76 lines
1.8 KiB
PHP
76 lines
1.8 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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* (c) Armin Ronacher
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Twig\Node;
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use Twig\Attribute\YieldReady;
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use Twig\Compiler;
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/**
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* Represents an if node.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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#[YieldReady]
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class IfNode extends Node
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{
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public function __construct(Node $tests, ?Node $else, int $lineno, ?string $tag = null)
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{
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$nodes = ['tests' => $tests];
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if (null !== $else) {
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$nodes['else'] = $else;
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}
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parent::__construct($nodes, [], $lineno, $tag);
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}
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public function compile(Compiler $compiler): void
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{
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$compiler->addDebugInfo($this);
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for ($i = 0, $count = \count($this->getNode('tests')); $i < $count; $i += 2) {
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if ($i > 0) {
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$compiler
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->outdent()
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->write('} elseif (')
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;
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} else {
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$compiler
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->write('if (')
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;
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}
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$compiler
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->subcompile($this->getNode('tests')->getNode((string) $i))
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->raw(") {\n")
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->indent()
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;
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// The node might not exists if the content is empty
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if ($this->getNode('tests')->hasNode((string) ($i + 1))) {
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$compiler->subcompile($this->getNode('tests')->getNode((string) ($i + 1)));
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}
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}
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if ($this->hasNode('else')) {
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$compiler
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->outdent()
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->write("} else {\n")
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->indent()
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->subcompile($this->getNode('else'))
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;
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}
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$compiler
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->outdent()
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->write("}\n");
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}
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}
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