Class: Pubid::Bsi::Identifiers::Set

Inherits:
Base
  • Object
show all
Defined in:
lib/pubid/bsi/identifiers/set.rb

Overview

Set represents multiple standards published as a set Format: identifier + identifier [+ identifier …] Each identifier is separated by “ + ” (space, plus, space)

Examples:

BS ISO 20400 + BS ISO 44001+BS ISO 44002
BS ISO 9001+BS ISO 14001

Instance Method Summary collapse

Methods inherited from Identifier

#base_identifier, #eql?, #exclude, #hash, #initialize, #mr_number, #mr_number_with_part, #mr_part, #mr_publisher, #mr_type, #mr_year, #new_edition_of?, polymorphic_name, #render, #resolve_urn_generator, #root, #to_mr_string, #to_supplement_s, #to_urn, #urn_supplement_type, #urn_type_code

Constructor Details

This class inherits a constructor from Pubid::Identifier

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/pubid/bsi/identifiers/set.rb', line 37

def <=>(other)
  return nil unless other.is_a?(Set)

  # Compare first identifier
  identifiers.first <=> other.identifiers.first
end

#to_s(lang: :en, lang_single: false) ⇒ Object 



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# File 'lib/pubid/bsi/identifiers/set.rb', line 19

def to_s(lang: :en, lang_single: false)
  return "" if identifiers.nil? || identifiers.empty?

  parts = []

  identifiers.each_with_index do |id, i|
    # Render each identifier
    parts << id.to_s

    # Add separator (always " + " between identifiers)
    if i < identifiers.length - 1
      parts << " + "
    end
  end

  parts.join
end