erb.rb in clutterbuck-erb-0.2.0

- old
+ new

@@ -1,6 +1,7 @@
 require 'erb'
+require 'rack'
 
 #:nodoc:
 module Clutterbuck; end
 
 # Render an ERB template and return it as a Rack-compatible response.
@@ -49,12 +50,13 @@
 		mod.extend(ClassMethods)
 	end
 
 	#:nodoc:
 	#
-	# A special (very, *very* special) class which only defines methods for the
-	# vars that are passed into it.
+	# A special (very, *very* special) class which only defines methods for
+	# the vars that are passed into it, as well as fundamental HTML escaping
+	# methods.
 	#
 	class EvalBinding < BasicObject
 		def initialize(vars)
 			unless vars.is_a?(::Hash)
 				::Kernel.raise ::ArgumentError,
@@ -74,9 +76,15 @@
 					      "Invalid key in vars list: #{k.inspect}"
 				end
 
 				instance_eval "def #{k}; @vars[#{k.inspect}]; end"
 			end
+		end
+
+		# HTML-escape the provided string.
+		#
+		def h(s)
+			::Rack::Utils.escape_html(s)
 		end
 	end
 
 	# Render an ERB template as a Rack response.
 	#