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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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* (c) 2009 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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/**
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* Represents an include node.
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*
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* @package twig
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Node_Include extends Twig_Node implements Twig_NodeOutputInterface
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{
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public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
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{
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parent::__construct(array('expr' => $expr, 'variables' => $variables), array('only' => (Boolean) $only, 'ignore_missing' => (Boolean) $ignoreMissing), $lineno, $tag);
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}
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/**
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* Compiles the node to PHP.
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*
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* @param Twig_Compiler A Twig_Compiler instance
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*/
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public function compile(Twig_Compiler $compiler)
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{
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$compiler->addDebugInfo($this);
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if ($this->getAttribute('ignore_missing')) {
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$compiler
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->write("try {\n")
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->indent()
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;
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}
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$this->addGetTemplate($compiler);
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$compiler->raw('->display(');
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$this->addTemplateArguments($compiler);
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$compiler->raw(");\n");
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if ($this->getAttribute('ignore_missing')) {
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$compiler
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->outdent()
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->write("} catch (Twig_Error_Loader \$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\n")
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;
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}
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}
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protected function addGetTemplate(Twig_Compiler $compiler)
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{
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if ($this->getNode('expr') instanceof Twig_Node_Expression_Constant) {
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$compiler
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->write("\$this->env->loadTemplate(")
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->subcompile($this->getNode('expr'))
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->raw(")")
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;
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} else {
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$compiler
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->write("\$template = \$this->env->resolveTemplate(")
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->subcompile($this->getNode('expr'))
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->raw(");\n")
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->write('$template')
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;
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}
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}
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protected function addTemplateArguments(Twig_Compiler $compiler)
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{
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if (false === $this->getAttribute('only')) {
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if (null === $this->getNode('variables')) {
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$compiler->raw('$context');
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} else {
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$compiler
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->raw('array_merge($context, ')
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->subcompile($this->getNode('variables'))
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->raw(')')
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;
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}
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} else {
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if (null === $this->getNode('variables')) {
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$compiler->raw('array()');
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} else {
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$compiler->subcompile($this->getNode('variables'));
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}
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}
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}
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}
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