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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) 2010 Fabien Potencier
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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 a set node.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Node_Set extends Twig_Node
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{
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public function __construct($capture, Twig_NodeInterface $names, Twig_NodeInterface $values, $lineno, $tag = null)
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{
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parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture, 'safe' => false), $lineno, $tag);
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/*
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* Optimizes the node when capture is used for a large block of text.
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*
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* {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig_Markup("foo");
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*/
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if ($this->getAttribute('capture')) {
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$this->setAttribute('safe', true);
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$values = $this->getNode('values');
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if ($values instanceof Twig_Node_Text) {
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$this->setNode('values', new Twig_Node_Expression_Constant($values->getAttribute('data'), $values->getLine()));
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$this->setAttribute('capture', false);
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}
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}
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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($this);
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if (count($this->getNode('names')) > 1) {
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$compiler->write('list(');
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foreach ($this->getNode('names') as $idx => $node) {
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if ($idx) {
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$compiler->raw(', ');
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}
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$compiler->subcompile($node);
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}
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$compiler->raw(')');
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} else {
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if ($this->getAttribute('capture')) {
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$compiler
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->write("ob_start();\n")
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->subcompile($this->getNode('values'))
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;
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}
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$compiler->subcompile($this->getNode('names'), false);
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if ($this->getAttribute('capture')) {
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$compiler->raw(" = ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())");
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}
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}
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if (!$this->getAttribute('capture')) {
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$compiler->raw(' = ');
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if (count($this->getNode('names')) > 1) {
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$compiler->write('array(');
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foreach ($this->getNode('values') as $idx => $value) {
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if ($idx) {
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$compiler->raw(', ');
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}
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$compiler->subcompile($value);
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}
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$compiler->raw(')');
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} else {
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if ($this->getAttribute('safe')) {
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$compiler
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->raw("('' === \$tmp = ")
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->subcompile($this->getNode('values'))
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->raw(") ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())")
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;
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} else {
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$compiler->subcompile($this->getNode('values'));
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}
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}
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}
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$compiler->raw(";\n");
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}
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}
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