Filters/FilterMonodoc.cs

   1 //
   2 // FilterMonodoc.cs
   3 //
   4 // Copyright (C) 2005 Novell, Inc.
   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 using System;
  28 using System.IO;
  29 using System.Xml;
  30 using System.Text;
  31 using System.Threading;
  32
  33 using Beagle.Daemon;
  34 using Beagle.Util;
  35
  36 using ICSharpCode.SharpZipLib.Zip;
  37
  38 namespace Beagle.Filters {
  39
  40         public class FilterMonodoc : Filter {
  41
  42                 ZipFile archive = null;
  43
  44                 public FilterMonodoc ()
  45                 {
  46                         AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/monodoc"));
  47                         // FIXME: Autoconf to find the monodoc prefix
  48                         AddSupportedFlavor (new FilterFlavor ("file:///usr/lib/monodoc/sources/*", ".zip", null, 0));
  49                 }
  50
  51                 override protected void DoOpen (FileInfo file)
  52                 {
  53                         try {
  54                                 archive = new ZipFile (file.FullName);
  55                         } catch (Exception e) {
  56                                 Logger.Log.Error ("Error while filtering Monodoc archive: {0}", e);
  57                                 Error ();
  58                         }
  59                 }
  60
  61                 override protected void DoPullProperties ()
  62                 {
  63                         if (archive == null) {
  64                                 Error ();
  65                                 return;
  66                         }
  67
  68                         foreach (ZipEntry entry in archive) {
  69                                 if (entry.Name.IndexOf (".") != -1)
  70                                         continue;
  71
  72                                 XmlDocument document = new XmlDocument ();
  73                                 document.Load (archive.GetInputStream (entry));
  74
  75                                 XmlNode type = document.SelectSingleNode ("/Type");
  76
  77                                 if (type == null)
  78                                         continue;
  79
  80                                 Indexable type_indexable = TypeNodeToIndexable (type, FileInfo);
  81                                 AddChildIndexable (type_indexable);
  82
  83                                 foreach(XmlNode member in type.SelectNodes ("Members/Member")) {
  84                                         Indexable member_indexable = MemberNodeToIndexable (member,
  85                                                                                             FileInfo,
  86                                                                                             type.Attributes ["FullName"].Value);
  87                                         AddChildIndexable (member_indexable);
  88                                 }
  89                         }
  90
  91                         // If we've successfully crawled the file but haven't
  92                         // found any indexables, we shouldn't consider it
  93                         // successfull at all.
  94                         if (ChildIndexables.Count == 0) {
  95                                 Error ();
  96                                 return;
  97                         }
  98
  99                         Finished ();
 100                 }
 101
 102                 static private Indexable TypeNodeToIndexable (XmlNode node, FileInfo file)
 103                 {
 104                         Indexable indexable = new Indexable (UriFu.PathToFileUri (file + "#T:" + node.Attributes ["FullName"].Value));
 105
 106                         indexable.MimeType = "text/html";
 107                         indexable.HitType = "MonodocEntry";
 108
 109                         indexable.AddProperty (Property.NewUnsearched ("fixme:type", "type"));
 110                         indexable.AddProperty (Property.NewUnsearched ("fixme:name", "T:" + node.Attributes["FullName"].Value));
 111
 112                         StringReader reader = new StringReader (node.SelectSingleNode ("Docs").InnerXml);
 113                         indexable.SetTextReader (reader);
 114
 115                         return indexable;
 116                 }
 117
 118                 static private Indexable MemberNodeToIndexable(XmlNode node, FileInfo file, string parentName)
 119                 {
 120                         char memberType = MemberTypeToChar (node.SelectSingleNode ("MemberType").InnerText);
 121                         StringBuilder memberFullName = new StringBuilder ();
 122
 123                         memberFullName.Append (memberType + ":"+ parentName);
 124
 125                         if (memberType != 'C')
 126                                 memberFullName.Append ("." + node.Attributes["MemberName"].Value);
 127
 128                         if (memberType == 'C' || memberType == 'M' || memberType == 'E') {
 129                                 memberFullName.Append ("(");
 130                                 bool inside = false;
 131
 132                                 foreach (XmlNode parameter in node.SelectNodes ("Parameters/Parameter")) {
 133                                         if (!inside) inside = true; else memberFullName.Append(",");
 134                                         memberFullName.Append (parameter.Attributes["Type"].Value);
 135                                 }
 136
 137                                 memberFullName.Append (")");
 138                         }
 139
 140                         Indexable indexable = new Indexable (UriFu.PathToFileUri (file + "#" + memberFullName));
 141
 142                         indexable.MimeType = "text/html";
 143                         indexable.HitType = "MonodocEntry";
 144
 145                         indexable.AddProperty (Property.NewUnsearched ("fixme:type", node.SelectSingleNode ("MemberType").InnerText.ToLower ()));
 146                         indexable.AddProperty (Property.New ("fixme:name", memberFullName.ToString ()));
 147
 148                         StringReader reader = new StringReader (node.SelectSingleNode ("Docs").InnerXml);
 149                         indexable.SetTextReader (reader);
 150
 151                         return indexable;
 152                 }
 153
 154                 static private char MemberTypeToChar (string memberType)
 155                 {
 156                         switch (memberType) {
 157                         case "Constructor":
 158                                 return 'C';
 159                         case "Event":
 160                                 return 'E';
 161                         case "Property":
 162                                 return 'P';
 163                         case "Field":
 164                                 return 'F';
 165                         case "Method":
 166                                 return 'M';
 167                         default:
 168                                 return 'U';
 169                         }
 170                 }
 171         }
 172 }