unreplied(PrivMessage)::
Called for a PRIVMSG which has not been replied to.
+ notice(NoticeMessage)::
+ Called for all Notices. Please notice that in general
+ should not be replied to.
+
kick(KickMessage)::
Called when a user (or the bot) is kicked from a
channel the bot is in.
nick(NickMessage)::
Called when a user (or the bot) changes Nick
+ modechange(ModeChangeMessage)::
+ Called when a User or Channel mode is changed
topic(TopicMessage)::
Called when a user (or the bot) changes a channel
topic
+ welcome(WelcomeMessage)::
+ Called when the welcome message is received on
+ joining a server succesfully.
+
+ motd(MotdMessage)::
+ Called when the Message Of The Day is fully
+ recevied from the server.
+
connect:: Called when a server is joined successfully, but
before autojoin channels are joined (no params)
=end
class BotModule
- attr_reader :bot # the associated bot
- attr_reader :registry # the plugin registry
- attr_reader :handler # the message map handler
+ # the associated bot
+ attr_reader :bot
+
+ # the plugin registry
+ attr_reader :registry
+
+ # the message map handler
+ attr_reader :handler
# Initialise your bot module. Always call super if you override this method,
# as important variables are set up for you:
end
end
+ # Changing the value of @priority directly will cause problems,
+ # Please use priority=.
+ def priority
+ @priority ||= 1
+ end
+
# Returns the symbol :BotModule
def botmodule_class
:BotModule
# Signal to other BotModules that an even happened.
#
def call_event(ev, *args)
- @bot.plugins.delegate('event_' + ev.to_s.gsub(/[^\w\?!]+/, '_'), *args)
+ @bot.plugins.delegate('event_' + ev.to_s.gsub(/[^\w\?!]+/, '_'), *(args.push Hash.new))
end
# call-seq: map(template, options)
m.reply(_("incorrect usage, ask for help using '%{command}'") % {:command => "#{@bot.nick}: help #{m.plugin}"})
end
+ # Define the priority of the module. During event delegation, lower
+ # priority modules will be called first. Default priority is 1
+ def priority=(prio)
+ if @priority != prio
+ @priority = prio
+ @bot.plugins.mark_priorities_dirty
+ end
+ end
end
# A CoreBotModule is a BotModule that provides core functionality.
@names_hash = Hash.new
@commandmappers = Hash.new
@maps = Hash.new
+
+ # modules will be sorted on first delegate call
+ @sorted_modules = nil
+
@delegate_list = Hash.new { |h, k|
h[k] = Array.new
}
@commandmappers.clear
@maps.clear
@failures_shown = false
+ mark_priorities_dirty
end
# Associate with bot _bot_
end
@botmodules[kl] << botmodule
@names_hash[botmodule.to_sym] = botmodule
+ mark_priorities_dirty
end
# Returns an array of the loaded plugins
@commandmappers
end
+ # Tells the PluginManager that the next time it delegates an event, it
+ # should sort the modules by priority
+ def mark_priorities_dirty
+ @sorted_modules = nil
+ end
+
# Makes a string of error _err_ by adding text _str_
def report_error(str, err)
([str, err.inspect] + err.backtrace).join("\n")
@delegate_list[m.intern] << p
}
}
+ mark_priorities_dirty
end
# call the save method for each active plugin
return false
end
- # see if each plugin handles +method+, and if so, call it, passing
- # +message+ as a parameter
+ def sort_modules
+ @sorted_modules = (core_modules + plugins).sort do |a, b|
+ a.priority <=> b.priority
+ end || []
+
+ @delegate_list.each_value do |list|
+ list.sort! {|a,b| a.priority <=> b.priority}
+ end
+ end
+
+ # call-seq: delegate</span><span class="method-args">(method, m, opts={})</span>
+ # <span class="method-name">delegate</span><span class="method-args">(method, opts={})
+ #
+ # see if each plugin handles _method_, and if so, call it, passing
+ # _m_ as a parameter (if present). BotModules are called in order of
+ # priority from lowest to highest.
+ #
+ # If the passed _m_ is a BasicUserMessage and is marked as #ignored?, it
+ # will only be delegated to plugins with negative priority. Conversely, if
+ # it's a fake message (see BotModule#fake_message), it will only be
+ # delegated to plugins with positive priority.
+ #
+ # Note that _m_ can also be an exploded Array, but in this case the last
+ # element of it cannot be a Hash, or it will be interpreted as the options
+ # Hash for delegate itself. The last element can be a subclass of a Hash, though.
