Class: Mods::Date::RomanNumeralCenturyFormat

Inherits:
RomanNumeralYearFormat show all
Defined in:
lib/mods/date.rb

Overview

Full-text extractor for centuries encoded as Roman numerals

Constant Summary collapse

REGEX = 
/(cent. )?(?<century>[xvi]+)/

Instance Attribute Summary

Attributes inherited from Mods::Date

#date, #xml

Class Method Summary collapse

Methods inherited from RomanNumeralYearFormat

roman_to_int

Methods inherited from ExtractorDateFormat

supports?

Methods inherited from Mods::Date

#approximate?, #as_range, #encoding, #encoding?, #end?, from_element, #inferred?, #initialize, parse_date, #point, #qualifier, #questionable?, #single?, #start?, #text, #to_a, #type

Constructor Details

This class inherits a constructor from Mods::Date

Class Method Details

.cleanup(text) ⇒ Object 



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# File 'lib/mods/date.rb', line 152

def self.cleanup(text)
  matches = text.match(REGEX)
  munge_to_yyyy(matches[:century])
end

.munge_to_yyyy(text) ⇒ Object 



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# File 'lib/mods/date.rb', line 157

def self.munge_to_yyyy(text)
  value = roman_to_int(text.upcase)
  (value - 1).to_s.rjust(2, "0") + 'XX'
end