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Contents
module Regexp::Expression
module Backreference
class Base < Regexp::Expression::Base
attr_accessor :referenced_expression
end
class Number < Backreference::Base
attr_reader :number
alias reference number
def initialize(token, options = {})
@number = token.text[token.token.equal?(:number) ? 1..-1 : 3..-2].to_i
super
end
end
class Name < Backreference::Base
attr_reader :name
alias reference name
def initialize(token, options = {})
@name = token.text[3..-2]
super
end
end
class NumberRelative < Backreference::Number
attr_accessor :effective_number
alias reference effective_number
end
class NumberCall < Backreference::Number; end
class NameCall < Backreference::Name; end
class NumberCallRelative < Backreference::NumberRelative; end
class NumberRecursionLevel < Backreference::Number
attr_reader :recursion_level
def initialize(token, options = {})
super
@number, @recursion_level = token.text[3..-2].split(/(?=[+-])/).map(&:to_i)
end
end
class NameRecursionLevel < Backreference::Name
attr_reader :recursion_level
def initialize(token, options = {})
super
@name, recursion_level = token.text[3..-2].split(/(?=[+-])/)
@recursion_level = recursion_level.to_i
end
end
end
end
Version data entries
36 entries across 29 versions & 6 rubygems