Class: Pubid::Itu::Identifiers::Supplement

Inherits:
Base
  • Object
show all
Defined in:
lib/pubid/itu/identifiers/supplement.rb

Overview

Supplement identifier (Suppl.) Pattern: "ITU-T H Suppl. 1", "ITU-T E.156 Suppl. 2"

Direct Known Subclasses

Amendment, Corrigendum

Instance Method Summary collapse

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/pubid/itu/identifiers/supplement.rb', line 34

def ==(other)
  return false unless other.is_a?(Supplement)

  base == other.base &&
    number == other.number &&
    date == other.date
end

#to_s ⇒ Object 



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# File 'lib/pubid/itu/identifiers/supplement.rb', line 12

def to_s
  result = base ? base.to_s : "#{publisher}-#{sector}"

  # Add series if no base
  if !base && series
    result += " #{series}"
  end

  result += " Suppl. #{number}"

  # Add date if present
  if date
    result += if date.month
                " (#{date.month}/#{date.year})"
              else
                " (#{date.year})"
              end
  end

  result
end