+<?php

+/**

+*

+* @package phpBB3

+* @version $Id$

+* @copyright (c) 2005 phpBB Group

+* @license http://opensource.org/licenses/gpl-license.php GNU Public License

+*

+*/

+

+/**

+* @ignore

+*/

+if (!defined('IN_PHPBB'))

+{

+ exit;

+}

+

+/**

+* BBCode class

+* @package phpBB3

+*/

+class bbcode

+{

+ var $bbcode_uid = '';

+ var $bbcode_bitfield = '';

+ var $bbcode_cache = array();

+ var $bbcode_template = array();

+

+ var $bbcodes = array();

+

+ var $template_bitfield;

+ var $template_filename = '';

+

+ /**

+ * Constructor

+ * Init bbcode cache entries if bitfield is specified

+ */

+ function bbcode($bitfield = '')

+ {

+ if ($bitfield)

+ {

+ $this->bbcode_bitfield = $bitfield;

+ $this->bbcode_cache_init();

+ }

+ }

+

+ /**

+ * Second pass bbcodes

+ */

+ function bbcode_second_pass(&$message, $bbcode_uid = '', $bbcode_bitfield = false)

+ {

+ if ($bbcode_uid)

+ {

+ $this->bbcode_uid = $bbcode_uid;

+ }

+

+ if ($bbcode_bitfield !== false)

+ {

+ $this->bbcode_bitfield = $bbcode_bitfield;

+

+ // Init those added with a new bbcode_bitfield (already stored codes will not get parsed again)

+ $this->bbcode_cache_init();

+ }

+

+ if (!$this->bbcode_bitfield)

+ {

+ // Remove the uid from tags that have not been transformed into HTML

+ if ($this->bbcode_uid)

+ {

+ $message = str_replace(':' . $this->bbcode_uid, '', $message);

+ }

+

+ return;

+ }

+

+ $str = array('search' => array(), 'replace' => array());

+ $preg = array('search' => array(), 'replace' => array());

+

+ $bitfield = new bitfield($this->bbcode_bitfield);

+ $bbcodes_set = $bitfield->get_all_set();

+

+ $undid_bbcode_specialchars = false;

+ foreach ($bbcodes_set as $bbcode_id)

+ {

+ if (!empty($this->bbcode_cache[$bbcode_id]))

+ {

+ foreach ($this->bbcode_cache[$bbcode_id] as $type => $array)

+ {

+ foreach ($array as $search => $replace)

+ {

+ ${$type}['search'][] = str_replace('$uid', $this->bbcode_uid, $search);

+ ${$type}['replace'][] = $replace;

+ }

+

+ if (sizeof($str['search']))

+ {

+ $message = str_replace($str['search'], $str['replace'], $message);

+ $str = array('search' => array(), 'replace' => array());

+ }

+

+ if (sizeof($preg['search']))

+ {

+ // we need to turn the entities back into their original form to allow the

+ // search patterns to work properly

+ if (!$undid_bbcode_specialchars)

+ {

+ $message = str_replace(array('&#58;', '&#46;'), array(':', '.'), $message);

+ $undid_bbcode_specialchars = true;

+ }

+

+ $message = preg_replace($preg['search'], $preg['replace'], $message);

+ $preg = array('search' => array(), 'replace' => array());

+ }

+ }

+ }

+ }

+

+ // Remove the uid from tags that have not been transformed into HTML

+ $message = str_replace(':' . $this->bbcode_uid, '', $message);

+ }

+

+ /**

+ * Init bbcode cache

+ *

+ * requires: $this->bbcode_bitfield

+ * sets: $this->bbcode_cache with bbcode templates needed for bbcode_bitfield

+ */

+ function bbcode_cache_init()

+ {

+ global $phpbb_root_path, $template, $user;

+

+ if (empty($this->template_filename))

+ {

+ $this->template_bitfield = new bitfield($user->theme['bbcode_bitfield']);

+ $this->template_filename = $phpbb_root_path . 'styles/' . $user->theme['template_path'] . '/template/bbcode.html';

+

+ if (!@file_exists($this->template_filename))

+ {

+ if (isset($template->orig_tpl_inherits_id) && $template->orig_tpl_inherits_id)

+ {

+ $this->template_filename = $phpbb_root_path . 'styles/' . $user->theme['template_inherit_path'] . '/template/bbcode.html';

