+module ActionView
+ module TemplateHandlers
+ class ERB < TemplateHandler
+ include Compilable
+
+ ##
+ # :singleton-method:
+ # Specify trim mode for the ERB compiler. Defaults to '-'.
+ # See ERb documentation for suitable values.
+ cattr_accessor :erb_trim_mode
+ self.erb_trim_mode = '-'
+
+ def compile(template)
+ src = ::ERB.new("<% __in_erb_template=true %>#{template.source}", nil, erb_trim_mode, '@output_buffer').src
+
+ # Ruby 1.9 prepends an encoding to the source. However this is
+ # useless because you can only set an encoding on the first line
+ RUBY_VERSION >= '1.9' ? src.sub(/\A#coding:.*\n/, '') : src
+ end
+ end
+ end
+end