Class: Metacrunch::Marcxml::Document::Datafield

Inherits:
Object
  • Object
show all
Defined in:
lib/metacrunch/marcxml/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.



9
10
11
12
13
14
 
# 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

Instance Attribute Details

#ind1 ⇒ Object

Returns the value of attribute ind1.



7
8
9
 
# File 'lib/metacrunch/marcxml/document/datafield.rb', line 7

def ind1
  @ind1
end

#ind2 ⇒ Object

Returns the value of attribute ind2.



7
8
9
 
# File 'lib/metacrunch/marcxml/document/datafield.rb', line 7

def ind2
  @ind2
end

#tag ⇒ Object

Returns the value of attribute tag.



6
7
8
 
# File 'lib/metacrunch/marcxml/document/datafield.rb', line 6

def tag
  @tag
end

Instance Method Details

#add_subfield(subfield) ⇒ Object

Adds a new sub field.

Parameters:



42
43
44
45
 
# File 'lib/metacrunch/marcxml/document/datafield.rb', line 42

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

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

Returns the sub fields matching the given code.

Parameters:

  • code (String, nil, Array<String>) (defaults to: nil) —

    of the sub field

Returns:



23
24
25
26
27
28
29
30
31
32
33
34
35
 
# 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