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121 lines
3.5 KiB
Swift
121 lines
3.5 KiB
Swift
//
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// Functions.swift
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// CoreStore
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//
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// Copyright © 2018 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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// MARK: Associated Objects
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@inline(__always)
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/// type(of:) doesn't return the dynamic type anymore, use this to guarantee correct dispatch of class methods
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internal func cs_dynamicType<T: AnyObject>(of instance: T) -> T.Type {
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return object_getClass(instance) as! T.Type
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}
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// MARK: Associated Objects
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@inline(__always)
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internal func cs_getAssociatedObjectForKey<T: AnyObject>(_ key: UnsafeRawPointer, inObject object: Any) -> T? {
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switch objc_getAssociatedObject(object, key) {
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case let associatedObject as T:
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return associatedObject
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case let associatedObject as WeakObject:
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return associatedObject.object as? T
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default:
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return nil
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}
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}
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@inline(__always)
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internal func cs_setAssociatedRetainedObject<T: AnyObject>(_ associatedObject: T?, forKey key: UnsafeRawPointer, inObject object: Any) {
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objc_setAssociatedObject(object, key, associatedObject, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
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}
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@inline(__always)
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internal func cs_setAssociatedCopiedObject<T: AnyObject>(_ associatedObject: T?, forKey key: UnsafeRawPointer, inObject object: Any) {
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objc_setAssociatedObject(object, key, associatedObject, .OBJC_ASSOCIATION_COPY_NONATOMIC)
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}
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@inline(__always)
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internal func cs_setAssociatedWeakObject<T: AnyObject>(_ associatedObject: T?, forKey key: UnsafeRawPointer, inObject object: Any) {
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if let associatedObject = associatedObject {
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objc_setAssociatedObject(object, key, WeakObject(associatedObject), .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
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}
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else {
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objc_setAssociatedObject(object, key, nil, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
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}
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}
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// MARK: Printing Utilities
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@inline(__always)
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internal func cs_typeName<T>(_ value: T) -> String {
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return "'\(String(reflecting: type(of: value)))'"
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}
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@inline(__always)
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internal func cs_typeName<T>(_ value: T.Type) -> String {
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return "'\(value)'"
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}
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@inline(__always)
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internal func cs_typeName(_ value: AnyClass) -> String {
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return "'\(value)'"
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}
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@inline(__always)
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internal func cs_typeName(_ name: String) -> String {
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return "<\(name)>"
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}
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@inline(__always)
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internal func cs_typeName(_ name: String?) -> String {
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return "<\(name ?? "unknown")>"
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}
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// MARK: Functional
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@inline(__always)
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internal func cs_lazy<T>(_ closure: () -> T) -> T {
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return closure()
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}
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