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