From febb6bced6d2eb0941ed30205558ff8cf045720b Mon Sep 17 00:00:00 2001 From: Bond_009 Date: Wed, 22 Jul 2020 13:34:51 +0200 Subject: Review usage of string.Substring (part 1) Reduced allocations by replacing string.Substring with ReadOnlySpan.Slice --- Emby.Server.Implementations/Services/ServiceHandler.cs | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'Emby.Server.Implementations/Services/ServiceHandler.cs') diff --git a/Emby.Server.Implementations/Services/ServiceHandler.cs b/Emby.Server.Implementations/Services/ServiceHandler.cs index a42f88ea0..e63a80cee 100644 --- a/Emby.Server.Implementations/Services/ServiceHandler.cs +++ b/Emby.Server.Implementations/Services/ServiceHandler.cs @@ -44,7 +44,7 @@ namespace Emby.Server.Implementations.Services var pos = pathInfo.LastIndexOf('.'); if (pos != -1) { - var format = pathInfo.Substring(pos + 1); + var format = pathInfo.AsSpan().Slice(pos + 1); contentType = GetFormatContentType(format); if (contentType != null) { @@ -55,15 +55,18 @@ namespace Emby.Server.Implementations.Services return pathInfo; } - private static string GetFormatContentType(string format) + private static string GetFormatContentType(ReadOnlySpan format) { - // built-in formats - switch (format) + if (format.Equals("json", StringComparison.Ordinal)) { - case "json": return "application/json"; - case "xml": return "application/xml"; - default: return null; + return "application/json"; } + else if (format.Equals("xml", StringComparison.Ordinal)) + { + return "application/xml"; + } + + return null; } public async Task ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken) -- cgit v1.2.3