Class: Zippo::BinaryStructure::StructureMember

Inherits:
Object
  • Object
show all
Defined in:
lib/zippo/binary_structure/structure_member.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, pack, options = {}) ⇒ StructureMember

Returns a new instance of StructureMember.



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# File 'lib/zippo/binary_structure/structure_member.rb', line 4

def initialize(name, pack, options = {})
  @name = name
  @pack = pack
  @options = options
  @width = StructureMember.width(@pack)
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/zippo/binary_structure/structure_member.rb', line 24

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/zippo/binary_structure/structure_member.rb', line 24

def options
  @options
end

#pack ⇒ Object (readonly)

Returns the value of attribute pack.



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# File 'lib/zippo/binary_structure/structure_member.rb', line 24

def pack
  @pack
end

#width ⇒ Object (readonly)

XXX unspec



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# File 'lib/zippo/binary_structure/structure_member.rb', line 15

def width
  @width
end

Class Method Details

.width(pack) ⇒ Object 



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# File 'lib/zippo/binary_structure/structure_member.rb', line 16

def self.width(pack)
  case pack
  when 'L' then 4
  when 'S' then 2
  when /^a(\d+)$/ then Regexp.last_match[1].to_i
  when 'a*' then nil
  end
end

Instance Method Details

#dependent ⇒ Object

XXX unspec



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# File 'lib/zippo/binary_structure/structure_member.rb', line 11

def dependent
  options[:size]
end

#signature? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zippo/binary_structure/structure_member.rb', line 26

def signature?
  options[:signature]
end