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|
require 'socket'
require 'timeout'
module Dinobot
class Bot
attr_accessor :trigger
attr_reader :server, :port, :nick, :pass, :modules, :channels
def initialize(server, port, nick, pass=nil, &block)
@server = server
@port = port
@nick = nick
@pass = pass
@trigger = '!'
@socket = nil
@modules = Hash.new
@channels = Array.new
instance_eval(&block) if block_given?
end
def connect
@socket = TCPSocket.new(@server, @port)
out "PASS #{@pass}" if @pass
out "NICK #{@nick}"
out "USER #{@nick} 0 * :#{@nick}"
@channels.each do |channel|
join channel
end
end
def connected?
!(@socket.nil? || @socket.closed?)
end
def run
log :info, "Connecting to #{@server}:#{@port}."
connect
while str = @socket.gets
str.chomp!
log :in, str.inspect
Thread.new do
begin
Timeout.timeout(30) do
parse_line(str)
end
rescue => e
log :error, "Error parsing line. (#{e})"
puts e.backtrace
end
end
end
log :info, 'Disconnected.'
@socket.close
end
def parse_line(str)
out str.sub('PING', 'PONG') if str =~ /^PING /
if str =~ /(\S+) PRIVMSG (\S+) :(.*)/
user, channel, message = str.scan(/(\S+) PRIVMSG (\S+) :(.*)/).first
return unless message =~ /^#{Regexp.escape(@trigger)}/
message.sub!(@trigger, '')
methods = parse_command(user, channel, message)
run_methods(methods) if methods.is_a?(Array)
end
end
def parse_command(user, channel, command, prev=nil)
command, remainder = command.split(' | ', 2)
mod = command.scan(/\A\S+/).first.downcase
return unless @modules.keys.map { |x| x.to_s }.include?(mod)
mod = mod.intern
if prev.nil?
methods = @modules[mod].call(user, channel, command)
else
methods = []
prev.each do |p|
if p.first == :say
m = @modules[mod].call(user, p[1], "#{command} #{p[2]}")
methods.concat(m) if m.is_a?(Array)
else
methods << p
end
end
end
remainder ? parse_command(user, channel, remainder, methods) : methods
end
def run_methods(methods)
methods.each do |method|
log :info, "Executing method: #{method.inspect}"
case method.first
when :say
send(*method) if method.length == 3
when :join, :part
send(*method) if method.length == 2
end
end
end
def out(str)
return unless connected?
log :out, str.inspect
@socket.puts str
end
def say(channel, message)
out "PRIVMSG #{channel} :#{message}"
end
def join(channel)
@channels << channel unless @channels.include?(channel)
out "JOIN #{channel}"
end
def part(channel)
@channels.delete(channel)
out "PART #{channel}"
end
def load_module(mod)
mod = mod.downcase.intern
log :info, "Loading module: #{mod}"
begin
load "#{mod}.rb"
m = Dinobot.const_get(Dinobot.constants.find { |x| x.downcase == mod })
@modules[mod] = m.new(self)
log :info, "Loaded module: #{mod} (#{m})"
rescue LoadError, StandardError => e
log :error, "Failed to load module: #{mod} (#{e})"
end
end
def unload_module(mod)
mod = mod.downcase.intern
log :info, "Unloading module: #{mod}"
unless @modules.has_key?(mod)
log :error, "Failed to unload module: #{mod} (module not loaded)"
return
end
@modules.delete(mod)
Dinobot.send(
:remove_const,
Dinobot.constants.find { |x| x.downcase == mod }
)
end
def log(type, str)
case type
when :in
puts "\e[32m<<\e[0m #{str}"
when :out
puts "\e[36m>>\e[0m #{str}"
when :error
puts "\e[31m!!\e[0m #{str}"
when :info
puts "\e[33m==\e[0m #{str}"
end
end
end
end
|
