nested array workaround helper functions

EVReflection.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "EVReflection"
-  s.version      = "5.5.6"
+  s.version      = "5.6.0"
   s.summary      = "Reflection based object mapping. (Dictionary, CKRecord, NSManagedObject, Realm, JSON, XML, Alamofire, Moya, RxSwift, ReactiveSwift)"
 
   s.description  = <<-EOS

Source/EVArrayExtension.swift

@@ -190,3 +190,47 @@ public extension Array where Element: NSDictionary {
     }
 
 }
+
+public extension NSArray {
+    func nestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[T]] {
+        return (self.map {
+            (($0 as? NSArray)?.map {
+                element($0 as? NSDictionary ?? NSDictionary())
+                }) ?? []
+        })
+    }
+
+    func doubleNestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[[T]]] {
+        return (self.map {
+            (($0 as? NSArray)?.nestedArrayMap { element($0) }) ?? [[]]
+        })
+    }
+
+    func tripleNestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[[[T]]]] {
+        return (self.map {
+            (($0 as? NSArray)?.doubleNestedArrayMap { element($0) }) ?? [[[]]]
+        })
+    }
+
+    func quadrupleNestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[[[[T]]]]] {
+        return (self.map {
+            (($0 as? NSArray)?.tripleNestedArrayMap { element($0) }) ?? [[[[]]]]
+        })
+    }
+
+    func quintupleNestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[[[[[T]]]]]] {
+        return (self.map {
+            (($0 as? NSArray)?.quadrupleNestedArrayMap { element($0) }) ?? [[[[[]]]]]
+        })
+    }
+
+    func sextupleNestedArrayMap<T>(_ element: (NSDictionary)->T) -> [[[[[[[T]]]]]]] {
+        return (self.map {
+            (($0 as? NSArray)?.quintupleNestedArrayMap { element($0) }) ?? [[[[[[]]]]]]
+        })
+    }
+
+    // If you need deeper nesting, whell, then you probably see the pattern above that you need to implement :-)
+    // just name them septuple, octuple, nonuple and decuple
+    // I'm not sure how far swift can handle it, but you should not want something like that.
+}

UnitTests/EVReflectionTests/EVReflectionTests.swift

@@ -502,6 +502,21 @@ class EVReflectionTests: XCTestCase {
         XCTAssert(obj.array[0][0].count == 3, "3 dimentional array should have 3 items inside the first item of the first item")
         XCTAssert(obj.array[0][0][0].openId == "value1", "3 dimentional array should have openId with a value of value1 in the first item of the first item in the first item")
     }
+
+    func testSuperNested(){
+        // For now using the propertyConverters workaround.
+        let json = "{\"array\":[[[[[[[{\"openId\":\"value1\"},{\"openId\":\"value2\"},{\"openId\":\"value3\"}],[{\"openId\":\"value3\"},{\"openId\":\"value4\"}]]]]]]]}"
+        let obj = A81d(json: json)
+        print(obj)
+        XCTAssert(obj.array.count == 1, "6 dimentional array should have 1 item")
+        XCTAssert(obj.array[0].count == 1, "6 dimentional array should have 1 item on nesting 1")
+        XCTAssert(obj.array[0][0].count == 1, "6 dimentional array should have 1 item on nesting 2")
+        XCTAssert(obj.array[0][0][0].count == 1, "6 dimentional array should have 1 item on nesting 3")
+        XCTAssert(obj.array[0][0][0][0].count == 1, "6 dimentional array should have 1 item on nesting 4")
+        XCTAssert(obj.array[0][0][0][0][0].count == 2, "6 dimentional array should have 2 item on nesting 5")
+        XCTAssert(obj.array[0][0][0][0][0][0].count == 3, "6 dimentional array should have 3 items inside nesting 6")
+        XCTAssert(obj.array[0][0][0][0][0][0][0].openId == "value1", "6 dimentional array should have openId with a value of value1 in the first available item")
+    }
 
     // Swift bug, class inside class works, class inside struct does not work.
     func testNestedDefinition() {

UnitTests/EVReflectionTests/TestObjects.swift

@@ -270,12 +270,8 @@ class A81b: EVObject {
     // Failure should be fixed for https://github.com/evermeer/EVReflection/issues/212
     override func propertyConverters() -> [(key: String, decodeConverter: ((Any?) -> ()), encodeConverter: (() -> Any?))] {
         return [(key: "array",
-                 decodeConverter: {
-                    self.array = (($0 as? NSArray)?.map {
-                        (($0 as? NSArray)?.map {
-                            A81(dictionary: ($0 as? NSDictionary ?? NSDictionary()))
-                        }) ?? []
-                    }) ?? [[]]
+            decodeConverter: {
+                self.array = ($0 as? NSArray)?.nestedArrayMap { A81(dictionary: $0) } ?? [[]]
         }, encodeConverter: { return self.array })]
     }
 }
@@ -288,13 +284,22 @@ class A81c: EVObject {
     override func propertyConverters() -> [(key: String, decodeConverter: ((Any?) -> ()), encodeConverter: (() -> Any?))] {
         return [(key: "array",
                  decodeConverter: {
-                    self.array = (($0 as? NSArray)?.map {
-                        (($0 as? NSArray)?.map {
-                            (($0 as? NSArray)?.map {
-                                A81(dictionary: ($0 as? NSDictionary ?? NSDictionary()))
-                            }) ?? []
-                        }) ?? [[]]
-                    }) ?? [[[]]]
+                    self.array = ($0 as? NSArray)?.doubleNestedArrayMap { A81(dictionary: $0) } ?? [[]]
+        }, encodeConverter: { return self.array })]
+    }
+}
+
+class A81d: EVObject {
+    // Skipping the triple, quadruple, quintuple nestedArrayMap and go strait to the sextuple
+    // You should not want something like this
+    var array: [[[[[[[A81]]]]]]] = [[[[[[[]]]]]]]
+
+    // Now only working using this workaround
+    // Failure should be fixed for https://github.com/evermeer/EVReflection/issues/212
+    override func propertyConverters() -> [(key: String, decodeConverter: ((Any?) -> ()), encodeConverter: (() -> Any?))] {
+        return [(key: "array",
+                 decodeConverter: {
+                    self.array = ($0 as? NSArray)?.sextupleNestedArrayMap { A81(dictionary: $0) } ?? [[[[[[]]]]]]
         }, encodeConverter: { return self.array })]
     }
 }