WithNode.php
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<?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;
/**
* Represents a nested "with" scope.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class WithNode extends Node
{
public function __construct(Node $body, Node $variables = null, $only = false, $lineno, $tag = null)
{
$nodes = ['body' => $body];
if (null !== $variables) {
$nodes['variables'] = $variables;
}
parent::__construct($nodes, ['only' => (bool) $only], $lineno, $tag);
}
public function compile(Compiler $compiler)
{
$compiler->addDebugInfo($this);
if ($this->hasNode('variables')) {
$node = $this->getNode('variables');
$varsName = $compiler->getVarName();
$compiler
->write(sprintf('$%s = ', $varsName))
->subcompile($node)
->raw(";\n")
->write(sprintf("if (!twig_test_iterable(\$%s)) {\n", $varsName))
->indent()
->write("throw new RuntimeError('Variables passed to the \"with\" tag must be a hash.', ")
->repr($node->getTemplateLine())
->raw(", \$this->getSourceContext());\n")
->outdent()
->write("}\n")
->write(sprintf("\$%s = twig_to_array(\$%s);\n", $varsName, $varsName))
;
if ($this->getAttribute('only')) {
$compiler->write("\$context = ['_parent' => \$context];\n");
} else {
$compiler->write("\$context['_parent'] = \$context;\n");
}
$compiler->write(sprintf("\$context = \$this->env->mergeGlobals(array_merge(\$context, \$%s));\n", $varsName));
} else {
$compiler->write("\$context['_parent'] = \$context;\n");
}
$compiler
->subcompile($this->getNode('body'))
->write("\$context = \$context['_parent'];\n")
;
}
}
class_alias('Twig\Node\WithNode', 'Twig_Node_With');