static JSettings _Load(string file, Type type, bool useDefault)
{
JSettings R = null;
if (AFile.ExistsAsAny(file))
{
try {
if (useDefault)
{
AFile.Delete(file);
}
else
{
var b = AFile.LoadBytes(file);
var opt = new JsonSerializerOptions {
IgnoreNullValues = true, AllowTrailingCommas = true
};
R = JsonSerializer.Deserialize(b, type, opt) as JSettings;
}
}
catch (Exception ex) {
string es = ex.ToStringWithoutStack();
if (useDefault)
{
AOutput.Write($"Failed to delete settings file '{file}'. {es}");
}
else
{
string backup = file + ".backup";
try { AFile.Move(file, backup, IfExists.Delete); } catch { backup = "failed"; }
AOutput.Write(
$@"Failed to load settings from {file}. Will use default settings.
{es}
Backup: {backup}" );
}
}
}
R ??= Activator.CreateInstance(type) as JSettings;
R._file = file;
R._loaded = true;
//autosave
if (Interlocked.Exchange(ref s_loadedOnce, 1) == 0)
{
AThread.Start(() => {
for (; ;)
{
Thread.Sleep(2000);
_SaveAllIfNeed();
}
}, sta: false);
AProcess.Exit += (unu, sed) => _SaveAllIfNeed(); //info: Core does not call finalizers when process exits
}
lock (s_list) s_list.Add(R);
return(R);
}