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<?php
/**
* Copyright (C) 2008-2011 FluxBB
* based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
*/
// Make sure no one attempts to run this script "directly"
if (!defined('PUN'))
exit;
// Global variables
/* regular expression to match nested BBCode LIST tags
'%
\[list # match opening bracket and tag name of outermost LIST tag
(?:=([1a*]))?+ # optional attribute capture in group 1
\] # closing bracket of outermost opening LIST tag
( # capture contents of LIST tag in group 2
(?: # non capture group for either contents or whole nested LIST
[^\[]*+ # unroll the loop! consume everything up to next [ (normal *)
(?: # (See "Mastering Regular Expressions" chapter 6 for details)
(?! # negative lookahead ensures we are NOT on [LIST*] or [/LIST]
\[list # opening LIST tag
(?:=[1a*])?+ # with optional attribute
\] # closing bracket of opening LIST tag
| # or...
\[/list\] # a closing LIST tag
) # end negative lookahead assertion (we are not on a LIST tag)
\[ # match the [ which is NOT the start of LIST tag (special)
[^\[]*+ # consume everything up to next [ (normal *)
)*+ # finish up "unrolling the loop" technique (special (normal*))*
| # or...
(?R) # recursively match a whole nested LIST element
)* # as many times as necessary until deepest nested LIST tag grabbed
) # end capturing contents of LIST tag into group 2
\[/list\] # match outermost closing LIST tag
%iex' */
$re_list = '%\[list(?:=([1a*]))?+\]((?:[^\[]*+(?:(?!\[list(?:=[1a*])?+\]|\[/list\])\[[^\[]*+)*+|(?R))*)\[/list\]%ie';
// Here you can add additional smilies if you like (please note that you must escape single quote and backslash)
$smilies = array(
':)' => 'smile.png',
'=)' => 'smile.png',
':|' => 'neutral.png',
'=|' => 'neutral.png',
':(' => 'sad.png',
'=(' => 'sad.png',
':D' => 'big_smile.png',
'=D' => 'big_smile.png',
':o' => 'yikes.png',
':O' => 'yikes.png',
';)' => 'wink.png',
':/' => 'hmm.png',
':P' => 'tongue.png',
':p' => 'tongue.png',
':lol:' => 'lol.png',
':mad:' => 'mad.png',
':rolleyes:' => 'roll.png',
':cool:' => 'cool.png');
//
// Make sure all BBCodes are lower case and do a little cleanup
//
function preparse_bbcode($text, &$errors, $is_signature = false)
{
global $pun_config, $lang_common, $lang_post, $re_list;
if ($is_signature)
{
global $lang_profile;
if (preg_match('%\[/?(?:quote|code|list|h)\b[^\]]*\]%i', $text))
$errors[] = $lang_profile['Signature quote/code/list/h'];
}
// If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched)
if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false)
list($inside, $text) = extract_blocks($text, '[code]', '[/code]');
// Tidy up lists
$temp = preg_replace($re_list, 'preparse_list_tag(\'$2\', \'$1\')', $text);
// If the regex failed
if ($temp === null)
$errors[] = $lang_common['BBCode list size error'];
else
$text = str_replace('*'."\0".']', '*]', $temp);
if ($pun_config['o_make_links'] == '1')
$text = do_clickable($text);
// If we split up the message before we have to concatenate it together again (code tags)
if (isset($inside))
{
$outside = explode("\1", $text);
$text = '';
$num_tokens = count($outside);
for ($i = 0; $i < $num_tokens; ++$i)
{
$text .= $outside[$i];
if (isset($inside[$i]))
$text .= '[code]'.$inside[$i].'[/code]';
}
unset($inside);
}
$temp_text = false;
