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Contents
# frozen_string_literal: true
module EacRubyUtils
class CommonConstructor
class InstanceInitialize
attr_reader :common_constructor, :args, :object, :block
def initialize(common_constructor, args, object, block)
@common_constructor = common_constructor
@args = args
@object = object
@block = block
end
def perform
validate_args_count
object.run_callbacks :initialize do
object_attributes_set
object_block_set
object_after_callback
end
end
private
def arg_value(arg_name)
arg_index = common_constructor.args.index(arg_name)
if arg_index < args.count
args[arg_index]
else
common_constructor.default_values[arg_index - common_constructor.args_count_min]
end
end
def object_after_callback
return unless common_constructor.after_set_block
object.instance_eval(&common_constructor.after_set_block)
end
def object_attribute_set(attr_name, attr_value)
object.send("#{attr_name}=", attr_value)
end
def object_attributes_set
common_constructor.args.each do |arg_name|
object_attribute_set(arg_name, arg_value(arg_name))
end
end
def object_block_set
block_arg = common_constructor.block_arg
object_attribute_set(block_arg, block) if block_arg
end
def validate_args_count
return if common_constructor.args_count.include?(args.count)
raise ArgumentError, "#{object.class}.initialize: wrong number of arguments" \
" (given #{args.count}, expected #{common_constructor.args_count})"
end
end
end
end
Version data entries
112 entries across 112 versions & 2 rubygems