32 lines
841 B
Lua
32 lines
841 B
Lua
|
-- this function compares if two tables are equal
|
||
|
|
local function equals(o1, o2, ignore_mt)
|
||
|
|
if o1 == o2 then return true end
|
||
|
|
local o1Type = type(o1)
|
||
|
|
local o2Type = type(o2)
|
||
|
|
if o1Type ~= o2Type then return false end
|
||
|
|
if o1Type ~= 'table' then return false end
|
||
|
|
|
||
|
|
if not ignore_mt then
|
||
|
|
local mt1 = getmetatable(o1)
|
||
|
|
if mt1 and mt1.__eq then
|
||
|
|
--compare using built in method
|
||
|
|
return o1 == o2
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
local keySet = {}
|
||
|
|
|
||
|
|
for key1, value1 in pairs(o1) do
|
||
|
|
local value2 = o2[key1]
|
||
|
|
if value2 == nil or equals(value1, value2, ignore_mt) == false then
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
keySet[key1] = true
|
||
|
|
end
|
||
|
|
|
||
|
|
for key2, _ in pairs(o2) do
|
||
|
|
if not keySet[key2] then return false end
|
||
|
|
end
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
return {equals=equals}
|