class Samovar::Table

def << row
	@rows << row
	
	if row.respond_to?(:parse)
		@parser << row
	end
end

def initialize
	@rows = []
	@parser = []
end

def parse(input, command)
	@parser.each do |row|
		current = command.send(row.key)
		
		if result = row.parse(input, current)
			command.send("#{row.key}=", result)
		end
	end
end

def usage
	@rows.collect(&:to_s).join(' ')
end