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module Rails
module Initializable
# A collection of initializers
class Collection < ActiveSupport::OrderedHash
# def initialize_copy(other)
# super
# each do |key, value|
# self[key] = value.dup
# end
# end
def run
each do |key, initializer|
initializer.run
end
self
end
end
class Initializer
attr_reader :name, :options, :block
def initialize(name, options = {}, &block)
@name, @options, @block = name, options, block
end
def run
return if @already_ran
@block.call
@already_ran = true
end
end
def initializer(name, options = {}, &block)
initializers[name] = Initializer.new(name, options, &block)
end
def initializers
@initializers ||= Collection.new
end
def initializers=(initializers)
@initializers = initializers
end
end
extend Initializable
# Check for valid Ruby version (1.8.2 or 1.8.4 or higher). This is done in an
# external file, so we can use it from the `rails` program as well without duplication.
initializer :check_ruby_version do
require 'rails/ruby_version_check'
end
# For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the
# multibyte safe operations. Plugin authors supporting other encodings
# should override this behaviour and set the relevant +default_charset+
# on ActionController::Base.
#
# For Ruby 1.9, UTF-8 is the default internal and external encoding.
initializer :initialize_encoding do
if RUBY_VERSION < '1.9'
$KCODE='u'
else
Encoding.default_external = Encoding::UTF_8
end
end
end
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