<?php
class BBCodeParser {
public $setting;
public $parsers = array(
'code' => array(
'pattern' => '/\[code\](.*?)\[\/code\]/s',
'callback' => 'highlightCode'
),
'bold' => array(
'pattern' => '/\[b\](.*?)\[\/b\]/s',
'replace' => '<strong>$1</strong>',
),
'italic' => array(
'pattern' => '/\[i\](.*?)\[\/i\]/s',
'replace' => '<em>$1</em>',
),
'underLine' => array(
'pattern' => '/\[u\](.*?)\[\/u\]/s',
'replace' => '<u>$1</u>',
),
'lineThrough' => array(
'pattern' => '/\[s\](.*?)\[\/s\]/s',
'replace' => '<strike>$1</strike>',
),
'fontSize' => array(
'pattern' => '/\[size\=([1-5])\](.*?)\[\/size\]/s',
'replace' => '<font size="$1">$2</font>',
),
'fontColor' => array(
'pattern' => '/\[color\=(#[A-f0-9]{6}|#[A-f0-9]{3})\](.*?)\[\/color\]/s',
'replace' => '<font color="$1">$2</font>',
'iterate' => 5,
),
'center' => array(
'pattern' => '/\[center\](.*?)\[\/center\]/s',
'replace' => '<div style="text-align:center;">$1</div>',
),
'quote' => array(
'pattern' => '/\[quote\](.*?)\[\/quote\]/s',
'replace' => '<blockquote>$1</blockquote>',
'iterate' => 3,
),
'namedQuote' => array(
'pattern' => '/\[quote\=(.*?)\](.*?)\[\/quote\]/s',
'replace' => '<blockquote>$2<small>$1</small></blockquote>',
'iterate' => 3,
),
'http' => array(
'pattern' => '%\b((?<!(=|]))[\w-]+://[^\s()<>\[\]]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))%s',
'callback' => 'urlReplace',
),
'link' => array(
'pattern' => '%\[url\](\b([\w-]+://[^\s()<>\[\]]+))\[/url\]%s',
'callback' => 'urlReplace',
),
'namedLink' => array(
'pattern' => '%\[url\=\b([\w-]+://[^\s()<>\[\]]+)\](.*?)\[/url\]%s',
'callback' => 'urlReplace',
),
'image' => array(
'pattern' => '%\[img\]\b([\w-]+://[^\s()<>\[\]]+\.(jpg|png|gif|jpeg))\[/img\]%s',
'replace' => '<img src="$1" class="img-responsive" alt="image">',
),
'orderedList' => array(
'pattern' => '/\[list=1\](.*?)\[\/list\]/s',
'callback' => 'listReplace',
),
'unorderedList' => array(
'pattern' => '/\[list\](.*?)\[\/list\]/s',
'callback' => 'listReplace',
),
'spoiler' => array(
'pattern' => '/\[spoiler\](.*?)\[\/spoiler\]/s',
'callback' => 'spoilerText',
'iterate' => 1,
),
'shortSpoiler' => array(
'pattern' => '/\[spoiler\=(.*?)\](.*?)\[\/spoiler\]/s',
'callback' => 'spoilerText',
'iterate' => 1,
),
'hide' => array(
'pattern' => '/\[hide\](.*?)\[\/hide\]/s',
'callback' => 'hiddenText',
),
'youtube' => array(
'pattern' => '/\[youtube\]([\w-]{11})\[\/youtube\]/s',
'replace' => '<div class="embed-responsive embed-responsive-16by9"><iframe class="embed-responsive-item" src="//www.youtube.com/embed/$1"></iframe></div>',
),
);
/**
* Конструктор
* @param string $setting настройки
*/
public function __construct($setting)
{
$this->setting = $setting;
}
/**
* Метод парсинга BBCode
* @param string $source текст содержаший BBCode
* @return string распарсенный текст
*/
public function parse($source)
{
$source = nl2br($source);
foreach ($this->parsers as $parser) {
$iterate = isset($parser['iterate']) ? $parser['iterate'] : 0;
for ($i = 0; $i <= $iterate; $i++) {
if (isset($parser['callback'])) {
$source = preg_replace_callback($parser['pattern'], array($this, $parser['callback']), $source);
} else {
$source = preg_replace($parser['pattern'], $parser['replace'], $source);
}
}
}
return $source;
}
public function clear($source)
{
return $source = preg_replace('/\[(.*?)\]/', '', $source);
}
/**
* Обработка ссылок
* @param array $match ссылка
* @return string обработанная ссылка
*/
public function urlReplace($match)
{
$name = isset($match[3]) ? $match[1] : $match[2];
$target = (strpos($match[1], $this->setting['home']) === false) ? ' target="_blank" rel="nofollow"' : '';
return '<a href="'.$match[1].'"'.$target.'>'.rawurldecode($name).'</a>';
}
/**
* Обработка списков
* @param array $match список
* @return string обработанный список
*/
public function listReplace($match)
{
$li = preg_split('/<br[^>]*>\R/', $match[1], -1, PREG_SPLIT_NO_EMPTY);
