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# frozen_string_literal: true
module RelatonBib
# Document relation collection
class DocRelationCollection
extend Forwardable
def_delegators :@array, :<<, :[], :first, :last, :empty?, :any?, :size,
:each, :detect, :map, :reduce, :length, :unshift, :max_by
# @param relation [Array<RelatonBib::DocumentRelation, Hash>]
# @option relation [String] :type
# @option relation [String] :identifier
# @option relation [String, NIllClass] :url (nil)
# @option relation [Array<RelatonBib::Locality,
# RelatonBib::LocalityStack>] :locality
# @option relation [Array<RelatonBib::SourceLocality,
# RelatonBib::SourceLocalityStack>] :source_locality
# @option relation [RelatonBib::BibliographicItem, NillClass] :bibitem (nil)
def initialize(relation)
@array = relation.map { |r| r.is_a?(Hash) ? DocumentRelation.new(**r) : r }
end
#
# Returns new DocumentRelationCollection with selected relations.
#
# @example Select relations with type "obsoletes"
# relations.select { |r| r.type == "obsoletes" }
# #=> <RelatonBib::DocRelationCollection:0x00007f9a0191d5f0 @array=[...]>
#
# @return [RelatonBib::DocRelationCollection] new DocumentRelationCollection
# with selected relations
#
def select(&block)
arr = @array.select(&block)
self.class.new arr
end
# @todo We don't have replace type anymore. Suppose we should update this
# method or delete it.
#
# @return [RelatonBib::DocRelationCollection]
def replaces
DocRelationCollection.new(@array.select { |r| r.type == "replace" })
end
# @param prefix [String]
# @return [String]
def to_asciibib(prefix = "")
pref = prefix.empty? ? "relation" : "#{prefix}.relation"
out = ""
@array.each do |r|
out += size > 1 ? "#{pref}::\n" : ""
out += r.to_asciibib pref
end
out
end
end
end
Version data entries
56 entries across 56 versions & 1 rubygems