356 lines
11 KiB
Swift
356 lines
11 KiB
Swift
//
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// Common+Ext.swift
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// Crush
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//
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// Created by Leon on 2025/7/11.
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//
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import Foundation
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/// 打印
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//func dlog<T>(_ message: T, file: StaticString = #file, method: String = #function, line: Int = #line) {
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// #if DEBUG
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// let fileName = (file.description as NSString).lastPathComponent
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// print("🔹\(fileName) \(method)[\(line)]:\n\(message)\n")
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// #endif
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//}
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func dlog<T>(_ message: T, file: StaticString = #file, method: String = #function, line: Int = #line) {
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#if DEBUG
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let fileName = (file.description as NSString).lastPathComponent
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print("🔹\(fileName) \(method)[\(line)]:\n\(message)\n")
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#endif
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}
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struct EmptyModel: Codable {}
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// MARK: - DecodableValue
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enum DecodableValue: Decodable, Encodable {
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case string(String)
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case int(Int)
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case double(Double)
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case bool(Bool)
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case array([DecodableValue])
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case dictionary([String: DecodableValue])
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case null
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init(from decoder: Decoder) throws {
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let container = try decoder.singleValueContainer()
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if container.decodeNil() {
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self = .null
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} else if let b = try? container.decode(Bool.self) {
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self = .bool(b)
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} else if let i = try? container.decode(Int.self) {
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self = .int(i)
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} else if let d = try? container.decode(Double.self) {
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self = .double(d)
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} else if let s = try? container.decode(String.self) {
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self = .string(s)
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} else if let a = try? container.decode([DecodableValue].self) {
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self = .array(a)
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} else if let dict = try? container.decode([String: DecodableValue].self) {
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self = .dictionary(dict)
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} else {
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throw DecodingError.dataCorruptedError(
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in: container,
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debugDescription: "Unsupported value"
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)
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}
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}
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// MARK: - Encodable
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func encode(to encoder: Encoder) throws {
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var container = encoder.singleValueContainer()
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switch self {
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case .null:
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try container.encodeNil()
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case .bool(let b):
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try container.encode(b)
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case .int(let i):
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try container.encode(i)
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case .double(let d):
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try container.encode(d)
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case .string(let s):
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try container.encode(s)
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case .array(let a):
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try container.encode(a)
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case .dictionary(let d):
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try container.encode(d)
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}
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}
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}
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extension Encodable {
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func toNonNilDictionary() -> [String: Any] {
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return Self._toDictionary(value: self)
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}
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private static func _toDictionary(value: Any) -> [String: Any] {
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var result: [String: Any] = [:]
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let mirror = Mirror(reflecting: value)
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for child in mirror.children {
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guard let key = child.label else { continue }
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let rawValue = child.value
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let valueMirror = Mirror(reflecting: rawValue)
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// 处理 Optional 类型
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if valueMirror.displayStyle == .optional {
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if let some = valueMirror.children.first?.value {
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let processedValue = processValue(some)
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if !isNil(processedValue) {
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result[key] = processedValue
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}
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}
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continue
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}
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// 处理值
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let processedValue = processValue(rawValue)
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if !isNil(processedValue) {
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result[key] = processedValue
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}
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}
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return result
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}
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private static func processValue(_ value: Any) -> Any {
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if let rawRepresentable = value as? (any RawRepresentable) {
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return rawRepresentable.rawValue
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}
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// 处理特定类型（如 Sex 枚举）
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if let sex = value as? Sex {
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return sex.rawValue
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}
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// 处理 Encodable 类型（嵌套结构体或类）
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if let encodableValue = value as? Encodable {
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let mirror = Mirror(reflecting: encodableValue)
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// 处理数组或集合
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if mirror.displayStyle == .collection {
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return mirror.children.compactMap { child in
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let processed = processValue(child.value)
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return isNil(processed) ? nil : processed
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}
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}
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// 处理嵌套结构体或类
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if mirror.displayStyle == .class || mirror.displayStyle == .struct || mirror.displayStyle == .set {
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return _toDictionary(value: encodableValue)
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}
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}
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return value
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}
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// 辅助函数：检查值是否为 nil
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private static func isNil(_ value: Any) -> Bool {
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let mirror = Mirror(reflecting: value)
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return mirror.displayStyle == .optional && mirror.children.isEmpty
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}
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// func toNonNilDictionary() -> [String: Any] {
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// return Self._toDictionary(value: self)
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// }
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// private static func _toDictionary(value: Any) -> [String: Any] {
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// var result: [String: Any] = [:]
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// let mirror = Mirror(reflecting: value)
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//
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// for child in mirror.children {
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// guard let key = child.label else { continue }
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//
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// let rawValue = child.value
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// let valueMirror = Mirror(reflecting: rawValue)
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//
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// // Optional 类型处理
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// if valueMirror.displayStyle == .optional {
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// if let some = valueMirror.children.first?.value {
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// result[key] = processValue(some)
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// }
