// Gets a temporary path if necessary.
protected static string GetPath(string path, ES3FileMode fileMode)
{
// Attempt to create the directory incase it does not exist.
ES3IO.CreateDirectory(ES3IO.GetDirectoryName(path));
if (fileMode != ES3FileMode.Write || fileMode == ES3FileMode.Append)
{
return(path);
}
return((fileMode == ES3FileMode.Write) ? path + ES3.temporaryFileSuffix : path);
}
// Gets a temporary path if necessary.
protected static string GetPath(string path, ES3FileMode fileMode)
{
// Attempt to create the directory incase it does not exist.
string directoryPath = ES3IO.GetDirectoryPath(path);
if (directoryPath != UnityEngine.Application.persistentDataPath)
{
ES3IO.CreateDirectory(directoryPath);
}
if (fileMode != ES3FileMode.Write || fileMode == ES3FileMode.Append)
{
return(path);
}
return((fileMode == ES3FileMode.Write) ? path + ES3.temporaryFileSuffix : path);
}
// Gets a temporary path if necessary.
protected static string GetPath(string path, ES3FileMode fileMode)
{
string directoryPath = ES3IO.GetDirectoryPath(path);
// Attempt to create the directory incase it does not exist if we are storing data.
if (fileMode != ES3FileMode.Read && directoryPath != ES3IO.persistentDataPath)
{
ES3IO.CreateDirectory(directoryPath);
}
if (fileMode != ES3FileMode.Write || fileMode == ES3FileMode.Append)
{
return(path);
}
return((fileMode == ES3FileMode.Write) ? path + ES3IO.temporaryFileSuffix : path);
}
protected override void Dispose(bool disposing)
{
// Ensure we only perform disposable once.
if (isDisposed)
{
return;
}
isDisposed = true;
base.Dispose(disposing);
// If this is a file writer, we need to replace the temp file.
if (fileMode == ES3FileMode.Write && fileMode != ES3FileMode.Append)
{
// Delete the old file before overwriting it.
ES3IO.DeleteFile(path);
// Rename temporary file to new file.
ES3IO.MoveFile(path + ES3.temporaryFileSuffix, path);
}
}
public static Stream CreateStream(ES3Settings settings, ES3FileMode fileMode)
{
bool isWriteStream = (fileMode != ES3FileMode.Read);
Stream stream = null;
try
{
if (settings.location == ES3.Location.InternalMS)
{
// There's no point in creating an empty MemoryStream if we're only reading from it.
if (!isWriteStream)
{
return(null);
}
stream = new MemoryStream(settings.bufferSize);
}
else if (settings.location == ES3.Location.File)
{
if (!isWriteStream && !ES3IO.FileExists(settings.FullPath))
{
return(null);
}
stream = new ES3FileStream(settings.FullPath, fileMode, settings.bufferSize, false);
}
else if (settings.location == ES3.Location.PlayerPrefs)
{
if (isWriteStream)
{
stream = new ES3PlayerPrefsStream(settings.FullPath, settings.bufferSize, (fileMode == ES3FileMode.Append));
}
else
{
if (!PlayerPrefs.HasKey(settings.FullPath))
{
return(null);
}
stream = new ES3PlayerPrefsStream(settings.FullPath);
}
}
else if (settings.location == ES3.Location.Resources)
{
if (!isWriteStream)
{
var resourcesStream = new ES3ResourcesStream(settings.FullPath);
if (resourcesStream.Exists)
{
stream = resourcesStream;
}
else
{
resourcesStream.Dispose();
return(null);
}
}
else if (UnityEngine.Application.isEditor)
{
throw new System.NotSupportedException("Cannot write directly to Resources folder. Try writing to a directory outside of Resources, and then manually move the file there.");
}
else
{
throw new System.NotSupportedException("Cannot write to Resources folder at runtime. Use a different save location at runtime instead.");
}
}
return(CreateStream(stream, settings, fileMode));
}
catch (System.Exception e)
{
if (stream != null)
{
stream.Dispose();
}
throw e;
}
}
public static Stream CreateStream(ES3Settings settings, ES3FileMode fileMode)
{
bool isWriteStream = (fileMode != ES3FileMode.Read);
Stream stream = null;
if (settings.location == ES3.Location.Memory)
{
// There's no point in creating an empty MemoryStream if we're only reading from it.
if (!isWriteStream)
{
return(null);
}
stream = new MemoryStream(settings.bufferSize);
}
else if (settings.location == ES3.Location.File)
{
if (!isWriteStream && !ES3IO.FileExists(settings.FullPath))
{
return(null);
}
stream = new ES3FileStream(settings.FullPath, fileMode, settings.bufferSize, false);
}
else if (settings.location == ES3.Location.PlayerPrefs)
{
if (isWriteStream)
{
stream = new ES3PlayerPrefsStream(settings.FullPath, settings.bufferSize, (fileMode == ES3FileMode.Append));
}
else
{
if (!PlayerPrefs.HasKey(settings.FullPath))
{
return(null);
}
stream = new ES3PlayerPrefsStream(settings.FullPath);
}
}
else if (settings.location == ES3.Location.Resources)
{
if (!isWriteStream)
{
var resourcesStream = new ES3ResourcesStream(settings.FullPath);
if (resourcesStream.Exists)
{
stream = resourcesStream;
}
else
{
resourcesStream.Dispose();
return(null);
}
}
else if (UnityEngine.Application.isEditor)
{
throw new System.NotSupportedException("Cannot write directly to Resources folder. Try writing to a directory outside of Resources, and then manually move the file there.");
}
else
{
throw new System.NotSupportedException("Cannot write to Resources folder at runtime. Use a different save location at runtime instead.");
}
}
#if !DISABLE_ENCRYPTION
if (settings.encryptionType != ES3.EncryptionType.None)
{
EncryptionAlgorithm alg = null;
if (settings.encryptionType == ES3.EncryptionType.AES)
{
alg = new AESEncryptionAlgorithm();
}
stream = new UnbufferedCryptoStream(stream, !isWriteStream, settings.encryptionPassword, settings.bufferSize, alg);
}
#endif
return(stream);
}
