OverrideArgumentParserAttribute.cs

using System;
using Ultz.Extensions.Commands.Built;
using Ultz.Extensions.Commands.Parsing.ArgumentParsers;

namespace Ultz.Extensions.Commands.Attributes
{
    /// <summary>
    /// Overrides the argument parser for the <see cref="Module" /> or <see cref="Command" />.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
    public class OverrideArgumentParserAttribute : Attribute
    {
        /// <summary>
        /// Initialises a new <see cref="OverrideArgumentParserAttribute" /> with the specified <see cref="Type" /> of a custom
        /// <see cref="IArgumentParser" />.
        /// </summary>
        /// <param name="customArgumentParserType"> The <see cref="Type" /> to override with. </param>
        /// <exception cref="ArgumentNullException">
        /// Custom argument parser type must not be null.
        /// </exception>
        public OverrideArgumentParserAttribute(Type customArgumentParserType)
        {
            Value = customArgumentParserType ?? throw new ArgumentNullException(nameof(customArgumentParserType),
                "Custom type parser type must not be null.");
        }

        /// <summary>
        /// Gets the <see cref="Type" /> of the custom type parser.
        /// </summary>
        public Type Value { get; }
    }
}