Use compile-time generated regex and remove loglevel check

This commit is contained in:
SeaEagle1 2023-05-13 00:07:20 +02:00
parent 9352a24374
commit 126047bfd6
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@ -17,7 +17,10 @@ using Microsoft.Extensions.Logging;
namespace Emby.Dlna.PlayTo
{
public class DlnaHttpClient
/// <summary>
/// Http client for Dlna PlayTo function.
/// </summary>
public partial class DlnaHttpClient
{
private readonly ILogger _logger;
private readonly IHttpClientFactory _httpClientFactory;
@ -62,8 +65,7 @@ namespace Emby.Dlna.PlayTo
var xmlString = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
// find and replace unescaped ampersands (&)
Regex regex = new Regex(@"(&(?![a-z]*;))");
xmlString = regex.Replace(xmlString, @"&amp;");
xmlString = EscapeAmpersandRegex().Replace(xmlString, "&amp;");
try
{
@ -77,10 +79,7 @@ namespace Emby.Dlna.PlayTo
catch (XmlException ex)
{
_logger.LogError(ex, "Failed to parse response");
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug("Malformed response: {Content}\n", xmlString);
}
_logger.LogDebug("Malformed response: {Content}\n", xmlString);
return null;
}
@ -125,5 +124,12 @@ namespace Emby.Dlna.PlayTo
// Have to await here instead of returning the Task directly, otherwise request would be disposed too soon
return await SendRequestAsync(request, cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Compile-time generated regular expression for escaping ampersands.
/// </summary>
/// <returns>Compiled regular expression.</returns>
[GeneratedRegex("(&(?![a-z]*;))")]
private static partial Regex EscapeAmpersandRegex();
}
}