| <?php |
| |
| /* |
| * This file is part of Twig. |
| * |
| * (c) Fabien Potencier |
| * |
| * For the full copyright and license information, please view the LICENSE |
| * file that was distributed with this source code. |
| */ |
| |
| namespace Twig\Node; |
| |
| use Twig\Compiler; |
| use Twig\Node\Expression\ConstantExpression; |
| |
| /** |
| * Represents a set node. |
| * |
| * @author Fabien Potencier <fabien@symfony.com> |
| */ |
| class SetNode extends Node implements NodeCaptureInterface |
| { |
| public function __construct(bool $capture, Node $names, Node $values, int $lineno, string $tag = null) |
| { |
| parent::__construct(['names' => $names, 'values' => $values], ['capture' => $capture, 'safe' => false], $lineno, $tag); |
| |
| /* |
| * Optimizes the node when capture is used for a large block of text. |
| * |
| * {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig\Markup("foo"); |
| */ |
| if ($this->getAttribute('capture')) { |
| $this->setAttribute('safe', true); |
| |
| $values = $this->getNode('values'); |
| if ($values instanceof TextNode) { |
| $this->setNode('values', new ConstantExpression($values->getAttribute('data'), $values->getTemplateLine())); |
| $this->setAttribute('capture', false); |
| } |
| } |
| } |
| |
| public function compile(Compiler $compiler): void |
| { |
| $compiler->addDebugInfo($this); |
| |
| if (\count($this->getNode('names')) > 1) { |
| $compiler->write('list('); |
| foreach ($this->getNode('names') as $idx => $node) { |
| if ($idx) { |
| $compiler->raw(', '); |
| } |
| |
| $compiler->subcompile($node); |
| } |
| $compiler->raw(')'); |
| } else { |
| if ($this->getAttribute('capture')) { |
| if ($compiler->getEnvironment()->isDebug()) { |
| $compiler->write("ob_start();\n"); |
| } else { |
| $compiler->write("ob_start(function () { return ''; });\n"); |
| } |
| $compiler |
| ->subcompile($this->getNode('values')) |
| ; |
| } |
| |
| $compiler->subcompile($this->getNode('names'), false); |
| |
| if ($this->getAttribute('capture')) { |
| $compiler->raw(" = ('' === \$tmp = ob_get_clean()) ? '' : new Markup(\$tmp, \$this->env->getCharset())"); |
| } |
| } |
| |
| if (!$this->getAttribute('capture')) { |
| $compiler->raw(' = '); |
| |
| if (\count($this->getNode('names')) > 1) { |
| $compiler->write('['); |
| foreach ($this->getNode('values') as $idx => $value) { |
| if ($idx) { |
| $compiler->raw(', '); |
| } |
| |
| $compiler->subcompile($value); |
| } |
| $compiler->raw(']'); |
| } else { |
| if ($this->getAttribute('safe')) { |
| $compiler |
| ->raw("('' === \$tmp = ") |
| ->subcompile($this->getNode('values')) |
| ->raw(") ? '' : new Markup(\$tmp, \$this->env->getCharset())") |
| ; |
| } else { |
| $compiler->subcompile($this->getNode('values')); |
| } |
| } |
| } |
| |
| $compiler->raw(";\n"); |
| } |
| } |