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/ServiceExec.cs | 8 +++++++- Emby.Server.Implementations/Services/ServiceHandler.cs | 17 ++++++++++------- Emby.Server.Implementations/Services/ServicePath.cs | 2 +- 3 files changed, 18 insertions(+), 9 deletions(-) (limited to 'Emby.Server.Implementations/Services') diff --git a/Emby.Server.Implementations/Services/ServiceExec.cs b/Emby.Server.Implementations/Services/ServiceExec.cs index cbc4b754d..947a5cbf8 100644 --- a/Emby.Server.Implementations/Services/ServiceExec.cs +++ b/Emby.Server.Implementations/Services/ServiceExec.cs @@ -2,6 +2,7 @@ using System; using System.Collections.Generic; +using System.Globalization; using System.Linq; using System.Linq.Expressions; using System.Reflection; @@ -105,7 +106,12 @@ namespace Emby.Server.Implementations.Services } var expectedMethodName = actionName.Substring(0, 1) + actionName.Substring(1).ToLowerInvariant(); - throw new NotImplementedException(string.Format("Could not find method named {1}({0}) or Any({0}) on Service {2}", requestDto.GetType().GetMethodName(), expectedMethodName, serviceType.GetMethodName())); + throw new NotImplementedException( + string.Format( + CultureInfo.InvariantCulture, + "Could not find method named {1}({0}) or Any({0}) on Service {2}", + requestDto.GetType().GetMethodName(), + expectedMethodName, serviceType.GetMethodName())); } private static async Task GetTaskResult(Task task) 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) diff --git a/Emby.Server.Implementations/Services/ServicePath.cs b/Emby.Server.Implementations/Services/ServicePath.cs index 89538ae72..69c6844f8 100644 --- a/Emby.Server.Implementations/Services/ServicePath.cs +++ b/Emby.Server.Implementations/Services/ServicePath.cs @@ -156,7 +156,7 @@ namespace Emby.Server.Implementations.Services { var component = components[i]; - if (component.StartsWith(VariablePrefix)) + if (component.StartsWith(VariablePrefix, StringComparison.Ordinal)) { var variableName = component.Substring(1, component.Length - 2); if (variableName[variableName.Length - 1] == WildCardChar) -- cgit v1.2.3 From a23292f363c0bae2e9d4dbbf1359234feedd3799 Mon Sep 17 00:00:00 2001 From: Bond_009 Date: Wed, 22 Jul 2020 13:52:31 +0200 Subject: Address comments --- Emby.Server.Implementations/Services/ServiceExec.cs | 3 ++- Emby.Server.Implementations/Services/ServiceHandler.cs | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-) (limited to 'Emby.Server.Implementations/Services') diff --git a/Emby.Server.Implementations/Services/ServiceExec.cs b/Emby.Server.Implementations/Services/ServiceExec.cs index 947a5cbf8..7b970627e 100644 --- a/Emby.Server.Implementations/Services/ServiceExec.cs +++ b/Emby.Server.Implementations/Services/ServiceExec.cs @@ -111,7 +111,8 @@ namespace Emby.Server.Implementations.Services CultureInfo.InvariantCulture, "Could not find method named {1}({0}) or Any({0}) on Service {2}", requestDto.GetType().GetMethodName(), - expectedMethodName, serviceType.GetMethodName())); + expectedMethodName, + serviceType.GetMethodName())); } private static async Task GetTaskResult(Task task) diff --git a/Emby.Server.Implementations/Services/ServiceHandler.cs b/Emby.Server.Implementations/Services/ServiceHandler.cs index e63a80cee..e758cdd4d 100644 --- a/Emby.Server.Implementations/Services/ServiceHandler.cs +++ b/Emby.Server.Implementations/Services/ServiceHandler.cs @@ -2,6 +2,7 @@ using System; using System.Collections.Generic; +using System.Net.Mime; using System.Reflection; using System.Threading; using System.Threading.Tasks; @@ -59,11 +60,11 @@ namespace Emby.Server.Implementations.Services { if (format.Equals("json", StringComparison.Ordinal)) { - return "application/json"; + return MediaTypeNames.Application.Json; } else if (format.Equals("xml", StringComparison.Ordinal)) { - return "application/xml"; + return MediaTypeNames.Application.Xml; } return null; -- cgit v1.2.3