Class: Main::Mode::List

Inherits:
Array
  • Object
show all
Defined in:
lib/main/mode.rb

Instance Method Summary collapse

Constructor Details

#initialize(*a, &b) ⇒ List

Returns a new instance of List.



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# File 'lib/main/mode.rb', line 10

def initialize *a, &b
  super
ensure
  self.fields = []
end

Instance Method Details

#add(klass) ⇒ Object

Raises:



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# File 'lib/main/mode.rb', line 16

def add klass
  mode_name = Mode.new klass.mode_name
  raise Duplicate, mode_name if has_key? mode_name
  self[mode_name] = klass
end

#find_by_mode(m, options = {}) ⇒ Object 



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# File 'lib/main/mode.rb', line 22

def find_by_mode m, options = {}
  each_pair do |mode, klass|
    return mode if mode == m
  end
  candidates = []
  each_pair do |mode, klass|
    candidates << mode if mode.index(m) == 0
  end
  case candidates.size
    when 0
      nil
    when 1
      candidates.first
    else
      raise Ambiguous, "ambiguous mode: #{ m } = (#{ candidates.sort.join ' or ' })?"
  end
end