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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\Filter\DirectiveProcessor;
use Magento\Framework\Filter\DirectiveProcessor\Filter\FilterApplier;
use Magento\Framework\Filter\DirectiveProcessorInterface;
use Magento\Framework\Filter\SimpleDirective\ProcessorPool;
use Magento\Framework\Filter\Template;
use Magento\Framework\Filter\Template\Tokenizer\Parameter;
use Magento\Framework\Filter\Template\Tokenizer\ParameterFactory;
use Magento\Framework\Filter\VariableResolverInterface;
/**
* Serves as the default
*/
class SimpleDirective implements DirectiveProcessorInterface
{
/**
* @var ProcessorPool
*/
private $processorPool;
/**
* @var ParameterFactory
*/
private $parameterTokenizerFactory;
/**
* @var VariableResolverInterface
*/
private $variableResolver;
/**
* @var FilterApplier
*/
private $filterApplier;
/**
* @param ProcessorPool $processorPool
* @param ParameterFactory $parameterTokenizerFactory
* @param VariableResolverInterface $variableResolver
* @param FilterApplier $filterApplier
*/
public function __construct(
ProcessorPool $processorPool,
ParameterFactory $parameterTokenizerFactory,
VariableResolverInterface $variableResolver,
FilterApplier $filterApplier
) {
$this->processorPool = $processorPool;
$this->parameterTokenizerFactory = $parameterTokenizerFactory;
$this->variableResolver = $variableResolver;
$this->filterApplier = $filterApplier;
}
/**
* @inheritdoc
*/
public function process(array $construction, Template $filter, array $templateVariables): string
{
try {
$directiveParser = $this->processorPool
->get($construction['directiveName']);
} catch (\InvalidArgumentException $e) {
// This directive doesn't have a SimpleProcessor
return $construction[0];
}
$parameters = $this->extractParameters($construction, $filter, $templateVariables);
$value = $directiveParser->process(
$construction['value'] ?? null,
$parameters,
!empty($construction['content']) ? $filter->filter($construction['content']) : null
);
$value = $this->filterApplier->applyFromRawParam(
$construction['filters'] ?? '',
$value,
$directiveParser->getDefaultFilters() ?? []
);
return $value;
}
/**
* @inheritdoc
*/
public function getRegularExpression(): string
{
return '/{{'
. '(?P<directiveName>[a-z]+)(?:[\s\t]*)'
. '(?:\s*(?P<quoteType>[\'"])(?P<value>(?:(?!\k\'quoteType\').)*?)(?<!\\\)\k\'quoteType\')?'
. '(?P<parameters>.*?)'
. '(?P<filters>(?:\|[a-z0-9:_-]+)+)?'
. '}}'
. '(?:(?P<content>.*?){{\/(?P=directiveName)}})?'
. '/si';
}
/**
* Extract and parse parameters from construction
*
* @param array $construction
* @param Template $filter
* @param array $templateVariables
* @return array
*/
private function extractParameters(array $construction, Template $filter, array $templateVariables): array
{
if (empty($construction['parameters'])) {
return [];
}
/** @var Parameter $tokenizer */
$tokenizer = $this->parameterTokenizerFactory->create();
$tokenizer->setString($construction['parameters']);
$parameters = $tokenizer->tokenize();
foreach ($parameters as $key => $value) {
if (substr($value, 0, 1) === '$') {
$parameters[$key] = $this->variableResolver->resolve(
substr($value, 1),
$filter,
$templateVariables
);
}
}
return $parameters;
}
}