Avoid repeatedly calling File.basename in TopLevel

Author: st0012

lib/rdoc/code_object/top_level.rb

@@ -16,6 +16,16 @@ class RDoc::TopLevel < RDoc::Context
 
   attr_accessor :absolute_name
 
+  ##
+  # Base name of this file
+
+  attr_reader :base_name
+
+  ##
+  # Base name of this file without the extension
+
+  attr_reader :page_name
+
   ##
   # All the classes or modules that were declared in
   # this file. These are assigned to either +#classes_hash+
@@ -40,6 +50,14 @@ def initialize(absolute_name, relative_name = absolute_name)
     @relative_name = relative_name
     @parser        = nil
 
+    if relative_name
+      @base_name = File.basename(relative_name)
+      @page_name = @base_name.sub(/\.(rb|rdoc|txt|md)$/i, '')
+    else
+      @base_name = nil
+      @page_name = nil
+    end
+
     @classes_or_modules = []
   end
 
@@ -105,13 +123,6 @@ def add_to_classes_or_modules(mod)
     @classes_or_modules << mod
   end
 
-  ##
-  # Base name of this file
-
-  def base_name
-    File.basename @relative_name
-  end
-
   alias name base_name
 
   ##
@@ -204,16 +215,6 @@ def object_class
     end
   end
 
-  ##
-  # Base name of this file without the extension
-
-  def page_name
-    basename = File.basename @relative_name
-    basename =~ /\.(rb|rdoc|txt|md)$/i
-
-    $` || basename
-  end
-
   ##
   # Path to this file for use with HTML generator output.