uccode.class.php

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<?php

/*
	[UCenter] (C)2001-2008 Comsenz Inc.
	This is NOT a freeware, use is subject to license terms

	$Id: uccode.class.php 12126 2008-01-11 09:40:32Z heyond $
*/

class uccode {
	var $uccodes;

	function uccode() {
		$this->uccode = array(
			'pcodecount' => -1,
			'codecount' => 0,
			'codehtml' => ''
		);
	}

	function codedisp($code) {
		$this->uccode['pcodecount']++;
		$code = str_replace('\\"', '"', preg_replace("/^[\n\r]*(.+?)[\n\r]*$/is", "\\1", $code));
		$this->uccode['codehtml'][$this->uccode['pcodecount']] = $this->tpl_codedisp($code);
		$this->uccode['codecount']++;
		return "[\tUCENTER_CODE_".$this->uccode[pcodecount]."\t]";
	}

	function complie($message) {
		$message = htmlspecialchars($message);
		if(strpos($message, '[/code]') !== FALSE) {
			$message = preg_replace("/\s*\[code\](.+?)\[\/code\]\s*/ies", "\$this->codedisp('\\1')", $message);
		}
		if(strpos($message, '[/url]') !== FALSE) {
			$message = preg_replace("/\[url(=((https?|ftp|gopher|news|telnet|rtsp|mms|callto|bctp|ed2k|thunder|synacast){1}:\/\/|www\.)([^\[\"']+?))?\](.+?)\[\/url\]/ies", "\$this->parseurl('\\1', '\\5')", $message);
		}
		if(strpos($message, '[/email]') !== FALSE) {
			$message = preg_replace("/\[email(=([a-z0-9\-_.+]+)@([a-z0-9\-_]+[.][a-z0-9\-_.]+))?\](.+?)\[\/email\]/ies", "\$this->parseemail('\\1', '\\4')", $message);
		}
		$message = str_replace(array(
			'[/color]', '[/size]', '[/font]', '[/align]', '[b]', '[/b]',
			'[i]', '[/i]', '[u]', '[/u]', '[list]', '[list=1]', '[list=a]',
			'[list=A]', '[*]', '[/list]', '[indent]', '[/indent]', '[/float]'
		), array(
			'</font>', '</font>', '</font>', '</p>', '<strong>', '</strong>', '<i>',
			'</i>', '<u>', '</u>', '<ul>', '<ul type="1">', '<ul type="a">',
			'<ul type="A">', '<li>', '</ul>', '<blockquote>', '</blockquote>', '</span>'
		), preg_replace(array(
			"/\[color=([#\w]+?)\]/i",
			"/\[size=(\d+?)\]/i",
			"/\[size=(\d+(\.\d+)?(px|pt|in|cm|mm|pc|em|ex|%)+?)\]/i",
			"/\[font=([^\[\<]+?)\]/i",
			"/\[align=(left|center|right)\]/i",
			"/\[float=(left|right)\]/i"
		), array(
			"<font color=\"\\1\">",
			"<font size=\"\\1\">",
			"<font style=\"font-size: \\1\">",
			"<font face=\"\\1 \">",
			"<p align=\"\\1\">",
			"<span style=\"float: \\1;\">"
		), $message));
		if(strpos($message, '[/quote]') !== FALSE) {
			$message = preg_replace("/\s*\[quote\][\n\r]*(.+?)[\n\r]*\[\/quote\]\s*/is", $this->tpl_quote(), $message);
		}
		if(strpos($message, '[/img]') !== FALSE) {
			$message = preg_replace(array(
				"/\[img\]\s*([^\[\<\r\n]+?)\s*\[\/img\]/ies",
				"/\[img=(\d{1,4})[x|\,](\d{1,4})\]\s*([^\[\<\r\n]+?)\s*\[\/img\]/ies"
			), array(
				"\$this->bbcodeurl('\\1', '<img src=\"%s\" border=\"0\" onclick=\"zoom(this, this.src)\" onload=\"attachimg(this, \'load\')\" alt=\"\" />')",
				"\$this->bbcodeurl('\\3', '<img width=\"\\1\" height=\"\\2\" src=\"%s\" border=\"0\" alt=\"\" />')"
			), $message);
		}
		for($i = 0; $i <= $this->uccode['pcodecount']; $i++) {
			$message = str_replace("[\tUCENTER_CODE_$i\t]", $this->uccode['codehtml'][$i], $message);
		}
		return nl2br(str_replace(array("\t", '   ', '  '), array('&nbsp; &nbsp; &nbsp; &nbsp; ', '&nbsp; &nbsp;', '&nbsp;&nbsp;'), $message));
	}

	function parseurl($url, $text) {
		if(!$url && preg_match("/((https?|ftp|gopher|news|telnet|rtsp|mms|callto|bctp|ed2k|thunder|synacast){1}:\/\/|www\.)[^\[\"']+/i", trim($text), $matches)) {
			$url = $matches[0];
			$length = 65;
			if(strlen($url) > $length) {
				$text = substr($url, 0, intval($length * 0.5)).' ... '.substr($url, - intval($length * 0.3));
			}
			return '<a href="'.(substr(strtolower($url), 0, 4) == 'www.' ? 'http://'.$url : $url).'" target="_blank">'.$text.'</a>';
		} else {
			$url = substr($url, 1);
			if(substr(strtolower($url), 0, 4) == 'www.') {
				$url = 'http://'.$url;
			}
			return '<a href="'.$url.'" target="_blank">'.$text.'</a>';
		}
	}

	function parseemail($email, $text) {
		if(!$email && preg_match("/\s*([a-z0-9\-_.+]+)@([a-z0-9\-_]+[.][a-z0-9\-_.]+)\s*/i", $text, $matches)) {
			$email = trim($matches[0]);
			return '<a href="mailto:'.$email.'">'.$email.'</a>';
		} else {
			return '<a href="mailto:'.substr($email, 1).'">'.$text.'</a>';
		}
	}

	function bbcodeurl($url, $tags) {
		if(!preg_match("/<.+?>/s", $url)) {
			if(!in_array(strtolower(substr($url, 0, 6)), array('http:/', 'https:', 'ftp://', 'rtsp:/', 'mms://'))) {
				$url = 'http://'.$url;
			}
			return str_replace(array('submit', 'logging.php'), array('', ''), sprintf($tags, $url, addslashes($url)));
		} else {
			return '&nbsp;'.$url;
		}
	}

	function tpl_codedisp($code) {
		return '<div class="blockcode"><code id="code'.$this->uccodes['codecount'].'">'.$code.'</code></div>';
	}

	function tpl_quote() {
		return '<div class="quote"><blockquote>\\1</blockquote></div>';
	}
}

/*

Usage:
$str = <<<EOF
1
2
3
EOF;
require_once 'lib/uccode.class.php';
$this->uccode = new uccode();
echo $this->uccode->complie($str);

*/

?>