vaguerent/lib/vagrant/box_collection.rb
2010-11-30 20:13:45 -08:00

54 lines
1.2 KiB
Ruby

require 'forwardable'
module Vagrant
# Represents a collection of boxes, providing helpful methods for
# finding boxes. An instance of this is returned by {Environment#boxes}.
#
# # Finding a Box
#
# To find a box, use the {#find} method with the name of the box. The name
# is an exact match search.
#
# env.boxes.find("base") # => #<Vagrant::Box>
#
class BoxCollection
include Enumerable
extend Forwardable
def_delegators :@boxes, :length, :each
# The environment this box collection belongs to
attr_reader :env
def initialize(env)
@env = env
@boxes = []
reload!
end
# Find a box in the collection by the given name. The name must
# be a string, for now.
def find(name)
@boxes.each do |box|
return box if box.name == name
end
nil
end
# Loads the list of all boxes from the source. This modifies the
# current array.
def reload!
@boxes.clear
Dir.open(env.boxes_path) do |dir|
dir.each do |d|
next if d == "." || d == ".." || !File.directory?(env.boxes_path.join(d))
@boxes << Box.new(env, d)
end
end
end
end
end