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819 lines
38 KiB
819 lines
38 KiB
// wikiCode.java
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// -------------------------------------
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// part of YACY
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//
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// (C) 2005, 2006 by Alexander Schier
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// Marc Nause, Franz Brausze
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//
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//
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// last change: $LastChangedDate: $ by $LastChangedBy: $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// Contains contributions from Alexander Schier [AS]
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// Franz Brausze [FB] and Marc Nause [MN]
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package de.anomic.data;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import de.anomic.data.wiki.abstractWikiParser;
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import de.anomic.data.wiki.wikiParser;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverCore;
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/** This class provides methods to handle texts that have been posted in the yacyWiki or other
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* parts of YaCy that use this class, like the blog or the profile.
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*/
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public class wikiCode extends abstractWikiParser implements wikiParser {
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/* Table properties */
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private static final String[] tps = { "rowspan", "colspan", "vspace", "hspace", "cellspacing", "cellpadding", "border" };
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private static final HashMap/* <String,String[]> */<String, String[]> ps = new HashMap<String, String[]>();
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static {
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Arrays.sort(tps);
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String[] array;
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Arrays.sort(array = new String[] { "void", "above", "below", "hsides", "lhs", "rhs", "vsides", "box", "border" });
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ps.put("frame", array);
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Arrays.sort(array = new String[] { "none", "groups", "rows", "cols", "all" });
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ps.put("rules", array);
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Arrays.sort(array = new String[] { "top", "middle", "bottom", "baseline" });
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ps.put("valign", array);
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Arrays.sort(array = new String[] { "left", "right", "center" });
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ps.put("align", array);
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}
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private String numListLevel="";
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private String ListLevel="";
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private String defListLevel="";
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private boolean cellprocessing=false; //needed for prevention of double-execution of replaceHTML
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private boolean defList = false; //needed for definition lists
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private boolean escape = false; //needed for escape
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private boolean escaped = false; //needed for <pre> not getting in the way
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private boolean escapeSpan = false; //needed for escape symbols [= and =] spanning over several lines
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private boolean newrowstart=false; //needed for the first row not to be empty
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private boolean nolist = false; //needed for handling of [= and <pre> in lists
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private boolean preformatted = false; //needed for preformatted text
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private boolean preformattedSpan = false; //needed for <pre> and </pre> spanning over several lines
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private boolean replacedHTML = false; //indicates if method replaceHTML has been used with line already
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private boolean table = false; //needed for tables, because they reach over several lines
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private int preindented = 0; //needed for indented <pre>s
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private int escindented = 0; //needed for indented [=s
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private int headlines = 0; //number of headlines in page
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private ArrayList<String> dirElements = new ArrayList<String>(); //list of headlines used to create diectory of page
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/** Constructor of the class wikiCode */
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public wikiCode(plasmaSwitchboard switchboard){
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super(switchboard);
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}
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protected String transform(
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BufferedReader reader,
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int length,
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String publicAddress,
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plasmaSwitchboard switchboard) throws IOException {
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StringBuffer out = new StringBuffer(length);
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String line;
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while ((line = reader.readLine()) != null)
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out.append(transformLine(line, publicAddress, switchboard)).append(serverCore.CRLF_STRING);
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return out.insert(0, directory()).toString();
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}
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/** This method processes tables in the wiki code.
