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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Css\PreProcessor\Adapter;
use Magento\Framework\App\State;
use Pelago\Emogrifier\CssInliner as EmogrifierCssInliner;
use Symfony\Component\CssSelector\Exception\ParseException;
/**
* This class will inline the css of an html to each tag to be used for applications such as a styled email.
*/
class CssInliner
{
/**
* @var State
*/
private $appState;
/**
* @var string
*/
private $html = '';
/**
* @var string
*/
private $css = '';
/**
* @var bool
*/
private $disableStyleBlocksParsing = false;
/**
* @param State $appState
*/
public function __construct(State $appState)
{
$this->appState = $appState;
}
/**
* Sets the HTML to be used with the css. This method should be used with setCss.
*
* @param string $html
* @return void
*/
public function setHtml($html)
{
$this->html = $html;
}
/**
* Sets the CSS to be merged with the HTML. This method should be used with setHtml.
*
* @param string $css
* @return void
*/
public function setCss($css)
{
$this->css = $css;
}
/**
* Disables the parsing of <style> blocks.
*
* @return void
*/
public function disableStyleBlocksParsing()
{
$this->disableStyleBlocksParsing = true;
}
/**
* Processes the html by placing the css inline. Set first the css by using setCss and html by using setHtml.
*
* @return string
* @throws \BadMethodCallException
* @throws ParseException
*/
public function process()
{
$emogrifier = EmogrifierCssInliner::fromHtml($this->html)
->setDebug($this->appState->getMode() === State::MODE_DEVELOPER);
if ($this->disableStyleBlocksParsing) {
$emogrifier->disableStyleBlocksParsing();
}
$emogrifier->inlineCss($this->css);
return $emogrifier->render();
}
}