<?php
/*
index.php
Copyright (c) 2002, Hendrik Mans <hendrik@mans.de>
Copyright 2002, 2003 David DELON
Copyright 2002, 2003 Charles NEPOTE
Copyright 2002, 2003 Patrick PAUL
Copyright 2003 Eric DELORD
Copyright 2003 Eric FELDSTEIN
Copyright 2006 Didier Loiseau
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// 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!
if (!function_exists("index2callback"))
{
function index2callback($things)
{
$thing = $things[1];
$result='';
static $oldIndentLevel = 0;
static $oldIndentLength= 0;
static $indentClosers = array();
static $newIndentSpace= array();
static $br = 1;
$brf=0;
global $p;
// convert HTML thingies
if ($thing == "<")
return "<";
else if ($thing == ">")
return ">";
// bold
else if ($thing == "**")
{
static $bold = 0;
return (++$bold % 2 ? "<b>" : "</b>");
}
// italic
else if ($thing == "//")
{
static $italic = 0;
return (++$italic % 2 ? "<i>" : "</i>");
}
// underlinue
else if ($thing == "__")
{
static $underline = 0;
return (++$underline % 2 ? "<u>" : "</u>");
}
// monospace
else if ($thing == "##")
{
static $monospace = 0;
return (++$monospace % 2 ? "<tt>" : "</tt>");
}
// Deleted
else if ($thing == "@@")
{
static $deleted = 0;
return (++$deleted % 2 ? "<span class=\"del\">" : "</span>");
}
// Inserted
else if ($thing == "££")
{
static $inserted = 0;
return (++$inserted % 2 ? "<span class=\"add\">" : "</span>");
}
// urls
else if (preg_match("/^([a-z]+:\/\/\S+?)([^[:alnum:]^\/])?$/", $thing, $matches)) {
// Retrieve url and transform it into valid HTML (htmlentities)
$url = htmlentities ($matches[1]);
if (!isset($matches[2])) $matches[2] = '';
return "<a href=\"$url\">$url</a>".$matches[2];
}
// header level 5
else if ($thing == "==")
{
static $l5 = 0;
$br = 0;
return (++$l5 % 2 ? "<h5>" : "</h5>\n");
}
// header level 4
else if ($thing == "===")
{
static $l4 = 0;
$br = 0;
return (++$l4 % 2 ? "<h4>" : "</h4>\n");
}
// header level 3
else if ($thing == "====")
{
static $l3 = 0;
$br = 0;
return (++$l3 % 2 ? "<h3>" : "</h3>\n");
}
// header level 2
else if ($thing == "=====")
{
static $l2 = 0;
$br = 0;
return (++$l2 % 2 ? "<h2>" : "</h2>\n");
}
// header level 1
else if ($thing == "======")
{
static $l1 = 0;
$br = 0;
return (++$l1 % 2 ? "<h1>" : "</h1>\n");
}
// forced line breaks
else if ($thing == "---")
{
return "<br />\n";
}
// escaped text
else if (preg_match("/^\"\"(.*)\"\"$/s", $thing, $matches))
{
if ($p->getConfigValue('allow_raw_html'))
{
return $matches[1];
}
$res = htmlentities($matches[1]);
return preg_replace('/&(\\#[xX][a-fA-F0-9]+|\\#[0-9]+|[a-zA-Z0-9]+);/', '&$1;', $res);
}
// code text
else if (preg_match("/^\%\%(.*)\%\%$/s", $thing, $matches))
{
// check if a language has been specified
$code = $matches[1];
$language='';
if (preg_match("/^\((.+?)\)(.*)$/s", $code, $matches))
{
list(, $language, $code) = $matches;
}
//Select formatter for syntaxe hightlighting
if (file_exists("formatters/coloration_".$language.".php")){
$formatter = "coloration_".$language;
}else{
$formatter = "code";
}
$output = "<div class=\"code\">";
$output .= $p->Format(trim($code), $formatter);
$output .= "</div>\n";
return $output;
}
// raw inclusion from another p
// (regexp documentation : see "forced link" below)
else if (preg_match("/^\[\[\|(\S*)(\s+(.+))?\]\]$/", $thing, $matches))
{
if (isset($matches[3]))
{
list (, $url, , $text) = $matches;
}
else
{
$url = $matches[1];
$text = '404';
}
if ($url)
{
$url.="/index.php?p=".$text."/raw";
return $p->Format($p->Format($url, "raw"),"index");
}
else
{
return "";
}
}
// forced links
// \S : any character that is not a whitespace character
// \s : any whitespace character
else if (preg_match("/^\[\[(\S*)(\s+(.+))?\]\]$/", $thing, $matches))
{
if (isset($matches[3]))
{
list (, $url, , $text) = $matches;
}
else
{
$url = $matches[1];
}
if ($url)
{
if ($url!=($url=(preg_replace("/@@|££|\[\[/","",$url))))$result="</span>";
if (empty($text)) $text = $url;
$text=preg_replace("/@@|££|\[\[/","",$text);
return $result.$p->Link($url, "", $text);
}
else
{
return "";
}
}
// indented text
else if ((preg_match("/\n(\t+|([ ]{1})+)(-|([0-9,a-z,A-Z]+)\))?/s", $thing, $matches))
|| (preg_match("/^(\t+|([ ]{1})+)(-|([0-9,a-z,A-Z]+)\))?/s", $thing, $matches) && $brf=1))
{
// new line
if ($brf) $br=0;
$result .= ($br ? "<br />\n" : "");
// we definitely want no line break in this one.
