Restructured Model loading to enable easier implementation of other parsers

lib/model/parser.rb

@@ -0,0 +1,30 @@
+class IMICFPS
+  class Model
+    class Parser
+      @@parsers = []
+
+      def self.handles
+        raise NotImplementedError, "Model::Parser#handles must return an array of file extensions that this parser supports"
+      end
+
+      def self.inherited(parser)
+        @@parsers << parser
+      end
+
+      def self.find(file_type)
+        found_parser = @@parsers.find do |parser|
+          parser.handles.include?(file_type)
+        end
+
+        return found_parser
+      end
+
+      def initialize(model)
+        @model = model
+      end
+
+      def parse
+      end
+    end
+  end
+end