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* @param a string that might contain parts of a table
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* @return a string with wiki code of parts of table replaced by HTML code for table
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*/
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//[FB], changes by [MN]
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private String processTable(String result, plasmaSwitchboard switchboard){
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//some variables that make it easier to change codes for the table
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String line = "";
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String tableStart = "{|"; // {|
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String newLine = "|-"; // |-
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String cellDivider = "||"; // ||
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String tableEnd = "|}"; // |}
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String attribDivider = "|"; // |
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int lenTableStart = tableStart.length();
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int lenCellDivider = cellDivider.length();
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int lenTableEnd = tableEnd.length();
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int lenAttribDivider = attribDivider.length();
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if ((result.startsWith(tableStart)) && (!table)) {
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table=true;
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newrowstart=true;
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line="<table";
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if (result.trim().length()>lenTableStart) {
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line+=parseTableProperties(result.substring(lenTableStart).trim()).toString();
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}
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line+=">";
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result=line;
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}
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else if (result.startsWith(newLine) && (table)) { // new row
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if (!newrowstart) {
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line+="\t</tr>\n";
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} else {
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newrowstart=false;
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}
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line=line+"\t<tr>";
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result=line;
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}
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else if ((result.startsWith(cellDivider)) && (table)) {
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line+="\t\t<td";
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int cellEnd=(result.indexOf(cellDivider,lenCellDivider)>0)?(result.indexOf(cellDivider,lenCellDivider)):(result.length());
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int propEnd = result.indexOf(attribDivider,lenCellDivider);
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int occImage = result.indexOf("[[Image:",lenCellDivider);
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int occEscape = result.indexOf("[=",lenCellDivider);
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//If resultOf("[[Image:") is less than propEnd, that means that there is no
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//property for this cell, only an image. Without this, YaCy could get confused
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//by a | in [[Image:picture.png|alt-text]] or [[Image:picture.png|alt-text]]
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//Same for [= (part of [= =])
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if((propEnd > lenCellDivider)
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&&((occImage > propEnd)||( occImage < 0))
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&&((occEscape> propEnd)||( occEscape < 0))
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){
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propEnd = result.indexOf(attribDivider,lenCellDivider)+lenAttribDivider;
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}
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else {
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propEnd = cellEnd;
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}
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// both point at same place => new line
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if (propEnd==cellEnd) {
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propEnd=lenCellDivider;
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}
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else {
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line+=parseTableProperties(result.substring(lenCellDivider,propEnd-lenAttribDivider).trim()).toString();
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}
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// quick&dirty fix [MN]
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if(propEnd > cellEnd){
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propEnd = lenCellDivider;
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}
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table=false; cellprocessing=true;
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line+=">"+processTable(result.substring(propEnd,cellEnd).trim(), switchboard)+"</td>";
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table=true; cellprocessing=false;
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if (cellEnd<result.length()) {
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line+="\n"+processTable(result.substring(cellEnd), switchboard);
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}
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result=line;
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}
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else if (result.startsWith(tableEnd) && (table)) { // Table end
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table=false;
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line+="\t</tr>\n</table>"+result.substring(lenTableEnd);
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result=line;
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}
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return result;
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}
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// contributed by [MN], changes by [FB]
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/** This method takes possible table properties and tests if they are valid.
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* Valid in this case means if they are a property for the table, tr or td
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* tag as stated in the HTML Pocket Reference by Jennifer Niederst (1st edition)
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* The method is important to avoid XSS attacks on the wiki via table properties.
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* @param properties A string that may contain several table properties and/or junk.
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* @return A string that only contains table properties.
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*/
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private static StringBuffer parseTableProperties(final String properties) {
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final String[] values = properties.replaceAll(""", "").split("[= ]"); //splitting the string at = and blanks
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final StringBuffer sb = new StringBuffer(properties.length());
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String key, value;
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String[] posVals;
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final int numberofvalues = values.length;
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for (int i=0; i<numberofvalues; i++) {
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key = values[i].trim();
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if (key.equals("nowrap")) {
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addPair("nowrap", "nowrap", sb);
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} else if (i + 1 < numberofvalues) {
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value = values[++i].trim();
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if (
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(key.equals("summary")) ||
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(key.equals("bgcolor") && value.matches("#{0,1}[0-9a-fA-F]{1,6}|[a-zA-Z]{3,}")) ||
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((key.equals("width") || key.equals("height")) && value.matches("\\d+%{0,1}")) ||
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((posVals = ps.get(key)) != null && Arrays.binarySearch(posVals, value) >= 0) ||
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(Arrays.binarySearch(tps, key) >= 0 && value.matches("\\d+"))
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) {
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addPair(key, value, sb);
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}
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}
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}
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return sb;
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}
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private static StringBuffer addPair(String key, String value, StringBuffer sb) {
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return sb.append(" ").append(key).append("=\"").append(value).append("\"");
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}
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/** This method processes ordered lists.
