sockscape/server/Libraries/Glove/ArrayExtensions.cs
2017-09-13 16:02:39 -05:00

74 lines
2.6 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Glove {
public static class ArrayExtensions {
public static T[] Subset<T>(this T[] arr, int offset, int count = -1) {
var arrEnum = arr.AsEnumerable();
if(offset > 0)
arrEnum = arrEnum.Skip(offset);
if(count > 0 && count < arr.Length)
arrEnum = arrEnum.Take(count);
return arrEnum.ToArray();
}
public static T[] Range<T>(this T[] arr, int start, int end) {
return arr.Subset(start, end - start);
}
}
public static class ByteArrayExtensions {
public static string Base64Encode(this byte[] bytes)
=> Convert.ToBase64String(bytes);
public static string ToHexString(this byte[] bytes)
=> BitConverter.ToString(bytes).Replace("-", " ");
public static string GetString(this byte[] bytes, bool isUtf8 = true)
=> isUtf8 ? Encoding.UTF8.GetString(bytes)
: Encoding.ASCII.GetString(bytes);
public static bool IsAsciiString(this byte[] bytes)
=> !bytes.Any(x => x > 0x7F);
public static byte[] HostToNetworkOrder(this byte[] bytes) {
if(BitConverter.IsLittleEndian)
return bytes.Reverse().ToArray();
else
return bytes;
}
public static byte[] NetworkToHostOrder(this byte[] bytes) {
return bytes.HostToNetworkOrder();
}
public static Single UnpackFloat(this byte[] bytes)
=> BitConverter.ToSingle(bytes.NetworkToHostOrder(), 0);
public static Double UnpackDouble(this byte[] bytes)
=> BitConverter.ToDouble(bytes.NetworkToHostOrder(), 0);
public static Int16 UnpackInt16(this byte[] bytes)
=> BitConverter.ToInt16(bytes.NetworkToHostOrder(), 0);
public static UInt16 UnpackUInt16(this byte[] bytes)
=> BitConverter.ToUInt16(bytes.NetworkToHostOrder(), 0);
public static Int32 UnpackInt32(this byte[] bytes)
=> BitConverter.ToInt32(bytes.NetworkToHostOrder(), 0);
public static UInt32 UnpackUInt32(this byte[] bytes)
=> BitConverter.ToUInt32(bytes.NetworkToHostOrder(), 0);
public static Int64 UnpackInt64(this byte[] bytes)
=> BitConverter.ToInt64(bytes.NetworkToHostOrder(), 0);
public static UInt64 UnpackUInt64(this byte[] bytes)
=> BitConverter.ToUInt64(bytes.NetworkToHostOrder(), 0);
}
}