public static async Task <bool> IsExeFs(IReadOnlyBinaryDataAccessor file)
{
try
{
if (file.Length < 0x200)
{
return(false);
}
var exefs = await ExeFs.Load(file).ConfigureAwait(false);
return(exefs.Files.Any() && exefs.AreAllHashesValid());
}
catch (Exception)
{
return(false);
}
}
public async Task Initialize(IReadOnlyBinaryDataAccessor data)
{
if (Header != null && Header.RomFsSize > 0)
{
if (Header.ExeFsOffset > 0 && Header.ExeFsSize > 0)
{
ExeFs = await ExeFs.Load(data.GetReadOnlyDataReference((long)Header.ExeFsOffset *MediaUnitSize, (long)Header.ExeFsSize *MediaUnitSize));
}
if (Header.RomFsOffset > 0 && Header.RomFsOffset > 0)
{
RomFs = await RomFs.Load(data.GetReadOnlyDataReference((long)Header.RomFsOffset *MediaUnitSize, (long)Header.RomFsSize *MediaUnitSize));
}
if (Header.ExHeaderSize > 0)
{
ExHeader = data.GetReadOnlyDataReference(0x200, Header.ExHeaderSize);
}
}
}
public static async Task <bool> IsExeFs(IBinaryDataAccessor file)
{
try
{
if (file.Length < 0x200)
{
return(false);
}
var exefsHeaders = (await ExeFs.Load(file)).Headers.Where(h => !string.IsNullOrEmpty(h.Filename));
if (!exefsHeaders.Any())
{
return(false);
}
return(exefsHeaders.All(h => h.Offset >= 0x200 && (h.Offset + h.FileSize) < file.Length));
}
catch (Exception)
{
return(false);
}
}
public async Task Initialize(IReadOnlyBinaryDataAccessor data)
{
this.RawData = data;
if (Header != null && Header.RomFsSize > 0)
{
if (Header.ExeFsOffset > 0 && Header.ExeFsSize > 0)
{
ExeFs = await ExeFs.Load(data.Slice((long)Header.ExeFsOffset *MediaUnitSize, (long)Header.ExeFsSize *MediaUnitSize));
}
if (Header.RomFsOffset > 0 && Header.RomFsOffset > 0)
{
RomFs = await RomFs.Load(data.Slice((long)Header.RomFsOffset *MediaUnitSize, (long)Header.RomFsSize *MediaUnitSize));
}
if (Header.ExHeaderSize > 0)
{
ExHeader = await NcchExtendedHeader.Load(data.Slice(0x200, Header.ExHeaderSize));
}
PlainRegion = await data.ReadStringAsync(Header.PlainRegionOffset *MediaUnitSize, Header.PlainRegionSize *MediaUnitSize, Encoding.ASCII);
Logo = await data.ReadArrayAsync(Header.LogoRegionOffset *MediaUnitSize, Header.LogoRegionSize *MediaUnitSize);
}
}