Class: Samovar::One

Inherits:
Object
  • Object
show all
Defined in:
lib/samovar/one.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, description, pattern: //, default: nil) ⇒ One

Returns a new instance of One.



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# File 'lib/samovar/one.rb', line 23

def initialize(key, description, pattern: //, default: nil)
  @key = key
  @description = description
  @pattern = pattern
  @default = default
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/samovar/one.rb', line 30

def key
  @key
end

Instance Method Details

#parse(input, default = @default) ⇒ Object 



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# File 'lib/samovar/one.rb', line 46

def parse(input, default = @default)
  if input.first =~ @pattern
    input.shift
  end || default
end

#to_a ⇒ Object 



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# File 'lib/samovar/one.rb', line 36

def to_a
  usage = [to_s, @description]
  
  if @default
    usage << "Default: #{@default.inspect}"
  end
  
  return usage
end

#to_s ⇒ Object 



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# File 'lib/samovar/one.rb', line 32

def to_s
  "<#{@key}>"
end