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WIP: Objective-C bridge

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This commit is contained in:
John Estropia
2016-03-16 21:23:41 +09:00
parent d9422f7f2e
commit 21f57518c8
12 changed files with 520 additions and 55 deletions
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71
CoreStore.xcodeproj/project.pbxproj
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@@ -217,6 +217,10 @@
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SDKROOT = watchos;
SKIP_INSTALL = YES;
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
TARGETED_DEVICE_FAMILY = 4;
};
name = Debug;
@@ -1688,6 +1756,7 @@
B56321761BD65082006C9394 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
CLANG_ENABLE_MODULES = YES;
COPY_PHASE_STRIP = NO;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
DEFINES_MODULE = YES;

30
CoreStoreTests/BridgingTests.h Normal file
View File

@@ -0,0 +1,30 @@
//
// BridgingTests.h
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#import <XCTest/XCTest.h>
@interface BridgingTests : XCTestCase
@end

44
CoreStoreTests/BridgingTests.m Normal file
View File

@@ -0,0 +1,44 @@
//
// BridgingTests.m
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#import "BridgingTests.h"
@import CoreStore;
@implementation BridgingTests
- (void)testDataStack {
CSDataStack *dataStack = [[CSDataStack alloc]
initWithModelName: @"Model"
bundle: [NSBundle bundleForClass:[self class]]
versionChain: nil];
XCTAssertNotNil(dataStack);
[CSCoreStore setDefaultStack:dataStack];
XCTAssertTrue([dataStack isEqual:[CSCoreStore defaultStack]]);
}
@end

5
CoreStoreTests/CoreStoreTests-Bridging-Header.h Normal file
View File

@@ -0,0 +1,5 @@
//
// Use this file to import your target's public headers that you would like to expose to Swift.
//
#import "BridgingTests.h"

1
Sources/Convenience Helpers/NSFetchedResultsController+Convenience.swift
View File

@@ -34,6 +34,7 @@ public extension NSFetchedResultsController {
/**
Utility for creating an `NSFetchedResultsController` from a `DataStack`. This is useful to partially support Objective-C classes by passing an `NSFetchedResultsController` instance instead of a `ListMonitor`.
*/
@nonobjc
public static func createForStack<T: NSManagedObject>(dataStack: DataStack, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) -> NSFetchedResultsController {
return CoreStoreFetchedResultsController<T>(

4
Sources/Convenience Helpers/NSManagedObject+Convenience.swift
View File

@@ -38,6 +38,7 @@ public extension NSManagedObject {
- returns: the primitive value for the KVC key
*/
@warn_unused_result
@nonobjc
public func accessValueForKVCKey(KVCKey: KeyPath) -> AnyObject? {
self.willAccessValueForKey(KVCKey)
@@ -53,6 +54,7 @@ public extension NSManagedObject {
- parameter value: the value to set the KVC key with
- parameter KVCKey: the KVC key
*/
@nonobjc
public func setValue(value: AnyObject?, forKVCKey KVCKey: KeyPath) {
self.willChangeValueForKey(KVCKey)
@@ -63,6 +65,7 @@ public extension NSManagedObject {
/**
Re-faults the object to use the latest values from the persistent store
*/
@nonobjc
public func refreshAsFault() {
self.managedObjectContext?.refreshObject(self, mergeChanges: false)
@@ -71,6 +74,7 @@ public extension NSManagedObject {
/**
Re-faults the object to use the latest values from the persistent store and merges previously pending changes back
*/
@nonobjc
public func refreshAndMerge() {
self.managedObjectContext?.refreshObject(self, mergeChanges: true)

1
Sources/Convenience Helpers/NSProgress+Convenience.swift
View File

@@ -37,6 +37,7 @@ public extension NSProgress {
Sets a closure that the `NSProgress` calls whenever its `fractionCompleted` changes. You can use this instead of setting up KVO.
- parameter closure: the closure to execute on progress change
*/
@nonobjc
public func setProgressHandler(closure: ((progress: NSProgress) -> Void)?) {
self.progressObserver.progressHandler = closure

