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d165af785d
Introducing percentage based font sizing for the font-site BBCode git-svn-id: file:///svn/phpbb/trunk@7157 89ea8834-ac86-4346-8a33-228a782c2dd0
575 lines
15 KiB
PHP
575 lines
15 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* BBCode class
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* @package phpBB3
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*/
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class bbcode
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{
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var $bbcode_uid = '';
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var $bbcode_bitfield = '';
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var $bbcode_cache = array();
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var $bbcode_template = array();
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var $bbcodes = array();
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var $template_bitfield;
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var $template_filename = '';
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/**
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* Constructor
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* Init bbcode cache entries if bitfield is specified
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*/
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function bbcode($bitfield = '')
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{
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if ($bitfield)
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{
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$this->bbcode_bitfield = $bitfield;
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$this->bbcode_cache_init();
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}
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}
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/**
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* Second pass bbcodes
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*/
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function bbcode_second_pass(&$message, $bbcode_uid = '', $bbcode_bitfield = false)
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{
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if ($bbcode_uid)
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{
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$this->bbcode_uid = $bbcode_uid;
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}
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if ($bbcode_bitfield !== false)
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{
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$this->bbcode_bitfield = $bbcode_bitfield;
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// Init those added with a new bbcode_bitfield (already stored codes will not get parsed again)
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$this->bbcode_cache_init();
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}
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if (!$this->bbcode_bitfield)
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{
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// Remove the uid from tags that have not been transformed into HTML
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if ($this->bbcode_uid)
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{
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$message = str_replace(':' . $this->bbcode_uid, '', $message);
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}
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return;
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}
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$str = array('search' => array(), 'replace' => array());
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$preg = array('search' => array(), 'replace' => array());
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$bitfield = new bitfield($this->bbcode_bitfield);
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$bbcodes_set = $bitfield->get_all_set();
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foreach ($bbcodes_set as $bbcode_id)
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{
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if (!empty($this->bbcode_cache[$bbcode_id]))
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{
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foreach ($this->bbcode_cache[$bbcode_id] as $type => $array)
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{
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foreach ($array as $search => $replace)
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{
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${$type}['search'][] = str_replace('$uid', $this->bbcode_uid, $search);
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${$type}['replace'][] = $replace;
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}
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if (sizeof($str['search']))
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{
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$message = str_replace($str['search'], $str['replace'], $message);
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$str = array('search' => array(), 'replace' => array());
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}
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if (sizeof($preg['search']))
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{
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$message = preg_replace($preg['search'], $preg['replace'], $message);
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$preg = array('search' => array(), 'replace' => array());
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}
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}
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}
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}
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// Remove the uid from tags that have not been transformed into HTML
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$message = str_replace(':' . $this->bbcode_uid, '', $message);
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}
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/**
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* Init bbcode cache
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*
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* requires: $this->bbcode_bitfield
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* sets: $this->bbcode_cache with bbcode templates needed for bbcode_bitfield
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*/
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function bbcode_cache_init()
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{
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global $user, $phpbb_root_path;
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if (empty($this->template_filename))
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{
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$this->template_bitfield = new bitfield($user->theme['bbcode_bitfield']);
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$this->template_filename = $phpbb_root_path . 'styles/' . $user->theme['template_path'] . '/template/bbcode.html';
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if (!@file_exists($this->template_filename))
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{
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trigger_error('The file ' . $this->template_filename . ' is missing.', E_USER_ERROR);
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}
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}
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$bbcode_ids = $rowset = $sql = array();
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$bitfield = new bitfield($this->bbcode_bitfield);
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$bbcodes_set = $bitfield->get_all_set();
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foreach ($bbcodes_set as $bbcode_id)
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{
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if (isset($this->bbcode_cache[$bbcode_id]))
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{
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// do not try to re-cache it if it's already in
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continue;
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}
