107 lines
3.1 KiB
C#
107 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Web;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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namespace webmusic.Pages {
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public class IndexModel : PageModel {
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private const string Root = "music";
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public List<string> Dirs = new();
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public string Displaypath = "";
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public List<string> Files = new();
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public string Fullpath = "";
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public string Path = "";
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public string PathOneup = "";
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public void OnGet() {
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if (Request.QueryString.HasValue)
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if (Request.QueryString.Value != null)
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Path = HttpUtility.UrlDecode(Request.QueryString.Value.TrimStart('?').Replace("+", "%2B"));
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if (Path.Contains("/..")) {
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Response.Redirect("/Error");
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return;
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}
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if (Path.EndsWith(".m3u"))
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Path = Path.Substring(0, Path.Length - 4);
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if (Path.EndsWith(".lrc"))
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return;
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PathOneup = Regex.Match(Path, @".*(?=\/)").Value;
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Fullpath = Root + Path;
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Displaypath = string.IsNullOrWhiteSpace(Path) ? "/" : Path;
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Dirs = Directory.GetDirectories(Fullpath).Select(System.IO.Path.GetFileName).ToList();
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Dirs.RemoveAll(p => p.StartsWith("."));
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Dirs.Sort();
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Files = Directory.GetFiles(Fullpath).Select(System.IO.Path.GetFileName).ToList();
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Files.RemoveAll(p => p.EndsWith(".m3u"));
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Files.RemoveAll(p => p.EndsWith(".lrc"));
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Files.RemoveAll(p => p.StartsWith("."));
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Files.Sort(new NaturalSortComparer());
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}
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public static string Encode(string str) => str.Replace("\"", "%22").Replace("'", "%27").Replace("?", "%3F").Replace("&", "%26").Replace(" ", "%20");
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private class NaturalSortComparer : IComparer<string>, IDisposable {
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private readonly bool _isAscending;
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public NaturalSortComparer(bool inAscendingOrder = true) {
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_isAscending = inAscendingOrder;
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}
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int IComparer<string>.Compare(string x, string y) {
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if (x == y)
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return 0;
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if (!_table.TryGetValue(x!, out var x1)) {
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x1 = Regex.Split(x.Replace(" ", ""), "([0-9]+)");
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_table.Add(x, x1);
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}
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if (!_table.TryGetValue(y!, out var y1)) {
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y1 = Regex.Split(y.Replace(" ", ""), "([0-9]+)");
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_table.Add(y, y1);
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}
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int returnVal;
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for (var i = 0; i < x1.Length && i < y1.Length; i++) {
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if (x1[i] != y1[i]) {
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returnVal = PartCompare(x1[i], y1[i]);
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return _isAscending ? returnVal : -returnVal;
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}
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}
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if (y1.Length > x1.Length) {
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returnVal = 1;
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}
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else if (x1.Length > y1.Length) {
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returnVal = -1;
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}
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else {
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returnVal = 0;
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}
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return _isAscending ? returnVal : -returnVal;
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}
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private static int PartCompare(string left, string right) {
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if (!int.TryParse(left, out var x))
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return string.Compare(left, right, StringComparison.Ordinal);
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return !int.TryParse(right, out var y) ? string.Compare(left, right, StringComparison.Ordinal) : x.CompareTo(y);
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}
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private Dictionary<string, string[]> _table = new();
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public void Dispose() {
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_table.Clear();
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_table = null;
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}
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}
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}
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} |