Class: Tankobon::SanitizeTransform

Inherits:
Transform
  • Object
show all
Defined in:
lib/tankobon/transform.rb

Instance Method Summary collapse

Methods inherited from Transform

#to_proc

Constructor Details

#initialize(padding = 5) ⇒ SanitizeTransform

Returns a new instance of SanitizeTransform.



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# File 'lib/tankobon/transform.rb', line 28

def initialize(padding=5)
  @padding = padding
end

Instance Method Details

#pad(num) ⇒ Object 



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# File 'lib/tankobon/transform.rb', line 32

def pad(num)
  "%0#{@padding}d-" % num
end

#transform(input) ⇒ Object 



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# File 'lib/tankobon/transform.rb', line 36

def transform(input)
  if not input =~ /[0-9]+/ then
    "#{pad(0)}#{input}"
  else
    input.gsub(/([0-9]+)/){pad($1.to_i)}
        .gsub(/([^0-9\-]+)/){""}
        .gsub(/(\-+)/){"-"}
        .gsub(/(\-$)/){""}
        .gsub(/(^\-)/){""}
  end
end