ByteBufferImpl.java, [...]: Moved files to java/nio.
2003-05-20 Michael Koch <konqueror@gmx.de> * gnu/java/nio/ByteBufferImpl.java, gnu/java/nio/CharBufferImpl.java, gnu/java/nio/CharViewBufferImpl.java, gnu/java/nio/DirectByteBufferImpl.java, gnu/java/nio/DoubleBufferImpl.java, gnu/java/nio/DoubleViewBufferImpl.java, gnu/java/nio/FloatBufferImpl.java, gnu/java/nio/FloatViewBufferImpl.java, gnu/java/nio/IntBufferImpl.java, gnu/java/nio/IntViewBufferImpl.java, gnu/java/nio/LongBufferImpl.java, gnu/java/nio/LongViewBufferImpl.java, gnu/java/nio/natDirectByteBufferImpl.cc, gnu/java/nio/ShortBufferImpl.java, gnu/java/nio/ShortViewBufferImpl.java: Moved files to java/nio. * gnu/java/nio/SocketChannelImpl.java * java/nio/ByteBuffer.java, java/nio/CharBuffer.java, java/nio/DoubleBuffer.java, java/nio/FloatBuffer.java, java/nio/IntBuffer.java, java/nio/LongBuffer.java, java/nio/ShortBuffer.java: Dont import anything. * java/nio/ByteBufferImpl.java, java/nio/CharBufferImpl.java, java/nio/CharViewBufferImpl.java, java/nio/DirectByteBufferImpl.java, java/nio/DoubleBufferImpl.java, java/nio/DoubleViewBufferImpl.java, java/nio/FloatBufferImpl.java, java/nio/FloatViewBufferImpl.java, java/nio/IntBufferImpl.java, java/nio/IntViewBufferImpl.java, java/nio/LongBufferImpl.java, java/nio/LongViewBufferImpl.java, java/nio/natDirectByteBufferImpl.cc, java/nio/ShortBufferImpl.java, java/nio/ShortViewBufferImpl.java: Moved from gnu/java/nio. * Makefile.am (ordinary_java_source_files): Moved files from gnu/java/nio to java/nio. (nat_source_files): Moved natDirectByteBufferImpl.cc from gnu/java/nio to java/nio. * Makefile.in: Regenerated. From-SVN: r66990
This commit is contained in:
Michael Koch
Michael Koch
parent
1db0418ae5
commit
3a5eb28322
26 changed files with 145 additions and 193 deletions
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@ -35,10 +35,8 @@ 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 java.nio;
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import gnu.java.nio.ByteBufferImpl;
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import gnu.java.nio.DirectByteBufferImpl;
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package java.nio;
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/**
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* @since 1.4
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422
libjava/java/nio/ByteBufferImpl.java
Normal file
422
libjava/java/nio/ByteBufferImpl.java
Normal file
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@ -0,0 +1,422 @@
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/* ByteBufferImpl.java --
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Copyright (C) 2002, 2003 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 java.nio;
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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 ByteBufferImpl extends ByteBuffer
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{
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private boolean readOnly;
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ByteBufferImpl (int capacity)
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{
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this (new byte [capacity], 0, capacity, capacity, 0, -1, false);
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}
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ByteBufferImpl (byte[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
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{
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super (buffer, offset, capacity, limit, position, mark);
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this.readOnly = readOnly;
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}
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public CharBuffer asCharBuffer ()
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{
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return new CharViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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}
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public ShortBuffer asShortBuffer ()
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{
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return new ShortViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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}
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public IntBuffer asIntBuffer ()
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{
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return new IntViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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}
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public LongBuffer asLongBuffer ()
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{
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return new LongViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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}
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public FloatBuffer asFloatBuffer ()
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{
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return new FloatViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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}
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public DoubleBuffer asDoubleBuffer ()
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{
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return new DoubleViewBufferImpl (this, position (), remaining(), remaining (), 0, -1, isReadOnly ());
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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 ByteBuffer slice ()
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{
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return new ByteBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
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}
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public ByteBuffer duplicate ()
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{
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return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
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}
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public ByteBuffer asReadOnlyBuffer ()
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{
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return new ByteBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
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}
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public ByteBuffer compact ()
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{
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int copied = 0;
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while (remaining () > 0)
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{
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put (copied, get ());
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copied++;
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}
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position (copied);
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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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/**
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* Relative get method. Reads the next <code>byte</code> from the buffer.
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*/
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final public byte get ()
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{
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byte result = backing_buffer [position ()];
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position (position () + 1);
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return result;
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}
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/**
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* Relative put method. Writes <code>value</code> to the next position
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* in the buffer.
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*
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* @exception ReadOnlyBufferException If this buffer is read-only.
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*/
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final public ByteBuffer put (byte value)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer [position ()] = value;
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position (position () + 1);
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return this;
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}
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/**
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* Absolute get method. Reads the <code>byte</code> at position
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* <code>index</code>.
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*
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* @exception IndexOutOfBoundsException If index is negative or not smaller
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* than the buffer's limit.
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*/
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final public byte get (int index)
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{
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return backing_buffer [index];
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}
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/**
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* Absolute put method. Writes <code>value</value> to position
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* <code>index</code> in the buffer.
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*
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* @exception IndexOutOfBoundsException If index is negative or not smaller
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* than the buffer's limit.
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* @exception ReadOnlyBufferException If this buffer is read-only.
