CSocNetTextParser::convert

function convert($text, $bPreview = True, $arImages = array(), $allow = array("HTML" => "N", "ANCHOR" => "Y", "BIU" => "Y", "IMG" => "Y", "QUOTE" => "Y", "CODE" => "Y", "FONT" => "Y", "LIST" => "Y", "SMILES" => "Y", "NL2BR" => "N", "VIDEO" => "Y"), $type = "html")	//, "KEEP_AMP" => "N"
{
	global $DB;

	$text = preg_replace("#([?&;])PHPSESSID=([0-9a-zA-Z]{32})#is", "\1PHPSESSID1=", $text);
	$type = ($type == "rss" ? "rss" : "html");

	$this->quote_error = 0;
	$this->quote_open = 0;
	$this->quote_closed = 0;
	$this->code_error = 0;
	$this->code_open = 0;
	$this->code_closed = 0;
	if ($allow["HTML"] != "Y")
	{
		if ($allow["CODE"]=="Y")
		{
			$text = str_replace(array("01", "02", chr(5), chr(6), "'", """), array("", "", "", "", chr(5), chr(6)), $text);
			$text = preg_replace(
				array(
					"#]*>|>)(.+?)]*>|>)#is".BX_UTF_PCRE_MODIFIER,
					"/[code([^]])*]/is".BX_UTF_PCRE_MODIFIER,
					"/[/code([^]])*]/is".BX_UTF_PCRE_MODIFIER),
				array(
					"[code]\2[/code]",
					"01",
					"02",
				),
				$text
			);
			$this->matchNum = 2;
			$text = preg_replace_callback(
				"/(?<=[01])(([^02]+))(?=([02]))/is".BX_UTF_PCRE_MODIFIER, 
				array($this, "pre_convert_code_tag_callback"), 
				$text
			);
			$text = preg_replace(
				array(
					"/01/",
					"/02/"),
				array(
					"[code]",
					"[/code]"
				), $text
			);
			$text = str_replace(array(chr(5), chr(6)), array("'", """), $text);
		}
		if ($allow["ANCHOR"]=="Y")
		{
			$text = preg_replace(
				array(
					"#]+hrefs*=s*["]+(([^"])+)["]+[^>]*>(.+?)]*>#is".BX_UTF_PCRE_MODIFIER,
					"#]+hrefs*=s*[']+(([^'])+)[']+[^>]*>(.+?)]*>#is".BX_UTF_PCRE_MODIFIER,
					"#]+hrefs*=s*(([^'">])+)>(.+?)]*>#is".BX_UTF_PCRE_MODIFIER),
				"[url=\1]\3[/url]", $text);
		}
		if ($allow["BIU"]=="Y")
		{
			$text = preg_replace(
				array(
					"/]*)>(.+?)]*)>/is".BX_UTF_PCRE_MODIFIER,
					"/]*)>(.+?)]*)>/is".BX_UTF_PCRE_MODIFIER,
					"/a-z]*)>(.+?)a-z]*)>/is".BX_UTF_PCRE_MODIFIER,
					"/]*)>(.+?)]*)>/is".BX_UTF_PCRE_MODIFIER),
				array(
					"[b]\2[/b]",
					"[u]\2[/u]",
					"[s]\2[/s]",
					"[i]\2[/i]"),
				$text);
		}
		if ($allow["IMG"]=="Y")
		{
			$text = preg_replace(
				"#]+srcs*=[s"']*(((http|https|ftp)://[.-_:a-z0-9@]+)*(/[-_/=:.a-z0-9@{}&?%]+)+)[s"']*[^>]*>#is".BX_UTF_PCRE_MODIFIER,
				"[img]\1[/img]", $text);
		}
		if ($allow["QUOTE"]=="Y")
		{
			//$text = preg_replace("#((.*))#is", "[quote]\3[/quote]", $text);
			$text = preg_replace("#<(/?)quote(.*?)>#is", "[\1quote]", $text);
		}
		if ($allow["FONT"]=="Y")
		{
			$text = preg_replace(
				array(
					"/]+sizes*=[s"']*([0-9]+)[s"']*[^>]*>(.+?)]*>/is".BX_UTF_PCRE_MODIFIER,
					"/]+colors*=[s"']*(#[a-f0-9]{6})[^>]*>(.+?)]*>/is".BX_UTF_PCRE_MODIFIER,
					"/]+faces*=[s"']*([a-zs-]+)[s"']*[^>]*>(.+?)]*>/is".BX_UTF_PCRE_MODIFIER),
				array(
					"[size=\1]\2[/size]",
					"[color=\1]\2[/color]",
					"[font=\1]\2[/font]"),
				$text);
		}
		if ($allow["LIST"]=="Y")
		{
			$text = preg_replace(
				array(
					"/]*)|(s*))>(.+?)]*)>/is".BX_UTF_PCRE_MODIFIER,
					"/]*)|(s*))>/is".BX_UTF_PCRE_MODIFIER),
				array(
					"[list]\4[/list]",
					"[*]"),
				$text);
		}
		if ($text <> '')
		{
			$text = str_replace(
				array("<", ">", """),
				array("<", ">", """),
				$text);
		}
	}
	elseif ($allow["NL2BR"]=="Y")
	{
		$text = str_replace("n", "
", $text);
	}


