WIP: CSListMonitor

Sources/ObjectiveC/CSSectionBy.swift

@@ -0,0 +1,84 @@
+//
+//  CSSectionBy.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: - CSSectionBy
+
+/**
+ The `CSSectionBy` serves as the Objective-C bridging type for `SectionBy`.
+ */
+@available(OSX, unavailable)
+@objc
+public final class CSSectionBy: NSObject, CoreStoreBridge {
+    
+    /**
+     Initializes a `CSSectionBy` clause with the key path to use to group `CSListMonitor` objects into sections
+     
+     - parameter sectionKeyPath: the key path to use to group the objects into sections
+     - returns: a `CSSectionBy` clause with the key path to use to group `CSListMonitor` objects into sections
+     */
+    @objc
+    public static func keyPath(sectionKeyPath: KeyPath) -> CSSectionBy {
+        
+        return self.init(SectionBy(sectionKeyPath))
+    }
+    
+    /**
+     Initializes a `CSSectionBy` clause with the key path to use to group `CSListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
+     
+     - parameter sectionKeyPath: the key path to use to group the objects into sections
+     - parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
+     - returns: a `CSSectionBy` clause with the key path to use to group `CSListMonitor` objects into sections
+     */
+    @objc
+    public static func keyPath(sectionKeyPath: KeyPath, sectionIndexTransformer: (sectionName: String?) -> String?) -> CSSectionBy {
+        
+        return self.init(SectionBy(sectionKeyPath, sectionIndexTransformer))
+    }
+    
+    
+    // MARK: CoreStoreBridge
+    
+    internal let swift: SectionBy
+    
+    internal init(_ swiftObject: SectionBy) {
+        
+        self.swift = swiftObject
+        super.init()
+    }
+}
+
+
+// MARK: - SectionBy
+
+extension SectionBy: CoreStoreBridgeable {
+    
+    // MARK: CoreStoreBridgeable
+    
+    internal typealias ObjCType = CSSectionBy
+}