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/* 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.Xml;
using System.Text.RegularExpressions;
namespace Handbrake.Functions
{
public class AppcastReader
{
XmlDocument rssDoc;
XmlNode nodeRss;
XmlNode nodeChannel;
XmlNode nodeItem;
private Uri hb_description;
private string hb_version;
private string hb_build;
private string hb_file;
/// <summary>
/// Get the build information from the required appcasts.
/// This must be run before calling any of the public return functions.
/// </summary>
public void getInfo()
{
// Get the correct Appcast and set input.
if (Properties.Settings.Default.hb_build.ToString().EndsWith("1"))
readRss(new XmlTextReader(Properties.Settings.Default.appcast_unstable));
else
readRss(new XmlTextReader(Properties.Settings.Default.appcast));
string input = nodeItem.InnerXml;
// Regular Expressions
Match ver = Regex.Match(input, @"sparkle:version=""([0-9]*)\""");
Match verShort = Regex.Match(input, @"sparkle:shortVersionString=""([0-9].[0-9].[0-9]*)\""");
if (nodeItem != null)
{
hb_build = ver.ToString().Replace("sparkle:version=", "").Replace("\"", "");
hb_version = verShort.ToString().Replace("sparkle:shortVersionString=", "").Replace("\"", "");
hb_file = nodeItem["windows"].InnerText;
hb_description = new Uri(nodeItem["sparkle:releaseNotesLink"].InnerText);
}
}
/// <summary>
/// Read the RSS file.
/// </summary>
/// <param name="rssReader"></param>
private void readRss(XmlReader 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];
}
}
/// <summary>
/// Get Information about an update to HandBrake
/// </summary>
/// <returns></returns>
public System.Uri descriptionUrl()
{
return hb_description;
}
/// <summary>
/// Get HandBrake's version from the appcast.xml file.
/// </summary>
/// <returns></returns>
public string version()
{
return hb_version;
}
/// <summary>
/// Get HandBrake's Build from the appcast.xml file.
/// </summary>
/// <returns></returns>
public string build()
{
return hb_build;
}
/// <summary>
/// Get's the URL for update file.
/// </summary>
/// <returns></returns>
public string downloadFile()
{
return hb_file;
}
}
}
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