Packet

property login:username
p=info

usericon=usericon
symbol=symbol
realname=realname
typename=typename
gpc=global privs

conn
online=seconds online
idle=seconds idle

ns channel

ns channel

Packet.rb

class Packet
  attr_reader :cmd, :param, :args, :body, :sub, :depth, :raw
	def initialize	(pkt)
		@args = {}
		@sub = []
		if pkt.is_a? Hash
			@cmd = pkt[:cmd]
			@param = pkt[:param]
			@args = pkt[:args]
			@body = pkt[:body]
			@sub = pkt[:sub]
			@raw = pkt[:raw]
		elsif pkt.is_a? String
			@raw = pkt

			parts = pkt.split "\n\n", 2
			head = parts.shift.split "\n"
			if head[0]["="] == nil
				cmd = head.shift.split " "
				@cmd = cmd.shift
				@param = cmd.shift
			end

			head.each do |line|
				splat = line.split "=", 2
				@args[splat[0]] = splat[1]
			end

			@body = parts.shift || ""
			@body.split("\n\n").each do |sub|
				@sub.push Packet.new(sub)
			end
		end
	end
end

Results.rb

#<Packet:0x007fbd020e3f78
	@args = {
		"p" => "info"
	},
	@sub = [
		#<Packet:0x007fbd020e30a0
			@args = {
				"usericon" => "usericon",
				"symbol" => "symbol",
				"realname" => "realname",
				"typename" => "typename",
				"gpc" => "global privs"
			},
			@sub = [],
			@raw = "usericon=usericon\nsymbol=symbol\nrealname=realname\ntypename=typename\ngpc=global privs",
			@body = ""
		>,
		#<Packet:0x007fbd020e2358
			@args = {
				"online" => "seconds online",
				"idle" => "seconds idle"
			},
			@sub = [],
			@raw = "conn\nonline=seconds online\nidle=seconds idle",
			@cmd = "conn",
			@param = nil,
			@body = ""
		>,
		#<Packet:0x007fbd020db120
			@args = {},
			@sub = [],
			@raw = "ns channel",
			@cmd = "ns",
			@param = "channel",
			@body = ""
		>,
		#<Packet:0x007fbd020dabd0
			@args = {},
			@sub = [],
			@raw = "ns channel",
			@cmd = "ns",
			@param = "channel",
			@body = ""
		>
	],
	@raw = "property login:username\np=info\n\nusericon=usericon\nsymbol=symbol\nrealname=realname\ntypename=typename\ngpc=global privs\n\nconn\nonline=seconds online\nidle=seconds idle\n\nns channel\n\nns channel",
	@cmd = "property",
	@param = "login:username",
	@body = "usericon=usericon\nsymbol=symbol\nrealname=realname\ntypename=typename\ngpc=global privs\n\nconn\nonline=seconds online\nidle=seconds idle\n\nns channel\n\nns channel"
>

Usage.rb

require './Packet'

Packet.new "property login:username\np=info\n\nusericon=usericon\nsymbol=symbol\nrealname=realname\ntypename=typename\ngpc=global privs\n\nconn\nonline=seconds online\nidle=seconds idle\n\nns channel\n\nns channel"