lib/drexed/datetime.rb in drexed-datetime-0.0.5 vs lib/drexed/datetime.rb in drexed-datetime-0.0.6

@@ -1,8 +1,29 @@
 require "drexed/datetime/version"
 
 module Drexed
   module Datetime
-    class Engine < ::Rails::Engine
+    ## Time.datetime_to("yyyy-mm-dd") => "2012-03-04"
+    def datetime_to(tach)
+      delineators = tach.scan /\W+/
+      formatters  = tach.scan /[a-z]+/i
+      units       = { "yy"   => "y",
+                      "yyyy" => "Y",
+                      "m"    => "-m",
+                      "mm"   => "m",
+                      "M"    => "b",
+                      "MM"   => "B",
+                      "d"    => "-d",
+                      "dd"   => "d",
+                      "D"    => "a",
+                      "DD"   => "A",
+                      "h"    => "-I",
+                      "hh"   => "I",
+                      "H"    => "-H",
+                      "HH"   => "H",
+                      "mi"   => "M",
+                      "p"    => "P",
+                      "P"    => "p" }
+      strftime(formatters.map{ |f| "%#{units[f]}#{delineators.shift || ""}" }.join)
     end
   end
 end