A wrapper for an array of byte. More...

Public Member Functions
	ByteBuffer (byte[] buf, int offset, int length)
	Constructs the buffer. More...

	ByteBuffer (byte[] buf)

ByteBuffer	Write (byte[] b, int offset, int count)
	Writes a byte array into the buffer. More...

ByteBuffer	Write (byte[] b)

ByteBuffer	Write (ByteBuffer buffer)
	Writes a ByteBuffer in to this buffer. More...

ByteBuffer	Read (byte[] b, int offset, int count)
	Reads a byte array from the buffer. More...

ByteBuffer	WriteInteger (int v)
	Writes an integer into the buffer at the current position. More...

int	ReadInt4 ()
	Reads an integer from the buffer at the current position. More...

ByteBuffer	WriteByte (byte v)
	Writes a byte into the buffer at the current position. More...

byte	ReadByte ()
	Reads a byte from the buffer at the current position. More...

ByteBuffer	WriteInt2 (short v)
	Writes a short into the buffer at the current position. More...

short	ReadInt2 ()
	Reads a short from the buffer at the current position. More...

Static Public Member Functions
static void	WriteInteger (int value, byte[] arr, int offset)

static char	ReadChar (byte[] arr, int offset)

static void	WriteChar (char value, byte[] arr, int offset)

static short	ReadInt2 (byte[] arr, int offset)

static void	WriteInt2 (short value, byte[] arr, int offset)

static int	ReadInt4 (byte[] arr, int offset)

static long	ReadInt8 (byte[] arr, int offset)

static void	WriteInt8 (long value, byte[] arr, int offset)

static int	URShift (int number, int bits)
	Operates a shift on the given integer by the number of bits specified. More...

static int	URShift (int number, long bits)

static long	URShift (long number, int bits)

static long	URShift (long number, long bits)

Properties
int	Position `[get, set]`
	Gets or sets the position in to the buffer. More...

int	Length `[get]`
	Returns the length of this buffer. More...

Private Attributes
readonly byte[]	buf
	The wrapped byte array itself. More...

int	pos
	The current position in the array. More...

readonly int	length
	The length of the buf array. More...

Detailed Description

A wrapper for an array of byte.

This provides various functions for altering the state of the buffer.

Definition at line 27 of file ByteBuffer.cs.

Constructor & Destructor Documentation

Deveel.Data.Util.ByteBuffer.ByteBuffer	(	byte[]	buf,
		int	offset,
		int	length
	)

inline

Constructs the buffer.

Parameters

buf
offset
length

Definition at line 49 of file ByteBuffer.cs.

                                                               {
             this.buf = buf;
             this.length = length;
             pos = offset;
         }

Deveel.Data.Util.ByteBuffer.ByteBuffer ( byte[] buf )

inline

Definition at line 55 of file ByteBuffer.cs.

56 : this(buf, 0, buf.Length) {

57 }

Deveel.Data.Util.ByteBuffer.buf

readonly byte[] buf

The wrapped byte array itself.

Definition: ByteBuffer.cs:31

Member Function Documentation

ByteBuffer Deveel.Data.Util.ByteBuffer.Read	(	byte[]	b,
		int	offset,
		int	count
	)

inline

Reads a byte array from the buffer.

Parameters

b
offset
count

Returns

Definition at line 107 of file ByteBuffer.cs.

                                                                 {
             Array.Copy(buf, pos, b, offset, count);
             pos += count;
             return this;
         }

byte Deveel.Data.Util.ByteBuffer.ReadByte ( )

inline

Reads a byte from the buffer at the current position.

Returns

Definition at line 149 of file ByteBuffer.cs.

                                {
             byte b = buf[pos];
             ++pos;
             return b;
         }

static char Deveel.Data.Util.ByteBuffer.ReadChar	(	byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 188 of file ByteBuffer.cs.

                                                             {
           int c1 = (((int) arr[offset + 0]) & 0x0FF);
           int c2 = (((int) arr[offset + 1]) & 0x0FF);
           return (char) ((c1 << 8) + (c2));
             //TODO: check... return BitConverter.ToChar(arr, offset);
         }

short Deveel.Data.Util.ByteBuffer.ReadInt2 ( )

inline

Reads a short from the buffer at the current position.

Returns

Definition at line 170 of file ByteBuffer.cs.

