Sha256: da010d0c28de5bbfe108b5a60edf10009fe8c2ba743c302da294773346b9d4cd
Contents?: true
Size: 1.74 KB
Versions: 10
Compression:
Stored size: 1.74 KB
Contents
module Mutant
class Reporter
class CLI
# Mixin to generate registry semantics
class Registry < Module
include Concord.new(:registry)
# Return new registry
#
# @return [Registry]
#
# @api private
#
def self.new
super({})
end
# Register handler for class
#
# @param [Class] klass
#
# @return [self]
#
# @api private
#
def handle(subject, handler)
raise "Duplicate registration of #{subject}" if registry.key?(subject)
registry[subject] = handler
self
end
# Lookup handler
#
# @param [Class] subject
#
# @return [Object]
# if found
#
# @raise [RuntimeError]
# otherwise
#
# @api private
#
def lookup(subject)
current = subject
until current == Object
if registry.key?(current)
return registry.fetch(current)
end
current = current.superclass
end
raise "No printer for: #{subject}"
end
# Hook called when module is included
#
# @param [Class,Module] host
#
# @return [undefined]
#
def included(host)
object = self
host.class_eval do
define_singleton_method(:lookup, &object.method(:lookup))
private_class_method :lookup
define_singleton_method(:handle) do |subject|
object.handle(subject, self)
end
private_class_method :handle
end
end
end # Registry
end # CLI
end # Reporter
end # Mutant
Version data entries
10 entries across 10 versions & 1 rubygems