libs/uci: implement get_bool() to retrive uci variables as boolean value

diff --git a/libs/uci/luasrc/model/uci.lua b/libs/uci/luasrc/model/uci.lua
index ecb8f47..5b8cf67 100644 (file)
--- a/libs/uci/luasrc/model/uci.lua
+++ b/libs/uci/luasrc/model/uci.lua
@@ -60,7 +60,7 @@ local Cursor = getmetatable(cursor())
 function Cursor.apply(self, configlist, command)
        configlist = self:_affected(configlist)
        local reloadcmd = "/sbin/luci-reload " .. table.concat(configlist, " ")
-       
+
        return command and reloadcmd or os.execute(reloadcmd .. " >/dev/null 2>&1")
 end
 
@@ -72,7 +72,7 @@ end
 -- returns a boolean whether to delete the current section (optional)
 function Cursor.delete_all(self, config, stype, comparator)
        local del = {}
-       
+
        if type(comparator) == "table" then
                local tbl = comparator
                comparator = function(section)
@@ -80,11 +80,11 @@ function Cursor.delete_all(self, config, stype, comparator)
                                if section[k] ~= v then
                                        return false
                                end
-                       end 
+                       end
                        return true
                end
        end
-       
+
        local function helper (section)
 
                if not comparator or comparator(section) then
@@ -135,6 +135,16 @@ function Cursor.tset(self, config, section, values)
        return stat
 end
 
+--- Get a boolean option and return it's value as true or false.
+-- @param config       UCI config
+-- @param section      UCI section name
+-- @param option       UCI option
+-- @return                     Boolean
+function Cursor.get_bool(self, ...)
+       local val = self:get(...)
+       return ( val == "1" or val == "true" or val == "yes" or val == "on" )
+end
+
 --- Get an option or list and return values as table.
 -- @param config       UCI config
 -- @param section      UCI section name
@@ -177,7 +187,7 @@ function Cursor._affected(self, configlist)
        local function _resolve_deps(name)
                local reload = {name}
                local deps = {}
-       
+
                c:foreach("ucitrack", name,
                        function(section)
                                if section.affects then
@@ -186,16 +196,16 @@ function Cursor._affected(self, configlist)
                                        end
                                end
                        end)
-               
+
                for i, dep in ipairs(deps) do
                        for j, add in ipairs(_resolve_deps(dep)) do
                                reload[#reload+1] = add
                        end
                end
-               
+
                return reload
        end
-       
+
        -- Collect initscripts
        for j, config in ipairs(configlist) do
                for i, e in ipairs(_resolve_deps(config)) do
@@ -204,7 +214,7 @@ function Cursor._affected(self, configlist)
                        end
                end
        end
-       
+
        return reloadlist
 end