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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading.Tasks;
namespace ndview
{
public sealed class TempDirectory : IDisposable
{
public DirectoryInfo Directory { get; }
public TempDirectory(DirectoryInfo location)
{
Directory = new DirectoryInfo(Path.Combine(location.FullName, TempFile.GenerateLocation()));
Directory.Create();
}
public TempDirectory() : this(new DirectoryInfo(TempFile.TempFileLocation)) { }
public void Dispose()
{
Directory.Delete(true);
}
}
public sealed class TempFile : IDisposable, IAsyncDisposable
{
public static string GenerateLocation()
{
var time = DateTime.Now;
return $"{time.Year}-{time.Month}-{time.Day}-{time.Hour}.{time.Minute}.{time.Second}.{time.Millisecond}-{Guid.NewGuid().ToString()}";
}
public void Dispose()
{
if (File.Exists)
{
Stream.Dispose();
File.Delete();
}
}
public async ValueTask DisposeAsync()
{
if (File.Exists)
{
await Stream.DisposeAsync();
File.Delete();
}
}
~TempFile()
{
if (File.Exists)
{
try { File.Delete(); } catch { }
}
}
public static string TempFileLocation { get; set; }
static TempFile()
{
TempFileLocation = Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), GenerateLocation())).FullName;
AppDomain.CurrentDomain.DomainUnload += (o, e) =>
{
try
{
foreach (var file in new DirectoryInfo(TempFileLocation).GetFiles()) try
{
file.Delete();
}
catch { }
Directory.Delete(TempFileLocation, true);
}
catch { }
};
}
private FileInfo File { get; }
public Stream Stream { get; }
public TempFile(DirectoryInfo location)
{
var nam = Path.Combine(location.FullName, GenerateLocation() + ".tmp");
File = new FileInfo(nam);
Stream = new FileStream(nam, FileMode.Create);
}
public TempFile() : this(new DirectoryInfo(TempFileLocation)) { }
}
}