- $bbcode_tpl = trim($bbcode_tpl);

-

- // Allow unicode characters for URL|LOCAL_URL|RELATIVE_URL|INTTEXT tokens

- $utf8 = preg_match('/(URL|LOCAL_URL|RELATIVE_URL|INTTEXT)/', $bbcode_match);

-

- $fp_match = preg_quote($bbcode_match, '!');

- $fp_replace = preg_replace('#^\[(.*?)\]#', '[$1:$uid]', $bbcode_match);

- $fp_replace = preg_replace('#\[/(.*?)\]$#', '[/$1:$uid]', $fp_replace);

-

- $sp_match = preg_quote($bbcode_match, '!');

- $sp_match = preg_replace('#^\\\\\[(.*?)\\\\\]#', '\[$1:$uid\]', $sp_match);

- $sp_match = preg_replace('#\\\\\[/(.*?)\\\\\]$#', '\[/$1:$uid\]', $sp_match);

- $sp_replace = $bbcode_tpl;

-

- // @todo Make sure to change this too if something changed in message parsing

- $tokens = array(

- 'URL' => array(

- '!(?:(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('url')) . ')|(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('www_url')) . '))!ie' => "\$this->bbcode_specialchars(('\$1') ? '\$1' : 'http://\$2')"

- ),

- 'LOCAL_URL' => array(

- '!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e' => "\$this->bbcode_specialchars('$1')"

- ),

- 'RELATIVE_URL' => array(

- '!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e' => "\$this->bbcode_specialchars('$1')"

- ),

- 'EMAIL' => array(

- '!(' . get_preg_expression('email') . ')!ie' => "\$this->bbcode_specialchars('$1')"

- ),

- 'TEXT' => array(

- '!(.*?)!es' => "str_replace(array(\"\\r\\n\", '\\\"', '\\'', '(', ')'), array(\"\\n\", '\"', ''', '(', ')'), trim('\$1'))"

- ),

- 'SIMPLETEXT' => array(

- '!([a-zA-Z0-9-+.,_ ]+)!' => "$1"

- ),

- 'INTTEXT' => array(

- '!([\p{L}\p{N}\-+,_. ]+)!u' => "$1"

- ),

- 'IDENTIFIER' => array(

- '!([a-zA-Z0-9-_]+)!' => "$1"

- ),

- 'COLOR' => array(

- '!([a-z]+|#[0-9abcdef]+)!i' => '$1'

- ),

- 'NUMBER' => array(

- '!([0-9]+)!' => '$1'

- )

- );

-

- $sp_tokens = array(

- 'URL' => '(?i)((?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('url')) . ')|(?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('www_url')) . '))(?-i)',

- 'LOCAL_URL' => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)',

- 'RELATIVE_URL' => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)',

- 'EMAIL' => '(' . get_preg_expression('email') . ')',

- 'TEXT' => '(.*?)',

- 'SIMPLETEXT' => '([a-zA-Z0-9-+.,_ ]+)',

- 'INTTEXT' => '([\p{L}\p{N}\-+,_. ]+)',

- 'IDENTIFIER' => '([a-zA-Z0-9-_]+)',

- 'COLOR' => '([a-zA-Z]+|#[0-9abcdefABCDEF]+)',

- 'NUMBER' => '([0-9]+)',

- );

-

- $pad = 0;

- $modifiers = 'i';

- $modifiers .= ($utf8) ? 'u' : '';

-

- if (preg_match_all('/\{(' . implode('|', array_keys($tokens)) . ')[0-9]*\}/i', $bbcode_match, $m))

- {

- foreach ($m[0] as $n => $token)

- {

- $token_type = $m[1][$n];

-

- reset($tokens[strtoupper($token_type)]);

- list($match, $replace) = each($tokens[strtoupper($token_type)]);

-

- // Pad backreference numbers from tokens

- if (preg_match_all('/(?<!\\\\)\$([0-9]+)/', $replace, $repad))

- {

- $repad = $pad + count(array_unique($repad[0]));

- $replace = preg_replace_callback('/(?<!\\\\)\$([0-9]+)/', function ($match) use ($pad) {

- return '${' . ($match[1] + $pad) . '}';

- }, $replace);

- $pad = $repad;

- }

-

- // Obtain pattern modifiers to use and alter the regex accordingly

- $regex = preg_replace('/!(.*)!([a-z]*)/', '$1', $match);

- $regex_modifiers = preg_replace('/!(.*)!([a-z]*)/', '$2', $match);

-

- for ($i = 0, $size = strlen($regex_modifiers); $i < $size; ++$i)

- {

- if (strpos($modifiers, $regex_modifiers[$i]) === false)

- {

- $modifiers .= $regex_modifiers[$i];

-

- if ($regex_modifiers[$i] == 'e')

- {

- $fp_replace = "'" . str_replace("'", "\\'", $fp_replace) . "'";

- }

- }

-

- if ($regex_modifiers[$i] == 'e')

- {

- $replace = "'.$replace.'";

- }

- }

-

- $fp_match = str_replace(preg_quote($token, '!'), $regex, $fp_match);

- $fp_replace = str_replace($token, $replace, $fp_replace);

-

- $sp_match = str_replace(preg_quote($token, '!'), $sp_tokens[$token_type], $sp_match);

-

- // Prepend the board url to local relative links

- $replace_prepend = ($token_type === 'LOCAL_URL') ? generate_board_url() . '/' : '';

-

- $sp_replace = str_replace($token, $replace_prepend . '${' . ($n + 1) . '}', $sp_replace);

- }

-

- $fp_match = '!' . $fp_match . '!' . $modifiers;

- $sp_match = '!' . $sp_match . '!s' . (($utf8) ? 'u' : '');

-

- if (strpos($fp_match, 'e') !== false)

- {

- $fp_replace = str_replace("'.'", '', $fp_replace);

- $fp_replace = str_replace(".''.", '.', $fp_replace);

- }

- }

- else

- {

- // No replacement is present, no need for a second-pass pattern replacement

- // A simple str_replace will suffice

- $fp_match = '!' . $fp_match . '!' . $modifiers;

- $sp_match = $fp_replace;

- $sp_replace = '';

- }

-

- // Lowercase tags

- $bbcode_search = preg_replace('/.*?\[([a-z0-9_-]+).*/i', '$1', $bbcode_match);

- $fp_match = preg_replace_callback('#\[/?' . $bbcode_search . '#i', function ($match) {

- return strtolower($match[0]);

- }, $fp_match);

- $fp_replace = preg_replace_callback('#\[/?' . $bbcode_search . '#i', function ($match) {

- return strtolower($match[0]);

- }, $fp_replace);

- $sp_match = preg_replace_callback('#\[/?' . $bbcode_search . '#i', function ($match) {

- return strtolower($match[0]);

- }, $sp_match);

- $sp_replace = preg_replace_callback('#\[/?' . $bbcode_search . '#i', function ($match) {

- return strtolower($match[0]);

- }, $sp_replace);

-

- 'first_pass_match' => $fp_match,

- 'first_pass_replace' => $fp_replace,

- 'second_pass_match' => $sp_match,

- 'second_pass_replace' => $sp_replace