element-ios/Riot/Managers/KeyValueStorage/MemoryStore.swift

92 lines
2.2 KiB
Swift

//
// Copyright 2024 New Vector Ltd.
// Copyright 2020 Vector Creations Ltd
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Foundation
class MemoryStore {
private(set) var map: [KeyValueStoreKey: Any] = [:]
private func setObject(_ value: Any?, forKey key: KeyValueStoreKey) {
if let value = value {
map[key] = value
} else {
try? removeObject(forKey: key)
}
}
private func object(forKey key: KeyValueStoreKey) -> Any? {
return map[key]
}
init(withMap map: [KeyValueStoreKey: Any] = [:]) {
self.map = map
}
}
extension MemoryStore: KeyValueStore {
// setters
func set(_ value: Data?, forKey key: KeyValueStoreKey) throws {
setObject(value, forKey: key)
}
func set(_ value: String?, forKey key: KeyValueStoreKey) throws {
setObject(value, forKey: key)
}
func set(_ value: Bool?, forKey key: KeyValueStoreKey) throws {
setObject(value, forKey: key)
}
func set(_ value: Int?, forKey key: KeyValueStoreKey) throws {
setObject(value, forKey: key)
}
func set(_ value: UInt?, forKey key: KeyValueStoreKey) throws {
setObject(value, forKey: key)
}
// getters
func data(forKey key: KeyValueStoreKey) throws -> Data? {
return object(forKey: key) as? Data
}
func string(forKey key: KeyValueStoreKey) throws -> String? {
return object(forKey: key) as? String
}
func bool(forKey key: KeyValueStoreKey) throws -> Bool? {
return object(forKey: key) as? Bool
}
func integer(forKey key: KeyValueStoreKey) throws -> Int? {
return object(forKey: key) as? Int
}
func unsignedInteger(forKey key: KeyValueStoreKey) throws -> UInt? {
return object(forKey: key) as? UInt
}
// checkers
func containsObject(forKey key: KeyValueStoreKey) -> Bool {
return object(forKey: key) != nil
}
// remove
func removeObject(forKey key: KeyValueStoreKey) throws {
map.removeValue(forKey: key)
}
func removeAll() throws {
map.removeAll()
}
}