+ # To be on the safe side, you can add an empty Hash as last parameter for delegate
+ # when calling it with an exploded Array:
+ # @bot.plugins.delegate(method, *(args.push Hash.new))
+ #
+ # Currently supported options are the following:
+ # :above ::
+ # if specified, the delegation will only consider plugins with a priority
+ # higher than the specified value
+ # :below ::
+ # if specified, the delegation will only consider plugins with a priority
+ # lower than the specified value
+ #
def delegate(method, *args)
+ # if the priorities order of the delegate list is dirty,
+ # meaning some modules have been added or priorities have been
+ # changed, then the delegate list will need to be sorted before
+ # delegation. This should always be true for the first delegation.
+ sort_modules unless @sorted_modules
+
+ opts = {}
+ opts.merge(args.pop) if args.last.class == Hash
+
+ m = args.first
+ if BasicUserMessage === m
+ # ignored messages should not be delegated
+ # to plugins with positive priority
+ opts[:below] ||= 0 if m.ignored?
+ # fake messages should not be delegated
+ # to plugins with negative priority
+ opts[:above] ||= 0 if m.recurse_depth > 0
+ end
+
+ above = opts[:above]
+ below = opts[:below]
+
# debug "Delegating #{method.inspect}"
ret = Array.new
if method.match(DEFAULT_DELEGATE_PATTERNS)
return [] unless @delegate_list.has_key?(m)
@delegate_list[m].each { |p|
begin
- ret.push p.send(method, *args)
+ prio = p.priority
+ unless (above and above >= prio) or (below and below <= prio)
+ ret.push p.send(method, *args)
+ end
rescue Exception => err
raise if err.kind_of?(SystemExit)
error report_error("#{p.botmodule_class} #{p.name} #{method}() failed:", err)
}
else
debug "slow-delegating #{method}"
- (core_modules + plugins).each { |p|
+ @sorted_modules.each { |p|
if(p.respond_to? method)
begin
# debug "#{p.botmodule_class} #{p.name} responds"
- ret.push p.send(method, *args)
+ prio = p.priority
+ unless (above and above >= prio) or (below and below <= prio)
+ ret.push p.send(method, *args)
+ end
rescue Exception => err
raise if err.kind_of?(SystemExit)
error report_error("#{p.botmodule_class} #{p.name} #{method}() failed:", err)
# see if we have a plugin that wants to handle this message, if so, pass
# it to the plugin and return true, otherwise false
def privmsg(m)
- # debug "Delegating privmsg #{m.message.inspect} from #{m.source} to #{m.replyto} with pluginkey #{m.plugin.inspect}"
+ debug "Delegating privmsg #{m.inspect} with pluginkey #{m.plugin.inspect}"
return unless m.plugin
k = m.plugin.to_sym
if commands.has_key?(k)
a = commands[k][:auth]
# We check here for things that don't check themselves
# (e.g. mapped things)
- # debug "Checking auth ..."
+ debug "Checking auth ..."
if a.nil? || @bot.auth.allow?(a, m.source, m.replyto)
- # debug "Checking response ..."
+ debug "Checking response ..."
if p.respond_to?("privmsg")
begin
- # debug "#{p.botmodule_class} #{p.name} responds"
+ debug "#{p.botmodule_class} #{p.name} responds"
p.privmsg(m)
rescue Exception => err
raise if err.kind_of?(SystemExit)
error report_error("#{p.botmodule_class} #{p.name} privmsg() failed:", err)
raise if err.kind_of?(BDB::Fatal)
end
- # debug "Successfully delegated #{m.message}"
+ debug "Successfully delegated #{m.inspect}"
return true
else
- # debug "#{p.botmodule_class} #{p.name} is registered, but it doesn't respond to privmsg()"
+ debug "#{p.botmodule_class} #{p.name} is registered, but it doesn't respond to privmsg()"
end
else
- # debug "#{p.botmodule_class} #{p.name} is registered, but #{m.source} isn't allowed to call #{m.plugin.inspect} on #{m.replyto}"
+ debug "#{p.botmodule_class} #{p.name} is registered, but #{m.source} isn't allowed to call #{m.plugin.inspect} on #{m.replyto}"
end
+ else
+ debug "Command #{k} isn't handled"
end
- # debug "Finished delegating privmsg with key #{m.plugin.inspect}" + ( pl.empty? ? "" : " to #{pl.values.first[:botmodule].botmodule_class}s" )
return false
- # debug "Finished delegating privmsg with key #{m.plugin.inspect}"
end
# delegate IRC messages, by delegating 'listen' first, and the actual method