src/Library/NetPro.TypeFinder/NetProFileProvider.cs

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using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Hosting;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;

namespace System.NetPro
{
    /// <summary>
    /// IO functions using the on-disk file system
    /// </summary>
    public class NetProFileProvider : PhysicalFileProvider, INetProFileProvider
    {
        /// <summary>
        /// Initializes a new instance of a NetProFileProvider
        /// </summary>
        /// <param name="hostingEnvironment">Hosting environment</param>
        public NetProFileProvider(IHostEnvironment hostingEnvironment)
            : base(System.IO.File.Exists(hostingEnvironment.ContentRootPath) ? Path.GetDirectoryName(hostingEnvironment.ContentRootPath) : hostingEnvironment.ContentRootPath)
        {
            var path = hostingEnvironment.ContentRootPath ?? string.Empty;
            if (System.IO.File.Exists(path))
                path = Path.GetDirectoryName(path);

            BaseDirectory = path;
        }

        #region Utilities

        private static void DeleteDirectoryRecursive(string path)
        {
            Directory.Delete(path, true);
            const int maxIterationToWait = 10;
            var curIteration = 0;

            //according to the documentation(https://msdn.microsoft.com/ru-ru/library/windows/desktop/aa365488.aspx) 
            //System.IO.Directory.Delete method ultimately (after removing the files) calls native 
            //RemoveDirectory function which marks the directory as "deleted". That's why we wait until 
            //the directory is actually deleted. For more details see https://stackoverflow.com/a/4245121
            while (Directory.Exists(path))
            {
                curIteration += 1;
                if (curIteration > maxIterationToWait)
                    return;
                Thread.Sleep(100);
            }
        }

        #endregion

        /// <summary>
        /// Combines an array of strings into a path
        /// </summary>
        /// <param name="paths">An array of parts of the path</param>
        /// <returns>The combined paths</returns>
        public virtual string Combine(params string[] paths)
        {
            return Path.Combine(paths);