Module: LZW::Constants

Included in:

Compressor, Decompressor

Defined in:

lib/lzw/constants.rb

Constant Summary

MAGIC =

byte 1-2: static magic

"\037\235".b

MASK_BITS =

byte 3: mask for max_code_size

0x1f

MASK_BLOCK =

byte 3: mask for block_mode

0x80

RESET_CODE =

block mode: reserved code: reset code table

256

BL_INIT_CODE =

block mode: first available code

257

NR_INIT_CODE =

normal mode: first available code

256

INIT_CODE_SIZE =

initial code size after header

9

CHECKPOINT_BITS =

block mode: check for falling compression

10_000