Fix some warnings about encoding and decoding Data and Date types

Author: hamchapman

Sources/Decoder/SingleValueDecodingContainer.swift

@@ -231,35 +231,14 @@ extension _CBORDecoder.SingleValueContainer: SingleValueDecodingContainer {
         }
     }
 
-    func decode(_ type: Data.Type) throws -> Data {
-        guard let cbor = try? CBOR.decode(self.data.map { $0 }) else {
-            let context = DecodingError.Context(codingPath: self.codingPath, debugDescription: "Invalid format: \(self.data)")
-            throw DecodingError.dataCorrupted(context)
-        }
-        switch cbor {
-        case .byteString(let bytes): return Data(bytes)
-        default:
-            let context = DecodingError.Context(codingPath: self.codingPath, debugDescription: "Invalid format: \(self.data)")
-            throw DecodingError.typeMismatch(Data.self, context)
-        }
-    }
-
     func decode<T: Decodable>(_ type: T.Type) throws -> T {
-        switch type {
-        // TODO: These seem unnecessary/wrong?!
-        case is Data.Type:
-            return try decode(Data.self) as! T
-        case is Date.Type:
-            return try decode(Date.self) as! T
-        default:
-            let decoder = _CBORDecoder(data: self.data, options: self.options)
-            let value = try T(from: decoder)
-            if let nextIndex = decoder.container?.index {
-                self.index = nextIndex
-            }
-
-            return value
+        let decoder = _CBORDecoder(data: self.data, options: self.options)
+        let value = try T(from: decoder)
+        if let nextIndex = decoder.container?.index {
+            self.index = nextIndex
         }
+
+        return value
     }
 }
 

Sources/Encoder/SingleValueEncodingContainer.swift

@@ -131,14 +131,14 @@ extension _CBOREncoder.SingleValueContainer: SingleValueEncodingContainer {
         self.storage.append(contentsOf: CBOR.encode(value))
     }
 
-    func encode(_ value: Date) throws {
+    func encodeDate(_ value: Date) throws {
         try checkCanEncode(value: value)
         defer { self.canEncodeNewValue = false }
 
         self.storage.append(contentsOf: CBOR.encodeDate(value, options: self.options.toCBOROptions()))
     }
 
-    func encode(_ value: Data) throws {
+    func encodeData(_ value: Data) throws {
         try checkCanEncode(value: value)
         defer { self.canEncodeNewValue = false }
 
@@ -151,15 +151,14 @@ extension _CBOREncoder.SingleValueContainer: SingleValueEncodingContainer {
 
         switch value {
         case let data as Data:
-            try self.encode(data)
+            try self.encodeData(data)
         case let date as Date:
-            try self.encode(date)
+            try self.encodeDate(date)
         default:
             let encoder = _CBOREncoder(options: self.options)
             try value.encode(to: encoder)
             self.storage.append(encoder.data)
         }
-
     }
 }