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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.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;
}
}
}
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