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*/
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final public ByteBuffer put (int index, byte value)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer [index] = value;
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return this;
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}
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final public char getChar ()
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{
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// FIXME: this handles big endian only
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return (char) (((get () & 0xff) << 8) + (get () & 0xff));
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}
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final public ByteBuffer putChar (char value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((((int) value) & 0xff00) >> 8));
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put ((byte) (((int) value) & 0x00ff));
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return this;
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}
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final public char getChar (int index)
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{
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// FIXME: this handles big endian only
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return (char) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
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}
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final public ByteBuffer putChar (int index, char value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((((int) value) & 0xff00) >> 8));
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put (index + 1, (byte) (((int) value) & 0x00ff));
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return this;
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}
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final public short getShort ()
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{
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// FIXME: this handles big endian only
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return (short) (((get () & 0xff) << 8) + (get () & 0xff));
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}
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final public ByteBuffer putShort (short value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((((int) value) & 0xff00) >> 8));
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put ((byte) (((int) value) & 0x00ff));
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return this;
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}
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final public short getShort (int index)
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{
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// FIXME: this handles big endian only
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return (short) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
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}
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final public ByteBuffer putShort (int index, short value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((((int) value) & 0xff00) >> 8));
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put (index + 1, (byte) (((int) value) & 0x00ff));
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return this;
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}
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final public int getInt ()
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{
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// FIXME: this handles big endian only
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return (int) (((get () & 0xff) << 24)
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+ (get () & 0xff) << 16
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+ (get () & 0xff) << 8
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+ (get () & 0xff));
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}
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final public ByteBuffer putInt (int value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((((int) value) & 0xff000000) >> 24));
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put ((byte) ((((int) value) & 0x00ff0000) >> 16));
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put ((byte) ((((int) value) & 0x0000ff00) >> 8));
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put ((byte) (((int) value) & 0x000000ff));
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return this;
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}
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final public int getInt (int index)
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{
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// FIXME: this handles big endian only
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return (int) (((get (index) & 0xff) << 24)
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+ (get (index + 1) & 0xff) << 16
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+ (get (index + 2) & 0xff) << 8
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+ (get (index + 3) & 0xff));
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}
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final public ByteBuffer putInt (int index, int value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((((int) value) & 0xff000000) >> 24));
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put (index + 1, (byte) ((((int) value) & 0x00ff0000) >> 16));
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put (index + 2, (byte) ((((int) value) & 0x0000ff00) >> 8));
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put (index + 3, (byte) (((int) value) & 0x000000ff));
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return this;
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}
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final public long getLong ()
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{
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// FIXME: this handles big endian only
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return (long) (((get () & 0xff) << 56)
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+ (get () & 0xff) << 48
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+ (get () & 0xff) << 40
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+ (get () & 0xff) << 32
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+ (get () & 0xff) << 24
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+ (get () & 0xff) << 16
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+ (get () & 0xff) << 8
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+ (get () & 0xff));
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}
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final public ByteBuffer putLong (long value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((value & 0xff00000000000000L) >> 56));
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put ((byte) ((value & 0x00ff000000000000L) >> 48));
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put ((byte) ((value & 0x0000ff0000000000L) >> 40));
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put ((byte) ((value & 0x000000ff00000000L) >> 32));
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put ((byte) ((value & 0x00000000ff000000L) >> 24));
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put ((byte) ((value & 0x0000000000ff0000L) >> 16));
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put ((byte) ((value & 0x000000000000ff00L) >> 8));
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put ((byte) (value & 0x00000000000000ffL));
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return this;
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}
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final public long getLong (int index)
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{
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// FIXME: this handles big endian only
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return (long) (((get (index) & 0xff) << 56)
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+ (get (index + 1) & 0xff) << 48
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+ (get (index + 2) & 0xff) << 40
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+ (get (index + 3) & 0xff) << 32
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+ (get (index + 4) & 0xff) << 24
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+ (get (index + 5) & 0xff) << 16
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+ (get (index + 6) & 0xff) << 8
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+ (get (index + 7) & 0xff));
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}
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final public ByteBuffer putLong (int index, long value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((value & 0xff00000000000000L) >> 56));
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put (index + 1, (byte) ((value & 0x00ff000000000000L) >> 48));
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put (index + 2, (byte) ((value & 0x0000ff0000000000L) >> 40));
