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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\DirectiveProcessorInterface;
use Magento\Framework\Filter\Template;
use Magento\Framework\Filter\Template\Tokenizer\ParameterFactory;
use Magento\Framework\Filter\VariableResolverInterface;
/**
* Allows templates to be included inside other templates
*
* Usage:
*
* {{template config_path="<PATH>"}}
*
* <PATH> equals the XPATH to the system configuration value that contains the value of the template.
* This directive is useful to include things like a global header/footer.
*/
class TemplateDirective implements DirectiveProcessorInterface
{
/**
* @var VariableResolverInterface
*/
private $variableResolver;
/**
* @var ParameterFactory
*/
private $parameterFactory;
/**
* @param VariableResolverInterface $variableResolver
* @param ParameterFactory $parameterFactory
*/
public function __construct(
VariableResolverInterface $variableResolver,
ParameterFactory $parameterFactory
) {
$this->variableResolver = $variableResolver;
$this->parameterFactory = $parameterFactory;
}
/**
* @inheritdoc
*/
public function process(array $construction, Template $filter, array $templateVariables): string
{
// Processing of {template config_path=... [...]} statement
$templateParameters = $this->getParameters($construction[2], $filter, $templateVariables);
if (!isset($templateParameters['config_path']) || !$filter->getTemplateProcessor()) {
// Not specified template or not set include processor
$replacedValue = '{Error in template processing}';
} else {
// Including of template
$configPath = $templateParameters['config_path'];
unset($templateParameters['config_path']);
$templateParameters = array_merge_recursive($templateParameters, $templateVariables);
$replacedValue = call_user_func($filter->getTemplateProcessor(), $configPath, $templateParameters);
}
return $replacedValue;
}
/**
* Return associative array of parameters.
*
* @param string $value raw parameters
* @param Template $filter
* @param array $templateVariables
* @return array
*/
private function getParameters($value, Template $filter, array $templateVariables): array
{
$tokenizer = new Template\Tokenizer\Parameter();
$tokenizer->setString($value);
$params = $tokenizer->tokenize();
foreach ($params as $key => $value) {
if (substr($value, 0, 1) === '$') {
$params[$key] = $this->variableResolver->resolve(substr($value, 1), $filter, $templateVariables);
}
}
return $params;
}
/**
* @inheritdoc
*/
public function getRegularExpression(): string
{
return Template::CONSTRUCTION_TEMPLATE_PATTERN;
}
}