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WIP: Objective-C bridge (90% done!)

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John Estropia
2016-03-30 11:12:17 +09:00
parent 09d844f5df
commit 8b7af86526
17 changed files with 901 additions and 396 deletions
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40
Sources/ObjectiveC/CoreStoreBridge.swift
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@@ -42,12 +42,12 @@ public protocol CoreStoreObjectiveCType: class, AnyObject {
public protocol CoreStoreSwiftType {
associatedtype ObjectiveCType: CoreStoreObjectiveCType
associatedtype ObjectiveCType
var bridgeToObjectiveC: ObjectiveCType { get }
}
public extension CoreStoreSwiftType where Self == ObjectiveCType.SwiftType {
public extension CoreStoreSwiftType where ObjectiveCType: CoreStoreObjectiveCType, Self == ObjectiveCType.SwiftType {
public var bridgeToObjectiveC: ObjectiveCType {
@@ -58,17 +58,17 @@ public extension CoreStoreSwiftType where Self == ObjectiveCType.SwiftType {
// MARK: - Internal
internal func bridge<T: CoreStoreSwiftType where T == T.ObjectiveCType.SwiftType>(@noescape closure: () -> T) -> T.ObjectiveCType {
internal func bridge<T: CoreStoreSwiftType where T.ObjectiveCType: CoreStoreObjectiveCType, T == T.ObjectiveCType.SwiftType>(@noescape closure: () -> T) -> T.ObjectiveCType {
return closure().bridgeToObjectiveC
}
internal func bridge<T: CoreStoreSwiftType where T == T.ObjectiveCType.SwiftType>(@noescape closure: () -> T?) -> T.ObjectiveCType? {
internal func bridge<T: CoreStoreSwiftType where T.ObjectiveCType: CoreStoreObjectiveCType, T == T.ObjectiveCType.SwiftType>(@noescape closure: () -> T?) -> T.ObjectiveCType? {
return closure()?.bridgeToObjectiveC
}
internal func bridge<T: CoreStoreSwiftType where T == T.ObjectiveCType.SwiftType>(@noescape closure: () throws -> T) throws -> T.ObjectiveCType {
internal func bridge<T: CoreStoreSwiftType where T.ObjectiveCType: CoreStoreObjectiveCType, T == T.ObjectiveCType.SwiftType>(@noescape closure: () throws -> T) throws -> T.ObjectiveCType {
do {
@@ -107,4 +107,34 @@ internal func bridge<T: CoreStoreSwiftType>(error: NSErrorPointer, @noescape _ c
}
}
internal func bridge<T>(error: NSErrorPointer, @noescape _ closure: () throws -> T?) -> T? {
do {
let result = try closure()
error.memory = nil
return result
}
catch let swiftError {
error.memory = swiftError.bridgeToObjectiveC
return nil
}
}
internal func bridge<T: CoreStoreSwiftType>(error: NSErrorPointer, @noescape _ closure: () throws -> [T]) -> [T.ObjectiveCType]? {
do {
let result = try closure()
error.memory = nil
return result.map { $0.bridgeToObjectiveC }
}
catch let swiftError {
error.memory = swiftError.bridgeToObjectiveC
return nil
}
}