class CmdManOptions
	super CmdManFile

	# Options description
	var options: nullable ArrayMap[String, String]

	redef fun init_command do
		var res = super
		if not res isa CmdSuccess then return res
		var mentity = self.mentity.as(not null)
		var file = self.file.as(not null)

		var options = new ArrayMap[String, String]

		var lines = file.to_path.read_lines
		var in_options = false
		for i in [0 .. lines.length[ do
			var line = lines[i]
			if line == "# OPTIONS" then
				in_options = true
			else if in_options and line.has_prefix("### ") then
				var opt = line.substring(4, line.length).trim.replace("`", "")
				var desc = ""
				if i < lines.length - 1 then
					desc = lines[i + 1].trim
				end
				options[opt] = desc
			else if line.has_prefix("# ") then
				in_options = false
			end
		end

		if options.is_empty then return new WarningNoManOptions(mentity)
		self.options = options

		return res
	end
end