383 lines
13 KiB
PHP
383 lines
13 KiB
PHP
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<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
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/**
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* @author Niels A.D.
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* @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
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*/
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namespace MailPoetVendor\pQuery;
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if (!defined('ABSPATH')) exit;
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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 $indent_string
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* @return string
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*/
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function indent_text($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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* Class used to format/minify HTML nodes
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*
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* Used like:
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* <code>
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* <?php
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* $formatter = new HtmlFormatter();
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* $formatter->format($root);
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* ?>
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* </code>
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*/
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class HtmlFormatter {
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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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'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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'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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'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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'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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* 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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* 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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* 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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* 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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* 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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* 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, $options);
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if (isset($options['indent_str']))
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$this->indent_string = $options['indent_str'];
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if (isset($options['linebreak_str']))
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$this->linebreak_string = $options['linebreak_str'];
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}
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#php4 PHP4 class constructor compatibility
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#function HtmlFormatter($options = array()) {return $this->__construct($options);}
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#php4e
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/**
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* 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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* 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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* 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, $recursive = true) {
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#php4 JSMin+ doesn't support PHP4
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#return true;
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#php4e
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#php5
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include_once('third_party/jsminplus.php');
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$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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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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break;
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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, $c->parent->dumpLocation());
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}
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}
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return (($errors) ? $errors : true);
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#php5e
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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) ? $recursive - 1 : false);
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}
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$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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if (isset($this->options['attributes_case']) && $this->options['attributes_case']) {
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$root->attributes = array_change_key_case($root->attributes, $this->options['attributes_case']);
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$root->attributes_ns = null;
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}
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if (isset($this->options['sort_attributes']) && $this->options['sort_attributes']) {
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if ($this->options['sort_attributes'] === 'reverse') {
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krsort($root->attributes);
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} else {
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ksort($root->attributes);
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}
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}
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if ($root->select(':element', true, false, true)) {
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$root->setTag(strtolower($root->tag), true);
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if (($this->options['img_alt'] !== null) && ($root_tag === 'img') && (!isset($root->alt))) {
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$root->setAttribute('alt', $this->options['img_alt']);
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}
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}
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if ($this->options['self_close_str'] !== null) {
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$root->self_close_str = $this->options['self_close_str'];
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}
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if ($this->options['attribute_shorttag'] !== null) {
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$root->attribute_shorttag = $this->options['attribute_shorttag'];
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}
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$prev = null;
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$n_tag = '';
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// $prev_tag = '';
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$as_block = false;
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$prev_asblock = false;
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for($i = 0; $i < $child_count; $i++) {
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$n =& $root->children[$i];
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$indent = $n->indent();
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if (!$n->isText()) {
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$n_tag = strtolower($n->tag);
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$new_line = isset($this->block_elements[$n_tag]) && $this->block_elements[$n_tag]['new_line'];
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$as_block = isset($this->block_elements[$n_tag]) && $this->block_elements[$n_tag]['as_block'];
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$format_inside = ((!isset($this->block_elements[$n_tag])) || $this->block_elements[$n_tag]['format_inside']);
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if ($prev && ($prev->isText()) && $prev->text && ($char = $prev->text[strlen($prev->text) - 1]) && isset($this->whitespace[$char])) {
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if ($this->whitespace[$char]) {
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$prev->text .= str_repeat($this->indent_string, $indent);
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} else {
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$prev->text = substr_replace($prev->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), -1, 1);
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}
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} elseif (($new_line || $prev_asblock || ($in_block && ($i === 0)))){
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if ($prev && ($prev->isText())) {
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$prev->text .= $this->linebreak_string.str_repeat($this->indent_string, $indent);
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} else {
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$root->addText($this->linebreak_string.str_repeat($this->indent_string, $indent), $i);
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++$child_count;
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}
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}
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if ($format_inside && count($n->children)) {
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//$last = end($n->children);
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$last = $n->children[count($n->children) - 1];
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$last_tag = ($last) ? strtolower($last->tag) : '';
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$last_asblock = ($last_tag && isset($this->block_elements[$last_tag]) && $this->block_elements[$last_tag]['as_block']);
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if (($n->childCount(true) > 0) || (trim($n->getPlainText()))) {
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if ($last && ($last->isText()) && $last->text && ($char = $last->text[strlen($last->text) - 1]) && isset($this->whitespace[$char])) {
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if ($as_block || ($last->index() > 0) || isset($this->whitespace[$last->text[0]])) {
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if ($this->whitespace[$char]) {
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$last->text .= str_repeat($this->indent_string, $indent);
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} else {
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$last->text = substr_replace($last->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), -1, 1);
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}
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}
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} elseif (($as_block || $last_asblock || ($in_block && ($i === 0))) && $last) {
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if ($last && ($last->isText())) {
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$last->text .= $this->linebreak_string.str_repeat($this->indent_string, $indent);
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} else {
|
||
|
|
$n->addText($this->linebreak_string.str_repeat($this->indent_string, $indent));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} elseif (!trim($n->getInnerText())) {
|
||
|
|
$n->clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($recursive) {
|
||
|
|
$this->format_html($n, $recursive);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} elseif (trim($n->text) && ((($i - 1 < $child_count) && ($char = $n->text[0]) && isset($this->whitespace[$char])) || ($in_block && ($i === 0)))) {
|
||
|
|
if (isset($this->whitespace[$char])) {
|
||
|
|
if ($this->whitespace[$char]) {
|
||
|
|
$n->text = str_repeat($this->indent_string, $indent).$n->text;
|
||
|
|
} else {
|
||
|
|
$n->text = substr_replace($n->text, $this->linebreak_string.str_repeat($this->indent_string, $indent), 0, 1);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$n->text = $this->linebreak_string.str_repeat($this->indent_string, $indent).$n->text;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$prev = $n;
|
||
|
|
// $prev_tag = $n_tag;
|
||
|
|
$prev_asblock = $as_block;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Formats HTML/Javascript
|
||
|
|
* @param DomNode $root
|
||
|
|
* @see format_html()
|
||
|
|
*/
|
||
|
|
function format(&$node) {
|
||
|
|
$this->errors = array();
|
||
|
|
if ($this->options['minify_script']) {
|
||
|
|
$a = self::minify_javascript($node, $this->indent_string, true, true);
|
||
|
|
if (is_array($a)) {
|
||
|
|
foreach($a as $error) {
|
||
|
|
$this->errors[] = $error[0]->getMessage().' >>> '.$error[1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $this->format_html($node);
|
||
|
|
}
|
||
|
|
}
|