From 7ed991d72e709b4cf0885907371c95705a37c897 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sat, 21 Jun 2014 21:28:08 +0900
Subject: [PATCH] Refactored AuthenticationChallenge.cs

---
 websocket-sharp/AuthenticationChallenge.cs |  3 ++-
 websocket-sharp/Ext.cs                     | 26 +++++++++-------------
 2 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/websocket-sharp/AuthenticationChallenge.cs b/websocket-sharp/AuthenticationChallenge.cs
index 0c70929b..0a403a10 100644
--- a/websocket-sharp/AuthenticationChallenge.cs
+++ b/websocket-sharp/AuthenticationChallenge.cs
@@ -117,8 +117,9 @@ namespace WebSocketSharp
 
     public static AuthenticationChallenge Parse (string value)
     {
-      var challenge = value.Split (new char [] {' '}, 2);
+      var challenge = value.Split (new [] { ' ' }, 2);
       var scheme = challenge [0].ToLower ();
+
       return scheme == "basic" || scheme == "digest"
              ? new AuthenticationChallenge (scheme, challenge [1])
              : null;
diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index 26cd99b5..b6ba6e4c 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -606,26 +606,20 @@ namespace WebSocketSharp
 
     internal static NameValueCollection ParseAuthParams (this string value)
     {
-      var result = new NameValueCollection ();
-      var i = 0;
-      string name, val;
+      var res = new NameValueCollection ();
       foreach (var param in value.SplitHeaderValue (',')) {
-        i = param.IndexOf ('=');
-        if (i > 0) {
-          name = param.Substring (0, i).Trim ();
-          val = i < param.Length - 1
-              ? param.Substring (i + 1).Trim ().Trim ('"')
-              : String.Empty;
-        }
-        else {
-          name = param;
-          val = String.Empty;
-        }
+        var i = param.IndexOf ('=');
+        var name = i > 0 ? param.Substring (0, i).Trim () : null;
+        var val = i < 0
+                  ? param.Trim ().Trim ('"')
+                  : param.Length > i + 1
+                    ? param.Substring (i + 1).Trim ().Trim ('"')
+                    : String.Empty;
 
-        result.Add (name, val);
+        res.Add (name, val);
       }
 
-      return result;
+      return res;
     }
 
     internal static byte [] ReadBytes (this Stream stream, int length)