Module: MARCExtensions::FieldMapExtensions

Included in:

MARC::FieldMap

Defined in:

lib/marc_extensions/field_map.rb

Constant Summary

VALID_TAGS =

('000'..'999').freeze

Instance Method Summary

• #each_sorted_by_tag(tags = nil, &block) ⇒ Object

  Gets the specified fields in order by tag.

Instance Method Details

#each_sorted_by_tag(tags) {|field| ... } ⇒ Object #each_sorted_by_tag(tags) ⇒ Enumerator::Lazy<MARC::ControlField, MARC::DataField> #each_sorted_by_tag {|field| ... } ⇒ Object #each_sorted_by_tag ⇒ Enumerator::Lazy<MARC::ControlField, MARC::DataField>

Gets the specified fields in order by tag.

Overloads:

• #each_sorted_by_tag(tags) {|field| ... } ⇒ Object

  Yields each specified field.

  Parameters:

  • tags (String, Enumerable<String>) —

    A tag, range of tags, array of tags, or similar

  Yield Parameters:

  • field (MARC::ControlField, MARC::DataField) —

    Each field.

• #each_sorted_by_tag(tags) ⇒ Enumerator::Lazy<MARC::ControlField, MARC::DataField>

  An enumerator of the specified variable fields, sorted by tag.

  Parameters:

  • tags (String, Enumerable<String>) —

    A tag, range of tags, array of tags, or similar

  Returns:

  • (Enumerator::Lazy<MARC::ControlField, MARC::DataField>) —

    the fields

• #each_sorted_by_tag {|field| ... } ⇒ Object

  Yields all fields, sorted by tag.

  Yield Parameters:

  • field (MARC::ControlField, MARC::DataField) —

    Each field.

• #each_sorted_by_tag ⇒ Enumerator::Lazy<MARC::ControlField, MARC::DataField>

  An enumerator of all fields, sorted by tag.

  Returns:

  • (Enumerator::Lazy<MARC::ControlField, MARC::DataField>) —

    the fields

# File 'lib/marc_extensions/field_map.rb', line 23

def each_sorted_by_tag(tags = nil, &block)
  reindex unless @clean

  indices_for(tags).map { |i| self[i] }.each(&block)
end