From 19d3792278643af0d45dd09f338a33ad78a138b7 Mon Sep 17 00:00:00 2001
From: Marck
Date: Sat, 12 Feb 2011 20:02:42 +0100
Subject: Fix and simplify QBasedComparer.

Make parsing of qvalues independent from a system's language setting and ensure that the comparison adheres to a descending order.
---
 OpenSim/Framework/WebUtil.cs | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

(limited to 'OpenSim/Framework')

diff --git a/OpenSim/Framework/WebUtil.cs b/OpenSim/Framework/WebUtil.cs
index d731ac5..1feeeb3 100644
--- a/OpenSim/Framework/WebUtil.cs
+++ b/OpenSim/Framework/WebUtil.cs
@@ -29,6 +29,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.Specialized;
+using System.Globalization;
 using System.IO;
 using System.Net;
 using System.Net.Security;
@@ -557,34 +558,27 @@ namespace OpenSim.Framework
             {
                 float qx = GetQ(x);
                 float qy = GetQ(y);
-                if (qx < qy)
-                    return -1;
-                if (qx == qy)
-                    return 0;
-                return 1;
+                return qy.CompareTo(qx); // descending order
             }
 
             private float GetQ(Object o)
             {
                 // Example: image/png;q=0.9
 
+                float qvalue = 1F;
                 if (o is String)
                 {
                     string mime = (string)o;
-                    string[] parts = mime.Split(new char[] { ';' });
+                    string[] parts = mime.Split(';');
                     if (parts.Length > 1)
                     {
-                        string[] kvp = parts[1].Split(new char[] { '=' });
+                        string[] kvp = parts[1].Split('=');
                         if (kvp.Length == 2 && kvp[0] == "q")
-                        {
-                            float qvalue = 1F;
-                            float.TryParse(kvp[1], out qvalue);
-                            return qvalue;
-                        }
+                            float.TryParse(kvp[1], NumberStyles.Number, CultureInfo.InvariantCulture, out qvalue);
                     }
                 }
 
-                return 1F;
+                return qvalue;
             }
         }
 
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