mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
01e0669264
and replaced old fist hash computation by new method that tries to find a gap in the current dht to do this, it is necessary that the network bootstraping is done before the own hash is computed this made further redesigns in peer initialization order necessary git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4117 6c8d7289-2bf4-0310-a012-ef5d649a1542
297 lines
10 KiB
Java
297 lines
10 KiB
Java
// wikiParser.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, 2007
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// Created 22.02.2007
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//
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// This file is contributed by Franz Brausze
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//
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// $LastChangedDate: $
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// $LastChangedRevision: $
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// $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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//
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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.wiki;
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import java.io.UnsupportedEncodingException;
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import java.util.ArrayList;
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import java.util.regex.Matcher;
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import de.anomic.data.wiki.tokens.DefinitionListToken;
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import de.anomic.data.wiki.tokens.LinkToken;
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import de.anomic.data.wiki.tokens.ListToken;
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import de.anomic.data.wiki.tokens.SimpleToken;
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import de.anomic.data.wiki.tokens.TableToken;
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import de.anomic.data.wiki.tokens.Token;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.yacy.yacyCore;
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public class knwikiParser implements wikiParser {
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public Token[] tokens;
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private String[] BEs;
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private final plasmaSwitchboard sb;
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public knwikiParser(plasmaSwitchboard sb) {
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this.sb = sb;
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}
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public static void main(String[] args) {
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String text = "===T<pre>itle===\n" +
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"==blubb== was ==ein '''shice'''==...och.bla\n" +
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"* ein \n" +
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"*==test=</pre>=\n" +
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"** doppelt\n" +
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"* ''tess*sst''\n" +
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"*** xyz\n" +
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"=]*** huch\n" +
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"* ehehe***\n" +
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"* blubb\n" +
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"bliblablo\n\n\n" +
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"* blubb\n" +
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"{|border=-1\n" +
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"|-\n" +
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"||bla|| blubb\n" +
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"|-\n" +
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"||align center|och||huch||\n" +
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"|}\n" +
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"\n" +
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"# bla\n" +
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"# blubb\n" +
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"'''''ehehehe''''', ne?!\n" +
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"[http://www/index.html,ne?!] -\n" +
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"[[Image:blubb|BLA]] ---- och\n" +
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" blubb1\n" +
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" blubb2\n" +
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":doppel-blubb[= huch =]\n" +
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";hier:da\n" +
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";dort:und so\n" +
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";;und:doppelt\n\n\n\n" +
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"[[Image:blubb|BLA]]";
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// text = "[=\n=]* bla";
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String t = "[=] ein fucking [= test =]-text[=,ne?!=] joa, [=alles=]wunderbar," +
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"[=denk ich=] mal =]";
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long l = System.currentTimeMillis();
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t = new knwikiParser(null).parse((args.length > 0) ? args[0] : text, "localhost:8080");
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System.out.println("parsing time: " + (System.currentTimeMillis() - l) + " ms");
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System.out.println("--- --- ---");
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System.out.println(t);
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}
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public String transform(String content) {
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return parse(content, null);
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}
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public String transform(String content, plasmaSwitchboard sb) {
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return parse(content, null);
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}
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public String transform(byte[] content) throws UnsupportedEncodingException {
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return parse(new String(content, "UTF-8"), null);
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}
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public String transform(
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byte[] content, String encoding,
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plasmaSwitchboard switchboard) throws UnsupportedEncodingException {
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return parse(new String(content, encoding), null);
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}
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public String transform(byte[] content, String encoding) throws UnsupportedEncodingException {
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return parse(new String(content, encoding), null);
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}
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public String transform(byte[] text, String encoding, String publicAddress) throws UnsupportedEncodingException {
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return parse(new String(text, encoding), publicAddress);
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}
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public String transform(String text, String publicAddress) {
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return parse(text, publicAddress);
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}
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public String parse(String text, String publicAddress) {
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tokens = new Token[] {
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new SimpleToken('=', '=', new String[][] { null, { "h2" }, { "h3" }, { "h4" } }, true),
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new SimpleToken('\'', '\'', new String[][] { null, { "i" }, { "b" }, null, { "b", "i" } }, false),
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new LinkToken((publicAddress == null) ? yacyCore.seedDB.mySeed().getPublicAddress() : publicAddress, "Wiki.html?page=", sb),
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new ListToken('*', "ul"),
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new ListToken('#', "ol"),
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new ListToken(':', "blockquote", null),
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new ListToken(' ', null, "tt", false),
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new DefinitionListToken(),
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new TableToken()
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};
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ArrayList r = new ArrayList();
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for (int i=0, k, j; i<tokens.length; i++)
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if (tokens[i].getBlockElementNames() != null)
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for (j=0; j<tokens[i].getBlockElementNames().length; j++) {
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if (tokens[i].getBlockElementNames()[j] == null) continue;
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if ((k = tokens[i].getBlockElementNames()[j].indexOf(' ')) > 1) {
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r.add(tokens[i].getBlockElementNames()[j].substring(0, k));
