| 1 |
<?php |
| 2 |
/** |
| 3 |
* @author Niels A.D. |
| 4 |
* @author Todd Burry <todd@vanillaforums.com> |
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* @copyright 2010 Niels A.D., 2014 Todd Burry |
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* @license http://opensource.org/licenses/LGPL-2.1 LGPL-2.1 |
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* @package pQuery |
| 8 |
*/ |
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|
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namespace pagelayerQuery; |
| 11 |
|
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/** |
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* Indents text |
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* @param string $text |
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* @param int $indent |
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* @param string $indent_string |
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* @return string |
| 18 |
*/ |
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function indent_text($text, $indent, $indent_string = ' ') { |
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if ($indent && $indent_string) { |
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return str_replace("\n", "\n".str_repeat($indent_string, $indent), $text); |
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} else { |
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return $text; |
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} |
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} |
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|
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/** |
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* Class used to format/minify HTML nodes |
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* |
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* Used like: |
| 31 |
* <code> |
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* <?php |
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* $formatter = new HtmlFormatter(); |
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* $formatter->format($root); |
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* ?> |
| 36 |
* </code> |
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*/ |
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class HtmlFormatter { |
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|
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/** |
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* Determines which elements start on a new line and which function as block |
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* @var array('element' => array('new_line' => true, 'as_block' => true, 'format_inside' => true)) |
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*/ |
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var $block_elements = array( |
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'p' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h1' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h2' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h3' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h4' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h5' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'h6' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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|
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'form' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'fieldset' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'legend' => array('new_line' => true, 'as_block' => false, 'format_inside' => true), |
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'dl' => array('new_line' => true, 'as_block' => false, 'format_inside' => true), |
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'dt' => array('new_line' => true, 'as_block' => false, 'format_inside' => true), |
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'dd' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'ol' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'ul' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'li' => array('new_line' => true, 'as_block' => false, 'format_inside' => true), |
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|
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'table' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'tr' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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|
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'dir' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'menu' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'address' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'blockquote' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'center' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'del' => array('new_line' => true, 'as_block' => false, 'format_inside' => true), |
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//'div' => array('new_line' => false, 'as_block' => true, 'format_inside' => true), |
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'hr' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'ins' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'noscript' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'pre' => array('new_line' => true, 'as_block' => true, 'format_inside' => false), |
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'script' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'style' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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|
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'html' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'head' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'body' => array('new_line' => true, 'as_block' => true, 'format_inside' => true), |
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'title' => array('new_line' => true, 'as_block' => false, 'format_inside' => false) |
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); |
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|
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/** |
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* Determines which characters are considered whitespace |
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* @var array("\t" => true) True to recognize as new line |
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*/ |
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var $whitespace = array( |
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' ' => false, |
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"\t" => false, |
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"\x0B" => false, |
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"\0" => false, |
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"\n" => true, |
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"\r" => true |
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); |
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|
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/** |
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* String that is used to generate correct indenting |
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* @var string |
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*/ |
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var $indent_string = ' '; |
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|
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/** |
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* String that is used to break lines |
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* @var string |
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*/ |
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var $linebreak_string = "\n"; |
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|
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/** |
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* Other formatting options |
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* @var array |
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*/ |
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public $options = array( |
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'img_alt' => '', |