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put (index + 3, (byte) ((value & 0x000000ff00000000L) >> 32));
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put (index + 4, (byte) ((value & 0x00000000ff000000L) >> 24));
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put (index + 5, (byte) ((value & 0x0000000000ff0000L) >> 16));
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put (index + 6, (byte) ((value & 0x000000000000ff00L) >> 8));
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put (index + 7, (byte) (value & 0x00000000000000ffL));
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return this;
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}
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final public float getFloat ()
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{
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// FIXME: this handles big endian only
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return (float) (((get () & 0xff) << 24)
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+ (get () & 0xff) << 16
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+ (get () & 0xff) << 8
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+ (get () & 0xff));
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}
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final public ByteBuffer putFloat (float value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((((int) value) & 0xff000000) >> 24));
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put ((byte) ((((int) value) & 0x00ff0000) >> 16));
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put ((byte) ((((int) value) & 0x0000ff00) >> 8));
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put ((byte) (((int) value) & 0x000000ff));
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return this;
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}
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final public float getFloat (int index)
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{
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// FIXME: this handles big endian only
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return (float) (((get (index) & 0xff) << 24)
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+ (get (index + 1) & 0xff) << 16
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+ (get (index + 2) & 0xff) << 8
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+ (get (index + 3) & 0xff));
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}
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final public ByteBuffer putFloat (int index, float value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((((int) value) & 0xff000000) >> 24));
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put (index + 1, (byte) ((((int) value) & 0x00ff0000) >> 16));
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put (index + 2, (byte) ((((int) value) & 0x0000ff00) >> 8));
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put (index + 3, (byte) (((int) value) & 0x000000ff));
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return this;
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}
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final public double getDouble ()
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{
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// FIXME: this handles big endian only
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return (double) (((get () & 0xff) << 56)
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+ (get () & 0xff) << 48
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+ (get () & 0xff) << 40
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+ (get () & 0xff) << 32
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+ (get () & 0xff) << 24
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+ (get () & 0xff) << 16
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+ (get () & 0xff) << 8
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+ (get () & 0xff));
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}
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final public ByteBuffer putDouble (double value)
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{
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// FIXME: this handles big endian only
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put ((byte) ((((long) value) & 0xff00000000000000L) >> 56));
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put ((byte) ((((long) value) & 0x00ff000000000000L) >> 48));
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put ((byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
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put ((byte) ((((long) value) & 0x000000ff00000000L) >> 32));
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put ((byte) ((((long) value) & 0x00000000ff000000L) >> 24));
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put ((byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
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put ((byte) ((((long) value) & 0x000000000000ff00L) >> 8));
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put ((byte) (((long) value) & 0x00000000000000ffL));
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return this;
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}
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final public double getDouble (int index)
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{
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// FIXME: this handles big endian only
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return (double) (((get (index) & 0xff) << 56)
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+ (get (index + 1) & 0xff) << 48
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+ (get (index + 2) & 0xff) << 40
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+ (get (index + 3) & 0xff) << 32
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+ (get (index + 4) & 0xff) << 24
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+ (get (index + 5) & 0xff) << 16
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+ (get (index + 6) & 0xff) << 8
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+ (get (index + 7) & 0xff));
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}
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final public ByteBuffer putDouble (int index, double value)
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{
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// FIXME: this handles big endian only
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put (index, (byte) ((((long) value) & 0xff00000000000000L) >> 56));
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put (index + 1, (byte) ((((long) value) & 0x00ff000000000000L) >> 48));
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put (index + 2, (byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
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put (index + 3, (byte) ((((long) value) & 0x000000ff00000000L) >> 32));
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put (index + 4, (byte) ((((long) value) & 0x00000000ff000000L) >> 24));
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put (index + 5, (byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
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put (index + 6, (byte) ((((long) value) & 0x000000000000ff00L) >> 8));
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put (index + 7, (byte) (((long) value) & 0x00000000000000ffL));
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return this;
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}
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}
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@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.CharBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
183
libjava/java/nio/CharBufferImpl.java
Normal file
183
libjava/java/nio/CharBufferImpl.java
Normal file
|
|
@ -0,0 +1,183 @@
|
|||
/* CharBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class CharBufferImpl extends CharBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
CharBufferImpl (int capacity)
|
||||
{
|
||||
this (new char [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
CharBufferImpl (char[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public CharBufferImpl (CharBufferImpl copy)
|
||||
{
|
||||
super (copy.capacity (), copy.limit (), copy.position (), 0);
|
||||
backing_buffer = copy.backing_buffer;
|
||||
readOnly = copy.isReadOnly ();
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public CharBuffer slice ()
|
||||
{
|
||||
return new CharBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public CharBuffer duplicate ()
|
||||
{
|
||||
return new CharBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public CharBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new CharBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public CharBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
final public CharSequence subSequence (int start, int end)
|
||||
{
|
||||
if (start < 0
|
||||
|| start > length ()
|
||||
|| end < start
|
||||
|| end > length ())
|
||||
throw new IndexOutOfBoundsException ();
|
||||
|
||||
return new CharBufferImpl (backing_buffer, array_offset, capacity (), position () + end, position () + start, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>char</code> from the buffer.