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// } else {
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// result[key] = processValue(rawValue)
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// }
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// }
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//
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// return result
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// }
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//
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// private static func processValue(_ value: Any) -> Any {
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// let mirror = Mirror(reflecting: value)
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//
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// // 递归处理 Optional
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// if mirror.displayStyle == .optional {
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// if let some = mirror.children.first?.value {
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// return processValue(some) // 递归处理解包后的值
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// } else {
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// return ""// NSNull() // 或者直接 return "" 视你的需求
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// }
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// }
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//
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// if let sex = value as? Sex {
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// return sex.rawValue
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// }
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//
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// if let encodableValue = value as? Encodable {
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// let mirror = Mirror(reflecting: encodableValue)
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//
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// if mirror.displayStyle == .class || mirror.displayStyle == .struct || mirror.displayStyle == .set {
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// return _toDictionary(value: encodableValue)
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// }
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// }
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//
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// return value
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// }
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// MARK: - part 2
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/// 将结构体中指定 key 的字段（如果非 nil）导出为字典
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func toPartialDictionary(keys includedKeys: Set<String> = []) -> [String: Any] {
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return Self._toDictionary(value: self, onlyIncludeKeys: includedKeys)
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}
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private static func _toDictionary(value: Any, onlyIncludeKeys: Set<String>? = nil) -> [String: Any] {
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var result: [String: Any] = [:]
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let mirror = Mirror(reflecting: value)
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for child in mirror.children {
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guard let key = child.label else { continue }
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if let allowedKeys = onlyIncludeKeys, !allowedKeys.contains(key) {
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continue
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}
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let rawValue = child.value
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let valueMirror = Mirror(reflecting: rawValue)
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if valueMirror.displayStyle == .optional {
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if let some = valueMirror.children.first?.value {
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result[key] = processValue(some, onlyIncludeKeys: nil)
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}
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} else {
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result[key] = processValue(rawValue, onlyIncludeKeys: nil)
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}
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}
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return result
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}
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/// 支持将Sex输出为int
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private static func processValue(_ value: Any, onlyIncludeKeys: Set<String>?) -> Any {
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let mirror = Mirror(reflecting: value)
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if mirror.displayStyle == .struct {
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return _toDictionary(value: value, onlyIncludeKeys: onlyIncludeKeys)
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} else if let rawRepresentable = value as? any RawRepresentable {
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return rawRepresentable.rawValue
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} else {
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return value
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}
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}
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}
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extension Array where Element: Equatable {
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mutating func removeObj(_ object: Element) {
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if let index = firstIndex(of: object) {
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remove(at: index)
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}
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}
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}
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// MARK: - 通用扩展
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extension Optional {
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/// 是否为 nil
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var isNil: Bool { self == nil }
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/// 是否有值
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var isSome: Bool { self != nil }
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}
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extension Optional where Wrapped == Int {
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/// 是否大于 0
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var isPositive: Bool { (self ?? 0) > 0 }
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/// 是否为负数
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var isNegative: Bool { (self ?? 0) < 0 }
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/// 是否为 nil 或 0
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var isNilOrZero: Bool { self == nil || self == 0 }
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/// 转字符串（nil → ""）
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var stringValue: String { self.map { "\($0)" } ?? "" }
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}
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extension Optional where Wrapped == String {
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/// 是否为空串或 nil
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var isNilOrEmpty: Bool { self?.isEmpty ?? true }
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/// 去除空格后的安全字符串
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var trimmed: String { self?.trimmingCharacters(in: .whitespacesAndNewlines) ?? "" }
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/// 转 Int（失败或 nil 返回 nil）
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var intValue: Int? { self.flatMap { Int($0) } }
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/// 转 Double（失败或 nil 返回 nil）
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var doubleValue: Double? { self.flatMap { Double($0) } }
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}
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extension Optional where Wrapped == Bool {
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/// 默认 false
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var boolValue: Bool { self ?? false }
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/// 默认 true
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var trueOrNil: Bool { self ?? true }
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}
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extension Double {
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func formatted(decimal: Int = 2, asPercent: Bool = false, usesGroupingSeparator: Bool = true) -> String {
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// let formatter = NumberFormatter()
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// formatter.minimumFractionDigits = decimal
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// formatter.maximumFractionDigits = decimal
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// formatter.numberStyle = .decimal
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// return formatter.string(from: NSNumber(value: self)) ?? "\(self)"
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let value = asPercent ? self * 100 : self
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let formatter = NumberFormatter()
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formatter.minimumFractionDigits = decimal
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formatter.maximumFractionDigits = decimal
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formatter.usesGroupingSeparator = usesGroupingSeparator
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formatter.numberStyle = .decimal
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let result = formatter.string(from: NSNumber(value: value)) ?? "\(value)"
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return asPercent ? result + "%" : result
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}
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}
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extension CGFloat {
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func formatted(decimal: Int = 2, asPercent: Bool = false, usesGroupingSeparator: Bool = true) -> String {
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let value = asPercent ? self * 100 : self
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let formatter = NumberFormatter()
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formatter.minimumFractionDigits = decimal
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formatter.maximumFractionDigits = decimal
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formatter.usesGroupingSeparator = usesGroupingSeparator
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formatter.numberStyle = .decimal
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let result = formatter.string(from: NSNumber(value: value)) ?? "\(value)"
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return asPercent ? result + "%" : result
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}
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}
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extension Dictionary {
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func merged(with other: Dictionary, preferNew: Bool = true) -> Dictionary {
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return self.merging(other) { old, new in preferNew ? new : old }
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}
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}
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