add filters

lib/autoblog.rb

@@ -17,6 +17,7 @@ require 'redcloth'
 require 'autoblog/site'
 require 'autoblog/post'
 require 'autoblog/page'
+require 'autoblog/filters'
 
 module AutoBlog
   VERSION = '1.0.0'

lib/autoblog/filters.rb

@@ -0,0 +1,9 @@
+module AutoBlog
+  
+  module Filters
+    def date_to_string(date)
+      date.strftime("%d %b %Y")
+    end
+  end
+  
+end

lib/autoblog/page.rb

@@ -42,12 +42,12 @@ module AutoBlog
     
     def add_layout(layouts, posts)
       payload = {"page" => self.data, "site" => {"posts" => posts}}
-      self.content = Liquid::Template.parse(self.content).render(payload)
+      self.content = Liquid::Template.parse(self.content).render(payload, [AutoBlog::Filters])
       
       layout = layouts[self.data["layout"]] || self.content
       payload = {"content" => self.content, "page" => self.data}
       
-      self.content = Liquid::Template.parse(layout).render(payload)
+      self.content = Liquid::Template.parse(layout).render(payload, [AutoBlog::Filters])
     end
     
     def write(dest)