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$bbcode_ids[] = $bbcode_id;
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if ($bbcode_id > NUM_CORE_BBCODES)
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{
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$sql[] = $bbcode_id;
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}
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}
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if (sizeof($sql))
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{
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global $db;
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$sql = 'SELECT *
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FROM ' . BBCODES_TABLE . '
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WHERE ' . $db->sql_in_set('bbcode_id', $sql);
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$result = $db->sql_query($sql, 3600);
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while ($row = $db->sql_fetchrow($result))
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{
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// To circumvent replacing newlines with <br /> for the generated html,
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// we just remove newlines here. We do not do this within the admin panel to
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// let the admin lay out his html code nicely
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$row['bbcode_tpl'] = str_replace(array("\n", "\r"), '', $row['bbcode_tpl']);
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$row['second_pass_replace'] = str_replace(array("\n", "\r"), '', $row['second_pass_replace']);
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$rowset[$row['bbcode_id']] = $row;
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}
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$db->sql_freeresult($result);
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}
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foreach ($bbcode_ids as $bbcode_id)
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{
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switch ($bbcode_id)
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{
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case 0:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[/quote:$uid]' => $this->bbcode_tpl('quote_close', $bbcode_id)
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),
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'preg' => array(
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'#\[quote(?:="(.*?)")?:$uid\]((?!\[quote(?:=".*?")?:$uid\]).)?#ise' => "\$this->bbcode_second_pass_quote('\$1', '\$2')"
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)
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);
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break;
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case 1:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[b:$uid]' => $this->bbcode_tpl('b_open', $bbcode_id),
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'[/b:$uid]' => $this->bbcode_tpl('b_close', $bbcode_id),
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)
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);
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break;
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case 2:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[i:$uid]' => $this->bbcode_tpl('i_open', $bbcode_id),
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'[/i:$uid]' => $this->bbcode_tpl('i_close', $bbcode_id),
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)
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);
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break;
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case 3:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[url:$uid\]((.*?))\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id),
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'#\[url=([^\[]+?):$uid\](.*?)\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id),
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)
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);
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break;
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case 4:
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if ($user->optionget('viewimg'))
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[img:$uid\](.*?)\[/img:$uid\]#s' => $this->bbcode_tpl('img', $bbcode_id),
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)
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);
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[img:$uid\](.*?)\[/img:$uid\]#s' => str_replace('$2', '[ img ]', $this->bbcode_tpl('url', $bbcode_id, true)),
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)
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);
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}
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break;
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case 5:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[size=([\-\+]?\d+):$uid\](.*?)\[/size:$uid\]#s' => $this->bbcode_tpl('size', $bbcode_id),
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)
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);
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break;
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case 6:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'!\[color=(#[0-9a-f]{6}|[a-z\-]+):$uid\](.*?)\[/color:$uid\]!is' => $this->bbcode_tpl('color', $bbcode_id),
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)
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);
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break;
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case 7:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[u:$uid]' => $this->bbcode_tpl('u_open', $bbcode_id),
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'[/u:$uid]' => $this->bbcode_tpl('u_close', $bbcode_id),
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)
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);
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break;
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case 8:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[code(?:=([a-z]+))?:$uid\](.*?)\[/code:$uid\]#ise' => "\$this->bbcode_second_pass_code('\$1', '\$2')",
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)
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);
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break;
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case 9:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#(\[\/?(list|\*):[mou]?:?$uid\])[\n]{1}#' => "\$1",
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'#(\[list=([^\[]+):$uid\])[\n]{1}#' => "\$1",
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'#\[list=([^\[]+):$uid\]#e' => "\$this->bbcode_list('\$1')",
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),
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'str' => array(
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'[list:$uid]' => $this->bbcode_tpl('ulist_open_default', $bbcode_id),
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'[/list:u:$uid]' => $this->bbcode_tpl('ulist_close', $bbcode_id),
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'[/list:o:$uid]' => $this->bbcode_tpl('olist_close', $bbcode_id),
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'[*:$uid]' => $this->bbcode_tpl('listitem', $bbcode_id),
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'[/*:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id),
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'[/*:m:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id)
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),
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);
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break;
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case 10:
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[email:$uid\]((.*?))\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id),
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'#\[email=([^\[]+):$uid\](.*?)\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id)
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)
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);
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break;
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case 11:
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if ($user->optionget('viewflash'))
