Class: MachO::LoadCommands::UUIDCommand

Inherits:

LoadCommand

• Object
• MachOStructure
• LoadCommand
• MachO::LoadCommands::UUIDCommand

Defined in:

lib/macho/load_commands.rb

Overview

A load command containing a single 128-bit unique random number identifying an object produced by static link editor. Corresponds to LC_UUID.

Constant Summary

FORMAT =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

See Also:

• MachOStructure::FORMAT

"L=2a16".freeze

SIZEOF =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

See Also:

• MachOStructure::SIZEOF

24

Instance Attribute Summary

• #uuid ⇒ Array<Fixnum> readonly

  The UUID.

Attributes inherited from LoadCommand

#cmd, #cmdsize, #view

Instance Method Summary

• #initialize(view, cmd, cmdsize, uuid) ⇒ UUIDCommand constructor private

  A new instance of UUIDCommand.

• #uuid_string ⇒ String

  A string representation of the UUID.

Methods inherited from LoadCommand

create, new_from_bin, #offset, #serializable?, #serialize, #to_s, #type

Methods inherited from MachOStructure

bytesize, new_from_bin

Constructor Details

#initialize(view, cmd, cmdsize, uuid) ⇒ UUIDCommand

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of UUIDCommand.

# File 'lib/macho/load_commands.rb', line 348

def initialize(view, cmd, cmdsize, uuid)
  super(view, cmd, cmdsize)
  @uuid = uuid.unpack("C16") # re-unpack for the actual UUID array
end

Instance Attribute Details

#uuid ⇒ Array<Fixnum> (readonly)

Returns the UUID.

Returns:

• (Array<Fixnum>) —

  the UUID

# File 'lib/macho/load_commands.rb', line 337

def uuid
  @uuid
end

Instance Method Details

#uuid_string ⇒ String

Returns a string representation of the UUID.

Returns:

• (String) —

  a string representation of the UUID

# File 'lib/macho/load_commands.rb', line 354

def uuid_string
  hexes = uuid.map { |e| "%02x" % e }
  segs = [
    hexes[0..3].join, hexes[4..5].join, hexes[6..7].join,
    hexes[8..9].join, hexes[10..15].join
  ]

  segs.join("-")
end