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Protecd UI Content's metatable

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This commit is contained in:
uramer 2023-01-30 23:22:18 +01:00
parent 259f104311
commit c7b0c0a406
1 changed files with 6 additions and 2 deletions
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8
components/lua_ui/content.lua
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@ -6,7 +6,7 @@ M.new = function(source)
result.__nameIndex = {}
for i, v in ipairs(source) do
if type(v) ~= 'table' then
error("Content can only contain tables")
error('Content can only contain tables')
end
result[i] = v
if type(v.name) == 'string' then
@ -28,7 +28,7 @@ local function getIndexFromKey(self, key)
if type(key) == 'string' then
index = self.__nameIndex[key]
if not index then
error("Unexpected content key:" .. key)
error('Unexpected content key:' .. key)
end
end
validateIndex(self, index)
@ -130,6 +130,10 @@ M.__pairs = function(self)
return next, self, 1
end
M.__ipairs = M.__pairs
M.__metatable = {}
assert(not pcall(function() setmetatable(M.new({}), {}) end), 'Metatable is not protected')
assert(getmetatable(M.new) ~= M, 'Metatable is not protected')
return M
)"