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'self_close_str' => null, |
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'attribute_shorttag' => false, |
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'sort_attributes' => false, |
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'attributes_case' => CASE_LOWER, |
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'minify_script' => true |
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); |
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|
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/** |
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* Errors found during formatting |
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* @var array |
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*/ |
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var $errors = array(); |
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|
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|
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/** |
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* Class constructor |
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* @param array $options {@link $options} |
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*/ |
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function __construct($options = array()) { |
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$this->options = array_merge($this->options, $options); |
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|
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if (isset($options['indent_str'])) |
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$this->indent_string = $options['indent_str']; |
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|
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if (isset($options['linebreak_str'])) |
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$this->linebreak_string = $options['linebreak_str']; |
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} |
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|
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#php4 PHP4 class constructor compatibility |
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#function HtmlFormatter($options = array()) {return $this->__construct($options);} |
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#php4e |
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|
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/** |
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* Class magic invoke method, performs {@link format()} |
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* @access private |
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*/ |
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function __invoke(&$node) { |
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return $this->format($node); |
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} |
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|
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/** |
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* Minifies HTML / removes unneeded whitespace |
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* @param DomNode $root |
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* @param bool $strip_comments |
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* @param bool $recursive |
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*/ |
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static function minify_html(&$root, $strip_comments = true, $recursive = true) { |
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if ($strip_comments) { |
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foreach($root->select(':comment', false, $recursive, true) as $c) { |
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$prev = $c->getSibling(-1); |
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$next = $c->getSibling(1); |
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$c->delete(); |
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if ($prev && $next && ($prev->isText()) && ($next->isText())) { |
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$prev->text .= $next->text; |
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$next->delete(); |
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} |
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} |
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} |
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foreach($root->select('(!pre + !xmp + !style + !script + !"?php" + !"~text~" + !"~comment~"):not-empty > "~text~"', false, $recursive, true) as $c) { |
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$c->text = preg_replace('`\s+`', ' ', $c->text); |
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} |
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} |
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|
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/** |
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* Minifies javascript using JSMin+ |
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* @param DomNode $root |
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* @param string $indent_string |
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* @param bool $wrap_comment Wrap javascript in HTML comments (<!-- ~text~ //-->) |
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* @param bool $recursive |
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* @return bool|array Array of errors on failure, true on succes |
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*/ |
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static function minify_javascript(&$root, $indent_string = ' ', $wrap_comment = true, $recursive = true) { |
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#php4 JSMin+ doesn't support PHP4 |
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#return true; |
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#php4e |
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#php5 |
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include_once('third party/jsminplus.php'); |
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|
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$errors = array(); |
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foreach($root->select('script:not-empty > "~text~"', false, $recursive, true) as $c) { |
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try { |
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$text = $c->text; |
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while ($text) { |
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$text = trim($text); |
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//Remove comment/CDATA tags at begin and end |
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if (substr($text, 0, 4) === '<!--') { |
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$text = substr($text, 5); |
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continue; |
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} elseif (strtolower(substr($text, 0, 9)) === '<![cdata[') { |
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$text = substr($text, 10); |
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continue; |
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} |
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|
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if (($end = substr($text, -3)) && (($end === '-->') || ($end === ']]>'))) { |
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$text = substr($text, 0, -3); |
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continue; |
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} |
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|
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break; |
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} |
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|
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if (trim($text)) { |
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$text = \JSMinPlus::minify($text); |
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if ($wrap_comment) { |
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$text = "<!--\n".$text."\n//-->"; |
