initial commit

Sources/XcodeGenKit/Decoding.swift

@@ -0,0 +1,31 @@
+//
+//  Decoding.swift
+//  XcodeGen
+//
+//  Created by Yonas Kolb on 19/5/17.
+//
+//
+
+import Foundation
+import JSONUtilities
+
+extension Dictionary where Key: JSONKey {
+
+    public func json<T: NamedJSONObjectConvertible>(atKeyPath keyPath: KeyPath, invalidItemBehaviour: InvalidItemBehaviour<T> = .remove) throws -> [T] {
+        guard let dictionary = json(atKeyPath: keyPath) as JSONDictionary? else {
+            return []
+        }
+        var items: [T] = []
+        for (key, _) in dictionary {
+            let jsonDictionary: JSONDictionary = try dictionary.json(atKeyPath: .key(key))
+            let item = try T(name: key, jsonDictionary: jsonDictionary)
+            items.append(item)
+        }
+        return items
+    }
+}
+
+public protocol NamedJSONObjectConvertible {
+
+    init(name: String, jsonDictionary: JSONDictionary) throws
+}