leilukin-tumbleblog/includes/lib/Twig/Node/SetNode.php

97 lines
2.8 KiB
PHP

<?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\Attribute\YieldReady;
use Twig\Compiler;
use Twig\Node\Expression\ConstantExpression;
/**
* Represents a set node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
#[YieldReady]
class SetNode extends Node implements NodeCaptureInterface
{
public function __construct(bool $capture, Node $names, Node $values, int $lineno, ?string $tag = null)
{
/*
* 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");
*/
$safe = false;
if ($capture) {
$safe = true;
if ($values instanceof TextNode) {
$values = new ConstantExpression($values->getAttribute('data'), $values->getTemplateLine());
$capture = false;
} else {
$values = new CaptureNode($values, $values->getTemplateLine());
}
}
parent::__construct(['names' => $names, 'values' => $values], ['capture' => $capture, 'safe' => $safe], $lineno, $tag);
}
public function compile(Compiler $compiler): void
{
$compiler->addDebugInfo($this);
if (\count($this->getNode('names')) > 1) {
$compiler->write('[');
foreach ($this->getNode('names') as $idx => $node) {
if ($idx) {
$compiler->raw(', ');
}
$compiler->subcompile($node);
}
$compiler->raw(']');
} else {
$compiler->subcompile($this->getNode('names'), false);
}
$compiler->raw(' = ');
if ($this->getAttribute('capture')) {
$compiler->subcompile($this->getNode('values'));
} else {
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(';');
}
$compiler->raw("\n");
}
}