javolution.io.Struct.Unsigned16 Class Reference

Inheritance diagram for javolution.io.Struct.Unsigned16:

Collaboration diagram for javolution.io.Struct.Unsigned16:

Public Member Functions
	Unsigned16 ()
	Unsigned16 (int nbrOfBits)
int	get ()
void	set (int value)
String	toString ()
final Struct	struct ()
final int	offset ()
final int	bitIndex ()
final int	bitLength ()

Package Functions
final int	get (int wordSize, int word)
final long	get (int wordSize, long word)
final int	set (int value, int wordSize, int word)
final long	set (long value, int wordSize, long word)

Private Attributes
final int	_offset
final int	_bitIndex
final int	_bitLength

Detailed Description

This class represents a 16 bits unsigned integer.

Definition at line 1269 of file Struct.java.

Constructor & Destructor Documentation

Unsigned16() [1/2]

javolution.io.Struct.Unsigned16.Unsigned16

(

)

Definition at line 1271 of file Struct.java.

                            {
            super(16, 2);
        }

Unsigned16() [2/2]

javolution.io.Struct.Unsigned16.Unsigned16

(

int

nbrOfBits

)

Definition at line 1275 of file Struct.java.

                                         {
            super(nbrOfBits, 2);
        }

Member Function Documentation

bitIndex()

final int javolution.io.Struct.Member.bitIndex ( )

inherited

Holds the bit offset of this member (if any). The actual position of the bits data depends upon the endianess and the word size.

Definition at line 998 of file Struct.java.

                                    {
            return _bitIndex;
        }

References javolution.io.Struct.Member._bitIndex.

Referenced by javolution.io.Struct.Member.get(), javolution.io.Struct.BitField.longValue(), javolution.io.Struct.Member.set(), and javolution.io.Struct.BitField.set().

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bitLength()

final int javolution.io.Struct.Member.bitLength ( )

inherited

Returns the number of bits in this member. Can be zero if this member is used to force the next member to the next word boundary.

Returns

the number of bits in the member.

Definition at line 1008 of file Struct.java.

                                     {
            return _bitLength;
        }

References javolution.io.Struct.Member._bitLength.

Referenced by javolution.io.Struct.Member.get(), javolution.io.Struct.Bool.get(), javolution.io.Struct.Signed8.get(), javolution.io.Struct.Unsigned8.get(), javolution.io.Struct.Signed16.get(), javolution.io.Struct.Unsigned16.get(), javolution.io.Struct.Signed32.get(), javolution.io.Struct.Unsigned32.get(), javolution.io.Struct.Signed64.get(), javolution.io.Struct.BitField.longValue(), javolution.io.Struct.Member.Member(), javolution.io.Struct.Member.set(), javolution.io.Struct.Bool.set(), javolution.io.Struct.Signed8.set(), javolution.io.Struct.Unsigned8.set(), javolution.io.Struct.Signed16.set(), javolution.io.Struct.Unsigned16.set(), javolution.io.Struct.Signed32.set(), javolution.io.Struct.Unsigned32.set(), javolution.io.Struct.Signed64.set(), and javolution.io.Struct.BitField.set().

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get() [1/3]

int javolution.io.Struct.Unsigned16.get

(

)

Definition at line 1279 of file Struct.java.

                         {
            final int index = getByteBufferPosition() + offset();
            int word = getByteBuffer().getShort(index);
            return 0xFFFF & ((bitLength() == 16) ? word : get(2, word));
        }

References javolution.io.Struct.Member.bitLength(), javolution.io.Struct.getByteBuffer(), javolution.io.Struct.getByteBufferPosition(), and javolution.io.Struct.Member.offset().

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get() [2/3]

final int javolution.io.Struct.Member.get ( int  wordSize, int  word  )

packageinherited

Definition at line 1013 of file Struct.java.

                                              {
            final int shift = (byteOrder() == ByteOrder.BIG_ENDIAN) ? (wordSize << 3)
                    - bitIndex() - bitLength()
                    : bitIndex();
            word >>= shift;
            int mask = 0xFFFFFFFF >>> (32 - bitLength());
            return word & mask;
        }

References javolution.io.Struct.Member.bitIndex(), javolution.io.Struct.Member.bitLength(), and javolution.io.Struct.byteOrder().

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get() [3/3]

final long javolution.io.Struct.Member.get ( int  wordSize, long  word  )

packageinherited

Definition at line 1034 of file Struct.java.

                                                {
            final int shift = (byteOrder() == ByteOrder.BIG_ENDIAN) ? (wordSize << 3)
                    - bitIndex() - bitLength()
                    : bitIndex();
            word >>= shift;
            long mask = 0xFFFFFFFFFFFFFFFFL >>> (64 - bitLength());
            return word & mask;
        }

References javolution.io.Struct.Member.bitIndex(), javolution.io.Struct.Member.bitLength(), and javolution.io.Struct.byteOrder().

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offset()

final int javolution.io.Struct.Member.offset ( )

inherited

Returns the byte offset of this member in its struct. Equivalent to C/C++ offsetof(struct(), this)

Returns

the offset of this member in the Struct.

Definition at line 989 of file Struct.java.

                                  {
            return _offset;
        }

References javolution.io.Struct.Member._offset.