126
Sources/Migrating/MigrationChain.swift
View File

@@ -62,9 +62,7 @@ import CoreData
*/
public struct MigrationChain: NilLiteralConvertible, StringLiteralConvertible, DictionaryLiteralConvertible, ArrayLiteralConvertible {
// MARK: NilLiteralConvertible
public init(nilLiteral: ()) {
public init() {
self.versionTree = [:]
self.rootVersions = []
@@ -72,10 +70,7 @@ public struct MigrationChain: NilLiteralConvertible, StringLiteralConvertible, D
self.valid = true
}
// MARK: StringLiteralConvertible
public init(stringLiteral value: String) {
public init(_ value: String) {
self.versionTree = [:]
self.rootVersions = [value]
@@ -83,32 +78,30 @@ public struct MigrationChain: NilLiteralConvertible, StringLiteralConvertible, D
self.valid = true
}
// MARK: ExtendedGraphemeClusterLiteralConvertible
public init(extendedGraphemeClusterLiteral value: String) {
public init<T: CollectionType where T.Generator.Element == String, T.Index: BidirectionalIndexType>(_ elements: T) {
self.versionTree = [:]
self.rootVersions = [value]
self.leafVersions = [value]
self.valid = true
CoreStore.assert(Set(elements).count == Array(elements).count, "\(typeName(MigrationChain))'s migration chain could not be created due to duplicate version strings.")
var lastVersion: String?
var versionTree = [String: String]()
var valid = true
for version in elements {
if let lastVersion = lastVersion,
let _ = versionTree.updateValue(version, forKey: lastVersion) {
valid = false
}
lastVersion = version
}
self.versionTree = versionTree
self.rootVersions = Set([elements.first].flatMap { $0 == nil ? [] : [$0!] })
self.leafVersions = Set([elements.last].flatMap { $0 == nil ? [] : [$0!] })
self.valid = valid
}
// MARK: UnicodeScalarLiteralConvertible
public init(unicodeScalarLiteral value: String) {
self.versionTree = [:]
self.rootVersions = [value]
self.leafVersions = [value]
self.valid = true
}
// MARK: DictionaryLiteralConvertible
public init(dictionaryLiteral elements: (String, String)...) {
public init(_ elements: [(String, String)]) {
var valid = true
var versionTree = [String: String]()
@@ -124,11 +117,9 @@ public struct MigrationChain: NilLiteralConvertible, StringLiteralConvertible, D
valid = false
}
let leafVersions = Set(
elements.filter { (tuple: (String, String)) -> Bool in
return versionTree[tuple.1] == nil
}.map { $1 }
elements
.filter { versionTree[$1] == nil }
.map { $1 }
)
let isVersionAmbiguous = { (start: String) -> Bool in
@@ -156,30 +147,57 @@ public struct MigrationChain: NilLiteralConvertible, StringLiteralConvertible, D
self.valid = valid && Set(versionTree.keys).union(versionTree.values).filter { isVersionAmbiguous($0) }.count <= 0
}
public init(_ dictionary: [String: String]) {
self.init(dictionary.map { $0 })
}
// MARK: NilLiteralConvertible
public init(nilLiteral: ()) {
self.init()
}
// MARK: StringLiteralConvertible
public init(stringLiteral value: String) {
self.init(value)
}
// MARK: ExtendedGraphemeClusterLiteralConvertible
public init(extendedGraphemeClusterLiteral value: String) {
self.init(value)
}
// MARK: UnicodeScalarLiteralConvertible
public init(unicodeScalarLiteral value: String) {
self.init(value)
}
// MARK: DictionaryLiteralConvertible
public init(dictionaryLiteral elements: (String, String)...) {
self.init(elements)
}
// MARK: ArrayLiteralConvertible
public init(arrayLiteral elements: String...) {
CoreStore.assert(Set(elements).count == elements.count, "\(typeName(MigrationChain))'s migration chain could not be created due to duplicate version strings.")
var lastVersion: String?
var versionTree = [String: String]()
var valid = true
for version in elements {
if let lastVersion = lastVersion,
let _ = versionTree.updateValue(version, forKey: lastVersion) {
valid = false
}
lastVersion = version
}
self.versionTree = versionTree
self.rootVersions = Set([elements.first].flatMap { $0 == nil ? [] : [$0!] })
self.leafVersions = Set([elements.last].flatMap { $0 == nil ? [] : [$0!] })
self.valid = valid
self.init(elements)
}

63
Sources/ObjectiveC/CSCoreStore.swift Normal file
View File

@@ -0,0 +1,63 @@
//
// CSCoreStore.swift
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import Foundation
import CoreData
// MARK: - CSCoreStore
/**
The `CSCoreStore` serves as the Objective-C bridging type for `CoreStore`.
*/
@objc
public final class CSCoreStore: NSObject {
/**
The default `CSDataStack` instance to be used. If `defaultStack` is not set before the first time accessed, a default-configured `DataStack` will be created.
Changing the `defaultStack` is thread safe, but it is recommended to setup `DataStacks` on a common queue (e.g. the main queue).
*/
@objc
public class var defaultStack: CSDataStack {
get {
return CoreStore.defaultStack.objc
}
set {
CoreStore.defaultStack = newValue.swift
}
}
// MARK: Private
private override init() {
fatalError()
}
}

