internal ParserResult(T value, TypeInfo typeInfo)
{
Value = value ?? throw new ArgumentNullException(nameof(value));
this.tag = ParserResultType.Parsed;
this.typeInfo = typeInfo ?? TypeInfo.Create(value.GetType());
Errors = new Error[0];
}
internal ParserResult(ParserResultType tag, T value, IEnumerable <Error> errors, Maybe <IEnumerable <Type> > verbTypes)
{
this.tag = tag;
this.value = value;
this.errors = errors;
this.verbTypes = verbTypes;
}
internal ParserResult(IEnumerable <Error> errors, TypeInfo typeInfo)
{
this.tag = ParserResultType.NotParsed;
this.typeInfo = typeInfo ?? TypeInfo.Create(typeof(T));
Errors = errors ?? new Error[0];
Value = default;
}
internal ParserResult(ParserResultType tag, T value, IEnumerable <Error> errors, Maybe <IEnumerable <Type> > verbTypes)
{
if (object.Equals(value, default(T)))
{
throw new ArgumentNullException("value");
}
if (errors == null)
{
throw new ArgumentNullException("errors");
}
this.tag = tag;
this.value = value;
this.errors = errors;
this.verbTypes = verbTypes;
}
public static CommandOptions ParseCommandLine(string[] args)
{
try {
CommandOptions thisOptions = new CommandOptions();
var writer = new StringWriter();
var parser = new Parser(with => with.HelpWriter = writer);
var options = parser.ParseArguments <CommandOptions>(args);
ParserResultType tag = options.Tag;
if (tag == ParserResultType.NotParsed)
{
thisOptions.ParserMessage = writer.ToString();
return(thisOptions);
}
options.WithParsed(opt => thisOptions = opt); // An arcane way to set thisOptions because the CommandOptions library if going for functional style
if (!IodClientMethods.TaskTypes.Keys.Contains(thisOptions.TaskType))
{
var help = CommandLine.Text.HelpText.AutoBuild(parser.ParseArguments <CommandOptions>(new[] { "--help" }));
thisOptions.ParserMessage = $"Invalid task type -e {thisOptions.TaskType}\n{help}";
return(thisOptions);
}
if ((thisOptions.UserName == null || thisOptions.Password == null) && (thisOptions.UserName != null || thisOptions.Password != null))
{
var help = CommandLine.Text.HelpText.AutoBuild(parser.ParseArguments <CommandOptions>(new[] { "--help" }));
thisOptions.ParserMessage = $"UserName and Password must both be specified or neither specified\n{help}";
return(thisOptions);
}
return(thisOptions);
}
catch (Exception ex)
{
throw new ApplicationException("Error parsing command line arguments: ", ex);
}
}
public void Enforce_required_within_mutually_exclusive_set_only(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InstanceBuilder.Build(
Maybe.Just<Func<FakeOptionsWithTwoRequiredAndSets>>(() => new FakeOptionsWithTwoRequiredAndSets()),
arguments,
StringComparer.Ordinal,
CultureInfo.InvariantCulture);
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed<FakeOptionsWithTwoRequiredAndSets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType<Parsed<FakeOptionsWithTwoRequiredAndSets>>();
}
}
public void Empty_set_options_allowed_with_mutually_exclusive_sets(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InstanceBuilder.Build(
Maybe.Just<Func<Options_With_Named_And_Empty_Sets>>(() => new Options_With_Named_And_Empty_Sets()),
arguments,
StringComparer.Ordinal,
CultureInfo.InvariantCulture,
Enumerable.Empty<ErrorType>());
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed<Options_With_Named_And_Empty_Sets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType<Parsed<Options_With_Named_And_Empty_Sets>>();
}
}
public void Enforce_required_within_mutually_exclusive_set_only(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InvokeBuild <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets>(
arguments);
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType <Parsed <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets> >();
}
}
public void Empty_set_options_allowed_with_mutually_exclusive_sets(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InvokeBuild <Options_With_Named_And_Empty_Sets>(
arguments);
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed <Options_With_Named_And_Empty_Sets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType <Parsed <Options_With_Named_And_Empty_Sets> >();
}
}
public void Enforce_required_within_mutually_exclusive_set_only(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InstanceBuilder.Build(
Maybe.Just <Func <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets> >(() => new Options_With_Two_Option_Required_Set_To_True_And_Two_Sets()),
arguments,
StringComparer.Ordinal,
CultureInfo.InvariantCulture,
Enumerable.Empty <ErrorType>());
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType <Parsed <Options_With_Two_Option_Required_Set_To_True_And_Two_Sets> >();
}
}
/// <summary>
///
/// </summary>
/// <param name="tag"></param>
internal ParserResult(ParserResultType tag, T value)
{
Tag = tag;
Value = value;
}
internal ParserResult(ParserResultType tag, T value, IEnumerable <Type> verbTypes)
{
this.tag = tag;
this.value = value;
this.verbTypes = verbTypes;
}
public void Empty_set_options_allowed_with_mutually_exclusive_sets(string[] arguments, ParserResultType type, int expected)
{
// Exercize system
var result = InstanceBuilder.Build(
Maybe.Just <Func <FakeOptionsWithNamedAndEmptySets> >(() => new FakeOptionsWithNamedAndEmptySets()),
arguments,
StringComparer.Ordinal,
CultureInfo.InvariantCulture);
// Verify outcome
if (type == ParserResultType.NotParsed)
{
((NotParsed <FakeOptionsWithNamedAndEmptySets>)result).Errors.Should().HaveCount(x => x == expected);
}
else if (type == ParserResultType.Parsed)
{
result.Should().BeOfType <Parsed <FakeOptionsWithNamedAndEmptySets> >();
}
}
internal ParserResult(ParserResultType tag, TypeInfo typeInfo)
{
this.tag = tag;
this.typeInfo = typeInfo;
}
