Class: Far::Option

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, value) ⇒ Option

Returns a new instance of Option.



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# File 'lib/far/option.rb', line 5

def initialize(key, value)
  @key   = key.to_s
  @value = value
end

Instance Attribute Details

#key ⇒ Object

Returns the value of attribute key.



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# File 'lib/far/option.rb', line 3

def key
  @key
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/far/option.rb', line 3

def value
  @value
end

Instance Method Details

#boolean? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/far/option.rb', line 34

def boolean?
  !!@value == @value
end

#equals ⇒ Object 



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# File 'lib/far/option.rb', line 30

def equals
  "=" unless boolean?
end

#far_option? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/far/option.rb', line 14

def far_option?
  Options.far_options.include? @key.to_sym
end

#flag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/far/option.rb', line 18

def flag?
  @key.length > 1
end

#negator ⇒ Object 



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# File 'lib/far/option.rb', line 26

def negator
  "no-" unless @value
end

#prefix ⇒ Object 



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# File 'lib/far/option.rb', line 38

def prefix
  return "--" if flag?
  return "-"  if switch?
end

#switch? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/far/option.rb', line 22

def switch?
  @key.length == 1
end

#to_command_line ⇒ Object 



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# File 'lib/far/option.rb', line 10

def to_command_line
  "#{prefix}#{negator}#{@key.gsub(/\_/) { |k| "-" }}#{equals}#{@value unless boolean?}"
end