/include/parser.php
PHP | 999 lines | 707 code | 181 blank | 111 comment | 241 complexity | f1df8b977b84f17b4df69e865a8855d0 MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /**
- * Loads various functions used to parse posts.
- *
- * @copyright (C) 2008-2012 PunBB, partially based on code (C) 2008-2009 FluxBB.org
- * @license http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
- * @package PunBB
- */
- // Make sure no one attempts to run this script "directly"
- if (!defined('FORUM'))
- exit;
- // Load the IDNA class for international url handling
- if (defined('FORUM_SUPPORT_PCRE_UNICODE') && defined('FORUM_ENABLE_IDNA'))
- {
- require FORUM_ROOT.'include/idna/idna_convert.class.php';
- }
- // Here you can add additional smilies if you like (please note that you must escape singlequote and backslash)
- $smilies = array(':)' => 'smile.png', '=)' => 'smile.png', ':|' => 'neutral.png', '=|' => 'neutral.png', ':(' => 'sad.png', '=(' => 'sad.png', ':D' => 'big_smile.png', '=D' => 'big_smile.png', ':o' => 'yikes.png', ':O' => 'yikes.png', ';)' => 'wink.png', ':/' => 'hmm.png', ':P' => 'tongue.png', ':p' => 'tongue.png', ':lol:' => 'lol.png', ':mad:' => 'mad.png', ':rolleyes:' => 'roll.png', ':cool:' => 'cool.png');
- ($hook = get_hook('ps_start')) ? eval($hook) : null;
- //
- // Make sure all BBCodes are lower case and do a little cleanup
- //
- function preparse_bbcode($text, &$errors, $is_signature = false)
- {
- global $forum_config;
- $return = ($hook = get_hook('ps_preparse_bbcode_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($is_signature)
- {
- global $lang_profile;
- if (preg_match('#\[quote(=("|"|\'|)(.*)\\1)?\]|\[/quote\]|\[code\]|\[/code\]|\[list(=([1a\*]))?\]|\[/list\]#i', $text))
- $errors[] = $lang_profile['Signature quote/code/list'];
- }
- if ($forum_config['p_sig_bbcode'] == '1' && $is_signature || $forum_config['p_message_bbcode'] == '1' && !$is_signature)
- {
- // If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched)
- if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false)
- {
- list($inside, $outside) = split_text($text, '[code]', '[/code]', $errors);
- $text = implode("\x1", $outside);
- }
- // Tidy up lists
- $pattern = array('%\[list(?:=([1a*]))?+\]((?:(?>.*?(?=\[list(?:=[1a*])?+\]|\[/list\]))|(?R))*)\[/list\]%ise');
- $replace = array('preparse_list_tag(\'$2\', \'$1\', $errors)');
- $text = preg_replace($pattern, $replace, $text);
- $text = str_replace('*'."\0".']', '*]', $text);
- if ($forum_config['o_make_links'] == '1')
- {
- $text = do_clickable($text, defined('FORUM_SUPPORT_PCRE_UNICODE'));
- }
- // If we split up the message before we have to concatenate it together again (code tags)
- if (isset($inside))
- {
- $outside = explode("\x1", $text);
- $text = '';
- $num_tokens = count($outside);
- for ($i = 0; $i < $num_tokens; ++$i)
- {
- $text .= $outside[$i];
- if (isset($inside[$i]))
- $text .= '[code]'.$inside[$i].'[/code]';
- }
- }
- $temp_text = false;
- if (empty($errors))
- $temp_text = preparse_tags($text, $errors, $is_signature);
- if ($temp_text !== false)
- $text = $temp_text;
- // Remove empty tags
- while ($new_text = preg_replace('/\[(b|u|i|h|colou?r|quote|code|img|url|email|list)(?:\=[^\]]*)?\]\[\/\1\]/', '', $text))
- {
- if ($new_text != $text)
- $text = $new_text;
- else
- break;
- }
- }
- $return = ($hook = get_hook('ps_preparse_bbcode_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return forum_trim($text);
- }
- //
- // Check the structure of bbcode tags and fix simple mistakes where possible
- //
- function preparse_tags($text, &$errors, $is_signature = false)
- {
- global $lang_common, $forum_config;
- // Start off by making some arrays of bbcode tags and what we need to do with each one
- // List of all the tags
- $tags = array('quote', 'code', 'b', 'i', 'u', 'color', 'colour', 'url', 'email', 'img', 'list', '*', 'h');
- // List of tags that we need to check are open (You could not put b,i,u in here then illegal nesting like [b][i][/b][/i] would be allowed)
- $tags_opened = $tags;
