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|
<?php
/***************************************************************************
* bbcode.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email : support@phpbb.com
*
* $Id$
*
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
class bbcode
{
var $bbcode_uid = '';
var $bbcode_bitfield = 0;
var $bbcode_cache = array();
function bbcode($bitfield = 0)
{
if ($bitfield)
{
$this->bbcode_bitfield = $bitfield;
$this->bbcode_cache_init();
}
}
function bbcode_second_pass(&$message, $bbcode_uid = '', $bbcode_bitfield = '')
{
if (empty($this->bbcode_cache))
{
$this->bbcode_cache_init();
}
if ($bbcode_uid)
{
$this->bbcode_uid = $bbcode_uid;
}
if ($bbcode_bitfield)
{
$this->bbcode_bitfield = $bbcode_bitfield;
}
$str = array('search' => array(), 'replace' => array());
$preg = array('search' => array(), 'replace' => array());
$bitlen = strlen(decbin($this->bbcode_bitfield));
for ($bbcode_id = 0; $bbcode_id < $bitlen; ++$bbcode_id)
{
if ($this->bbcode_bitfield & pow(2, $bbcode_id))
{
foreach ($this->bbcode_cache[$bbcode_id] as $type => $array)
{
foreach ($array as $search => $replace)
{
${$type}['search'][] = str_replace('$uid', $this->bbcode_uid, $search);
${$type}['replace'][] = $replace;
}
}
}
}
if (count($str['search']))
{
$message = str_replace($str['search'], $str['replace'], $message);
}
if (count($preg['search']))
{
$message = preg_replace($preg['search'], $preg['replace'], $message);
}
return $message;
}
//
// bbcode_cache_init()
//
// requires: $this->bbcode_bitfield
// sets: $this->bbcode_cache with bbcode templates needed for bbcode_bitfield
//
function bbcode_cache_init()
{
$sql = '';
$bbcode_ids = array();
$bitlen = strlen(decbin($this->bbcode_bitfield));
for ($bbcode_id = 0; $bbcode_id < $bitlen; ++$bbcode_id)
{
if (isset($this->bbcode_cache[$bbcode_id]) || !($this->bbcode_bitfield & pow(2, $bbcode_id)))
{
continue;
}
$bbcode_ids[] = $bbcode_id;
// WARNING: hardcoded values. it assumes that bbcodes with bbcode_id > 11 are user-defined bbcodes
// and it has to be specified which bbcodes need the template to be loaded
if ($bbcode_id > 11)
{
$sql .= $bbcode_id . ',';
}
// WARNING: even more hardcoded stuff - define which bbcodes need template
elseif (in_array($bbcode_id, array(0, 5, 6, 8, 9)))
{
$load_template = TRUE;
}
}
if (!empty($load_template))
{
global $template, $user;
$tpl_filename = $template->make_filename('bbcode.html');
if (!$fp = @fopen($tpl_filename, 'rb'))
{
trigger_error('Could not load bbcode template');
}
$tpl = fread($fp, filesize($tpl_filename));
@fclose($fp);
// replace \ with \\ and then ' with \'.
$tpl = str_replace('\\', '\\\\', $tpl);
$tpl = str_replace("'", "\'", $tpl);
// strip newlines.
$tpl = str_replace("\n", '', $tpl);
// Turn template blocks into PHP assignment statements for the values of $bbcode_tpl..
$tpl = preg_replace('#<!-- BEGIN (.*?) -->(.*?)<!-- END (.*?) -->#', "\n" . "\$this->bbcode_tpl['\\1'] = trim('\\2');", $tpl);
$this->bbcode_tpl = array();
eval($tpl);
$this->bbcode_tpl['quote_open'] = str_replace('{L_QUOTE}', $user->lang['QUOTE'], $this->bbcode_tpl['quote_open']);
$this->bbcode_tpl['quote_username_open'] = str_replace('{L_QUOTE}', $user->lang['QUOTE'], $this->bbcode_tpl['quote_username_open']);
$this->bbcode_tpl['quote_username_open'] = str_replace('{L_WROTE}', $user->lang['WROTE'], $this->bbcode_tpl['quote_username_open']);
$this->bbcode_tpl['quote_username_open'] = str_replace('{USERNAME}', '\\1', $this->bbcode_tpl['quote_username_open']);
$this->bbcode_tpl['code_open'] = str_replace('{L_CODE}', $user->lang['CODE'], $this->bbcode_tpl['code_open']);
}
if ($sql)
{
global $db;
$rowset = array();
$sql = 'SELECT bbcode_id, second_pass_regexp, second_pass_replacement
FROM ' . BBCODES_TABLE . '
WHERE bbcode_id IN (' . substr($sql, 0, -1) . ')
ORDER BY bbcode_id';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$rowset[$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]' => $this->bbcode_tpl['quote_open'],
