Файл: vendor/tijsverkoyen/css-to-inline-styles/src/Css/Processor.php
Строк: 45
<?php
namespace TijsVerkoyenCssToInlineStylesCss;
use TijsVerkoyenCssToInlineStylesCssRuleProcessor as RuleProcessor;
use TijsVerkoyenCssToInlineStylesCssRuleRule;
class Processor
{
/**
* Get the rules from a given CSS-string
*
* @param string $css
* @param Rule[] $existingRules
*
* @return Rule[]
*/
public function getRules($css, $existingRules = array())
{
$css = $this->doCleanup($css);
$rulesProcessor = new RuleProcessor();
$rules = $rulesProcessor->splitIntoSeparateRules($css);
return $rulesProcessor->convertArrayToObjects($rules, $existingRules);
}
/**
* Get the CSS from the style-tags in the given HTML-string
*
* @param string $html
*
* @return string
*/
public function getCssFromStyleTags($html)
{
$css = '';
$matches = array();
$htmlNoComments = preg_replace('|<!--.*?-->|s', '', $html) ?? $html;
preg_match_all('|<style(?:s.*)?>(.*)</style>|isU', $htmlNoComments, $matches);
if (!empty($matches[1])) {
foreach ($matches[1] as $match) {
$css .= trim($match) . "n";
}
}
return $css;
}
/**
* @param string $css
*
* @return string
*/
private function doCleanup($css)
{
// remove charset
$css = preg_replace('/@charset "[^"]++";/', '', $css) ?? $css;
// remove media queries
$css = preg_replace('/@media [^{]*+{([^{}]++|{[^{}]*+})*+}/', '', $css) ?? $css;
$css = str_replace(array("r", "n"), '', $css);
$css = str_replace(array("t"), ' ', $css);
$css = str_replace('"', ''', $css);
$css = preg_replace('|/*.*?*/|', '', $css) ?? $css;
$css = preg_replace('/ss++/', ' ', $css) ?? $css;
$css = trim($css);
return $css;
}
}