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master
Harald Wolff 2019-11-04 10:01:59 +01:00
parent 41a1ccfba3
commit ad9157a0ca
3 changed files with 81 additions and 2 deletions
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75
ByteArrayExtensions.cs 100644
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@ -0,0 +1,75 @@
// /**
// * File: ByteArrayExtensions.cs
// * Author: haraldwolff
// *
// * This file and it's content is copyrighted by the Author and / or copyright holder.
// * Any use wihtout proper permission is illegal and may lead to legal actions.
// *
// *
// **/
using System;
namespace ln.types
{
public enum Endianess { BIG, LITTLE }
public static class ByteArrayExtensions
{
public static byte[] To(this byte[] bytes,Endianess endianess)
{
if (BitConverter.IsLittleEndian == (endianess==Endianess.BIG))
Array.Reverse(bytes);
return bytes;
}
public static byte GetByte(this byte[] bytes, ref int offset) => bytes[offset++];
public static byte[] GetByte(this byte[] bytes,ref int offset,out byte value)
{
value = GetByte(bytes, ref offset);
return bytes;
}
public static byte[] GetShort(this byte[] bytes, ref int offset, out short value) => GetShort(bytes, ref offset, out value, Endianess.LITTLE);
public static byte[] GetShort(this byte[] bytes, ref int offset, out short value, Endianess endianess)
{
value = GetShort(bytes, ref offset, endianess);
return bytes;
}
public static short GetShort(this byte[] bytes, ref int offset, Endianess endianess) => BitConverter.ToInt16(bytes.Slice(ref offset, 2).To(endianess), 0);
public static byte[] GetUShort(this byte[] bytes, ref int offset, out ushort value) => GetUShort(bytes, ref offset, out value, Endianess.LITTLE);
public static byte[] GetUShort(this byte[] bytes, ref int offset, out ushort value, Endianess endianess)
{
value = GetUShort(bytes, ref offset, endianess);
return bytes;
}
public static ushort GetUShort(this byte[] bytes, ref int offset, Endianess endianess) => BitConverter.ToUInt16(bytes.Slice(ref offset, 2).To(endianess), 0);
public static byte[] GetInt(this byte[] bytes, ref int offset, out int value) => GetInt(bytes, ref offset, out value, Endianess.LITTLE);
public static byte[] GetInt(this byte[] bytes, ref int offset, out int value, Endianess endianess)
{
value = GetInt(bytes, ref offset, endianess);
return bytes;
}
public static int GetInt(this byte[] bytes, ref int offset, Endianess endianess) => BitConverter.ToInt32(bytes.Slice(ref offset, 4).To(endianess), 0);
public static byte[] GetUInt(this byte[] bytes, ref int offset, out uint value) => GetUInt(bytes, ref offset, out value, Endianess.LITTLE);
public static byte[] GetUInt(this byte[] bytes, ref int offset, out uint value, Endianess endianess)
{
value = GetUInt(bytes, ref offset, endianess);
return bytes;
}
public static uint GetUInt(this byte[] bytes, ref int offset, Endianess endianess) => BitConverter.ToUInt32(bytes.Slice(ref offset, 4).To(endianess), 0);
public static byte[] GetBytes(this byte[] bytes,ref int offset,int length,out byte[] value)
{
value = bytes.Slice(ref offset, length);
return bytes;
}
}
}

7
Extensions.cs
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@ -256,14 +256,17 @@ namespace ln.types
public static T[] Slice<T>(this T[] me, int offset) => Slice(me, offset, me.Length - offset);
public static T[] Slice<T>(this T[] me, int offset, int length)
public static T[] Slice<T>(this T[] me, ref int offset) => Slice(me, ref offset, me.Length - offset);
public static T[] Slice<T>(this T[] me, int offset, int length) => Slice(me, ref offset, length);
public static T[] Slice<T>(this T[] me, ref int offset, int length)
{
T[] slice = new T[length];
Array.Copy(me, offset, slice, 0, length);
offset += length;
return slice;
}
public static byte[] BytesFromHexString(string hexString)
public static byte[] BytesFromHexString(string hexString)
{
int NumberChars = hexString.Length;
byte[] bytes = new byte[NumberChars / 2];

1
ln.types.csproj
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@ -128,6 +128,7 @@
<Compile Include="odb\values\ODBByteBuffer.cs" />
<Compile Include="odb\ng\IdentityCache.cs" />
<Compile Include="net\Endpoint.cs" />
<Compile Include="ByteArrayExtensions.cs" />
</ItemGroup>
<ItemGroup>
<Folder Include="odb\" />