* Added ffluci.util.instanceof function

* Minor beautifying in dispatcher * Added field for additional Tags under <head> in main style * Added structure for CBI * Added CBI to Makefile
author: Steven Barth <steven@midlink.org> 2008-03-17 21:38:03 +0000
committer: Steven Barth <steven@midlink.org> 2008-03-17 21:38:03 +0000
commit: f41539e5493dc8ba3059730f77a6fbb7595aae5a (patch)
tree: ad97b3bdd8739cf19699b9bfc8d28b8a7e403541 /src
parent: cfe8fc894fb2e51885b7a992ea685c71baf6b769 (diff)
4 files changed, 143 insertions, 19 deletions
diff --git a/src/ffluci/cbi.lua b/src/ffluci/cbi.lua
index de02699de..fc8b1aed3 100644
--- a/src/ffluci/cbi.lua
+++ b/src/ffluci/cbi.lua
@@ -25,8 +25,10 @@ limitations under the License.
 
 ]]--
 module("ffluci.cbi", package.seeall)
+require("ffluci.template")
 require("ffluci.util")
 local class = ffluci.util.class
+local instanceof = ffluci.util.instanceof
 
 
 -- Node pseudo abstract class
@@ -36,6 +38,7 @@ function Node.__init__(self, title, description)
 	self.children = {}
 	self.title = title
 	self.description = description
+	self.template = "cbi/node"
 end
 
 function Node.append(self, obj)
@@ -43,13 +46,129 @@ function Node.append(self, obj)
 end
 
 
--- CBI Map
+--[[
+Map - A map describing a configuration file 
+]]--
 Map = class(Node)
 
-function Map.__init__(self, ...)
+function Map.__init__(self, config, ...)
+	Node.__init__(self, ...)
+	self.config = config
+	self.template = "cbi/map"
+end
+
+function Map.render(self)
+	ffluci.template.render(self.template)
+end
+
+function Map.section(self, class, ...)
+	if instanceof(class, AbstractClass) then
+		local obj = class(...)
+		obj.map = self
+		table.insert(self.children, obj)
+		return obj
+	else
+		error("class must be a descendent of AbstractSection")
+	end
+end
+
+
+--[[
+AbstractSection
+]]--
+AbstractSection = class(Node)
+
+function AbstractSection.__init__(self, ...)
+	Node.__init__(self, ...)
+end
+
+function AbstractSection.option(self, class, ...)
+	if instanceof(class, AbstractValue) then
+		local obj = class(...)
+		obj.section = self
+		obj.map     = self.map
+		table.insert(self.children, obj)
+		return obj
+	else
+		error("class must be a descendent of AbstractValue")
+	end	
+end
+	
+
+
+--[[
+NamedSection - A fixed configuration section defined by its name
+]]--
+NamedSection = class(AbstractSection)
+
+function NamedSection.__init__(self, section, ...)
+	AbstractSection.__init__(self, ...)
+	self.section = section
+	self.template = "cbi/nsection"
+end
+
+
+--[[
+TypedSection - A (set of) configuration section(s) defined by the type
+	addremove: 	Defines whether the user can add/remove sections of this type
+	anonymous:  Allow creating anonymous sections
+	valid: 		a table with valid names or a function returning nil if invalid
+]]--
+TypedSection = class(AbstractSection)
+
+function TypedSection.__init__(self, sectiontype, ...)
+	AbstractSection.__init__(self, ...)
+	self.sectiontype = sectiontype
+	self.template  = "cbi/tsection"
+	
+	self.addremove = true
+	self.anonymous = false
+	self.valid     = nil
+end
+
+
+--[[
+AbstractValue - An abstract Value Type
+	null:		Value can be empty
+	valid:		A table with valid names or a function returning nil if invalid
+	depends:	A table of option => value pairs of which one must be true
+]]--
+AbstractValue = class(Node)
+
+function AbstractValue.__init__(self, option, ...)
 	Node.__init__(self, ...)
+	self.option  = option
+	
+	self.null    = true
+	self.valid   = nil
+	self.depends = nil
 end
+	
+
+--[[
+Value - A one-line value 
+	maxlength:	The maximum length
+	isnumber:	The value must be a valid (floating point) number
+	isinteger:  The value must be a valid integer
+]]--
+Value = class(AbstractValue)
 