if (empty($errors))
$temp_text = preparse_tags($text, $errors, $is_signature);
if ($temp_text !== false)
$text = $temp_text;
// Remove empty tags
while (($new_text = strip_empty_bbcode($text)) !== false)
{
if ($new_text != $text)
{
$text = $new_text;
if ($new_text == '')
{
$errors[] = $lang_post['Empty after strip'];
break;
}
}
else
break;
}
return pun_trim($text);
}
//
// Strip empty bbcode tags from some text
//
function strip_empty_bbcode($text)
{
// If the message contains a code tag we have to split it up (empty tags within [code][/code] are fine)
if (strpos($text, '[code]') !== false && strpos($text, '[/code]') !== false)
list($inside, $text) = extract_blocks($text, '[code]', '[/code]');
// Remove empty tags
while (($new_text = preg_replace('%\[(b|u|s|ins|del|em|i|h|colou?r|quote|img|url|email|list|topic|post|forum|user)(?:\=[^\]]*)?\]\s*\[/\1\]%', '', $text)) !== NULL)
{
if ($new_text != $text)
$text = $new_text;
else
break;
}
// If we split up the message before we have to concatenate it together again (code tags)
if (isset($inside))
{
$parts = explode("\1", $text);
$text = '';
foreach ($parts as $i => $part)
{
$text .= $part;
if (isset($inside[$i]))
$text .= '[code]'.$inside[$i].'[/code]';
}
}
// Remove empty code tags
while (($new_text = preg_replace('%\[(code)\]\s*\[/\1\]%', '', $text)) !== NULL)
{
if ($new_text != $text)
$text = $new_text;
else
break;
}
return $text;
}
//
// Check the structure of bbcode tags and fix simple mistakes where possible
//
function preparse_tags($text, &$errors, $is_signature = false)
{
global $lang_common, $pun_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', 's', 'ins', 'del', 'em', 'color', 'colour', 'url', 'email', 'img', 'list', '*', 'h', 'topic', 'post', 'forum', 'user');
// 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
$tags_nested = array('quote' => $pun_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', 's', 'ins', 'del', 'em', 'color', 'colour', 'h', 'topic', 'post', 'forum', 'user');
// Tags we trim interior space
$tags_trim = array('img');
// Tags we remove quotes from the argument
$tags_quotes = array('url', 'email', 'img', 'topic', 'post', 'forum', 'user');
// Tags we limit bbcode in
$tags_limit_bbcode = array(
'*' => array('b', 'i', 'u', 's', 'ins', 'del', 'em', 'color', 'colour', 'url', 'email', 'list', 'img', 'code', 'topic', 'post', 'forum', 'user'),
'list' => array('*'),
'url' => array('img'),
'email' => array('img'),
'topic' => array('img'),
'post' => array('img'),
'forum' => array('img'),
'user' => array('img'),
'img' => array(),
'h' => array('b', 'i', 'u', 's', 'ins', 'del', 'em', 'color', 'colour', 'url', 'email', 'topic', 'post', 'forum', 'user'),
);
// Tags we can automatically fix bad nesting
$tags_fix = array('quote', 'b', 'i', 'u', 's', 'ins', 'del', 'em', 'color', 'colour', 'url', 'email', 'h', 'topic', 'post', 'forum', 'user');
$split_text = preg_split('%(\[[\*a-zA-Z0-9-/]*?(?:=.*?)?\])%', $text, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
$open_tags = array('fluxbb-bbcode');
$open_args = array('');
$opened_tag = 0;
$new_text = '';
$current_ignore = '';
$current_nest = '';
$current_depth = array();
$limit_bbcode = $tags;
$count_ignored = array();
foreach ($split_text as $current)
{
if ($current == '')
continue;
// Are we dealing with a tag?
