From 9407e52accbd3d4d97063a238f5e77dae39c273e Mon Sep 17 00:00:00 2001
From: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Date: Tue, 6 Feb 2007 09:46:52 +0000
Subject: New IRC Framework: more convenience methods to look into Netmask,
 User and Channel Lists

---
 lib/rbot/irc.rb | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/lib/rbot/irc.rb b/lib/rbot/irc.rb
index f3964d83..ab730278 100644
--- a/lib/rbot/irc.rb
+++ b/lib/rbot/irc.rb
@@ -461,6 +461,13 @@ class ArrayOf < Array
     }
   end
 
+  # We introduce the 'downcase' method, which maps downcase() to all the Array
+  # elements, properly failing when the elements don't have a downcase method
+  #
+  def downcase
+    self.map { |el| el.downcase }
+  end
+
   # Modifying methods which we don't handle yet are made private
   #
   private :[]=, :collect!, :map!, :fill, :flatten!
@@ -684,7 +691,10 @@ module Irc
     end
 
     # We enhance the [] method by allowing it to pick an element that matches
-    # a given Netmask or String
+    # a given Netmask, a String or a Regexp
+    # TODO take into consideration the opportunity to use select() instead of
+    # find(), and/or a way to let the user choose which one to take (second
+    # argument?)
     #
     def [](*args)
       if args.length == 1
@@ -697,6 +707,10 @@ module Irc
           self.find { |mask|
             mask.matches?(args[0].to_irc_netmask(:casemap => mask.casemap))
           }
+        when Regexp
+          self.find { |mask|
+            mask.fullform =~ args[0]
+          }
         else
           super(*args)
         end
@@ -850,6 +864,13 @@ module Irc
       @element_class = User
     end
 
+    # Convenience method: convert the UserList to a list of nicks. The indices
+    # are preserved
+    #
+    def nicks
+      self.map { |user| user.nick }
+    end
+
   end
 
 end
@@ -1206,6 +1227,13 @@ module Irc
       super(Channel, ar)
     end
 
+    # Convenience method: convert the ChannelList to a list of channel names.
+    # The indices are preserved
+    #
+    def names
+      self.map { |chan| chan.name }
+    end
+
   end
 
 end
-- 
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