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*/
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private String orderedList(String result){
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if(!nolist){ //lists only get processed if not forbidden (see code for [= and <pre>). [MN]
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int p0 = 0;
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int p1 = 0;
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//# sorted Lists contributed by [AS]
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//## Sublist
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if(result.startsWith(numListLevel + "#")){ //more #
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p0 = result.indexOf(numListLevel);
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p1 = result.length();
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result = "<ol>" + serverCore.CRLF_STRING +
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"<li>" +
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result.substring(numListLevel.length() + 1, p1) +
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"</li>";
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numListLevel += "#";
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}else if(numListLevel.length() > 0 && result.startsWith(numListLevel)){ //equal number of #
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p0 = result.indexOf(numListLevel);
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p1 = result.length();
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result = "<li>" +
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result.substring(numListLevel.length(), p1) +
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"</li>";
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}else if(numListLevel.length() > 0){ //less #
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int i = numListLevel.length();
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String tmp = "";
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while(! result.startsWith(numListLevel.substring(0,i)) ){
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tmp += "</ol>";
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i--;
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}
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numListLevel = numListLevel.substring(0,i);
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p0 = numListLevel.length();
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p1 = result.length();
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if(numListLevel.length() > 0){
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result = tmp +
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"<li>" +
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result.substring(p0, p1) +
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"</li>";
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}else{
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result = tmp + result.substring(p0, p1);
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}
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}
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// end contrib [AS]
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}
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return result;
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}
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/** This method processes unordered lists.
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*/
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//contributed by [AS] put into it's own method by [MN]
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private String unorderedList(String result){
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if(!nolist){ //lists only get processed if not forbidden (see code for [= and <pre>). [MN]
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int p0 = 0;
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int p1 = 0;
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//contributed by [AS]
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if(result.startsWith(ListLevel + "*")){ //more stars
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p0 = result.indexOf(ListLevel);
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p1 = result.length();
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result = "<ul>" + serverCore.CRLF_STRING +
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"<li>" +
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result.substring(ListLevel.length() + 1, p1) +
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"</li>";
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ListLevel += "*";
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}else if(ListLevel.length() > 0 && result.startsWith(ListLevel)){ //equal number of stars
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p0 = result.indexOf(ListLevel);
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p1 = result.length();
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result = "<li>" +
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result.substring(ListLevel.length(), p1) +
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"</li>";
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}else if(ListLevel.length() > 0){ //less stars
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int i = ListLevel.length();
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String tmp = "";
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while(! result.startsWith(ListLevel.substring(0,i))){
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tmp += "</ul>";
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i--;
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}
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ListLevel = ListLevel.substring(0,i);
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p0 = ListLevel.length();
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p1 = result.length();
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if(ListLevel.length() > 0){
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result = tmp +
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"<li>" +
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result.substring(p0, p1) +
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"</li>";
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}else{
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result = tmp + result.substring(p0, p1);
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}
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}
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//end contrib [AS]
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}
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return result;
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}
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/** This method processes definition lists.
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*/
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//contributed by [MN] based on unordered list code by [AS]
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private String definitionList(String result){
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if(!nolist){ //lists only get processed if not forbidden (see code for [= and <pre>). [MN]
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int p0 = 0;
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int p1 = 0;
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if(result.startsWith(defListLevel + ";")){ //more semicolons
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String dt = "";
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String dd = "";
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p0 = result.indexOf(defListLevel);
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p1 = result.length();
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String resultCopy = result.substring(defListLevel.length() + 1, p1);
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if((p0 = resultCopy.indexOf(":")) > 0){
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dt = resultCopy.substring(0,p0);
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dd = resultCopy.substring(p0+1);
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result = "<dl>" + "<dt>" + dt + "</dt>" + "<dd>" + dd;
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defList = true;
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}
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defListLevel += ";";
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}else if(defListLevel.length() > 0 && result.startsWith(defListLevel)){ //equal number of semicolons
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String dt = "";
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String dd = "";
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p0 = result.indexOf(defListLevel);
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p1 = result.length();
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String resultCopy = result.substring(defListLevel.length(), p1);
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if((p0 = resultCopy.indexOf(":")) > 0){
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dt = resultCopy.substring(0,p0);
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dd = resultCopy.substring(p0+1);
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result = "<dt>" + dt + "</dt>" + "<dd>" + dd;
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defList = true;
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}
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}else if(defListLevel.length() > 0){ //less semicolons
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String dt = "";
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String dd = "";
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int i = defListLevel.length();
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String tmp = "";
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while(! result.startsWith(defListLevel.substring(0,i)) ){
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tmp += "</dd></dl>";
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i--;
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}
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defListLevel = defListLevel.substring(0,i);
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p0 = defListLevel.length();
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p1 = result.length();
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if(defListLevel.length() > 0){
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String resultCopy = result.substring(p0, p1);
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if((p0 = resultCopy.indexOf(":")) > 0){
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dt = resultCopy.substring(0,p0);
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dd = resultCopy.substring(p0+1);
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result = tmp + "<dt>" + dt + "</dt>" + "<dd>" + dd;
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defList = true;
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}
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}else{
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result = tmp + result.substring(p0, p1);
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}
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}
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}
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return result;
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}
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/** This method processes links and images.
