55 lines
1.8 KiB
C#
55 lines
1.8 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 Glove {
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public static class CharExtensions {
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public static bool IsHex(this char c) {
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return (c >= '0' && c <= '9')
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|| (c >= 'A' && c <= 'F')
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|| (c >= 'a' && c <= 'f');
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}
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public static byte HexValue(this char c) {
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return (byte)(!c.IsHex() ? 0 : c - (c < 0x3A ? 0x30 : (c < 0x61 ? 0x37 : 0x57)));
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}
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}
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public static class StringExtensions {
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public static byte[] GetBytes(this string str, bool isUtf8 = true)
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=> isUtf8 ? Encoding.UTF8.GetBytes(str)
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: Encoding.ASCII.GetBytes(str);
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public static int ByteLength(this string str, bool isUtf8 = true)
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=> isUtf8 ? Encoding.UTF8.GetByteCount(str)
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: Encoding.ASCII.GetByteCount(str);
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public static string Base64Encode(this string str, bool isUtf8 = true) {
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var raw =
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isUtf8 ? Encoding.UTF8.GetBytes(str)
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: Encoding.ASCII.GetBytes(str);
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return Convert.ToBase64String(raw);
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}
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public static string Base64Decode(this string str, bool isUtf8 = true) {
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var raw = Convert.FromBase64String(str);
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return isUtf8 ? Encoding.UTF8.GetString(raw)
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: Encoding.ASCII.GetString(raw);
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}
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public static byte[] Base64DecodeRaw(this string str)
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=> Convert.FromBase64String(str);
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public static bool StartsWith(this string str, params string[] strings) {
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foreach(var checkString in strings) {
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if(str.StartsWith(checkString))
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return true;
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}
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return false;
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}
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}
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}
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