248606ee91
2003-02-11 Michael Koch <konqueror@gmx.de> * gnu/java/nio/ByteBufferImpl.java: Reformated and removed some code. (backing_buffer): Removed. (array_offset): Removed. (ro): Renamed to readOnly. (ByteBufferImpl): Use parent constructor, initialize readOnly. * gnu/java/nio/CharBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (CharBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/DoubleBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (DoubleBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/FloatBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (FloatBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/IntBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (IntBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/LongBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (LongBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/ShortBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (ShortBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * Makefile.am (ordinary_java_source_files): Added the following files: gnu/java/nio/ByteBufferImpl.java gnu/java/nio/CharBufferImpl.java gnu/java/nio/DoubleBufferImpl.java gnu/java/nio/FloatBufferImpl.java gnu/java/nio/IntBufferImpl.java gnu/java/nio/LongBufferImpl.java gnu/java/nio/ShortBufferImpl.java java/nio/DoubleBuffer.java java/nio/FloatBuffer.java java/nio/IntBuffer.java java/nio/LongBuffer.java java/nio/ShortBuffer.java (nat_source_files): Added the following files: gnu/java/nio/natByteBufferImpl.cc gnu/java/nio/natCharBufferImpl.cc gnu/java/nio/natDoubleBufferImpl.cc gnu/java/nio/natFloatBufferImpl.cc gnu/java/nio/natIntBufferImpl.cc gnu/java/nio/natLongBufferImpl.cc gnu/java/nio/natShortBufferImpl.cc * Makefile.in: Regenerated. From-SVN: r62692
161 lines
4.2 KiB
Java
161 lines
4.2 KiB
Java
/* FloatBufferImpl.java --
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.nio;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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import java.nio.ReadOnlyBufferException;
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/**
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* This is a Heap memory implementation
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*/
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public final class FloatBufferImpl extends FloatBuffer
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{
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private boolean readOnly;
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public FloatBufferImpl(int cap, int off, int lim)
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{
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super (cap, lim, off, 0);
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this.backing_buffer = new float [cap];
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readOnly = false;
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}
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public FloatBufferImpl(float[] array, int off, int lim)
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{
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super (array.length, lim, off, 0);
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this.backing_buffer = array;
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readOnly = false;
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}
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public FloatBufferImpl(FloatBufferImpl copy)
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{
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super (copy.capacity (), copy.limit (), copy.position (), 0);
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backing_buffer = copy.backing_buffer;
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readOnly = copy.isReadOnly ();
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}
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private static native float[] nio_cast (byte[] copy);
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FloatBufferImpl (byte[] copy)
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{
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super (copy.length, copy.length, 0, 0);
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this.backing_buffer = copy != null ? nio_cast (copy) : null;
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readOnly = false;
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}
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private static native byte nio_get_Byte (FloatBufferImpl b, int index, int limit);
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private static native void nio_put_Byte (FloatBufferImpl b, int index, int limit, byte value);
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public ByteBuffer asByteBuffer()
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{
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ByteBufferImpl res = new ByteBufferImpl (backing_buffer);
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res.limit ((limit () * 1) / 4);
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return res;
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}
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public boolean isReadOnly ()
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{
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return readOnly;
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}
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public FloatBuffer slice()
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{
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return new FloatBufferImpl (this);
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}
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public FloatBuffer duplicate()
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{
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return new FloatBufferImpl(this);
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}
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public FloatBuffer asReadOnlyBuffer()
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{
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FloatBufferImpl result = new FloatBufferImpl (this);
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result.readOnly = true;
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return result;
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}
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public FloatBuffer compact()
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{
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return this;
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}
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public boolean isDirect()
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{
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return false;
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}
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final public float get()
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{
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float e = backing_buffer[position()];
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position(position()+1);
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return e;
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}
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final public FloatBuffer put(float b)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer[position()] = b;
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position(position()+1);
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return this;
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}
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final public float get(int index)
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{
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return backing_buffer[index];
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}
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final public FloatBuffer put(int index, float b)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer[index] = b;
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return this;
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}
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final public ByteOrder order ()
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{
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return ByteOrder.BIG_ENDIAN;
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}
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}
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