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<?php
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/***********************************************************************
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Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org)
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This file is part of PunBB.
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PunBB is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PunBB is distributed in the hope that it will be useful, but
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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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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,
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MA 02111-1307 USA
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************************************************************************/
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// Make sure no one attempts to run this script "directly"
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if (!defined('PUN'))
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exit;
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// Here you can add additional smilies if you like (please note that you must escape singlequote and backslash)
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$smiley_text = array(':)', '=)', ':|', '=|', ':(', '=(', ':D', '=D', ':o', ':O', ';)', ':/', ':P', ':lol:', ':mad:', ':rolleyes:', ':cool:');
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$smiley_img = array('smile.png', 'smile.png', 'neutral.png', 'neutral.png', 'sad.png', 'sad.png', 'big_smile.png', 'big_smile.png', 'yikes.png', 'yikes.png', 'wink.png', 'hmm.png', 'tongue.png', 'lol.png', 'mad.png', 'roll.png', 'cool.png');
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// Uncomment the next row if you add smilies that contain any of the characters &"'<>
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//$smiley_text = array_map('pun_htmlspecialchars', $smiley_text);
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//
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// Make sure all BBCodes are lower case and do a little cleanup
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//
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function preparse_bbcode($text, &$errors, $is_signature = false)
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{
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// Change all simple BBCodes to lower case
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$a = array('[B]', '[I]', '[U]', '[/B]', '[/I]', '[/U]');
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$b = array('[b]', '[i]', '[u]', '[/b]', '[/i]', '[/u]');
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$text = str_replace($a, $b, $text);
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// Do the more complex BBCodes (also strip excessive whitespace and useless quotes)
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$a = array( '#\[url=("|\'|)(.*?)\\1\]\s*#i',
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'#\[url\]\s*#i',
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'#\s*\[/url\]#i',
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'#\[email=("|\'|)(.*?)\\1\]\s*#i',
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'#\[email\]\s*#i',
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'#\s*\[/email\]#i',
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'#\[img\]\s*(.*?)\s*\[/img\]#is',
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'#\[colou?r=("|\'|)(.*?)\\1\](.*?)\[/colou?r\]#is');
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$b = array( '[url=$2]',
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'[url]',
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'[/url]',
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'[email=$2]',
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'[email]',
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'[/email]',
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'[img]$1[/img]',
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'[color=$2]$3[/color]');
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if (!$is_signature)
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{
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// For non-signatures, we have to do the quote and code tags as well
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$a[] = '#\[quote=("|"|\'|)(.*?)\\1\]\s*#i';
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$a[] = '#\[quote\]\s*#i';
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$a[] = '#\s*\[/quote\]\s*#i';
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$a[] = '#\[code\][\r\n]*(.*?)\s*\[/code\]\s*#is';
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$b[] = '[quote=$1$2$1]';
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$b[] = '[quote]';
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$b[] = '[/quote]'."\n";
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$b[] = '[code]$1[/code]'."\n";
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}
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// Run this baby!
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$text = preg_replace($a, $b, $text);
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if (!$is_signature)
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{
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$overflow = check_tag_order($text, $error);
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if ($error)
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// A BBCode error was spotted in check_tag_order()
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$errors[] = $error;
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else if ($overflow)
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// The quote depth level was too high, so we strip out the inner most quote(s)
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$text = substr($text, 0, $overflow[0]).substr($text, $overflow[1], (strlen($text) - $overflow[0]));
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}
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else
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{
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global $lang_prof_reg;
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if (preg_match('#\[quote=("|"|\'|)(.*)\\1\]|\[quote\]|\[/quote\]|\[code\]|\[/code\]#i', $text))
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message($lang_prof_reg['Signature quote/code']);
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}
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return trim($text);
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}
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//
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// Parse text and make sure that [code] and [quote] syntax is correct
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//
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function check_tag_order($text, &$error)
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{
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global $lang_common;
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// The maximum allowed quote depth
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$max_depth = 3;
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$cur_index = 0;
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$q_depth = 0;
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while (true)
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{
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// Look for regular code and quote tags
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$c_start = strpos($text, '[code]');
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$c_end = strpos($text, '[/code]');
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$q_start = strpos($text, '[quote]');
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$q_end = strpos($text, '[/quote]');
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// Look for [quote=username] style quote tags
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if (preg_match('#\[quote=("|"|\'|)(.*)\\1\]#sU', $text, $matches))
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$q2_start = strpos($text, $matches[0]);
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else
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$q2_start = 65536;
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// Deal with strpos() returning false when the string is not found
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// (65536 is one byte longer than the maximum post length)
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if ($c_start === false) $c_start = 65536;
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if ($c_end === false) $c_end = 65536;
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if ($q_start === false) $q_start = 65536;
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if ($q_end === false) $q_end = 65536;
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// If none of the strings were found
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if (min($c_start, $c_end, $q_start, $q_end, $q2_start) == 65536)
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break;
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// We are interested in the first quote (regardless of the type of quote)
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$q3_start = ($q_start < $q2_start) ? $q_start : $q2_start;
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// We found a [quote] or a [quote=username]
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if ($q3_start < min($q_end, $c_start, $c_end))
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{
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$step = ($q_start < $q2_start) ? 7 : strlen($matches[0]);
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$cur_index += $q3_start + $step;
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// Did we reach $max_depth?
