/// <summary>
/// Creates a file or opens an existing file in this directory.
/// </summary>
public TempFile CreateOrOpenFile(string name)
{
string filePath = System.IO.Path.Combine(_path, name);
TempRoot.CreateStream(filePath, FileMode.OpenOrCreate);
return(_root.AddFile(new DisposableFile(filePath)));
}
internal TempFile(string prefix, string extension, string directory, string callerSourcePath, int callerLineNumber)
{
while (true)
{
if (prefix == null)
{
prefix = System.IO.Path.GetFileName(callerSourcePath) + "_" + callerLineNumber.ToString() + "_";
}
_path = System.IO.Path.Combine(directory ?? TempRoot.Root, prefix + Guid.NewGuid() + (extension ?? ".tmp"));
try
{
TempRoot.CreateStream(_path, FileMode.CreateNew);
break;
}
catch (PathTooLongException)
{
throw;
}
catch (DirectoryNotFoundException)
{
throw;
}
catch (IOException)
{
// retry
}
}
}
private TempDirectory(string path, TempRoot root)
{
Debug.Assert(path != null);
Debug.Assert(root != null);
_path = path;
_root = root;
}
public DisposableDirectory(TempRoot root)
: base(root)
{
}
protected TempDirectory(TempRoot root)
: this(CreateUniqueDirectory(TempRoot.Root), root)
{
}