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module ActionController
module Layouts
def render_to_string(options)
if !options.key?(:text) || options.key?(:layout)
options[:_layout] = options.key?(:layout) ? _layout_for_option(options[:layout]) : _default_layout
end
super
end
private
def _layout_for_option(name)
case name
when String then _layout_for_name(name)
when true then _default_layout(true)
when false then nil
end
end
def _layout_for_name(name)
view_paths.find_by_parts(name, formats, "layouts")
end
def _default_layout(require_layout = false)
begin
_layout_for_name(controller_path)
rescue ActionView::MissingTemplate
begin
_layout_for_name("application")
rescue ActionView::MissingTemplate => e
raise e if require_layout
end
end
end
end
end
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