| import Foundation |
|
|
| |
| |
| |
| public struct AnyCodable: Codable, @unchecked Sendable, Hashable { |
| public let value: Any |
|
|
| public init(_ value: Any) { self.value = Self.normalize(value) } |
|
|
| public init(from decoder: Decoder) throws { |
| let container = try decoder.singleValueContainer() |
| if let boolVal = try? container.decode(Bool.self) { self.value = boolVal; return } |
| if let intVal = try? container.decode(Int.self) { self.value = intVal; return } |
| if let doubleVal = try? container.decode(Double.self) { self.value = doubleVal; return } |
| if let stringVal = try? container.decode(String.self) { self.value = stringVal; return } |
| if container.decodeNil() { self.value = NSNull(); return } |
| if let dict = try? container.decode([String: AnyCodable].self) { self.value = dict; return } |
| if let array = try? container.decode([AnyCodable].self) { self.value = array; return } |
| throw DecodingError.dataCorruptedError(in: container, debugDescription: "Unsupported type") |
| } |
|
|
| public func encode(to encoder: Encoder) throws { |
| var container = encoder.singleValueContainer() |
| switch self.value { |
| case let boolVal as Bool: try container.encode(boolVal) |
| case let intVal as Int: try container.encode(intVal) |
| case let doubleVal as Double: try container.encode(doubleVal) |
| case let stringVal as String: try container.encode(stringVal) |
| case let number as NSNumber where CFGetTypeID(number) == CFBooleanGetTypeID(): |
| try container.encode(number.boolValue) |
| case is NSNull: try container.encodeNil() |
| case let dict as [String: AnyCodable]: try container.encode(dict) |
| case let array as [AnyCodable]: try container.encode(array) |
| case let dict as [String: Any]: |
| try container.encode(dict.mapValues { AnyCodable($0) }) |
| case let array as [Any]: |
| try container.encode(array.map { AnyCodable($0) }) |
| case let dict as NSDictionary: |
| var converted: [String: AnyCodable] = [:] |
| for (k, v) in dict { |
| guard let key = k as? String else { continue } |
| converted[key] = AnyCodable(v) |
| } |
| try container.encode(converted) |
| case let array as NSArray: |
| try container.encode(array.map { AnyCodable($0) }) |
| default: |
| let context = EncodingError.Context( |
| codingPath: encoder.codingPath, |
| debugDescription: "Unsupported type") |
| throw EncodingError.invalidValue(self.value, context) |
| } |
| } |
|
|
| private static func normalize(_ value: Any) -> Any { |
| if let number = value as? NSNumber, CFGetTypeID(number) == CFBooleanGetTypeID() { |
| return number.boolValue |
| } |
| return value |
| } |
|
|
| public static func == (lhs: AnyCodable, rhs: AnyCodable) -> Bool { |
| switch (lhs.value, rhs.value) { |
| case let (l as Bool, r as Bool): l == r |
| case let (l as Int, r as Int): l == r |
| case let (l as Double, r as Double): l == r |
| case let (l as String, r as String): l == r |
| case (_ as NSNull, _ as NSNull): true |
| case let (l as [String: AnyCodable], r as [String: AnyCodable]): l == r |
| case let (l as [AnyCodable], r as [AnyCodable]): l == r |
| default: |
| false |
| } |
| } |
|
|
| public func hash(into hasher: inout Hasher) { |
| switch self.value { |
| case let v as Bool: |
| hasher.combine(2); hasher.combine(v) |
| case let v as Int: |
| hasher.combine(0); hasher.combine(v) |
| case let v as Double: |
| hasher.combine(1); hasher.combine(v) |
| case let v as String: |
| hasher.combine(3); hasher.combine(v) |
| case _ as NSNull: |
| hasher.combine(4) |
| case let v as [String: AnyCodable]: |
| hasher.combine(5) |
| for (k, val) in v.sorted(by: { $0.key < $1.key }) { |
| hasher.combine(k) |
| hasher.combine(val) |
| } |
| case let v as [AnyCodable]: |
| hasher.combine(6) |
| for item in v { |
| hasher.combine(item) |
| } |
| default: |
| hasher.combine(999) |
| } |
| } |
| } |
|
|
