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Code Issues 95 Packages Projects Releases 10 Wiki Activity

allow public access to bridgeToObjectiveC and bridgeToSwift properties

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This commit is contained in:
John Estropia
2016-03-28 19:07:35 +09:00
parent eda398d758
commit b0b0df2861
29 changed files with 528 additions and 469 deletions
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255
Sources/ObjectiveC/CSError.swift
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@@ -32,20 +32,147 @@ import CoreData
/**
The `CSError` provides a facade for global CoreStore error declarations.
*/
public final class CSError: NSObject {
@objc
public final class CSError: NSError, CoreStoreObjectiveCType {
/**
The `NSError` error domain for `CSCoreStore`.
*/
@objc
public static let domain = CoreStoreErrorDomain
public static let errorDomain = CoreStoreErrorDomain
// MARK: Private
// MARK: NSObject
private override init() {
public override var hash: Int {
fatalError()
return self.bridgeToSwift.hashValue
}
public override func isEqual(object: AnyObject?) -> Bool {
guard let object = object as? CSError else {
return false
}
return self.bridgeToSwift == object.bridgeToSwift
}
// MARK: CoreStoreObjectiveCType
private var swiftError: CoreStoreError?
public var bridgeToSwift: CoreStoreError {
if let swift = self.swiftError {
return swift
}
func createSwiftObject(error: CSError) -> CoreStoreError {
guard error.domain == CoreStoreErrorDomain else {
return .InternalError(NSError: self)
}
guard let code = CoreStoreErrorCode(rawValue: error.code) else {
return .Unknown
}
let info = error.userInfo
switch code {
case .UnknownError:
return .Unknown
case .DifferentPersistentStoreExistsAtURL:
guard case let existingPersistentStoreURL as NSURL = info["existingPersistentStoreURL"] else {
return .Unknown
}
return .DifferentStorageExistsAtURL(existingPersistentStoreURL: existingPersistentStoreURL)
case .MappingModelNotFound:
guard let localStoreURL = info["localStoreURL"] as? NSURL,
let targetModel = info["targetModel"] as? NSManagedObjectModel,
let targetModelVersion = info["targetModelVersion"] as? String else {
return .Unknown
}
return .MappingModelNotFound(localStoreURL: localStoreURL, targetModel: targetModel, targetModelVersion: targetModelVersion)
case .ProgressiveMigrationRequired:
guard let localStoreURL = info["localStoreURL"] as? NSURL else {
return .Unknown
}
return .ProgressiveMigrationRequired(localStoreURL: localStoreURL)
case .InternalError:
guard case let NSError as NSError = info["NSError"] else {
return .Unknown
}
return .InternalError(NSError: NSError)
}
}
let swift = createSwiftObject(self)
self.swiftError = swift
return swift
}
/**
Do not call directly!
*/
public init(_ swiftValue: CoreStoreError) {
self.swiftError = swiftValue
let code: CoreStoreErrorCode
let info: [NSObject: AnyObject]
switch swiftValue {
case .Unknown:
code = .UnknownError
info = [:]
case .DifferentStorageExistsAtURL(let existingPersistentStoreURL):
code = .DifferentPersistentStoreExistsAtURL
info = [
"existingPersistentStoreURL": existingPersistentStoreURL
]
case .MappingModelNotFound(let localStoreURL, let targetModel, let targetModelVersion):
code = .MappingModelNotFound
info = [
"localStoreURL": localStoreURL,
"targetModel": targetModel,
"targetModelVersion": targetModelVersion
]
case .ProgressiveMigrationRequired(let localStoreURL):
code = .ProgressiveMigrationRequired
info = [
"localStoreURL": localStoreURL
]
case .InternalError(let NSError):
code = .InternalError
info = [
"NSError": NSError
]
}
super.init(domain: CoreStoreErrorDomain, code: code.rawValue, userInfo: info)
}
public required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
}
@@ -85,112 +212,40 @@ public enum CSErrorCode: Int {
}
// MARK: - CoreStoreError
extension CoreStoreError: CoreStoreSwiftType {
// MARK: CoreStoreSwiftType
public var bridgeToObjectiveC: CSError {
return CSError(self)
}
}
// MARK: Internal
internal extension ErrorType {
internal var swift: CoreStoreError {
internal var bridgeToSwift: CoreStoreError {
if case let error as CoreStoreError = self {
switch self {
return error
}
guard let error = (self as Any) as? NSError else {
return .Unknown
}
guard error.domain == CoreStoreErrorDomain else {
return .InternalError(NSError: error)
}
guard let code = CoreStoreErrorCode(rawValue: error.code) else {
return .Unknown
}
let info = error.userInfo
switch code {
case .UnknownError:
return .Unknown
case .DifferentPersistentStoreExistsAtURL:
guard case let existingPersistentStoreURL as NSURL = info["existingPersistentStoreURL"] else {
return .Unknown
}
return .DifferentStorageExistsAtURL(existingPersistentStoreURL: existingPersistentStoreURL)
case .MappingModelNotFound:
guard let localStoreURL = info["localStoreURL"] as? NSURL,
let targetModel = info["targetModel"] as? NSManagedObjectModel,
let targetModelVersion = info["targetModelVersion"] as? String else {
return .Unknown
}
return .MappingModelNotFound(localStoreURL: localStoreURL, targetModel: targetModel, targetModelVersion: targetModelVersion)
case .ProgressiveMigrationRequired:
guard let localStoreURL = info["localStoreURL"] as? NSURL else {
return .Unknown
}
return .ProgressiveMigrationRequired(localStoreURL: localStoreURL)
case .InternalError:
guard case let NSError as NSError = info["NSError"] else {
return .Unknown
}
return .InternalError(NSError: NSError)
case let error as CoreStoreError: return error
case let error as CSError: return error.bridgeToSwift
default: return .Unknown
}
}
internal var objc: NSError {
internal var bridgeToObjectiveC: NSError {
guard let error = self as? CoreStoreError else {
switch self {
return ((self as Any) as? NSError) ?? self as NSError
case let error as CoreStoreError: return error.bridgeToObjectiveC
case let error as CSError: return error
default: return self as NSError
}
let code: CoreStoreErrorCode
let info: [NSObject: AnyObject]
switch error {
case .Unknown:
code = .UnknownError
info = [:]
case .DifferentStorageExistsAtURL(let existingPersistentStoreURL):
code = .DifferentPersistentStoreExistsAtURL
info = [
"existingPersistentStoreURL": existingPersistentStoreURL
]
case .MappingModelNotFound(let localStoreURL, let targetModel, let targetModelVersion):
code = .MappingModelNotFound
info = [
"localStoreURL": localStoreURL,
"targetModel": targetModel,
"targetModelVersion": targetModelVersion
]
case .ProgressiveMigrationRequired(let localStoreURL):
code = .ProgressiveMigrationRequired
info = [
"localStoreURL": localStoreURL
]
case .InternalError(let NSError):
code = .InternalError
info = [
"NSError": NSError
]
}
return NSError(domain: CoreStoreErrorDomain, code: code.rawValue, userInfo: info)
}
}