mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
762057f711
Co-authored-by: Ehsan Nasiri <ehsann@google.com> Co-authored-by: dlarocque <daniellrq@outlook.com> Co-authored-by: Daniel La Rocque <dlarocque@google.com> Co-authored-by: cherylEnkidu <cheryllin@google.com> Co-authored-by: cherylEnkidu <96084918+cherylEnkidu@users.noreply.github.com> Co-authored-by: Daymon <daymxn@google.com>
68 lines
2.5 KiB
Swift
68 lines
2.5 KiB
Swift
/*
|
|
* Copyright 2025 Google LLC
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#if SWIFT_PACKAGE
|
|
@_exported import FirebaseFirestoreInternalWrapper
|
|
#else
|
|
@_exported import FirebaseFirestoreInternal
|
|
#endif // SWIFT_PACKAGE
|
|
|
|
/**
|
|
* A protocol describing the encodable properties of an BSONTimestamp.
|
|
*
|
|
* Note: this protocol exists as a workaround for the Swift compiler: if the BSONTimestamp class
|
|
* was extended directly to conform to Codable, the methods implementing the protocol would be need
|
|
* to be marked required but that can't be done in an extension. Declaring the extension on the
|
|
* protocol sidesteps this issue.
|
|
*/
|
|
private protocol CodableBSONTimestamp: Codable {
|
|
var seconds: UInt32 { get }
|
|
var increment: UInt32 { get }
|
|
|
|
init(seconds: UInt32, increment: UInt32)
|
|
}
|
|
|
|
/** The keys in an BSONTimestamp. Must match the properties of CodableBSONTimestamp. */
|
|
private enum BSONTimestampKeys: String, CodingKey {
|
|
case seconds
|
|
case increment
|
|
}
|
|
|
|
/**
|
|
* An extension of BSONTimestamp that implements the behavior of the Codable protocol.
|
|
*
|
|
* Note: this is implemented manually here because the Swift compiler can't synthesize these methods
|
|
* when declaring an extension to conform to Codable.
|
|
*/
|
|
extension CodableBSONTimestamp {
|
|
public init(from decoder: Decoder) throws {
|
|
let container = try decoder.container(keyedBy: BSONTimestampKeys.self)
|
|
let seconds = try container.decode(UInt32.self, forKey: .seconds)
|
|
let increment = try container.decode(UInt32.self, forKey: .increment)
|
|
self.init(seconds: seconds, increment: increment)
|
|
}
|
|
|
|
public func encode(to encoder: Encoder) throws {
|
|
var container = encoder.container(keyedBy: BSONTimestampKeys.self)
|
|
try container.encode(seconds, forKey: .seconds)
|
|
try container.encode(increment, forKey: .increment)
|
|
}
|
|
}
|
|
|
|
/** Extends BSONTimestamp to conform to Codable. */
|
|
extension FirebaseFirestore.BSONTimestamp: FirebaseFirestore.CodableBSONTimestamp {}
|
|
extension FirebaseFirestore.BSONTimestamp: @retroactive Codable {}
|