diff options
Diffstat (limited to 'src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase')
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase b/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase deleted file mode 100755 index 851c400..0000000 --- a/src/java/com/sun/gluegen/runtime/PointerBuffer.java.javase +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - */ - -package com.sun.gluegen.runtime; - -import java.nio.*; - -public class PointerBuffer { - private ByteBuffer bb; - private Buffer pb; - private int capacity, position; - private long[] backup; - - private PointerBuffer(ByteBuffer bb) { - this.bb = bb; - - if(CPU.is32Bit()) { - this.pb = bb.asIntBuffer(); - }else{ - this.pb = bb.asLongBuffer(); - } - - capacity = bb.capacity() / elementSize(); - - position=0; - backup = new long[capacity]; - } - - public final int limit() { - return capacity; - } - public final int capacity() { - return capacity; - } - - public final int position() { - return position; - } - - public final PointerBuffer position(int newPos) { - if(0>newPos || newPos>=capacity) { - throw new IndexOutOfBoundsException(); - } - position = newPos; - return this; - } - - public final int remaining() { - return capacity - position; - } - - public final boolean hasRemaining() { - return position < capacity; - } - - public final PointerBuffer rewind() { - position=0; - return this; - } - - int arrayOffset() { return 0; } - - boolean hasArray() { return true; } - - public long[] array() { - return backup; - } - - public static PointerBuffer allocate(int size) { - return new PointerBuffer(ByteBuffer.wrap(new byte[elementSize()* size])); - } - - public static PointerBuffer allocateDirect(int size) { - return new PointerBuffer(BufferFactory.newDirectByteBuffer(elementSize() * size)); - } - - public static PointerBuffer wrap(ByteBuffer src) { - PointerBuffer res = new PointerBuffer(src); - res.updateBackup(); - return res; - } - - public ByteBuffer getBuffer() { - return bb; - } - - public boolean isDirect() { - return bb.isDirect(); - } - - public long get(int idx) { - if(0>idx || idx>=capacity) { - throw new IndexOutOfBoundsException(); - } - if(CPU.is32Bit()) { - return ((IntBuffer)pb).get(idx); - } else { - return ((LongBuffer)pb).get(idx); - } - } - - public long get() { - long r = get(position); - position++; - return r; - } - - public PointerBuffer put(int idx, long v) { - if(0>idx || idx>=capacity) { - throw new IndexOutOfBoundsException(); - } - backup[idx] = v; - if(CPU.is32Bit()) { - ((IntBuffer)pb).put(idx, (int)v); - } else { - ((LongBuffer)pb).put(idx, v); - } - return this; - } - - public PointerBuffer put(long v) { - put(position, v); - position++; - return this; - } - - private void updateBackup() { - for (int i = 0; i < capacity; i++) { - backup[i] = get(i); - } - } - - public static int elementSize() { - return CPU.is32Bit() ? BufferFactory.SIZEOF_INT : BufferFactory.SIZEOF_LONG; - } -} |