class Samovar::Table

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

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

def parse(input)
	@parser.each do |row|
		if result = row.parse(input)
			yield row.key, result, row
		end
	end
end

def usage
	items = Array.new
	
	@rows.each do |row|
		items << row.to_s
	end
	
	items.join(' ')
end