public async Task <DataResolverResult> Resolve(string identifier, TaskParameter parameters, CancellationToken token)
{
var resolved = await _resolver.Resolve(identifier, parameters, token);
if (resolved.Stream == null && resolved.Decoded == null)
{
throw new ArgumentNullException($"{nameof(resolved.Stream)} and {nameof(resolved.Decoded)}");
}
if (resolved.Stream != null && !resolved.Stream.CanSeek)
{
using (resolved.Stream)
{
var memoryStream = new MemoryStream();
await resolved.Stream.CopyToAsync(memoryStream);
memoryStream.Position = 0;
resolved = new DataResolverResult(memoryStream, resolved.LoadingResult, resolved.ImageInformation);
}
}
if (resolved.Stream != null)
{
if (resolved.Stream.Length == 0)
{
throw new InvalidDataException("Zero length stream");
}
if (resolved.Stream.Length < 32)
{
throw new InvalidDataException("Invalid stream");
}
if (resolved.ImageInformation.Type == ImageInformation.ImageType.Unknown)
{
//READ HEADER
const int headerLength = 4;
byte[] header = new byte[headerLength];
int offset = 0;
while (offset < headerLength)
{
int read = await resolved.Stream.ReadAsync(header, offset, headerLength - offset);
offset += read;
}
resolved.Stream.Position = 0;
resolved.ImageInformation.SetType(FileHeader.GetImageType(header));
}
if (resolved.ImageInformation.Type == ImageInformation.ImageType.JPEG)
{
var exif = ExifHelper.Read(resolved.Stream);
resolved.Stream.Position = 0;
resolved.ImageInformation.SetExif(exif);
}
}
return(resolved);
}
public async Task <Tuple <Stream, LoadingResult, ImageInformation> > Resolve(string identifier, TaskParameter parameters, CancellationToken token)
{
var resolved = await _resolver.Resolve(identifier, parameters, token);
if (resolved.Item1 == null)
{
throw new ArgumentNullException(nameof(parameters.Stream));
}
if (!resolved.Item1.CanSeek)
{
using (resolved.Item1)
{
var memoryStream = new MemoryStream();
await resolved.Item1.CopyToAsync(memoryStream);
memoryStream.Position = 0;
resolved = new Tuple <Stream, LoadingResult, ImageInformation>(memoryStream, resolved.Item2, resolved.Item3);
}
}
if (resolved.Item1.Length == 0)
{
throw new InvalidDataException("Zero length stream");
}
if (resolved.Item1.Length < 32)
{
throw new InvalidDataException("Invalid stream");
}
if (resolved.Item3.Type == ImageInformation.ImageType.Unknown)
{
//READ HEADER
const int headerLength = 4;
byte[] header = new byte[headerLength];
int offset = 0;
while (offset < headerLength)
{
int read = await resolved.Item1.ReadAsync(header, offset, headerLength - offset);
offset += read;
}
resolved.Item1.Position = 0;
resolved.Item3.SetType(FileHeader.GetImageType(header));
}
return(resolved);
}
public async Task <DataResolverResult> Resolve(string identifier, TaskParameter parameters, CancellationToken token)
{
var resolved = await _resolver.Resolve(identifier, parameters, token).ConfigureAwait(false);
if (resolved.Stream == null && resolved.Decoded == null)
{
throw new ArgumentNullException($"{nameof(resolved.Stream)} and {nameof(resolved.Decoded)}");
}
resolved.Stream = await resolved.Stream.AsSeekableStreamAsync().ConfigureAwait(false);
if (resolved.Stream != null)
{
if (resolved.Stream.Length == 0)
{
throw new InvalidDataException("Zero length stream");
}
if (resolved.Stream.Length < 32)
{
throw new InvalidDataException("Invalid stream");
}
if (resolved.ImageInformation.Type == ImageInformation.ImageType.Unknown)
{
//READ HEADER
const int headerLength = 4;
var header = new byte[headerLength];
var offset = 0;
while (offset < headerLength)
{
offset += await resolved.Stream.ReadAsync(header, offset, headerLength - offset).ConfigureAwait(false);
}
resolved.Stream.Position = 0;
resolved.ImageInformation.SetType(FileHeader.GetImageType(header));
}
if (resolved.ImageInformation.Type == ImageInformation.ImageType.JPEG)
{
var exif = ExifHelper.Read(resolved.Stream);
resolved.Stream.Position = 0;
resolved.ImageInformation.SetExif(exif);
}
}
return(resolved);
}
public PlayerPrefsData(string key, IDataResolver dataResolver)
{
m_Key = key;
m_DataResolver = dataResolver;
var s = PlayerPrefs.GetString(m_Key, "");
if (m_DataResolver != null &&
m_DataResolver.Resolve(s, out string rS))
{
Debug.Log($"Resolved from: {s} to: {rS}");
s = rS;
}
if (string.IsNullOrEmpty(s))
{
m_Value = new T();
}
else
{
m_Value = JsonUtility.FromJson <PlayerPrefsData <T> >(s).m_Value;
}
}
