123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051 |
- #nullable enable
- using System;
- using System.Text.RegularExpressions;
- namespace Emby.Server.Implementations.Library
- {
- /// <summary>
- /// Class providing extension methods for working with paths.
- /// </summary>
- public static class PathExtensions
- {
- /// <summary>
- /// Gets the attribute value.
- /// </summary>
- /// <param name="str">The STR.</param>
- /// <param name="attribute">The attrib.</param>
- /// <returns>System.String.</returns>
- /// <exception cref="ArgumentException"><paramref name="str" /> or <paramref name="attribute" /> is empty.</exception>
- public static string? GetAttributeValue(this string str, string attribute)
- {
- if (str.Length == 0)
- {
- throw new ArgumentException("String can't be empty.", nameof(str));
- }
- if (attribute.Length == 0)
- {
- throw new ArgumentException("String can't be empty.", nameof(attribute));
- }
- string srch = "[" + attribute + "=";
- int start = str.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
- if (start != -1)
- {
- start += srch.Length;
- int end = str.IndexOf(']', start);
- return str.Substring(start, end - start);
- }
- // for imdbid we also accept pattern matching
- if (string.Equals(attribute, "imdbid", StringComparison.OrdinalIgnoreCase))
- {
- var m = Regex.Match(str, "tt([0-9]{7,8})", RegexOptions.IgnoreCase);
- return m.Success ? m.Value : null;
- }
- return null;
- }
- }
- }
|