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if ($q_depth == $max_depth)
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$overflow_begin = $cur_index - $step;
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++$q_depth;
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$text = substr($text, $q3_start + $step);
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}
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// We found a [/quote]
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else if ($q_end < min($q_start, $c_start, $c_end))
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{
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if ($q_depth == 0)
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{
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 1'];
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return;
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}
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$q_depth--;
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$cur_index += $q_end+8;
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// Did we reach $max_depth?
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if ($q_depth == $max_depth)
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$overflow_end = $cur_index;
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$text = substr($text, $q_end+8);
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}
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// We found a [code]
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else if ($c_start < min($c_end, $q_start, $q_end))
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{
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// Make sure there's a [/code] and that any new [code] doesn't occur before the end tag
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$tmp = strpos($text, '[/code]');
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$tmp2 = strpos(substr($text, $c_start+6), '[code]');
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if ($tmp2 !== false)
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$tmp2 += $c_start+6;
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if ($tmp === false || ($tmp2 !== false && $tmp2 < $tmp))
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{
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 2'];
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return;
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}
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else
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$text = substr($text, $tmp+7);
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$cur_index += $tmp+7;
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}
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// We found a [/code] (this shouldn't happen since we handle both start and end tag in the if clause above)
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else if ($c_end < min($c_start, $q_start, $q_end))
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{
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 3'];
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return;
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}
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}
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// If $q_depth <> 0 something is wrong with the quote syntax
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if ($q_depth)
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{
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 4'];
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return;
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}
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else if ($q_depth < 0)
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{
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$error = $lang_common['BBCode error'].' '.$lang_common['BBCode error 5'];
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return;
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}
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// If the quote depth level was higher than $max_depth we return the index for the
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// beginning and end of the part we should strip out
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if (isset($overflow_begin))
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return array($overflow_begin, $overflow_end);
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else
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return null;
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}
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//
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// Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside)
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//
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function split_text($text, $start, $end)
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{
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global $pun_config;
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$tokens = explode($start, $text);
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$outside[] = $tokens[0];
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$num_tokens = count($tokens);
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for ($i = 1; $i < $num_tokens; ++$i)
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{
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$temp = explode($end, $tokens[$i]);
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$inside[] = $temp[0];
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$outside[] = $temp[1];
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}
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if ($pun_config['o_indent_num_spaces'] != 8 && $start == '[code]')
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{
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$spaces = str_repeat(' ', $pun_config['o_indent_num_spaces']);
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$inside = str_replace("\t", $spaces, $inside);
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}