$br = 0;
// find out which indent type we want
if (!isset($matches[3])) $matches[3] = '';
$newIndentType = $matches[3];
if (!$newIndentType) { $opener = "<div class=\"indent\">"; $closer = "</div>"; $br = 1; }
else if ($newIndentType == "-") { $opener = "<ul>\n"; $closer = "</li>\n</ul>"; $li = 1; }
else { $opener = "<ol type=\"".$matches[4]."\">\n"; $closer = "</li>\n</ol>"; $li = 1; }
// get new indent level
if (strpos($matches[1],"\t")) $newIndentLevel = strlen($matches[1]);
else
{
$newIndentLevel=$oldIndentLevel;
$newIndentLength = strlen($matches[1]);
if ($newIndentLength>$oldIndentLength)
{
$newIndentLevel++;
$newIndentSpace[$newIndentLength]=$newIndentLevel;
}
else if ($newIndentLength<$oldIndentLength)
$newIndentLevel=$newIndentSpace[$newIndentLength];
}
$op=0;
if ($newIndentLevel > $oldIndentLevel)
{
for ($i = 0; $i < $newIndentLevel - $oldIndentLevel; $i++)
{
$result .= $opener;
$op=1;
array_push($indentClosers, $closer);
}
}
else if ($newIndentLevel < $oldIndentLevel)
{
for ($i = 0; $i < $oldIndentLevel - $newIndentLevel; $i++)
{
$op=1;
$result .= array_pop($indentClosers);
if ($oldIndentLevel && isset($li)) $result .= "</li>";
}
}
if (isset($li) && $op) $result .= "<li>";
else if (isset($li))
$result .= "</li>\n<li>";
$oldIndentLevel = $newIndentLevel;
$oldIndentLength= $newIndentLength;
return $result;
}
// new lines
else if ($thing == "\n")
{
// if we got here, there was no tab in the next line; this means that we can close all open indents.
$c = count($indentClosers);
for ($i = 0; $i < $c; $i++)
{
$result .= array_pop($indentClosers);
$br = 0;
}
$oldIndentLevel = 0;
$oldIndentLength= 0;
$newIndentSpace=array();
$result .= ($br ? "<br />\n" : "\n");
$br = 1;
return $result;
}
// events
else if (preg_match("/^\{\{(.*?)\}\}$/s", $thing, $matches))
{
if ($matches[1])
return $p->Action($matches[1]);
else
return "{{}}";
}
// interwiki links!
else if (preg_match("/^[A-Z][A-Za-z]+[:]([A-Za-z0-9]*)$/s", $thing))
{
return $p->Link($thing);
}
// p links!
else if (preg_match("/^[A-Z][a-z]+[A-Z0-9][A-Za-z0-9]*$/s", $thing))
{
return $p->Link($thing);
}
// separators
else if (preg_match("/-{4,}/", $thing, $matches))
{
// TODO: This could probably be improved for situations where someone puts text on the same line as a separator.
// Which is a stupid thing to do anyway! HAW HAW! Ahem.
$br = 0;
return "<hr />\n";
}
// if we reach this point, it must have been an accident.
return $thing;
}
}
$text = str_replace("\r", "", $text);
$text = chop($text)."\n";
$text = preg_replace_callback(
"/(\%\%.*?\%\%|".
"\"\".*?\"\"|".
"\[\[.*?\]\]|".
"\b[a-z]+:\/\/\S+|".
"\*\*|\#\#|@@|££|__|<|>|\/\/|".
"======|=====|====|===|==|".
"-{4,}|---|".
"\n(\t+|([ ]{1})+)(-|[0-9,a-z,A-Z]+\))?|".
"^(\t+|([ ]{1})+)(-|[0-9,a-z,A-Z]+\))?|".
"\{\{.*?\}\}|".
"\b[A-Z][A-Za-z]+[:]([A-Za-z0-9]*)\b|".
"\b([A-Z][a-z]+[A-Z0-9][A-Za-z0-9]*)\b|".
"\n)/ms", "index2callback", $text);
// we're cutting the last <br />
$text = preg_replace("/<br \/>$/","", trim($text));
echo $text ;
?>
