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📁 ..	-	2025-05-25 12:37
📄 TwigRenderer.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Bridge\Twig\Form; use Symfony\Component\Form\Exception\UnexpectedTypeException; use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderAdapter; use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface; use Symfony\Component\Form\FormRenderer; use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface; /* * @author Bernhard Schussek <bschussek@gmail.com> / class TwigRenderer extends FormRenderer implements TwigRendererInterface { /* * @var TwigRendererEngineInterface / private $engine; public function __construct(TwigRendererEngineInterface $engine, $csrfTokenManager = null) { if ($csrfTokenManager instanceof CsrfProviderInterface) { $csrfTokenManager = new CsrfProviderAdapter($csrfTokenManager); } elseif (null !== $csrfTokenManager && !$csrfTokenManager instanceof CsrfTokenManagerInterface) { throw new UnexpectedTypeException($csrfTokenManager, 'CsrfProviderInterface or CsrfTokenManagerInterface'); } parent::__construct($engine, $csrfTokenManager); $this->engine = $engine; } /* * {@inheritdoc} */ public function setEnvironment(\Twig_Environment $environment) { $this->engine->setEnvironment($environment); } }	1.52 KB	2024-07-17 10:22
📄 TwigRendererEngine.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Bridge\Twig\Form; use Symfony\Component\Form\AbstractRendererEngine; use Symfony\Component\Form\FormView; /* * @author Bernhard Schussek <bschussek@gmail.com> / class TwigRendererEngine extends AbstractRendererEngine implements TwigRendererEngineInterface { /* * @var \Twig_Environment / private $environment; /* * @var \Twig_Template / private $template; /* * {@inheritdoc} / public function setEnvironment(\Twig_Environment $environment) { $this->environment = $environment; } /* * {@inheritdoc} / public function renderBlock(FormView $view, $resource, $blockName, array $variables = array()) { $cacheKey = $view->vars[self::CACHE_KEY_VAR]; $context = $this->environment->mergeGlobals($variables); ob_start(); // By contract,This method can only be called after getting the resource // (which is passed to the method). Getting a resource for the first time // (with an empty cache) is guaranteed to invoke loadResourcesFromTheme(), // where the property $template is initialized. // We do not call renderBlock here to avoid too many nested level calls // (XDebug limits the level to 100 by default) $this->template->displayBlock($blockName, $context, $this->resources[$cacheKey]); return ob_get_clean(); } /* * Loads the cache with the resource for a given block name. * * This implementation eagerly loads all blocks of the themes assigned to the given view * and all of its ancestors views. This is necessary, because Twig receives the * list of blocks later. At that point, all blocks must already be loaded, for the * case that the function "block()" is used in the Twig template. * * @see getResourceForBlock() * * @param string $cacheKey The cache key of the form view. * @param FormView $view The form view for finding the applying themes. * @param string $blockName The name of the block to load. * * @return Boolean True if the resource could be loaded, false otherwise. / protected function loadResourceForBlockName($cacheKey, FormView $view, $blockName) { // The caller guarantees that $this->resources[$cacheKey][$block] is // not set, but it doesn't have to check whether $this->resources[$cacheKey] // is set. If $this->resources[$cacheKey] is set, all themes for this // $cacheKey are already loaded (due to the eager population, see doc comment). if (isset($this->resources[$cacheKey])) { // As said in the previous, the caller guarantees that // $this->resources[$cacheKey][$block] is not set. Since the themes are // already loaded, it can only be a non-existing block. $this->resources[$cacheKey][$blockName] = false; return false; } // Recursively try to find the block in the themes assigned to $view, // then of its parent view, then of the parent view of the parent and so on. // When the root view is reached in this recursion, also the default // themes are taken into account. // Check each theme whether it contains the searched block if (isset($this->themes[$cacheKey])) { for ($i = count($this->themes[$cacheKey]) - 1; $i >= 0; --$i) { $this->loadResourcesFromTheme($cacheKey, $this->themes[$cacheKey][$i]); // CONTINUE LOADING (see doc comment) } } // Check the default themes once we reach the root view without success if (!$view->parent) { for ($i = count($this->defaultThemes) - 1; $i >= 0; --$i) { $this->loadResourcesFromTheme($cacheKey, $this->defaultThemes[$i]); // CONTINUE LOADING (see doc comment) } } // Proceed with the themes of the parent view if ($view->parent) { $parentCacheKey = $view->parent->vars[self::CACHE_KEY_VAR]; if (!isset($this->resources[$parentCacheKey])) { $this->loadResourceForBlockName($parentCacheKey, $view->parent, $blockName); } // EAGER CACHE POPULATION (see doc comment) foreach ($this->resources[$parentCacheKey] as $nestedBlockName => $resource) { if (!isset($this->resources[$cacheKey][$nestedBlockName])) { $this->resources[$cacheKey][$nestedBlockName] = $resource; } } } // Even though we loaded the themes, it can happen that none of them // contains the searched block if (!isset($this->resources[$cacheKey][$blockName])) { // Cache that we didn't find anything to speed up further accesses $this->resources[$cacheKey][$blockName] = false; } return false !== $this->resources[$cacheKey][$blockName]; } /* * Loads the resources for all blocks in a theme. * * @param string $cacheKey The cache key for storing the resource. * @param mixed $theme The theme to load the block from. This parameter * is passed by reference, because it might be necessary * to initialize the theme first. Any changes made to * this variable will be kept and be available upon * further calls to this method using the same theme. / protected function loadResourcesFromTheme($cacheKey, &$theme) { if (!$theme instanceof \Twig_Template) { / @var \Twig_Template $theme / $theme = $this->environment->loadTemplate($theme); } if (null === $this->template) { // Store the first \Twig_Template instance that we find so that // we can call displayBlock() later on. It doesn't matter which* // template we use for that, since we pass the used blocks manually // anyway. $this->template = $theme; } // Use a separate variable for the inheritance traversal, because // theme is a reference and we don't want to change it. $currentTheme = $theme; $context = $this->environment->mergeGlobals(array()); // The do loop takes care of template inheritance. // Add blocks from all templates in the inheritance tree, but avoid // overriding blocks already set. do { foreach ($currentTheme->getBlocks() as $block => $blockData) { if (!isset($this->resources[$cacheKey][$block])) { // The resource given back is the key to the bucket that // contains this block. $this->resources[$cacheKey][$block] = $blockData; } } } while (false !== $currentTheme = $currentTheme->getParent($context)); } }	7.13 KB	2024-07-17 10:22
📄 TwigRendererEngineInterface.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Bridge\Twig\Form; use Symfony\Component\Form\FormRendererEngineInterface; /* * @author Bernhard Schussek <bschussek@gmail.com> / interface TwigRendererEngineInterface extends FormRendererEngineInterface { /* * Sets Twig's environment. * * @param \Twig_Environment $environment */ public function setEnvironment(\Twig_Environment $environment); }	637 B	2024-07-17 10:22
📄 TwigRendererInterface.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Bridge\Twig\Form; use Symfony\Component\Form\FormRendererInterface; /* * @author Bernhard Schussek <bschussek@gmail.com> / interface TwigRendererInterface extends FormRendererInterface { /* * Sets Twig's environment. * * @param \Twig_Environment $environment */ public function setEnvironment(\Twig_Environment $environment); }	619 B	2024-07-17 10:22

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