                                 {
             short v = ReadInt2(buf, pos);
             pos += 2;
             return v;
         }

static short Deveel.Data.Util.ByteBuffer.ReadInt2	(	byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 202 of file ByteBuffer.cs.

                                                              {
             /*
             TODO: check ...
           int c1 = (((int) arr[offset + 0]) & 0x0FF);
           int c2 = (((int) arr[offset + 1]) & 0x0FF);
           return (short) ((c1 << 8) + (c2));
             */
             return BitConverter.ToInt16(arr, offset);
         }

int Deveel.Data.Util.ByteBuffer.ReadInt4 ( )

inline

Reads an integer from the buffer at the current position.

Returns

Definition at line 128 of file ByteBuffer.cs.

                               {
             int v = ReadInt4(buf, pos);
             pos += 4;
             return v;
         }

static int Deveel.Data.Util.ByteBuffer.ReadInt4	(	byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 222 of file ByteBuffer.cs.

                                                            {
             /*
             TODO: check ...
           int c1 = (((int) arr[offset + 0]) & 0x0FF);
           int c2 = (((int) arr[offset + 1]) & 0x0FF);
           int c3 = (((int) arr[offset + 2]) & 0x0FF);
           int c4 = (((int) arr[offset + 3]) & 0x0FF);
           return (c1 << 24) + (c2 << 16) + (c3 << 8) + (c4);
              */
             return BitConverter.ToInt32(arr, offset);
         }

static long Deveel.Data.Util.ByteBuffer.ReadInt8	(	byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 234 of file ByteBuffer.cs.

                                                             {
             /*
             TODO: check ...
           long c1 = (((int) arr[offset + 0]) & 0x0FF);
           long c2 = (((int) arr[offset + 1]) & 0x0FF);
           long c3 = (((int) arr[offset + 2]) & 0x0FF);
           long c4 = (((int) arr[offset + 3]) & 0x0FF);
           long c5 = (((int) arr[offset + 4]) & 0x0FF);
           long c6 = (((int) arr[offset + 5]) & 0x0FF);
           long c7 = (((int) arr[offset + 6]) & 0x0FF);
           long c8 = (((int) arr[offset + 7]) & 0x0FF);
     
           return (c1 << 56) + (c2 << 48) + (c3 << 40) +
                  (c4 << 32) + (c5 << 24) + (c6 << 16) + (c7 <<  8) + (c8);
              */
             return BitConverter.ToInt64(arr, offset);
         }

static int Deveel.Data.Util.ByteBuffer.URShift	(	int	number,
		int	bits
	)

inlinestatic

Operates a shift on the given integer by the number of bits specified.

Parameters

number	The number to shift.
bits	The number of bits to shift the given number.

Returns: Returns an int representing the shifted number.

Definition at line 277 of file ByteBuffer.cs.

                                                         {
             if (number >= 0)
                 return number >> bits;
             return (number >> bits) + (2 << ~bits);
         }

static int Deveel.Data.Util.ByteBuffer.URShift	(	int	number,
		long	bits
	)

inlinestatic

Definition at line 283 of file ByteBuffer.cs.

                                                          {
             return URShift(number, (int)bits);
         }

static long Deveel.Data.Util.ByteBuffer.URShift	(	long	number,
		int	bits
	)

inlinestatic

Definition at line 287 of file ByteBuffer.cs.

                                                           {
             if (number >= 0)
                 return number >> bits;
             return (number >> bits) + (2L << ~bits);
         }

static long Deveel.Data.Util.ByteBuffer.URShift	(	long	number,
		long	bits
	)

inlinestatic

Definition at line 293 of file ByteBuffer.cs.

                                                            {
             return URShift(number, (int)bits);
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.Write	(	byte[]	b,
		int	offset,
		int	count
	)

inline

Writes a byte array into the buffer.

Parameters

b
offset
count

Returns

Definition at line 81 of file ByteBuffer.cs.

                                                                  {
             Array.Copy(b, offset, buf, pos, count);
             pos += count;
             return this;
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.Write ( byte[] b )

inline

Definition at line 87 of file ByteBuffer.cs.

                                           {
             return Write(b, 0, b.Length);
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.Write ( ByteBuffer buffer )

inline

Writes a ByteBuffer in to this buffer.

Parameters

buffer

Returns

Definition at line 96 of file ByteBuffer.cs.

                                                    {
             return Write(buffer.buf, buffer.pos, buffer.length);
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.WriteByte ( byte v )

inline

Writes a byte into the buffer at the current position.

