git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@500 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
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// wikiCode.java
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// -------------------------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This file ist contributed by Alexander Schier
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// last major change: 09.08.2004
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.data;
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import java.io.BufferedReader;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.HashMap;
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import de.anomic.data.wikiBoard;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyNewsRecord;
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import de.anomic.yacy.yacyNewsPool;
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import de.anomic.yacy.yacyCore;
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public class wikiCode {
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private String numListLevel="";
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private String ListLevel="";
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public wikiCode(){
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}
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public String transform(byte[] content, plasmaSwitchboard switchboard) {
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ByteArrayInputStream bais = new ByteArrayInputStream(content);
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BufferedReader br = new BufferedReader(new InputStreamReader(bais));
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String line;
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String out = "";
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try {
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while ((line = br.readLine()) != null) {
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out += transformLine(new String(line), switchboard) + serverCore.crlfString;
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}
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return out;
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} catch (IOException e) {
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return "internal error: " + e.getMessage();
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}
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}
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public String transformLine(String result, plasmaSwitchboard switchboard) {
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// transform page
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int p0, p1;
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// avoide html inside
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//p0 = 0; while ((p0 = result.indexOf("&", p0+1)) >= 0) result = result.substring(0, p0) + "&" + result.substring(p0 + 1);
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p0 = 0; while ((p0 = result.indexOf('"', p0+1)) >= 0) result = result.substring(0, p0) + """ + result.substring(p0 + 1);
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p0 = 0; while ((p0 = result.indexOf("<", p0+1)) >= 0) result = result.substring(0, p0) + "<" + result.substring(p0 + 1);
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p0 = 0; while ((p0 = result.indexOf(">", p0+1)) >= 0) result = result.substring(0, p0) + ">" + result.substring(p0 + 1);
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//p0 = 0; while ((p0 = result.indexOf("*", p0+1)) >= 0) result = result.substring(0, p0) + "•" + result.substring(p0 + 1);
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p0 = 0; while ((p0 = result.indexOf("(C)", p0+1)) >= 0) result = result.substring(0, p0) + "©" + result.substring(p0 + 3);
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// format lines
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if (result.startsWith(" ")) result = "<tt>" + result + "</tt>";
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if (result.startsWith("----")) result = "<hr>";
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// format headers
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if ((p0 = result.indexOf("====")) >= 0) {
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p1 = result.indexOf("====", p0 + 4);
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if (p1 >= 0) result = result.substring(0, p0) + "<h4>" +
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result.substring(p0 + 4, p1) + "</h4>" +
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result.substring(p1 + 4);
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}
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if ((p0 = result.indexOf("===")) >= 0) {
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p1 = result.indexOf("===", p0 + 3);
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if (p1 >= 0) result = result.substring(0, p0) + "<h3>" +
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result.substring(p0 + 3, p1) + "</h3>" +
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result.substring(p1 + 3);
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}
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if ((p0 = result.indexOf("==")) >= 0) {
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p1 = result.indexOf("==", p0 + 2);
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if (p1 >= 0) result = result.substring(0, p0) + "<h2>" +
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result.substring(p0 + 2, p1) + "</h2>" +
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result.substring(p1 + 2);
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}
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if ((p0 = result.indexOf("''''")) >= 0) {
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p1 = result.indexOf("''''", p0 + 4);
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if (p1 >= 0) result = result.substring(0, p0) + "<b><i>" +
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result.substring(p0 + 4, p1) + "</i></b>" +
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result.substring(p1 + 4);
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}
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if ((p0 = result.indexOf("'''")) >= 0) {
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p1 = result.indexOf("'''", p0 + 3);
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if (p1 >= 0) result = result.substring(0, p0) + "<b>" +
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result.substring(p0 + 3, p1) + "</b>" +
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result.substring(p1 + 3);
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}
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if ((p0 = result.indexOf("''")) >= 0) {
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p1 = result.indexOf("''", p0 + 2);
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if (p1 >= 0) result = result.substring(0, p0) + "<i>" +
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result.substring(p0 + 2, p1) + "</i>" +
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result.substring(p1 + 2);
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}
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//* unorderd Lists contributed by [AS]
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//** Sublist
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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.crlfString +
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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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//# 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.crlfString +
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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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// create links
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String kl, kv, alt, align;
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int p;
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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; else; {
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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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// contibuted 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+1);
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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 = " align=\"" + kv.substring(0, p) +"\"";
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alt = " alt=\"" + kv.substring(p + 1) +"\"";
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}
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// if there is just one, put it into ALT
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else alt = " alt=\"" + kv +"\"";
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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 + 1);
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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.wikiDB.read(kl) != null)
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result = result.substring(0, p0) +
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"<a class=\"known\" href=\"Wiki.html?page=" + kl + "\">" + kv + "</a>" +
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result.substring(p1 + 2);
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else
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result = result.substring(0, p0) +
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"<a class=\"unknown\" href=\"Wiki.html?page=" + kl + "&edit=Edit\">" + kv + "</a>" +
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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; else {
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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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} else {
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kv = kl;
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}
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if (!(kl.startsWith("http://"))) kl = "http://" + kl;
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result = result.substring(0, p0) +
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"<a class=\"extern\" href=\"" + kl + "\">" + kv + "</a>" +
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result.substring(p1 + 1);
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}
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}
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if (result.endsWith("</li>")) return result; else return result + "<br>";
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}
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/*
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what we need:
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== New section ==
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=== Subsection ===
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==== Sub-subsection ====
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link colours: existent=green, non-existent=red
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----
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[[wikipedia FAQ|answers]] (first element is wiki page name, second is link print name)
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[http://www.nupedia.com Nupedia] (external link)
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[http://www.nupedia.com] (un-named external link)
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''Emphasize'', '''strongly''', '''''very strongly''''' (italics, bold, bold-italics)
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* Lists are easy to do:
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** start every line with a star
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*** more stars means deeper levels
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# Numbered lists are also good
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## very organized
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## easy to follow
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; Definition list : list of definitions
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; item : the item's definition
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: A colon indents a line or paragraph.
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A manual newline starts a new paragraph.
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A picture: [[Image:Wiki.png]]
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[[Image:Wiki.png|right|jigsaw globe]] (floating right-side with caption)
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*/
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}
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