Class: Pubid::Bsi::Identifiers::BundledIdentifier

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

Overview

BundledIdentifier represents multiple standards published together Examples:

BS SP 10 & 11:1949
BS 2SP 68 to BS 2SP 71:1973
BS SP 13; 14; 15 and 16:1949
BS 4048:Parts 1 and 2:1966

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/bundled_identifier.rb', line 105

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

  # 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/bundled_identifier.rb', line 20

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

  # Special case: Parts/Sections bundles like "BS 4048:Parts 1 and 2:1966"
  if bundle_type
    base_id = identifiers.first
    parts_list = identifiers[1..].map do |id|
      # Extract just the part number
      part_val = id.class.attributes.key?(:part) ? id.part : nil
      if part_val
        pv = part_val.is_a?(Components::Code) ? part_val.value : part_val
        pv.to_s
      else
        id.to_s
      end
    end.join(" and ")

    result = "#{base_id.to_s.sub(/:.*$/,
                                 '')}:#{bundle_type} #{parts_list}"
    result += ":#{common_year.year}" if common_year
    return result
  end

  # Regular bundle: render based on explicit markers
  parts = []

  identifiers.each_with_index do |id, i|
    # Check metadata flags for how item was parsed
    explicit_prefix = id.explicit_prefix
    explicit_publisher = id.explicit_publisher

    if i.zero?
      # First item always uses full form
      parts << id.to_s
    elsif explicit_publisher
      # Full form: has explicit publisher (e.g., "BS SP 50")
      parts << id.to_s
    elsif explicit_prefix
      # Prefix-only form: has explicit prefix but no publisher (e.g., "SP 138")
      abbrev_str = ""
      prefix = id.class.attributes.key?(:prefix) ? id.prefix : nil
      if prefix && !prefix.to_s.empty?
        abbrev_str = prefix.to_s
      end
      if id.number
        number_val = id.number.is_a?(Components::Code) ? id.number.value : id.number
        abbrev_str += " " if !abbrev_str.empty?
        abbrev_str += number_val.to_s
      end
      if id.part
        part_val = id.part.is_a?(Components::Code) ? id.part.value : id.part
        abbrev_str += "-#{part_val}"
      end
      parts << abbrev_str
    else
      # Minimal form: no explicit markers (e.g., "125")
      abbrev_str = ""
      if id.number
        number_val = id.number.is_a?(Components::Code) ? id.number.value : id.number
        abbrev_str = number_val.to_s
      end
      if id.part
        part_val = id.part.is_a?(Components::Code) ? id.part.value : id.part
        abbrev_str += "-#{part_val}"
      end
      parts << abbrev_str
    end

    # Add separator - preserve original spacing
    if i < identifiers.length - 1
      sep = separators[i] || " and "
      parts << sep
    end
  end

  result = parts.join

  # Add common year if present and not already in last identifier
  if common_year && !result.match?(/:#{common_year.year}$/)
    result += ":#{common_year.year}"
  end

  result
end