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*/
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//contributed by [AS] except where stated otherwise
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private String linksAndImages(String result, String publicAddress, plasmaSwitchboard switchboard) {
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// create links
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String kl, kv, alt, align;
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int p;
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int p0 = 0;
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int p1 = 0;
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// internal links and images
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while ((p0 = result.indexOf("[[")) >= 0) {
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p1 = result.indexOf("]]", p0 + 2);
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if (p1 <= p0) break;
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kl = result.substring(p0 + 2, p1);
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// this is the part of the code that's responsible for images
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// contributed by [MN]
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if (kl.startsWith("Image:")) {
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alt = "";
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align = "";
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kv = "";
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kl = kl.substring(6);
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// are there any arguments for the image?
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if ((p = kl.indexOf("|")) > 0) {
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kv = kl.substring(p + 6);
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kl = kl.substring(0, p);
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// if there are 2 arguments, write them into ALIGN and ALT
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if ((p = kv.indexOf("|")) > 0) {
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align = kv.substring(0, p);
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//checking validity of value for align. Only non browser specific
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//values get supported. Not supported: absmiddle, baseline, texttop
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if ((align.equals("bottom"))||
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(align.equals("center"))||
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(align.equals("left"))||
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(align.equals("middle"))||
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(align.equals("right"))||
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(align.equals("top")))
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{
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align = " align=\"" + align + "\"";
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}
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else align = "";
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alt = " alt=\"" + kv.substring(p + 6) + "\"";
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}
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// if there is just one, put it into ALT
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else
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alt = " alt=\"" + kv + "\"";
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}
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// replace incomplete URLs and make them point to http://peerip:port/...
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// with this feature you can access an image in DATA/HTDOCS/share/yacy.gif
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// using the wikicode [[Image:share/yacy.gif]]
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// or an image DATA/HTDOCS/grafics/kaskelix.jpg with [[Image:grafics/kaskelix.jpg]]
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// you are free to use other sub-paths of DATA/HTDOCS
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if (kl.indexOf("://")<1) {
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kl = "http://" + publicAddress.trim() + "/" + kl;
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}
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result = result.substring(0, p0) + "<img src=\"" + kl + "\"" + align + alt + ">" + result.substring(p1 + 2);
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}
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// end contrib [MN]
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// if it's no image, it might be an internal link
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else {
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if ((p = kl.indexOf("|")) > 0) {
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kv = kl.substring(p + 6);
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kl = kl.substring(0, p);
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} else {
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kv = kl;
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}
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if (switchboard != null && switchboard.wikiDB.read(kl) != null) {
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result = result.substring(0, p0) + "<a class=\"known\" href=\"Wiki.html?page=" + kl + "\">" + kv + "</a>" + result.substring(p1 + 2);
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} else {
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result = result.substring(0, p0) + "<a class=\"unknown\" href=\"Wiki.html?page=" + kl + "&edit=Edit\">" + kv + "</a>" + result.substring(p1 + 2);
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}
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}
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}
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// external links
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while ((p0 = result.indexOf("[")) >= 0) {
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p1 = result.indexOf("]", p0 + 1);
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if (p1 <= p0) break;
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kl = result.substring(p0 + 1, p1);
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if ((p = kl.indexOf(" ")) > 0) {
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kv = kl.substring(p + 1);
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kl = kl.substring(0, p);
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}
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// No text for the link? -> <a href="http://www.url.com/">http://www.url.com/</a>
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else {
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kv = kl;
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}
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// replace incomplete URLs and make them point to http://peerip:port/...
