public object Execute(TwainCommand command)
{
if (this.IsValid)
{
this._proc.StandardInput.WriteLine(Separators.BeginRequest);
this._proc.StandardInput.WriteLine(Convert.ToBase64String(command.ToArray()));
for (string _response = null; (this.IsValid = !string.IsNullOrEmpty(_response = this._proc.StandardOutput.ReadLine())) && _response != Separators.BeginResponse;)
{
if (_response == Separators.BeginEvent)
{
this._OnEvent();
continue;
}
}
for (string _data = null; this.IsValid && (this.IsValid = !string.IsNullOrEmpty(_data = this._proc.StandardOutput.ReadLine()));)
{
try {
return(TwainCommand.FromArray(Convert.FromBase64String(_data)).Result);
} catch (Exception ex) {
return(ex);
} finally {
for (string _response = null; this.IsValid && (this.IsValid = !string.IsNullOrEmpty(_response = this._proc.StandardOutput.ReadLine())) && _response != Separators.EndResponse;)
{
}
}
}
return(this.GetException() ?? new InvalidOperationException());
}
throw this.GetException() ?? new InvalidOperationException();
}
public static byte[] Execute(Twain32 twain32, byte[] command)
{
var _command = TwainCommand.FromArray(command);
new TwainProxy {
Twain32 = twain32
}._ExecuteCore(_command);
return(_command.ToArray());
}
private void _ExecuteCore(TwainCommand command)
{
try {
for (var _method = command as MethodTwainCommand; _method != null;)
{
command.Result = ((MethodInfo)_method.Member).Invoke(this[_method.Member.DeclaringType], _method.Parameters);
return;
}
} catch (Exception ex) {
command.Result = ex;
}
}
private void _OnEvent()
{
for (string _event = null; this.IsValid && (this.IsValid = !string.IsNullOrEmpty(_event = this._proc.StandardOutput.ReadLine()));)
{
var _res = TwainCommand.FromArray(Convert.FromBase64String(_event)) as EventHandlerTwainCommand;
if (_res != null && this.FireEvent != null)
{
this.FireEvent(_res);
}
this._proc.StandardInput.WriteLine(Convert.ToBase64String(_res.ToArray()));
break;
}
for (string _response = null; this.IsValid && (this.IsValid = !string.IsNullOrEmpty(_response = this._proc.StandardOutput.ReadLine())) && _response != Separators.EndEvent;)
{
}
}
public static IEnumerable <byte[]> Execute(Twain32 twain32, IEnumerable <byte[]> commands)
{
var _proxy = new TwainProxy {
Twain32 = twain32
};
foreach (var _data in commands)
{
for (var _command = TwainCommand.FromArray(_data); _command != null;)
{
_proxy._ExecuteCore(_command);
yield return(_command.ToArray());
break;
}
}
yield break;
}
public static void Handler(Twain32 twain32)
{
try {
#region Method Handler
Action _method = () => {
var _result = TwainProxy.Execute(twain32, Convert.FromBase64String(Console.In.ReadLine()));
Console.Out.WriteLine(Separators.BeginResponse);
Console.Out.WriteLine(Convert.ToBase64String(_result));
Console.Out.WriteLine(Separators.EndResponse);
};
#endregion
#region Event Handler
Action <EventHandlerTwainCommand> _event = command => {
Console.Out.WriteLine(Separators.BeginEvent);
try {
Console.Out.WriteLine(Convert.ToBase64String(command.ToArray()));
for (string _responce = null; !string.IsNullOrEmpty(_responce = Console.In.ReadLine());)
{
if (_responce == Separators.BeginRequest)
{
_method();
continue;
}
var _res = ((EventHandlerTwainCommand)TwainCommand.FromArray(Convert.FromBase64String(_responce))).Args;
foreach (var _property in _res.GetType().GetProperties())
{
var _setter = _property.GetSetMethod();
if (_setter != null)
{
_setter.Invoke(command.Args, new object[] { _property.GetValue(_res, null) });
}
}
break;
}
} finally {
Console.Out.WriteLine(Separators.EndEvent);
}
};
#endregion
#region AcquireError
twain32.AcquireError += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.AcquireError),
Args = e
});
};
#endregion
#region XferDone
twain32.XferDone += (sender, e) => {
var _args = new Twain32.SerializableCancelEventArgs {
Cancel = e.Cancel
};
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.XferDone),
Args = _args
});
e.Cancel = _args.Cancel;
};
#endregion
#region EndXfer
twain32.EndXfer += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.EndXfer),
Args = e
});
};
#endregion
#region SetupMemXferEvent
twain32.SetupMemXferEvent += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.SetupMemXferEvent),
Args = e
});
};
#endregion
#region MemXferEvent
twain32.MemXferEvent += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.MemXferEvent),
Args = e
});
};
#endregion
#region SetupFileXferEvent
twain32.SetupFileXferEvent += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.SetupFileXferEvent),
Args = e
});
};
#endregion
#region FileXferEvent
twain32.FileXferEvent += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.FileXferEvent),
Args = e
});
};
#endregion
#region TwainStateChanged
twain32.TwainStateChanged += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.TwainStateChanged),
Args = e
});
};
#endregion
#region AcquireCompleted
twain32.AcquireCompleted += (sender, e) => {
_event(new EventHandlerTwainCommand {
Member = typeof(Twain32).GetEvent(Twain32Events.AcquireCompleted),
Args = e
});
};
#endregion
Console.Out.WriteLine(Separators.Ready);
for (string _query = null; !string.IsNullOrEmpty(_query = Console.In.ReadLine()) && _query != Separators.End;)
{
if (_query == Separators.BeginRequest)
{
_method();
}
}
} catch (Exception ex) {
try {
Console.Error.WriteLine(Separators.BeginException);
for (var _ex = ex; _ex != null; _ex = _ex.InnerException)
{
Console.Error.WriteLine("{0}: {1}", _ex.GetType().Name, _ex.Message);
Console.Error.WriteLine(_ex.StackTrace);
Console.Error.WriteLine();
}
Console.Error.WriteLine(Separators.EndException);
} catch {
}
}
}