- // and tags we need to check are closed (the same as above, added it just in case)
- $tags_closed = $tags;
- // Tags we can nest and the depth they can be nested to (only quotes )
- $tags_nested = array('quote' => $forum_config['o_quote_depth'], 'list' => 5, '*' => 5);
- // Tags to ignore the contents of completely (just code)
- $tags_ignore = array('code');
- // Block tags, block tags can only go within another block tag, they cannot be in a normal tag
- $tags_block = array('quote', 'code', 'list', 'h', '*');
- // Inline tags, we do not allow new lines in these
- $tags_inline = array('b', 'i', 'u', 'color', 'colour', 'h');
- // Tags we trim interior space
- $tags_trim = array('img');
- // Tags we remove quotes from the argument
- $tags_quotes = array('url', 'email', 'img');
- // Tags we limit bbcode in
- $tags_limit_bbcode = array(
- '*' => array('b', 'i', 'u', 'color', 'colour', 'url', 'email', 'list', 'img'),
- 'list' => array('*'),
- 'url' => array('b', 'i', 'u', 'color', 'colour', 'img'),
- 'email' => array('b', 'i', 'u', 'color', 'colour', 'img'),
- 'img' => array()
- );
- // Tags we can automatically fix bad nesting
- $tags_fix = array('quote', 'b', 'i', 'u', 'color', 'colour', 'url', 'email', 'h');
- $return = ($hook = get_hook('ps_preparse_tags_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- $split_text = preg_split("/(\[[\*a-zA-Z0-9-\/]*?(?:=.*?)?\])/", $text, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
- $open_tags = array('post');
- $open_args = array('');
- $opened_tag = 0;
- $new_text = '';
- $current_ignore = '';
- $current_nest = '';
- $current_depth = array();
- $limit_bbcode = $tags;
- foreach ($split_text as $current)
- {
- if ($current == '')
- continue;
- // Are we dealing with a tag?
- if (substr($current, 0, 1) != '[' || substr($current, -1, 1) != ']')
- {
- // Its not a bbcode tag so we put it on the end and continue
- // If we are nested too deeply don't add to the end
- if ($current_nest)
- continue;
- $current = str_replace("\r\n", "\n", $current);
- $current = str_replace("\r", "\n", $current);
- if (in_array($open_tags[$opened_tag], $tags_inline) && strpos($current, "\n") !== false)
- {
- // Deal with new lines
- $split_current = preg_split("/(\n\n+)/", $current, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
- $current = '';
- if (!forum_trim($split_current[0], "\n")) // the first part is a linebreak so we need to handle any open tags first
- array_unshift($split_current, '');
- for ($i = 1; $i < count($split_current); $i += 2)
- {
- $temp_opened = array();
- $temp_opened_arg = array();
- $temp = $split_current[$i - 1];
- while (!empty($open_tags))
- {
- $temp_tag = array_pop($open_tags);
- $temp_arg = array_pop($open_args);
- if (in_array($temp_tag , $tags_inline))
- {
- array_push($temp_opened, $temp_tag);
- array_push($temp_opened_arg, $temp_arg);
- $temp .= '[/'.$temp_tag.']';
- }
- else
- {
- array_push($open_tags, $temp_tag);
- array_push($open_args, $temp_arg);
- break;
- }
- }
- $current .= $temp.$split_current[$i];
- $temp = '';
- while (!empty($temp_opened))
- {
- $temp_tag = array_pop($temp_opened);
- $temp_arg = array_pop($temp_opened_arg);
- if (empty($temp_arg))
- $temp .= '['.$temp_tag.']';
- else
- $temp .= '['.$temp_tag.'='.$temp_arg.']';
- array_push($open_tags, $temp_tag);
- array_push($open_args, $temp_arg);
- }
- $current .= $temp;
- }
- if (array_key_exists($i - 1, $split_current))
- $current .= $split_current[$i - 1];
- }
- if (in_array($open_tags[$opened_tag], $tags_trim))
- $new_text .= forum_trim($current);
- else
- $new_text .= $current;
- continue;
- }
- // Get the name of the tag
- $current_arg = '';
- if (strpos($current, '/') === 1)
- {
- $current_tag = substr($current, 2, -1);
- }
- else if (strpos($current, '=') === false)
- {
- $current_tag = substr($current, 1, -1);
- }
- else
- {
- $current_tag = substr($current, 1, strpos($current, '=')-1);
- $current_arg = substr($current, strpos($current, '=')+1, -1);
- }
- $current_tag = strtolower($current_tag);
- // Is the tag defined?