155
Sources/ObjectiveC/CSDataStack.swift Normal file
View File

@@ -0,0 +1,155 @@
//
// CSDataStack.swift
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import Foundation
import CoreData
// MARK: - DataStack
extension DataStack: CoreStoreBridgeable {
// MARK: CoreStoreBridgeable
public typealias NativeType = CSDataStack
}
// MARK: - CSDataStack
/**
The `CSDataStack` serves as the Objective-C bridging type for `DataStack`.
*/
@objc
public final class CSDataStack: NSObject, CoreStoreBridge {
/**
Initializes a `CSDataStack` with default settings. CoreStore searches for <CFBundleName>.xcdatamodeld from the main `NSBundle` and loads an `NSManagedObjectModel` from it. An assertion is raised if the model could not be found.
*/
@objc
public convenience override init() {
self.init(DataStack())
}
/**
Initializes a `CSDataStack` from the model with the specified `modelName` in the specified `bundle`.
- parameter modelName: the name of the (.xcdatamodeld) model file. If not specified, the application name (CFBundleName) will be used if it exists, or "CoreData" if it the bundle name was not set.
- parameter bundle: an optional bundle to load models from. If not specified, the main bundle will be used.
- parameter versionChain: the version strings that indicate the sequence of model versions to be used as the order for progressive migrations. If not specified, will default to a non-migrating data stack.
*/
@objc
public convenience init(modelName: String = DataStack.applicationName, bundle: NSBundle = NSBundle.mainBundle(), versionChain: [String]? = nil) {
self.init(
DataStack(
modelName: modelName,
bundle: bundle,
migrationChain: versionChain.flatMap { MigrationChain($0) } ?? nil
)
)
}
/**
Initializes a `CSDataStack` from the model with the specified `modelName` in the specified `bundle`.
- parameter modelName: the name of the (.xcdatamodeld) model file. If not specified, the application name (CFBundleName) will be used if it exists, or "CoreData" if it the bundle name was not set.
- parameter bundle: an optional bundle to load models from. If not specified, the main bundle will be used.
- parameter versionTree: the version strings that indicate the sequence of model versions to be used as the order for progressive migrations. If not specified, will default to a non-migrating data stack.
*/
@objc
public convenience init(modelName: String = DataStack.applicationName, bundle: NSBundle = NSBundle.mainBundle(), versionTree: [String: String]? = nil) {
self.init(
DataStack(
modelName: modelName,
bundle: bundle,
migrationChain: versionTree.flatMap { MigrationChain($0) } ?? nil
)
)
}
/**
Initializes a `DataStack` from an `NSManagedObjectModel`.
- parameter model: the `NSManagedObjectModel` for the stack
- parameter versionChain: the `MigrationChain` that indicates the sequence of model versions to be used as the order for progressive migrations. If not specified, will default to a non-migrating data stack.
*/
@objc
public convenience init(model: NSManagedObjectModel, versionChain: [String]? = nil) {
self.init(
DataStack(
model: model,
migrationChain: versionChain.flatMap { MigrationChain($0) } ?? nil
)
)
}
/**
Initializes a `DataStack` from an `NSManagedObjectModel`.
- parameter model: the `NSManagedObjectModel` for the stack
- parameter versionTree: the `MigrationChain` that indicates the sequence of model versions to be used as the order for progressive migrations. If not specified, will default to a non-migrating data stack.
*/
@objc
public convenience init(model: NSManagedObjectModel, versionTree: [String]? = nil) {
self.init(
DataStack(
model: model,
migrationChain: versionTree.flatMap { MigrationChain($0) } ?? nil
)
)
}
// MARK: NSObject
public override var hash: Int {
return ObjectIdentifier(self.swift).hashValue
}
public override func isEqual(object: AnyObject?) -> Bool {
guard let object = object as? CSDataStack else {
return false
}
return self.swift === object.swift
}
// MARK: CoreStoreBridge
public let swift: DataStack
public required init(_ swiftObject: DataStack) {
self.swift = swiftObject
}
}

74
Sources/ObjectiveC/CoreStoreBridge.swift Normal file
View File

@@ -0,0 +1,74 @@
//
// CoreStoreBridge.swift
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import Foundation
public protocol CoreStoreBridge: class, AnyObject {
associatedtype SwiftType
var swift: SwiftType { get }
init(_ swiftObject: SwiftType)
}
public protocol CoreStoreBridgeable: _ObjectiveCBridgeable {
associatedtype NativeType: CoreStoreBridge
}
public extension CoreStoreBridgeable where NativeType.SwiftType == Self {
static func _isBridgedToObjectiveC() -> Bool {
return true
}
static func _getObjectiveCType() -> Any.Type {
return NativeType.self
}
func _bridgeToObjectiveC() -> NativeType {
return NativeType(self)
}
static func _forceBridgeFromObjectiveC(source: NativeType, inout result: Self?) {
result = source.swift
}
static func _conditionallyBridgeFromObjectiveC(source: NativeType, inout result: Self?) -> Bool {
self._forceBridgeFromObjectiveC(source, result: &result)
return true
}
var objc: NativeType {
return self._bridgeToObjectiveC()
}
}

1
Sources/Saving and Processing/NSManagedObject+Transaction.swift
View File

@@ -38,6 +38,7 @@ public extension NSManagedObject {
Note that the internal reference to the transaction is `weak`, and it is still the developer's responsibility to retain a strong reference to the `UnsafeDataTransaction`.
*/
@nonobjc
public var unsafeDataTransaction: UnsafeDataTransaction? {
return self.managedObjectContext?.parentTransaction as? UnsafeDataTransaction