Class: Metacrunch::Mab2::Document::Datafield

Inherits:
Object
  • Object
show all
Defined in:
lib/metacrunch/mab2/document/datafield.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tag = nil, ind1: nil, ind2: nil) ⇒ Datafield

Returns a new instance of Datafield.



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 9

def initialize(tag = nil, ind1:nil, ind2:nil)
  @tag  = tag
  @ind1 = ind1
  @ind2 = ind2
  @subfields = {}
end

Instance Attribute Details

#ind1 ⇒ Object

Returns the value of attribute ind1.



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 7

def ind1
  @ind1
end

#ind2 ⇒ Object

Returns the value of attribute ind2.



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 7

def ind2
  @ind2
end

#tag ⇒ Object

Returns the value of attribute tag.



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 6

def tag
  @tag
end

Instance Method Details

#add_subfield(subfield) ⇒ Object

Adds a new sub field.

Parameters:



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 50

def add_subfield(subfield)
  (@subfields[subfield.code] ||= []) << subfield
end

#subfields(code = nil) ⇒ Metacrunch::Mab2::Document::SubfieldSet

Returns the sub field matching the given code.

Parameters:

  • code (String) (defaults to: nil) —

    of the sub field

Returns:



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 31

def subfields(code = nil)
  result =  Metacrunch::Mab2::Document::SubfieldSet.new

  if code.nil?
    result.concat(@subfields.values.flatten(1))
  elsif _subfields = @subfields[code]
    result.concat(_subfields)
  elsif (codes = code).is_a?(Array)
    result.concat(codes.map { |_code| @subfields[_code] }.compact.flatten(1))
  end

  result
end

#to_xml(builder) ⇒ Object

Serialization



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 58

def to_xml(builder)
  builder.datafield(tag: tag, ind1: ind1, ind2: ind2) do
    @subfields.values.each do |_subfield_set|
      _subfield_set.to_xml(builder)
    end
  end
end

#value ⇒ Object 



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# File 'lib/metacrunch/mab2/document/datafield.rb', line 16

def value
  subfields.value
end