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ahmed
2025-09-03 13:01:28 +03:00
parent 14c49d7ffe
commit 47c3f9f926
1 changed files with 30 additions and 4 deletions
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32
Esiur/Data/TransmissionDataUnit.cs
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@@ -2,6 +2,7 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Linq;
namespace Esiur.Data;
@@ -17,6 +18,8 @@ public struct TransmissionDataUnit
public byte[] Data;
public byte[] Metadata;
public ulong Size;
public TransmissionDataUnit(TransmissionDataUnitIdentifier identifier,
byte[] data, uint offset,
ulong length, byte[] metadata = null,
@@ -30,6 +33,8 @@ public struct TransmissionDataUnit
Exponent = exponent;
Data = data;
Metadata = metadata;
Size = Class == TransmissionDataUnitClass.Fixed ? 1 + length: 1 + length +
}
public byte[] GetTypeMetadata()
@@ -277,7 +282,7 @@ public struct TransmissionDataUnit
var exp = (h & 0x38) >> 3;
if (exp == 0)
return (1, new TransmissionDataUnit(data, (TransmissionDataUnitIdentifier)h, cls, h & 0x7, 0, (byte)exp));
return (1, new TransmissionDataUnit((TransmissionDataUnitIdentifier)h, data, offset, 0));
ulong cl = (ulong)(1 << (exp - 1));
@@ -286,7 +291,27 @@ public struct TransmissionDataUnit
//offset += (uint)cl;
return (1 + cl, new TransmissionDataUnit(data, (TransmissionDataUnitIdentifier)h, cls, h & 0x7, offset, cl, (byte)exp));
return (1 + cl, new TransmissionDataUnit((TransmissionDataUnitIdentifier)h, data, offset, cl, null, (byte)exp));
}
else if (cls == TransmissionDataUnitClass.Typed)
{
ulong cll = (ulong)(h >> 3) & 0x7;
if (ends - offset < cll)
return (cll - (ends - offset), null);
ulong cl = 0;
for (uint i = 0; i < cll; i++)
cl = cl << 8 | data[offset++];
if (ends - offset < cl)
return (cl - (ends - offset), null);
var metaData = DC.Clip(data, offset + 1, data[offset]);
offset += data[offset];
return (1 + cl + cll, new TransmissionDataUnit((TransmissionDataUnitIdentifier)(h & 0xC7), data, offset, cl, metaData));
}
else
{
@@ -304,7 +329,8 @@ public struct TransmissionDataUnit
return (cl - (ends - offset), null);
return (1 + cl + cll, new TransmissionDataUnit(data, (TransmissionDataUnitIdentifier)(h & 0xC7), cls, h & 0x7, offset, cl));
return (1 + cl + cll, new TransmissionDataUnit((TransmissionDataUnitIdentifier)(h & 0xC7), data, offset, cl));
}
}