1 files changed, 40 insertions, 0 deletions
diff --git a/lib/trocla/formats.rb b/lib/trocla/formats.rb
new file mode 100644
index 0000000..0103c4e
--- /dev/null
+++ b/lib/trocla/formats.rb
@@ -0,0 +1,40 @@
+class Trocla::Formats
+
+  class Base
+    attr_reader :trocla
+    def initialize(trocla)
+      @trocla = trocla
+    end
+  end
+
+  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}")
+        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