- if (!in_array($current_tag, $tags))
- {
- // Its not a bbcode tag so we put it on the end and continue
- if (!$current_nest)
- $new_text .= $current;
- continue;
- }
- // We definitely have a bbcode tag.
- // Make the tag string lower case
- if ($equalpos = strpos($current,'='))
- {
- // We have an argument for the tag which we don't want to make lowercase
- if (strlen(substr($current, $equalpos)) == 2)
- {
- // Empty tag argument
- $errors[] = sprintf($lang_common['BBCode error 6'], $current_tag);
- return false;
- }
- $current = strtolower(substr($current, 0, $equalpos)).substr($current, $equalpos);
- }
- else
- $current = strtolower($current);
- //This is if we are currently in a tag which escapes other bbcode such as code
- if ($current_ignore)
- {
- if ('[/'.$current_ignore.']' == $current)
- {
- // We've finished the ignored section
- $current = '[/'.$current_tag.']';
- $current_ignore = '';
- }
- $new_text .= $current;
- continue;
- }
- if ($current_nest)
- {
- // We are currently too deeply nested so lets see if we are closing the tag or not.
- if ($current_tag != $current_nest)
- continue;
- if (substr($current, 1, 1) == '/')
- $current_depth[$current_nest]--;
- else
- $current_depth[$current_nest]++;
- if ($current_depth[$current_nest] <= $tags_nested[$current_nest])
- $current_nest = '';
- continue;
- }
- // Check the current tag is allowed here
- if (!in_array($current_tag, $limit_bbcode) && $current_tag != $open_tags[$opened_tag])
- {
- $errors[] = sprintf($lang_common['BBCode error 3'], $current_tag, $open_tags[$opened_tag]);
- return false;
- }
- if (substr($current, 1, 1) == '/')
- {
- //This is if we are closing a tag
- if ($opened_tag == 0 || !in_array($current_tag, $open_tags))
- {
- //We tried to close a tag which is not open
- if (in_array($current_tag, $tags_opened))
- {
- $errors[] = sprintf($lang_common['BBCode error 1'], $current_tag);
- return false;
- }
- }
- else
- {
- // Check nesting
- while (true)
- {
- // Nesting is ok
- if ($open_tags[$opened_tag] == $current_tag)
- {
- array_pop($open_tags);
- array_pop($open_args);
- $opened_tag--;
- break;
- }
- // Nesting isn't ok, try to fix it
- if (in_array($open_tags[$opened_tag], $tags_closed) && in_array($current_tag, $tags_closed))
- {
- if (in_array($current_tag, $open_tags))
- {
- $temp_opened = array();
- $temp_opened_arg = array();
- $temp = '';
- while (!empty($open_tags))
- {
- $temp_tag = array_pop($open_tags);
- $temp_arg = array_pop($open_args);
- if (!in_array($temp_tag, $tags_fix))
- {
- // We couldn't fix nesting
- $errors[] = sprintf($lang_common['BBCode error 5'], array_pop($temp_opened));
- return false;
- }
- array_push($temp_opened, $temp_tag);
- array_push($temp_opened_arg, $temp_arg);
- if ($temp_tag == $current_tag)
- break;
- else
- $temp .= '[/'.$temp_tag.']';
- }
- $current = $temp.$current;
- $temp = '';
- array_pop($temp_opened);
- array_pop($temp_opened_arg);
- while (!empty($temp_opened))
- {
- $temp_tag = array_pop($temp_opened);
- $temp_arg = array_pop($temp_opened_arg);
- if (empty($temp_arg))
- $temp .= '['.$temp_tag.']';
- else
- $temp .= '['.$temp_tag.'='.$temp_arg.']';
- array_push($open_tags, $temp_tag);
- array_push($open_args, $temp_arg);
- }
- $current .= $temp;
- $opened_tag--;
- break;
- }
- else
- {
- // We couldn't fix nesting
- $errors[] = sprintf($lang_common['BBCode error 1'], $current_tag);
- return false;
- }
- }
- else if (in_array($open_tags[$opened_tag], $tags_closed))