if (substr($current, 0, 1) != '[' || substr($current, -1, 1) != ']')
{
// It's 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);
$current = '';
if (!pun_trim($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))
$new_text .= pun_trim($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, $tags))
{
// It's not a bbcode tag so we put it on the end and continue
if (!$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 empty attribute'], $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
// We keep a count of ignored bbcodes (code tags) so we can nest them, but
// only balanced sets of tags can be nested
if ($current_ignore)
{
// Increase the current ignored tags counter
if ('['.$current_ignore.']' == $current)
$count_ignored[$current_tag]++;
// Decrease the current ignored tags counter
if ('[/'.$current_ignore.']' == $current)
$count_ignored[$current_tag]--;
if ('[/'.$current_ignore.']' == $current && $count_ignored[$current_tag] == 0)
{
// We've finished the ignored section
$current = '[/'.$current_tag.']';
$current_ignore = '';
$count_ignored = array();
}
$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 invalid nesting'], $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 no opening tag'], $current_tag);
return false;
}
}
else
{
// Check nesting
while (true)
{
// Nesting is ok
if ($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 no closing tag'], 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 no opening tag'], $current_tag);
return false;
}
}
else if (in_array($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 invalid nesting'], $current_tag, $open_tags[$opened_tag]);
return false;
}
if (in_array($current_tag, $tags_ignore))
{
// It's an ignore tag so we don't need to worry about what's inside it
$current_ignore = $current_tag;
$count_ignored[$current_tag] = 1;
$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 invalid self-nesting'], $current_tag);
return false;
}
else if (in_array($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 no closing tag'], $check);
return false;
}
}
if ($current_ignore)
{
// We left an ignore tag open
$errors[] = sprintf($lang_common['BBCode error no closing tag'], $current_ignore);
return false;
}
return $new_text;
}
//
// Preparse the contents of [list] bbcode
//
function preparse_list_tag($content, $type = '*')
{
global $lang_common, $re_list;
if (strlen($type) != 1)
$type = '*';
if (strpos($content,'[list') !== false)
{
$content = preg_replace($re_list, 'preparse_list_tag(\'$2\', \'$1\')', $content);
}
$items = explode('[*]', str_replace('\"', '"', $content));
$content = '';
foreach ($items as $item)
{
if (pun_trim($item) != '')
$content .= '[*'."\0".']'.str_replace('[/*]', '', pun_trim($item)).'[/*'."\0".']'."\n";
}
return '[list='.$type.']'."\n".$content.'[/list]';
}
//
// Truncate URL if longer than 55 characters (add http:// or ftp:// if missing)
//
function handle_url_tag($url, $link = '', $bbcode = false)
{
$url = pun_trim($url);
// Deal with [url][img]http://example.com/test.png[/img][/url]
if (preg_match('%<img src=\\\\"(.*?)\\\\"%', $url, $matches))
return handle_url_tag($matches[1], $url, $bbcode);
$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 (strpos($url, '/') === 0) // Allow for relative URLs that start with a slash
$full_url = get_base_url(true).$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;
// Ok, not very pretty :-)
if ($bbcode)
{
if ($full_url == $link)
return '[url]'.$link.'[/url]';
else
return '[url='.$full_url.']'.$link.'[/url]';
}
else
{
if ($link == '' || $link == $url)
{
$url = pun_htmlspecialchars_decode($url);
