+ @bot.path and datafile methods

[user/henk/code/ruby/rbot.git] / data / rbot / plugins / alias.rb

diff --git a/data/rbot/plugins/alias.rb b/data/rbot/plugins/alias.rb
index a587736ccff862eaeb21873b532ac35ed2c7e952..58d0ef01a0831639f03dd98b8aaf06064e2519b2 100644 (file)
--- a/data/rbot/plugins/alias.rb
+++ b/data/rbot/plugins/alias.rb
@@ -12,10 +12,10 @@
 # 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
@@ -36,12 +36,10 @@ class AliasPlugin < Plugin
   class AliasDefinitionError < ArgumentError
   end
 
-  MAX_RECURSION_DEPTH = 10
-
   def initialize
     super
-    @data_path = "#{@bot.botclass}/alias/"
-    @data_file = "#{@data_path}/aliases.yaml"
+    @data_path = datafile
+    @data_file = File.join(@data_path, 'aliases.yaml')
     # hash of alias => command entries
     data = nil
     aliases = if File.exist?(@data_file) &&
@@ -130,25 +128,16 @@ class AliasPlugin < Plugin
     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})
@@ -171,7 +160,7 @@ class AliasPlugin < Plugin
         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