function class(super, classname)
local superType = type(super)
local cls
if superType ~= "function" and superType ~= "table" then
superType = nil
super = nil
end
if superType == "function" or (super and super.__ctype == 1) then
-- inherited from native C++ Object
cls = {}
if superType == "table" then
-- copy fields from super
for k,v in pairs(super) do cls[k] = v end
cls.__create = super.__create
cls.super = super
else
cls.__create = super
cls.ctor = function() end
end
cls.__cname = classname
cls.__ctype = 1
function cls.new(...)
local instance = cls.__create(...)
-- copy fields from class to native object
for k,v in pairs(cls) do instance[k] = v end
instance.class = cls
instance:ctor(...)
return instance
end
else
-- inherited from Lua Object
if super then
cls = clone(super)
cls.super = super
else
cls = {ctor = function() end}
end
cls.__cname = classname
cls.__ctype = 2 -- lua
cls.__index = cls
function cls.new(...)
local instance = setmetatable({}, cls)
instance.class = cls
instance:ctor(...)
return instance
end
end
function cls.attach(instance, ...)
for k,v in pairs(cls) do instance[k] = v end
instance.class = cls
instance:ctor(...)
return instance
end
function cls.isSubClassOf(class)
local classTable = cls
while classTable do
if classTable == class then
return true
else
classTable = classTable.super
end
end
return false
end
function cls.isTypeOf(instance, class)
return cls.isSubClassOf(class)
end
return cls文章来源：https://www.toymoban.com/news/detail-507977.html
end文章来源地址https://www.toymoban.com/news/detail-507977.html
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