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} else {
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r.add(tokens[i].getBlockElementNames()[j]);
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}
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}
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r.add("hr");
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BEs = (String[])r.toArray(new String[r.size()]);
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Text[] tt = Text.split2Texts(text, "[=", "=]");
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for (int i=0; i<tt.length; i+=2)
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tt[i].setText(parseUnescaped(tt[i].getText()));
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text = Text.mergeTexts(tt);
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tt = Text.split2Texts(text, "<pre>", "</pre>");
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for (int i=0; i<tt.length; i+=2)
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tt[i].setText(replaceBRs(tt[i].getText()));
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return Text.mergeTexts(tt);
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}
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public String parseUnescaped(String text) {
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Token st;
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Matcher m;
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StringBuffer sb;
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for (int i=0; i<tokens.length; i++) {
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st = tokens[i];
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for (int j=0; j<st.getRegex().length; j++) {
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m = st.getRegex()[j].matcher(text);
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sb = new StringBuffer();
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while (m.find()) try {
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//System.out.print("found " + st.getClass().getSimpleName() + ": " +
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// m.group().replaceAll("\n", "\\\\n").replaceAll("\t", " ") + ", ");
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if (st.setText(m.group(), j)) {
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// System.out.println("usable");
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} else {
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// System.out.println("not usable");
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continue;
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}
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m.appendReplacement(sb, (st.getMarkup() == null) ? m.group() : st.getMarkup());
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} catch (wikiParserException e) {
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m.appendReplacement(sb, st.getText());
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}
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text = new String(m.appendTail(sb));
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}
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}
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return text.replaceAll("----", "<hr />");
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}
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private String replaceBRs(String text) {
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StringBuffer sb = new StringBuffer(text.length());
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String[] tt = text.split("\n");
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boolean replace;
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for (int i=0, j; i<tt.length; i++) {
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replace = true;
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for (j=0; j<BEs.length; j++)
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if (tt[i].endsWith(BEs[j] + ">")) { replace = false; break; }
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sb.append(tt[i]);
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if (i < tt.length - 1) {
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if (replace) sb.append("<br />");
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sb.append("\n");
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}
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}
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return new String(sb);
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}
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private static class Text {
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public static final String escapeNewLine = "@";
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private String text;
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private final boolean escaped;
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private final boolean nl;
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public Text(String text, boolean escaped, boolean newLineBefore) {
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this.text = text;
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this.escaped = escaped;
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this.nl = newLineBefore;
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}
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public String setTextPlain(String text) { return this.text = text; }
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public String setText(String text) {
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if (this.nl)
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this.text = text.substring(escapeNewLine.length());
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else
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this.text = text;
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return this.text;
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}
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public String getTextPlain() { return this.text; }
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public String getText() {
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if (this.nl)
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return escapeNewLine + this.text;
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else
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return this.text;
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}
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public String toString() { return this.text; }
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public boolean isEscaped() { return this.escaped; }
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public boolean isNewLineBefore() { return this.nl; }
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private static Text[] split2Texts(String text, String escapeBegin, String escapeEnd) {
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if (text == null) return null;
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if (text.length() < 2) return new Text[] { new Text(text, false, true) };
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int startLen = escapeBegin.length();
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int endLen = escapeEnd.length();
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ArrayList r = new ArrayList();
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boolean escaped = text.startsWith(escapeBegin);
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if (escaped) r.add(new Text("", false, true));
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int i, j = 0;
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while ((i = text.indexOf((escaped) ? escapeEnd : escapeBegin, j)) > -1) {
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r.add(resolve2Text(text, escaped, (j > 0) ? j + ((escaped) ? startLen : endLen) : 0, i, escapeEnd));
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j = i;
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escaped = !escaped;
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}
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r.add(resolve2Text(text, escaped, (escaped) ? j : (j > 0) ? j + endLen : 0, -1, escapeEnd));
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return (Text[])r.toArray(new Text[r.size()]);
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}
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private static Text resolve2Text(String text, boolean escaped, int from, int to, String escapeEnd) {
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if (to == -1) to = text.length();
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return new Text(
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text.substring(from, to),
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escaped,
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from < escapeEnd.length() + 2 || (!escaped && text.charAt(from - escapeEnd.length() - 1) == '\n'));
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}
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private static String mergeTexts(Text[] texts) {
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StringBuffer sb = new StringBuffer();
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for (int n=0; n < texts.length; n++)
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sb.append(texts[n].getTextPlain());
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return new String(sb);
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}
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}
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}
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