+ if (!@file_exists($this->template_filename))

+ {

+ trigger_error('The file ' . $this->template_filename . ' is missing.', E_USER_ERROR);

+ }

+ }

+ else

+ {

+ trigger_error('The file ' . $this->template_filename . ' is missing.', E_USER_ERROR);

+ }

+ }

+ }

+

+ $bbcode_ids = $rowset = $sql = array();

+

+ $bitfield = new bitfield($this->bbcode_bitfield);

+ $bbcodes_set = $bitfield->get_all_set();

+

+ foreach ($bbcodes_set as $bbcode_id)

+ {

+ if (isset($this->bbcode_cache[$bbcode_id]))

+ {

+ // do not try to re-cache it if it's already in

+ continue;

+ }

+ $bbcode_ids[] = $bbcode_id;

+

+ if ($bbcode_id > NUM_CORE_BBCODES)

+ {

+ $sql[] = $bbcode_id;

+ }

+ }

+

+ if (sizeof($sql))

+ {

+ global $db;

+

+ $sql = 'SELECT *

+ FROM ' . BBCODES_TABLE . '

+ WHERE ' . $db->sql_in_set('bbcode_id', $sql);

+ $result = $db->sql_query($sql, 3600);

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ // To circumvent replacing newlines with <br /> for the generated html,

+ // we use carriage returns here. They are later changed back to newlines

+ $row['bbcode_tpl'] = str_replace("\n", "\r", $row['bbcode_tpl']);

+ $row['second_pass_replace'] = str_replace("\n", "\r", $row['second_pass_replace']);

+

+ $rowset[$row['bbcode_id']] = $row;

+ }

+ $db->sql_freeresult($result);

+ }

+

+ foreach ($bbcode_ids as $bbcode_id)

+ {

+ switch ($bbcode_id)

+ {

+ case 0:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array(

+ '[/quote:$uid]' => $this->bbcode_tpl('quote_close', $bbcode_id)

+ ),

+ 'preg' => array(

+ '#\[quote(?:=&quot;(.*?)&quot;)?:$uid\]((?!\[quote(?:=&quot;.*?&quot;)?:$uid\]).)?#ise' => "\$this->bbcode_second_pass_quote('\$1', '\$2')"

+ )

+ );

+ break;

+

+ case 1:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array(

+ '[b:$uid]' => $this->bbcode_tpl('b_open', $bbcode_id),

+ '[/b:$uid]' => $this->bbcode_tpl('b_close', $bbcode_id),

+ )

+ );

+ break;

+

+ case 2:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array(

+ '[i:$uid]' => $this->bbcode_tpl('i_open', $bbcode_id),

+ '[/i:$uid]' => $this->bbcode_tpl('i_close', $bbcode_id),

+ )

+ );

+ break;

+

+ case 3:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[url:$uid\]((.*?))\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id),

+ '#\[url=([^\[]+?):$uid\](.*?)\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id),

+ )

+ );

+ break;

+

+ case 4:

+ if ($user->optionget('viewimg'))

+ {

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[img:$uid\](.*?)\[/img:$uid\]#s' => $this->bbcode_tpl('img', $bbcode_id),

+ )

+ );

+ }

+ else

+ {

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[img:$uid\](.*?)\[/img:$uid\]#s' => str_replace('$2', '[ img ]', $this->bbcode_tpl('url', $bbcode_id, true)),

+ )

+ );

+ }

+ break;

+

+ case 5:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[size=([\-\+]?\d+):$uid\](.*?)\[/size:$uid\]#s' => $this->bbcode_tpl('size', $bbcode_id),

+ )

+ );

+ break;

+

+ case 6:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '!\[color=(#[0-9a-f]{3}|#[0-9a-f]{6}|[a-z\-]+):$uid\](.*?)\[/color:$uid\]!is' => $this->bbcode_tpl('color', $bbcode_id),

+ )

+ );

+ break;

+

+ case 7:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array(

+ '[u:$uid]' => $this->bbcode_tpl('u_open', $bbcode_id),

+ '[/u:$uid]' => $this->bbcode_tpl('u_close', $bbcode_id),

+ )

+ );

+ break;

