Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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SearchAndRenderBlockNode.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Bridge\Twig\Node;
013
014 use Twig\Compiler;
015 use Twig\Node\Expression\ArrayExpression;
016 use Twig\Node\Expression\ConstantExpression;
017 use Twig\Node\Expression\FunctionExpression;
018
019 /**
020 * @author Bernhard Schussek <bschussek@gmail.com>
021 */
022 class SearchAndRenderBlockNode extends FunctionExpression
023 {
024 public function compile(Compiler $compiler)
025 {
026 $compiler->addDebugInfo($this);
027 $compiler->raw('$this->env->getRuntime(\'Symfony\Component\Form\FormRenderer\')->searchAndRenderBlock(');
028
029 preg_match('/_([^_]+)$/', $this->getAttribute('name'), $matches);
030
031 $arguments = iterator_to_array($this->getNode('arguments'));
032 $blockNameSuffix = $matches[1];
033
034 if (isset($arguments[0])) {
035 $compiler->subcompile($arguments[0]);
036 $compiler->raw(', \''.$blockNameSuffix.'\'');
037
038 if (isset($arguments[1])) {
039 if ('label' === $blockNameSuffix) {
040 // The "label" function expects the label in the second and
041 // the variables in the third argument
042 $label = $arguments[1];
043 $variables = isset($arguments[2]) ? $arguments[2] : null;
044 $lineno = $label->getTemplateLine();
045
046 if ($label instanceof ConstantExpression) {
047 // If the label argument is given as a constant, we can either
048 // strip it away if it is empty, or integrate it into the array
049 // of variables at compile time.
050 $labelIsExpression = false;
051
052 // Only insert the label into the array if it is not empty
053 if (!twig_test_empty($label->getAttribute('value'))) {
054 $originalVariables = $variables;
055 $variables = new ArrayExpression([], $lineno);
056 $labelKey = new ConstantExpression('label', $lineno);
057
058 if (null !== $originalVariables) {
059 foreach ($originalVariables->getKeyValuePairs() as $pair) {
060 // Don't copy the original label attribute over if it exists
061 if ((string) $labelKey !== (string) $pair['key']) {
062 $variables->addElement($pair['value'], $pair['key']);
063 }
064 }
065 }
066
067 // Insert the label argument into the array
068 $variables->addElement($label, $labelKey);
069 }
070 } else {
071 // The label argument is not a constant, but some kind of
072 // expression. This expression needs to be evaluated at runtime.
073 // Depending on the result (whether it is null or not), the
074 // label in the arguments should take precedence over the label
075 // in the attributes or not.
076 $labelIsExpression = true;
077 }
078 } else {
079 // All other functions than "label" expect the variables
080 // in the second argument
081 $label = null;
082 $variables = $arguments[1];
083 $labelIsExpression = false;
084 }
085
086 if (null !== $variables || $labelIsExpression) {
087 $compiler->raw(', ');
088
089 if (null !== $variables) {
090 $compiler->subcompile($variables);
091 }
092
093 if ($labelIsExpression) {
094 if (null !== $variables) {
095 $compiler->raw(' + ');
096 }
097
098 // Check at runtime whether the label is empty.
099 // If not, add it to the array at runtime.
100 $compiler->raw('(twig_test_empty($_label_ = ');
101 $compiler->subcompile($label);
102 $compiler->raw(') ? [] : ["label" => $_label_])');
103 }
104 }
105 }
106 }
107
108 $compiler->raw(')');
109 }
110 }
111