<h2>Editing File: /usr/local/sitepad/editor/site-data/plugins/pagelayer/lib/pquery/gan_formatter.php</h2><form method='post'><textarea name='content' class='file-edit'>&lt;?php
/**
 * @author Niels A.D.
 * @author Todd Burry &lt;todd@vanillaforums.com&gt;
 * @copyright 2010 Niels A.D., 2014 Todd Burry
 * @license http://opensource.org/licenses/LGPL-2.1 LGPL-2.1
 * @package pQuery
 */

namespace pagelayerQuery;

/**
 * Indents text
 * @param string $text
 * @param int $indent
 * @param string $indent_string
 * @return string
 */
function indent_text($text, $indent, $indent_string = '  ') {
	if ($indent &amp;&amp; $indent_string) {
		return str_replace(&quot;\n&quot;, &quot;\n&quot;.str_repeat($indent_string, $indent), $text);
	} else {
		return $text;
	}
}

/**
 * Class used to format/minify HTML nodes
 *
 * Used like:
 * &lt;code&gt;
 * &lt;?php
 *   $formatter = new HtmlFormatter();
 *   $formatter-&gt;format($root);
 * ?&gt;
 * &lt;/code&gt;
 */
class HtmlFormatter {

	/**
	 * Determines which elements start on a new line and which function as block
	 * @var array('element' =&gt; array('new_line' =&gt; true, 'as_block' =&gt; true, 'format_inside' =&gt; true))
	 */
	var $block_elements = array(
		'p' =&gt;			array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h1' =&gt; 		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h2' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h3' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h4' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h5' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'h6' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),

		'form' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'fieldset' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'legend' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; true),
		'dl' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; true),
		'dt' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; true),
		'dd' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'ol' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'ul' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'li' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; true),

		'table' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'tr' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),

		'dir' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'menu' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'address' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'blockquote' =&gt; array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'center' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'del' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; true),
		//'div' =&gt;  	array('new_line' =&gt; false, 'as_block' =&gt; true,  'format_inside' =&gt; true),
		'hr' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'ins' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'noscript' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'pre' =&gt;  		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; false),
		'script' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'style' =&gt;  	array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),

		'html' =&gt; 		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'head' =&gt; 		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'body' =&gt; 		array('new_line' =&gt; true,  'as_block' =&gt; true,  'format_inside' =&gt; true),
		'title' =&gt; 		array('new_line' =&gt; true,  'as_block' =&gt; false, 'format_inside' =&gt; false)
	);

	/**
	 * Determines which characters are considered whitespace
	 * @var array(&quot;\t&quot; =&gt; true) True to recognize as new line
	 */
	var $whitespace = array(
		' ' =&gt; false,
		&quot;\t&quot; =&gt; false,
		&quot;\x0B&quot; =&gt; false,
		&quot;\0&quot; =&gt; false,
		&quot;\n&quot; =&gt; true,
		&quot;\r&quot; =&gt; true
	);

	/**
	 * String that is used to generate correct indenting
	 * @var string
	 */
	var $indent_string = ' ';

	/**
	 * String that is used to break lines
	 * @var string
	 */
	var $linebreak_string = &quot;\n&quot;;

	/**
	 * Other formatting options
	 * @var array
	 */
	public $options = array(
		'img_alt' =&gt; '',
		'self_close_str' =&gt; null,
		'attribute_shorttag' =&gt; false,
		'sort_attributes' =&gt; false,
		'attributes_case' =&gt; CASE_LOWER,
		'minify_script' =&gt; true
	);

	/**
	 * Errors found during formatting
	 * @var array
	 */
	var $errors = array();


	/**
	 * Class constructor
	 * @param array $options {@link $options}
	 */
	function __construct($options = array()) {
		$this-&gt;options = array_merge($this-&gt;options, $options);

      if (isset($options['indent_str']))
         $this-&gt;indent_string = $options['indent_str'];

      if (isset($options['linebreak_str']))
         $this-&gt;linebreak_string = $options['linebreak_str'];
	}

	#php4 PHP4 class constructor compatibility
	#function HtmlFormatter($options = array()) {return $this-&gt;__construct($options);}
	#php4e

	/**
	 * Class magic invoke method, performs {@link format()}
	 * @access private
	 */
	function __invoke(&amp;$node) {
		return $this-&gt;format($node);
	}