|
|
// with this feature you can access a file at DATA/HTDOCS/share/page.html
|
|
// using the wikicode [share/page.html]
|
|
// or a file DATA/HTDOCS/www/page.html with [www/page.html]
|
|
// you are free to use other sub-paths of DATA/HTDOCS
|
|
if (kl.indexOf("://") < 1) {
|
|
kl = "http://" + publicAddress.trim() + "/" + kl;
|
|
}
|
|
result = result.substring(0, p0) + "<a class=\"extern\" href=\"" + kl + "\">" + kv + "</a>" + result.substring(p1 + 1);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** This method handles the escape tags [= =] */
|
|
//contributed by [MN]
|
|
private String escapeTag(String result, String publicAddress, plasmaSwitchboard switchboard){
|
|
int p0 = 0;
|
|
int p1 = 0;
|
|
//both [= and =] in the same line
|
|
if(((p0 = result.indexOf("[="))>=0)&&((p1 = result.indexOf("=]"))>0)&&(!(preformatted))){
|
|
if(p0<p1){
|
|
String escapeText = result.substring(p0+2,p1);
|
|
escapeText = escapeText.replaceAll("!esc!", "!esc!!");
|
|
result = transformLine(result.substring(0,p0).replaceAll("!esc!", "!esc!!")+"!esc!txt!"+result.substring(p1+2).replaceAll("!esc!", "!esc!!"), publicAddress, switchboard);
|
|
result = result.replaceAll("!esc!txt!", escapeText);
|
|
result = result.replaceAll("!esc!!", "!esc!");
|
|
}
|
|
//handles cases like [=[= =]=] [= =] that would cause an exception otherwise
|
|
else{
|
|
escape = true;
|
|
String temp1 = transformLine(result.substring(0,p0-1).replaceAll("!tmp!","!tmp!!")+"!tmp!txt!", publicAddress, switchboard);
|
|
nolist = true;
|
|
String temp2 = transformLine(result.substring(p0), publicAddress, switchboard);
|
|
nolist = false;
|
|
result = temp1.replaceAll("!tmp!txt!",temp2);
|
|
result = result.replaceAll("!tmp!!", "!tmp!");
|
|
escape = false;
|
|
}
|
|
}
|
|
|
|
//start [=
|
|
else if(((p0 = result.indexOf("[="))>=0)&&(!escapeSpan)&&(!preformatted)){
|
|
escape = true; //prevent surplus line breaks
|
|
escaped = true; //prevents <pre> being parsed
|
|
String bq = ""; //gets filled with <blockquote>s as needed
|
|
String escapeText = result.substring(p0+2);
|
|
escapeText = escapeText.replaceAll("!esc!", "!esc!!");
|
|
//taking care of indented lines
|
|
while(result.substring(escindented,p0).startsWith(":")){
|
|
escindented++;
|
|
bq = bq + "<blockquote>";
|
|
}
|
|
result = transformLine(result.substring(escindented,p0).replaceAll("!esc!", "!esc!!")+"!esc!txt!", publicAddress, switchboard);
|
|
result = bq + result.replaceAll("!esc!txt!", escapeText);
|
|
result = result.replaceAll("!esc!!", "!esc!");
|
|
escape = false;
|
|
escapeSpan = true;
|
|
}
|
|
|
|
//end =]
|
|
else if(((p0 = result.indexOf("=]"))>=0)&&(escapeSpan)&&(!preformatted)){
|
|
escapeSpan = false;
|
|
String bq = ""; //gets filled with </blockquote>s as needed
|
|
String escapeText = result.substring(0,p0);
|
|
escapeText = escapeText.replaceAll("!esc!", "!esc!!");
|
|
//taking care of indented lines
|
|
while(escindented > 0){
|
|
bq = bq + "</blockquote>";
|
|
escindented--;
|
|
}
|
|
result = transformLine("!esc!txt!"+result.substring(p0+2).replaceAll("!esc!", "!esc!!"), publicAddress, switchboard);
|
|
result = result.replaceAll("!esc!txt!", escapeText) + bq;
|
|
result = result.replaceAll("!esc!!", "!esc!");
|
|
escaped = false;
|
|
}
|
|
//Getting rid of surplus =]
|
|
else if (((p0 = result.indexOf("=]"))>=0)&&(!escapeSpan)&&(!preformatted)){
|
|
while((p0 = result.indexOf("=]"))>=0){
|
|
result = result.substring(0,p0)+result.substring(p0+2);
|
|
}
|
|
