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Contents
module Surrounded module Context class NameCollisionError <::StandardError; end module NameCollisionDetector attr_reader :handler def self.extended(base) base.send :include, NameCollisionHandler unless defined?(base::NameCollisionError) base.const_set(:NameCollinionError, Class.new(::Surrounded::Context::NameCollisionError)) end end def on_name_collision(method_name) @handler = method_name end module NameCollisionHandler private def detect_collisions(role_object_map) if handler handle_collisions(collision_warnings(role_object_map)) end end def collision_warnings(role_object_map) role_object_map.select{|role, object| ![object.methods & role_object_map.keys].flatten.empty? }.map{|role, object| role_collision_message(role,(object.methods & role_object_map.keys).sort) }.join("\n") end def handle_collisions(collisions) handler_args = [collisions] if handler == :raise handler_args.unshift self.class::NameCollisionError end handler_method.call(*handler_args) end def role_collision_message(role, colliding_method_names) "#{role} has name collisions with #{colliding_method_names}" end def nothing(*); end def handler self.class.handler end def handler_method if handler.respond_to?(:call) handler elsif respond_to?(handler, true) method(handler) elsif self.class.respond_to?(handler, true) self.class.method(handler) else method(:nothing) end end end end end end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
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surrounded-0.9.10 | lib/surrounded/context/name_collision_detector.rb |