mirror of
https://github.com/Ryujinx/Ryujinx.git
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* Fix typos * Remove unneeded using statements * Enforce var style more * Remove redundant qualifiers * Fix some indentation * Disable naming warnings on files with external enum names * Fix build * Mass find & replace for comments with no spacing * Standardize todo capitalization and for/if spacing
100 lines
2.7 KiB
C#
100 lines
2.7 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 character 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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public static string ReadUtf8StringSend(ServiceCtx context, int index = 0)
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{
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long position = context.Request.SendBuff[index].Position;
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long size = context.Request.SendBuff[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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