- break;
- else
- {
- array_pop($open_tags);
- array_pop($open_args);
- $opened_tag--;
- }
- }
- }
- if (in_array($current_tag, array_keys($tags_nested)))
- {
- if (isset($current_depth[$current_tag]))
- $current_depth[$current_tag]--;
- }
- if (in_array($open_tags[$opened_tag], array_keys($tags_limit_bbcode)))
- $limit_bbcode = $tags_limit_bbcode[$open_tags[$opened_tag]];
- else
- $limit_bbcode = $tags;
- $new_text .= $current;
- continue;
- }
- else
- {
- // We are opening a tag
- if (in_array($current_tag, array_keys($tags_limit_bbcode)))
- $limit_bbcode = $tags_limit_bbcode[$current_tag];
- else
- $limit_bbcode = $tags;
- if (in_array($current_tag, $tags_block) && !in_array($open_tags[$opened_tag], $tags_block) && $opened_tag != 0)
- {
- // We tried to open a block tag within a non-block tag
- $errors[] = sprintf($lang_common['BBCode error 3'], $current_tag, $open_tags[$opened_tag]);
- return false;
- }
- if (in_array($current_tag, $tags_ignore))
- {
- // Its an ignore tag so we don't need to worry about whats inside it,
- $current_ignore = $current_tag;
- $new_text .= $current;
- continue;
- }
- // Deal with nested tags
- if (in_array($current_tag, $open_tags) && !in_array($current_tag, array_keys($tags_nested)))
- {
- // We nested a tag we shouldn't
- $errors[] = sprintf($lang_common['BBCode error 4'], $current_tag);
- return false;
- }
- else if (in_array($current_tag, array_keys($tags_nested)))
- {
- // We are allowed to nest this tag
- if (isset($current_depth[$current_tag]))
- $current_depth[$current_tag]++;
- else
- $current_depth[$current_tag] = 1;
- // See if we are nested too deep
- if ($current_depth[$current_tag] > $tags_nested[$current_tag])
- {
- $current_nest = $current_tag;
- continue;
- }
- }
- // Remove quotes from arguments for certain tags
- if (strpos($current, '=') !== false && in_array($current_tag, $tags_quotes))
- {
- $current = preg_replace('#\['.$current_tag.'=("|\'|)(.*?)\\1\]\s*#i', '['.$current_tag.'=$2]', $current);
- }
- if (in_array($current_tag, array_keys($tags_limit_bbcode)))
- $limit_bbcode = $tags_limit_bbcode[$current_tag];
- $open_tags[] = $current_tag;
- $open_args[] = $current_arg;
- $opened_tag++;
- $new_text .= $current;
- continue;
- }
- }
- // Check we closed all the tags we needed to
- foreach ($tags_closed as $check)
- {
- if (in_array($check, $open_tags))
- {
- // We left an important tag open
- $errors[] = sprintf($lang_common['BBCode error 5'], $check);
- return false;
- }
- }
- if ($current_ignore)
- {
- // We left an ignore tag open
- $errors[] = sprintf($lang_common['BBCode error 5'], $current_ignore);
- return false;
- }
- $return = ($hook = get_hook('ps_preparse_tags_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return $new_text;
- }
- //
- // Preparse the contents of [list] bbcode
- //
- function preparse_list_tag($content, $type = '*', &$errors)
- {
- global $lang_common;
- if (strlen($type) != 1)
- $type = '*';
- if (strpos($content,'[list') !== false)
- {
- $pattern = array('%\[list(?:=([1a*]))?+\]((?:(?>.*?(?=\[list(?:=[1a*])?+\]|\[/list\]))|(?R))*)\[/list\]%ise');
- $replace = array('preparse_list_tag(\'$2\', \'$1\', $errors)');
- $content = preg_replace($pattern, $replace, $content);
- }
- $items = explode('[*]', str_replace('\"', '"', $content));
- $content = '';
- foreach ($items as $item)
- {
- if (forum_trim($item) != '')
- $content .= '[*'."\0".']'.str_replace('[/*]', '', forum_trim($item)).'[/*'."\0".']'."\n";
