Class: Cabriolet::Binary::OABStructures::BlockHeader

Inherits:

BinData::Record

• Object
• BinData::Record
• Cabriolet::Binary::OABStructures::BlockHeader

Defined in:

lib/cabriolet/binary/oab_structures.rb

Overview

OAB block header for full files

Structure (16 bytes):

• 4 bytes: flags (0=uncompressed, 1=LZX compressed)

• 4 bytes: compressed_size

• 4 bytes: uncompressed_size

• 4 bytes: crc (CRC32 of decompressed data)

Instance Method Summary

• #compressed? ⇒ Boolean

  Check if block is compressed.

• #uncompressed? ⇒ Boolean

  Check if block is uncompressed.

Instance Method Details

#compressed? ⇒ Boolean

Check if block is compressed

Returns:

• (Boolean)

# File 'lib/cabriolet/binary/oab_structures.rb', line 54

def compressed?
  flags == 1
end

#uncompressed? ⇒ Boolean

Check if block is uncompressed

Returns:

• (Boolean)

# File 'lib/cabriolet/binary/oab_structures.rb', line 61

def uncompressed?
  flags.zero?
end