/// <summary>
/// Writes error messages.
/// </summary>
public static void WriteError(this CommandContext context, params string[] messages)
{
foreach (var message in messages)
{
context.Response.Messages.Add(ResponseMessage.Error(message));
}
}
public CommandContext(HttpContext context, Request request, Response response, CommandInfo info, ICommand command)
{
HttpContext = context ?? throw new ArgumentNullException(nameof(context));
Request = request ?? throw new ArgumentNullException(nameof(request));
Response = response ?? throw new ArgumentNullException(nameof(response));
Info = info ?? throw new ArgumentNullException(nameof(info));
Command = command ?? throw new ArgumentNullException(nameof(command));
// these TextWriters are for writing console out and error messages, just
// like Console.Out and Console.Error
OutWriter = new ResponseMessageTextWriter(text =>
{
Response.Messages.Add(ResponseMessage.Plain(text));
});
ErrorWriter = new ResponseMessageTextWriter(text =>
{
Response.Messages.Add(ResponseMessage.Error(text));
});
Processor = new CommandLineApplication
{
Name = info.Name,
FullName = info.Description,
Description = info.LongDescription,
Out = OutWriter,
Error = ErrorWriter
};
Processor.HelpOption("-?|-h|--help");
HttpContext.Response.OnCompleted(OnResponseSent);
}
/// <summary>
/// Writes an error message.
/// </summary>
public static void WriteError(this CommandContext context, Exception e, bool returnStackTrace = false)
{
context.Response.Messages.Add(ResponseMessage.Error(returnStackTrace ? e.ToString() : e.Message));
}
