Add a simple "text" format to the RichText module

lib/rich_text.rb

@@ -3,6 +3,7 @@ module RichText
     case format
     when "html"; HTML.new(text || "")
     when "markdown"; Markdown.new(text || "")
+    when "text"; Text.new(text || "")
     else; nil
     end
   end
@@ -27,6 +28,16 @@ module RichText
 
       return [link_proportion - 0.2, 0.0].max * 200 + link_count * 20
     end
+
+  protected
+
+    def linkify(text)
+      if text.html_safe?
+        Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
+      else
+        Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow"))
+      end
+    end
   end
 
   class HTML < Base
@@ -46,14 +57,6 @@ module RichText
     def sanitize(text)
       Sanitize.clean(text, Sanitize::Config::OSM).html_safe
     end
-
-    def linkify(text)
-      if text.html_safe?
-        Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
-      else
-        Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow"))
-      end
-    end
   end
 
   class Markdown < Base
@@ -76,4 +79,16 @@ module RichText
       })
     end
   end
+
+  class Text < Base
+    include ActionView::Helpers::TextHelper
+
+    def to_html
+      linkify(simple_format(ERB::Util.html_escape(self)))
+    end
+
+    def to_text
+      self
+    end
+  end
 end