From 03ad2398aae1f745266118a9e94ed4636a3872eb Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Sun, 16 Mar 2008 18:11:22 +0000
Subject: [PATCH] * Rewrote OOP class constructor * Added stub for cbi
 (configuration bind interface)

---
 src/ffluci/cbi.lua  | 39 +++++++++++++++++++++++++++++++++++++++
 src/ffluci/util.lua | 27 +++++++++++++++++----------
 2 files changed, 56 insertions(+), 10 deletions(-)
 create mode 100644 src/ffluci/cbi.lua

diff --git a/src/ffluci/cbi.lua b/src/ffluci/cbi.lua
new file mode 100644
index 000000000..b0e6df8cc
--- /dev/null
+++ b/src/ffluci/cbi.lua
@@ -0,0 +1,39 @@
+--[[
+FFLuCI - Configuration Bind Interface
+
+Description:
+Offers an interface for binding confiugration values to certain
+data types. Supports value and range validation and basic dependencies.
+
+FileId:
+$Id$
+
+License:
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at 
+
+	http://www.apache.org/licenses/LICENSE-2.0 
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+]]--
+module("ffluci.cbi", package.seeall)
+require("ffluci.util")
+
+
+-- Node pseudo abstract class
+Node = ffluci.util.class()
+function Node.render(self)
+end
+function Node.append(self, obj)
+end
+
+
+Map = ffluci.util.class(Node)
diff --git a/src/ffluci/util.lua b/src/ffluci/util.lua
index 3004f552e..6e0d8675a 100644
--- a/src/ffluci/util.lua
+++ b/src/ffluci/util.lua
@@ -27,22 +27,29 @@ limitations under the License.
 module("ffluci.util", package.seeall)
 
 
--- Lua OO class support emulation
+-- Lua simplified Python-style OO class support emulation
 function class(base)
-	local clsobj = {}
-	local metatable = {__index = clsobj}
+	local class = {}
 	
-    function clsobj.new()
-        local inst = {}
-        setmetatable(inst, metatable)
-        return inst
-    end	
+	local create = function(class, ...)
+		local inst = {}
+		setmetatable(inst, {__index = class})
+		
+		if inst.__init__ then
+			inst:__init__(...)
+		end
+		
+		return inst
+	end
+	
+	local classmeta = {__call = create}
 	
 	if base then
-		setmetatable(clsobj, {__index = base})
+		classmeta.__index = base
 	end
 	
-	return clsobj
+	setmetatable(class, classmeta)
+	return class
 end
 
 
-- 
2.25.1