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ddelon |
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<?php
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/*
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wakka.php
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Copyright (c) 2002, Hendrik Mans <hendrik@mans.de>
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Copyright 2002, 2003 David DELON
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Copyright 2002, 2003 Charles NEPOTE
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Copyright 2002, 2003 Patrick PAUL
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Copyright 2003 Eric DELORD
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Copyright 2003 Eric FELDSTEIN
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// This may look a bit strange, but all possible formatting tags have to be in a single regular expression for this to work correctly. Yup!
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if (!function_exists("wakka2callback"))
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{
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function wakka2callback($things)
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{
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$thing = $things[1];
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$result='';
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static $oldIndentLevel = 0;
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static $oldIndentLength= 0;
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static $indentClosers = array();
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static $newIndentSpace= array();
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static $br = 1;
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$brf=0;
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global $wiki;
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// convert HTML thingies
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if ($thing == "<")
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return "<";
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else if ($thing == ">")
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return ">";
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// bold
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else if ($thing == "**")
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{
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static $bold = 0;
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return (++$bold % 2 ? "<b>" : "</b>");
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}
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// italic
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else if ($thing == "//")
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{
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static $italic = 0;
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return (++$italic % 2 ? "<i>" : "</i>");
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}
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// underlinue
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else if ($thing == "__")
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{
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static $underline = 0;
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return (++$underline % 2 ? "<u>" : "</u>");
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}
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// monospace
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else if ($thing == "##")
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{
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static $monospace = 0;
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return (++$monospace % 2 ? "<tt>" : "</tt>");
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}
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// Deleted
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else if ($thing == "@@")
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{
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static $deleted = 0;
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return (++$deleted % 2 ? "<span class=\"del\">" : "</span>");
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}
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// Inserted
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else if ($thing == "££")
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{
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static $inserted = 0;
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return (++$inserted % 2 ? "<span class=\"add\">" : "</span>");
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}
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// urls
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else if (preg_match("/^([a-z]+:\/\/\S+?)([^[:alnum:]^\/])?$/", $thing, $matches)) {
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$url = $matches[1];
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if (!isset($matches[2])) $matches[2] = '';
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return "<a href=\"$url\">$url</a>".$matches[2];
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}
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// header level 5
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else if ($thing == "==")
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{
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static $l5 = 0;
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$br = 0;
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return (++$l5 % 2 ? "<h5>" : "</h5>");
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}
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// header level 4
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else if ($thing == "===")
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{
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static $l4 = 0;
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$br = 0;
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return (++$l4 % 2 ? "<h4>" : "</h4>");
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}
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// header level 3
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else if ($thing == "====")
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{
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static $l3 = 0;
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$br = 0;
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return (++$l3 % 2 ? "<h3>" : "</h3>");
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}
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// header level 2
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else if ($thing == "=====")
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{
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static $l2 = 0;
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$br = 0;
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return (++$l2 % 2 ? "<h2>" : "</h2>");
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}
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// header level 1
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else if ($thing == "======")
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{
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static $l1 = 0;
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$br = 0;
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return (++$l1 % 2 ? "<h1>" : "</h1>");
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}
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// forced line breaks
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else if ($thing == "---")
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{
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return "<br />";
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}
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// escaped text
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else if (preg_match("/^\"\"(.*)\"\"$/s", $thing, $matches))
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{
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return $matches[1];
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}
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// code text
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else if (preg_match("/^\%\%(.*)\%\%$/s", $thing, $matches))
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{
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// check if a language has been specified
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$code = $matches[1];
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$language='';
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if (preg_match("/^\((.+?)\)(.*)$/s", $code, $matches))
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{
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list(, $language, $code) = $matches;
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}
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//Select formatter for syntaxe hightlighting
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if (file_exists("formatters/coloration_".$language.".php")){
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$formatter = "coloration_".$language;
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}else{
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$formatter = "code";
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}
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$output = "<div class=\"code\">";
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$output .= $wiki->Format(trim($code), $formatter);
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$output .= "</div>";
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return $output;
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}
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// raw inclusion from another wiki
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// (regexp documentation : see "forced link" below)
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else if (preg_match("/^\[\[\|(\S*)(\s+(.+))?\]\]$/", $thing, $matches))
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{
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list (,$url,,$text) = $matches;
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if (!$text) $text = "404";
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if ($url)
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{
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$url.="/wakka.php?wiki=".$text."/raw";
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return $wiki->Format($wiki->Format($url, "raw"),"wakka");
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}
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else
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{
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return "";
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}
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}
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// forced links
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// \S : any character that is not a whitespace character
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// \s : any whitespace character
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else if (preg_match("/^\[\[(\S*)(\s+(.+))?\]\]$/", $thing, $matches))
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{
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list (, $url, $text) = $matches;
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if ($url)
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{
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if ($url!=($url=(preg_replace("/@@|££|\[\[/","",$url))))$result="</span>";
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if (!$text) $text = $url;
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$text=preg_replace("/@@|££|\[\[/","",$text);
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return $result.$wiki->Link($url, "", $text);
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}
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else
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{
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return "";
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}
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}
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// indented text
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else if ((preg_match("/\n(\t+|([ ]{1})+)(-|([0-9,a-z,A-Z]+)\))?/s", $thing, $matches))
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|| (preg_match("/^(\t+|([ ]{1})+)(-|([0-9,a-z,A-Z]+)\))?/s", $thing, $matches) && $brf=1))
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{
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// new line
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if ($brf) $br=0;
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$result .= ($br ? "<br />\n" : "");
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// we definitely want no line break in this one.
