Filters/FilterRuby.cs

   1 //
   2 // FilterRuby.cs
   3 //
   4 // Author: Uwe Hermann <uwe@hermann-uwe.de>
   5 //
   6 // Copyright (C) 2005 Uwe Hermann
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining a
  11 // copy of this software and associated documentation files (the "Software"),
  12 // to deal in the Software without restriction, including without limitation
  13 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  14 // and/or sell copies of the Software, and to permit persons to whom the
  15 // Software is furnished to do so, subject to the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be included in
  18 // all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  26 // DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.IO;
  32 using System.Text;
  33
  34 using Beagle.Daemon;
  35
  36 namespace Beagle.Filters {
  37
  38         public class FilterRuby : FilterSource {
  39
  40                 static string [] strKeyWords = { "BEGIN", "END", "alias", "and", "begin", "break", "case",
  41                                                  "class", "def", "defined", "do", "else", "elsif", "end",
  42                                                  "ensure", "false", "for", "if", "in", "module", "next",
  43                                                  "nil", "not", "or", "redo", "rescue", "retry", "return",
  44                                                  "self", "super", "then", "true", "undef", "unless", "until",
  45                                                  "when", "while", "yield" };
  46
  47                 public FilterRuby ()
  48                 {
  49                         AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/x-ruby"));
  50
  51                 }
  52
  53                 override protected void DoOpen (FileInfo info)
  54                 {
  55                         foreach (string keyword in strKeyWords)
  56                                 KeyWordsHash [keyword] = true;
  57                         // Ruby also supports "#" as comment, so,
  58                         // adding Python_Style will process that as well.
  59                         SrcLangType = LangType.Python_Style;
  60                 }
  61
  62                 override protected void DoPull ()
  63                 {
  64                         string str = TextReader.ReadLine ();
  65                         if (str == null)
  66                                 Finished ();
  67                         else
  68                                 ExtractTokens (str);
  69                 }
  70         }
  71 }