$link = utf8_strlen($url) > 55 ? utf8_substr($url, 0 , 39).''.utf8_substr($url, -10) : $url;
$link = pun_htmlspecialchars($link);
}
else
$link = stripslashes($link);
return '<a href="'.$full_url.'">'.$link.'</a>';
}
}
//
// 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, $pun_user;
if ($alt == null)
$alt = basename($url);
$img_tag = '<a href="'.$url.'">&lt;'.$lang_common['Image link'].' - '.$alt.'&gt;</a>';
if ($is_signature && $pun_user['show_img_sig'] != '0')
$img_tag = '<img class="sigimage" src="'.$url.'" alt="'.$alt.'" />';
else if (!$is_signature && $pun_user['show_img'] != '0')
$img_tag = '<span class="postimg"><img src="'.$url.'" alt="'.$alt.'" /></span>';
return $img_tag;
}
//
// Parse the contents of [list] bbcode
//
function handle_list_tag($content, $type = '*')
{
global $re_list;
if (strlen($type) != 1)
$type = '*';
if (strpos($content,'[list') !== false)
{
$content = preg_replace($re_list, 'handle_list_tag(\'$2\', \'$1\')', $content);
}
$content = preg_replace('#\s*\[\*\](.*?)\[/\*\]\s*#s', '<li><p>$1</p></li>', pun_trim($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, $pun_user, $pun_config, $re_list;
if (strpos($text, '[quote') !== false)
{
$text = preg_replace('%\[quote\]\s*%', '</p><div class="quotebox"><blockquote><div><p>', $text);
$text = preg_replace('%\[quote=(&quot;|&\#039;|"|\'|)(.*?)\\1\]%se', '"</p><div class=\"quotebox\"><cite>".str_replace(array(\'[\', \'\\"\'), array(\'&#91;\', \'"\'), \'$2\')." ".$lang_common[\'wrote\']."</cite><blockquote><div><p>"', $text);
$text = preg_replace('%\s*\[\/quote\]%S', '</p></div></blockquote></div><p>', $text);
}
if (!$is_signature)
{
$pattern[] = $re_list;
$replace[] = 'handle_list_tag(\'$2\', \'$1\')';
}
$pattern[] = '%\[b\](.*?)\[/b\]%ms';
$pattern[] = '%\[i\](.*?)\[/i\]%ms';
$pattern[] = '%\[u\](.*?)\[/u\]%ms';
$pattern[] = '%\[s\](.*?)\[/s\]%ms';
$pattern[] = '%\[del\](.*?)\[/del\]%ms';
$pattern[] = '%\[ins\](.*?)\[/ins\]%ms';
$pattern[] = '%\[em\](.*?)\[/em\]%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 class="bbs">$1</span>';
$replace[] = '<del>$1</del>';
$replace[] = '<ins>$1</ins>';
$replace[] = '<em>$1</em>';
$replace[] = '<span style="color: $1">$2</span>';
$replace[] = '</p><h5>$1</h5><p>';
if (($is_signature && $pun_config['p_sig_img_tag'] == '1') || (!$is_signature && $pun_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\')';
}
}
$pattern[] = '%\[url\]([^\[]*?)\[/url\]%e';
$pattern[] = '%\[url=([^\[]+?)\](.*?)\[/url\]%e';
$pattern[] = '%\[email\]([^\[]*?)\[/email\]%';
$pattern[] = '%\[email=([^\[]+?)\](.*?)\[/email\]%';
$pattern[] = '%\[topic\]([1-9]\d*)\[/topic\]%e';
$pattern[] = '%\[topic=([1-9]\d*)\](.*?)\[/topic\]%e';
$pattern[] = '%\[post\]([1-9]\d*)\[/post\]%e';
$pattern[] = '%\[post=([1-9]\d*)\](.*?)\[/post\]%e';
$pattern[] = '%\[forum\]([1-9]\d*)\[/forum\]%e';
$pattern[] = '%\[forum=([1-9]\d*)\](.*?)\[/forum\]%e';
$pattern[] = '%\[user\]([1-9]\d*)\[/user\]%e';
$pattern[] = '%\[user=([1-9]\d*)\](.*?)\[/user\]%e';
$replace[] = 'handle_url_tag(\'$1\')';
$replace[] = 'handle_url_tag(\'$1\', \'$2\')';
$replace[] = '<a href="mailto:$1">$1</a>';
$replace[] = '<a href="mailto:$1">$2</a>';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewtopic.php?id=$1\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewtopic.php?id=$1\', \'$2\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewtopic.php?pid=$1#p$1\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewtopic.php?pid=$1#p$1\', \'$2\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewforum.php?id=$1\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/viewforum.php?id=$1\', \'$2\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/profile.php?id=$1\')';