|
||||
*/
|
||||
final public char get ()
|
||||
{
|
||||
char result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public CharBuffer put (char value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>char</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public char get (int index)
|
||||
{
|
||||
if (index < 0
|
||||
|| index >= limit ())
|
||||
throw new IndexOutOfBoundsException ();
|
||||
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public CharBuffer put (int index, char value)
|
||||
{
|
||||
if (index < 0
|
||||
|| index >= limit ())
|
||||
throw new IndexOutOfBoundsException ();
|
||||
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
165
libjava/java/nio/CharViewBufferImpl.java
Normal file
165
libjava/java/nio/CharViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,165 @@
|
|||
/* CharViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class CharViewBufferImpl extends CharBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public CharViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 1, bb.remaining () >> 1, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from CharByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public CharViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 1, limit >> 1, position >> 1, mark >> 1);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from CharViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public char get ()
|
||||
{
|
||||
char result = bb.getChar ((position () << 1) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public char get (int index)
|
||||
{
|
||||
return bb.getChar ((index << 1) + offset);
|
||||
}
|
||||
|
||||
public CharBuffer put (char value)
|
||||
{
|
||||
bb.putChar ((position () << 1) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public CharBuffer put (int index, char value)
|
||||
{
|
||||
bb.putChar ((index << 1) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public CharBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putChar ((i >> 1) + offset,
|
||||
bb.getChar (((i + position ()) >> 1) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public CharBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new CharViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public CharBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new CharViewBufferImpl (bb, (position () >> 1) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public CharSequence subSequence (int start, int end)
|
||||
{
|
||||
if (start < 0
|
||||
|| start > length ()
|
||||
|| end < start
|
||||
|| end > length ())
|
||||
throw new IndexOutOfBoundsException ();
|
||||
|
||||
return new CharViewBufferImpl (bb, array_offset, capacity (), position () + end, position () + start, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public CharBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new CharViewBufferImpl (bb, (position () >> 1) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
416
libjava/java/nio/DirectByteBufferImpl.java
Normal file
416
libjava/java/nio/DirectByteBufferImpl.java
Normal file
|
|
@ -0,0 +1,416 @@
|
|||
/* DirectByteBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.gcj.RawData;
|
||||
|
||||
public class DirectByteBufferImpl extends ByteBuffer
|
||||
{
|
||||
private RawData address;
|
||||
private int offset;
|
||||
private boolean readOnly;
|
||||
|
||||
public DirectByteBufferImpl (RawData address, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (capacity, limit, position, mark);
|
||||
this.address = address;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
private static native RawData allocateImpl (int capacity);
|
||||
private static native void freeImpl (RawData address);
|
||||
|
||||
protected void finalize () throws Throwable
|
||||
{
|
||||
freeImpl (address);
|
||||
}
|
||||
|
||||
public static ByteBuffer allocateDirect (int capacity)
|
||||
{
|
||||
RawData address = allocateImpl (capacity);
|
||||
|
||||
if (address == null)
|
||||
throw new InternalError ("Not enough memory to create direct buffer");
|
||||
|
||||
return new DirectByteBufferImpl (address, 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
private native byte getImpl (int index);
|
||||
private native void putImpl (int index, byte value);
|
||||
|
||||
public byte get ()
|
||||
{
|
||||
byte result = getImpl (position () + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public byte get (int index)
|
||||
{
|
||||
return getImpl (index);
|
||||
}
|
||||
|
||||
public ByteBuffer put (byte value)
|
||||
{
|
||||
putImpl (position (), value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public ByteBuffer put (int index, byte value)
|
||||
{
|
||||
putImpl (index, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public ByteBuffer compact ()
|
||||
{
|
||||
// FIXME this can sure be optimized using memcpy()
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public ByteBuffer duplicate ()
|
||||
{
|
||||
return new DirectByteBufferImpl (
|
||||
address, offset, capacity (), limit (), position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public ByteBuffer slice ()
|
||||
{
|
||||
return new DirectByteBufferImpl (address, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public ByteBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new DirectByteBufferImpl (
|
||||
address, offset, capacity (), limit (), position (), -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
public CharBuffer asCharBuffer ()
|
||||
{
|
||||
return new CharViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public DoubleBuffer asDoubleBuffer ()
|
||||
{
|
||||
return new DoubleViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public FloatBuffer asFloatBuffer ()
|
||||
{
|
||||
return new FloatViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public IntBuffer asIntBuffer ()
|
||||
{
|
||||
return new IntViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public LongBuffer asLongBuffer ()
|
||||
{
|
||||
return new LongViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public ShortBuffer asShortBuffer ()
|
||||
{
|
||||
return new ShortViewBufferImpl (this, position () + offset, remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
final public char getChar ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (char) (((get () & 0xff) << 8) + (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putChar (char value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((((int) value) & 0xff00) >> 8));
|
||||
put ((byte) (((int) value) & 0x00ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public char getChar (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (char) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putChar (int index, char value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((((int) value) & 0xff00) >> 8));
|
||||
put (index + 1, (byte) (((int) value) & 0x00ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public short getShort ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (short) (((get () & 0xff) << 8) + (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putShort (short value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((((int) value) & 0xff00) >> 8));
|
||||
put ((byte) (((int) value) & 0x00ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public short getShort (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (short) (((get (index) & 0xff) << 8) + (get (index + 1) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putShort (int index, short value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((((int) value) & 0xff00) >> 8));
|
||||
