Class: Cell

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object, hash = { }) ⇒ Cell

Returns a new instance of Cell.



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# File 'lib/args.rb', line 6

def initialize(object, hash = { })
  @obj = object
  hash.each {|k,v| instance_variable_set("@#{k}",v)}
  if @repeatable
    @value = [ ]
  end
end

Instance Attribute Details

#default ⇒ Object

Returns the value of attribute default.



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# File 'lib/args.rb', line 4

def default
  @default
end

#repeatable ⇒ Object

Returns the value of attribute repeatable.



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# File 'lib/args.rb', line 4

def repeatable
  @repeatable
end

#required ⇒ Object

Returns the value of attribute required.



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# File 'lib/args.rb', line 4

def required
  @required
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/args.rb', line 4

def value
  @value
end

Instance Method Details

#command ⇒ Object 



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# File 'lib/args.rb', line 18

def command
  @obj.class <= Command ? @obj : nil
end

#desc ⇒ Object 



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# File 'lib/args.rb', line 70

def desc
  @obj.desc
end

#full? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/args.rb', line 14

def full?
  @full
end

#missing_value ⇒ Object 



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# File 'lib/args.rb', line 53

def missing_value
  if @value.nil? && @default
    set(@default, nil)
  end
  return false unless @required
  # @required is true
  if @repeatable && @value == [ ]
    true
  else
    @value.nil?
  end
end

#name ⇒ Object 



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# File 'lib/args.rb', line 66

def name
  @obj.name
end

#set(value, target) ⇒ Object

return nil on success, error message on failure



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# File 'lib/args.rb', line 23

def set(value, target)
  case
  when @obj.class == Arg
    error = @obj.validate?(value, target)
    if error
      if @repeatable
        @full = true
      end
      return error
    end
    if @obj.validator.class == Hash
      value = @obj.validator[value]
    end
    if @repeatable
      @value << value
    else
      @value = value
      @full = true
    end
  when @obj.class <= Command
    if value == @obj.name
      @value = @obj
      @full = true
    else
      return "incorrect command name"
    end  
  end
  nil
end