Parameters

v

Returns

Definition at line 139 of file ByteBuffer.cs.

                                             {
             buf[pos] = v;
             ++pos;
             return this;
         }

static void Deveel.Data.Util.ByteBuffer.WriteChar	(	char	value,
		byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 195 of file ByteBuffer.cs.

                                                                          {
           arr[offset + 0] = (byte) (URShift(value, 8) & 0x0FF);
           arr[offset + 1] = (byte) (URShift(value, 0) & 0x0FF);
             // byte[] buff = BitConverter.GetBytes(value);
             Array.Copy(arr, 0, arr, offset, 2);
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.WriteInt2 ( short v )

inline

Writes a short into the buffer at the current position.

Parameters

v

Returns

Definition at line 160 of file ByteBuffer.cs.

                                              {
             WriteInt2(v, buf, pos);
             pos += 2;
             return this;
         }

static void Deveel.Data.Util.ByteBuffer.WriteInt2	(	short	value,
		byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 212 of file ByteBuffer.cs.

                                                                           {
             /*
             TODO: check ...
           arr[offset + 0] = (byte) ((value >>> 8) & 0x0FF);
           arr[offset + 1] = (byte) ((value >>> 0) & 0x0FF);
              */
             byte[] buff = BitConverter.GetBytes(value);
             Array.Copy(buff, 0, arr, offset, buff.Length);
         }

static void Deveel.Data.Util.ByteBuffer.WriteInt8	(	long	value,
		byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 252 of file ByteBuffer.cs.

                                                                          {
             /*
             TODO:
           arr[offset + 0] = (byte) ((value >>> 56) & 0xFF);
           arr[offset + 1] = (byte) ((value >>> 48) & 0xFF);
           arr[offset + 2] = (byte) ((value >>> 40) & 0xFF);
           arr[offset + 3] = (byte) ((value >>> 32) & 0xFF);
           arr[offset + 4] = (byte) ((value >>> 24) & 0xFF);
           arr[offset + 5] = (byte) ((value >>> 16) & 0xFF);
           arr[offset + 6] = (byte) ((value >>>  8) & 0xFF);
           arr[offset + 7] = (byte) ((value >>>  0) & 0xFF);
             */
             byte[] buff = BitConverter.GetBytes(value);
             Array.Copy(buff, 0, arr, offset, buff.Length);
         }

ByteBuffer Deveel.Data.Util.ByteBuffer.WriteInteger ( int v )

inline

Writes an integer into the buffer at the current position.

Parameters

v

Returns

Definition at line 118 of file ByteBuffer.cs.

                                               {
             WriteInteger(v, buf, pos);
             pos += 4;
             return this;
         }

static void Deveel.Data.Util.ByteBuffer.WriteInteger	(	int	value,
		byte[]	arr,
		int	offset
	)

inlinestatic

Definition at line 176 of file ByteBuffer.cs.

                                                                            {
             /*
             TODO: check ...
           arr[offset + 0] = (byte) ((value >>> 24) & 0xFF);
           arr[offset + 1] = (byte) ((value >>> 16) & 0xFF);
           arr[offset + 2] = (byte) ((value >>>  8) & 0xFF);
           arr[offset + 3] = (byte) ((value >>>  0) & 0xFF);
              */
             byte[] buff = BitConverter.GetBytes(value);
             Array.Copy(buff, 0, arr, offset, buff.Length);
         }

Member Data Documentation

readonly byte [] Deveel.Data.Util.ByteBuffer.buf

private

The wrapped byte array itself.

Definition at line 31 of file ByteBuffer.cs.

readonly int Deveel.Data.Util.ByteBuffer.length

private

The length of the buf array.

Definition at line 41 of file ByteBuffer.cs.

int Deveel.Data.Util.ByteBuffer.pos

private

The current position in the array.

Definition at line 36 of file ByteBuffer.cs.

Property Documentation

int Deveel.Data.Util.ByteBuffer.Length

get

Returns the length of this buffer.

Definition at line 70 of file ByteBuffer.cs.

int Deveel.Data.Util.ByteBuffer.Position

getset

Gets or sets the position in to the buffer.

Definition at line 62 of file ByteBuffer.cs.

The documentation for this class was generated from the following file:

/var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Util/ByteBuffer.cs

Public Member Functions

Static Public Member Functions

Properties

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

Property Documentation