From 7a7314e0683361496d6c1d331d280d70d271aa20 Mon Sep 17 00:00:00 2001
From: Gregor Best <farhaven@googlemail.com>
Date: Thu, 2 Jul 2009 02:05:42 +0200
Subject: [PATCH] awful.util: add table.reverse

Signed-off-by: Gregor Best <farhaven@googlemail.com>
Signed-off-by: Julien Danjou <julien@danjou.info>
---
 lib/awful/util.lua.in | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lib/awful/util.lua.in b/lib/awful/util.lua.in
index ad43f6ef..9f0cdc40 100644
--- a/lib/awful/util.lua.in
+++ b/lib/awful/util.lua.in
@@ -316,4 +316,22 @@ function table.keys_filter(t, ...)
     return keys_filtered
 end
 
+--- Reverse a table
+-- @param t the table to reverse
+-- @return the reversed table
+function table.reverse(t)
+    local tr = { }
+    -- reverse all elements with integer keys
+    for _, v in ipairs(t) do
+        rtable.insert(tr, 1, v)
+    end
+    -- add the remaining elements
+    for k, v in pairs(t) do
+        if type(v) ~= "number" then
+            tr[k] = v
+        end
+    end
+    return tr
+end
+
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80