77 lines
2.0 KiB
C#
77 lines
2.0 KiB
C#
using Ryujinx.HLE.HOS;
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using System;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace Ryujinx.HLE.Utilities
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{
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static class StringUtils
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{
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public static byte[] GetFixedLengthBytes(string InputString, int Size, Encoding Encoding)
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{
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InputString = InputString + "\0";
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int BytesCount = Encoding.GetByteCount(InputString);
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byte[] Output = new byte[Size];
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if (BytesCount < Size)
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{
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Encoding.GetBytes(InputString, 0, InputString.Length, Output, 0);
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}
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else
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{
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int NullSize = Encoding.GetByteCount("\0");
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Output = Encoding.GetBytes(InputString);
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Array.Resize(ref Output, Size - NullSize);
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Output = Output.Concat(Encoding.GetBytes("\0")).ToArray();
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}
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return Output;
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}
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public static byte[] HexToBytes(string HexString)
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{
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//Ignore last charactor if HexLength % 2 != 0.
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int BytesInHex = HexString.Length / 2;
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byte[] Output = new byte[BytesInHex];
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for (int Index = 0; Index < BytesInHex; Index++)
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{
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Output[Index] = byte.Parse(HexString.Substring(Index * 2, 2), NumberStyles.HexNumber);
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}
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return Output;
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}
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public static string ReadUtf8String(ServiceCtx Context, int Index = 0)
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{
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long Position = Context.Request.PtrBuff[Index].Position;
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long Size = Context.Request.PtrBuff[Index].Size;
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using (MemoryStream MS = new MemoryStream())
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{
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while (Size-- > 0)
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{
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byte Value = Context.Memory.ReadByte(Position++);
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if (Value == 0)
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{
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break;
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}
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MS.WriteByte(Value);
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}
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return Encoding.UTF8.GetString(MS.ToArray());
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}
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}
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}
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}
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