Class: String

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

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#is_ordinal? ⇒ Boolean

returns true if the sending string is a text or numeric ordinal (e.g. first or 1st)

Returns:

  • (Boolean) 


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# File 'lib/tickle.rb', line 106

def is_ordinal?
  scanner = %w{first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twenty thirty thirtieth}
  regex = /\b(\d*)(st|nd|rd|th)\b/
  !(self =~ regex).nil? || scanner.include?(self.downcase)
end

#ordinal_as_number ⇒ Object 



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# File 'lib/tickle.rb', line 112

def ordinal_as_number
  return self unless self.is_ordinal?
  scanner = {/first/ => '1st',
    /second/ => '2nd',
    /third/ => '3rd',
    /fourth/ => '4th',
    /fifth/ => '5th',
    /sixth/ => '6th',
    /seventh/ => '7th',
    /eighth/ => '8th',
    /ninth/ => '9th',
    /tenth/ => '10th',
    /eleventh/ => '11th',
    /twelfth/ => '12th',
    /thirteenth/ => '13th',
    /fourteenth/ => '14th',
    /fifteenth/ => '15th',
    /sixteenth/ => '16th',
    /seventeenth/ => '17th',
    /eighteenth/ => '18th',
    /nineteenth/ => '19th',
    /twentieth/ => '20th',
    /thirtieth/ => '30th',
  }
  result = self
  scanner.keys.each {|scanner_item| result = scanner[scanner_item] if scanner_item =~ self}
  return result.gsub(/\b(\d*)(st|nd|rd|th)\b/, '\1')
end