class Metacrunch::Marcxml::Document::Datafield

Attributes

ind1[RW]
ind2[RW]
tag[RW]

Public Class Methods

new(tag = nil, ind1:nil, ind2:nil) click to toggle source
# File lib/metacrunch/marcxml/document/datafield.rb, line 9
def initialize(tag = nil, ind1:nil, ind2:nil)
  @tag  = tag
  @ind1 = ind1
  @ind2 = ind2
  @subfields_map = {}
end

Public Instance Methods

add_subfield(subfield) click to toggle source

Adds a new sub field.

@param [Metacrunch::Marcxml::Document::Subfield] subfield

# File lib/metacrunch/marcxml/document/datafield.rb, line 42
def add_subfield(subfield)
  (@subfields_map[subfield.code] ||= []) << subfield
  subfield
end
subfields(code = nil) click to toggle source

Returns the sub fields matching the given code.

@param [String, nil, Array<String>] code of the sub field @return [Metacrunch::Marcxml::Document::SubfieldSet] sub field with the given code. The set

is empty if the sub field doesn't exists.
# File lib/metacrunch/marcxml/document/datafield.rb, line 23
def subfields(code = nil)
  matched_subfields = if code.nil?
    @subfields_map.values.flatten(1)
  else
    if (codes = code).is_a?(Array)
      codes.map{ |_code| @subfields_map[_code] }.compact.flatten(1)
    else
      @subfields_map[code]
    end
  end

  SubfieldSet.new(matched_subfields)
end