109 lines
2.5 KiB
Lua
109 lines
2.5 KiB
Lua
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--[[
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LuCI - UCI mpdel
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Description:
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Generalized UCI model
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FileId:
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$Id$
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License:
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Copyright 2008 Steven Barth <steven@midlink.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]--
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local uci = require("uci")
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local util = require("luci.util")
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local setmetatable = setmetatable
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local rawget = rawget
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local rawset = rawset
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local error = error
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local tostring = tostring
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module("luci.model.uci", function(m) setmetatable(m, {__index = uci}) end)
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local configs_mt = {}
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local sections_mt = {}
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local options_mt = {}
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config = {}
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setmetatable(config, configs_mt)
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-- Level 1 (configs)
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function configs_mt.__index(self, key)
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local node = rawget(self, key)
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if not node then
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node = {}
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node[".name"] = key
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setmetatable(node, sections_mt)
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rawset(self, key, node)
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end
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return node
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end
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function configs_mt.__newindex()
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error("invalid operation")
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end
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-- Level 2 (sections)
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function sections_mt.__index(self, key)
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local node = rawget(self, key)
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if not node then
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node = {}
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node[".conf"] = self[".name"]
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node[".name"] = key
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node[".type"] = uci.get(self[".name"], key)
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setmetatable(node, options_mt)
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rawset(self, key, node)
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end
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return node
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end
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function sections_mt.__newindex(self, key, value)
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if not value then
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if uci.delete(self[".name"], key) then
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rawset(self, key, nil)
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else
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error("unable to delete section")
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end
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elseif key == "" then
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key = uci.add(self[".name"], tostring(value))
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if key then
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rawset(self, "", self[key])
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else
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error("unable to create section")
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end
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else
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if not uci.set(self[".name"], key, value) then
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error("unable to create section")
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end
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end
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end
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-- Level 3 (options)
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function options_mt.__index(self, key)
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return uci.get(self[".conf"], self[".name"], key)
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end
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function options_mt.__newindex(self, key, value)
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if not value then
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if not uci.delete(self[".conf"], self[".name"], key) then
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error("unable to delete option")
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end
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else
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if not uci.set(self[".conf"], self[".name"], key, tostring(value)) then
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error("unable to write option")
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end
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end
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end
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