Filters/FilterJs.cs

   1 //
   2 // FilterJs.cs
   3 //
   4 // Copyright (C) 2004 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.Collections;
  29 using System.IO;
  30 using System.Text;
  31
  32 using Beagle.Daemon;
  33
  34 namespace Beagle.Filters {
  35
  36         public class FilterJavascript : FilterSource {
  37
  38                 static string [] javascriptKeyWords = { "return", "goto", "if", "else", "case", "default",
  39                                                         "switch", "break", "continue", "while", "do", "for",
  40                                                         "catch", "throw", "finally", "try" };
  41
  42                 public FilterJavascript ()
  43                 {
  44                         AddSupportedFlavor (FilterFlavor.NewFromExtension (".js"));
  45                 }
  46
  47                 override protected void DoOpen (FileInfo info)
  48                 {
  49                         foreach (string keyword in javascriptKeyWords)
  50                                 KeyWordsHash [keyword] = true;
  51                         SrcLangType = LangType.C_Style;
  52                 }
  53
  54                 override protected void DoPull ()
  55                 {
  56                         string str = TextReader.ReadLine ();
  57                         if (str == null)
  58                                 Finished ();
  59                         else
  60                                 ExtractTokens (str);
  61                 }
  62         }
  63 }