plugin(oxford): moved to lexico.com, closes #13

[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 bafd85288cda35e721261e5cd7fea6bfcf5ae07d..89be0020434b81e1593a40d573aa77db6a80592e 100644 (file)
--- a/data/rbot/plugins/alias.rb
+++ b/data/rbot/plugins/alias.rb
@@ -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) &&
@@ -60,10 +58,10 @@ class AliasPlugin < Plugin
        warning _("Invalid alias entry %{alias} : %{command} in %{filename}: %{reason}") %
                 {:alias => a, :command => c, :filename => @data_file, :reason => $1}
       end
-    end 
-  end 
+    end
+  end
 
-  def save 
+  def save
     FileUtils.mkdir_p(@data_path)
     Utils.safe_save(@data_file) {|f| f.write @aliases.to_yaml}
   end
@@ -112,7 +110,7 @@ class AliasPlugin < Plugin
     command.scan(/<(\w+)>/).flatten.to_set ==
       text.split.grep(/\A[:*](\w+)\Z/) {$1}.to_set or
       raise AliasDefinitionError.new(_('The arguments in alias must match the substitutions in command, and vice versa'))
-    
+
     begin
       map text, :action => :"alias_handle<#{text}>", :auth_path => 'run'
     rescue
@@ -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})