linecache.rb in sentry-raven-3.0.1

- old
+ new

@@ -8,10 +8,11 @@
     # Returns an Array of Strings representing the lines in the source
     # file. The number of lines retrieved is (2 * context) + 1, the middle
     # line should be the line requested by lineno. See specs for more information.
     def get_file_context(filename, lineno, context)
       return nil, nil, nil unless valid_path?(filename)
+
       lines = Array.new(2 * context + 1) do |i|
         getline(filename, lineno - context + i)
       end
       [lines[0..(context - 1)], lines[context], lines[(context + 1)..-1]]
     end
@@ -24,18 +25,20 @@
     end
 
     def getlines(path)
       @cache[path] ||= begin
         IO.readlines(path)
-      rescue
-        nil
+                       rescue
+                         nil
       end
     end
 
     def getline(path, n)
       return nil if n < 1
+
       lines = getlines(path)
       return nil if lines.nil?
+
       lines[n - 1]
     end
   end
 end