Filters/FilterLabyrinth.cs

   1 //
   2 // FilterLabyrinth.cs
   3 //
   4 // Copyright (C) 2006 Kevin Kubasik <kevin@kubasik.net>
   5 //
   6
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a
   9 // copy of this software and associated documentation files (the "Software"),
  10 // to deal in the Software without restriction, including without limitation
  11 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12 // and/or sell copies of the Software, and to permit persons to whom the
  13 // Software is furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24 // DEALINGS IN THE SOFTWARE.
  25 //
  26 using System;
  27 using System.IO;
  28 using System.Text;
  29 using System.Xml;
  30
  31 using Beagle.Util;
  32 using Beagle.Daemon;
  33
  34 namespace Beagle.Filters {
  35
  36         public class FilterLabyrinth : Beagle.Daemon.Filter {
  37
  38
  39                 public FilterLabyrinth ()
  40                 {
  41                         AddSupportedFlavor (FilterFlavor.NewFromMimeType ("x-beagle/x-labyrinth-note"));
  42                         SnippetMode = true;
  43                         OriginalIsText = false;
  44                 }
  45
  46
  47                 protected override void DoPullProperties ()
  48                 {
  49                         StreamReader reader = new StreamReader (FileInfo.FullName, System.Text.Encoding.UTF8);
  50                         XmlTextReader doc = new XmlTextReader (reader);
  51                         try {
  52                                  do {
  53                                         // FIXME: Extract more information than mere text from the tags in note-content
  54                                         // for hottext, linking notes etc.
  55
  56                                         if (doc.GetAttribute("title") != null) {
  57                                                 AddProperty (Property.New ("dc:title", doc.GetAttribute("title")));
  58                                                 continue;
  59                                         }
  60
  61                                         if (doc.NodeType == XmlNodeType.Text) {
  62                                                 AppendText (doc.Value);
  63                                                 AppendStructuralBreak ();
  64                                                 continue;
  65                                         }
  66                                 } while (doc.Read ());
  67                                 Finished();
  68                         } catch (Exception e) {
  69                                 Log.Warn (e, "Unable to index Labyrinth Note {0}", FileInfo.FullName);
  70                                 Error ();
  71                         }
  72                         doc.Close();
  73
  74                 }
  75
  76
  77         }
  78 }