- }
- return '[list='.$type.']'."\n".$content.'[/list]';
- }
- //
- // Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside)
- //
- function split_text($text, $start, $end, &$errors, $retab = true)
- {
- global $forum_config, $lang_common;
- $tokens = explode($start, $text);
- $outside[] = $tokens[0];
- $num_tokens = count($tokens);
- for ($i = 1; $i < $num_tokens; ++$i)
- {
- $temp = explode($end, $tokens[$i]);
- if (count($temp) != 2)
- {
- $errors[] = $lang_common['BBCode code problem'];
- return array(null, array($text));
- }
- $inside[] = $temp[0];
- $outside[] = $temp[1];
- }
- if ($forum_config['o_indent_num_spaces'] != 8 && $retab)
- {
- $spaces = str_repeat(' ', $forum_config['o_indent_num_spaces']);
- $inside = str_replace("\t", $spaces, $inside);
- }
- return array($inside, $outside);
- }
- //
- // Truncate URL if longer than 55 characters (add http:// or ftp:// if missing)
- //
- function handle_url_tag($url, $link = '', $bbcode = false)
- {
- $return = ($hook = get_hook('ps_handle_url_tag_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- $full_url = str_replace(array(' ', '\'', '`', '"'), array('%20', '', '', ''), $url);
- if (strpos($url, 'www.') === 0) // If it starts with www, we add http://
- $full_url = 'http://'.$full_url;
- else if (strpos($url, 'ftp.') === 0) // Else if it starts with ftp, we add ftp://
- $full_url = 'ftp://'.$full_url;
- else if (!preg_match('#^([a-z0-9]{3,6})://#', $url)) // Else if it doesn't start with abcdef://, we add http://
- $full_url = 'http://'.$full_url;
- if (defined('FORUM_SUPPORT_PCRE_UNICODE') && defined('FORUM_ENABLE_IDNA'))
- {
- static $idn;
- static $cached_encoded_urls = null;
- if (is_null($cached_encoded_urls))
- $cached_encoded_urls = array();
- // Check in cache
- $cache_key = md5($full_url);
- if (isset($cached_encoded_urls[$cache_key]))
- $full_url = $cached_encoded_urls[$cache_key];
- else
- {
- if (!isset($idn))
- {
- $idn = new idna_convert();
- $idn->set_parameter('encoding', 'utf8');
- $idn->set_parameter('strict', false);
- }
- $full_url = $idn->encode($full_url);
- $cached_encoded_urls[$cache_key] = $full_url;
- }
- }
- // Ok, not very pretty :-)
- if (!$bbcode)
- {
- if (defined('FORUM_SUPPORT_PCRE_UNICODE') && defined('FORUM_ENABLE_IDNA'))
- {
- $link_name = ($link == '' || $link == $url) ? $url : $link;
- if (preg_match('!^(https?|ftp|news){1}'.preg_quote('://xn--', '!').'!', $link_name))
- {
- $link = $idn->decode($link_name);
- }
- }
- $link = ($link == '' || $link == $url) ? ((utf8_strlen($url) > 55) ? utf8_substr($url, 0 , 39).' … '.utf8_substr($url, -10) : $url) : stripslashes($link);
- }
- $return = ($hook = get_hook('ps_handle_url_tag_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($bbcode)
- {
- if (defined('FORUM_SUPPORT_PCRE_UNICODE') && defined('FORUM_ENABLE_IDNA'))
- {
- if (preg_match('!^(https?|ftp|news){1}'.preg_quote('://xn--', '!').'!', $link))
- {
- $link = $idn->decode($link);
- }
- }
- if ($full_url == $link)
- return '[url]'.$link.'[/url]';
- else
- return '[url='.$full_url.']'.$link.'[/url]';
- }
- else
- return '<a href="'.$full_url.'">'.$link.'</a>';
- }
- //
- // Callback for handle_url_tag
- //
- function callback_handle_url_nobb($reg)
- {
- return handle_url_tag($reg[1], (isset($reg[2]) ? $reg[2] : ''), false);
- }
- //
- // Callback for handle_url_tag
- //
- function callback_handle_url_bb($reg)
- {
- return handle_url_tag($reg[1], (isset($reg[2]) ? $reg[2] : ''), true);