+

+ case 8:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[code(?:=([a-z]+))?:$uid\](.*?)\[/code:$uid\]#ise' => "\$this->bbcode_second_pass_code('\$1', '\$2')",

+ )

+ );

+ break;

+

+ case 9:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#(\[\/?(list|\*):[mou]?:?$uid\])[\n]{1}#' => "\$1",

+ '#(\[list=([^\[]+):$uid\])[\n]{1}#' => "\$1",

+ '#\[list=([^\[]+):$uid\]#e' => "\$this->bbcode_list('\$1')",

+ ),

+ 'str' => array(

+ '[list:$uid]' => $this->bbcode_tpl('ulist_open_default', $bbcode_id),

+ '[/list:u:$uid]' => $this->bbcode_tpl('ulist_close', $bbcode_id),

+ '[/list:o:$uid]' => $this->bbcode_tpl('olist_close', $bbcode_id),

+ '[*:$uid]' => $this->bbcode_tpl('listitem', $bbcode_id),

+ '[/*:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id),

+ '[/*:m:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id)

+ ),

+ );

+ break;

+

+ case 10:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[email:$uid\]((.*?))\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id),

+ '#\[email=([^\[]+):$uid\](.*?)\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id)

+ )

+ );

+ break;

+

+ case 11:

+ if ($user->optionget('viewflash'))

+ {

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[flash=([0-9]+),([0-9]+):$uid\](.*?)\[/flash:$uid\]#' => $this->bbcode_tpl('flash', $bbcode_id),

+ )

+ );

+ }

+ else

+ {

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array(

+ '#\[flash=([0-9]+),([0-9]+):$uid\](.*?)\[/flash:$uid\]#' => str_replace('$1', '$3', str_replace('$2', '[ flash ]', $this->bbcode_tpl('url', $bbcode_id, true)))

+ )

+ );

+ }

+ break;

+

+ case 12:

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array(

+ '[/attachment:$uid]' => $this->bbcode_tpl('inline_attachment_close', $bbcode_id)

+ ),

+ 'preg' => array(

+ '#\[attachment=([0-9]+):$uid\]#' => $this->bbcode_tpl('inline_attachment_open', $bbcode_id)

+ )

+ );

+ break;

+

+ default:

+ if (isset($rowset[$bbcode_id]))

+ {

+ if ($this->template_bitfield->get($bbcode_id))

+ {

+ // The bbcode requires a custom template to be loaded

+ if (!$bbcode_tpl = $this->bbcode_tpl($rowset[$bbcode_id]['bbcode_tag'], $bbcode_id))

+ {

+ // For some reason, the required template seems not to be available, use the default template

+ $bbcode_tpl = (!empty($rowset[$bbcode_id]['second_pass_replace'])) ? $rowset[$bbcode_id]['second_pass_replace'] : $rowset[$bbcode_id]['bbcode_tpl'];

+ }

+ else

+ {

+ // In order to use templates with custom bbcodes we need

+ // to replace all {VARS} to corresponding backreferences

+ // Note that backreferences are numbered from bbcode_match

+ if (preg_match_all('/\{(URL|LOCAL_URL|EMAIL|TEXT|SIMPLETEXT|IDENTIFIER|COLOR|NUMBER)[0-9]*\}/', $rowset[$bbcode_id]['bbcode_match'], $m))

+ {

+ foreach ($m[0] as $i => $tok)

+ {

+ $bbcode_tpl = str_replace($tok, '$' . ($i + 1), $bbcode_tpl);

+ }

+ }

+ }

+ }

+ else

+ {

+ // Default template

+ $bbcode_tpl = (!empty($rowset[$bbcode_id]['second_pass_replace'])) ? $rowset[$bbcode_id]['second_pass_replace'] : $rowset[$bbcode_id]['bbcode_tpl'];

+ }

+

+ // Replace {L_*} lang strings

+ $bbcode_tpl = preg_replace('/{L_([A-Z_]+)}/e', "(!empty(\$user->lang['\$1'])) ? \$user->lang['\$1'] : ucwords(strtolower(str_replace('_', ' ', '\$1')))", $bbcode_tpl);

+

+ if (!empty($rowset[$bbcode_id]['second_pass_replace']))

+ {

+ // The custom BBCode requires second-pass pattern replacements

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'preg' => array($rowset[$bbcode_id]['second_pass_match'] => $bbcode_tpl)

