public Task <ITypeParserResult <Enum> > ParseAsync(string value, IParameter parameter, CommandContext context)
{
if (string.IsNullOrWhiteSpace(value))
{
ITypeParserResult <Enum> result = new TypeParserFailResult <Enum>();
return(Task.FromResult(result));
}
var config = context.CommandServices.GetRequiredService <IOptions <MariCommandsOptions> >().Value;
var ignoreCase = IsIgnoreCase(config.Comparison);
if (Enum.TryParse(parameter.ParameterInfo.ParameterType, value, ignoreCase, out var parseResult))
{
ITypeParserResult <Enum> result = TypeParserSuccessResult <Enum> .FromValue(parseResult as Enum);
return(Task.FromResult(result));
}
else
{
ITypeParserResult <Enum> result = new TypeParserFailResult <Enum>();
return(Task.FromResult(result));
}
}
/// <summary>
/// Creates a new instance of <see cref="NullableTypeParserResult{T}" /> with the specified
/// result.
/// </summary>
/// <param name="result">The original type parser result.</param>
public NullableTypeParserResult(ITypeParserResult <T> result)
{
RealResult = result;
Value = result.Value;
Success = result.Success;
Reason = result.Reason;
Exception = result.Exception;
}
public Task <ITypeParserResult <string> > ParseAsync(string value, IParameter parameter, CommandContext context)
{
if (string.IsNullOrWhiteSpace(value))
{
ITypeParserResult <string> result = new TypeParserFailResult <string>();
return(Task.FromResult(result));
}
else
{
ITypeParserResult <string> result = TypeParserSuccessResult <string> .FromValue(value);
return(Task.FromResult(result));
}
}
public Task <ITypeParserResult <T> > ParseAsync(string value, IParameter parameter, CommandContext context)
{
if (_tryParseDelegate(value, out var parseResult))
{
ITypeParserResult <T> result = TypeParserSuccessResult <T> .FromValue(parseResult);
return(Task.FromResult(result));
}
else
{
ITypeParserResult <T> result = new TypeParserFailResult <T>();
return(Task.FromResult(result));
}
}
/// <summary>
/// Creates a new instance of <see cref="NullableTypeParserResult{T}" /> with the specified
/// result.
/// </summary>
/// <param name="result">The original type parser result.</param>
/// <returns>A <see cref="NullableTypeParserResult{T}" />.</returns>
public static NullableTypeParserResult <T> FromResult(ITypeParserResult <T> result)
=> new NullableTypeParserResult <T>(result);
/// <summary> /// Creates a new instance of<see cref= "ArgumentTypeParserFailResult" /> with the specified /// <see cref="ITypeParserResult" />. /// </summary> /// <param name="typeParserResult">The result returned from the type parser.</param> /// <returns>A <see cref="ArgumentTypeParserFailResult" />.</returns> public static ArgumentTypeParserFailResult FromTypeParserResult(ITypeParserResult typeParserResult) => new ArgumentTypeParserFailResult(typeParserResult);
/// <summary>
/// Creates a new instance of <see cref="ArgumentTypeParserFailResult" /> with the specified
/// <see cref="ITypeParserResult" />.
/// </summary>
/// <param name="typeParserResult">The result returned from the type parser.</param>
public ArgumentTypeParserFailResult(ITypeParserResult typeParserResult)
{
TypeParserResult = typeParserResult;
}
