# exisitng rbot command and that is run.
#
# == Example Session
-# < alias googlerbot *terms => google site:linuxbrit.co.uk/rbot/ <terms>
+# < alias googlerbot *terms => google site:ruby-rbot.org <terms>
# > okay
# < googlerbot plugins
-# > Results for site:linuxbrit.co.uk/rbot/ plugins: ....
+# > Results for site:ruby-rbot.org plugins: ....
#
# == Security
# By default, only the owner can define and remove aliases, while everyone else can
class AliasDefinitionError < ArgumentError
end
- MAX_RECURSION_DEPTH = 10
-
def initialize
super
@data_path = "#{@bot.botclass}/alias/"
if name.to_s =~ /\Aalias_handle<(.+)>\Z/
text = $1
m, params = args
- # messages created by alias handler will have a depth method, which returns the
- # depth of "recursion" caused by the message
- current_depth = if m.respond_to?(:depth) then m.depth else 0 end
- if current_depth > MAX_RECURSION_DEPTH
- m.reply _('The alias seems to have caused infinite recursion. Please examine your alias definitions')
- return
- end
command = @aliases[text]
if command
- # create a fake message containing the intended command
- new_msg = PrivMessage.new(@bot, m.server, m.server.user(m.source), m.target,
- command.gsub(/<(\w+)>/) {|arg| params[:"#{$1}"].to_s})
- # tag incremented depth on the message
- class << new_msg
- self
- end.send(:define_method, :depth) {current_depth + 1}
-
- @bot.plugins.privmsg(new_msg)
+ begin
+ # create a fake message containing the intended command
+ @bot.plugins.privmsg fake_message(command.gsub(/<(\w+)>/) {|arg| params[:"#{$1}"].to_s}, :from => m, :delegate => false)
+ rescue RecurseTooDeep
+ m.reply _('The alias seems to have caused infinite recursion. Please examine your alias definitions')
+ return
+ end
else
m.reply(_("Error handling the alias, The alias %{text} is not defined or has beeen removed. I will stop responding to it after rescan,") %
{:text => text})
end.join ' | '
end
when 'create'
- _('"alias <text> => <command>" => add text as an alias of command. Text can contain placeholders marked with : or * for :words and *multiword arguments. The command can contain placeholders enclosed with < > which will be substituded with argument values. For example: alias googlerbot *terms => google site:linuxbrit.co.uk/rbot/ <terms>')
+ _('"alias <text> => <command>" => add text as an alias of command. Text can contain placeholders marked with : or * for :words and *multiword arguments. The command can contain placeholders enclosed with < > which will be substituded with argument values. For example: alias googlerbot *terms => google site:ruby-rbot.org <terms>')
when 'commands'
_('alias list => list defined aliases | alias whatis <alias> => show definition of the alias | alias remove <alias> => remove defined alias | see the "create" topic about adding aliases')
end