put (index + 1, (byte) (((int) value) & 0x00ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public int getInt ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (int) (((get () & 0xff) << 24)
|
||||
+ (get () & 0xff) << 16
|
||||
+ (get () & 0xff) << 8
|
||||
+ (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putInt (int value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((((int) value) & 0xff000000) >> 24));
|
||||
put ((byte) ((((int) value) & 0x00ff0000) >> 16));
|
||||
put ((byte) ((((int) value) & 0x0000ff00) >> 8));
|
||||
put ((byte) (((int) value) & 0x000000ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public int getInt (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (int) (((get (index) & 0xff) << 24)
|
||||
+ (get (index + 1) & 0xff) << 16
|
||||
+ (get (index + 2) & 0xff) << 8
|
||||
+ (get (index + 3) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putInt (int index, int value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((((int) value) & 0xff000000) >> 24));
|
||||
put (index + 1, (byte) ((((int) value) & 0x00ff0000) >> 16));
|
||||
put (index + 2, (byte) ((((int) value) & 0x0000ff00) >> 8));
|
||||
put (index + 3, (byte) (((int) value) & 0x000000ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public long getLong ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (long) (((get () & 0xff) << 56)
|
||||
+ (get () & 0xff) << 48
|
||||
+ (get () & 0xff) << 40
|
||||
+ (get () & 0xff) << 32
|
||||
+ (get () & 0xff) << 24
|
||||
+ (get () & 0xff) << 16
|
||||
+ (get () & 0xff) << 8
|
||||
+ (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putLong (long value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((value & 0xff00000000000000L) >> 56));
|
||||
put ((byte) ((value & 0x00ff000000000000L) >> 48));
|
||||
put ((byte) ((value & 0x0000ff0000000000L) >> 40));
|
||||
put ((byte) ((value & 0x000000ff00000000L) >> 32));
|
||||
put ((byte) ((value & 0x00000000ff000000L) >> 24));
|
||||
put ((byte) ((value & 0x0000000000ff0000L) >> 16));
|
||||
put ((byte) ((value & 0x000000000000ff00L) >> 8));
|
||||
put ((byte) (value & 0x00000000000000ffL));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public long getLong (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (long) (((get (index) & 0xff) << 56)
|
||||
+ (get (index + 1) & 0xff) << 48
|
||||
+ (get (index + 2) & 0xff) << 40
|
||||
+ (get (index + 3) & 0xff) << 32
|
||||
+ (get (index + 4) & 0xff) << 24
|
||||
+ (get (index + 5) & 0xff) << 16
|
||||
+ (get (index + 6) & 0xff) << 8
|
||||
+ (get (index + 7) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putLong (int index, long value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((value & 0xff00000000000000L) >> 56));
|
||||
put (index + 1, (byte) ((value & 0x00ff000000000000L) >> 48));
|
||||
put (index + 2, (byte) ((value & 0x0000ff0000000000L) >> 40));
|
||||
put (index + 3, (byte) ((value & 0x000000ff00000000L) >> 32));
|
||||
put (index + 4, (byte) ((value & 0x00000000ff000000L) >> 24));
|
||||
put (index + 5, (byte) ((value & 0x0000000000ff0000L) >> 16));
|
||||
put (index + 6, (byte) ((value & 0x000000000000ff00L) >> 8));
|
||||
put (index + 7, (byte) (value & 0x00000000000000ffL));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public float getFloat ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (float) (((get () & 0xff) << 24)
|
||||
+ (get () & 0xff) << 16
|
||||
+ (get () & 0xff) << 8
|
||||
+ (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putFloat (float value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((((int) value) & 0xff000000) >> 24));
|
||||
put ((byte) ((((int) value) & 0x00ff0000) >> 16));
|
||||
put ((byte) ((((int) value) & 0x0000ff00) >> 8));
|
||||
put ((byte) (((int) value) & 0x000000ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public float getFloat (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (float) (((get (index) & 0xff) << 24)
|
||||
+ (get (index + 1) & 0xff) << 16
|
||||
+ (get (index + 2) & 0xff) << 8
|
||||
+ (get (index + 3) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putFloat (int index, float value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((((int) value) & 0xff000000) >> 24));
|
||||
put (index + 1, (byte) ((((int) value) & 0x00ff0000) >> 16));
|
||||
put (index + 2, (byte) ((((int) value) & 0x0000ff00) >> 8));
|
||||
put (index + 3, (byte) (((int) value) & 0x000000ff));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public double getDouble ()
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (double) (((get () & 0xff) << 56)
|
||||
+ (get () & 0xff) << 48
|
||||
+ (get () & 0xff) << 40
|
||||
+ (get () & 0xff) << 32
|
||||
+ (get () & 0xff) << 24
|
||||
+ (get () & 0xff) << 16
|
||||
+ (get () & 0xff) << 8
|
||||
+ (get () & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putDouble (double value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put ((byte) ((((long) value) & 0xff00000000000000L) >> 56));
|
||||
put ((byte) ((((long) value) & 0x00ff000000000000L) >> 48));
|
||||
put ((byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
|
||||
put ((byte) ((((long) value) & 0x000000ff00000000L) >> 32));
|
||||
put ((byte) ((((long) value) & 0x00000000ff000000L) >> 24));
|
||||
put ((byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
|
||||
put ((byte) ((((long) value) & 0x000000000000ff00L) >> 8));
|
||||
put ((byte) (((long) value) & 0x00000000000000ffL));
|
||||
return this;
|
||||
}
|
||||
|
||||
final public double getDouble (int index)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
return (double) (((get (index) & 0xff) << 56)
|
||||
+ (get (index + 1) & 0xff) << 48
|
||||
+ (get (index + 2) & 0xff) << 40
|
||||
+ (get (index + 3) & 0xff) << 32
|
||||
+ (get (index + 4) & 0xff) << 24
|
||||
+ (get (index + 5) & 0xff) << 16
|
||||
+ (get (index + 6) & 0xff) << 8
|
||||
+ (get (index + 7) & 0xff));
|
||||
}
|
||||
|
||||
final public ByteBuffer putDouble (int index, double value)
|
||||
{
|
||||
// FIXME: this handles big endian only
|
||||
put (index, (byte) ((((long) value) & 0xff00000000000000L) >> 56));
|
||||
put (index + 1, (byte) ((((long) value) & 0x00ff000000000000L) >> 48));
|
||||
put (index + 2, (byte) ((((long) value) & 0x0000ff0000000000L) >> 40));
|
||||
put (index + 3, (byte) ((((long) value) & 0x000000ff00000000L) >> 32));
|
||||
put (index + 4, (byte) ((((long) value) & 0x00000000ff000000L) >> 24));
|
||||
put (index + 5, (byte) ((((long) value) & 0x0000000000ff0000L) >> 16));
|
||||
put (index + 6, (byte) ((((long) value) & 0x000000000000ff00L) >> 8));
|
||||
put (index + 7, (byte) (((long) value) & 0x00000000000000ffL));
|
||||
return this;
|
||||
}
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.DoubleBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
157
libjava/java/nio/DoubleBufferImpl.java
Normal file
157
libjava/java/nio/DoubleBufferImpl.java
Normal file
|
|
@ -0,0 +1,157 @@
|
|||
/* DoubleBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class DoubleBufferImpl extends DoubleBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
DoubleBufferImpl (int capacity)
|
||||
{
|
||||
this (new double [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
DoubleBufferImpl (double[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public DoubleBuffer slice ()
|
||||
{
|
||||
return new DoubleBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public DoubleBuffer duplicate ()
|
||||
{
|
||||
return new DoubleBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public DoubleBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new DoubleBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public DoubleBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>double</code> from the buffer.
