phpbb3/phpBB/includes/bbcode.php at develop · sayedather/phpbb3 · GitHub

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<?php

/**

* @package phpBB3

* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

/**

* @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;

/**

* 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(':', '.'), 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, $phpEx, $config, $user, $phpbb_extension_manager;

if (empty($this->template_filename))

{

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

$style_resource_locator = new phpbb_style_resource_locator();

$style_path_provider = new phpbb_style_extension_path_provider($phpbb_extension_manager, new phpbb_style_path_provider());

$template = new phpbb_template($phpbb_root_path, $phpEx, $config, $user, $style_resource_locator);

$style = new phpbb_style($phpbb_root_path, $phpEx, $config, $user, $style_resource_locator, $style_path_provider, $template);

$style->set_style();

$template->set_filenames(array('bbcode.html' => 'bbcode.html'));

$this->template_filename = $style_resource_locator->get_source_file_for_handle('bbcode.html');

}

$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 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(

'#\[quote(?:="(.*?)")?:$uid\]((?!\[quote(?:=".*?")?:$uid\]).)?#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|INTTEXT|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' => '',

'b_close' => '',

'i_open' => '',

'i_close' => '',

'u_open' => '',

'u_close' => '',

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

'size' => '$2',

'color' => '$2',

'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('#(.*?)#', $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, ' ') === 0)

{

$code = substr($code, 41);

}

// no break;

default:

$code = str_replace("\t", '   ', $code);

$code = str_replace(' ', '  ', $code);

$code = str_replace(' ', '  ', $code);

$code = str_replace("\n ", "\n ", $code);

// keep space at the beginning

if (!empty($code) && $code[0] == ' ')

{

$code = ' ' . substr($code, 1);

}

// 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;

}

phpbb3/phpBB/includes/bbcode.php at develop · sayedather/phpbb3 · GitHub

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