actionpack/lib/action_view/template/handler.rb


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require "active_support/core_ext/class/inheritable_attributes"
require "action_dispatch/http/mime_type"

# Legacy TemplateHandler stub
module ActionView
  module TemplateHandlers #:nodoc:
    module Compilable
      def self.included(base)
        base.extend(ClassMethods)
      end

      module ClassMethods
        def call(template)
          new.compile(template)
        end
      end

      def compile(template)
         raise "Need to implement #{self.class.name}#compile(template)"
       end
    end
  end

  class TemplateHandler
    extlib_inheritable_accessor :default_format
    self.default_format = Mime::HTML

    def self.call(template)
      raise "Need to implement #{self.class.name}#call(template)"
    end

    def render(template, local_assigns)
      raise "Need to implement #{self.class.name}#render(template, local_assigns)"
    end
  end
end