win/C#/Functions/RssReader.cs

   1 /*  RssReader.cs $\r
   2         \r
   3            This file is part of the HandBrake source code.\r
   4            Homepage: <http://handbrake.m0k.org/>.\r
   5            It may be used under the terms of the GNU General Public License. */\r
   6 \r
   7 using System;\r
   8 using System.Collections.Generic;\r
   9 using System.ComponentModel;\r
  10 using System.Data;\r
  11 using System.Drawing;\r
  12 using System.Text;\r
  13 using System.Windows.Forms;\r
  14 using System.IO;\r
  15 using System.Xml;\r
  16 using System.Text.RegularExpressions;\r
  17 \r
  18 namespace Handbrake.Functions\r
  19 {\r
  20     class RssReader\r
  21     {\r
  22         XmlTextReader rssReader;\r
  23         XmlDocument rssDoc;\r
  24         XmlNode nodeRss;\r
  25         XmlNode nodeChannel;\r
  26         XmlNode nodeItem;\r
  27         string t;\r
  28 \r
  29         private string readRss()\r
  30         {\r
  31             rssReader = new XmlTextReader("http://handbrake.m0k.org/appcast.xml");\r
  32             rssDoc = new XmlDocument();\r
  33             rssDoc.Load(rssReader);\r
  34 \r
  35             for (int i = 0; i < rssDoc.ChildNodes.Count; i++)\r
  36             {\r
  37                 if (rssDoc.ChildNodes[i].Name == "rss")\r
  38                 {\r
  39                     nodeRss = rssDoc.ChildNodes[i];\r
  40                 }\r
  41             }\r
  42 \r
  43             for (int i = 0; i < nodeRss.ChildNodes.Count; i++)\r
  44             {\r
  45                 if (nodeRss.ChildNodes[i].Name == "channel")\r
  46                 {\r
  47                     nodeChannel = nodeRss.ChildNodes[i];\r
  48                 }\r
  49             }\r
  50 \r
  51             string latestTitle = "";\r
  52             for (int i = 0; i < nodeChannel.ChildNodes.Count; i++)\r
  53             {\r
  54  \r
  55                 if (nodeChannel.ChildNodes[i].Name == "item")\r
  56                 {\r
  57                     nodeItem = nodeChannel.ChildNodes[i];\r
  58                     latestTitle = nodeItem["title"].InnerText;\r
  59                 }\r
  60             }\r
  61             return latestTitle;\r
  62         }\r
  63 \r
  64         private string hb_versionInfo;\r
  65         private string hb_version;\r
  66         private string hb_build;\r
  67         private string hb_file;\r
  68 \r
  69         public void getInfo()\r
  70         {\r
  71             readRss();\r
  72             for (int i = 0; i < nodeChannel.ChildNodes.Count; i++)\r
  73             {\r
  74                 if (nodeChannel.ChildNodes[6].Name == "item")\r
  75                 {\r
  76                     nodeItem = nodeChannel.ChildNodes[0];\r
  77                     t = readRss();\r
  78                     if (nodeItem["title"].InnerText == t)\r
  79                     {\r
  80                         // Get the Version Information\r
  81                         hb_versionInfo = nodeItem["description"].InnerText;\r
  82 \r
  83                         // Get the version\r
  84                         string input = nodeItem.InnerXml;\r
  85                         Match ver = Regex.Match(input, @"sparkle:shortVersionString=""([0-9].[0-9].[0-9]*)\""");\r
  86                         hb_version = ver.ToString().Replace("sparkle:shortVersionString=", "").Replace("\"", "");\r
  87 \r
  88                         // Get the build number\r
  89                         input = nodeItem.InnerXml;\r
  90                         ver = Regex.Match(input, @"sparkle:version=""([0-9]*)\""");\r
  91                         hb_build = ver.ToString().Replace("sparkle:version=", "").Replace("\"", "");\r
  92 \r
  93                         // Get the update file\r
  94                         hb_file = nodeItem["windows"].InnerText;\r
  95 \r
  96                     }\r
  97                 }\r
  98             }\r
  99          }\r
 100 \r
 101         public string versionInfo()\r
 102         {\r
 103             getInfo();\r
 104             return hb_versionInfo;\r
 105         }\r
 106 \r
 107         public string version()\r
 108         {\r
 109             getInfo();\r
 110             return hb_version;\r
 111         }\r
 112 \r
 113         public string build()\r
 114         {\r
 115             getInfo();\r
 116             return hb_build;\r
 117         }\r
 118 \r
 119         public string downloadFile()\r
 120         {\r
 121             getInfo();\r
 122             return hb_file;\r
 123         }\r
 124     }\r
 125 }