	if ($allow["ANCHOR"]=="Y")
	{
		$word_separator = str_replace("]", "", $this->word_separator);
		$text = preg_replace("'(?<=^|[".$word_separator."]|s)((http|https|news|ftp|aim|mailto)://[.-_:a-z0-9@]([^"s'[]{}()])*)'is",
			"[url]\1[/url]", $text);
	}
	if ($allow["CODE"] == "Y")
	{
		$text = preg_replace(
			array(
				"/[code([^]])*]/is".BX_UTF_PCRE_MODIFIER,
				"/[/code([^]])*]/is".BX_UTF_PCRE_MODIFIER
			),
			array(
				"01",
				"02"
			), 
			$text
		);
		$this->matchNum = 2;
		$this->matchType = $type;
		$text = preg_replace_callback(
			"/(01)([^02]+)(02)/is".BX_UTF_PCRE_MODIFIER, 
			array($this, "convert_code_tag_callback"), 
			$text
		);
		$text = preg_replace(
			array(
				"/01/",
				"/02/"
			),
			array(
				"[code]",
				"[/code]"
			), 
			$text
		);			
	}
	if ($allow["QUOTE"] == "Y")
	{
		$this->matchNum = 1;
		$this->matchType = $type;
		$text = preg_replace_callback(
			"#([quote([^]])*](.*)[/quote([^]])*])#is", 
			array($this, "convert_quote_tag_callback"),
			$text
		);			
	}
	if ($allow["IMG"]=="Y")
	{
		$this->matchNum = 1;
		$this->matchType = $type;
		$text = preg_replace_callback(
			"#[img](.+?)[/img]#i",
			array($this, "convert_image_tag_callback"),
			$text
		);
	}
	if ($allow["ANCHOR"] == "Y")
	{
		$this->matchNum = 1;
		$this->matchNum2 = 1;
		$text = preg_replace_callback(
			"/[url]([^]]+?)[/url]/i".BX_UTF_PCRE_MODIFIER,
			array($this, "convert_anchor_tag_callback"),
			$text
		);
		$this->matchNum = 1;
		$this->matchNum2 = 2;
		$text = preg_replace_callback(
			"/[urls*=s*([^]]+?)s*](.*?)[/url]/i".BX_UTF_PCRE_MODIFIER,
			array($this, "convert_anchor_tag_callback"),
			$text
		);
	}
	if ($allow["BIU"]=="Y")
	{
		$text = preg_replace(
			array(
				"/[b](.+?)[/b]/is".BX_UTF_PCRE_MODIFIER,
				"/[i](.+?)[/i]/is".BX_UTF_PCRE_MODIFIER,
				"/[s](.+?)[/s]/is".BX_UTF_PCRE_MODIFIER,
				"/[u](.+?)[/u]/is".BX_UTF_PCRE_MODIFIER),
			array(
				"\1",
				"\1",
				"\1",
				"\1"), $text);
	}
	if ($allow["LIST"]=="Y")
	{
		$text = preg_replace(
			array(
				"/[list](.+?)[/list]/is".BX_UTF_PCRE_MODIFIER,
				"/[*]/".BX_UTF_PCRE_MODIFIER),
			array(
				"
\1
",
				"
"),
			$text);
	}
	if ($allow["FONT"]=="Y")
	{
		while (preg_match("/[sizes*=s*([^]]+)](.+?)[/size]/is".BX_UTF_PCRE_MODIFIER, $text))
		{
			$this->matchNum = 1;
			$this->matchNum2 = 2;
			$this->matchType = 'size';
			$text = preg_replace_callback(
				"/[sizes*=s*([^]]+)](.+?)[/size]/is".BX_UTF_PCRE_MODIFIER, 
				array($this, "convert_font_attr_callback"),
				$text
			);				
		}
		while (preg_match("/[fonts*=s*([^]]+)](.*?)[/font]/is".BX_UTF_PCRE_MODIFIER, $text))
		{
			$this->matchNum = 1;
			$this->matchNum2 = 2;
			$this->matchType = 'font';
			$text = preg_replace_callback(
				"/[fonts*=s*([^]]+)](.*?)[/font]/is".BX_UTF_PCRE_MODIFIER,
				array($this, "convert_font_attr_callback"),
				$text
			);
		}
		while (preg_match("/[colors*=s*([^]]+)](.+?)[/color]/is".BX_UTF_PCRE_MODIFIER, $text))
		{
			$this->matchNum = 1;
			$this->matchNum2 = 2;
			$this->matchType = 'color';
			$text = preg_replace_callback(
				"/[colors*=s*([^]]+)](.+?)[/color]/is".BX_UTF_PCRE_MODIFIER, 
				array($this, "convert_font_attr_callback"),
				$text
			);
		}
	}

