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<?php
/**
* IRB_BBdecoder - class interpreter bb-tags
* NOTE: Requires PHP version 5 or later and GD version 2.0.1 or later
* @package irb_bbdecoder
* @author IT studio IRBIS-team
* @copyright © 2009 IRBIS-team
* @version 0.1
* @license http://www.opensource.org/licenses/rpl1.5.txt
*/
class IRB_BBdecoder
{
private $bb_open;
private $bb_close;
private $bb_single;
private $html_open;
private $html_close;
private $html_single;
private $tmp_open;
private $tmp_close;
private $tmp_single;
private $max_len;
private $links;
private $images;
private $video;
private $formatters;
public function __construct()
{
include_once dirname(__FILE__) .'/config.php';
extract($configBBcode);
$this->bb_open = array_keys($setup_bb);
$this->bb_close = array_values($setup_bb);
$this->html_open = array_keys($setup_html);
$this->html_close = array_values($setup_html);
$this->bb_single = array_keys($single_tags);
$this->html_single = array_values($single_tags);
$this->tmp_open = $tmp_open;
$this->tmp_close = $tmp_close;
$this->tmp_single = $tmp_single;
$this->max_len = $max_len;
$this->links = $links;
$this->images = $images;
$this->video = $video;
$this->formatters = $formatters;
}
/**
* Основной метод интерпретатора
* @param string $text //обрабатываемый текст
* @return string
*/
public function createBBtags($text)
{
$text = str_replace($this->tmp_open, '', $text);
$text = str_replace($this->tmp_close, '', $text);
$text = str_replace($this->tmp_single, '', $text);
$text = str_replace("\r", "", $text);
$text = str_replace("\t", " ", $text);
$text = str_ireplace($this->bb_open, $this->tmp_open, $text);
$text = str_ireplace($this->bb_close, $this->tmp_close, $text);
$text = str_ireplace($this->bb_single, $this->tmp_single, $text);
$open_cnt = array();
foreach($this->tmp_open as $k => $v)
{
$text = preg_replace("#". $v ."\s*?". $this->tmp_close[$k] ."#us", "", $text);
$cnt = substr_count($text, $v);
if($cnt > 0)
{
$open_cnt[$v] = $cnt;
$close_cnt[$v] = substr_count($text, $this->tmp_close[$k]);
}
}
foreach($open_cnt as $k => $v)
{
if($v > $close_cnt[$k])
{
for($i = 0; $i < $v - $close_cnt[$k]; ++$i)
$text = preg_replace('#'. $k .'(?!.*'. $k .')#us', '', $text);
}
}
$text = $this->mBwordwrap($text, $this->max_len);
$text = htmlspecialchars($text);
if(count($this->formatters))
$text = preg_replace_callback('#\[code=([^\] ]+?)\](.+?)\[/code=\\1\]#si',
array($this, 'getFormat'),
$text
);
if($this->links)
{
$text = preg_replace_callback('#\[url=http(s*)://([^\] ]+?)\](.+?)\[/url\]#si',
array($this, 'createLink1'),
$text
);
$text = preg_replace_callback('#\[url\]http(s*)://(.+?)\[/url\]#si',
array($this, 'createLink2'),
$text
);
}
if($this->images)
$text = preg_replace_callback('#\[img\]http://([^\] \?]+?)\[/img\]#si',
array($this, 'createImg'),
$text
);
if($this->video)
$text = preg_replace_callback('#\[video\]http://([^\] \?]+?).flv\[/video\]#si',
array($this, 'createSwf'),
$text
);
$text = str_replace($this->tmp_open, $this->html_open, $text);
$text = str_replace($this->tmp_close, $this->html_close, $text);
$text = str_replace($this->tmp_single, $this->html_single, $text);
$text = str_replace(' ', ' ', $text);
$text = nl2br($text);
return $text;
}
/**
* Метод очистки текста от BB-тегов
* @param string $text
* @return string
*/
public function stripBBtags($text)
{
$text = str_replace($this->bb_open, '', $text);
$text = str_replace($this->bb_close, '', $text);
$text = str_replace($this->bb_single, '', $text);
$text = preg_replace('#\\[(code|url|img|video)[^\s]*?\].*?\[/\\1\]#usi', '', $text);
return $text;
}
/**
* Аналог wordwrap() для кодировки UTF-8
* @param string $str //обрабатываеемая строка
* @param int $width //максимальная длина слова
* @param string $break //разделитель
* @return string
*/
public function mBwordwrap($text, $width = 74, $break = "\n")
{
return preg_replace('#([^\s]{'. $width .'})#u', '$1'. $break , $text);
}
/**
* Метод генерации ссылок
* @param array $match
* @return string
*/
private function createLink1($match)
{
$match[2] = str_replace("\n", "", $match[2]);
return '<a href="http'. $match[1] .'://'. htmlspecialchars($match[2])
. '" target="_blanck" >'. htmlspecialchars($match[3]) .'</a>';
}
private function createLink2($match)
{
$match[2] = str_replace("\n", "", $match[2]);
return '<a href="http'. $match[1] .'://'. htmlspecialchars($match[2])
. '" target="_blanck" >'. htmlspecialchars($match[2]) .'</a>';
}
/**
* Метод генерации картинок
* @param array $match
* @return string
*/
private function createImg($match)
{
$match[1] = str_replace("\n", "", $match[1]);
return '<img src="http://'. htmlspecialchars($match[1]) .'" border="0" />';
}
/**
* Метод генерации видеоролика
* @param array $match
* @return string
*/
private function createSwf($match)
{
$match[1] = str_replace("\n", "", $match[1]);
return '<center><object type="application/x-shockwave-flash" data="'
. IRB_BB_PATH .'/images/video.swf" height="300" width="400">'
. '<param name="bgcolor" value="#333333" /><param name="allowFullScreen" value="true" />'
. '<param name="allowScriptAccess" value="always" />'
. '<param name="movie" value="'
. IRB_BB_PATH .'/images/video.swf" />'
. '<param name="FlashVars" value="way=http://'
. htmlspecialchars($match[1]) .'.flv&swf='
. IRB_BB_PATH .'/images/video.swf&w=400&h=300&'
. 'pic=http://&autoplay=0&tools=1&'
. 'skin=white&volume=70&q=&comment=" />'
. '</object></center>';
}
/**
* Метод подключения форматтеров.
* Подключает нужный и вызывает функцию
* @param array $match //массив значений
* @return string
*/
private function getFormat($match)
{
$format = str_replace("\n", "", strtolower($match[1]));
if(in_array($format, $this->formatters))
{
include_once dirname(__FILE__) .'/formatters/'. $format .'.php';
return $format($match[2]);
}
return 'No formatter '. $match[1];
}
}
|
