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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Biurad opensource projects. |
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* |
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* PHP version 7.2 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Biurad\UI\Renders; |
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use Biurad\UI\Exceptions\LoaderException; |
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use Biurad\UI\Interfaces\CacheInterface as RenderCacheInterface; |
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use Biurad\UI\Interfaces\RenderInterface; |
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use Biurad\UI\Template; |
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use Twig; |
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use Twig\Cache\FilesystemCache; |
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use Twig\Extension\ExtensionInterface; |
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use Twig\Loader\ArrayLoader; |
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use Twig\Loader\ChainLoader; |
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use Twig\Loader\FilesystemLoader; |
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use Twig\Loader\LoaderInterface; |
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use Twig\NodeVisitor\NodeVisitorInterface; |
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use Twig\RuntimeLoader\RuntimeLoaderInterface; |
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/** |
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* Render for Twig templating. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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final class TwigRender extends AbstractRender implements RenderCacheInterface |
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{ |
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protected const EXTENSIONS = ['twig']; |
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/** @var Twig\Environment */ |
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protected $environment; |
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/** |
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* TwigEngine constructor. |
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* |
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* @param string[] $extensions |
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*/ |
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public function __construct(Twig\Environment $environment = null, array $extensions = self::EXTENSIONS) |
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{ |
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$this->environment = $environment ?? new Twig\Environment(new ArrayLoader()); |
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$this->extensions = $extensions; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withCache(?string $cacheDir): void |
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{ |
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if (null !== $cacheDir) { |
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if (false !== $this->environment->getCache()) { |
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throw new LoaderException('The Twig render has an existing cache implementation which must be removed.'); |
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} |
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$this->environment->setCache(new FilesystemCache($cacheDir)); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withLoader(Template $loader): RenderInterface |
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{ |
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$this->environment->addFilter(new Twig\TwigFilter('template', [$loader, 'find'], ['is_safe' => ['all']])); |
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$this->environment->addFunction(new Twig\TwigFunction('template', [$loader, 'render'], ['is_safe' => ['all']])); |
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return parent::withLoader($loader); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(string $template, array $parameters): string |
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{ |
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$source = self::loadHtml($template) ?? $template; |
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if ($source !== $template || !\file_exists($template)) { |
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$loader = new ArrayLoader([$template => $source]); |
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} else { |
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$loader = new FilesystemLoader([\dirname($template), \dirname($template, 2)]); |
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$template = \substr($template, \strripos($template, '/')); |
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} |
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$this->addLoader($loader); |
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return $this->environment->load($template)->render($parameters); |
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} |
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public function setCharset(string $charset): void |
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{ |
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$this->environment->setCharset($charset); |
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} |
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public function addLoader(LoaderInterface $loader): void |
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{ |
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$templateLoader = $this->environment->getLoader(); |
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if ($templateLoader instanceof ChainLoader) { |
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$templateLoader->addLoader($loader); |
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return; |
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} |
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if ($loader instanceof ChainLoader) { |
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$loader->addLoader($templateLoader); |
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} elseif (!$templateLoader instanceof ArrayLoader) { |
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$loader = new ChainLoader([$loader, $templateLoader]); |
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} |
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$this->environment->setLoader($loader); |
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} |
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public function addRuntimeLoader(RuntimeLoaderInterface $loader): void |
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{ |
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$this->environment->addRuntimeLoader($loader); |
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} |
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public function addExtension(ExtensionInterface $extension): void |
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{ |
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$this->environment->addExtension($extension); |
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} |
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/** |
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* @param ExtensionInterface[] $extensions An array of extensions |
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*/ |
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public function setExtensions(array $extensions): void |
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{ |
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$this->environment->setExtensions($extensions); |
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} |
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public function addNodeVisitor(NodeVisitorInterface $visitor): void |
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{ |
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$this->environment->addNodeVisitor($visitor); |
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} |
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public function addFilter(Twig\TwigFilter $filter): void |
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{ |
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$this->environment->addFilter($filter); |
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} |
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public function registerUndefinedFilterCallback(callable $callable): void |
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{ |
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$this->environment->registerUndefinedFilterCallback($callable); |
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} |
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public function addFunction(Twig\TwigFunction $function): void |
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{ |
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$this->environment->addFunction($function); |
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} |
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} |
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biurad /
php-templating
