// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Collections.Immutable;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.Formatting.Rules;
 
[NonDefaultable]
internal readonly struct NextGetAdjustSpacesOperation(
    ImmutableArray<AbstractFormattingRule> formattingRules,
    int index)
{
    private NextGetAdjustSpacesOperation NextOperation
        => new(formattingRules, index + 1);
 
    public AdjustSpacesOperation? Invoke(in SyntaxToken previousToken, in SyntaxToken currentToken)
    {
        // If we have no remaining handlers to execute, then we'll execute our last handler
        if (index >= formattingRules.Length)
        {
            return null;
        }
        else
        {
            // Call the handler at the index, passing a continuation that will come back to here with index + 1
            return formattingRules[index].GetAdjustSpacesOperation(in previousToken, in currentToken, NextOperation);
        }
    }
}