Patch for oggy/looksee: Added config option 'order'

0001-Added-config-option-order.patch

From 7878ed28ba6bafbe4f90286f4b86ab35e223939e Mon Sep 17 00:00:00 2001
From: Christoph Petschnig <info@purevirtual.de>
Date: Fri, 5 Nov 2010 19:10:37 +0100
Subject: [PATCH] Added config option #order

---
 lib/looksee.rb       |   21 ++++++++++++++++++++-
 spec/looksee_spec.rb |   10 ++++++++++
 2 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/lib/looksee.rb b/lib/looksee.rb
index c0016bb..a6733ca 100644
--- a/lib/looksee.rb
+++ b/lib/looksee.rb
@@ -56,6 +56,7 @@ require "looksee/version"
 #
 #     Looksee.default_lookup_path_options
 #     Looksee.default_width
+#     Looksee.order
 #     Looksee.styles
 #
 # See their docs.
@@ -103,6 +104,22 @@ module Looksee
     attr_accessor :default_width
 
     #
+    # The order in which to print the modules.
+    #
+    # Possible values are:
+    #
+    # * :top_down
+    # * :bottom_up
+    #
+    # :top_down will start with the objects class and go down to Kernel
+    # (Ruby 1.8) or BasicObject (Ruby 1.9), whereas :bottom_up prints the
+    # modules in reverse order.
+    #
+    # Default: :top_down
+    #
+    attr_accessor :order
+
+    #
     # The default styles to use for the +inspect+ strings.
     #
     # This is a hash with keys:
@@ -137,8 +154,9 @@ module Looksee
     def lookup_modules(object)
       modules = []
       klass = Looksee.internal_class(object)
+      insert_method = @order != :bottom_up ? :push : :unshift
       while klass
-        modules << Looksee.internal_class_to_module(klass)
+        modules.send(insert_method, Looksee.internal_class_to_module(klass))
         klass = Looksee.internal_superclass(klass)
       end
       modules
@@ -147,6 +165,7 @@ module Looksee
 
   self.default_lookup_path_options = {:public => true, :protected => true, :undefined => true, :overridden => true}
   self.default_width = 80
+  self.order = :top_down
   self.styles = {
     :module     => "\e[1;37m%s\e[0m", # white
     :public     => "\e[1;32m%s\e[0m", # green
diff --git a/spec/looksee_spec.rb b/spec/looksee_spec.rb
index bad5f57..67bcada 100644
--- a/spec/looksee_spec.rb
+++ b/spec/looksee_spec.rb
@@ -368,6 +368,16 @@ describe Looksee::LookupPath do
       end
     end
 
+    describe "order" do
+      it "should return the modules in the specified order" do
+        default_order_mods = Looksee.lookup_modules("a string")
+        Looksee.order = :bottom_up
+        default_order_mods.reverse.should == Looksee.lookup_modules("a string")
+        Looksee.order = :top_down
+        default_order_mods.should == Looksee.lookup_modules("a string")
+      end
+    end
+
     describe "styles" do
       before do
         styles = {
-- 
1.7.1