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return array($inside, $outside);
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}
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//
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// Truncate URL if longer than 55 characters (add http:// or ftp:// if missing)
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//
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function handle_url_tag($url, $link = '')
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{
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global $pun_user;
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$full_url = str_replace(array(' ', '\'', '`', '"'), array('%20', '', '', ''), $url);
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if (strpos($url, 'www.') === 0) // If it starts with www, we add http://
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$full_url = 'http://'.$full_url;
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else if (strpos($url, 'ftp.') === 0) // Else if it starts with ftp, we add ftp://
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$full_url = 'ftp://'.$full_url;
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else if (!preg_match('#^([a-z0-9]{3,6})://#', $url, $bah)) // Else if it doesn't start with abcdef://, we add http://
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$full_url = 'http://'.$full_url;
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// Ok, not very pretty :-)
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$link = ($link == '' || $link == $url) ? ((strlen($url) > 55) ? substr($url, 0 , 39).' … '.substr($url, -10) : $url) : stripslashes($link);
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return '<a href="'.$full_url.'">'.$link.'</a>';
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}
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//
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// Turns an URL from the [img] tag into an <img> tag or a <a href...> tag
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//
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function handle_img_tag($url, $is_signature = false)
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{
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global $lang_common, $pun_config, $pun_user;
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$img_tag = '<a href="'.$url.'"><'.$lang_common['Image link'].'></a>';
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if ($is_signature && $pun_user['show_img_sig'] != '0')
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$img_tag = '<img class="sigimage" src="'.$url.'" alt="'.htmlspecialchars($url).'" />';
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else if (!$is_signature && $pun_user['show_img'] != '0')
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$img_tag = '<img class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" />';
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return $img_tag;
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}
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//
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// Convert BBCodes to their HTML equivalent
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//
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function do_bbcode($text)
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{
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global $lang_common, $pun_user;
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if (strpos($text, 'quote') !== false)
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{
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$text = str_replace('[quote]', '</p><blockquote><div class="incqbox"><p>', $text);
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$text = preg_replace('#\[quote=("|"|\'|)(.*)\\1\]#seU', '"</p><blockquote><div class=\"incqbox\"><h4>".str_replace(array(\'[\', \'\\"\'), array(\'[\', \'"\'), \'$2\')." ".$lang_common[\'wrote\'].":</h4><p>"', $text);
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$text = preg_replace('#\[\/quote\]\s*#', '</p></div></blockquote><p>', $text);
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}
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$pattern = array('#\[b\](.*?)\[/b\]#s',
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'#\[i\](.*?)\[/i\]#s',
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'#\[u\](.*?)\[/u\]#s',
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'#\[url\]([^\[]*?)\[/url\]#e',
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'#\[url=([^\[]*?)\](.*?)\[/url\]#e',
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'#\[email\]([^\[]*?)\[/email\]#',
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'#\[email=([^\[]*?)\](.*?)\[/email\]#',
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'#\[color=([a-zA-Z]*|\#?[0-9a-fA-F]{6})](.*?)\[/color\]#s');
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$replace = array('<strong>$1</strong>',
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'<em>$1</em>',
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'<span class="bbu">$1</span>',
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'handle_url_tag(\'$1\')',
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'handle_url_tag(\'$1\', \'$2\')',
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'<a href="mailto:$1">$1</a>',
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'<a href="mailto:$1">$2</a>',
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'<span style="color: $1">$2</span>');
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// This thing takes a while! :)
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$text = preg_replace($pattern, $replace, $text);
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return $text;
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}
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//
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// Make hyperlinks clickable
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//
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function do_clickable($text)
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{
