public static ParameterBuilder CreateParameterBuilder(CommandBuilder command, ParameterInfo parameterInfo, bool last) { var builder = new ParameterBuilder(parameterInfo.ParameterType, command); var attributes = parameterInfo.GetCustomAttributes(false); for (var i = 0; i < attributes.Length; i++) { switch (attributes[i]) { case NameAttribute nameAttribute: builder.WithName(nameAttribute.Value); break; case DescriptionAttribute descriptionAttribute: builder.WithDescription(descriptionAttribute.Value); break; case RemarksAttribute remarksAttribute: builder.WithRemarks(remarksAttribute.Value); break; case ParamArrayAttribute _: if (!last) { throw new ParameterBuildingException(builder, $"A params array parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType}."); } builder.WithIsMultiple(true); builder.Type = parameterInfo.ParameterType.GetElementType(); break; case RemainderAttribute _: if (!last) { throw new ParameterBuildingException(builder, $"A remainder parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType}."); } builder.WithIsRemainder(true); break; case OverrideTypeParserAttribute overrideTypeParserAttribute: builder.WithCustomTypeParserType(overrideTypeParserAttribute.Value); if (overrideTypeParserAttribute.GetType() != typeof(OverrideTypeParserAttribute)) { builder.AddAttribute(overrideTypeParserAttribute); } break; case ParameterCheckAttribute parameterCheckAttribute: builder.AddCheck(parameterCheckAttribute); break; case Attribute attribute: builder.AddAttribute(attribute); break; } } if (parameterInfo.HasDefaultValue) { builder.WithIsOptional(true) .WithDefaultValue(parameterInfo.DefaultValue); } else if (builder.IsMultiple) { builder.WithIsOptional(true) .WithDefaultValue(Array.CreateInstance(builder.Type, 0)); } if (builder.Name == null) { builder.WithName(parameterInfo.Name); } return(builder); }
public static ParameterBuilder BuildParameter(ParameterInfo parameterInfo, bool last) { var builder = new ParameterBuilder(); var attributes = parameterInfo.GetCustomAttributes(false); for (var i = 0; i < attributes.Length; i++) { switch (attributes[i]) { case NameAttribute nameAttribute: builder.WithName(nameAttribute.Name); break; case DescriptionAttribute descriptionAttribute: builder.WithDescription(descriptionAttribute.Description); break; case RemarksAttribute remarksAttribute: builder.WithRemarks(remarksAttribute.Remarks); break; case ParamArrayAttribute _: if (!last) { throw new InvalidOperationException($"A params array parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType.Name}."); } builder.WithIsMultiple(true) .WithType(parameterInfo.ParameterType.GetElementType()); break; case RemainderAttribute _: if (!last) { throw new InvalidOperationException($"A remainder parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType.Name}."); } builder.WithIsRemainder(true); break; case OverwriteTypeParserAttribute overwriteTypeParserAttribute: builder.CustomTypeParserType = overwriteTypeParserAttribute.CustomTypeParserType; break; case ParameterCheckBaseAttribute parameterCheckAttribute: builder.AddCheck(parameterCheckAttribute); break; case Attribute attribute: builder.AddAttribute(attribute); break; } } if (parameterInfo.HasDefaultValue) { builder.WithIsOptional(true) .WithDefaultValue(parameterInfo.DefaultValue); } if (!builder.IsMultiple) { builder.WithType(parameterInfo.ParameterType); } if (builder.Name is null) { builder.WithName(parameterInfo.Name); } return(builder); }