class MARC::Subfield
A class that represents an individual subfield within a DataField
. Accessor attributes include: code (letter subfield code) and value (the content of the subfield). Both can be empty string, but should not be set to nil.
Attributes
code[RW]
value[RW]
Public Class Methods
new(code = "", value = "")
click to toggle source
# File lib/marc/subfield.rb, line 10 def initialize(code = "", value = "") # can't allow code of value to be nil # or else it'll screw us up later on @code = code.nil? ? "" : code @value = value.nil? ? "" : value end
Public Instance Methods
==(other)
click to toggle source
# File lib/marc/subfield.rb, line 17 def ==(other) if !other.is_a?(Subfield) return false end if @code != other.code return false elsif @value != other.value return false end true end
to_s()
click to toggle source
# File lib/marc/subfield.rb, line 29 def to_s "$#{code} #{value} " end