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<?php |
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namespace Ubiquity\views\engine\twig; |
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use Twig\Environment; |
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use Twig\Loader\FilesystemLoader; |
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use Twig\TwigFilter; |
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use Twig\TwigFunction; |
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use Twig\TwigTest; |
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use Ubiquity\cache\CacheManager; |
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use Ubiquity\controllers\Startup; |
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use Ubiquity\events\EventsManager; |
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use Ubiquity\events\ViewEvents; |
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use Ubiquity\exceptions\ThemesException; |
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use Ubiquity\themes\ThemesManager; |
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use Ubiquity\translation\TranslatorManager; |
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use Ubiquity\utils\base\UFileSystem; |
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use Ubiquity\views\engine\TemplateEngine; |
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use Ubiquity\views\engine\TemplateGenerator; |
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/** |
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* Ubiquity Twig template engine. |
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* |
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* Ubiquity\views\engine$Twig |
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* This class is part of Ubiquity |
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* |
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* @author jcheron <[email protected]> |
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* @version 1.0.13 |
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* |
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*/ |
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class Twig extends TemplateEngine { |
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private $twig; |
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private $loader; |
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public function __construct($options = []) { |
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$loader = new FilesystemLoader (\ROOT . \DS . 'views' . \DS); |
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$loader->addPath(Startup::getFrameworkDir() . '/../core/views/engines/twig', 'framework'); |
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$this->loader = $loader; |
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if (($options ['cache'] ?? false) === true) { |
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$options ['cache'] = CacheManager::getCacheSubDirectory('views'); |
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} |
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$this->twig = new Environment ($loader, $options); |
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if (isset($options['extensions'])) { |
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foreach ($options['extensions'] as $ext) { |
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$this->twig->addExtension(new $ext()); |
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} |
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} |
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if (isset ($options ['activeTheme'])) { |
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ThemesManager::setActiveThemeFromTwig($options ['activeTheme']); |
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$this->setTheme($options ['activeTheme'], ThemesManager::THEMES_FOLDER); |
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unset ($options ['activeTheme']); |
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} else { |
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$this->loader->setPaths([\ROOT . \DS . 'views'], 'activeTheme'); |
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} |
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$this->addFunctions(); |
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} |
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protected function addFunctions(): void { |
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parent::addFunctions(); |
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$t = new TwigFunction ('t', function ($context, $id, array $parameters = array(), $domain = null, $locale = null) { |
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$trans = TranslatorManager::trans($id, $parameters, $domain, $locale); |
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return $this->twig->createTemplate($trans)->render($context); |
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}, ['needs_context' => true]); |
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$tc = new TwigFunction ('tc', function ($context, $id, array $choice, array $parameters = array(), $domain = null, $locale = null) { |
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$trans = TranslatorManager::transChoice($id, $choice, $parameters, $domain, $locale); |
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return $this->twig->createTemplate($trans)->render($context); |
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}, ['needs_context' => true]); |
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$this->twig->addFunction($t); |
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$this->twig->addFunction($tc); |
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$test = new TwigTest ('instanceOf', function ($var, $class) { |
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return $var instanceof $class; |
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}); |
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$this->twig->addTest($test); |
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$this->twig->addGlobal('app', $this->fw); |
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} |
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public function addFunction(string $name, $callback, array $options = []): void { |
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$this->twig->addFunction(new TwigFunction ($name, $callback, $options)); |
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} |
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protected function addFilter(string $name, $callback, array $options = []): void { |
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$this->twig->addFilter(new TwigFilter($name, $callback, $options)); |
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} |
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protected function addExtension($extension): void { |
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$this->twig->addExtension($extension); |
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} |
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/* |
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* (non-PHPdoc) |
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* @see TemplateEngine::render() |
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*/ |
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public function render(string $viewName, ?array $pData = [], bool $asString = false) { |
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$pData ['config'] = Startup::getConfig(); |
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EventsManager::trigger(ViewEvents::BEFORE_RENDER, $viewName, $pData); |
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$render = $this->twig->render($viewName, $pData); |
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EventsManager::trigger(ViewEvents::AFTER_RENDER, $render, $viewName, $pData); |
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if ($asString) { |
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return $render; |
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} else { |
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echo $render; |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\views\engine\TemplateEngine::getBlockNames() |
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*/ |
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public function getBlockNames(string $templateName): array { |
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try { |
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$result = $this->twig->load($templateName)->getBlockNames(); |
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} catch (\Error $e) { |
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$result = []; |
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} |
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return $result; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\views\engine\TemplateEngine::getCode() |
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*/ |
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public function getCode(string $templateName): string { |
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return UFileSystem::load($this->twig->load($templateName)->getSourceContext()->getPath()); |
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} |
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/** |
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* Adds a new path in a namespace |
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* |
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* @param string $path The path to add |
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* @param string $namespace The namespace to use |
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*/ |
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public function addPath(string $path, string $namespace) { |
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$this->loader->addPath($path, $namespace); |
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} |
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/** |
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* Sets a path in a namespace |
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* |
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* @param array $paths The paths to add |
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* @param string $namespace The namespace to use |
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*/ |
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public function setPaths(array $paths, string $namespace) { |
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$this->loader->setPaths($paths, $namespace); |
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} |
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/** |
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* @param string $theme |
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* @param string $themeFolder |
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* @return string|void |
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* @throws ThemesException |
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*/ |
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public function setTheme(string $theme, string $themeFolder = ThemesManager::THEMES_FOLDER): string { |
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$path = parent::setTheme($theme, $themeFolder); |
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$this->loader->setPaths([$path], 'activeTheme'); |
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return $path; |
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} |
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/** |
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* Checks if we have the source code of a template, given its name. |
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* |
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* @param string $name |
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* @return boolean |
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*/ |
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public function exists(string $name): bool { |
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return $this->twig->getLoader()->exists($name); |
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} |
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public function getGenerator(): ?TemplateGenerator { |
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return null; |
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} |
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} |
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