// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
#nullable disable
 
namespace Microsoft.Build.Globbing.Visitor
{
    internal abstract class GlobVisitor
    {
        public void Visit(IMSBuildGlob glob)
        {
            if (glob is MSBuildGlob msbuildGlob)
            {
                VisitMSBuildGlob(msbuildGlob);
            }
 
            if (glob is CompositeGlob compositeGlob)
            {
                VisitCompositeGlob(compositeGlob);
 
                foreach (var globPart in compositeGlob.Globs)
                {
                    Visit(globPart);
                }
            }
 
            if (glob is MSBuildGlobWithGaps globWithGaps)
            {
                VisitGlobWithGaps(globWithGaps);
 
                Visit(globWithGaps.MainGlob);
            }
        }
 
        protected virtual void VisitGlobWithGaps(MSBuildGlobWithGaps globWithGaps)
        {
        }
 
        protected virtual void VisitCompositeGlob(CompositeGlob compositeGlob)
        {
        }
 
        protected virtual void VisitMSBuildGlob(MSBuildGlob msbuildGlob)
        {
        }
    }
}