// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Diagnostics.CodeAnalysis;
 
namespace System.Xml
{
    internal sealed partial class XmlTextReaderImpl
    {
        static partial void ConvertAbsoluteUnixPathToAbsoluteUri([NotNullIfNotNull(nameof(url))] ref string? url, XmlResolver? resolver)
        {
            // new Uri(uri, UriKind.RelativeOrAbsolute) returns a Relative Uri for absolute unix paths (e.g. /tmp).
            // We convert the native unix path to a 'file://' uri string to make it an Absolute Uri.
            if (url != null && url.Length > 0 && url[0] == '/')
            {
                if (resolver != null)
                {
                    Uri uri = resolver.ResolveUri(null, url);
                    if (uri.IsFile)
                    {
                        url = uri.ToString();
                    }
                }
                else
                {
                    url = new Uri(url).ToString();
                }
            }
        }
    }
}