Package net.sf.jazzlib

Class DeflaterHuffman

java.lang.Object

net.sf.jazzlib.DeflaterHuffman

class DeflaterHuffman
extends Object

This is the DeflaterHuffman class. This class is not thread safe. This is inherent in the API, due to the split of deflate and setInput.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	DeflaterHuffman.Tree

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	bit4Reverse
private static final int	BITLEN_NUM
private static final int[]	BL_ORDER
private final DeflaterHuffman.Tree	blTree
private static final int	BUFSIZE
private final short[]	d_buf
private static final int	DIST_NUM
private final DeflaterHuffman.Tree	distTree
private static final int	EOF_SYMBOL
private int	extra_bits
private final byte[]	l_buf
private int	last_lit
private static final int	LITERAL_NUM
private final DeflaterHuffman.Tree	literalTree
(package private) DeflaterPending	pending
private static final int	REP_11_138
private static final int	REP_3_10
private static final int	REP_3_6
private static short[]	staticDCodes
private static byte[]	staticDLength
private static short[]	staticLCodes
private static byte[]	staticLLength

Constructor Summary

Constructors

Constructor	Description
DeflaterHuffman(DeflaterPending pending)

Method Summary

Modifier and Type	Method	Description
(package private) static short	bitReverse(int value)	Reverse the bits of a 16 bit value.
void	compressBlock()
private final int	d_code(int distance)
void	flushBlock(byte[] stored, int stored_offset, int stored_len, boolean lastBlock)
void	flushStoredBlock(byte[] stored, int stored_offset, int stored_len, boolean lastBlock)
final boolean	isFull()
private final int	l_code(int len)
final void	reset()
void	sendAllTrees(int blTreeCodes)
final boolean	tallyDist(int dist, int len)
final boolean	tallyLit(int lit)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BUFSIZE

private static final int BUFSIZE

See Also:

• Constant Field Values

LITERAL_NUM

private static final int LITERAL_NUM

See Also:

• Constant Field Values

DIST_NUM

private static final int DIST_NUM

See Also:

• Constant Field Values

BITLEN_NUM

private static final int BITLEN_NUM

See Also:

• Constant Field Values

REP_3_6

private static final int REP_3_6

See Also:

• Constant Field Values

REP_3_10

private static final int REP_3_10

See Also:

• Constant Field Values

REP_11_138

private static final int REP_11_138

See Also:

• Constant Field Values

EOF_SYMBOL

private static final int EOF_SYMBOL

See Also:

• Constant Field Values

BL_ORDER

private static final int[] BL_ORDER

bit4Reverse

private static final String bit4Reverse

See Also:

• Constant Field Values

pending

DeflaterPending pending

literalTree

private final DeflaterHuffman.Tree literalTree

distTree

private final DeflaterHuffman.Tree distTree

blTree

private final DeflaterHuffman.Tree blTree

d_buf

private final short[] d_buf

l_buf

private final byte[] l_buf

last_lit

private int last_lit

extra_bits

private int extra_bits

staticLCodes

private static short[] staticLCodes

staticLLength

private static byte[] staticLLength

staticDCodes

private static short[] staticDCodes

staticDLength

private static byte[] staticDLength

Constructor Details

DeflaterHuffman

public DeflaterHuffman(DeflaterPending pending)

Method Details

bitReverse

static short bitReverse(int value)

Reverse the bits of a 16 bit value.

reset

public final void reset()

l_code

private final int l_code(int len)

d_code

private final int d_code(int distance)

sendAllTrees

public void sendAllTrees(int blTreeCodes)

compressBlock

public void compressBlock()

flushStoredBlock

public void flushStoredBlock(byte[] stored,
 int stored_offset,
 int stored_len,
 boolean lastBlock)

flushBlock

public void flushBlock(byte[] stored,
 int stored_offset,
 int stored_len,
 boolean lastBlock)

isFull

public final boolean isFull()

tallyLit

public final boolean tallyLit(int lit)

tallyDist

public final boolean tallyDist(int dist,
 int len)