# :title: RFC 2821 Client Protocol module
#
# This module defines the Irc::Client class, a class that can handle and
-# dispatch messages based on RFC 2821i (Internet Relay Chat: Client Protocol)
+# dispatch messages based on RFC 2821 (Internet Relay Chat: Client Protocol)
module Irc
# - The server sends Replies 001 to 004 to a user upon
# Create a new Client instance
def initialize
@server = Server.new # The Server
- @user = @server.user("") # The User representing the client on this Server
+ @user = @server.user("*!*@*") # The User representing the client on this Server
@handlers = Hash.new
# Clear the server and reset the user
def reset
@server.clear
- @user = @server.user("")
+ @user = @server.user("*!*@*")
end
# key:: server event to handle
num=command.to_i
case num
when RPL_WELCOME
+ data[:message] = argv[1]
# "Welcome to the Internet Relay Network
# <nick>!<user>@<host>"
if not_us
warning "Server thinks client (#{@user.inspect}) has a different nick"
@user.nick = data[:target]
end
- if argv[1] =~ /([^@!\s]+)(?:!([^@!\s]+?))?@(\S+)/
+ if data[:message] =~ /([^@!\s]+)(?:!([^@!\s]+?))?@(\S+)/
nick = $1
user = $2
host = $3
chan.add_user(u, :silent => true)
debug "Adding user #{u}"
if ar[1]
- m = @server.supports[:prefix][:prefixes].index(ar[1].to_sym)
- ms = @server.supports[:prefix][:modes][m]
+ ms = @server.mode_for_prefix(ar[1].to_sym)
debug "\twith mode #{ar[1]} (#{ms})"
chan.mode[ms].set(u)
end
handle(:who, data)
when RPL_ENDOFWHO
handle(:eowho, data)
+ when RPL_CHANNELMODEIS
+ parse_mode(serverstring, argv[1..-1], data)
+ handle(:mode, data)
else
+ warning "Unknown message #{serverstring.inspect}"
handle(:unknown, data)
end
return # We've processed the numeric reply
handle(:nick, data)
when :MODE
- # MODE ([+-]<modes> (<params>)*)*
- # When a MODE message is received by a server,
- # Type C will have parameters too, so we must
- # be able to consume parameters for all
- # but Type D modes
-
- data[:channel] = @server.user_or_channel(argv[0])
- data[:modestring] = argv[1..-1].join(" ")
- case data[:channel]
- when User
- # TODO
- warning "Unhandled user mode message '#{serverstring}'"
- else
- # data[:modes] is an array where each element
- # is either a flag which doesn't need parameters
- # or an array with a flag which needs parameters
- # and the corresponding parameter
- data[:modes] = []
- # array of indices in data[:modes] where parameters
- # are needed
- who_wants_params = []
-
- argv[1..-1].each { |arg|
- setting = arg[0].chr
- if "+-".include?(setting)
- arg[1..-1].each_byte { |b|
- m = b.chr
- case m.to_sym
+ parse_mode(serverstring, argv, data)
+ handle(:mode, data)
+ else
+ warning "Unknown message #{serverstring.inspect}"
+ handle(:unknown, data)
+ end
+ end
+
+ private
+
+ # key:: server event name
+ # data:: hash containing data about the event, passed to the proc
+ # call client's proc for an event, if they set one as a handler
+ def handle(key, data)
+ if(@handlers.has_key?(key))
+ @handlers[key].call(data)
+ end
+ end
+
+ # RPL_CHANNELMODEIS
+ # MODE ([+-]<modes> (<params>)*)*
+ # When a MODE message is received by a server,
+ # Type C will have parameters too, so we must
+ # be able to consume parameters for all
+ # but Type D modes
+ def parse_mode(serverstring, argv, data)
+ data[:target] = @server.user_or_channel(argv[0])
+ data[:modestring] = argv[1..-1].join(" ")
+ # data[:modes] is an array where each element
+ # is an array with two elements, the first of which
+ # is either :set or :reset, and the second symbol