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global $pun_user;
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$text = ' '.$text;
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$text = preg_replace('#([\s\(\)])(https?|ftp|news){1}://([\w\-]+\.([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^"\s\(\)<\[]*)?)#ie', '\'$1\'.handle_url_tag(\'$2://$3\')', $text);
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$text = preg_replace('#([\s\(\)])(www|ftp)\.(([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^"\s\(\)<\[]*)?)#ie', '\'$1\'.handle_url_tag(\'$2.$3\', \'$2.$3\')', $text);
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return substr($text, 1);
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}
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//
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// Convert a series of smilies to images
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//
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function do_smilies($text)
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{
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global $smiley_text, $smiley_img;
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$text = ' '.$text.' ';
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$num_smilies = count($smiley_text);
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for ($i = 0; $i < $num_smilies; ++$i)
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$text = preg_replace("#(?<=.\W|\W.|^\W)".preg_quote($smiley_text[$i], '#')."(?=.\W|\W.|\W$)#m", '$1<img src="img/smilies/'.$smiley_img[$i].'" width="15" height="15" alt="'.substr($smiley_img[$i], 0, strrpos($smiley_img[$i], '.')).'" />$2', $text);
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return substr($text, 1, -1);
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}
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//
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// Parse message text
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//
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function parse_message($text, $hide_smilies)
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{
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global $pun_config, $lang_common, $pun_user;
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378 |
|
|
379 |
if ($pun_config['o_censoring'] == '1')
|
|
380 |
$text = censor_words($text);
|
|
381 |
|
|
382 |
// Convert applicable characters to HTML entities
|
|
383 |
$text = pun_htmlspecialchars($text);
|
|
384 |
|
|
385 |
// If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched)
|
|
386 |
if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false)
|
|
387 |
{
|
|
388 |
list($inside, $outside) = split_text($text, '[code]', '[/code]');
|
|
389 |
$outside = array_map('ltrim', $outside);
|
|
390 |
$text = implode('<">', $outside);
|
|
391 |
}
|
|
392 |
|
|
393 |
if ($pun_config['o_make_links'] == '1')
|
|
394 |
$text = do_clickable($text);
|
|
395 |
|
|
396 |
if ($pun_config['o_smilies'] == '1' && $pun_user['show_smilies'] == '1' && $hide_smilies == '0')
|
|
397 |
$text = do_smilies($text);
|
|
398 |
|
|
399 |
if ($pun_config['p_message_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
|
|
400 |
{
|
|
401 |
$text = do_bbcode($text);
|
|
402 |
|
|
403 |
if ($pun_config['p_message_img_tag'] == '1')
|
|
404 |
{
|
|
405 |
// $text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\.(jpg|jpeg|png|gif)\[/img\]#e', 'handle_img_tag(\'$1$3.$4\')', $text);
|
|
406 |
$text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e', 'handle_img_tag(\'$1$3\')', $text);
|
|
407 |
}
|
|
408 |
}
|
|
409 |
|
|
410 |
// Deal with newlines, tabs and multiple spaces
|
|
411 |
$pattern = array("\n", "\t", ' ', ' ');
|
|
412 |
$replace = array('<br />', ' ', ' ', ' ');
|
|
413 |
$text = str_replace($pattern, $replace, $text);
|
|
414 |
|
|
415 |
// If we split up the message before we have to concatenate it together again (code tags)
|
|
416 |
if (isset($inside))
|
|
417 |
{
|
|
418 |
$outside = explode('<">', $text);
|
|
419 |
$text = '';
|
|
420 |
|
|
421 |
$num_tokens = count($outside);
|
|
422 |
|
|
423 |
for ($i = 0; $i < $num_tokens; ++$i)
|
|
424 |
{
|
|
425 |
$text .= $outside[$i];
|
|
426 |
if (isset($inside[$i]))
|
|
427 |
{
|
|
428 |
$num_lines = ((substr_count($inside[$i], "\n")) + 3) * 1.5;
|
|
429 |
$height_str = ($num_lines > 35) ? '35em' : $num_lines.'em';
|
|
430 |
$text .= '</p><div class="codebox"><div class="incqbox"><h4>'.$lang_common['Code'].':</h4><div class="scrollbox" style="height: '.$height_str.'"><pre>'.$inside[$i].'</pre></div></div></div><p>';
|
|
431 |
}
|
|
432 |
}
|
|
433 |
}
|
|
434 |
|
|
435 |
// Add paragraph tag around post, but make sure there are no empty paragraphs
|
|
436 |
$text = str_replace('<p></p>', '', '<p>'.$text.'</p>');
|
|
437 |
|
|
438 |
return $text;
|
|
439 |
}
|
|
440 |
|
|
441 |
|
|
442 |
//
|
|
443 |
// Parse signature text
|
|
444 |
//
|
|
445 |
function parse_signature($text)
|
|
446 |
{
|
|
447 |
global $pun_config, $lang_common, $pun_user;
|
|
448 |
|
|
449 |
if ($pun_config['o_censoring'] == '1')
|
|
450 |
$text = censor_words($text);
|
|
451 |
|
|
452 |
$text = pun_htmlspecialchars($text);
|
|
453 |
|
|
454 |
if ($pun_config['o_make_links'] == '1')
|
|
455 |
$text = do_clickable($text);
|
|
456 |
|
|
457 |
if ($pun_config['o_smilies_sig'] == '1' && $pun_user['show_smilies'] != '0')
|
|
458 |
$text = do_smilies($text);
|
|
459 |
|
|
460 |
if ($pun_config['p_sig_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
|
|
461 |
{
|
|
462 |
$text = do_bbcode($text);
|
|
463 |
|
|
464 |
if ($pun_config['p_sig_img_tag'] == '1')
|
|
465 |
{
|
|
466 |
// $text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\.(jpg|jpeg|png|gif)\[/img\]#e', 'handle_img_tag(\'$1$3.$4\', true)', $text);
|
|
467 |
$text = preg_replace('#\[img\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e', 'handle_img_tag(\'$1$3\', true)', $text);
|
|
468 |
}
|
|
469 |
}
|
|
470 |
|
|
471 |
// Deal with newlines, tabs and multiple spaces
|
|
472 |
$pattern = array("\n", "\t", ' ', ' ');
|
|
473 |
$replace = array('<br />', ' ', ' ', ' ');
|
|
474 |
$text = str_replace($pattern, $replace, $text);
|
|
475 |
|
|
476 |
return $text;
|
|
477 |
}
|