Implemented dispatching tree modifiers

diff --git a/libs/web/luasrc/dispatcher.lua b/libs/web/luasrc/dispatcher.lua
index 2323cf8d2980f5352b4f8bb03b8a76197b8921e8..b48b58487a1915eb3915c17c18989206f5cb54f0 100644 (file)
--- a/libs/web/luasrc/dispatcher.lua
+++ b/libs/web/luasrc/dispatcher.lua
@@ -354,9 +354,11 @@ function createtree()
 
        local ctx  = context
        local tree = {nodes={}}
+       local modi = {}
 
        ctx.treecache = setmetatable({}, {__mode="v"})
        ctx.tree = tree
+       ctx.modifiers = modi
 
        -- Load default translation
        require "luci.i18n".loadc("default")
@@ -369,9 +371,30 @@ function createtree()
                v()
        end
 
+       local function modisort(a,b)
+               return modi[a].order < modi[b].order
+       end
+
+       for _, v in util.spairs(modi, modisort) do
+               scope._NAME = v.module
+               setfenv(v.func, scope)
+               v.func()
+       end
+
        return tree
 end
 
+--- Register a tree modifier.
+-- @param      func    Modifier function
+-- @param      order   Modifier order value (optional)
+function modifier(func, order)
+       context.modifiers[#context.modifiers+1] = {
+               func = func,
+               order = order or 0,
+               module = getfenv(2)._NAME
+       }
+end
+
 --- Clone a node of the dispatching tree to another position.
 -- @param      path    Virtual path destination
 -- @param      clone   Virtual path source