|
||||
*/
|
||||
final public double get ()
|
||||
{
|
||||
double result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public DoubleBuffer put (double value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>double</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public double get (int index)
|
||||
{
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public DoubleBuffer put (int index, double value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
154
libjava/java/nio/DoubleViewBufferImpl.java
Normal file
154
libjava/java/nio/DoubleViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
/* DoubleViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class DoubleViewBufferImpl extends DoubleBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public DoubleViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 3, bb.remaining () >> 3, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from DoubleByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public DoubleViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 3, limit >> 3, position >> 3, mark >> 3);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from DoubleViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public double get ()
|
||||
{
|
||||
double result = bb.getDouble ((position () << 3) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public double get (int index)
|
||||
{
|
||||
return bb.getDouble ((index << 3) + offset);
|
||||
}
|
||||
|
||||
public DoubleBuffer put (double value)
|
||||
{
|
||||
bb.putDouble ((position () << 3) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public DoubleBuffer put (int index, double value)
|
||||
{
|
||||
bb.putDouble ((index << 3) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public DoubleBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putDouble ((i >> 3) + offset,
|
||||
bb.getDouble (((i + position ()) >> 3) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public DoubleBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new DoubleViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public DoubleBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new DoubleViewBufferImpl (bb, (position () >> 3) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public DoubleBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new DoubleViewBufferImpl (bb, (position () >> 3) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.FloatBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
157
libjava/java/nio/FloatBufferImpl.java
Normal file
157
libjava/java/nio/FloatBufferImpl.java
Normal file
|
|
@ -0,0 +1,157 @@
|
|||
/* FloatBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class FloatBufferImpl extends FloatBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
FloatBufferImpl (int capacity)
|
||||
{
|
||||
this (new float [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
FloatBufferImpl (float[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public FloatBuffer slice ()
|
||||
{
|
||||
return new FloatBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public FloatBuffer duplicate ()
|
||||
{
|
||||
return new FloatBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public FloatBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new FloatBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public FloatBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>float</code> from the buffer.
|
||||
*/
|
||||
final public float get ()
|
||||
{
|
||||
float result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public FloatBuffer put (float value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>float</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public float get (int index)
|
||||
{
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public FloatBuffer put (int index, float value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
154
libjava/java/nio/FloatViewBufferImpl.java
Normal file
154
libjava/java/nio/FloatViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
/* FloatViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class FloatViewBufferImpl extends FloatBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public FloatViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 2, bb.remaining () >> 2, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from FloatByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public FloatViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 2, limit >> 2, position >> 2, mark >> 2);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from FloatViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public float get ()
|
||||
{
|
||||
float result = bb.getFloat ((position () << 2) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public float get (int index)
|
||||
{
|
||||
return bb.getFloat ((index << 2) + offset);
|
||||
}
|
||||
|
||||
public FloatBuffer put (float value)
|
||||
{
|
||||
bb.putFloat ((position () << 2) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public FloatBuffer put (int index, float value)
|
||||
{
|
||||
bb.putFloat ((index << 2) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public FloatBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putFloat ((i >> 2) + offset,
|
||||
bb.getFloat (((i + position ()) >> 2) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public FloatBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new FloatViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public FloatBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new FloatViewBufferImpl (bb, (position () >> 2) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public FloatBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new FloatViewBufferImpl (bb, (position () >> 2) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.IntBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
157
libjava/java/nio/IntBufferImpl.java
Normal file
157
libjava/java/nio/IntBufferImpl.java
Normal file
|
|
@ -0,0 +1,157 @@
|
|||
/* IntBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class IntBufferImpl extends IntBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
IntBufferImpl (int capacity)
|
||||
{
|
||||
this (new int [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
IntBufferImpl (int[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public IntBuffer slice ()
|
||||
{
|
||||
return new IntBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public IntBuffer duplicate ()
|
||||
{
|
||||
return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public IntBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new IntBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public IntBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>int</code> from the buffer.
|
||||
*/
|
||||
final public int get ()
|
||||
{
|
||||
int result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public IntBuffer put (int value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>int</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public int get (int index)
|
||||
{
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public IntBuffer put (int index, int value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
154
libjava/java/nio/IntViewBufferImpl.java
Normal file
154
libjava/java/nio/IntViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
/* IntViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class IntViewBufferImpl extends IntBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public IntViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 2, bb.remaining () >> 2, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from IntByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public IntViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 2, limit >> 2, position >> 2, mark >> 2);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from IntViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public int get ()
|
||||
{
|
||||
int result = bb.getInt ((position () << 2) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public int get (int index)
|
||||
{
|
||||
return bb.getInt ((index << 2) + offset);
|
||||
}
|
||||
|
||||
public IntBuffer put (int value)
|
||||
{
|
||||
bb.putInt ((position () << 2) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public IntBuffer put (int index, int value)
|
||||
{
|
||||
bb.putInt ((index << 2) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public IntBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putInt ((i >> 2) + offset,
|
||||
bb.getInt (((i + position ()) >> 2) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public IntBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new IntViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public IntBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new IntViewBufferImpl (bb, (position () >> 2) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public IntBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new IntViewBufferImpl (bb, (position () >> 2) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.LongBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
157
libjava/java/nio/LongBufferImpl.java
Normal file
157
libjava/java/nio/LongBufferImpl.java
Normal file
|
|
@ -0,0 +1,157 @@
|
|||
/* LongBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class LongBufferImpl extends LongBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
LongBufferImpl (int capacity)
|
||||
{
|
||||
this (new long [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
LongBufferImpl (long[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public LongBuffer slice ()
|
||||
{
|
||||
return new LongBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public LongBuffer duplicate ()
|
||||
{
|
||||
return new LongBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public LongBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new LongBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public LongBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>long</code> from the buffer.
