1 files changed, 33 insertions, 0 deletions
diff --git a/lib/roo/spreadsheet.rb b/lib/roo/spreadsheet.rb
new file mode 100644
index 0000000..1eef58d
--- /dev/null
+++ b/lib/roo/spreadsheet.rb
@@ -0,0 +1,33 @@
+require 'uri'
+
+module Roo
+  class Spreadsheet
+    class << self
+      def open(path, options = {})
+        path      = path.respond_to?(:path) ? path.path : path
+        extension = extension_for(path, options)
+
+        begin
+          Roo::CLASS_FOR_EXTENSION.fetch(extension).new(path, options)
+        rescue KeyError
+          raise ArgumentError,
+                "Can't detect the type of #{path} - please use the :extension option to declare its type."
+        end
+      end
+
+      def extension_for(path, options)
+        case (extension = options.delete(:extension))
+        when ::Symbol
+          options[:file_warning] = :ignore
+          extension
+        when ::String
+          options[:file_warning] = :ignore
+          extension.tr('.', '').downcase.to_sym
+        else
+          res = ::File.extname((path =~ /\A#{::URI.regexp}\z/) ? ::URI.parse(::URI.encode(path)).path : path)
+          res.tr('.', '').downcase.to_sym
+        end
+      end
+    end
+  end
+end