1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
2 | * |
3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
4 | * |
5 | * "Hilbert II" is free software; you can redistribute |
6 | * it and/or modify it under the terms of the GNU General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | */ |
15 | |
16 | package org.qedeq.kernel.xml.handler.module; |
17 | |
18 | import org.qedeq.kernel.se.dto.module.LatexListVo; |
19 | import org.qedeq.kernel.se.dto.module.LatexVo; |
20 | import org.qedeq.kernel.xml.common.XmlSyntaxException; |
21 | import org.qedeq.kernel.xml.handler.common.AbstractSimpleHandler; |
22 | import org.qedeq.kernel.xml.handler.common.SimpleAttributes; |
23 | |
24 | /** |
25 | * Parse header informations. |
26 | * |
27 | * @version $Revision: 1.1 $ |
28 | * @author Michael Meyling |
29 | */ |
30 | public class LatexListHandler extends AbstractSimpleHandler { |
31 | |
32 | /** Text language. */ |
33 | private String language; |
34 | |
35 | /** LaTeX text. */ |
36 | private LatexListVo list; |
37 | |
38 | /** Character data. */ |
39 | private String data; |
40 | |
41 | /** |
42 | * Handles LaTeX tags. |
43 | * |
44 | * @param handler Handler that uses this handler. |
45 | * @param startTag This is the starting tag. |
46 | */ |
47 | public LatexListHandler(final AbstractSimpleHandler handler, final String startTag) { |
48 | super(handler, startTag); |
49 | } |
50 | |
51 | public void init() { |
52 | list = new LatexListVo(); |
53 | } |
54 | |
55 | /** |
56 | * Get parsed result. |
57 | * |
58 | * @return LaTeX text parts. |
59 | */ |
60 | public final LatexListVo getLatexList() { |
61 | return list; |
62 | } |
63 | |
64 | public void startElement(final String name, final SimpleAttributes attributes) |
65 | throws XmlSyntaxException { |
66 | if (getStartTag().equals(name)) { |
67 | // ignore |
68 | } else if ("LATEX".equals(name)) { |
69 | this.data = null; |
70 | language = attributes.getString("language"); |
71 | } else { |
72 | throw XmlSyntaxException.createUnexpectedTagException(name); |
73 | } |
74 | } |
75 | |
76 | public void endElement(final String name) throws XmlSyntaxException { |
77 | if (getStartTag().equals(name)) { |
78 | // ignore |
79 | } else if ("LATEX".equals(name)) { |
80 | list.add(new LatexVo(language, data)); |
81 | } else { |
82 | throw XmlSyntaxException.createUnexpectedTagException(name); |
83 | } |
84 | } |
85 | |
86 | public final void characters(final String name, final String data) { |
87 | if ("LATEX".equals(name)) { |
88 | this.data = data; |
89 | } else { |
90 | throw new RuntimeException("Unexpected character data in tag: " + name); |
91 | } |
92 | } |
93 | |
94 | } |