result = transformLine(result, publicAddress, switchboard);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** This method handles the preformatted tags <pre> </pre> */
|
|
//contributed by [MN]
|
|
private String preformattedTag(String result, String publicAddress, plasmaSwitchboard switchboard){
|
|
int p0 = 0;
|
|
int p1 = 0;
|
|
//implementation very similar to escape code (see above)
|
|
//both <pre> and </pre> in the same line
|
|
if(((p0=result.indexOf("<pre>"))>=0)&&((p1=result.indexOf("</pre>"))>0)&&(!(escaped))){
|
|
if(p0<p1){
|
|
String preformattedText = "<pre style=\"border:dotted;border-width:thin\">"+result.substring(p0+11,p1)+"</pre>";
|
|
preformattedText = preformattedText.replaceAll("!pre!", "!pre!!");
|
|
result = transformLine(result.substring(0,p0).replaceAll("!pre!", "!pre!!")+"!pre!txt!"+result.substring(p1+12).replaceAll("!pre!", "!pre!!"), publicAddress, switchboard);
|
|
result = result.replaceAll("!pre!txt!", preformattedText);
|
|
result = result.replaceAll("!pre!!", "!pre!");
|
|
}
|
|
//handles cases like <pre><pre> </pre></pre> <pre> </pre> that would cause an exception otherwise
|
|
else{
|
|
preformatted = true;
|
|
String temp1 = transformLine(result.substring(0,p0-1).replaceAll("!tmp!","!tmp!!")+"!tmp!txt!", publicAddress, switchboard);
|
|
nolist = true;
|
|
String temp2 = transformLine(result.substring(p0), publicAddress, switchboard);
|
|
nolist = false;
|
|
result = temp1.replaceAll("!tmp!txt!",temp2);
|
|
result = result.replaceAll("!tmp!!", "!tmp!");
|
|
preformatted = false;
|
|
}
|
|
}
|
|
|
|
//start <pre>
|
|
else if(((p0 = result.indexOf("<pre>"))>=0)&&(!preformattedSpan)&&(!escaped)){
|
|
preformatted = true; //prevent surplus line breaks
|
|
String bq =""; //gets filled with <blockquote>s as needed
|
|
String preformattedText = "<pre style=\"border:dotted;border-width:thin\">"+result.substring(p0+11);
|
|
preformattedText = preformattedText.replaceAll("!pre!", "!pre!!");
|
|
//taking care of indented lines
|
|
while(result.substring(preindented,p0).startsWith(":")){
|
|
preindented++;
|
|
bq = bq + "<blockquote>";
|
|
}
|
|
result = transformLine(result.substring(preindented,p0).replaceAll("!pre!", "!pre!!")+"!pre!txt!", publicAddress, switchboard);
|
|
result = bq + result.replaceAll("!pre!txt!", preformattedText);
|
|
result = result.replaceAll("!pre!!", "!pre!");
|
|
preformattedSpan = true;
|
|
}
|
|
|
|
//end </pre>
|
|
else if(((p0 = result.indexOf("</pre>"))>=0)&&(preformattedSpan)&&(!escaped)){
|
|
preformattedSpan = false;
|
|
String bq = ""; //gets filled with </blockquote>s as needed
|
|
String preformattedText = result.substring(0,p0)+"</pre>";
|
|
preformattedText = preformattedText.replaceAll("!pre!", "!pre!!");
|
|
//taking care of indented lines
|
|
while (preindented > 0){
|
|
bq = bq + "</blockquote>";
|
|
preindented--;
|
|
}
|
|
result = transformLine("!pre!txt!"+result.substring(p0+12).replaceAll("!pre!", "!pre!!"), publicAddress, switchboard);
|
|
result = result.replaceAll("!pre!txt!", preformattedText) + bq;
|
|
result = result.replaceAll("!pre!!", "!pre!");
|
|
preformatted = false;
|
|
}
|
|
//Getting rid of surplus </pre>
|
|
else if (((p0 = result.indexOf("</pre>"))>=0)&&(!preformattedSpan)&&(!escaped)){
|
|
while((p0 = result.indexOf("</pre>"))>=0){
|
|
result = result.substring(0,p0)+result.substring(p0+12);
|
|
}
|
|
result = transformLine(result, publicAddress, switchboard);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** This method creates a directory for a wiki page.
