public static int Main(string[] args)
{
if (!AssignCommand(args))
{
ShowUsage();
return(1);
}
var configuration = new ConfigurationBuilder().AddCommandLine(args).Build();
var options = new ToolOptions();
configuration.Bind(options);
Func <ParsedToolOptions, ICommand> commandCreator = null;
var(isValid, errorMessage, parsedOptions) = new ToolOptionsParser(options).Parse();
if (isValid)
{
if (!_commandMap.TryGetValue(parsedOptions.Command, out commandCreator))
{
isValid = false;
errorMessage = $"Cannot find implementation for command {parsedOptions.Command}.";
}
}
if (!isValid)
{
Console.WriteLine(errorMessage);
Console.WriteLine();
ShowUsage();
return(1);
}
try
{
commandCreator(parsedOptions).Run();
}
catch (Exception ex)
{
Console.WriteLine($"ERROR: {ex.Message}");
return(1);
}
return(0);
}
public ToolOptionsParser(ToolOptions options) => _options = options;