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using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Text.RegularExpressions;
namespace Emby.Naming.Video
{
/// <summary>
/// <see href="http://kodi.wiki/view/Advancedsettings.xml#video" />.
/// </summary>
public static class CleanStringParser
{
/// <summary>
/// Attempts to extract clean name with regular expressions.
/// </summary>
/// <param name="name">Name of file.</param>
/// <param name="expressions">List of regex to parse name and year from.</param>
/// <param name="newName">Parsing result string.</param>
/// <returns>True if parsing was successful.</returns>
public static bool TryClean([NotNullWhen(true)] string? name, IReadOnlyList<Regex> expressions, out string newName)
{
if (string.IsNullOrEmpty(name))
{
newName = string.Empty;
return false;
}
// Iteratively apply the regexps to clean the string.
bool cleaned = false;
for (int i = 0; i < expressions.Count; i++)
{
if (TryClean(name, expressions[i], out newName))
{
cleaned = true;
name = newName;
}
}
newName = cleaned ? name : string.Empty;
return cleaned;
}
private static bool TryClean(string name, Regex expression, out string newName)
{
var match = expression.Match(name);
if (match.Success && match.Groups.TryGetValue("cleaned", out var cleaned))
{
newName = cleaned.Value;
return true;
}
newName = string.Empty;
return false;
}
}
}
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