module Roda::RodaPlugins::Render::InstanceMethods

def view(template, opts = (content = _optimized_view_content(template) unless defined?(yield); OPTS), &block)
  if content
    # First, check if the optimized layout method has already been created,
    # and use it if so.  This way avoids the extra conditional and local variable
    # assignments in the next section.
    if layout_method = _layout_method
      return send(layout_method, OPTS){content}
    end
    # If we have an optimized template method but no optimized layout method, create the
    # optimized layout method if possible and use it.  If you can't create the optimized
    # layout method, fall through to the slower approach.
    if layout_template = self.class.opts[:render][:optimize_layout]
      retrieve_template(:template=>layout_template, :cache_key=>nil, :template_method_cache_key => :_roda_layout)
      if layout_method = _layout_method
        return send(layout_method, OPTS){content}
      end
    end
  else
    opts = parse_template_opts(template, opts)
    content = opts[:content] || render_template(opts, &block)
  end
  if layout_opts  = view_layout_opts(opts)
    content = render_template(layout_opts){content}
  end
  content
end