Class: BplEnrich::LCSH

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

Class Method Summary collapse

Class Method Details

.standardize(value) ⇒ Object

Take LCSH subjects and make them standard.



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# File 'lib/bpl_enrich/lcsh.rb', line 5

def self.standardize(value)

  if value.blank?
    return ''
  end

  #Remove stuff that is quoted (quotation for first and last words)..
  value = value.gsub(/^['"]/, '').gsub(/['"]$/, '').strip

  #Remove ending periods ... except when an initial or etc.
  if value.last == '.' && value[-2].match(/[^A-Z]/) && !value[-4..-1].match('etc.')
    value = value.slice(0..-2)
  end

  #Fix when '- -' occurs
  value = value.gsub(/-\s-/,'--')

  #Fix for "em" dashes - two types?
  value = value.gsub('—','--')

  #Fix for "em" dashes - two types?
  value = value.gsub('–','--')

  #Fix for ' - ' combinations
  value = value.gsub(' - ','--')

  #Remove white space after and before  '--'
  value = value.gsub(/\s+--/,'--')
  value = value.gsub(/--\s+/,'--')

  #Ensure a value still exists after all the replacements
  return '' if value.blank?

  #Ensure first work is capitalized
  value[0] = value.first.capitalize[0]

  #Strip an white space
  value = BplEnrich.strip_value(value)

  return value
end