setup

# File actionpack/lib/action_view/renderer/partial_renderer.rb, line 275 def setup(context, options, block) @view = context partial = options[:partial] @options = options @locals = options[:locals] || {} @block = block @details = extract_details(options) if String === partial @object = options[:object] @path = partial @collection = collection else @object = partial if @collection = collection_from_object || collection paths = @collection_data = @collection.map { |o| partial_path(o) } @path = paths.uniq.size == 1 ? paths.first : nil else @path = partial_path end end if @path @variable, @variable_counter = retrieve_variable(@path) else paths.map! { |path| retrieve_variable(path).unshift(path) } end if String === partial && @variable.to_s !~ /^[a-z_][a-zA-Z_0-9]*$/ raise ArgumentError.new("The partial name (#{partial}) is not a valid Ruby identifier; " + "make sure your partial name starts with a letter or underscore, " + "and is followed by any combinations of letters, numbers, or underscores.") end extract_format(@path, @details) self end