+ );

+ }

+ else

+ {

+ $this->bbcode_cache[$bbcode_id] = array(

+ 'str' => array($rowset[$bbcode_id]['second_pass_match'] => $bbcode_tpl)

+ );

+ }

+ }

+ else

+ {

+ $this->bbcode_cache[$bbcode_id] = false;

+ }

+ break;

+ }

+ }

+ }

+

+ /**

+ * Return bbcode template

+ */

+ function bbcode_tpl($tpl_name, $bbcode_id = -1, $skip_bitfield_check = false)

+ {

+ static $bbcode_hardtpl = array();

+ if (empty($bbcode_hardtpl))

+ {

+ global $user;

+

+ $bbcode_hardtpl = array(

+ 'b_open' => '<span style="font-weight: bold">',

+ 'b_close' => '</span>',

+ 'i_open' => '<span style="font-style: italic">',

+ 'i_close' => '</span>',

+ 'u_open' => '<span style="text-decoration: underline">',

+ 'u_close' => '</span>',

+ 'img' => '<img src="$1" alt="' . $user->lang['IMAGE'] . '" />',

+ 'size' => '<span style="font-size: $1%; line-height: normal">$2</span>',

+ 'color' => '<span style="color: $1">$2</span>',

+ 'email' => '<a href="mailto:$1">$2</a>'

+ );

+ }

+

+ if ($bbcode_id != -1 && !$skip_bitfield_check && !$this->template_bitfield->get($bbcode_id))

+ {

+ return (isset($bbcode_hardtpl[$tpl_name])) ? $bbcode_hardtpl[$tpl_name] : false;

+ }

+

+ if (empty($this->bbcode_template))

+ {

+ if (($tpl = file_get_contents($this->template_filename)) === false)

+ {

+ trigger_error('Could not load bbcode template', E_USER_ERROR);

+ }

+

+ // replace \ with \\ and then ' with \'.

+ $tpl = str_replace('\\', '\\\\', $tpl);

+ $tpl = str_replace("'", "\'", $tpl);

+

+ // strip newlines and indent

+ $tpl = preg_replace("/\n[\n\r\s\t]*/", '', $tpl);

+

+ // Turn template blocks into PHP assignment statements for the values of $bbcode_tpl..

+ $this->bbcode_template = array();

+

+ $matches = preg_match_all('#<!-- BEGIN (.*?) -->(.*?)<!-- END (?:.*?) -->#', $tpl, $match);

+

+ for ($i = 0; $i < $matches; $i++)

+ {

+ if (empty($match[1][$i]))

+ {

+ continue;

+ }

+

+ $this->bbcode_template[$match[1][$i]] = $this->bbcode_tpl_replace($match[1][$i], $match[2][$i]);

+ }

+ }

+

+ return (isset($this->bbcode_template[$tpl_name])) ? $this->bbcode_template[$tpl_name] : ((isset($bbcode_hardtpl[$tpl_name])) ? $bbcode_hardtpl[$tpl_name] : false);

+ }

+

+ /**

+ * Return bbcode template replacement

+ */

+ function bbcode_tpl_replace($tpl_name, $tpl)

+ {

+ global $user;

+

+ static $replacements = array(

+ 'quote_username_open' => array('{USERNAME}' => '$1'),

+ 'color' => array('{COLOR}' => '$1', '{TEXT}' => '$2'),

+ 'size' => array('{SIZE}' => '$1', '{TEXT}' => '$2'),

+ 'img' => array('{URL}' => '$1'),

+ 'flash' => array('{WIDTH}' => '$1', '{HEIGHT}' => '$2', '{URL}' => '$3'),

+ 'url' => array('{URL}' => '$1', '{DESCRIPTION}' => '$2'),

+ 'email' => array('{EMAIL}' => '$1', '{DESCRIPTION}' => '$2')

+ );

+

+ $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 = 'decimal';

+ }

+ else

+ {

+ $tpl = 'olist_open';

+ $type = 'decimal';

+ }

+

+ 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", '&nbsp; &nbsp;', $code);

+ $code = str_replace(' ', '&nbsp; ', $code);

+ $code = str_replace(' ', ' &nbsp;', $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;

+ }

+}

+

+?> \ No newline at end of file