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[flash=([0-9]+),([0-9]+):$uid\](.*?)\[/flash:$uid\]#' => $this->bbcode_tpl('flash', $bbcode_id),
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)
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);
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array(
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'#\[flash=([0-9]+),([0-9]+):$uid\](.*?)\[/flash:$uid\]#' => str_replace('$1', '$3', str_replace('$2', '[ flash ]', $this->bbcode_tpl('url', $bbcode_id, true)))
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)
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);
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}
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break;
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case 12:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[/attachment:$uid]' => $this->bbcode_tpl('inline_attachment_close', $bbcode_id)
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),
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'preg' => array(
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'#\[attachment=([0-9]+):$uid\]#' => $this->bbcode_tpl('inline_attachment_open', $bbcode_id)
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)
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);
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break;
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default:
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if (isset($rowset[$bbcode_id]))
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{
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if ($this->template_bitfield->get($bbcode_id))
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{
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// The bbcode requires a custom template to be loaded
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if (!$bbcode_tpl = $this->bbcode_tpl($rowset[$bbcode_id]['bbcode_tag'], $bbcode_id))
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{
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// For some reason, the required template seems not to be available, use the default template
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$bbcode_tpl = (!empty($rowset[$bbcode_id]['second_pass_replace'])) ? $rowset[$bbcode_id]['second_pass_replace'] : $rowset[$bbcode_id]['bbcode_tpl'];
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}
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else
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{
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// In order to use templates with custom bbcodes we need
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// to replace all {VARS} to corresponding backreferences
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// Note that backreferences are numbered from bbcode_match
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if (preg_match_all('/\{(URL|EMAIL|TEXT|COLOR|NUMBER)[0-9]*\}/', $rowset[$bbcode_id]['bbcode_match'], $m))
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{
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foreach ($m[0] as $i => $tok)
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{
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$bbcode_tpl = str_replace($tok, '$' . ($i + 1), $bbcode_tpl);
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}
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}
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}
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}
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else
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{
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// Default template
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$bbcode_tpl = (!empty($rowset[$bbcode_id]['second_pass_replace'])) ? $rowset[$bbcode_id]['second_pass_replace'] : $rowset[$bbcode_id]['bbcode_tpl'];
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}
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// Replace {L_*} lang strings
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$bbcode_tpl = preg_replace('/{L_([A-Z_]+)}/e', "(!empty(\$user->lang['\$1'])) ? \$user->lang['\$1'] : ucwords(strtolower(str_replace('_', ' ', '\$1')))", $bbcode_tpl);
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if (!empty($rowset[$bbcode_id]['second_pass_replace']))
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{
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// The custom BBCode requires second-pass pattern replacements
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array($rowset[$bbcode_id]['second_pass_match'] => $bbcode_tpl)
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);
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array($rowset[$bbcode_id]['second_pass_match'] => $bbcode_tpl)
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);
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}
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = false;
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}
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break;
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}
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}
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}
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/**
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* Return bbcode template
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*/
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function bbcode_tpl($tpl_name, $bbcode_id = -1, $skip_bitfield_check = false)
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{
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static $bbcode_hardtpl = array();
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if (empty($bbcode_hardtpl))
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{
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global $user;
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$bbcode_hardtpl = array(
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'b_open' => '<span style="font-weight: bold">',
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'b_close' => '</span>',
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'i_open' => '<span style="font-style: italic">',
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'i_close' => '</span>',
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'u_open' => '<span style="text-decoration: underline">',
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'u_close' => '</span>',
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'img' => '<img src="$1" alt="' . $user->lang['IMAGE'] . '" />',
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'size' => '<span style="font-size: $1%; line-height: normal">$2</span>',
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'color' => '<span style="color: $1">$2</span>',
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'email' => '<a href="mailto:$1">$2</a>'
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);
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}
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if ($bbcode_id != -1 && !$skip_bitfield_check && !$this->template_bitfield->get($bbcode_id))
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{
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return (isset($bbcode_hardtpl[$tpl_name])) ? $bbcode_hardtpl[$tpl_name] : false;
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}
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if (empty($this->bbcode_template))
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{
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if (($tpl = file_get_contents($this->template_filename)) === false)
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{
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trigger_error('Could not load bbcode template', E_USER_ERROR);
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}
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// replace \ with \\ and then ' with \'.
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$tpl = str_replace('\\', '\\\\', $tpl);
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$tpl = str_replace("'", "\'", $tpl);
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// strip newlines and indent
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$tpl = preg_replace("/\n[\n\r\s\t]*/", '', $tpl);
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// Turn template blocks into PHP assignment statements for the values of $bbcode_tpl..
