<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* 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\AbstractExpression;
/**
* Represents an include node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class IncludeNode extends Node implements NodeOutputInterface
{
public function __construct(AbstractExpression $expr, ?AbstractExpression $variables, bool $only, bool $ignoreMissing, int $lineno, string $tag = null)
{
$nodes = ['expr' => $expr];
if (null !== $variables) {
$nodes['variables'] = $variables;
}
parent::__construct($nodes, ['only' => (bool) $only, 'ignore_missing' => (bool) $ignoreMissing], $lineno, $tag);
}
public function compile(Compiler $compiler)
{
$compiler->addDebugInfo($this);
if ($this->getAttribute('ignore_missing')) {
$template = $compiler->getVarName();
$compiler
->write(sprintf("$%s = null;\n", $template))
->write("try {\n")
->indent()
->write(sprintf('$%s = ', $template))
;
$this->addGetTemplate($compiler);
$compiler
->raw(";\n")
->outdent()
->write("} catch (LoaderError \$e) {\n")
->indent()
->write("// ignore missing template\n")
->outdent()
->write("}\n")
->write(sprintf("if ($%s) {\n", $template))
->indent()
->write(sprintf('$%s->display(', $template))
;
$this->addTemplateArguments($compiler);
$compiler
->raw(");\n")
->outdent()
->write("}\n")
;
} else {
$this->addGetTemplate($compiler);
$compiler->raw('->display(');
$this->addTemplateArguments($compiler);
$compiler->raw(");\n");
}
}
protected function addGetTemplate(Compiler $compiler)
{
$compiler
->write('$this->loadTemplate(')
->subcompile($this->getNode('expr'))
->raw(', ')
->repr($this->getTemplateName())
->raw(', ')
->repr($this->getTemplateLine())
->raw(')')
;
}
protected function addTemplateArguments(Compiler $compiler)
{
if (!$this->hasNode('variables')) {
$compiler->raw(false === $this->getAttribute('only') ? '$context' : '[]');
} elseif (false === $this->getAttribute('only')) {
$compiler
->raw('twig_array_merge($context, ')
->subcompile($this->getNode('variables'))
->raw(')')
;
} else {
$compiler->raw('twig_to_array(');
$compiler->subcompile($this->getNode('variables'));
$compiler->raw(')');
}
}
}
class_alias('Twig\Node\IncludeNode', 'Twig_Node_Include');