	$text = str_replace(
		array(
			"(c)", "(C)",
			"(tm)", "(TM)", "(Tm)", "(tM)",
			"(r)", "(R)",
			"n"
		),
		array(
			"©", "©",
			"™", "™", "™", "™",
			"®", "®",
			"
"
		), 
		$text
	);
	if ($this->MaxStringLen > 0)
	{
		$this->matchNum = 1;
		$text = preg_replace_callback(
			"/(?<=^|>)([^<]+)(?=<|$)/is".BX_UTF_PCRE_MODIFIER, 
			array($this, "part_long_words_callback"),
			$text
		);
	}
	if ($allow["SMILES"]=="Y")
	{
		if (
			is_array($this->smiles)
			&& !empty($this->smiles)
		)
		{
			if ($this->path_to_smile !== false)
			{
				$path_to_smile = $this->path_to_smile;
			}
			else
			{
				$path_to_smile = "/bitrix/images/socialnetwork/smile/";
			}

			$arSmiles = array();
			$arQuoted = array();
			foreach ($this->smiles as $a_id => $row)
			{
				if($row["TYPING"] == '' || $row["IMAGE"] == '')
					continue;
				$typing = htmlspecialcharsbx($row["TYPING"]);
				$arSmiles[$typing] = '';
				$arQuoted[] = preg_quote($typing, "/");
			}
			$ar = preg_split("/(?<=[s>])(".implode("|", $arQuoted).")/".BX_UTF_PCRE_MODIFIER, " ".$text, -1, PREG_SPLIT_DELIM_CAPTURE);
			$text = "";
			foreach($ar as $piece)
			{
				if(array_key_exists($piece, $arSmiles))
					$text .= $arSmiles[$piece];
				else
					$text .= $piece;
			}
		}
	}
	if (($allow["VIDEO"] ?? null) === "Y")
	{
		while (preg_match("/[video(.+?)](.+?)[/video[s]*]/is".BX_UTF_PCRE_MODIFIER, $text))
		{
			$this->matchNum = 1;
			$this->matchNum2 = 2;
			$text = preg_replace_callback(
				"/[video([^]]*)](.+?)[/video[s]*]/is".BX_UTF_PCRE_MODIFIER,
				array($this, "convert_video_callback"),
				$text
			);
		}
	}
	return trim($text);
}