// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;

namespace Microsoft.AspNetCore.Razor.Language.Extensions
{
	public static class NamespaceDirective
	{
		public static readonly DirectiveDescriptor Directive = DirectiveDescriptor.CreateDirective(
			"namespace",
			DirectiveKind.SingleLine,
			builder =>
			{
				builder.AddNamespaceToken(
					Resources.NamespaceDirective_NamespaceToken_Name,
					Resources.NamespaceDirective_NamespaceToken_Description );
				builder.Usage = DirectiveUsage.FileScopedSinglyOccurring;
				builder.Description = Resources.NamespaceDirective_Description;
			} );

		public static RazorProjectEngineBuilder Register( RazorProjectEngineBuilder builder )
		{
			if ( builder == null )
			{
				throw new ArgumentNullException( nameof( builder ) );
			}

			builder.AddDirective( Directive, FileKinds.Legacy, FileKinds.Component, FileKinds.ComponentImport );
			return builder;
		}
	}
}
