async Task InteractiveLine(string line, UnixShell shell, ITerminalStream console)
{
using (ResponsiveReadLine readLine = new ResponsiveReadLine(console: console)) {
// use a separate history!
using (readLine.UseHistory(new InputHistory())) {
// read line callback
readLine.Callback = shell.Environment.Input.ToReadLineCallback();
// task for running the command
Task commandRunning = Task.Run(async() => {
await shell.InteractiveAsync(line: line);
await shell.Environment.Input.TryClose();
});
// wait for both
await Task.WhenAll(new [] { commandRunning });
}
}
}
async Task Interactive(UnixShell shell, ITerminalStream console)
{
using (ResponsiveReadLine readLine = new ResponsiveReadLine(console: console)) {
using (readLine.UseHistory(shell.History)) {
bool done = false;
shell.Environment.Input.PipeToLimbo();
await console.WriteAsync(shell.Prompt());
PortableBlockingQueue <ILine> queue = new PortableBlockingQueue <ILine> ();
readLine.Callback = async line => await queue.EnqueueAsync(item : line);
while (!done && console.IsOpen)
{
while (queue.Count > 0)
{
ILine line = await queue.DequeueAsync();
// handle a special command?
if (line.SpecialCommand != SpecialCommands.None)
{
// do something
done |= line.SpecialCommand == SpecialCommands.CloseStream;
}
// normal string input
else
{
// filter empty lines
if (!string.IsNullOrWhiteSpace(line.Line))
{
await InteractiveLine(line : line.Line, shell : shell, console : console);
}
}
await console.WriteAsync(shell.Prompt());
}
await Task.Delay(50);
}
}
}
await console.WriteLineAsync();
}