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|
module Regin
class Atom
attr_reader :value, :ignorecase
def initialize(value, options = {})
@value = value
@ignorecase = options[:ignorecase]
end
def option_names
%w( ignorecase )
end
# Returns true if expression could be treated as a literal string.
def literal?
false
end
def casefold?
ignorecase ? true : false
end
def dup(options = {})
original_options = option_names.inject({}) do |h, m|
h[m.to_sym] = send(m)
h
end
self.class.new(value, original_options.merge(options))
end
def to_s(parent = false)
"#{value}"
end
def inspect #:nodoc:
"#<#{self.class.to_s.sub('Regin::', '')} #{to_s.inspect}>"
end
def ==(other) #:nodoc:
case other
when String
other == to_s
else
eql?(other)
end
end
def eql?(other) #:nodoc:
other.instance_of?(self.class) &&
self.value.eql?(other.value) &&
(!!self.ignorecase).eql?(!!other.ignorecase)
end
def freeze #:nodoc:
value.freeze
super
end
end
end
|
