Module: Cabriolet::Constants

Defined in:

lib/cabriolet/constants.rb

Overview

CAB format constants

Constant Summary

CAB_SIGNATURE =

CAB signature

0x4643534D

COMP_TYPE_NONE =

Compression types

0

COMP_TYPE_MSZIP =

1

COMP_TYPE_QUANTUM =

2

COMP_TYPE_LZX =

3

COMP_TYPE_MASK =

Compression type mask

0x000F

FLAG_PREV_CABINET =

CAB header flags

0x0001

FLAG_NEXT_CABINET =

0x0002

FLAG_RESERVE_PRESENT =

0x0004

ATTRIB_READONLY =

File attribute flags

0x01

ATTRIB_HIDDEN =

0x02

ATTRIB_SYSTEM =

0x04

ATTRIB_ARCH =

0x20

ATTRIB_EXEC =

0x40

ATTRIB_UTF_NAME =

0x80

FOLDER_CONTINUED_FROM_PREV =

Folder index special values

0xFFFD

FOLDER_CONTINUED_TO_NEXT =

0xFFFE

FOLDER_CONTINUED_PREV_AND_NEXT =

0xFFFF

BLOCK_MAX =

Block and folder limits

32_768

INPUT_MAX =

Maximum uncompressed block size

BLOCK_MAX + 6144

FOLDER_MAX =

Maximum compressed block size (LZX worst case)

65_535

LENGTH_MAX =

Maximum number of data blocks per folder

BLOCK_MAX * FOLDER_MAX

CFHEADER_SIZE =

Structure sizes

36

CFHEADER_EXT_SIZE =

4

CFFOLDER_SIZE =

8

CFFILE_SIZE =

16

CFDATA_SIZE =

8

MODE_READ =

I/O modes

0

MODE_WRITE =

1

MODE_UPDATE =

2

MODE_APPEND =

3

SEEK_START =

Seek modes

0

SEEK_CUR =

1

SEEK_END =

2

KWAJ_COMP_NONE =

KWAJ compression types

0

KWAJ_COMP_XOR =

1

KWAJ_COMP_SZDD =

2

KWAJ_COMP_LZH =

3

KWAJ_COMP_MSZIP =

4

KWAJ_HDR_HASLENGTH =

KWAJ header flags

0x01

KWAJ_HDR_HASUNKNOWN1 =

0x02

KWAJ_HDR_HASUNKNOWN2 =

0x04

KWAJ_HDR_HASFILENAME =

0x08

KWAJ_HDR_HASFILEEXT =

0x10

KWAJ_HDR_HASEXTRATEXT =

0x20