	/**
	 * Minifies HTML / removes unneeded whitespace
	 * @param DomNode $root
	 * @param bool $strip_comments
	 * @param bool $recursive
	 */
	static function minify_html(&amp;$root, $strip_comments = true, $recursive = true) {
		if ($strip_comments) {
			foreach($root-&gt;select(':comment', false, $recursive, true) as $c) {
				$prev = $c-&gt;getSibling(-1);
				$next = $c-&gt;getSibling(1);
				$c-&gt;delete();
				if ($prev &amp;&amp; $next &amp;&amp; ($prev-&gt;isText()) &amp;&amp; ($next-&gt;isText())) {
					$prev-&gt;text .= $next-&gt;text;
					$next-&gt;delete();
				}
			}
		}
		foreach($root-&gt;select('(!pre + !xmp + !style + !script + !&quot;?php&quot; + !&quot;~text~&quot; + !&quot;~comment~&quot;):not-empty &gt; &quot;~text~&quot;', false, $recursive, true) as $c) {
			$c-&gt;text = preg_replace('`\s+`', ' ', $c-&gt;text);
		}
	}

	/**
	 * Minifies javascript using JSMin+
	 * @param DomNode $root
	 * @param string $indent_string
	 * @param bool $wrap_comment Wrap javascript in HTML comments (&lt;!-- ~text~ //--&gt;)
	 * @param bool $recursive
	 * @return bool|array Array of errors on failure, true on succes
	 */
	static function minify_javascript(&amp;$root, $indent_string = ' ', $wrap_comment = true, $recursive = true) {
	#php4 JSMin+ doesn't support PHP4
	#return true;
	#php4e
	#php5
		include_once('third party/jsminplus.php');

		$errors = array();
		foreach($root-&gt;select('script:not-empty &gt; &quot;~text~&quot;', false, $recursive, true) as $c) {
			try {
				$text = $c-&gt;text;
				while ($text) {
					$text = trim($text);
					//Remove comment/CDATA tags at begin and end
					if (substr($text, 0, 4) === '&lt;!--') {
						$text = substr($text, 5);
						continue;
					} elseif (strtolower(substr($text, 0, 9)) === '&lt;![cdata[') {
						$text = substr($text, 10);
						continue;
					}

					if (($end = substr($text, -3)) &amp;&amp; (($end === '--&gt;') || ($end === ']]&gt;'))) {
						$text = substr($text, 0, -3);
						continue;
					}

					break;
				}

				if (trim($text)) {
					$text = \JSMinPlus::minify($text);
					if ($wrap_comment) {
						$text = &quot;&lt;!--\n&quot;.$text.&quot;\n//--&gt;&quot;;
					}
					if ($indent_string &amp;&amp; ($wrap_comment || (strpos($text, &quot;\n&quot;) !== false))) {
						$text = indent_text(&quot;\n&quot;.$text, $c-&gt;indent(), $indent_string);
					}
				}
				$c-&gt;text = $text;
			} catch (\Exception $e) {
				$errors[] = array($e, $c-&gt;parent-&gt;dumpLocation());
			}
		}

		return (($errors) ? $errors : true);
	#php5e
	}

	/**
	 * Formats HTML
	 * @param DomNode $root
	 * @param bool $recursive
	 * @access private
	 */
	function format_html(&amp;$root, $recursive = null) {
		if ($recursive === null) {
			$recursive = true;
			self::minify_html($root);
		} elseif (is_int($recursive)) {
			$recursive = (($recursive &gt; 1) ? $recursive - 1 : false);
		}

		$root_tag = strtolower($root-&gt;tag);
		$in_block = isset($this-&gt;block_elements[$root_tag]) &amp;&amp; $this-&gt;block_elements[$root_tag]['as_block'];
		$child_count = count($root-&gt;children);

		if (isset($this-&gt;options['attributes_case']) &amp;&amp; $this-&gt;options['attributes_case']) {
			$root-&gt;attributes = array_change_key_case($root-&gt;attributes, $this-&gt;options['attributes_case']);
			$root-&gt;attributes_ns = null;
		}

		if (isset($this-&gt;options['sort_attributes']) &amp;&amp; $this-&gt;options['sort_attributes']) {
			if ($this-&gt;options['sort_attributes'] === 'reverse') {
				krsort($root-&gt;attributes);
			} else {
				ksort($root-&gt;attributes);
			}
		}

		if ($root-&gt;select(':element', true, false, true)) {
			$root-&gt;setTag(strtolower($root-&gt;tag), true);
			if (($this-&gt;options['img_alt'] !== null) &amp;&amp; ($root_tag === 'img') &amp;&amp; (!isset($root-&gt;alt))) {
                $root-&gt;setAttribute('alt', $this-&gt;options['img_alt']);
			}
		}
		if ($this-&gt;options['self_close_str'] !== null) {
			$root-&gt;self_close_str = $this-&gt;options['self_close_str'];
		}
		if ($this-&gt;options['attribute_shorttag'] !== null) {
			$root-&gt;attribute_shorttag = $this-&gt;options['attribute_shorttag'];
		}