|
|
* @return directory of the wiki
|
|
*/
|
|
//method contributed by [MN]
|
|
private String directory(){
|
|
String directory = "";
|
|
String element;
|
|
int s = 0;
|
|
int level = 1;
|
|
int level1 = 0;
|
|
int level2 = 0;
|
|
int level3 = 0;
|
|
int doubles = 0;
|
|
String anchorext = "";
|
|
if((s=dirElements.size())>2){
|
|
for(int i=0;i<s;i++){
|
|
element = dirElements.get(i).toString();
|
|
//counting double headlines
|
|
doubles = 0;
|
|
for(int j=0;j<i;j++){
|
|
if(dirElements.get(j).toString().substring(1).replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]","").equals(element.substring(1).replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]",""))){
|
|
doubles++;
|
|
}
|
|
}
|
|
//if there are doubles, create anchorextension
|
|
if(doubles>0){
|
|
anchorext = "_" + (doubles+1);
|
|
}
|
|
|
|
if (element.startsWith("3")){
|
|
if(level<3){
|
|
level = 3;
|
|
level3 = 0;
|
|
}
|
|
level3++;
|
|
String temp = element.substring(1);
|
|
element=level1+"."+level2+"."+level3+" "+temp;
|
|
directory = directory + " <a href=\"#"+temp.replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]","")+anchorext+"\" class=\"WikiTOC\">"+element+"</a><br />\n";
|
|
}
|
|
else if (element.startsWith("2")){
|
|
if(level==1){
|
|
level2 = 0;
|
|
level = 2;
|
|
}
|
|
if(level==3){
|
|
level = 2;
|
|
}
|
|
level2++;
|
|
String temp = element.substring(1);
|
|
element=level1+"."+level2+" "+temp;
|
|
directory = directory + " <a href=\"#"+temp.replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]","")+anchorext+"\" class=\"WikiTOC\">"+element+"</a><br />\n";
|
|
}
|
|
else if (element.startsWith("1")) {
|
|
if (level>1) {
|
|
level = 1;
|
|
level2 = 0;
|
|
level3 = 0;
|
|
}
|
|
level1++;
|
|
String temp = element.substring(1);
|
|
element=level1+". "+temp;
|
|
directory = directory + "<a href=\"#"+temp.replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]","")+anchorext+"\" class=\"WikiTOC\">"+element+"</a><br />\n";
|
|
}
|
|
anchorext="";
|
|
}
|
|
directory = "<table><tr><td><div class=\"WikiTOCBox\">\n" + directory + "</div></td></tr></table>\n";
|
|
}
|
|
// [MN]
|
|
if(!dirElements.isEmpty()){
|
|
dirElements.clear();
|
|
headlines = 0;
|
|
}
|
|
return directory;
|
|
}
|
|
|
|
/** Replaces two occurences of a substring in a string by a pair of strings if
|
|
* that substring occurs twice in the string. This method is not greedy! You'll
|
|
* have to run it in a loop if you want to replace all occurences of the substring.
|
|
* This method provides special treatment for headlines.
