# Abstract command that returns source-code pieces
abstract class CmdCode
	super DocCommand

	autoinit(model, filter, node, format)

	# AST node to display code from
	var node: nullable ANode = null is optional, writable

	# Rendering format
	#
	# Set the output format for this piece of code.
	# Can be "raw", "html" or "ansi".
	# Default is "raw".
	#
	# This format can be different than the format used in the command response.
	# For example you can choose to render code as HTML inside a JSON object response.
	# Another example is to render raw format to put into a HTML code tag.
	var format = "raw" is optional, writable

	# Render `node` depending on the selected `format`
	fun render_code(node: ANode): Writable do
		return node.location.text
	end
end