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class Trocla::Formats
class << self
def [](format)
formats[format.downcase]
end
def all
Dir[File.expand_path(File.join(File.dirname(__FILE__),'formats','*.rb'))].collect{|f| File.basename(f,'.rb').downcase }
end
def available?(format)
all.include?(format.downcase)
end
private
def formats
@@formats ||= Hash.new do |hash, format|
format = format.downcase
if File.exists?(path(format))
require "trocla/formats/#{format}"
hash[format] = (eval "Trocla::Formats::#{format.capitalize}").new
else
raise "Format #{format} is not supported!"
end
end
end
def path(format)
File.expand_path(File.join(File.dirname(__FILE__),'formats',"#{format}.rb"))
end
end
end
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