- }
- //
- // Turns an URL from the [img] tag into an <img> tag or a <a href...> tag
- //
- function handle_img_tag($url, $is_signature = false, $alt = null)
- {
- global $lang_common, $forum_user;
- $return = ($hook = get_hook('ps_handle_img_tag_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($alt == null)
- $alt = $url;
- $img_tag = '<a href="'.$url.'"><'.$lang_common['Image link'].'></a>';
- if ($is_signature && $forum_user['show_img_sig'] != '0')
- $img_tag = '<img class="sigimage" src="'.$url.'" alt="'.forum_htmlencode($alt).'" />';
- else if (!$is_signature && $forum_user['show_img'] != '0')
- $img_tag = '<span class="postimg"><img src="'.$url.'" alt="'.forum_htmlencode($alt).'" /></span>';
- $return = ($hook = get_hook('ps_handle_img_tag_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return $img_tag;
- }
- //
- // Parse the contents of [list] bbcode
- //
- function handle_list_tag($content, $type = '*')
- {
- if (strlen($type) != 1)
- $type = '*';
- if (strpos($content,'[list') !== false)
- {
- $pattern = array('%\[list(?:=([1a*]))?+\]((?:(?>.*?(?=\[list(?:=[1a*])?+\]|\[/list\]))|(?R))*)\[/list\]%ise');
- $replace = array('handle_list_tag(\'$2\', \'$1\')');
- $content = preg_replace($pattern, $replace, $content);
- }
- $content = preg_replace('#\s*\[\*\](.*?)\[/\*\]\s*#s', '<li><p>$1</p></li>', forum_trim($content));
- if ($type == '*')
- $content = '<ul>'.$content.'</ul>';
- else
- if ($type == 'a')
- $content = '<ol class="alpha">'.$content.'</ol>';
- else
- $content = '<ol class="decimal">'.$content.'</ol>';
- return '</p>'.$content.'<p>';
- }
- //
- // Convert BBCodes to their HTML equivalent
- //
- function do_bbcode($text, $is_signature = false)
- {
- global $lang_common, $forum_user, $forum_config;
- $return = ($hook = get_hook('ps_do_bbcode_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if (strpos($text, '[quote') !== false)
- {
- $text = preg_replace('#\[quote=(&\#039;|"|"|\'|)(.*?)\\1\]#e', '"</p><div class=\"quotebox\"><cite>".str_replace(array(\'[\', \'\\"\'), array(\'[\', \'"\'), \'$2\')." ".$lang_common[\'wrote\'].":</cite><blockquote><p>"', $text);
- $text = preg_replace('#\[quote\]\s*#', '</p><div class="quotebox"><blockquote><p>', $text);
- $text = preg_replace('#\s*\[\/quote\]#S', '</p></blockquote></div><p>', $text);
- }
- if (!$is_signature)
- {
- $pattern[] = '%\[list(?:=([1a*]))?+\]((?:(?>.*?(?=\[list(?:=[1a*])?+\]|\[/list\]))|(?R))*)\[/list\]%ise';
- $replace[] = 'handle_list_tag(\'$2\', \'$1\')';
- }
- $pattern[] = '#\[b\](.*?)\[/b\]#ms';
- $pattern[] = '#\[i\](.*?)\[/i\]#ms';
- $pattern[] = '#\[u\](.*?)\[/u\]#ms';
- $pattern[] = '#\[colou?r=([a-zA-Z]{3,20}|\#[0-9a-fA-F]{6}|\#[0-9a-fA-F]{3})](.*?)\[/colou?r\]#ms';
- $pattern[] = '#\[h\](.*?)\[/h\]#ms';
- $replace[] = '<strong>$1</strong>';
- $replace[] = '<em>$1</em>';
- $replace[] = '<span class="bbu">$1</span>';
- $replace[] = '<span style="color: $1">$2</span>';
- $replace[] = '</p><h5>$1</h5><p>';
- if (($is_signature && $forum_config['p_sig_img_tag'] == '1') || (!$is_signature && $forum_config['p_message_img_tag'] == '1'))
- {
- $pattern[] = '#\[img\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e';
- $pattern[] = '#\[img=([^\[]*?)\]((ht|f)tps?://)([^\s<"]*?)\[/img\]#e';
- if ($is_signature)
- {
- $replace[] = 'handle_img_tag(\'$1$3\', true)';
- $replace[] = 'handle_img_tag(\'$2$4\', true, \'$1\')';
- }
- else
- {
- $replace[] = 'handle_img_tag(\'$1$3\', false)';
