Sha256: c979e5108b97d5fda3635aaebff350da35351433062a4c5a63dbf6cbd369d872
Contents?: true
Size: 1.12 KB
Versions: 16
Compression:
Stored size: 1.12 KB
Contents
module ROM
# Internal support module for class-level settings
#
# @private
module ClassMacros
# Specify what macros a class will use
#
# @example
# class MyClass
# extend ROM::ClassMacros
#
# defines :one, :two
#
# one 1
# two 2
# end
#
# class OtherClass < MyClass
# two 'two'
# end
#
# MyClass.one # => 1
# MyClass.two # => 2
#
# OtherClass.one # => 1
# OtherClass.two # => 'two'
#
# @api private
def defines(*args)
mod = Module.new
args.each do |name|
mod.module_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{name}(value = Undefined)
if value == Undefined
defined?(@#{name}) && @#{name}
else
@#{name} = value
end
end
RUBY
end
delegates = args.map { |name| "klass.#{name}(#{name})" }.join("\n")
mod.module_eval <<-RUBY, __FILE__, __LINE__ + 1
def inherited(klass)
super
#{delegates}
end
RUBY
extend(mod)
end
end
end
Version data entries
16 entries across 16 versions & 2 rubygems