if (empty($li)) return $match[0];
$list = array();
foreach($li as $l){
$list[] = '<li>'.$l.'</li>';
}
$tag = strpos($match[0], '[list]') === false ? 'ol' : 'ul';
return '<'.$tag.'>'.implode($list).'</'.$tag.'>';
}
/**
* Подсветка кода
* @param callable $match массив элементов
* @return string текст с подсветкой
*/
public function highlightCode($match)
{
//Чтобы bb-код и смайлы не работали внутри тега [code]
$match[1] = strtr($match[1], array(':' => ':', '[' => '['));
return '<pre class="prettyprint linenums">'.$match[1].'</pre>';
}
/**
* Скрытие текста под спойлер
* @param callable $match массив элементов
* @return string код спойлера
*/
public function spoilerText($match)
{
$title = (empty($match[1]) || !isset($match[2])) ? 'Развернуть для просмотра' : $match[1];
$text = (empty($match[2])) ? !isset($match[2]) ? $match[1] : 'Текст отсутствует' : $match[2];
return '<div class="spoiler">
<b class="spoiler-title">'.$title.'</b>
<div class="spoiler-text" style="display: none;">'.$text.'</div>
</div>';
}
/**
* Скрытие текста от неавторизованных пользователей
* @param callable $match массив элементов
* @return string скрытый код
*/
public function hiddenText($match)
{
if (empty($match[1])) $match[1] = 'Текст отсутствует';
return '<div class="hiding">
<span class="strong">Скрытый контент:</span> '.(is_user() ? $match[1] : 'Для просмотра необходимо авторизоваться!').
'</div>';
}
/**
* Обработка смайлов
* @param string $text Необработанный текст
* @return string Обработанный текст
*/
public function parseSmiles($source)
{
static $list_smiles;
if (empty($list_smiles)) {
if (! file_exists(DATADIR.'/temp/smiles.dat')) {
$smiles = DBM::run()->query("SELECT `smiles_name`, `smiles_code` FROM `smiles` ORDER BY CHAR_LENGTH(`smiles_code`) DESC;");
file_put_contents(DATADIR.'/temp/smiles.dat', serialize($smiles));
}
$list_smiles = unserialize(file_get_contents(DATADIR."/temp/smiles.dat"));
}
$count = 0;
foreach($list_smiles as $smile) {
$source = preg_replace('|'.preg_quote($smile['smiles_code']).'|', '<img src="/images/smiles/'.$smile['smiles_name'].'" alt="'.$smile['smiles_name'].'" /> ', $source, $this->setting['resmiles'] - $count, $cnt);
$count += $cnt;
if ($count >= $this->setting['resmiles']) break;
}
return $source;
}
/**
* Sets the parser pattern and replace.
* This can be used for new parsers or overwriting existing ones.
* @param string $name Parser name
* @param string $pattern Pattern
* @param string $replace Replace pattern
*/
public function setParser($name, $pattern, $replace)
{
$this->parsers[$name] = array(
'pattern' => $pattern,
'replace' => $replace
);
}
/**
* Limits the parsers to only those you specify
* @param mixed $only parsers
* @return object BBCodeParser object
*/
public function only($only = null)
{
$only = (is_array($only)) ? $only : func_get_args();
$this->parsers = $this->arrayOnly($only);
return $this;
}
/**
* Removes the parsers you want to exclude
* @param mixed $except parsers
* @return object BBCodeParser object
*/
public function except($except = null)
{
$except = (is_array($except)) ? $except : func_get_args();
$this->parsers = $this->arrayExcept($except);
return $this;
}
/**
* List of all available parsers
* @return array array of available parsers
*/
public function getAvailableParsers()
{
return $this->availableParsers;
}
/**
* List of chosen parsers
* @return array array of parsers
*/
public function getParsers()
{
return $this->parsers;
}
/**
* Filters all parsers that you don´t want
* @param array $only chosen parsers
* @return array parsers
*/
private function arrayOnly($only)
{
return array_intersect_key($this->parsers, array_flip((array) $only));
}
/**
* Removes the parsers that you don´t want
* @param array $except parsers to exclude
* @return array parsers
*/
private function arrayExcept($excepts)
{
return array_diff_key($this->parsers, array_flip((array) $excepts));
}
}