mostly munich changes

1 files changed, 17 insertions, 1 deletions

diff --git a/report/util.rb b/report/util.rb
index 5934064..ca12963 100644
--- a/report/util.rb
+++ b/report/util.rb
@@ -1,7 +1,23 @@
-
+require 'abbrev'
 # graph-files are generated in the tmp-dir before they are stored
 ENV['TMP_DIR'] = File.join(FileUtils.pwd,"reports","tmp") unless ENV['TMP_DIR']
 
+
+class Array
+  def common_prefix()
+      self.abbrev.keys.sort_by{|word| -word.size}.last[0..-2]
+  end
+  
+  def remove_common_prefix()
+      if self.size > 2
+        prefix = self.common_prefix
+        if prefix.size>0
+          return self.collect{|word| word[prefix.size..-1]}
+        end
+      end
+  end
+end
+
 class Object
   
   # checks weather two objects have the same values for __equal_attributes__