'[/quote:$uid]' => $this->bbcode_tpl['quote_close']
),
'preg' => array(
'#\[quote:$uid="(.*?)"\]#' => $this->bbcode_tpl['quote_username_open']
)
);
break;
case 1:
$this->bbcode_cache[$bbcode_id] = array(
'str' => array(
'[b:$uid]' => '<span style="font-weight: bold">',
'[/b:$uid]' => '</span>'
)
);
break;
case 2:
$this->bbcode_cache[$bbcode_id] = array(
'str' => array(
'[i:$uid]' => '<span style="font-style: italic">',
'[/i:$uid]' => '</span>'
)
);
break;
case 3:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[url:$uid\](.*?)\[/url:$uid\]#s' => '<a href="\1" target="_blank">\1</a>',
'#\[url=(.*?):$uid\](.*?)\[/url:$uid\]#s' => '<a href="\1" target="_blank">\2</a>'
)
);
break;
case 4:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[img:$uid\](.*?)\[/img:$uid\]#s' => '<img src="\1" border="0" />'
)
);
break;
case 5:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[size=(.*?):$uid\](.*?)\[/size:$uid\]#s' => '<span style="font-size: \1px; line-height: normal">\2</span>'
)
);
break;
case 6:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[color=(.*?):$uid\](.*?)\[/color:$uid\]#s' => '<span style="color: \1">\2</span>'
)
);
break;
case 7:
$this->bbcode_cache[$bbcode_id] = array(
'str' => array(
'[u:$uid]' => '<span style="text-decoration: underline">',
'[/u:$uid]' => '</span>'
)
);
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(
'str' => array(
'[list:$uid]' => '<ul>',
'[/list:u:$uid]' => '</ul>',
'[/list:o:$uid]' => '</ol>',
'[*:$uid]' => '<li>'
),
'preg' => array(
'#\[list=(.+?):$uid\]#e' => "\$this->bbcode_ordered_list('\\1')",
)
);
break;
case 10:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[email:$uid\](.*?)\[/email:$uid\]#is' => '<a href="mailto:\1">\1</a>',
'#\[email=(.*?):$uid\](.*?)\[/email:$uid\]#is' => '<a href="mailto:\1">\2</a>'
)
);
break;
case 11:
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array(
'#\[flash:$uid\](.*?)\[/flash:$uid\]#' => '<object classid="clsid:D27CDB6E-AE6D-11CF-96B8-444553540000" codebase="http://active.macromedia.com/flash2/cabs/swflash.cab#version=5,0,0,0"><param name="movie" value="\1"><param name="play" value="1"><param name="loop" value="1"><param name="quality" value="high"><embed src="\1" play="1" loop="1" quality="high"></embed></object>'
)
);
break;
default:
if (isset($rowset[$bbcode_id]))
{
$this->bbcode_cache[$bbcode_id] = array(
'preg' => array($rowset[$bbcode_id]['second_pass_regexp'], $rowset[$bbcode_id]['second_pass_replacement'])
);
}
else
{
$this->bbcode_cache[$bbcode_id] = array();
}
}
}
}
function bbcode_ordered_list($chr)
{
if (is_numeric($chr))
{
$start = $chr;
$chr = '1';
}
elseif (strtolower($chr) == 'i')
{
$start = 1;
}
else
{
$start = ord(strtolower($chr)) - 96;
$chr = 'a';
}
return '<ol type="' . $chr . '" start="' . $start . '">';
}
function bbcode_second_pass_code($type, $code)
{
$code = stripslashes(str_replace("\r\n", "\n", $code));
switch ($type)
{
case 'php':
$str_from = array('<', '>', '"', ':', '[', ']', '(', ')', '{', '}', '.', '@');
$str_to = array('<', '>', '"', ':', '[', ']', '(', ')', '{', '}', '.', '@');
$code = str_replace($str_to, $str_from, $code);
$remove_tags = FALSE;
if (!preg_match('/\<\?.*?\?\>/is', $code))
{
$remove_tags = TRUE;
$code = "<?php $code ?>";
}
ob_start();
highlight_string($code);
$code = ob_get_contents();
ob_end_clean();
if ($remove_tags)
{
$code = preg_replace('!^<code>[\n\r\s\t]*<font color="#[a-z0-9]+">[\n\r\s\t]*(<font color="#[a-z0-9]+">)<\?php (.*)\?></font>[\n\r\s\t]*(</font>)[\n\r\s\t]*</code>[\n\r\s\t]*!is', '\1\2\3', $code);
}
else
{
$code = preg_replace('!^<code>[\n\r\s\t]*<font color="#[a-z0-9]+">[\n\r\s\t]*(.*)</font>[\n\r\s\t]*</code>[\n\r\s\t]*!is', '\1', $code);
}
break;
default:
$code = str_replace("\t", ' ', $code);
$code = str_replace(' ', ' ', $code);
$code = str_replace(' ', ' ', $code);
}
$code = $this->bbcode_tpl['code_open'] . $code . $this->bbcode_tpl['code_close'];
return $code;
}
}
?>
|
