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rails--rails/actionpack/lib/action_view/renderer/abstract_renderer.rb
2010-10-16 13:39:11 -02:00

36 lines
975 B
Ruby

module ActionView
class AbstractRenderer #:nodoc:
attr_reader :lookup_context
delegate :find_template, :template_exists?, :with_fallbacks, :update_details,
:with_layout_format, :formats, :freeze_formats, :to => :lookup_context
def initialize(view)
@view = view
@lookup_context = view.lookup_context
end
def render
raise NotImplementedError
end
# Checks if the given path contains a format and if so, change
# the lookup context to take this new format into account.
def wrap_formats(value)
return yield unless value.is_a?(String)
@@formats_regexp ||= /\.(#{Mime::SET.symbols.join('|')})$/
if value.sub!(@@formats_regexp, "")
update_details(:formats => [$1.to_sym]){ yield }
else
yield
end
end
protected
def instrument(name, options={})
ActiveSupport::Notifications.instrument("render_#{name}.action_view", options){ yield }
end
end
end