|
||||
*/
|
||||
final public long get ()
|
||||
{
|
||||
long result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public LongBuffer put (long value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>long</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public long get (int index)
|
||||
{
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public LongBuffer put (int index, long value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
154
libjava/java/nio/LongViewBufferImpl.java
Normal file
154
libjava/java/nio/LongViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
/* LongViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class LongViewBufferImpl extends LongBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public LongViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 3, bb.remaining () >> 3, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from LongByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public LongViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 3, limit >> 3, position >> 3, mark >> 3);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from LongViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public long get ()
|
||||
{
|
||||
long result = bb.getLong ((position () << 3) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public long get (int index)
|
||||
{
|
||||
return bb.getLong ((index << 3) + offset);
|
||||
}
|
||||
|
||||
public LongBuffer put (long value)
|
||||
{
|
||||
bb.putLong ((position () << 3) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public LongBuffer put (int index, long value)
|
||||
{
|
||||
bb.putLong ((index << 3) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public LongBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putLong ((i >> 3) + offset,
|
||||
bb.getLong (((i + position ()) >> 3) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public LongBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new LongViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public LongBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new LongViewBufferImpl (bb, (position () >> 3) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public LongBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new LongViewBufferImpl (bb, (position () >> 3) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
|
|
@ -35,9 +35,8 @@ this exception to your version of the library, but you are not
|
|||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
package java.nio;
|
||||
|
||||
import gnu.java.nio.ShortBufferImpl;
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* @since 1.4
|
||||
|
|
|
|||
157
libjava/java/nio/ShortBufferImpl.java
Normal file
157
libjava/java/nio/ShortBufferImpl.java
Normal file
|
|
@ -0,0 +1,157 @@
|
|||
/* ShortBufferImpl.java --
|
||||
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
/**
|
||||
* This is a Heap memory implementation
|
||||
*/
|
||||
public final class ShortBufferImpl extends ShortBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
|
||||
ShortBufferImpl (int capacity)
|
||||
{
|
||||
this (new short [capacity], 0, capacity, capacity, 0, -1, false);
|
||||
}
|
||||
|
||||
ShortBufferImpl (short[] buffer, int offset, int capacity, int limit, int position, int mark, boolean readOnly)
|
||||
{
|
||||
super (buffer, offset, capacity, limit, position, mark);
|
||||
this.readOnly = readOnly;
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public ShortBuffer slice ()
|
||||
{
|
||||
return new ShortBufferImpl (backing_buffer, array_offset + position (), remaining (), remaining (), 0, -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public ShortBuffer duplicate ()
|
||||
{
|
||||
return new ShortBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, isReadOnly ());
|
||||
}
|
||||
|
||||
public ShortBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
return new ShortBufferImpl (backing_buffer, array_offset, capacity (), limit (), position (), mark, true);
|
||||
}
|
||||
|
||||
public ShortBuffer compact ()
|
||||
{
|
||||
int copied = 0;
|
||||
|
||||
while (remaining () > 0)
|
||||
{
|
||||
put (copied, get ());
|
||||
copied++;
|
||||
}
|
||||
|
||||
position (copied);
|
||||
return this;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative get method. Reads the next <code>short</code> from the buffer.
|
||||
*/
|
||||
final public short get ()
|
||||
{
|
||||
short result = backing_buffer [position ()];
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Relative put method. Writes <code>value</code> to the next position
|
||||
* in the buffer.
|
||||
*
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public ShortBuffer put (short value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [position ()] = value;
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute get method. Reads the <code>short</code> at position
|
||||
* <code>index</code>.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
*/
|
||||
final public short get (int index)
|
||||
{
|
||||
return backing_buffer [index];
|
||||
}
|
||||
|
||||
/**
|
||||
* Absolute put method. Writes <code>value</value> to position
|
||||
* <code>index</code> in the buffer.
|
||||
*
|
||||
* @exception IndexOutOfBoundsException If index is negative or not smaller
|
||||
* than the buffer's limit.
|
||||
* @exception ReadOnlyBufferException If this buffer is read-only.
