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NEXT_TAG_MUST_BE
TAGS_ONLY_CONTENT
REMOVE_EMPTY
ATTRIBUTE_IS_URL
EQUALS_IS_URL
NO_PARSE
FILTER_CONTENT
FILTER_EQUALS
FILTER_ATTRIBUTE
BLOCK_LEVEL
ADD_PARENT_IF_MISSING
REMOVE_EXTRA_CLOSING

----

b
 REMOVE_EMPTY
code
 NO_PARSE
 BLOCK_LEVEL
color
 FILTER_EQUALS
 search: '~\[color=(?:#[\da-fA-F]{3}|#[\da-fA-F]{6}|[A-Za-z]{1,20}|rgb\(\d{1,3}, ?\d{1,3}, ?\d{1,3}\))\]\s*\[/color\]~'
 replace: ''
li
 ADD_PARENT_IF_MISSING
 list
list
 BLOCK_LEVEL
 TAGS_ONLY_CONTENT
 NEXT_TAG_MUST_BE
 li
nobbc
 NO_PARSE
quote
 BLOCK_LEVEL
 REMOVE_EXTRA_CLOSING
 REMOVE_EMPTY
 ATTRIBUTES
 link
 ATTRIBUTE_IS_URL
s
 REMOVE_EMPTY
table
 BLOCK_LEVEL
 TAGS_ONLY_CONTENT
 NEXT_TAG_MUST_BE
 tr
td
 BLOCK_LEVEL
 ADD_PARENT_IF_MISSING
 tr
th
 BLOCK_LEVEL
 ADD_PARENT_IF_MISSING
 tr
tr
 BLOCK_LEVEL
 TAGS_ONLY_CONTENT
 NEXT_TAG_MUST_BE
 td
 th
 ADD_PARENT_IF_MISSING
 table
url
 EQUALS_IS_URL

<?php

namespace BBC;

class ParserWrapper
{
	protected $disabled = array();
	protected $codes;
	protected $bbc_parser;
	protected $smiley_parser;
	protected $html_parser;
	protected $autolink_parser;
	
	protected static $instance;

	public static function getInstance()
	{

	}

	protected function checkLoad()
	{
		global $modSettings, $context;

		if (!empty($modSettings['bbc']) && $modSettings['current_load'] >= $modSettings['bbc'])
		{
			$context['disabled_parse_bbc'] = true;
			return false;
		}
		
		return true;
	}

	protected function isEnabled()
	{
		return empty($modSettings['enableBBC']);
	}
	
	public function enableSmileys($toggle)
	{
		$this->smileys_enabled = (bool) $toggle;
		return $this;
	}
	
	protected function getParsersByArea($area)
	{
		$parsers = array(
			'bbc' => false,
			'smiley' => false,
		);

		// First see if any hooks set a parser.
		foreach ($parsers as $parser_type => &$parser)
		{
			call_integration_hook('integrate_' . $area . '_' . $parser_type . '_parser', array(&$parser, $this));
		
			// If not, use the default one
			if ($parser === false)
			{
				$parser = call_user_func(array($this, 'get' . ucfirst($parser_type) . 'Parser'));
			}
		}
		
		return $parsers;
	}
	
	public function getMessageParsers()
	{
		return $this->getParsersByArea('message');
	}
	
	public function getSignatureParser()
	{
		return $this->getParsersByArea('signature');
	}
	
	public function getNewsParser()
	{
		return $this->getParsersByArea('news');
	}
	
	protected function parse($area, $string)
	{
		global $modSettings;
		
		// If the load average is too high, don't parse the BBC.
		if (!$this->checkLoad())
		{
			return $message;
		}

		$parsers = $this->getParsersByArea($area);

		if (!$this->isEnabled())
		{
			if ($this->smileys_enabled)
			{
				$parsers['smiley']->parse($message);
			}

			return $message;
		}

		$message = $parsers['bbc']->parse($message);

		if ($smileys_enabled)
		{
			$parsers['smiley']->parse($message);
		}

		return $message;
	}
	
	public function parseMessage($message, $smileys_enabled)
	{
		return $this->enableSmileys($smileys_enabled)->parse('message', $message);
	}

	public function parseSignature($signature, $smileys_enabled)
	{
		return $this->enableSmileys($smileys_enabled)->parse('signature', $signature);
	}
	
	public function parseNews($news)
	{
		return $this->enableSmileys(true)->parse('news', $news);
	}
	
	public function parseEmail($message)
	{
		return $this->enableSmileys(false)->parse('email', $message);
	}
	
	public function parseCustomFields($field)
	{
		return $this->enableSmileys(true)->parse('customfields', $field);
	}
	
	public function parsePoll($field)
	{
		return $this->enableSmileys(true)->parse('poll', $field);
	}
	
	public function parseAgreement($agreement)
	{
		return $this->enableSmileys(true)->parse('agreement', $agreement);
	}
	
	public function parsePM($message)
	{
		return $this->enableSmileys(true)->parse('pm', $message);
	}
	
	public function parseReport($report)
	{
		return $this->enableSmileys(true)->parse('report', $report);
	}
	
	// $modSettings['disabledBBC']
	public function setDisabled(array $disabled)
	{
		foreach ($disabled as $tag)
		{
			$this->disabled[trim($tag)] = true;
		}
		
		return $this;
	}

	public function getCodes()
	{
		global $modSettings;

		if ($this->codes === null)
		{
			require_once(SUBSDIR . '/BBC/Codes.class.php');
			$this->codes = new \BBC\Codes(array(), $this->disabled);
		}

		return $this->codes;
	}

		
	public function getBBCParser()
	{
		if ($this->bbc_parser === null)
		{
			require_once(SUBSDIR . '/BBC/BBCParser.class.php');
			$this->bbc_parser = new \BBC\BBCParser($this->getBBCCodes(), $this->getAutolinkParser());
		}

		return $this->bbc_parser;
	}	

	public function getAutolinkParser()
	{
		if ($this->autolink_parser === null)
		{
			require_once(SUBSDIR . '/BBC/Autolink.class.php');
			$this->autolink_parser = new \BBC\Autolink($this->getBBCCodes());
		}

		return $this->autolink_parser;
	}

	public function getSmileyParser()
	{
		if ($this->smiley_parser === null)
		{
			require_once(SUBSDIR . '/BBC/SmileyParser.class.php');
			$this->smiley_parser = new \BBC\SmileyParser;
		}

		return $this->smiley_parser;
	}

	public function getHtmlParser()
	{
		if ($this->html_parser === null)
		{
			require_once(SUBSDIR . '/BBC/HtmlParser.class.php');
			$this->html_parser = new \BBC\HtmlParser;
		}

		return $this->html_parser;
	}
}