- $replace[] = 'handle_img_tag(\'$2$4\', false, \'$1\')';
- }
- }
- $text = preg_replace_callback('#\[url\]([^\[]*?)\[/url\]#', 'callback_handle_url_nobb', $text);
- $text = preg_replace_callback('#\[url=([^\[]+?)\](.*?)\[/url\]#', 'callback_handle_url_nobb', $text);
- $pattern[] = '#\[email\]([^\[]*?)\[/email\]#';
- $pattern[] = '#\[email=([^\[]+?)\](.*?)\[/email\]#';
- $replace[] = '<a href="mailto:$1">$1</a>';
- $replace[] = '<a href="mailto:$1">$2</a>';
- $return = ($hook = get_hook('ps_do_bbcode_replace')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // This thing takes a while! :)
- $text = preg_replace($pattern, $replace, $text);
- $return = ($hook = get_hook('ps_do_bbcode_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return $text;
- }
- //
- // Make hyperlinks clickable
- //
- function do_clickable($text, $unicode = FALSE)
- {
- $text = ' '.$text;
- if ($unicode)
- {
- $text = preg_replace('#(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(https?|ftp|news){1}://([\p{Nd}\p{L}\-]+\.([\p{Nd}\p{L}\-]+\.)*[\p{Nd}\p{L}\-]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-]?)?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])#ieu', 'stripslashes(\'$1$2$3$4\').handle_url_tag(\'$5://$6\', \'$5://$6\', true).stripslashes(\'$4$10$11$12\')', $text);
- $text = preg_replace('#(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(www|ftp)\.(([\p{Nd}\p{L}\-]+\.)*[\p{Nd}\p{L}\-]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-])?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])#ieu', 'stripslashes(\'$1$2$3$4\').handle_url_tag(\'$5.$6\', \'$5.$6\', true).stripslashes(\'$4$10$11$12\')', $text);
- }
- else
- {
- $text = preg_replace('#(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(https?|ftp|news){1}://([\w\-]+\.([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-]?)?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])#ie', 'stripslashes(\'$1$2$3$4\').handle_url_tag(\'$5://$6\', \'$5://$6\', true).stripslashes(\'$4$10$11$12\')', $text);
- $text = preg_replace('#(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(www|ftp)\.(([\w\-]+\.)*[\w]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-])?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])#ie', 'stripslashes(\'$1$2$3$4\').handle_url_tag(\'$5.$6\', \'$5.$6\', true).stripslashes(\'$4$10$11$12\')', $text);
- }
- return substr($text, 1);
- }
- //
- // Convert a series of smilies to images
- //
- function do_smilies($text)
- {
- global $forum_config, $base_url, $smilies;
- $return = ($hook = get_hook('ps_do_smilies_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- $text = ' '.$text.' ';
- foreach ($smilies as $smiley_text => $smiley_img)
- {
- if (strpos($text, $smiley_text) !== false)
- $text = preg_replace("#(?<=[>\s])".preg_quote($smiley_text, '#')."(?=\W)#m", '<img src="'.$base_url.'/img/smilies/'.$smiley_img.'" width="15" height="15" alt="'.substr($smiley_img, 0, strrpos($smiley_img, '.')).'" />', $text);
- }
- $return = ($hook = get_hook('ps_do_smilies_end')) ? eval($hook) : null;
- return substr($text, 1, -1);
- }
- //
- // Parse message text
- //
- function parse_message($text, $hide_smilies)
- {
- global $forum_config, $lang_common, $forum_user;
- $return = ($hook = get_hook('ps_parse_message_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($forum_config['o_censoring'] == '1')
- $text = censor_words($text);
