extends: String#wrap_nonempty

We sometimes want to wrap a nonempty String with a given prefix and
postfix. This method makes it a breeze.

diff --git a/lib/rbot/core/utils/extends.rb b/lib/rbot/core/utils/extends.rb
index 42500ee0f9f45544823cd23918903e8d44dda36c..083f2b858087f23b6f0200876f872d79ab691340 100644 (file)
--- a/lib/rbot/core/utils/extends.rb
+++ b/lib/rbot/core/utils/extends.rb
@@ -283,6 +283,16 @@ class ::String
   def ircify_html_title
     self.get_html_title.ircify_html rescue nil
   end
+
+  # This method is used to wrap a nonempty String by adding
+  # the prefix and postfix
+  def wrap_nonempty(pre, post, opts={})
+    if self.empty?
+      String.new
+    else
+      "#{pre}#{self}#{post}"
+    end
+  end
 end