2023-07-02 18:29:36 -06:00

116 lines
3.2 KiB
C#

using CommandLine;
using CommandLine.Text;
using Dinah.Core;
using System;
using System.Linq;
using System.Threading.Tasks;
namespace LibationCli
{
public enum ExitCode
{
ProcessCompletedSuccessfully = 0,
NonRunNonError = 1,
ParseError = 2,
RunTimeError = 3
}
class Program
{
public readonly static Type[] VerbTypes = Setup.LoadVerbs();
static async Task Main(string[] args)
{
#if DEBUG
string input = "";
//input = " set-status -n --force B017V4IM1G";
//input = " liberate B017V4IM1G";
//input = " convert B017V4IM1G";
//input = " search \"-liberated\"";
//input = " export --help";
//input = " version --check";
//input = " scan rmcrackan";
//input = " help set-status";
//input = " liberate ";
// note: this hack will fail for quoted file paths with spaces because it will break on those spaces
if (!string.IsNullOrWhiteSpace(input))
args = input.Split(' ', StringSplitOptions.RemoveEmptyEntries);
var setBreakPointHere = args;
#endif
var result = new Parser(ConfigureParser).ParseArguments(args, VerbTypes);
if (result.Value is HelpVerb helper)
Console.Error.WriteLine(helper.GetHelpText());
else if (result.TypeInfo.Current == typeof(HelpVerb))
{
//Error parsing the command, but the verb type was identified as HelpVerb
//Print LibationCli usage
var helpText = HelpVerb.CreateHelpText();
helpText.AddVerbs(VerbTypes);
Console.Error.WriteLine(helpText);
}
else if (result.Errors.Any())
HandleErrors(result);
else
{
//Everything parsed correctly, so execute the command
//***********************************************//
// //
// do not use Configuration before this line //
// //
//***********************************************//
Setup.Initialize();
// if successfully parsed
// async: run parsed options
await result.WithParsedAsync<OptionsBase>(opt => opt.Run());
}
}
private static void HandleErrors(ParserResult<object> result)
{
var errorsList = result.Errors.ToList();
if (errorsList.Any(e => e.Tag.In(ErrorType.HelpRequestedError, ErrorType.VersionRequestedError, ErrorType.HelpVerbRequestedError)))
{
Environment.ExitCode = (int)ExitCode.NonRunNonError;
return;
}
Environment.ExitCode = (int)ExitCode.ParseError;
var helpText = HelpVerb.CreateHelpText();
if (errorsList.OfType<NoVerbSelectedError>().Any())
{
//Print LibationCli usage
helpText.AddPreOptionsLine("No verb selected");
helpText.AddVerbs(VerbTypes);
}
else
{
//print the specified verb's usage
helpText.AddDashesToOption = true;
helpText.AutoHelp = true;
if (!errorsList.OfType<UnknownOptionError>().Any(o => o.Token.ToLower() == "help"))
{
//verb was not executed with the "--help" option,
//so print verb option parsing error info.
helpText = HelpText.DefaultParsingErrorsHandler(result, helpText);
}
helpText.AddOptions(result);
}
Console.Error.WriteLine(helpText);
}
private static void ConfigureParser(ParserSettings settings)
{
settings.AutoVersion = false;
settings.AutoHelp = false;
}
}
}