1
0
Fork 0
mirror of https://github.com/fog/fog.git synced 2022-11-09 13:51:43 -05:00
fog--fog/lib/fog/collection.rb

77 lines
1.5 KiB
Ruby

module Fog
class Collection < Array
def self.attribute(name, other_names = [])
class_eval <<-EOS, __FILE__, __LINE__
attr_accessor :#{name}
EOS
attributes << name
for other_name in [*other_names]
aliases[other_name] = name
end
end
def self.aliases
@aliases ||= {}
end
def self.attributes
@attributes ||= []
end
def initialize(attributes = {})
merge_attributes(attributes)
end
def inspect
data = "#<#{self.class.name}"
for attribute in self.class.attributes
data << " #{attribute}=#{send(attribute).inspect}"
end
data << " ["
for key, value in self
data << "#{value.inspect},"
end
data.chomp!
data << "]>"
end
def attributes
attributes = {}
for attribute in self.class.attributes
attributes[attribute] = send(:"#{attribute}")
end
attributes
end
def merge_attributes(new_attributes = {})
for key, value in new_attributes
if aliased_key = self.class.aliases[key]
send(:"#{aliased_key}=", value)
else
send(:"#{key}=", value)
end
end
self
end
private
def connection=(new_connection)
@connection = new_connection
end
def connection
@connection
end
def remap_attributes(attributes, mapping)
for key, value in mapping
if attributes.key?(key)
attributes[value] = attributes.delete(key)
end
end
end
end
end