Tokamak/Sources/TokamakCore/ViewTree.swift

67 lines
1.8 KiB
Swift

// Copyright 2018-2020 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Created by Carson Katri on 8/5/20.
//
import Runtime
extension ObjectIdentifier: Encodable {
public func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(hashValue)
}
}
public final class ViewTree<R: Renderer> {
public enum Context {
case firstRender
case update
}
public struct Node: Encodable, Hashable {
let type: String
let isPrimitive: Bool
let isHost: Bool
let dynamicProperties: [String]
let target: String?
var id: ObjectIdentifier
var parent: ObjectIdentifier?
public static func == (lhs: Self, rhs: Self) -> Bool {
lhs.id == rhs.id
}
init(type: Any.Type,
isPrimitive: Bool,
isHost: Bool,
dynamicProperties: [String] = [],
target: R.TargetType? = nil,
object: MountedElement<R>,
parent: MountedElement<R>? = nil) {
self.type = "\(type)"
id = ObjectIdentifier(object)
self.isPrimitive = isPrimitive
self.isHost = isHost
self.dynamicProperties = dynamicProperties
self.target = target?.debugIdentifier
if let parent = parent {
self.parent = ObjectIdentifier(parent)
} else {
self.parent = nil
}
}
}
}