+2003-05-12 Michael Koch <konqueror@gmx.de>
+
+ * gnu/java/nio/CharViewBufferImpl.java,
+ gnu/java/nio/DirectByteBufferImpl.java,
+ gnu/java/nio/DoubleViewBufferImpl.java,
+ gnu/java/nio/FloatViewBufferImpl.java,
+ gnu/java/nio/IntViewBufferImpl.java,
+ gnu/java/nio/LongViewBufferImpl.java,
+ gnu/java/nio/ShortViewBufferImpl.java,
+ gnu/java/nio/natDirectByteBufferImpl.cc:
+ New files, not yet to be compiled.
+
2003-05-10 Michael Koch <konqueror@gmx.de>
* javax/swing/plaf/ButtonUI.java,
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.CharBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+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 == 0)
+ 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) ((((int) value) & 0xff00000000000000) >> 56));
+ put ((byte) ((((int) value) & 0x00ff000000000000) >> 48));
+ put ((byte) ((((int) value) & 0x0000ff0000000000) >> 40));
+ put ((byte) ((((int) value) & 0x000000ff00000000) >> 32));
+ put ((byte) ((((int) value) & 0x00000000ff000000) >> 24));
+ put ((byte) ((((int) value) & 0x0000000000ff0000) >> 16));
+ put ((byte) ((((int) value) & 0x000000000000ff00) >> 8));
+ put ((byte) (((int) value) & 0x00000000000000ff));
+ 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) ((((int) value) & 0xff00000000000000) >> 56));
+ put (index + 1, (byte) ((((int) value) & 0x00ff000000000000) >> 48));
+ put (index + 2, (byte) ((((int) value) & 0x0000ff0000000000) >> 40));
+ put (index + 3, (byte) ((((int) value) & 0x000000ff00000000) >> 32));
+ put (index + 4, (byte) ((((int) value) & 0x00000000ff000000) >> 24));
+ put (index + 5, (byte) ((((int) value) & 0x0000000000ff0000) >> 16));
+ put (index + 6, (byte) ((((int) value) & 0x000000000000ff00) >> 8));
+ put (index + 7, (byte) (((int) value) & 0x00000000000000ff));
+ 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) ((((int) value) & 0xff00000000000000) >> 56));
+ put ((byte) ((((int) value) & 0x00ff000000000000) >> 48));
+ put ((byte) ((((int) value) & 0x0000ff0000000000) >> 40));
+ put ((byte) ((((int) value) & 0x000000ff00000000) >> 32));
+ put ((byte) ((((int) value) & 0x00000000ff000000) >> 24));
+ put ((byte) ((((int) value) & 0x0000000000ff0000) >> 16));
+ put ((byte) ((((int) value) & 0x000000000000ff00) >> 8));
+ put ((byte) (((int) value) & 0x00000000000000ff));
+ 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) ((((int) value) & 0xff00000000000000) >> 56));
+ put (index + 1, (byte) ((((int) value) & 0x00ff000000000000) >> 48));
+ put (index + 2, (byte) ((((int) value) & 0x0000ff0000000000) >> 40));
+ put (index + 3, (byte) ((((int) value) & 0x000000ff00000000) >> 32));
+ put (index + 4, (byte) ((((int) value) & 0x00000000ff000000) >> 24));
+ put (index + 5, (byte) ((((int) value) & 0x0000000000ff0000) >> 16));
+ put (index + 6, (byte) ((((int) value) & 0x000000000000ff00) >> 8));
+ put (index + 7, (byte) (((int) value) & 0x00000000000000ff));
+ return this;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.DoubleBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.IntBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.LongBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+/* 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 gnu.java.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.ShortBuffer;
+
+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, limit, offset, position);
+ this.bb = bb;
+ 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);
+ 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;
+ }
+}
--- /dev/null
+// 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/java/nio/DirectByteBufferImpl.h>
+
+jlong
+gnu::java::nio::DirectByteBufferImpl::allocateImpl (jint capacity)
+{
+ // FIXME: implement this
+ return 0;
+}
+
+void
+gnu::java::nio::DirectByteBufferImpl::freeImpl (jlong address)
+{
+ // FIXME: implement this
+}
+
+jbyte
+gnu::java::nio::DirectByteBufferImpl::getImpl (jint index)
+{
+ // FIXME: implement this
+ // Dont forget: add offset to index
+ return 0;
+}
+
+void
+gnu::java::nio::DirectByteBufferImpl::putImpl (jint index, jbyte value)
+{
+ // FIXME: implement this
+ // Dont forget: add offset to index
+}
projects / gcc.git / commitdiff