-function Map.render(self, template)
-	-- ToDo
+function Value.__init__(self, ...)
+	AbstractValue.__init__(self, ...)
+	self.template  = "cbi/value"
+	
+	self.maxlength = nil
+	self.isnumber  = false
+	self.isinteger = false
 end
+
+
+--[[
+Boolean - A simple boolean value 	
+]]--
+Boolean = class(AbstractValue)
+
+function Boolean.__init__(self, ...)
+	AbstractValue.__init__(self, ...)
+	self.template = "cbi/boolean"
+end
+\ No newline at end of file
diff --git a/src/ffluci/dispatcher.lua b/src/ffluci/dispatcher.lua
index bf2ac511e..d2998aa49 100644
--- a/src/ffluci/dispatcher.lua
+++ b/src/ffluci/dispatcher.lua
@@ -104,13 +104,9 @@ end
 function error404(message)
 	message = message or "Not Found"
 	
-	local s, t = pcall(ffluci.template.Template, "error404")
-	
-	if not s then
+	if not pcall(ffluci.template.render, "error404") then
 		ffluci.http.textheader()
 		print(message)
-	else
-		t:render()
 	end
 	return false	
 end
@@ -119,13 +115,9 @@ end
 function error500(message)
 	ffluci.http.status(500, "Internal Server Error")
 	
-	local s, t = pcall(ffluci.template.Template, "error500")
-	
-	if not s then
+	if not pcall(ffluci.template.render, "error500") then
 		ffluci.http.textheader()
 		print(message)
-	else
-		t:render()
 	end
 	return false	
 end
@@ -155,12 +147,8 @@ function simpleview(request)
 	local disp = require("ffluci.dispatcher")
 	
 	i18n.loadc(request.module)
-	local s, t = pcall(tmpl.Template, request.module .. "/" .. request.action)
-	
-	if not s then
+	if not pcall(tmpl.render, request.module .. "/" .. request.action) then
 		disp.error404()
-	else
-		t:render()
 	end
 end
 
diff --git a/src/ffluci/util.lua b/src/ffluci/util.lua
index 6e0d8675a..4f0551e69 100644
--- a/src/ffluci/util.lua
+++ b/src/ffluci/util.lua
@@ -92,6 +92,7 @@ function exec(command)
 	return data
 end
 
+
 -- Runs "command" and returns its output as a array of lines
 function execl(command)
 	local pp   = io.popen(command)	
@@ -108,6 +109,7 @@ function execl(command)
 	return data
 end
 
+
 -- Populate obj in the scope of f as key 
 function extfenv(f, key, obj)
 	local scope = getfenv(f)
@@ -116,6 +118,19 @@ function extfenv(f, key, obj)
 end
 
 
+-- Checks whether an object is an instanceof class
+function instanceof(object, class)
+	local meta = getmetatable(object)
+    while meta and meta.__index do 
+    	if meta.__index == class then
+    		return true
+    	end
+        meta = getmetatable(meta.__index)
+    end
+    return false	
+end
+
+
 -- Updates the scope of f with "extscope"
 function updfenv(f, extscope)
 	local scope = getfenv(f)
@@ -125,6 +140,7 @@ function updfenv(f, extscope)
 	setfenv(f, scope)
 end
 
+
 -- Returns the filename of the calling script
 function __file__()
 	return debug.getinfo(2, 'S').source:sub(2)
diff --git a/src/ffluci/view/header.htm b/src/ffluci/view/header.htm
index 44826f059..cef95b36c 100644
--- a/src/ffluci/view/header.htm
+++ b/src/ffluci/view/header.htm
@@ -11,6 +11,7 @@ require("ffluci.http").htmlheader()
 <head>
 <link rel="stylesheet" type="text/css" href="<%=media%>/cascade.css" />
 <title>FFLuCI</title>
+<% if addheaders then write(addheaders) end %>
 </head>
 <body>
 <div id="header">
author	Steven Barth <steven@midlink.org>	2008-03-17 21:38:03 +0000
committer	Steven Barth <steven@midlink.org>	2008-03-17 21:38:03 +0000
commit	f41539e5493dc8ba3059730f77a6fbb7595aae5a (patch)
tree	ad97b3bdd8739cf19699b9bfc8d28b8a7e403541 /src
parent	cfe8fc894fb2e51885b7a992ea685c71baf6b769 (diff)