Referenced by javolution.io.Struct.UTF8String.get(), javolution.io.Struct.Bool.get(), javolution.io.Struct.Signed8.get(), javolution.io.Struct.Unsigned8.get(), javolution.io.Struct.Signed16.get(), javolution.io.Struct.Unsigned16.get(), javolution.io.Struct.Signed32.get(), javolution.io.Struct.Unsigned32.get(), javolution.io.Struct.Signed64.get(), javolution.io.Struct.Float32.get(), javolution.io.Struct.Float64.get(), javolution.io.Struct.Enum8< T extends Enum< T >.get(), javolution.io.Struct.Enum16< T extends Enum< T >.get(), javolution.io.Struct.Enum32< T extends Enum< T >.get(), javolution.io.Struct.Enum64< T extends Enum< T >.get(), javolution.io.Struct.Reference32< S extends Struct >.isUpToDate(), javolution.io.Struct.Reference64< S extends Struct >.isUpToDate(), javolution.io.Struct.BitField.longValue(), javolution.io.Struct.UTF8String.set(), javolution.io.Struct.Bool.set(), javolution.io.Struct.Signed8.set(), javolution.io.Struct.Unsigned8.set(), javolution.io.Struct.Signed16.set(), javolution.io.Struct.Unsigned16.set(), javolution.io.Struct.Signed32.set(), javolution.io.Struct.Unsigned32.set(), javolution.io.Struct.Signed64.set(), javolution.io.Struct.BitField.set(), javolution.io.Struct.Float32.set(), javolution.io.Struct.Float64.set(), javolution.io.Struct.Reference32< S extends Struct >.set(), javolution.io.Struct.Reference64< S extends Struct >.set(), javolution.io.Struct.Enum8< T extends Enum< T >.set(), javolution.io.Struct.Enum16< T extends Enum< T >.set(), javolution.io.Struct.Enum32< T extends Enum< T >.set(), javolution.io.Struct.Enum64< T extends Enum< T >.set(), javolution.io.Struct.Reference32< S extends Struct >.value(), and javolution.io.Struct.Reference64< S extends Struct >.value().

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set() [1/3]

void javolution.io.Struct.Unsigned16.set

(

int

value

)

Definition at line 1285 of file Struct.java.

                                   {
            final int index = getByteBufferPosition() + offset();
            if (bitLength() == 16) {
                getByteBuffer().putShort(index, (short) value);
            } else {
                getByteBuffer().putShort(index,
                        (short) set(value, 2, getByteBuffer().getShort(index)));
            }
        }

References javolution.io.Struct.Member.bitLength(), javolution.io.Struct.getByteBuffer(), javolution.io.Struct.getByteBufferPosition(), and javolution.io.Struct.Member.offset().

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set() [2/3]

final int javolution.io.Struct.Member.set ( int  value, int  wordSize, int  word  )

packageinherited

Definition at line 1023 of file Struct.java.

                                                         {
            final int shift = (byteOrder() == ByteOrder.BIG_ENDIAN) ? (wordSize << 3)
                    - bitIndex() - bitLength()
                    : bitIndex();
            int mask = 0xFFFFFFFF >>> (32 - bitLength());
            mask <<= shift;
            value <<= shift;
            return (word & ~mask) | (value & mask);
        }

References javolution.io.Struct.Member.bitIndex(), javolution.io.Struct.Member.bitLength(), and javolution.io.Struct.byteOrder().

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set() [3/3]

final long javolution.io.Struct.Member.set ( long  value, int  wordSize, long  word  )

packageinherited

Definition at line 1044 of file Struct.java.

                                                            {
            final int shift = (byteOrder() == ByteOrder.BIG_ENDIAN) ? (wordSize << 3)
                    - bitIndex() - bitLength()
                    : bitIndex();
            long mask = 0xFFFFFFFFFFFFFFFFL >>> (64 - bitLength());
            mask <<= shift;
            value <<= shift;
            return (word & ~mask) | (value & mask);
        }

References javolution.io.Struct.Member.bitIndex(), javolution.io.Struct.Member.bitLength(), and javolution.io.Struct.byteOrder().

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struct()

final Struct javolution.io.Struct.Member.struct ( )

inherited

Returns the outer struct container.

Returns

the outer struct.

Definition at line 979 of file Struct.java.

                                     {
            return Struct.this;
        }

toString()

String javolution.io.Struct.Unsigned16.toString

(

)

Definition at line 1295 of file Struct.java.

                                 {
            return String.valueOf(this.get());
        }

Member Data Documentation

_bitIndex

final int javolution.io.Struct.Member._bitIndex

privateinherited

Holds the relative bit offset of this member to its struct offset.

Definition at line 903 of file Struct.java.

Referenced by javolution.io.Struct.Member.bitIndex(), and javolution.io.Struct.Member.Member().

_bitLength

final int javolution.io.Struct.Member._bitLength

privateinherited

Holds the bit length of this member.

Definition at line 907 of file Struct.java.

Referenced by javolution.io.Struct.Member.bitLength(), and javolution.io.Struct.Member.Member().

_offset

final int javolution.io.Struct.Member._offset

privateinherited

Holds the relative offset (in bytes) of this member within its struct.

Definition at line 899 of file Struct.java.

Referenced by javolution.io.Struct.Member.Member(), and javolution.io.Struct.Member.offset().

---

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

• Struct.java