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$this->bbcode_template = array();
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$matches = preg_match_all('#<!-- BEGIN (.*?) -->(.*?)<!-- END (?:.*?) -->#', $tpl, $match);
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for ($i = 0; $i < $matches; $i++)
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{
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if (empty($match[1][$i]))
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{
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continue;
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}
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$this->bbcode_template[$match[1][$i]] = $this->bbcode_tpl_replace($match[1][$i], $match[2][$i]);
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}
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}
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return (isset($this->bbcode_template[$tpl_name])) ? $this->bbcode_template[$tpl_name] : ((isset($bbcode_hardtpl[$tpl_name])) ? $bbcode_hardtpl[$tpl_name] : false);
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}
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/**
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* Return bbcode template replacement
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*/
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function bbcode_tpl_replace($tpl_name, $tpl)
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{
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global $user;
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static $replacements = array(
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'quote_username_open' => array('{USERNAME}' => '$1'),
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'color' => array('{COLOR}' => '$1', '{TEXT}' => '$2'),
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'size' => array('{SIZE}' => '$1', '{TEXT}' => '$2'),
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'img' => array('{URL}' => '$1'),
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'flash' => array('{WIDTH}' => '$1', '{HEIGHT}' => '$2', '{URL}' => '$3'),
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'url' => array('{URL}' => '$1', '{DESCRIPTION}' => '$2'),
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'email' => array('{EMAIL}' => '$1', '{DESCRIPTION}' => '$2')
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);
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|
$tpl = preg_replace('/{L_([A-Z_]+)}/e', "(!empty(\$user->lang['\$1'])) ? \$user->lang['\$1'] : ucwords(strtolower(str_replace('_', ' ', '\$1')))", $tpl);
|
|
|
|
if (!empty($replacements[$tpl_name]))
|
|
{
|
|
$tpl = strtr($tpl, $replacements[$tpl_name]);
|
|
}
|
|
|
|
return trim($tpl);
|
|
}
|
|
|
|
/**
|
|
* Second parse list bbcode
|
|
*/
|
|
function bbcode_list($type)
|
|
{
|
|
if ($type == '')
|
|
{
|
|
$tpl = 'ulist_open_default';
|
|
$type = 'default';
|
|
}
|
|
else if ($type == 'i')
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'lower-roman';
|
|
}
|
|
else if ($type == 'I')
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'upper-roman';
|
|
}
|
|
else if (preg_match('#^(disc|circle|square)$#i', $type))
|
|
{
|
|
$tpl = 'ulist_open';
|
|
$type = strtolower($type);
|
|
}
|
|
else if (preg_match('#^[a-z]$#', $type))
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'lower-alpha';
|
|
}
|
|
else if (preg_match('#[A-Z]#', $type))
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'upper-alpha';
|
|
}
|
|
else if (is_numeric($type))
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'arabic-numbers';
|
|
}
|
|
else
|
|
{
|
|
$tpl = 'olist_open';
|
|
$type = 'arabic-numbers';
|
|
}
|
|
|
|
return str_replace('{LIST_TYPE}', $type, $this->bbcode_tpl($tpl));
|
|
}
|
|
|
|
/**
|
|
* Second parse quote tag
|
|
*/
|
|
function bbcode_second_pass_quote($username, $quote)
|
|
{
|
|
// when using the /e modifier, preg_replace slashes double-quotes but does not
|
|
// seem to slash anything else
|
|
$quote = str_replace('\"', '"', $quote);
|
|
$username = str_replace('\"', '"', $username);
|
|
|
|
// remove newline at the beginning
|
|
if ($quote == "\n")
|
|
{
|
|
$quote = '';
|
|
}
|
|
|
|
$quote = (($username) ? str_replace('$1', $username, $this->bbcode_tpl('quote_username_open')) : $this->bbcode_tpl('quote_open')) . $quote;
|
|
|
|
return $quote;
|
|
}
|
|
|
|
/**
|
|
* Second parse code tag
|
|
*/
|
|
function bbcode_second_pass_code($type, $code)
|
|
{
|
|
// when using the /e modifier, preg_replace slashes double-quotes but does not
|
|
// seem to slash anything else
|
|
$code = str_replace('\"', '"', $code);
|
|
|
|
switch ($type)
|
|
{
|
|
case 'php':
|
|
// Not the english way, but valid because of hardcoded syntax highlighting
|
|
if (strpos($code, '<span class="syntaxdefault"><br /></span>') === 0)
|
|
{
|
|
$code = substr($code, 41);
|
|
}
|
|
|
|
// no break;
|
|
|
|
default:
|
|
$code = str_replace("\t", ' ', $code);
|
|
$code = str_replace(' ', ' ', $code);
|
|
$code = str_replace(' ', ' ', $code);
|
|
|
|
// remove newline at the beginning
|
|
if (!empty($code) && $code[0] == "\n")
|
|
{
|
|
$code = substr($code, 1);
|
|
}
|
|
break;
|
|
}
|
|
|
|
$code = $this->bbcode_tpl('code_open') . $code . $this->bbcode_tpl('code_close');
|
|
|
|
return $code;
|
|
}
|
|
}
|
|
|
|
?>
|