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[AltServer] Improves error messages

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This commit is contained in:
Riley Testut
2021-06-04 13:57:40 -07:00
parent e0b50ac80c
commit 558a3fc865
6 changed files with 122 additions and 32 deletions
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92
AltStore/Extensions/NSError+AltStore.swift
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@@ -1,92 +0,0 @@
//
// NSError+AltStore.swift
// AltStore
//
// Created by Riley Testut on 3/11/20.
// Copyright © 2020 Riley Testut. All rights reserved.
//
import Foundation
extension NSError
{
@objc(alt_localizedFailure)
var localizedFailure: String? {
let localizedFailure = (self.userInfo[NSLocalizedFailureErrorKey] as? String) ?? (NSError.userInfoValueProvider(forDomain: self.domain)?(self, NSLocalizedFailureErrorKey) as? String)
return localizedFailure
}
func withLocalizedFailure(_ failure: String) -> NSError
{
var userInfo = self.userInfo
userInfo[NSLocalizedFailureErrorKey] = failure
userInfo[NSLocalizedDescriptionKey] = self.localizedDescription
userInfo[NSLocalizedFailureReasonErrorKey] = self.localizedFailureReason
userInfo[NSLocalizedRecoverySuggestionErrorKey] = self.localizedRecoverySuggestion
let error = NSError(domain: self.domain, code: self.code, userInfo: userInfo)
return error
}
func sanitizedForCoreData() -> NSError
{
var userInfo = self.userInfo
userInfo[NSLocalizedFailureErrorKey] = self.localizedFailure
userInfo[NSLocalizedDescriptionKey] = self.localizedDescription
userInfo[NSLocalizedFailureReasonErrorKey] = self.localizedFailureReason
userInfo[NSLocalizedRecoverySuggestionErrorKey] = self.localizedRecoverySuggestion
// Remove non-ObjC-compliant userInfo values.
userInfo["NSCodingPath"] = nil
let error = NSError(domain: self.domain, code: self.code, userInfo: userInfo)
return error
}
}
extension Error
{
var underlyingError: Error? {
let underlyingError = (self as NSError).userInfo[NSUnderlyingErrorKey] as? Error
return underlyingError
}
}
protocol ALTLocalizedError: LocalizedError, CustomNSError
{
var failure: String? { get }
var underlyingError: Error? { get }
}
extension ALTLocalizedError
{
var errorUserInfo: [String : Any] {
let userInfo = ([
NSLocalizedDescriptionKey: self.errorDescription,
NSLocalizedFailureReasonErrorKey: self.failureReason,
NSLocalizedFailureErrorKey: self.failure,
NSUnderlyingErrorKey: self.underlyingError
] as [String: Any?]).compactMapValues { $0 }
return userInfo
}
var underlyingError: Error? {
// Error's default implementation calls errorUserInfo,
// but ALTLocalizedError.errorUserInfo calls underlyingError.
// Return nil to prevent infinite recursion.
return nil
}
var errorDescription: String? {
guard let errorFailure = self.failure else { return (self.underlyingError as NSError?)?.localizedDescription }
guard let failureReason = self.failureReason else { return errorFailure }
let errorDescription = errorFailure + " " + failureReason
return errorDescription
}
var failureReason: String? { (self.underlyingError as NSError?)?.localizedFailureReason ?? (self.underlyingError as NSError?)?.localizedDescription }
var recoverySuggestion: String? { (self.underlyingError as NSError?)?.localizedRecoverySuggestion }
var helpAnchor: String? { (self.underlyingError as NSError?)?.helpAnchor }
}