Initial commit

source/test/MyTelegram.Schema.Tests/Serializer/Extensions.cs

@@ -0,0 +1,30 @@
+namespace MyTelegram.Schema.Serializer;
+
+public static class Extensions
+{
+    public static byte[] ToBytes(this string hex)
+    {
+        return HexToBytes(hex);
+    }
+
+    //public static string ToHexString(this MemoryStream memoryStream) => memoryStream.ToArray().ToHexString();
+    public static string ToHexString(this byte[] bytes) => BitConverter.ToString(bytes).Replace("-", string.Empty);
+
+    private static byte[] HexToBytes(string hex)
+    {
+        var text = hex.Replace(" ", string.Empty)
+            .Replace("\r\n", string.Empty)
+            .Replace("\n", string.Empty)
+            .Replace("-", string.Empty)
+            ;
+        return StringToByteArray(text);
+    }
+
+    public static byte[] StringToByteArray(string hex)
+    {
+        return Enumerable.Range(0, hex.Length)
+            .Where(x => x % 2 == 0)
+            .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
+            .ToArray();
+    }
+}