|
||||
*/
|
||||
final public ShortBuffer put (int index, short value)
|
||||
{
|
||||
if (readOnly)
|
||||
throw new ReadOnlyBufferException ();
|
||||
|
||||
backing_buffer [index] = value;
|
||||
return this;
|
||||
}
|
||||
|
||||
final public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.nativeOrder ();
|
||||
}
|
||||
}
|
||||
154
libjava/java/nio/ShortViewBufferImpl.java
Normal file
154
libjava/java/nio/ShortViewBufferImpl.java
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
/* ShortViewBufferImpl.java --
|
||||
Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package java.nio;
|
||||
|
||||
class ShortViewBufferImpl extends ShortBuffer
|
||||
{
|
||||
private boolean readOnly;
|
||||
private int offset;
|
||||
private ByteBuffer bb;
|
||||
private ByteOrder endian;
|
||||
|
||||
public ShortViewBufferImpl (ByteBuffer bb, boolean readOnly)
|
||||
{
|
||||
super (bb.remaining () >> 1, bb.remaining () >> 1, bb.position (), 0);
|
||||
this.bb = bb;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from ShortByteBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public ShortViewBufferImpl (ByteBuffer bb, int offset, int capacity,
|
||||
int limit, int position, int mark,
|
||||
boolean readOnly)
|
||||
{
|
||||
super (limit >> 1, limit >> 1, position >> 1, mark >> 1);
|
||||
this.bb = bb;
|
||||
this.offset = offset;
|
||||
this.readOnly = readOnly;
|
||||
// FIXME: What if this is called from ShortViewBufferImpl and ByteBuffer has changed its endianess ?
|
||||
this.endian = bb.order ();
|
||||
}
|
||||
|
||||
public short get ()
|
||||
{
|
||||
short result = bb.getShort ((position () << 1) + offset);
|
||||
position (position () + 1);
|
||||
return result;
|
||||
}
|
||||
|
||||
public short get (int index)
|
||||
{
|
||||
return bb.getShort ((index << 1) + offset);
|
||||
}
|
||||
|
||||
public ShortBuffer put (short value)
|
||||
{
|
||||
bb.putShort ((position () << 1) + offset, value);
|
||||
position (position () + 1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public ShortBuffer put (int index, short value)
|
||||
{
|
||||
bb.putShort ((index << 1) + offset, value);
|
||||
return this;
|
||||
}
|
||||
|
||||
public ShortBuffer compact ()
|
||||
{
|
||||
if (position () > 0)
|
||||
{
|
||||
// Copy all data from position() to limit() to the beginning of the
|
||||
// buffer, set position to end of data and limit to capacity
|
||||
// XXX: This can surely be optimized, for direct and non-direct buffers
|
||||
|
||||
int count = limit () - position ();
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
bb.putShort ((i >> 1) + offset,
|
||||
bb.getShort (((i + position ()) >> 1) + offset));
|
||||
}
|
||||
|
||||
position (count);
|
||||
limit (capacity ());
|
||||
}
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public ShortBuffer duplicate ()
|
||||
{
|
||||
// Create a copy of this object that shares its content
|
||||
// FIXME: mark is not correct
|
||||
return new ShortViewBufferImpl (bb, offset, capacity (), limit (),
|
||||
position (), -1, isReadOnly ());
|
||||
}
|
||||
|
||||
public ShortBuffer slice ()
|
||||
{
|
||||
// Create a sliced copy of this object that shares its content.
|
||||
return new ShortViewBufferImpl (bb, (position () >> 1) + offset,
|
||||
remaining (), remaining (), 0, -1,
|
||||
isReadOnly ());
|
||||
}
|
||||
|
||||
public ShortBuffer asReadOnlyBuffer ()
|
||||
{
|
||||
// Create a copy of this object that shares its content and is read-only
|
||||
return new ShortViewBufferImpl (bb, (position () >> 1) + offset,
|
||||
remaining (), remaining (), 0, -1, true);
|
||||
}
|
||||
|
||||
public boolean isReadOnly ()
|
||||
{
|
||||
return readOnly;
|
||||
}
|
||||
|
||||
public boolean isDirect ()
|
||||
{
|
||||
return bb.isDirect ();
|
||||
}
|
||||
|
||||
public ByteOrder order ()
|
||||
{
|
||||
return ByteOrder.LITTLE_ENDIAN;
|
||||
}
|
||||
}
|
||||
45
libjava/java/nio/natDirectByteBufferImpl.cc
Normal file
45
libjava/java/nio/natDirectByteBufferImpl.cc
Normal file
|
|
@ -0,0 +1,45 @@
|
|||
// natDirectByteBufferImpl.cc
|
||||
|
||||
/* Copyright (C) 2003 Free Software Foundation
|
||||
|
||||
This file is part of libgcj.
|
||||
|
||||
This software is copyrighted work licensed under the terms of the
|
||||
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
||||
details. */
|
||||
|
||||
#include <config.h>
|
||||
|
||||
#include <gcj/cni.h>
|
||||
#include <jvm.h>
|
||||
|
||||
#include <gnu/gcj/RawData.h>
|
||||
#include <java/nio/DirectByteBufferImpl.h>
|
||||
|
||||
gnu::gcj::RawData*
|
||||
java::nio::DirectByteBufferImpl::allocateImpl (jint /*capacity*/)
|
||||
{
|
||||
// FIXME: implement this
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
java::nio::DirectByteBufferImpl::freeImpl (gnu::gcj::RawData* /*address*/)
|
||||
{
|
||||
// FIXME: implement this
|
||||
}
|
||||
|
||||
jbyte
|
||||
java::nio::DirectByteBufferImpl::getImpl (jint /*index*/)
|
||||
{
|
||||
// FIXME: implement this
|
||||
// Dont forget: add offset to index
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
java::nio::DirectByteBufferImpl::putImpl (jint /*index*/, jbyte /*value*/)
|
||||
{
|
||||
// FIXME: implement this
|
||||
// Dont forget: add offset to index
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue