Filters/FilterDeb.cs

   1 //
   2 // FilterDeb.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.Diagnostics;
  29
  30 using Beagle.Daemon;
  31 using Beagle.Util;
  32
  33 namespace Beagle.Filters {
  34         public class FilterDeb : Beagle.Filters.FilterPackage {
  35
  36                 public FilterDeb ()
  37                 {
  38                         AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/x-deb"));
  39                 }
  40
  41                 protected override void PullPackageProperties ()
  42                 {
  43                         SafeProcess pc = new SafeProcess ();
  44                         pc.Arguments = new string [] { "dpkg-deb", "-I", FileInfo.FullName};
  45                         pc.RedirectStandardOutput = true;
  46
  47                         try {
  48                                 pc.Start ();
  49                         } catch (SafeProcessException e) {
  50                                 Log.Warn (e.Message);
  51                                 Error ();
  52                                 return;
  53                         }
  54
  55                         StreamReader pout = new StreamReader (pc.StandardOutput);
  56
  57                         string str = null;
  58                         string[] tokens = null;
  59                         char[] splits = { ',', '|'};
  60                         string[] list = null;
  61
  62                         while ((str = pout.ReadLine ()) != null) {
  63                                 tokens = str.Split (':');
  64                                 if (tokens.Length <= 1)
  65                                         continue;
  66
  67                                 switch (tokens[0].Trim ()) {
  68
  69                                 case "Package":
  70                                         PackageName = tokens[1];
  71                                         break;
  72
  73                                 case "Maintainer":
  74                                         list = tokens [1].Split ('<');
  75                                         PackagerName = list [0];
  76                                         if (list.Length > 1)
  77                                                 PackagerEmail = list [1].Replace ('>', ' ');
  78                                         break;
  79
  80                                 case "Version":
  81                                         PackageVersion = tokens[1];
  82                                         break;
  83
  84                                 case "Section":
  85                                         Category = tokens [1];
  86                                         break;
  87
  88                                 case "Architecture":
  89                                         AddProperty (Beagle.Property.NewUnsearched ("fixme:arch", tokens [1]));
  90                                         break;
  91
  92                                 case "Depends":
  93                                         list = tokens [1].Split (splits);
  94                                         foreach (string s in list)
  95                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:depends", s));
  96                                         break;
  97
  98                                 case "Recommends":
  99                                         list = tokens [1].Split (splits);
 100                                         foreach (string s in list)
 101                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:recommend", s));
 102                                         break;
 103
 104                                 case "Conflicts":
 105                                         list = tokens [1].Split (splits);
 106                                         foreach (string s in list)
 107                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:conflict", s));
 108                                         break;
 109
 110                                 case "Replaces":
 111                                         list = tokens [1].Split (splits);
 112                                         foreach (string s in list)
 113                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:replaces", s));
 114                                         break;
 115
 116                                 case "Provides":
 117                                         list = tokens [1].Split (splits);
 118                                         foreach (string s in list)
 119                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:provides", s));
 120                                         break;
 121
 122                                 case "Installed-Size":
 123                                         // Installed-Size is given in number of KBs
 124                                         AddProperty (Beagle.Property.NewUnsearched ("fixme:size", tokens [1] + "000"));
 125                                         break;
 126
 127                                 case "Description":
 128                                         AppendText (tokens [1]);
 129                                         AppendStructuralBreak ();
 130                                         while ((str = pout.ReadLine ()) != null) {
 131                                                 if(str.Trim () == ".")
 132                                                         AppendStructuralBreak ();
 133                                                 else
 134                                                         AppendText (str);
 135                                         }
 136                                         break;
 137                                 }
 138                         }
 139
 140                         pout.Close ();
 141                         pc.Close ();
 142                 }
 143         }
 144 }