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| import Foundation
typealias DynamicKVType = [String: Any]
protocol DynamicKV {
func dict() -> DynamicKVType
func assignment(_ with: DynamicKVType)
}
extension DynamicKV {
func dict() -> DynamicKVType {
var dict = DynamicKVType()
Mirror(reflecting: self).children.forEach {
guard let k = $0.label else { return }
if let v = $0.value as? DynamicKV {
dict[k] = v.dict()
} else {
dict[k] = $0.value
}
}
return dict
}
func assignment(_ with: DynamicKVType) {
Mirror(reflecting: self).children.forEach {
guard let obj = self as? NSObject, let dictV = with[$0.label!], let k = $0.label else { fatalError("child leak") }
if let dkvt = dictV as? DynamicKVType, let v = $0.value as? DynamicKV {
v.assignment(dkvt)
} else {
obj.setValue(dictV, forKey: k)
}
}
}
}
class A: NSObject, DynamicKV {
var s: String = "a"
var i: Int = -1
}
class B: NSObject, DynamicKV {
var s = "b"
var a = A()
var array = [0, 1, 2, 3]
}
let b = B()
print("b.dict\t", b.dict())
b.assignment(["s": "bbbbbbb", "a": ["s": "aaaaaaa", "i": 233], "array": [-3, -2, -1]])
print("b.assignment\t", b.s, b.a.s, b.a.i, b.array)
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