ByteBufferImpl.java: Reformated and removed some code.
2003-02-11 Michael Koch <konqueror@gmx.de> * gnu/java/nio/ByteBufferImpl.java: Reformated and removed some code. (backing_buffer): Removed. (array_offset): Removed. (ro): Renamed to readOnly. (ByteBufferImpl): Use parent constructor, initialize readOnly. * gnu/java/nio/CharBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (CharBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/DoubleBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (DoubleBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/FloatBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (FloatBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/IntBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (IntBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/LongBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (LongBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * gnu/java/nio/ShortBufferImpl.java: Reformated and removed some code. (array_offset): Removed. (ro): Renamed to readOnly. (ShortBufferImpl): Use parent constructor, initialize readOnly. (inc_pos): Removed. (order): New method. * Makefile.am (ordinary_java_source_files): Added the following files: gnu/java/nio/ByteBufferImpl.java gnu/java/nio/CharBufferImpl.java gnu/java/nio/DoubleBufferImpl.java gnu/java/nio/FloatBufferImpl.java gnu/java/nio/IntBufferImpl.java gnu/java/nio/LongBufferImpl.java gnu/java/nio/ShortBufferImpl.java java/nio/DoubleBuffer.java java/nio/FloatBuffer.java java/nio/IntBuffer.java java/nio/LongBuffer.java java/nio/ShortBuffer.java (nat_source_files): Added the following files: gnu/java/nio/natByteBufferImpl.cc gnu/java/nio/natCharBufferImpl.cc gnu/java/nio/natDoubleBufferImpl.cc gnu/java/nio/natFloatBufferImpl.cc gnu/java/nio/natIntBufferImpl.cc gnu/java/nio/natLongBufferImpl.cc gnu/java/nio/natShortBufferImpl.cc * Makefile.in: Regenerated. From-SVN: r62692
This commit is contained in:
Michael Koch
Michael Koch
parent
dfc7d89965
commit
248606ee91
10 changed files with 760 additions and 513 deletions
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@ -40,101 +40,65 @@ package gnu.java.nio;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.CharBuffer;
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import java.nio.DoubleBuffer;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import java.nio.LongBuffer;
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import java.nio.ShortBuffer;
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import java.nio.ReadOnlyBufferException;
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/**
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* This is a Heap memory implementation
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*/
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public final class CharBufferImpl extends CharBuffer
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{
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private boolean ro;
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private boolean readOnly;
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private ByteOrder endian = ByteOrder.BIG_ENDIAN;
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public CharBufferImpl(int cap, int off, int lim)
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{
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this.backing_buffer = new char[cap];
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this.cap = cap;
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this.limit(lim);
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this.position(off);
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super (cap, lim, off, 0);
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this.backing_buffer = new char [cap];
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readOnly = false;
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}
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public CharBufferImpl(char[] array, int off, int lim)
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{
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super (array.length, lim, off, 0);
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this.backing_buffer = array;
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this.cap = array.length;
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this.limit(lim);
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this.position(off);
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readOnly = false;
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}
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public CharBufferImpl (CharBufferImpl copy)
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{
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super (copy.capacity (), copy.limit (), copy.position (), 0);
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backing_buffer = copy.backing_buffer;
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ro = copy.ro;
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limit (copy.limit());
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position (copy.position ());
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readOnly = copy.isReadOnly ();
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}
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void inc_pos (int a)
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private static native char[] nio_cast (byte[] copy);
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CharBufferImpl (byte[] copy)
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{
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position (position () + a);
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super (copy.length / 2, copy.length / 2, 0, 0);
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this.backing_buffer = (copy != null ? nio_cast (copy) : null);
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readOnly = false;
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}
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CharBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native byte nio_get_Byte(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Byte(CharBufferImpl b, int index, int limit, byte value);
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public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; }
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private static native byte nio_get_Byte (CharBufferImpl b, int index, int limit);
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CharBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native char nio_get_Char(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Char(CharBufferImpl b, int index, int limit, char value);
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public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
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private static native void nio_put_Byte (CharBufferImpl b, int index, int limit, byte value);
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CharBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native short nio_get_Short(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Short(CharBufferImpl b, int index, int limit, short value);
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public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; }
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CharBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native int nio_get_Int(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Int(CharBufferImpl b, int index, int limit, int value);
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public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
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CharBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native long nio_get_Long(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Long(CharBufferImpl b, int index, int limit, long value);
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public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
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CharBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native float nio_get_Float(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Float(CharBufferImpl b, int index, int limit, float value);
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public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; }
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CharBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; }
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private static native double nio_get_Double(CharBufferImpl b, int index, int limit);