- $return = ($hook = get_hook('ps_parse_message_post_censor')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // Convert applicable characters to HTML entities
- $text = forum_htmlencode($text);
- $return = ($hook = get_hook('ps_parse_message_pre_split')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched)
- if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false)
- {
- list($inside, $outside) = split_text($text, '[code]', '[/code]', $errors);
- $text = implode("\x1", $outside);
- }
- $return = ($hook = get_hook('ps_parse_message_post_split')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($forum_config['p_message_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
- $text = do_bbcode($text);
- if ($forum_config['o_smilies'] == '1' && $forum_user['show_smilies'] == '1' && $hide_smilies == '0')
- $text = do_smilies($text);
- $return = ($hook = get_hook('ps_parse_message_bbcode')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // Deal with newlines, tabs and multiple spaces
- $pattern = array("\n", "\t", ' ', ' ');
- $replace = array('<br />', ' ', ' ', ' ');
- $text = str_replace($pattern, $replace, $text);
- $return = ($hook = get_hook('ps_parse_message_pre_merge')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // If we split up the message before we have to concatenate it together again (code tags)
- if (isset($inside))
- {
- $outside = explode("\x1", $text);
- $text = '';
- $num_tokens = count($outside);
- for ($i = 0; $i < $num_tokens; ++$i)
- {
- $text .= $outside[$i];
- if (isset($inside[$i]))
- $text .= '</p><div class="codebox"><pre><code>'.forum_trim($inside[$i], "\n\r").'</code></pre></div><p>';
- }
- }
- $return = ($hook = get_hook('ps_parse_message_post_merge')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // Add paragraph tag around post, but make sure there are no empty paragraphs
- $text = preg_replace('#<br />\s*?<br />((\s*<br />)*)#i', "</p>$1<p>", $text);
- $text = str_replace('<p><br />', '<p>', $text);
- $text = str_replace('<p></p>', '', '<p>'.$text.'</p>');
- $return = ($hook = get_hook('ps_parse_message_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return $text;
- }
- //
- // Parse signature text
- //
- function parse_signature($text)
- {
- global $forum_config, $lang_common, $forum_user;
- $return = ($hook = get_hook('ps_parse_signature_start')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($forum_config['o_censoring'] == '1')
- $text = censor_words($text);
- $return = ($hook = get_hook('ps_parse_signature_post_censor')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // Convert applicable characters to HTML entities
- $text = forum_htmlencode($text);
- $return = ($hook = get_hook('ps_parse_signature_pre_bbcode')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- if ($forum_config['p_sig_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
- $text = do_bbcode($text, true);
- if ($forum_config['o_smilies_sig'] == '1' && $forum_user['show_smilies'] == '1')
- $text = do_smilies($text);
- $return = ($hook = get_hook('ps_parse_signature_post_bbcode')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- // Deal with newlines, tabs and multiple spaces
- $pattern = array("\n", "\t", ' ', ' ');
- $replace = array('<br />', ' ', ' ', ' ');
- $text = str_replace($pattern, $replace, $text);
- $return = ($hook = get_hook('ps_parse_signature_end')) ? eval($hook) : null;
- if ($return != null)
- return $return;
- return $text;
- }
- define('FORUM_PARSER_LOADED', 1);