doc/web/mono-rss.cs

   1 //
   2 // Generates the Mono RSS feed
   3 //
   4 // Miguel de Icaza
   5 //
   6 using System;
   7 using System.IO;
   8 using System.Xml;
   9 using RSS;
  10
  11 class X {
  12         static RSS.RSS rss;
  13         static Channel c;
  14         static int item_count;
  15
  16         static void PopulateRSS (StreamReader input)
  17         {
  18                 string s;
  19
  20                 while ((s = input.ReadLine ()) != null){
  21                         if (s.StartsWith ("@item "))
  22                                 break;
  23                 }
  24
  25                 if (s == null || !s.StartsWith ("@item ")){
  26                         Console.WriteLine ("Could not find beginning of text to RSS");
  27                         return;
  28                 }
  29
  30                 Item i = null;
  31                 string description = "";
  32                 do {
  33                         if (s.StartsWith ("@item ")){
  34                                 if (item_count++ > 25)
  35                                         break;
  36
  37                                 if (i != null){
  38                                         i.Description = description;
  39                                         description = "";
  40                                 }
  41
  42                                 string title = s.Substring (6);
  43                                 string link = "http://www.go-mono.com/index.html#";
  44                                 foreach (char ch in title){
  45                                         if (ch != ' ')
  46                                                 link += ch;
  47                                 }
  48
  49                                 i = c.NewItem ();
  50                                 i.Title = title;
  51                                 i.Link = link;
  52                         } else {
  53                                 description += "\n" + (s == "\n" ? "<p>" : s);
  54                         }
  55                 } while ((s = input.ReadLine ()) != null);
  56
  57                 if (i != null){
  58                         i.Description = description;
  59                 }
  60         }
  61
  62         static void MakeRSS (string input, string output)
  63         {
  64                 rss = new RSS.RSS ();
  65                 c = rss.NewChannel ("Mono Project News", "http://www.go-mono.com");
  66
  67                 c.Title = "Mono Project News";
  68                 c.Link = "http://www.go-mono.com";
  69                 c.Description =
  70                 "News from the Mono project: a portable implementation of the .NET Framework";
  71                 c.WebMaster = "webmaster@go-mono.com";
  72                 c.ManagingEditor = "miguel@ximian.com";
  73                 string t = File.GetLastWriteTime (input).ToString ("r");
  74                 c.PubDate = t;
  75                 c.LastBuildDate = t;
  76
  77                 using (FileStream fs = new FileStream (input, FileMode.Open)){
  78                         using (StreamReader input_stream = new StreamReader (fs)){
  79                                 PopulateRSS (input_stream);
  80                         }
  81                 }
  82
  83                 rss.XmlDocument.Save (output);
  84         }
  85
  86         static int Main (string [] args)
  87         {
  88                 switch (args.Length){
  89                 case 0:
  90                         MakeRSS ("index", "index.rss");
  91                         break;
  92                 case 2:
  93                         MakeRSS (args [0], args [1]);
  94                         break;
  95
  96                 default:
  97                         Console.WriteLine ("Usage is: mono-rss [input output.rss]");
  98                         return 1;
  99                 }
 100
 101                 return 0;
 102         }
 103 }