Revert UVL optimizations

[project/luci.git] / libs / uvl / luasrc / uvl / dependencies.lua

diff --git a/libs/uvl/luasrc/uvl/dependencies.lua b/libs/uvl/luasrc/uvl/dependencies.lua
index ed5770f..3aa3c73 100644 (file)
--- a/libs/uvl/luasrc/uvl/dependencies.lua
+++ b/libs/uvl/luasrc/uvl/dependencies.lua
@@ -21,20 +21,31 @@ local ERR = luci.uvl.errors
 function _parse_reference( r, c, s, o )
        local ref  = { }
        local vars = {
-               config  = c,
-               section = s,
-               option  = o
+               config  = ( c or '$config'  ),
+               section = ( s or '$section' ),
+               option  = ( o or '$option'  )
        }
 
-       for v in r:gmatch("[^.]+") do
-               table.insert(ref, (v:gsub( "%$(.+)", vars )))
+       for i, v in ipairs(luci.util.split(r,".")) do
+               table.insert(ref, (v:gsub( "%$(.+)", function(n) return vars[n] end )))
        end
-       
-       if #ref < 2 then
-               table.insert(ref, 1, s or '$section')
-       end
-       if #ref < 3 then
-               table.insert(ref, 1, c or '$config')
+
+       if c or s then
+               if #ref == 1 and c and s then
+                       ref = { c, s, ref[1] }
+               elseif #ref == 2 and c then
+                       ref = { c, unpack(ref) }
+               elseif #ref ~= 3 then
+                       ref = nil
+               end
+       else
+               if #ref == 1 then
+                       ref = { '$config', '$section', ref[1] }
+               elseif #ref == 2 then
+                       ref = { '$config', unpack(ref) }
+               elseif #ref ~= 3 then
+                       ref = nil
+               end
        end
 
        return ref