|
|
* @param input the string that something is to be replaced in
|
|
* @param pat substring to be replaced
|
|
* @param repl1 string substring gets replaced by on uneven occurences
|
|
* @param repl2 string substring gets replaced by on even occurences
|
|
*/
|
|
//[MN]
|
|
private String pairReplace(String input, String pat, String repl1, String repl2){
|
|
String direlem = ""; //string to keep headlines until they get added to List dirElements
|
|
int p0 = 0;
|
|
int p1 = 0;
|
|
int l = pat.length();
|
|
//replace pattern if a pair of the pattern can be found in the line
|
|
if( ((p0 = input.indexOf(pat)) >= 0) && ((p1 = input.indexOf(pat, p0 + l)) >= 0) ) {
|
|
//extra treatment for headlines
|
|
if((pat.equals("===="))||(pat.equals("==="))||(pat.equals("=="))){
|
|
//add anchor and create headline
|
|
direlem = input.substring(p0 + l, p1);
|
|
//counting double headlines
|
|
int doubles = 0;
|
|
for(int i=0;i<headlines;i++){
|
|
if(dirElements.get(i).toString().substring(1).equals(direlem)){
|
|
doubles++;
|
|
}
|
|
}
|
|
String anchor = direlem.replaceAll(" ","_").replaceAll("[^a-zA-Z0-9_]",""); //replace blanks with underscores and delete everything thats not a regular character, a number or _
|
|
//if there are doubles, add underscore and number of doubles plus one
|
|
if(doubles>0){
|
|
anchor = anchor + "_" + (doubles+1);
|
|
}
|
|
input = input.substring(0, p0) + "<a name=\""+anchor+"\"></a>" + repl1 +
|
|
direlem + repl2 + input.substring(p1 + l);
|
|
//add headlines to list of headlines (so TOC can be created)
|
|
if(pat.equals("====")) dirElements.add("3"+direlem);
|
|
else if(pat.equals("===")) dirElements.add("2"+direlem);
|
|
else if(pat.equals("==")) dirElements.add("1"+direlem);
|
|
headlines++;
|
|
}
|
|
else{
|
|
input = input.substring(0, p0) + repl1 +
|
|
(direlem = input.substring(p0 + l, p1)) + repl2 +
|
|
input.substring(p1 + l);
|
|
}
|
|
}
|
|
//recursion if a pair of the pattern can still be found in the line
|
|
if( ((p0 = input.indexOf(pat)) >= 0) && (input.indexOf(pat,p0 + l) >= 0) ){
|
|
input = pairReplace(input, pat, repl1, repl2);
|
|
}
|
|
return input;
|
|
}
|
|
|
|
/** Replaces wiki tags with HTML tags.
|
|
* @param result a line of text
|
|
* @param switchboard
|
|
* @return the line of text with HTML tags instead of wiki tags
|
|
*/
|
|
public String transformLine(String result, String publicAddress, plasmaSwitchboard switchboard) {
|
|
//If HTML has not bee replaced yet (can happen if method gets called in recursion), replace now!
|
|
if (!replacedHTML || preformattedSpan){
|
|
result = htmlTools.encodeUnicode2html(result, true);
|
|
replacedHTML = true;
|
|
}
|
|
|
|
//check if line contains escape symbols([= =]) or if we are in an escape sequence already.
|
|
if ((result.indexOf("[=")>=0)||(result.indexOf("=]")>=0)||(escapeSpan)){
|
|
result = escapeTag(result, publicAddress, switchboard);
|
|
}
|
|
|
|
//check if line contains preformatted symbols or if we are in a preformatted sequence already.
|
|
else if ((result.indexOf("<pre>")>=0)||(result.indexOf("</pre>")>=0)||(preformattedSpan)){
|
|
result = preformattedTag(result, publicAddress, switchboard);
|
|
}
|
|
|
|
//transform page as usual
|
|
else {
|
|
|
|
//tables first -> wiki-tags in cells can be treated after that
|
|
result = processTable(result, switchboard);
|
|
|
|
// format lines
|
|
if (result.startsWith(" ")) result = "<tt>" + result.substring(1) + "</tt>";
|
|
if (result.startsWith("----")) result = "<hr />";
|
|
|
|
// citings contributed by [MN]
|
|
if(result.startsWith(":")){
|
|
String head = "";
|
|
String tail = "";
|
|
while(result.startsWith(":")){
|
|
head = head + "<blockquote>";
|
|
tail = tail + "</blockquote>";
|
|
result = result.substring(1);
|
|
}
|
|
result = head + result + tail;
|
|
}
|
|
// end contrib [MN]
|
|
|
|
// format headers
|
|
result = pairReplace(result,"====","<h4>","</h4>");
|
|
result = pairReplace(result,"===","<h3>","</h3>");
|
|
result = pairReplace(result,"==","<h2>","</h2>");
|
|
|
|
result = pairReplace(result,"'''''","<b><i>","</i></b>");
|
|
result = pairReplace(result,"'''","<b>","</b>");
|
|
result = pairReplace(result,"''","<i>","</i>");
|
|
|
|
result = unorderedList(result);
|
|
result = orderedList(result);
|
|
result = definitionList(result);
|
|
|
|
result = linksAndImages(result, publicAddress, switchboard);
|
|
|
|
}
|
|
|
|
if (!preformatted) replacedHTML = false;
|
|
if ((result.endsWith("</li>"))||(defList)||(escape)||(preformatted)||(table)||(cellprocessing)) return result;
|
|
return result + "<br />";
|
|
}
|
|
}
|