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using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Ncm;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Services.Am.AppletAE;
using Ryujinx.HLE.HOS.SystemState;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
namespace Ryujinx.HLE.HOS.Applets.Error
{
internal partial class ErrorApplet : IApplet
{
private const long ErrorMessageBinaryTitleId = 0x0100000000000801;
private readonly Horizon _horizon;
private AppletSession _normalSession;
private CommonArguments _commonArguments;
private ErrorCommonHeader _errorCommonHeader;
private byte[] _errorStorage;
public event EventHandler AppletStateChanged;
[GeneratedRegex(@"[^\u0000\u0009\u000A\u000D\u0020-\uFFFF]..")]
private static partial Regex CleanTextRegex();
public ErrorApplet(Horizon horizon)
{
_horizon = horizon;
}
public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession)
{
_normalSession = normalSession;
_commonArguments = IApplet.ReadStruct<CommonArguments>(_normalSession.Pop());
Logger.Info?.PrintMsg(LogClass.ServiceAm, $"ErrorApplet version: 0x{_commonArguments.AppletVersion:x8}");
_errorStorage = _normalSession.Pop();
_errorCommonHeader = IApplet.ReadStruct<ErrorCommonHeader>(_errorStorage);
_errorStorage = _errorStorage.Skip(Marshal.SizeOf<ErrorCommonHeader>()).ToArray();
switch (_errorCommonHeader.Type)
{
case ErrorType.ErrorCommonArg:
{
ParseErrorCommonArg();
break;
}
case ErrorType.ApplicationErrorArg:
{
ParseApplicationErrorArg();
break;
}
default:
throw new NotImplementedException($"ErrorApplet type {_errorCommonHeader.Type} is not implemented.");
}
AppletStateChanged?.Invoke(this, null);
return ResultCode.Success;
}
private static (uint module, uint description) HexToResultCode(uint resultCode)
{
return ((resultCode & 0x1FF) + 2000, (resultCode >> 9) & 0x3FFF);
}
private static string SystemLanguageToLanguageKey(SystemLanguage systemLanguage)
{
return systemLanguage switch
{
#pragma warning disable IDE0055 // Disable formatting
SystemLanguage.Japanese => "ja",
SystemLanguage.AmericanEnglish => "en-US",
SystemLanguage.French => "fr",
SystemLanguage.German => "de",
SystemLanguage.Italian => "it",
SystemLanguage.Spanish => "es",
SystemLanguage.Chinese => "zh-Hans",
SystemLanguage.Korean => "ko",
SystemLanguage.Dutch => "nl",
SystemLanguage.Portuguese => "pt",
SystemLanguage.Russian => "ru",
SystemLanguage.Taiwanese => "zh-HansT",
SystemLanguage.BritishEnglish => "en-GB",
SystemLanguage.CanadianFrench => "fr-CA",
SystemLanguage.LatinAmericanSpanish => "es-419",
SystemLanguage.SimplifiedChinese => "zh-Hans",
SystemLanguage.TraditionalChinese => "zh-Hant",
SystemLanguage.BrazilianPortuguese => "pt-BR",
_ => "en-US",
#pragma warning restore IDE0055
};
}
private static string CleanText(string value)
{
return CleanTextRegex().Replace(value, "").Replace("\0", "");
}
private string GetMessageText(uint module, uint description, string key)
{
string binaryTitleContentPath = _horizon.ContentManager.GetInstalledContentPath(ErrorMessageBinaryTitleId, StorageId.BuiltInSystem, NcaContentType.Data);
using LibHac.Fs.IStorage ncaFileStream = new LocalStorage(FileSystem.VirtualFileSystem.SwitchPathToSystemPath(binaryTitleContentPath), FileAccess.Read, FileMode.Open);
Nca nca = new(_horizon.Device.FileSystem.KeySet, ncaFileStream);
IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _horizon.FsIntegrityCheckLevel);
string languageCode = SystemLanguageToLanguageKey(_horizon.State.DesiredSystemLanguage);
string filePath = $"/{module}/{description:0000}/{languageCode}_{key}";
if (romfs.FileExists(filePath))
{
using var binaryFile = new UniqueRef<IFile>();
romfs.OpenFile(ref binaryFile.Ref, filePath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
StreamReader reader = new(binaryFile.Get.AsStream(), Encoding.Unicode);
return CleanText(reader.ReadToEnd());
}
else
{
return "";
}
}
private string[] GetButtonsText(uint module, uint description, string key)
{
string buttonsText = GetMessageText(module, description, key);
return (buttonsText == "") ? null : buttonsText.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.None);
}
private void ParseErrorCommonArg()
{
ErrorCommonArg errorCommonArg = IApplet.ReadStruct<ErrorCommonArg>(_errorStorage);
uint module = errorCommonArg.Module;
uint description = errorCommonArg.Description;
if (_errorCommonHeader.MessageFlag == 0)
{
(module, description) = HexToResultCode(errorCommonArg.ResultCode);
}
string message = GetMessageText(module, description, "DlgMsg");
if (message == "")
{
message = "An error has occured.\n\n"
+ "Please try again later.\n\n"
+ "If the problem persists, please refer to the Ryujinx website.\n"
+ "www.ryujinx.org";
}
string[] buttons = GetButtonsText(module, description, "DlgBtn");
bool showDetails = _horizon.Device.UiHandler.DisplayErrorAppletDialog($"Error Code: {module}-{description:0000}", "\n" + message, buttons);
if (showDetails)
{
message = GetMessageText(module, description, "FlvMsg");
buttons = GetButtonsText(module, description, "FlvBtn");
_horizon.Device.UiHandler.DisplayErrorAppletDialog($"Details: {module}-{description:0000}", "\n" + message, buttons);
}
}
private void ParseApplicationErrorArg()
{
ApplicationErrorArg applicationErrorArg = IApplet.ReadStruct<ApplicationErrorArg>(_errorStorage);
byte[] messageTextBuffer = new byte[0x800];
byte[] detailsTextBuffer = new byte[0x800];
applicationErrorArg.MessageText.AsSpan().CopyTo(messageTextBuffer);
applicationErrorArg.DetailsText.AsSpan().CopyTo(detailsTextBuffer);
string messageText = Encoding.ASCII.GetString(messageTextBuffer.TakeWhile(b => !b.Equals(0)).ToArray());
string detailsText = Encoding.ASCII.GetString(detailsTextBuffer.TakeWhile(b => !b.Equals(0)).ToArray());
List<string> buttons = new();
// TODO: Handle the LanguageCode to return the translated "OK" and "Details".
if (detailsText.Trim() != "")
{
buttons.Add("Details");
}
buttons.Add("OK");
bool showDetails = _horizon.Device.UiHandler.DisplayErrorAppletDialog($"Error Number: {applicationErrorArg.ErrorNumber}", "\n" + messageText, buttons.ToArray());
if (showDetails)
{
buttons.RemoveAt(0);
_horizon.Device.UiHandler.DisplayErrorAppletDialog($"Error Number: {applicationErrorArg.ErrorNumber} (Details)", "\n" + detailsText, buttons.ToArray());
}
}
public ResultCode GetResult()
{
return ResultCode.Success;
}
}
}
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