module TinySweeper::ClassMethods
Public Instance Methods
sweep(field_names, *broom_names, &sweeper)
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Calls superclass method
# File lib/tiny_sweeper.rb, line 6 def sweep(field_names, *broom_names, &sweeper) Array(field_names).each do |field_name| stop_if_we_have_seen_this_before!(field_name) warn_about_missing_brooms(broom_names) overrides_module.module_eval do define_method("#{field_name}=") do |value| if value cleaned_up = broom_names.inject(value) { |accum, broom_name| ::TinySweeper::Brooms.fetch(broom_name).call(accum) } cleaned_up = sweeper.call(cleaned_up) if sweeper super(cleaned_up) else super(value) end end end end end
sweep_up!(instance)
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# File lib/tiny_sweeper.rb, line 27 def sweep_up!(instance) @swept_fields.each do |field| instance.send("#{field}=", instance.send(field)) end end
Private Instance Methods
overrides_module()
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# File lib/tiny_sweeper.rb, line 35 def overrides_module @overrides_module ||= begin mod = Module.new prepend mod mod end end
stop_if_we_have_seen_this_before!(field_name)
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# File lib/tiny_sweeper.rb, line 43 def stop_if_we_have_seen_this_before!(field_name) @swept_fields ||= [] if @swept_fields.include?(field_name) raise "Don't sweep #{field_name} twice!" end @swept_fields << field_name end
warn_about_missing_brooms(brooms)
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# File lib/tiny_sweeper.rb, line 53 def warn_about_missing_brooms(brooms) brooms.each do |broom| unless ::TinySweeper::Brooms.has_broom?(broom) warn "TinySweeper doesn't have this broom: #{broom}" end end end