Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/Client/Internal/Util.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Hcs.ClientNet.Internal
+{
+    internal static class Util
+    {
+        /// <summary>
+        /// Возвращает список все вложенных исключений для данного исключения
+        /// </summary>
+        internal static List<Exception> EnumerateInnerExceptions(Exception e)
+        {
+            var list = new List<Exception>();
+            WalkInnerExceptionsRecurse(e, list);
+            return list;
+        }
+
+        private static void WalkInnerExceptionsRecurse(Exception e, List<Exception> list)
+        {
+            if (e == null || list.Contains(e))
+            {
+                return;
+            }
+
+            list.Add(e);
+
+            WalkInnerExceptionsRecurse(e.InnerException, list);
+
+            if (e is AggregateException)
+            {
+                var aggregate = e as AggregateException;
+                foreach (var inner in aggregate.InnerExceptions)
+                {
+                    WalkInnerExceptionsRecurse(inner, list);
+                }
+            }
+        }
+
+        internal static string FormatDate(DateTime date)
+        {
+            return date.ToString("yyyyMMdd");
+        }
+
+        internal static string FormatDate(DateTime? date)
+        {
+            return (date == null) ? string.Empty : FormatDate((DateTime)date);
+        }
+
+        /// <summary>
+        /// Преобразует массиб байтов в строку в формате binhex
+        /// </summary>
+        internal static string ConvertToHexString(byte[] ba)
+        {
+            var buf = new StringBuilder(ba.Length * 2);
+            foreach (byte b in ba)
+            {
+                buf.AppendFormat("{0:x2}", b);
+            }
+            return buf.ToString();
+        }
+    }
+}