+ # is the mode letter. An optional third element
+ # is present e.g. for channel modes that need
+ # a parameter
+ data[:modes] = []
+ case data[:target]
+ when User
+ # User modes aren't currently handled internally,
+ # but we still parse them and delegate to the client
+ warning "Unhandled user mode message '#{serverstring}'"
+ argv[1..-1].each { |arg|
+ setting = arg[0].chr
+ if "+-".include?(setting)
+ setting = setting == "+" ? :set : :reset
+ arg[1..-1].each_byte { |b|
+ m = b.chr.intern
+ data[:modes] << [setting, m]
+ }
+ else
+ # Although typically User modes don't take an argument,
+ # this is not true for all modes on all servers. Since
+ # we have no knowledge of which modes take parameters
+ # and which don't we just assign it to the last
+ # mode. This is not going to do strange things often,
+ # as usually User modes are only set one at a time
+ warning "Unhandled user mode parameter #{arg} found"
+ data[:modes].last << arg
+ end
+ }
+ else
+ # array of indices in data[:modes] where parameters
+ # are needed
+ who_wants_params = []
+
+ modes = argv[1..-1].dup
+ debug modes
+ getting_args = false
+ while arg = modes.shift
+ debug arg
+ if getting_args
+ # getting args for previously set modes
+ idx = who_wants_params.shift
+ if idx.nil?
+ warning "Oops, problems parsing #{serverstring.inspect}"
+ break
+ end
+ data[:modes][idx] << arg
+ getting_args = false if who_wants_params.empty?
+ else
+ debug @server.supports[:chanmodes]
+ setting = :set
+ arg.each_byte do |c|
+ m = c.chr.intern
+ case m
+ when :+
+ setting = :set
+ when :-
+ setting = :reset
+ else
+ data[:modes] << [setting, m]
+ case m
when *@server.supports[:chanmodes][:typea]
- data[:modes] << [setting + m]
who_wants_params << data[:modes].length - 1
when *@server.supports[:chanmodes][:typeb]
- data[:modes] << [setting + m]
who_wants_params << data[:modes].length - 1
when *@server.supports[:chanmodes][:typec]
- if setting == "+"
- data[:modes] << [setting + m]
+ if setting == :set
who_wants_params << data[:modes].length - 1
- else
- data[:modes] << setting + m
end
when *@server.supports[:chanmodes][:typed]
- data[:modes] << setting + m
+ # Nothing to do
when *@server.supports[:prefix][:modes]
- data[:modes] << [setting + m]
who_wants_params << data[:modes].length - 1
else
- warning "Unknown mode #{m} in #{serverstring.inspect}"
+ warning "Ignoring unknown mode #{m} in #{serverstring.inspect}"
+ data[:modes].pop
end
- }
- else
- idx = who_wants_params.shift
- if idx.nil?
- warning "Oops, problems parsing #{serverstring.inspect}"
- break
end
- data[:modes][idx] << arg
end
- }
+ getting_args = true unless who_wants_params.empty?
+ end
end
data[:modes].each { |mode|
- case mode
- when Array
- set = mode[0][0].chr == "+" ? :set : :reset
- key = mode[0][1].chr.to_sym
- val = mode[1]
- data[:channel].mode[key].send(set, val)
+ set, key, val = mode
+ if val
+ data[:target].mode[key].send(set, val)
else
- set = mode[0].chr == "+" ? :set : :reset
- key = mode[1].chr.to_sym
- data[:channel].mode[key].send(set)
+ data[:target].mode[key].send(set)
end
- } if data[:modes]
-
- handle(:mode, data)
- else
- warning "Unknown message #{serverstring.inspect}"
- handle(:unknown, data)
- end
- end
-
- private
-
- # key:: server event name
- # data:: hash containing data about the event, passed to the proc
- # call client's proc for an event, if they set one as a handler
- def handle(key, data)
- if(@handlers.has_key?(key))
- @handlers[key].call(data)
+ }
end
end
end
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