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private static native void nio_put_Double(CharBufferImpl b, int index, int limit, double value);
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public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; }
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private static native char[] nio_cast(byte[]copy);
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private static native char[] nio_cast(char[]copy);
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private static native char[] nio_cast(short[]copy);
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private static native char[] nio_cast(long[]copy);
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private static native char[] nio_cast(int[]copy);
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private static native char[] nio_cast(float[]copy);
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private static native char[] nio_cast(double[]copy);
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public ByteBuffer asByteBuffer ()
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{
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ByteBufferImpl res = new ByteBufferImpl (backing_buffer);
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res.limit ((limit () * 1) / 2);
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return res;
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}
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public boolean isReadOnly()
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{
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return ro;
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return readOnly;
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}
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public CharBuffer slice()
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{
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CharBufferImpl buffer = new CharBufferImpl (this);
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buffer.array_offset = position ();
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return buffer;
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return new CharBufferImpl (this);
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}
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public CharBuffer duplicate()
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@ -144,9 +108,9 @@ public final class CharBufferImpl extends CharBuffer
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public CharBuffer asReadOnlyBuffer()
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{
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CharBufferImpl a = new CharBufferImpl(this);
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a.ro = true;
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return a;
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CharBufferImpl result = new CharBufferImpl (this);
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result.readOnly = true;
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return result;
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}
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public CharBuffer compact()
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@ -156,7 +120,7 @@ public final class CharBufferImpl extends CharBuffer
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public boolean isDirect()
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{
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return backing_buffer != null;
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return false;
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}
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final public CharSequence subSequence (int start, int end)
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@ -172,6 +136,9 @@ public final class CharBufferImpl extends CharBuffer
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position () + end);
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}
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/**
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* Relative get method. Reads the next character from the buffer.
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*/
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final public char get()
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{
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char e = backing_buffer[position()];
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@ -179,27 +146,54 @@ public final class CharBufferImpl extends CharBuffer
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return e;
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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 CharBuffer put(char b)
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{
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer[position()] = b;
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position(position()+1);
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return this;
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}
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final public char getChar() { return get(); } final public CharBuffer putChar(char value) { return put(value); } final public char getChar(int index) { return get(index); } final public CharBuffer putChar(int index, char value) { return put(index, value); };
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final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public CharBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public CharBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; };
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final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public CharBuffer 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 CharBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; };
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final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public CharBuffer 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 CharBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; };
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final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public CharBuffer 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 CharBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; };
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final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public CharBuffer 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 CharBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; };
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/**
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* Absolute get method. Reads the character at position <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 char get(int index)
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{
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if (index < 0
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|| index >= limit ())
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throw new IndexOutOfBoundsException ();
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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 CharBuffer put(int index, char b)
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{
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if (index < 0
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|| index >= limit ())
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throw new IndexOutOfBoundsException ();
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if (readOnly)
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throw new ReadOnlyBufferException ();
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backing_buffer[index] = b;
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return this;
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}
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@ -207,6 +201,6 @@ public final class CharBufferImpl extends CharBuffer
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public final ByteOrder order()
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{
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return endian;
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return ByteOrder.BIG_ENDIAN;
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}
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}
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