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Diffstat (limited to 'libjava/gnu/java/nio/ShortBufferImpl.java')
-rw-r--r-- | libjava/gnu/java/nio/ShortBufferImpl.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/libjava/gnu/java/nio/ShortBufferImpl.java b/libjava/gnu/java/nio/ShortBufferImpl.java new file mode 100644 index 0000000..15a0cd6 --- /dev/null +++ b/libjava/gnu/java/nio/ShortBufferImpl.java @@ -0,0 +1,212 @@ +/* ShortBufferImpl.java -- + Copyright (C) 2002 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; + +public final class ShortBufferImpl extends ShortBuffer +{ + private int array_offset; + private boolean ro; + + public ShortBufferImpl(int cap, int off, int lim) + { + this.backing_buffer = new short[cap]; + this.cap = cap ; + this.position(off); + this.limit(lim); + } + + public ShortBufferImpl(short[] array, int off, int lim) + { + this.backing_buffer = array; + this.cap = array.length; + this.position(off); + this.limit(lim); + } + + public ShortBufferImpl(ShortBufferImpl copy) + { + backing_buffer = copy.backing_buffer; + ro = copy.ro; + position(copy.position()); + limit(copy.limit()); + } + + void inc_pos(int a) + { + position(position() + a); + } + +// private static native short[] nio_cast(byte[]copy); +// private static native short[] nio_cast(char[]copy); +// private static native short[] nio_cast(short[]copy); +// private static native short[] nio_cast(long[]copy); +// private static native short[] nio_cast(int[]copy); +// private static native short[] nio_cast(float[]copy); +// private static native short[] nio_cast(double[]copy); + + private static short[] nio_cast(byte[]copy) { return null; }; + private static short[] nio_cast(char[]copy) { return null; }; + private static short[] nio_cast(short[]copy) { return null; }; + private static short[] nio_cast(long[]copy) { return null; }; + private static short[] nio_cast(int[]copy) { return null; }; + private static short[] nio_cast(float[]copy) { return null; }; + private static short[] nio_cast(double[]copy) { return null; }; + + ShortBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native byte nio_get_Byte(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Byte(ShortBufferImpl b, int index, int limit, byte value); + private static byte nio_get_Byte(ShortBufferImpl b, int index, int limit) { return 0; }; + private static void nio_put_Byte(ShortBufferImpl b, int index, int limit, byte value) { }; + public java.nio. ByteBuffer asByteBuffer() { gnu.java.nio. ByteBufferImpl res = new gnu.java.nio. ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; } + + ShortBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native char nio_get_Char(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Char(ShortBufferImpl b, int index, int limit, char value); + private static char nio_get_Char(ShortBufferImpl b, int index, int limit) { return ' '; }; + private static void nio_put_Char(ShortBufferImpl b, int index, int limit, char value) { }; + public java.nio. CharBuffer asCharBuffer() { gnu.java.nio. CharBufferImpl res = new gnu.java.nio. CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } + + ShortBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native short nio_get_Short(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Short(ShortBufferImpl b, int index, int limit, short value); + private static short nio_get_Short(ShortBufferImpl b, int index, int limit) { return 0; }; + private static void nio_put_Short(ShortBufferImpl b, int index, int limit, short value) { }; + public java.nio. ShortBuffer asShortBuffer() { gnu.java.nio. ShortBufferImpl res = new gnu.java.nio. ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } + + ShortBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native int nio_get_Int(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Int(ShortBufferImpl b, int index, int limit, int value); + private static int nio_get_Int(ShortBufferImpl b, int index, int limit) { return 0; }; + private static void nio_put_Int(ShortBufferImpl b, int index, int limit, int value) { }; + public java.nio. IntBuffer asIntBuffer() { gnu.java.nio. IntBufferImpl res = new gnu.java.nio. IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } + + ShortBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native long nio_get_Long(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Long(ShortBufferImpl b, int index, int limit, long value); + private static long nio_get_Long(ShortBufferImpl b, int index, int limit) { return 0; }; + private static void nio_put_Long(ShortBufferImpl b, int index, int limit, long value) { }; + public java.nio. LongBuffer asLongBuffer() { gnu.java.nio. LongBufferImpl res = new gnu.java.nio. LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } + + ShortBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native float nio_get_Float(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Float(ShortBufferImpl b, int index, int limit, float value); + private static float nio_get_Float(ShortBufferImpl b, int index, int limit) { return 0.0f; }; + private static void nio_put_Float(ShortBufferImpl b, int index, int limit, float value) { }; + public java.nio. FloatBuffer asFloatBuffer() { gnu.java.nio. FloatBufferImpl res = new gnu.java.nio. FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } + + ShortBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } +// private static native double nio_get_Double(ShortBufferImpl b, int index, int limit); +// private static native void nio_put_Double(ShortBufferImpl b, int index, int limit, double value); + private static double nio_get_Double(ShortBufferImpl b, int index, int limit) { return 0.0d; }; + private static void nio_put_Double(ShortBufferImpl b, int index, int limit, double value) { }; + public java.nio. DoubleBuffer asDoubleBuffer() { gnu.java.nio. DoubleBufferImpl res = new gnu.java.nio. DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } + + public boolean isReadOnly() + { + return ro; + } + + public ShortBuffer slice() + { + ShortBufferImpl a = new ShortBufferImpl(this); + a.array_offset = position(); + return a; + } + + public ShortBuffer duplicate() + { + return new ShortBufferImpl(this); + } + + public ShortBuffer asReadOnlyBuffer() + { + ShortBufferImpl a = new ShortBufferImpl(this); + a.ro = true; + return a; + } + + public ShortBuffer compact() + { + return this; + } + + public boolean isDirect() + { + return backing_buffer != null; + } + + final public short get() + { + short e = backing_buffer[position()]; + position(position()+1); + return e; + } + + final public ShortBuffer put(short b) + { + backing_buffer[position()] = b; + position(position()+1); + return this; + } + + final public short get(int index) + { + return backing_buffer[index]; + } + + final public ShortBuffer put(int index, short b) + { + backing_buffer[index] = b; + return this; + } + + final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public java.nio. ShortBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public java.nio. ShortBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; + final public short getShort() { return get(); } final public java.nio. ShortBuffer putShort(short value) { return put(value); } final public short getShort(int index) { return get(index); } final public java.nio. ShortBuffer putShort(int index, short value) { return put(index, value); }; + final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public java.nio. ShortBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public java.nio. ShortBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; + final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public java.nio. ShortBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public java.nio. ShortBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; + final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public java.nio. ShortBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public java.nio. ShortBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; + final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public java.nio. ShortBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public java.nio. ShortBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; +} |