52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
#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;
|
|
}
|
|
}
|
|
}
|