Class: Argus::NavOption

Inherits:
Object
  • Object
show all
Defined in:
lib/argus/nav_option.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ NavOption

Returns a new instance of NavOption


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# File 'lib/argus/nav_option.rb', line 6

def initialize(data)
  @tag, @size = data.unpack("vv")
end

Instance Attribute Details

#tagObject (readonly)

Returns the value of attribute tag


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# File 'lib/argus/nav_option.rb', line 4

def tag
  @tag
end

Class Method Details

.initial_formatObject

Skip the tag and size fields, We've already handled them in the base class.


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# File 'lib/argus/nav_option.rb', line 30

def self.initial_format
  "x4"
end

.optionsObject


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# File 'lib/argus/nav_option.rb', line 14

def self.options
  @options ||= { }
end

.parse(raw_data) ⇒ Object


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# File 'lib/argus/nav_option.rb', line 22

def self.parse(raw_data)
  tag = raw_data.unpack("v").first
  option = options[tag] || NavOptionUnknown
  option.new(raw_data)
end

.register(option) ⇒ Object


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# File 'lib/argus/nav_option.rb', line 18

def self.register(option)
  options[option.tag] = option
end

Instance Method Details

#sizeObject


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# File 'lib/argus/nav_option.rb', line 10

def size
  @size < 4 ? 4 : @size
end