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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Swift 5 support. WIP: Support type-safe predicate expressions

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This commit is contained in:
John Estropia
2019-02-01 18:32:22 +09:00
parent 41902fee2e
commit db4426e6b9
15 changed files with 715 additions and 73 deletions
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24
Sources/DynamicKeyPath.swift
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@@ -47,7 +47,7 @@ public protocol DynamicKeyPath: AnyDynamicKeyPath {
/**
The DynamicObject type
*/
associatedtype ObjectType
associatedtype ObjectType: DynamicObject
/**
The Value type
@@ -66,7 +66,7 @@ extension KeyPathString {
let keyPath = String(keyPath: \Person.nickname)
```
*/
public init<O: NSManagedObject, V>(keyPath: KeyPath<O, V>) {
public init<O: NSManagedObject, V: AllowedObjectiveCKeyPathValue>(keyPath: KeyPath<O, V>) {
self = keyPath.cs_keyPathString
}
@@ -81,18 +81,24 @@ extension KeyPathString {
self = O.meta[keyPath: keyPath].cs_keyPathString
}
/**
Extracts the keyPath string from the property.
```
let keyPath = String(keyPath: \Person.nickname)
```
*/
public init<O: DynamicObject, T, V>(keyPath: Where<O>.Expression<T, V>) {
self = keyPath.cs_keyPathString
}
}
// MARK: - KeyPath: DynamicKeyPath
// TODO: SE-0143 (https://github.com/apple/swift-evolution/blob/master/proposals/0143-conditional-conformances.md) is implemented but multiple conformances for the same type currently cannot be declared.
//extension KeyPath: DynamicKeyPath where Root: NSManagedObject, Value: ImportableAttributeType
//extension KeyPath: DynamicKeyPath where Root: NSManagedObject, Value: ImportableAttributeType?
//extension KeyPath: DynamicKeyPath where Root: NSManagedObject, Value: NSManagedObject?
//extension KeyPath: DynamicKeyPath where Root: NSManagedObject, Value: NSSet
//extension KeyPath: DynamicKeyPath where Root: NSManagedObject, Value: NSOrderedSet
extension KeyPath: DynamicKeyPath {
extension KeyPath: DynamicKeyPath, AnyDynamicKeyPath where Root: DynamicObject, Value: AllowedObjectiveCKeyPathValue {
public typealias ObjectType = Root
public typealias ValueType = Value