swext/mediawiki/src/com/sun/star/wiki/EditPageParser.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package com.sun.star.wiki;
  20
  21 import javax.swing.text.html.*;
  22 import javax.swing.text.MutableAttributeSet;
  23
  24 public class EditPageParser extends HTMLEditorKit.ParserCallback
  25 {
  26
  27     protected String m_sEditTime = "";
  28     protected String m_sEditToken = "";
  29     protected String m_sLoginToken = "";
  30     protected String m_sMainURL = "";
  31
  32     private boolean m_bHTMLStartFound = false;
  33     private boolean m_bInHead = false;
  34
  35     protected int m_nWikiArticleStart = -1;
  36     protected int m_nWikiArticleEnd = -1;
  37     protected int m_nHTMLArticleStart = -1;
  38     protected int m_nHTMLArticleEnd = -1;
  39     protected int m_nNoArticleInd = -1;
  40     protected int m_nErrorInd = -1;
  41
  42     @Override
  43     public void handleComment( char[] data,int pos )
  44     {
  45         // insert code to handle comments
  46     }
  47
  48     @Override
  49     public void handleEndTag( HTML.Tag t,int pos )
  50     {
  51         if ( t == HTML.Tag.TEXTAREA )
  52         {
  53             m_nWikiArticleEnd = pos;
  54         }
  55         else if ( t == HTML.Tag.DIV )
  56         {
  57             if ( m_bHTMLStartFound )
  58             {
  59                 m_nHTMLArticleStart = pos+6;
  60                 m_bHTMLStartFound = false;
  61             }
  62         }
  63         else if ( t == HTML.Tag.HEAD )
  64         {
  65             m_bInHead = false;
  66         }
  67     }
  68
  69     @Override
  70     public void handleError( String errorMsg,int pos )
  71     {
  72     }
  73
  74     @Override
  75     public void handleSimpleTag( HTML.Tag t, MutableAttributeSet a,int pos )
  76     {
  77         // insert code to handle simple tags
  78
  79         if ( t == HTML.Tag.INPUT )
  80         {
  81             String sName = ( String ) a.getAttribute( HTML.Attribute.NAME );
  82             if ( sName != null )
  83             {
  84                 if ( sName.equalsIgnoreCase( "wpEdittime" ) )
  85                 {
  86                     this.m_sEditTime = ( String ) a.getAttribute( HTML.Attribute.VALUE );
  87                 }
  88                 else if ( sName.equalsIgnoreCase( "wpEditToken" ) )
  89                 {
  90                     this.m_sEditToken = ( String ) a.getAttribute( HTML.Attribute.VALUE );
  91                 }
  92                 else if ( sName.equalsIgnoreCase( "wpLoginToken" ) )
  93                 {
  94                     this.m_sLoginToken = ( String ) a.getAttribute( HTML.Attribute.VALUE );
  95                 }
  96             }
  97
  98         }
  99         else if ( t == HTML.Tag.LINK )
 100         {
 101             if ( m_bInHead )
 102             {
 103                 String sName = ( String ) a.getAttribute( HTML.Attribute.HREF );
 104                 if ( sName != null )
 105                 {
 106                     // get the main URL from the first header-link with load.php (which is used for stylesheet)
 107                     int nPhpFileStart = sName.indexOf( "load.php" );
 108                     if (nPhpFileStart < 0)
 109                         // if not found, try header-link with opensearch_desc.php
 110                         nPhpFileStart = sName.indexOf( "opensearch_desc.php" );
 111
 112                     if ( nPhpFileStart >= 0
 113                       && m_sMainURL.length() == 0 )
 114                     {
 115                         m_sMainURL = sName.substring( 0, nPhpFileStart );
 116                     }
 117                 }
 118             }
 119         }
 120
 121     }
 122
 123     @Override
 124     public void handleStartTag( HTML.Tag t, MutableAttributeSet a,int pos )
 125     {
 126         // insert code to handle starting tags
 127         String sClass;
 128
 129         if ( t == HTML.Tag.HEAD )
 130         {
 131             m_bInHead = true;
 132         }
 133         else if ( t == HTML.Tag.TEXTAREA )
 134         {
 135             String sName = ( String ) a.getAttribute( HTML.Attribute.NAME );
 136             if ( sName != null && sName.equalsIgnoreCase( "wpTextbox1" ) )
 137             {
 138                 m_nWikiArticleStart = pos;
 139             }
 140         }
 141         else if ( t == HTML.Tag.DIV )
 142         {
 143             String sId = ( String ) a.getAttribute( HTML.Attribute.ID );
 144             sClass = ( String ) a.getAttribute( HTML.Attribute.CLASS );
 145             if ( sId != null  && sId.equalsIgnoreCase( "contentSub" ) )
 146             {
 147                 m_bHTMLStartFound = true;
 148             }
 149             if ( sClass != null )
 150             {
 151                 if ( sClass.equalsIgnoreCase( "printfooter" ) )
 152                 {
 153                     m_nHTMLArticleEnd = pos;
 154                 }
 155                 else if ( sClass.equalsIgnoreCase( "noarticletext" ) )
 156                 {
 157                     m_nNoArticleInd = pos;
 158                 }
 159                 else if ( sClass.equalsIgnoreCase( "errorbox" ) )
 160                 {
 161                     m_nErrorInd = pos;
 162                 }
 163             }
 164         }
 165         else if ( t == HTML.Tag.P )
 166         {
 167             sClass = ( String ) a.getAttribute( HTML.Attribute.CLASS );
 168             if ( sClass != null && sClass.equalsIgnoreCase( "error" ) )
 169             {
 170                 m_nErrorInd = pos;
 171             }
 172         }
 173     }
 174
 175
 176 }