refactor: decode method

Author: vnixx

Package.swift

@@ -7,7 +7,7 @@ import PackageDescription
 let packageDependencies: [Package.Dependency] = [
     .package(
         url: "https://github.com/ibireme/yyjson.git",
-        from: "0.11.1"
+        from: "0.12.0"
     ),
 ]
 #else

Sources/ReerJSON/ReerJSONDecoder.swift

@@ -170,7 +170,7 @@ open class ReerJSONDecoder {
     ///
     /// - parameter type: The type of the value to decode.
     /// - parameter data: The data to decode from.
-    /// - parameter path: The decoding container path.
+    /// - parameter path: The decoding container path, `["user", "info"]`
     /// - returns: A value of the requested type.
     /// - throws: `DecodingError.dataCorrupted` if values requested from the payload are corrupted, or if the given data is not valid JSON.
     /// - throws: An error if any value throws an error during decoding.
@@ -204,34 +204,16 @@ open class ReerJSONDecoder {
     ///
     /// - parameter type: The type of the value to decode.
     /// - parameter data: The data to decode from.
-    /// - parameter keyPath: The decoding container path, "user.info".
+    /// - parameter path: The decoding container path, `"user.info"`
     /// - returns: A value of the requested type.
     /// - throws: `DecodingError.dataCorrupted` if values requested from the payload are corrupted, or if the given data is not valid JSON.
     /// - throws: An error if any value throws an error during decoding.
-    open func decode<T: Decodable>(_ type: T.Type, from data: Data, keyPath: String) throws -> T {
-        let doc = data.withUnsafeBytes {
-            yyjson_read(
-                $0.bindMemory(to: CChar.self).baseAddress,
-                data.count,
-                YYJSON_READ_NUMBER_AS_RAW
-            )
-        }
-        guard let doc else {
-            return try decodeWithFoundationDecoder(type, from: data)
-        }
-        
-        defer {
-            yyjson_doc_free(doc)
-        }
-        
-        var pointer = yyjson_doc_get_root(doc)
-        for key in keyPath.components(separatedBy: CharacterSet(charactersIn: ".")) {
-            pointer = key.withCString { yyjson_obj_get(pointer, $0) }
-        }
-        
-        let json = JSON(pointer: pointer)
-        let impl = JSONDecoderImpl(json: json, userInfo: userInfo, codingPathNode: .root, options: options)
-        return try impl.unbox(json, as: type, for: .root, _CodingKey?.none)
+    open func decode<T: Decodable>(_ type: T.Type, from data: Data, path: String) throws -> T {
+        return try decode(
+            type,
+            from: data,
+            path: path.components(separatedBy: CharacterSet(charactersIn: "."))
+        )
     }
 
     func decodeWithFoundationDecoder<T : Decodable>(_ type: T.Type, from data: Data) throws -> T {

Tests/ReerJSONTests/ReerJSONDecoderTests.swift

@@ -933,7 +933,7 @@ class ReerJSONTests: XCTestCase {
             """.data(using: .utf8)!
         let model = try ReerJSONDecoder().decode(Test.self, from: data, path: ["a", "b"])
         XCTAssert(model.c == "ddd")
-        let model3 = try ReerJSONDecoder().decode(Test.self, from: data, keyPath: "a.b")
+        let model3 = try ReerJSONDecoder().decode(Test.self, from: data, path: "a.b")
         XCTAssert(model3.c == "ddd")
 
         struct Test2: Decodable {
@@ -944,7 +944,7 @@ class ReerJSONTests: XCTestCase {
             """.data(using: .utf8)!
         let model2 = try ReerJSONDecoder().decode(Test2.self, from: data2, path: ["a", "b"])
         XCTAssert(model2.c == [1, 2, 3])
-        let model4 = try ReerJSONDecoder().decode(Test2.self, from: data2, keyPath: "a.b")
+        let model4 = try ReerJSONDecoder().decode(Test2.self, from: data2, path: "a.b")
         XCTAssert(model4.c == [1, 2, 3])
     }
 }