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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Css\PreProcessor\Adapter\Less;
use Magento\Framework\App\State;
use Magento\Framework\Css\PreProcessor\File\Temporary;
use Magento\Framework\Phrase;
use Magento\Framework\View\Asset\ContentProcessorException;
use Magento\Framework\View\Asset\ContentProcessorInterface;
use Magento\Framework\View\Asset\File;
use Magento\Framework\View\Asset\Source;
use Psr\Log\LoggerInterface;
/**
* Class Processor
*/
class Processor implements ContentProcessorInterface
{
/**
* @var LoggerInterface
*/
private $logger;
/**
* @var State
*/
private $appState;
/**
* @var Source
*/
private $assetSource;
/**
* @var Temporary
*/
private $temporaryFile;
/**
* Constructor
*
* @param LoggerInterface $logger
* @param State $appState
* @param Source $assetSource
* @param Temporary $temporaryFile
*/
public function __construct(
LoggerInterface $logger,
State $appState,
Source $assetSource,
Temporary $temporaryFile
) {
$this->logger = $logger;
$this->appState = $appState;
$this->assetSource = $assetSource;
$this->temporaryFile = $temporaryFile;
}
/**
* @inheritdoc
*/
public function processContent(File $asset)
{
$path = $asset->getPath();
try {
$parser = new \Less_Parser(
[
'relativeUrls' => false,
'compress' => $this->appState->getMode() !== State::MODE_DEVELOPER
]
);
$content = $this->assetSource->getContent($asset);
if (trim($content) === '') {
throw new ContentProcessorException(
new Phrase('Compilation from source: LESS file is empty: ' . $path)
);
}
$tmpFilePath = $this->temporaryFile->createFile($path, $content);
gc_disable();
$parser->parseFile($tmpFilePath, '');
$content = $parser->getCss();
gc_enable();
if (trim($content) === '') {
throw new ContentProcessorException(
new Phrase('Compilation from source: LESS file is empty: ' . $path)
);
} else {
return $content;
}
} catch (\Exception $e) {
throw new ContentProcessorException(new Phrase($e->getMessage()));
}
}
}