From b7528b5edb1f9148ea00ebb6151720e5943b3f0b Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 16 Jun 2011 04:59:24 +0000
Subject: 	* lib/rdoc.rb:  Import RDoc 3.7 release candidate

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rdoc/top_level.rb | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'lib/rdoc/top_level.rb')

diff --git a/lib/rdoc/top_level.rb b/lib/rdoc/top_level.rb
index d0ea621f8c..b9fd5c9f6f 100644
--- a/lib/rdoc/top_level.rb
+++ b/lib/rdoc/top_level.rb
@@ -219,6 +219,20 @@ class RDoc::TopLevel < RDoc::Context
     end
   end
 
+  ##
+  # Creates a new RDoc::TopLevel with +file_name+ only if one with the same
+  # name does not exist in all_files.
+
+  def self.new file_name
+    if top_level = @all_files_hash[file_name] then
+      top_level
+    else
+      top_level = super
+      @all_files_hash[file_name] = top_level
+      top_level
+    end
+  end
+
   ##
   # Removes from +all_hash+ the contexts that are nodoc or have no content.
   #
@@ -295,6 +309,15 @@ class RDoc::TopLevel < RDoc::Context
     RDoc::TopLevel.files_hash[file_name] = self
   end
 
+  ##
+  # An RDoc::TopLevel is equal to another with the same absolute_name
+
+  def == other
+    other.class === self and @absolute_name == other.absolute_name
+  end
+
+  alias eql? ==
+
   ##
   # Adds +an_alias+ to +Object+ instead of +self+.
 
@@ -375,6 +398,14 @@ class RDoc::TopLevel < RDoc::Context
     @relative_name
   end
 
+  ##
+  # An RDoc::TopLevel has the same hash as another with the same
+  # absolute_name
+
+  def hash
+    @absolute_name.hash
+  end
+
   ##
   # URL for this with a +prefix+
 
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