$replace[] = 'handle_url_tag(\''.get_base_url(true).'/profile.php?id=$1\', \'$2\')';
// This thing takes a while! :)
$text = preg_replace($pattern, $replace, $text);
return $text;
}
//
// Make hyperlinks clickable
//
function do_clickable($text)
{
$text = ' '.$text;
$text = ucp_preg_replace('%(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(https?|ftp|news){1}://([\p{L}\p{N}\-]+\.([\p{L}\p{N}\-]+\.)*[\p{L}\p{N}]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-]*)?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])%uie', 'stripslashes(\'$1$2$3$4\').handle_url_tag(\'$5://$6\', \'$5://$6\', true).stripslashes(\'$4$10$11$12\')', $text);
$text = ucp_preg_replace('%(?<=[\s\]\)])(<)?(\[)?(\()?([\'"]?)(www|ftp)\.(([\p{L}\p{N}\-]+\.)*[\p{L}\p{N}]+(:[0-9]+)?(/[^\s\[]*[^\s.,?!\[;:-]*)?)\4(?(3)(\)))(?(2)(\]))(?(1)(>))(?![^\s]*\[/(?:url|img)\])%uie', '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 $pun_config, $smilies;
$text = ' '.$text.' ';
foreach ($smilies as $smiley_text => $smiley_img)
{
if (strpos($text, $smiley_text) !== false)
$text = ucp_preg_replace('%(?<=[>\s])'.preg_quote($smiley_text, '%').'(?=[^\p{L}\p{N}])%um', '<img src="'.pun_htmlspecialchars(get_base_url(true).'/img/smilies/'.$smiley_img).'" width="15" height="15" alt="'.substr($smiley_img, 0, strrpos($smiley_img, '.')).'" />', $text);
}
return substr($text, 1, -1);
}
//
// Parse message text
//
function parse_message($text, $hide_smilies)
{
global $pun_config, $lang_common, $pun_user;
if ($pun_config['o_censoring'] == '1')
$text = censor_words($text);
// Convert applicable characters to HTML entities
$text = pun_htmlspecialchars($text);
// 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, $text) = extract_blocks($text, '[code]', '[/code]');
if ($pun_config['p_message_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
$text = do_bbcode($text);
if ($pun_config['o_smilies'] == '1' && $pun_user['show_smilies'] == '1' && $hide_smilies == '0')
$text = do_smilies($text);
// Deal with newlines, tabs and multiple spaces
$pattern = array("\n", "\t", ' ', ' ');
$replace = array('<br />', '&#160; &#160; ', '&#160; ', ' &#160;');
$text = str_replace($pattern, $replace, $text);
// If we split up the message before we have to concatenate it together again (code tags)
if (isset($inside))
{
$parts = explode("\1", $text);
$text = '';
foreach ($parts as $i => $part)
{
$text .= $part;
if (isset($inside[$i]))
{
$num_lines = (substr_count($inside[$i], "\n"));
$text .= '</p><div class="codebox"><pre'.(($num_lines > 28) ? ' class="vscroll"' : '').'><code>'.pun_trim($inside[$i], "\n\r").'</code></pre></div><p>';
}
}
}
// 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 $text;
}
//
// Parse signature text
//
function parse_signature($text)
{
global $pun_config, $lang_common, $pun_user;
if ($pun_config['o_censoring'] == '1')
$text = censor_words($text);
// Convert applicable characters to HTML entities
$text = pun_htmlspecialchars($text);
if ($pun_config['p_sig_bbcode'] == '1' && strpos($text, '[') !== false && strpos($text, ']') !== false)
$text = do_bbcode($text, true);
if ($pun_config['o_smilies_sig'] == '1' && $pun_user['show_smilies'] == '1')
$text = do_smilies($text);
// Deal with newlines, tabs and multiple spaces
$pattern = array("\n", "\t", ' ', ' ');
$replace = array('<br />', '&#160; &#160; ', '&#160; ', ' &#160;');
$text = str_replace($pattern, $replace, $text);
// 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 $text;
}
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