111 lines
3.2 KiB
PHP
111 lines
3.2 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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use Twig\Node\Expression\AbstractExpression;
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/**
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* Represents an include 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 IncludeNode extends Node implements NodeOutputInterface
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{
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public function __construct(AbstractExpression $expr, ?AbstractExpression $variables, bool $only, bool $ignoreMissing, int $lineno, ?string $tag = null)
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{
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$nodes = ['expr' => $expr];
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if (null !== $variables) {
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$nodes['variables'] = $variables;
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}
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parent::__construct($nodes, ['only' => $only, 'ignore_missing' => $ignoreMissing], $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($this);
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if ($this->getAttribute('ignore_missing')) {
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$template = $compiler->getVarName();
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$compiler
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->write(\sprintf("$%s = null;\n", $template))
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->write("try {\n")
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->indent()
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->write(\sprintf('$%s = ', $template))
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;
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$this->addGetTemplate($compiler);
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$compiler
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->raw(";\n")
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->outdent()
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->write("} catch (LoaderError \$e) {\n")
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->indent()
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->write("// ignore missing template\n")
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->outdent()
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->write("}\n")
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->write(\sprintf("if ($%s) {\n", $template))
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->indent()
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->write(\sprintf('yield from $%s->unwrap()->yield(', $template))
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;
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$this->addTemplateArguments($compiler);
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$compiler
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->raw(");\n")
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->outdent()
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->write("}\n")
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;
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} else {
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$compiler->write('yield from ');
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$this->addGetTemplate($compiler);
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$compiler->raw('->unwrap()->yield(');
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$this->addTemplateArguments($compiler);
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$compiler->raw(");\n");
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}
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}
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protected function addGetTemplate(Compiler $compiler)
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{
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$compiler
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->write('$this->loadTemplate(')
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->subcompile($this->getNode('expr'))
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->raw(', ')
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->repr($this->getTemplateName())
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->raw(', ')
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->repr($this->getTemplateLine())
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->raw(')')
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;
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}
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protected function addTemplateArguments(Compiler $compiler)
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{
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if (!$this->hasNode('variables')) {
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$compiler->raw(false === $this->getAttribute('only') ? '$context' : '[]');
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} elseif (false === $this->getAttribute('only')) {
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$compiler
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->raw('CoreExtension::merge($context, ')
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->subcompile($this->getNode('variables'))
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->raw(')')
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;
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} else {
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$compiler->raw('CoreExtension::toArray(');
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$compiler->subcompile($this->getNode('variables'));
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$compiler->raw(')');
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}
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}
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}
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