Module: Unnatural::Substitution

Defined in:
lib/unnatural/substitution.rb

Class Method Summary collapse

Class Method Details

.compare(a, b) ⇒ Object 



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# File 'lib/unnatural/substitution.rb', line 8

def self.compare(a, b)
  largest = a.size < b.size ? b.size : a.size
  substitute(a, largest) <=> substitute(b, largest)
end

.sort(enumerable) ⇒ Object 



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# File 'lib/unnatural/substitution.rb', line 3

def self.sort(enumerable)
  largest = enumerable.map(&:size).max
  enumerable.sort_by { |s| substitute(s, largest) }
end

.substitute(string, size) ⇒ Object 



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# File 'lib/unnatural/substitution.rb', line 13

def self.substitute(string, size)
  format_string = "%0#{size}d"
  string.downcase.gsub(/\d+/) do |m|
    format(format_string, m.gsub(/^0+(?=[1-9])/, ''))
  end
end