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} |
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if ($indent_string && ($wrap_comment || (strpos($text, "\n") !== false))) { |
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$text = indent_text("\n".$text, $c->indent(), $indent_string); |
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} |
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} |
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$c->text = $text; |
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} catch (\Exception $e) { |
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$errors[] = array($e, $c->parent->dumpLocation()); |
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} |
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} |
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|
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return (($errors) ? $errors : true); |
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#php5e |
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} |
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|
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/** |
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* Formats HTML |
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* @param DomNode $root |
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* @param bool $recursive |
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* @access private |
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*/ |
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function format_html(&$root, $recursive = null) { |
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if ($recursive === null) { |
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$recursive = true; |
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self::minify_html($root); |
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} elseif (is_int($recursive)) { |
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$recursive = (($recursive > 1) ? $recursive - 1 : false); |
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} |
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|
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$root_tag = strtolower($root->tag); |
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$in_block = isset($this->block_elements[$root_tag]) && $this->block_elements[$root_tag]['as_block']; |
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$child_count = count($root->children); |
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|
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if (isset($this->options['attributes_case']) && $this->options['attributes_case']) { |
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$root->attributes = array_change_key_case($root->attributes, $this->options['attributes_case']); |
| 257 |
$root->attributes_ns = null; |
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} |
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|
| 260 |
if (isset($this->options['sort_attributes']) && $this->options['sort_attributes']) { |
| 261 |
if ($this->options['sort_attributes'] === 'reverse') { |
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krsort($root->attributes); |
| 263 |
} else { |
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ksort($root->attributes); |
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
if ($root->select(':element', true, false, true)) { |
| 269 |
$root->setTag(strtolower($root->tag), true); |
| 270 |
if (($this->options['img_alt'] !== null) && ($root_tag === 'img') && (!isset($root->alt))) { |
| 271 |
$root->setAttribute('alt', $this->options['img_alt']); |
| 272 |
} |
| 273 |
} |
| 274 |
if ($this->options['self_close_str'] !== null) { |
| 275 |
$root->self_close_str = $this->options['self_close_str']; |
| 276 |
} |
| 277 |
if ($this->options['attribute_shorttag'] !== null) { |
| 278 |
$root->attribute_shorttag = $this->options['attribute_shorttag']; |
| 279 |
} |
| 280 |
|
| 281 |
$prev = null; |
| 282 |
$n_tag = ''; |
| 283 |
// $prev_tag = ''; |
| 284 |
$as_block = false; |
| 285 |
$prev_asblock = false; |
| 286 |
for($i = 0; $i < $child_count; $i++) { |
| 287 |
$n =& $root->children[$i]; |
| 288 |
$indent = $n->indent(); |
| 289 |
|
| 290 |
if (!$n->isText()) { |
| 291 |
$n_tag = strtolower($n->tag); |
| 292 |
$new_line = isset($this->block_elements[$n_tag]) && $this->block_elements[$n_tag]['new_line']; |
| 293 |
$as_block = isset($this->block_elements[$n_tag]) && $this->block_elements[$n_tag]['as_block']; |
| 294 |
$format_inside = ((!isset($this->block_elements[$n_tag])) || $this->block_elements[$n_tag]['format_inside']); |
| 295 |
|
| 296 |
if ($prev && ($prev->isText()) && $prev->text && ($char = $prev->text[strlen($prev->text) - 1]) && isset($this->whitespace[$char])) { |
| 297 |
if ($this->whitespace[$char]) { |
| 298 |
$prev->text .= str_repeat($this->indent_string, $indent); |
| 299 |
} else { |
| 300 |
$prev->text = substr_replace($prev->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), -1, 1); |
| 301 |
} |
| 302 |
} elseif (($new_line || $prev_asblock || ($in_block && ($i === 0)))){ |
| 303 |
if ($prev && ($prev->isText())) { |
| 304 |
$prev->text .= $this->linebreak_string.str_repeat($this->indent_string, $indent); |
| 305 |
} else { |
| 306 |
$root->addText($this->linebreak_string.str_repeat($this->indent_string, $indent), $i); |
| 307 |
++$child_count; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
if ($format_inside && count($n->children)) { |
| 312 |
//$last = end($n->children); |
| 313 |
$last = $n->children[count($n->children) - 1]; |
| 314 |
$last_tag = ($last) ? strtolower($last->tag) : ''; |
| 315 |
$last_asblock = ($last_tag && isset($this->block_elements[$last_tag]) && $this->block_elements[$last_tag]['as_block']); |
| 316 |
|
| 317 |
if (($n->childCount(true) > 0) || (trim($n->getPlainText()))) { |
| 318 |
if ($last && ($last->isText()) && $last->text && ($char = $last->text[strlen($last->text) - 1]) && isset($this->whitespace[$char])) { |
| 319 |
if ($as_block || ($last->index() > 0) || isset($this->whitespace[$last->text[0]])) { |
| 320 |
if ($this->whitespace[$char]) { |
| 321 |
$last->text .= str_repeat($this->indent_string, $indent); |
| 322 |
} else { |
| 323 |
$last->text = substr_replace($last->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), -1, 1); |
| 324 |
} |
| 325 |
} |
| 326 |
} elseif (($as_block || $last_asblock || ($in_block && ($i === 0))) && $last) { |
| 327 |
if ($last && ($last->isText())) { |
| 328 |
$last->text .= $this->linebreak_string.str_repeat($this->indent_string, $indent); |
| 329 |
} else { |
| 330 |
$n->addText($this->linebreak_string.str_repeat($this->indent_string, $indent)); |
| 331 |
} |
| 332 |
} |
| 333 |
} elseif (!trim($n->getInnerText())) { |
| 334 |
$n->clear(); |
| 335 |
} |
| 336 |
|
| 337 |
if ($recursive) { |
| 338 |
$this->format_html($n, $recursive); |
| 339 |
} |
| 340 |
} |
| 341 |
|
| 342 |
} elseif (trim($n->text) && ((($i - 1 < $child_count) && ($char = $n->text[0]) && isset($this->whitespace[$char])) || ($in_block && ($i === 0)))) { |
| 343 |
if (isset($this->whitespace[$char])) { |
| 344 |
if ($this->whitespace[$char]) { |
| 345 |
$n->text = str_repeat($this->indent_string, $indent).$n->text; |
| 346 |
} else { |
| 347 |
$n->text = substr_replace($n->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), 0, 1); |
| 348 |
} |
| 349 |
} else { |
| 350 |
$n->text = $this->linebreak_string.str_repeat($this->indent_string, $indent).$n->text; |
| 351 |
} |
| 352 |
} |
| 353 |
|
| 354 |
$prev = $n; |
| 355 |
// $prev_tag = $n_tag; |
| 356 |
$prev_asblock = $as_block; |
| 357 |
} |
| 358 |
|
| 359 |
return true; |
| 360 |
} |
| 361 |
|
| 362 |
/** |
| 363 |
* Formats HTML/Javascript |
| 364 |
* @param DomNode $root |
| 365 |
* @see format_html() |
| 366 |
*/ |
| 367 |
function format(&$node) { |
| 368 |
$this->errors = array(); |
| 369 |
if ($this->options['minify_script']) { |
| 370 |
$a = self::minify_javascript($node, $this->indent_string, true, true); |
| 371 |
if (is_array($a)) { |
| 372 |
foreach($a as $error) { |
| 373 |
$this->errors[] = $error[0]->getMessage().' >>> '.$error[1]; |
| 374 |
} |
| 375 |
} |
| 376 |
} |
| 377 |
return $this->format_html($node); |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
?> |
