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# frozen_string_literal: true
require "forwardable"
module Net
class IMAP
class Config
# >>>
# *NOTE:* This module is an internal implementation detail, with no
# guarantee of backward compatibility.
#
# +attr_accessor+ values are stored in a struct rather than ivars, making
# it simpler to ensure that all config objects share a single object
# shape. This also simplifies iteration over all defined attributes.
module AttrAccessors
module Macros # :nodoc: internal API
def attr_accessor(name) AttrAccessors.attr_accessor(name) end
end
private_constant :Macros
def self.included(mod)
mod.extend Macros
end
private_class_method :included
extend Forwardable
def self.attr_accessor(name) # :nodoc: internal API
name = name.to_sym
def_delegators :data, name, :"#{name}="
end
def self.attributes
instance_methods.grep(/=\z/).map { _1.to_s.delete_suffix("=").to_sym }
end
private_class_method :attributes
def self.struct # :nodoc: internal API
unless defined?(self::Struct)
const_set :Struct, Struct.new(*attributes)
end
self::Struct
end
def initialize # :notnew:
super()
@data = AttrAccessors.struct.new
end
# Freezes the internal attributes struct, in addition to +self+.
def freeze
data.freeze
super
end
protected
attr_reader :data # :nodoc: internal API
private
def initialize_clone(other)
super
@data = other.data.clone
end
def initialize_dup(other)
super
@data = other.data.dup
end
end
end
end
end
Version data entries
17 entries across 16 versions & 4 rubygems