From 1ac9c50568f928ea71b81be8759ef673fecdcaee Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Sat, 6 Feb 2016 12:57:05 +0100
Subject: [PATCH] Use static PerspexParserFactory.

Improves startup times on XamlTestApplication from about 9.4 to 2.6
seconds.
---
 .../Perspex.Markup.Xaml/PerspexXamlLoader.cs       | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Markup/Perspex.Markup.Xaml/PerspexXamlLoader.cs b/src/Markup/Perspex.Markup.Xaml/PerspexXamlLoader.cs
index 2c2ee23510..b31fc9c85d 100644
--- a/src/Markup/Perspex.Markup.Xaml/PerspexXamlLoader.cs
+++ b/src/Markup/Perspex.Markup.Xaml/PerspexXamlLoader.cs
@@ -19,11 +19,13 @@ namespace Perspex.Markup.Xaml
     /// </summary>
     public class PerspexXamlLoader : XmlLoader
     {
+        private static PerspexParserFactory s_parserFactory;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="PerspexXamlLoader"/> class.
         /// </summary>
         public PerspexXamlLoader()
-            : this(new PerspexParserFactory())
+            : this(GetParserFactory())
         {
         }
 
@@ -126,6 +128,16 @@ namespace Perspex.Markup.Xaml
             }
         }
 
+        private static PerspexParserFactory GetParserFactory()
+        {
+            if (s_parserFactory == null)
+            {
+                s_parserFactory = new PerspexParserFactory();
+            }
+
+            return s_parserFactory;
+        }
+
         /// <summary>
         /// Gets the URI for a type.
         /// </summary>