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$br = 0;
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// find out which indent type we want
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if (!isset($matches[3])) $matches[3] = '';
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$newIndentType = $matches[3];
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if (!$newIndentType) { $opener = "<div class=\"indent\">"; $closer = "</div>"; $br = 1; }
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else if ($newIndentType == "-") { $opener = "<ul>\n"; $closer = "</li>\n</ul>"; $li = 1; }
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else { $opener = "<ol type=\"".$matches[4]."\">\n"; $closer = "</li>\n</ol>"; $li = 1; }
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// get new indent level
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if (strpos($matches[1],"\t")) $newIndentLevel = strlen($matches[1]);
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else
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{
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$newIndentLevel=$oldIndentLevel;
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$newIndentLength = strlen($matches[1]);
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if ($newIndentLength>$oldIndentLength)
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{
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$newIndentLevel++;
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$newIndentSpace[$newIndentLength]=$newIndentLevel;
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}
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else if ($newIndentLength<$oldIndentLength)
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$newIndentLevel=$newIndentSpace[$newIndentLength];
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}
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$op=0;
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if ($newIndentLevel > $oldIndentLevel)
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{
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for ($i = 0; $i < $newIndentLevel - $oldIndentLevel; $i++)
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{
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$result .= $opener;
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$op=1;
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array_push($indentClosers, $closer);
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}
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}
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else if ($newIndentLevel < $oldIndentLevel)
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{
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for ($i = 0; $i < $oldIndentLevel - $newIndentLevel; $i++)
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{
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$op=1;
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$result .= array_pop($indentClosers);
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if ($oldIndentLevel && $li) $result .= "</li>";
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}
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}
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if (isset($li) && $op) $result .= "<li>";
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else if (isset($li))
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$result .= "</li>\n<li>";
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$oldIndentLevel = $newIndentLevel;
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$oldIndentLength= $newIndentLength;
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return $result;
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}
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// new lines
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else if ($thing == "\n")
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{
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// if we got here, there was no tab in the next line; this means that we can close all open indents.
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$c = count($indentClosers);
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for ($i = 0; $i < $c; $i++)
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{
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$result .= array_pop($indentClosers);
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$br = 0;
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}
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$oldIndentLevel = 0;
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$oldIndentLength= 0;
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$newIndentSpace=array();
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$result .= ($br ? "<br />\n" : "\n");
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$br = 1;
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return $result;
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}
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// events
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else if (preg_match("/^\{\{(.*?)\}\}$/s", $thing, $matches))
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{
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if ($matches[1])
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return $wiki->Action($matches[1]);
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else
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return "{{}}";
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}
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// interwiki links!
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else if (preg_match("/^[A-Z][A-Z,a-z]+[:]([A-Z,a-z,0-9]*)$/s", $thing))
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{
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return $wiki->Link($thing);
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}
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// wiki links!
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else if (preg_match("/^[A-Z][a-z]+[A-Z,0-9][A-Z,a-z,0-9]*$/s", $thing))
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{
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return $wiki->Link($thing);
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}
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// separators
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else if (preg_match("/-{4,}/", $thing, $matches))
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{
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// TODO: This could probably be improved for situations where someone puts text on the same line as a separator.
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// Which is a stupid thing to do anyway! HAW HAW! Ahem.
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$br = 0;
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return "<hr />";
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}
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// if we reach this point, it must have been an accident.
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return $thing;
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}
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}
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$text = str_replace("\r", "", $text);
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$text = chop($text)."\n";
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$text = preg_replace_callback(
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"/(\%\%.*?\%\%|".
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"\"\".*?\"\"|".
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"\[\[.*?\]\]|".
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"\b[a-z]+:\/\/\S+|".
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"\*\*|\#\#|@@|££|__|<|>|\/\/|".
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"======|=====|====|===|==|".
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"-{4,}|---|".
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"\n(\t+|([ ]{1})+)(-|[0-9,a-z,A-Z]+\))?|".
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"^(\t+|([ ]{1})+)(-|[0-9,a-z,A-Z]+\))?|".
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"\{\{.*?\}\}|".
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"\b[A-Z][A-Z,a-z]+[:]([A-Z,a-z,0-9]*)\b|".
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"\b([A-Z][a-z]+[A-Z,0-9][A-Z,a-z,0-9]*)\b|".
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"\n)/ms", "wakka2callback", $text);
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// we're cutting the last <br />
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$text = preg_replace("/<br \/>$/","", trim($text));
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echo $text ;
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?>
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