1 files changed, 145 insertions, 0 deletions
diff --git a/win/C#/Functions/AppcastReader.cs b/win/C#/Functions/AppcastReader.cs
new file mode 100644
index 000000000..6e9d97ea7
--- /dev/null
+++ b/win/C#/Functions/AppcastReader.cs
@@ -0,0 +1,145 @@
+/*  RssReader.cs $
+ 	
+ 	   This file is part of the HandBrake source code.
+ 	   Homepage: <http://handbrake.fr>.
+ 	   It may be used under the terms of the GNU General Public License. */
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+using System.IO;
+using System.Xml;
+using System.Text.RegularExpressions;
+
+namespace Handbrake.Functions
+{
+    class AppcastReader
+    {
+        XmlTextReader rssReader;
+        XmlDocument rssDoc;
+        XmlNode nodeRss;
+        XmlNode nodeChannel;
+        XmlNode nodeItem;
+        private string hb_versionInfo;
+        private string hb_version;
+        private string hb_build;
+        private string hb_file;
+
+        // Rss Reading Code.
+        private void readRss(XmlTextReader rssReader)
+        {
+            rssDoc = new XmlDocument();
+            rssDoc.Load(rssReader);
+
+            for (int i = 0; i < rssDoc.ChildNodes.Count; i++)
+            {
+                if (rssDoc.ChildNodes[i].Name == "rss")
+                    nodeRss = rssDoc.ChildNodes[i];
+            }
+
+            for (int i = 0; i < nodeRss.ChildNodes.Count; i++)
+            {
+                if (nodeRss.ChildNodes[i].Name == "channel")
+                    nodeChannel = nodeRss.ChildNodes[i];
+            }
+
+            for (int i = 0; i < nodeChannel.ChildNodes.Count; i++)
+            {
+                if (nodeChannel.ChildNodes[i].Name == "item")
+                    nodeItem = nodeChannel.ChildNodes[i];
+            }
+        }
+
+
+        // Get's the information required out the RSS file.
+        private void getInfo()
+        {
+            Match ver;
+            int unstable_build = 0;
+            string input;
+
+            // Check the stable appcast and get the build nuber
+            rssReader = new XmlTextReader(Properties.Settings.Default.appcast);
+            readRss(rssReader);
+            input = nodeItem.InnerXml;
+            ver = Regex.Match(input, @"sparkle:version=""([0-9]*)\""");
+            int stable_build = int.Parse(ver.ToString().Replace("sparkle:version=", "").Replace("\"", ""));
+
+            // If the pref to enable unstable appcast checking is enabled    OR
+            // this is a snapshot release, 
+            // then check the unstable appcast.
+            if (Properties.Settings.Default.checkSnapshot == "Checked" || Properties.Settings.Default.hb_build.ToString().EndsWith("1"))
+            {
+                // Get the stable build
+                rssReader = new XmlTextReader(Properties.Settings.Default.appcast_unstable);
+                readRss(rssReader);
+                input = nodeItem.InnerXml;
+                ver = Regex.Match(input, @"sparkle:version=""([0-9]*)\""");
+                unstable_build = int.Parse(ver.ToString().Replace("sparkle:version=", "").Replace("\"", ""));
+            }
+
+            if (stable_build >= unstable_build)
+                rssReader = new XmlTextReader(Properties.Settings.Default.appcast);
+            else
+                rssReader = new XmlTextReader(Properties.Settings.Default.appcast_unstable);
+
+            // Get the Version Information
+            hb_versionInfo = nodeItem["description"].InnerText;
+
+            // Get the version
+            string inputNode = nodeItem.InnerXml;
+            ver = Regex.Match(inputNode, @"sparkle:shortVersionString=""([0-9].[0-9].[0-9]*)\""");
+            hb_version = ver.ToString().Replace("sparkle:shortVersionString=", "").Replace("\"", "");
+
+            ver = Regex.Match(inputNode, @"sparkle:version=""([0-9]*)\""");
+            hb_build = ver.ToString().Replace("sparkle:version=", "").Replace("\"", "");
+
+            // Get the update file
+            hb_file = nodeItem["windows"].InnerText;
+        }
+
+        /// <summary>
+        /// Get Information about an update to HandBrake
+        /// </summary>
+        /// <returns></returns>
+        public string versionInfo()
+        {
+            getInfo();
+            return hb_versionInfo;
+        }
+
+        /// <summary>
+        /// Get HandBrake's version from the appcast.xml file.
+        /// </summary>
+        /// <returns></returns>
+        public string version()
+        {
+            getInfo();
+            return hb_version;
+        }
+
+        /// <summary>
+        /// Get HandBrake's Build from the appcast.xml file.
+        /// </summary>
+        /// <returns></returns>
+        public string build()
+        {
+            getInfo();
+            return hb_build;
+        }
+
+        /// <summary>
+        /// Get's the URL for update file.
+        /// </summary>
+        /// <returns></returns>
+        public string downloadFile()
+        {
+            getInfo();
+            return hb_file;
+        }
+    }
+}
+\ No newline at end of file