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- <?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\Node;
- use Twig\Compiler;
- use Twig\Node\Expression\ArrayExpression;
- use Twig\Node\Expression\ConstantExpression;
- use Twig\Node\Expression\FunctionExpression;
- /**
- * @author Bernhard Schussek <bschussek@gmail.com>
- */
- final class SearchAndRenderBlockNode extends FunctionExpression
- {
- public function compile(Compiler $compiler): void
- {
- $compiler->addDebugInfo($this);
- $compiler->raw('$this->env->getRuntime(\'Symfony\Component\Form\FormRenderer\')->searchAndRenderBlock(');
- preg_match('/_([^_]+)$/', $this->getAttribute('name'), $matches);
- $arguments = iterator_to_array($this->getNode('arguments'));
- $blockNameSuffix = $matches[1];
- if (isset($arguments[0])) {
- $compiler->subcompile($arguments[0]);
- $compiler->raw(', \''.$blockNameSuffix.'\'');
- if (isset($arguments[1])) {
- if ('label' === $blockNameSuffix) {
- // The "label" function expects the label in the second and
- // the variables in the third argument
- $label = $arguments[1];
- $variables = $arguments[2] ?? null;
- $lineno = $label->getTemplateLine();
- if ($label instanceof ConstantExpression) {
- // If the label argument is given as a constant, we can either
- // strip it away if it is empty, or integrate it into the array
- // of variables at compile time.
- $labelIsExpression = false;
- // Only insert the label into the array if it is not empty
- if (!twig_test_empty($label->getAttribute('value'))) {
- $originalVariables = $variables;
- $variables = new ArrayExpression([], $lineno);
- $labelKey = new ConstantExpression('label', $lineno);
- if (null !== $originalVariables) {
- foreach ($originalVariables->getKeyValuePairs() as $pair) {
- // Don't copy the original label attribute over if it exists
- if ((string) $labelKey !== (string) $pair['key']) {
- $variables->addElement($pair['value'], $pair['key']);
- }
- }
- }
- // Insert the label argument into the array
- $variables->addElement($label, $labelKey);
- }
- } else {
- // The label argument is not a constant, but some kind of
- // expression. This expression needs to be evaluated at runtime.
- // Depending on the result (whether it is null or not), the
- // label in the arguments should take precedence over the label
- // in the attributes or not.
- $labelIsExpression = true;
- }
- } else {
- // All other functions than "label" expect the variables
- // in the second argument
- $label = null;
- $variables = $arguments[1];
- $labelIsExpression = false;
- }
- if (null !== $variables || $labelIsExpression) {
- $compiler->raw(', ');
- if (null !== $variables) {
- $compiler->subcompile($variables);
- }
- if ($labelIsExpression) {
- if (null !== $variables) {
- $compiler->raw(' + ');
- }
- // Check at runtime whether the label is empty.
- // If not, add it to the array at runtime.
- $compiler->raw('(twig_test_empty($_label_ = ');
- $compiler->subcompile($label);
- $compiler->raw(') ? [] : ["label" => $_label_])');
- }
- }
- }
- }
- $compiler->raw(')');
- }
- }
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