Filters/FilterKNotes.cs

   1 //
   2 // FilterKnotes.cs
   3 //
   4 // Copyright (C) 2006 Debajyoti Bera <dbera.web@gmail.com>
   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
  27
  28 using System;
  29 using System.Collections;
  30 using System.IO;
  31 using System.Text;
  32
  33 using Beagle.Daemon;
  34 using Beagle.Util;
  35 using HtmlAgilityPack;
  36
  37 namespace Beagle.Filters {
  38
  39         public class FilterKnotes : Beagle.Filters.FilterKCal {
  40
  41                 public FilterKnotes ()
  42                 {
  43                         AddSupportedFlavor (FilterFlavor.NewFromMimeType (ICalParser.KnotesMimeType));
  44                         if (vCard_property_mapping == null)
  45                                 SetupPropertyMapping ();
  46                         SnippetMode = true;
  47                 }
  48
  49                 private static Hashtable vCard_property_mapping = null;
  50                 override protected Hashtable KCalPropertyMapping {
  51                         get { return vCard_property_mapping; }
  52                 }
  53
  54                 private void SetupPropertyMapping () {
  55                         vCard_property_mapping = new Hashtable ();
  56                         // KCalProperty (name, comma_sep, keyword, text_or_date)
  57                         vCard_property_mapping ["SUMMARY"] = new KCalProperty ("dc:title", false, false, KCalType.Text);
  58                         vCard_property_mapping ["PRIORITY"] = new KCalProperty ("fixme:priority", true, false, KCalType.Text);
  59                         vCard_property_mapping ["DESCRIPTION"] = new KCalProperty (KCalType.Special);
  60                         vCard_property_mapping ["CLASS"] = new KCalProperty ("fixme:class", false, true, KCalType.Text);
  61                         vCard_property_mapping ["LAST-MODIFIED"] = new KCalProperty (KCalType.Special);
  62                         // Open KNotes notes by
  63                         // dcop knotes KNotesIface text <UID>
  64                         vCard_property_mapping ["UID"] = new KCalProperty ("fixme:uid", false, true, KCalType.Text);
  65                         vCard_property_mapping ["X-KDE-KNotes-RichText"] = new KCalProperty (KCalType.Special);
  66                 }
  67
  68                 private string description = null;
  69                 private bool is_rich_text = false;
  70
  71                 override protected void ProcessPropertySpecial (string prop_name,
  72                                                               ArrayList paramlist,
  73                                                               string prop_value)
  74                 {
  75                         //Log.Debug ("Handling special property {0}=[{1}]", prop_name, prop_value);
  76                         if (prop_name == "DESCRIPTION") {
  77                                 prop_value = prop_value.Replace ("\\,", ",");
  78                                 prop_value = prop_value.Replace ("\\\\", "\\");
  79                                 prop_value = prop_value.Replace ("\\n", "\n");
  80
  81                                 description = prop_value;
  82                         } else if (prop_name == "X-KDE-KNotes-RichText")
  83                                 is_rich_text = (prop_value == "true");
  84                         else if (prop_name == "LAST-MODIFIED") {
  85                                 DateTime dt = ProcessKCalDate (prop_value);
  86                                 if (dt != DateTime.MinValue)
  87                                         Timestamp = dt;
  88                         }
  89                 }
  90
  91                 override protected void DoPull ()
  92                 {
  93                         if (! is_rich_text)
  94                                 AppendText (description);
  95                         else {
  96                                 FilterHtml.AppendTextCallback append_text_cb = new FilterHtml.AppendTextCallback (AppendText);
  97                                 FilterHtml.AddPropertyCallback add_prop_cb = new FilterHtml.AddPropertyCallback (delegate(Beagle.Property p) {});
  98                                 FilterHtml.AppendSpaceCallback append_white_cb = new FilterHtml.AppendSpaceCallback (AppendWhiteSpace);
  99                                 FilterHtml.AppendSpaceCallback append_break_cb = new FilterHtml.AppendSpaceCallback (AppendStructuralBreak);
 100                                 FilterHtml.HotCallback hot_up_cb = new FilterHtml.HotCallback (HotUp);
 101                                 FilterHtml.HotCallback hot_down_cb = new FilterHtml.HotCallback (HotDown);
 102
 103                                 FilterHtml html_filter = new FilterHtml ();
 104                                 html_filter.ExtractText (description,
 105                                                          append_text_cb,
 106                                                          add_prop_cb,
 107                                                          append_white_cb,
 108                                                          append_break_cb,
 109                                                          hot_up_cb,
 110                                                          hot_down_cb);
 111                         }
 112
 113                         Finished ();
 114                 }
 115
 116         }
 117
 118 }