From d4a371a8c9c6d82be6f77f58326cfb28f2ea5bc1 Mon Sep 17 00:00:00 2001
From: ahmed <ahmed@esiur.com>
Date: Sat, 11 Oct 2025 13:00:11 +0300
Subject: [PATCH] Compose

---
 Esiur/Data/DataSerializer.cs |  7 ++++---
 Esiur/Data/TDU.cs            | 16 ++++++++--------
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/Esiur/Data/DataSerializer.cs b/Esiur/Data/DataSerializer.cs
index c941bfc..f4834aa 100644
--- a/Esiur/Data/DataSerializer.cs
+++ b/Esiur/Data/DataSerializer.cs
@@ -332,8 +332,8 @@ public static class DataSerializer
             if (previous != null  && tdu.MatchType(previous.Value))
             {
                 rt.Add((byte)TDUIdentifier.NotModified);
-                rt.AddRange(tdu.Composed.Clip(tdu.Composed[tdu.ContentOffset], 
-                    (uint)tdu.Composed.Length - tdu.Composed[tdu.ContentOffset]));
+                rt.AddRange(tdu.Composed.Clip(tdu.ContentOffset, 
+                    (uint)tdu.Composed.Length - tdu.ContentOffset));
             }
             else
             {
@@ -459,7 +459,8 @@ public static class DataSerializer
         foreach (var pt in template.Properties)
         {
             var propValue = pt.PropertyInfo.GetValue(record, null);
-            rt.AddRange(Codec.Compose(propValue, warehouse, connection));
+            var rr = Codec.Compose(propValue, warehouse, connection);
+            rt.AddRange(rr);
         }
 
         return new TDU(TDUIdentifier.Record, rt.ToArray(),
diff --git a/Esiur/Data/TDU.cs b/Esiur/Data/TDU.cs
index 49cd051..08bd9ec 100644
--- a/Esiur/Data/TDU.cs
+++ b/Esiur/Data/TDU.cs
@@ -94,7 +94,7 @@ public struct TDU
             }
             else if (length <= 0xFF_FF)
             {
-                var Composed = new byte[3 + length];
+                Composed = new byte[3 + length];
                 Composed[0] = (byte)((byte)Identifier | 0x10);
                 Composed[1] = (byte)((length >> 8) & 0xFF);
                 Composed[2] = (byte)(length & 0xFF);
@@ -194,7 +194,7 @@ public struct TDU
                 Composed[0] = (byte)((byte)Identifier | 0x8);
                 Composed[1] = (byte)len;
                 Composed[2] = metaLen;
-                ContentOffset = 2;
+                ContentOffset = metaLen + (uint)3;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 3, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 3 + metaLen, (int)length);
@@ -206,7 +206,7 @@ public struct TDU
                 Composed[1] = (byte)((len >> 8) & 0xFF);
                 Composed[2] = (byte)(len & 0xFF);
                 Composed[3] = metaLen;
-                ContentOffset = 3;
+                ContentOffset = metaLen + (uint)4;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 4, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 4 + metaLen, (int)length);
@@ -219,7 +219,7 @@ public struct TDU
                 Composed[2] = (byte)((len >> 8) & 0xFF);
                 Composed[3] = (byte)(len & 0xFF);
                 Composed[4] = metaLen;
-                ContentOffset = 4;
+                ContentOffset = metaLen + (uint)5;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 5, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 5 + metaLen, (int)length);
@@ -234,7 +234,7 @@ public struct TDU
                 Composed[3] = (byte)((len >> 8) & 0xFF);
                 Composed[4] = (byte)(len & 0xFF);
                 Composed[5] = metaLen;
-                ContentOffset = 5;
+                ContentOffset = metaLen + (uint)6;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 6, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 6 + metaLen, (int)length);
@@ -249,7 +249,7 @@ public struct TDU
                 Composed[4] = (byte)((len >> 8) & 0xFF);
                 Composed[5] = (byte)(len & 0xFF);
                 Composed[6] = metaLen;
-                ContentOffset = 6;
+                ContentOffset = metaLen + (uint)7;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 7, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 7 + metaLen, (int)length);
@@ -265,7 +265,7 @@ public struct TDU
                 Composed[5] = (byte)((len >> 8) & 0xFF);
                 Composed[6] = (byte)(len & 0xFF);
                 Composed[7] = metaLen;
-                ContentOffset = 7;
+                ContentOffset = metaLen + (uint)8;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 8, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 8 + metaLen, (int)length);
@@ -282,7 +282,7 @@ public struct TDU
                 Composed[6] = (byte)((len >> 8) & 0xFF);
                 Composed[7] = (byte)(len & 0xFF);
                 Composed[8] = metaLen;
-                ContentOffset = 8;
+                ContentOffset = metaLen + (uint)9;
 
                 Buffer.BlockCopy(metadata, 0, Composed, 9, metaLen);
                 Buffer.BlockCopy(data, 0, Composed, 9 + metaLen, (int)length);