Sha256: f0c0e5ba3d61e78cc9fefe39cff9fe300bfd86b035bed96f17dbd0736b910236
Contents?: true
Size: 1.63 KB
Versions: 7
Compression:
Stored size: 1.63 KB
Contents
class Lxc
module Helpers
module Options
class << self
def included(klass)
klass.class_eval do
class << self
attr_reader :options
def option(name, short, type, args={})
@options ||= {}
@options[name] = args.merge(:short => short, :type => type)
instance_eval do
attr_accessor name.to_sym
end
end
end
end
end
end
private
def configure!(args)
self.class.options.each do |name, opts|
argv = args.detect{|k,v| (Array(opts[:aliases]) + Array(opts[:short]) + [name]).include?(k.to_sym)}
argv = argv.last if argv
argv ||= opts[:default]
if(argv)
check_type!(name, argv, opts[:type])
self.send("#{name}=", argv)
else
if(opts[:required])
raise ArgumentError.new "Missing required argument: #{name}"
end
end
end
if(ipaddress && gateway.nil?)
self.gateway = ipaddress.sub(%r{\d+$}, '1')
end
end
def check_type!(arg_name, val, type)
valid = false
case type
when :string
valid = val.is_a?(String)
when :boolean
valid = val.is_a?(TrueClass) || val.is_a?(FalseClass)
when :integer
valid = val.is_a?(Numeric)
end
raise ArgumentError.new "Invalid type provided for #{arg_name}. Expecting value type of: #{type.inspect} Got: #{val.class} - #{val}" unless valid
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems