : 0);

        ByteBuffer db = bb.duplicate();

        db.limit(ix(lim));

        db.position(ix(0));

        ByteBuffer sb = db.slice();

        sb.position(pos << $LG_BYTES_PER_VALUE$);

        sb.compact();

        position(rem);

        limit(capacity());

        discardMark();

        return this;

#else[rw]

        throw new ReadOnlyBufferException();

#end[rw]

    }

    public boolean isDirect() {

        return bb.isDirect();

    }

    public boolean isReadOnly() {

        return {#if[rw]?false:true};

    }

#if[char]

    public String toString(int start, int end) {

        if ((end > limit()) || (start > end))

            throw new IndexOutOfBoundsException();

        try {

            int len = end - start;

            char[] ca = new char[len];

            CharBuffer cb = CharBuffer.wrap(ca);

            CharBuffer db = this.duplicate();

            db.position(start);

            db.limit(end);

            cb.put(db);

            return new String(ca);

        } catch (StringIndexOutOfBoundsException x) {

            throw new IndexOutOfBoundsException();

        }

    }

    // --- Methods to support CharSequence ---

    public CharBuffer subSequence(int start, int end) {

        int pos = position();

        int lim = limit();

        assert (pos <= lim);

        pos = (pos <= lim ? pos : lim);

        int len = lim - pos;

        if ((start < 0) || (end > len) || (start > end))

            throw new IndexOutOfBoundsException();

        return new ByteBufferAsCharBuffer$RW$$BO$(bb,

                                                  -1,

                                                  pos + start,

                                                  pos + end,

                                                  capacity(),

                                                  address);

    }

#end[char]

    public ByteOrder order() {

#if[boB]

        return ByteOrder.BIG_ENDIAN;

#end[boB]

#if[boL]

        return ByteOrder.LITTLE_ENDIAN;

#end[boL]

    }

}