Sort CSS.rb

#!/usr/bin/env ruby

lines = STDIN.readlines.map{|line| line.strip }
lines.delete_if{|line| line.empty?}

items = Hash.new
line = lines[0]

items[line] ||= Array.new
curItem = items[line]

raise "Line 2 isn't a {" unless lines[1] == "{"

i = 2
while(i < lines.length-1) do
	line = lines[i]
	if line == "}"
		i += 1
		line = lines[i]
		items[line] ||= Array.new
		curItem = items[line]
		i += 1
	else
		curItem.push(line)
	end
	i += 1
end

puts items.keys.sort.map{|key|
	"#{key}\n{\n    " + items[key].sort.join("\n    ") + "\n}"
}.join("\n\n")