ipairs function for TreeNode objects

1 files changed, 13 insertions, 1 deletions

diff --git a/acf/model/node.lua b/acf/model/node.lua
index 7852c9e..8028bcb 100644
--- a/acf/model/node.lua
+++ b/acf/model/node.lua
@@ -156,11 +156,23 @@ validate = meta_func('validate')
 
 
 local rawpairs = pairs
+local rawipairs = ipairs
 
 function pairs(tbl)
    if not object.isinstance(tbl, TreeNode) then return rawpairs(tbl) end
    local mt = getmetatable(tbl)
    local res = {}
-   for _, member in ipairs(mt.members()) do res[member] = mt.load(member) end
+   for _, member in rawipairs(mt.members()) do res[member] = mt.load(member) end
    return rawpairs(res)
 end
+
+local function _ipairs(mt, i)
+   i = i + 1
+   local v = mt.load(i)
+   if v == nil then return end
+   return i, v
+end
+function ipairs(tbl)
+   if not object.isinstance(tbl, TreeNode) then return rawipairs(tbl) end
+   return _ipairs, getmetatable(tbl), 0
+end