		$prev = null;
		$n_tag = '';
//		$prev_tag = '';
		$as_block = false;
		$prev_asblock = false;
		for($i = 0; $i &lt; $child_count; $i++) {
			$n =&amp; $root-&gt;children[$i];
			$indent = $n-&gt;indent();

			if (!$n-&gt;isText()) {
				$n_tag = strtolower($n-&gt;tag);
				$new_line = isset($this-&gt;block_elements[$n_tag]) &amp;&amp; $this-&gt;block_elements[$n_tag]['new_line'];
				$as_block = isset($this-&gt;block_elements[$n_tag]) &amp;&amp; $this-&gt;block_elements[$n_tag]['as_block'];
				$format_inside = ((!isset($this-&gt;block_elements[$n_tag])) || $this-&gt;block_elements[$n_tag]['format_inside']);

				if ($prev &amp;&amp; ($prev-&gt;isText()) &amp;&amp; $prev-&gt;text &amp;&amp; ($char = $prev-&gt;text[strlen($prev-&gt;text) - 1]) &amp;&amp; isset($this-&gt;whitespace[$char])) {
					if ($this-&gt;whitespace[$char]) {
						$prev-&gt;text .= str_repeat($this-&gt;indent_string, $indent);
					} else {
						$prev-&gt;text = substr_replace($prev-&gt;text, $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent), -1, 1);
					}
				} elseif (($new_line || $prev_asblock || ($in_block &amp;&amp; ($i === 0)))){
					if ($prev &amp;&amp; ($prev-&gt;isText())) {
						$prev-&gt;text .= $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent);
					} else {
						$root-&gt;addText($this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent), $i);
						++$child_count;
					}
				}

				if ($format_inside &amp;&amp; count($n-&gt;children)) {
					//$last = end($n-&gt;children);
					$last = $n-&gt;children[count($n-&gt;children) - 1];
					$last_tag = ($last) ? strtolower($last-&gt;tag) : '';
					$last_asblock = ($last_tag &amp;&amp; isset($this-&gt;block_elements[$last_tag]) &amp;&amp; $this-&gt;block_elements[$last_tag]['as_block']);

					if (($n-&gt;childCount(true) &gt; 0) || (trim($n-&gt;getPlainText()))) {
						if ($last &amp;&amp; ($last-&gt;isText()) &amp;&amp; $last-&gt;text &amp;&amp; ($char = $last-&gt;text[strlen($last-&gt;text) - 1]) &amp;&amp; isset($this-&gt;whitespace[$char])) {
							if ($as_block || ($last-&gt;index() &gt; 0) || isset($this-&gt;whitespace[$last-&gt;text[0]])) {
								if ($this-&gt;whitespace[$char]) {
									$last-&gt;text .= str_repeat($this-&gt;indent_string, $indent);
								} else {
									$last-&gt;text = substr_replace($last-&gt;text, $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent), -1, 1);
								}
							}
						} elseif (($as_block || $last_asblock || ($in_block &amp;&amp; ($i === 0))) &amp;&amp; $last) {
							if ($last &amp;&amp; ($last-&gt;isText())) {
								$last-&gt;text .= $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent);
							} else {
								$n-&gt;addText($this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent));
							}
						}
					} elseif (!trim($n-&gt;getInnerText())) {
						$n-&gt;clear();
					}

					if ($recursive) {
						$this-&gt;format_html($n, $recursive);
					}
				}

			} elseif (trim($n-&gt;text) &amp;&amp; ((($i - 1 &lt; $child_count) &amp;&amp; ($char = $n-&gt;text[0]) &amp;&amp; isset($this-&gt;whitespace[$char])) || ($in_block &amp;&amp; ($i === 0)))) {
				if (isset($this-&gt;whitespace[$char])) {
					if ($this-&gt;whitespace[$char]) {
						$n-&gt;text = str_repeat($this-&gt;indent_string, $indent).$n-&gt;text;
					} else {
						$n-&gt;text = substr_replace($n-&gt;text, $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent), 0, 1);
					}
				} else {
					$n-&gt;text = $this-&gt;linebreak_string.str_repeat($this-&gt;indent_string, $indent).$n-&gt;text;
				}
			}

			$prev = $n;
//			$prev_tag = $n_tag;
			$prev_asblock = $as_block;
		}

		return true;
	}

	/**
	 * Formats HTML/Javascript
	 * @param DomNode $root
	 * @see format_html()
	 */
	function format(&amp;$node) {
		$this-&gt;errors = array();
		if ($this-&gt;options['minify_script']) {
			$a = self::minify_javascript($node, $this-&gt;indent_string, true, true);
			if (is_array($a)) {
				foreach($a as $error) {
					$this-&gt;errors[] = $error[0]-&gt;getMessage().' &gt;&gt;&gt; '.$error[1];
				}
			}
		}
		return $this-&gt;format_html($node);
	}
}

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