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-rw-r--r--acf/model/node.lua19
1 files changed, 11 insertions, 8 deletions
diff --git a/acf/model/node.lua b/acf/model/node.lua
index 3459fce..f893d6a 100644
--- a/acf/model/node.lua
+++ b/acf/model/node.lua
@@ -48,6 +48,8 @@ function TreeNode:init(txn, path, addr)
mt.txn = txn
mt.path = path
mt.addr = addr
+
+ txn.validable[path] = true
end
function TreeNode:search(path)
@@ -67,14 +69,6 @@ Collection = class(TreeNode)
function Collection:init(txn, path, addr, field, required)
super(self, Collection):init(txn, path, addr)
- if required then
- txn.validate[path] = function()
- if #txn:get(addr) == 0 then
- raise(path, 'Collection cannot be empty')
- end
- end
- end
-
self.init = nil
self.search = nil
@@ -84,6 +78,14 @@ function Collection:init(txn, path, addr, field, required)
mt.meta = {type='collection', members=mt.field:meta('$')}
function mt.mmeta(name) return mt.meta.members end
function mt.members() return txn:get(addr) or {} end
+
+ function mt.validate()
+ if required then
+ if #txn:get(addr) == 0 then
+ raise(path, 'Collection cannot be empty')
+ end
+ end
+ end
function mt.__index(t, k) return mt.field:load(k) end
function mt.__newindex(t, k, v) mt.field:save(k, v) end
@@ -132,3 +134,4 @@ members = meta_func('members')
meta = meta_func('meta')
mmeta = meta_func('mmeta')
path = meta_func('path')
+validate = meta_func('validate')