Subversion Repositories Applications.papyrus

<?php

/*

wakka.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

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("wakka2callback"))

{

	function wakka2callback($things)

	{

		$thing = $things[1];

        $result='';

		static $oldIndentLevel = 0;

		static $oldIndentLength= 0;

		static $indentClosers = array();

		static $newIndentSpace= array();

		static $br = 1;

		$brf=0;

		global $wiki;

		// 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)) {

			$url = $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>");

                }

		// header level 4

                else if ($thing == "===")

                {

                        static $l4 = 0;

			$br = 0;

                        return (++$l4 % 2 ? "<h4>" : "</h4>");

                }

		// header level 3

                else if ($thing == "====")

                {

                        static $l3 = 0;

			$br = 0;

                        return (++$l3 % 2 ? "<h3>" : "</h3>");

                }

		// header level 2

                else if ($thing == "=====")

                {

                        static $l2 = 0;

			$br = 0;

                        return (++$l2 % 2 ? "<h2>" : "</h2>");

                }

		// header level 1

                else if ($thing == "======")

                {

                        static $l1 = 0;

			$br = 0;

                        return (++$l1 % 2 ? "<h1>" : "</h1>");

                }

		// forced line breaks

		else if ($thing == "---")

		{

			return "<br />";

		}

		// escaped text

		else if (preg_match("/^\"\"(.*)\"\"$/s", $thing, $matches))

		{

			return $matches[1];

		}

		// 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 .= $wiki->Format(trim($code), $formatter);

			$output .= "</div>";

			return $output;

		}

		// raw inclusion from another wiki

		// (regexp documentation : see "forced link" below)

		else if (preg_match("/^\[\[\|(\S*)(\s+(.+))?\]\]$/", $thing, $matches))

		{

			list (,$url,,$text) = $matches;

			if (!$text) $text = "404";

			if ($url)

			{

    				$url.="/wakka.php?wiki=".$text."/raw";

				return $wiki->Format($wiki->Format($url, "raw"),"wakka");

			}

			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))

		{

			list (, $url, $text) = $matches;

			if ($url)

			{

				if ($url!=($url=(preg_replace("/@@|££|\[\[/","",$url))))$result="</span>";

				if (!$text) $text = $url;

				$text=preg_replace("/@@|££|\[\[/","",$text);

				return $result.$wiki->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 && $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 $wiki->Action($matches[1]);

			else

				return "{{}}";

		}

		// interwiki links!

                else if (preg_match("/^[A-Z][A-Z,a-z]+[:]([A-Z,a-z,0-9]*)$/s", $thing))

		{

			return $wiki->Link($thing);

		}

		// wiki links!

		else if (preg_match("/^[A-Z][a-z]+[A-Z,0-9][A-Z,a-z,0-9]*$/s", $thing))

		{

			return $wiki->Link($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 />";

		}

		// 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-Z,a-z]+[:]([A-Z,a-z,0-9]*)\b|".

	"\b([A-Z][a-z]+[A-Z,0-9][A-Z,a-z,0-9]*)\b|".

	"\n)/ms", "wakka2callback", $text);

// we're cutting the last <br />

$text = preg_replace("/<br \/>$/","", trim($text));

echo $text ;

?>