Class: CocinaDisplay::Dates::EmbeddedBCYearFormat

Inherits:
ExtractorDateFormat show all
Defined in:
lib/cocina_display/dates/date.rb

Overview

Extractor that tries hard to pick any BC year present in the data

Constant Summary collapse

REGEX = 
/(?<year>\d{3,4})\s?B\.?C\.?/i

Constants inherited from Date

Date::BCE_CHAR_SORT_MAP, Date::UNPARSABLE_VALUES

Instance Attribute Summary

Attributes inherited from Date

#cocina, #date, #type

Class Method Summary collapse

Methods inherited from ExtractorDateFormat

supports?

Methods inherited from Date

#<=>, #approximate?, #as_range, #base_value, #decoded_value, #encoding, #encoding?, #end?, format_date, from_cocina, #inferred?, #initialize, #parsable?, parse_date, #parsed_date?, #precision, #primary?, #qualified?, #qualified_value, #qualifier, #questionable?, #sort_key, #start?, #to_a, #value

Constructor Details

This class inherits a constructor from CocinaDisplay::Dates::Date

Class Method Details

.normalize_to_edtf(text) ⇒ Object 



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# File 'lib/cocina_display/dates/date.rb', line 642

def self.normalize_to_edtf(text)
  matches = text.match(REGEX)
  "-#{(matches[:year].to_i - 1).to_s.rjust(4, "0")}"
end