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1   /*
2    * db2sa: DB2 Syntax Assistant
3    * Copyright (C) Andres Gomez Casanova
4    *
5    * This file is part of db2sa.
6    *
7    * db2sa is free software: you can redistribute it and/or modify
8    * it under the terms of the GNU Lesser General Public License as published by
9    * the Free Software Foundation; either version 3 of the License, or
10   * (at your option) any later version.
11   *
12   * db2sa is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   * GNU Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public License
18   * along with this library; if not, see <http://www.gnu.org/licenses/>.
19   *
20   * Contact:
21   * a n g o c a  at  y a h o o  dot  c o m
22   * Cra. 45 No 61 - 31, Bogota, Colombia.
23   *
24   * Author:   $LastChangedBy: angoca $:
25   * Date:     $LastChangedDate: 2009-04-12 13:54:19 +0200 (Sun, 12 Apr 2009) $:
26   * Revision: $LastChangedRevision: 44 $:
27   * URL:      $HeadURL: https://db2sa.svn.sourceforge.net/svnroot/db2sa/branches/db2sa_beta/source-code/src/main/java/name/angoca/db2sa/core/lexical/AbstractLexicalAnalyzer.java $:
28   */
29  package name.angoca.db2sa.core.lexical;
30  
31  import name.angoca.db2sa.core.ReturnOptions;
32  import name.angoca.db2sa.core.syntax.graph.exception.InvalidGraphException;
33  
34  /**
35   * This objects makes the analyzes over the phrase that the user is writing, and
36   * decomposes it in several tokens, that describe words or symbols. Some of them
37   * can be between quotation marks.<br/>
38   * <b>Control Version</b><br />
39   * <ul>
40   * <li>0.0.1 Class creation.</li>
41   * <li>0.1.0</li>
42   * <li>0.2.0</li>
43   * <li>1.0.0 Moved to version 1.</li>
44   * </ul>
45   * 
46   * @author Andres Gomez Casanova <a
47   *         href="mailto:a n g o c a at y a h o o dot c o m">(AngocA)</a>
48   * @version 1.0.0 2009-07-19
49   */
50  public abstract class AbstractLexicalAnalyzer {
51  
52      /**
53       * Process a given phrase that represents a command and sends the options in
54       * the screen printer.
55       * 
56       * @param phrase
57       *            Phrase to process.
58       * @return Set of options for the current phrase and the phrase to print.
59       * @throws InvalidGraphException
60       *             When the graph that represents the grammar is invalid.
61       */
62      public abstract ReturnOptions/* ! */processPhrase(final String/* ! */phrase)
63              throws InvalidGraphException;
64  
65  }