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liquid_droppable.rb 1.5KB

    # Include this mix-in to make a class droppable to Liquid, and adjust # its behavior in Liquid by implementing its dedicated Drop class # named with a "Drop" suffix. module LiquidDroppable extend ActiveSupport::Concern class Drop < Liquid::Drop def initialize(object) @object = object end def to_s @object.to_s end def each (public_instance_methods - Drop.public_instance_methods).each { |name| yield [name, __send__(name)] } end end included do const_set :Drop, if Kernel.const_defined?(drop_name = "#{name}Drop") Kernel.const_get(drop_name) else Kernel.const_set(drop_name, Class.new(Drop)) end end def to_liquid self.class::Drop.new(self) end class MatchDataDrop < Liquid::Drop def initialize(object) @object = object end %w[pre_match post_match names size].each { |attr| define_method(attr) { @object.__send__(attr) } } def to_s @object[0] end def before_method(method) @object[method] rescue IndexError nil end end class ::MatchData def to_liquid MatchDataDrop.new(self) end end require 'uri' class URIDrop < Drop URI::Generic::COMPONENT.each { |attr| define_method(attr) { @object.__send__(attr) } } end class ::URI::Generic def to_liquid URIDrop.new(self) end end end