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Contents
# frozen_string_literal: true
module Katalyst
module Tables
module Collection
module Type
module Helpers
# Adds support for ranges
module Range
extend ActiveSupport::Concern
class_methods do
# @param single_value [Regex] pattern for accepting a single value
def define_range_patterns(single_value)
const_set(:SINGLE_VALUE, /\A(?<value>#{single_value})\z/)
const_set(:LOWER_BOUND, /\A(?<lower>#{single_value})\.\.\z/)
const_set(:UPPER_BOUND, /\A\.\.(?<upper>#{single_value})\z/)
const_set(:BOUNDED, /\A(?<lower>#{single_value})\.\.(?<upper>#{single_value})\z/)
end
end
def serialize(value)
if value.is_a?(::Range)
if value.begin.nil?
"..#{serialize(value.end)}"
elsif value.end.nil?
"#{serialize(value.begin)}.."
else
"#{serialize(value.begin)}..#{serialize(value.end)}"
end
else
super
end
end
def cast(value)
case value
when nil
nil
when ::Range
value
when self.class.const_get(:SINGLE_VALUE)
super($~[:value])
when self.class.const_get(:LOWER_BOUND)
((super($~[:lower]))..)
when self.class.const_get(:UPPER_BOUND)
(..(super($~[:upper])))
when self.class.const_get(:BOUNDED)
((super($~[:lower]))..(super($~[:upper])))
else
super
end
end
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems