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<?php
/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace Symfony\Component\ExpressionLanguage\Node;
use Symfony\Component\ExpressionLanguage\Compiler;
/** * Represents a node in the AST. * * @author Fabien Potencier <fabien@symfony.com> */ class Node { public $nodes = array(); public $attributes = array();
/** * @param array $nodes An array of nodes * @param array $attributes An array of attributes */ public function __construct(array $nodes = array(), array $attributes = array()) { $this->nodes = $nodes; $this->attributes = $attributes; }
public function __toString() { $attributes = array(); foreach ($this->attributes as $name => $value) { $attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true))); }
$repr = array(str_replace('Symfony\Component\ExpressionLanguage\Node\\', '', \get_class($this)).'('.implode(', ', $attributes));
if (\count($this->nodes)) { foreach ($this->nodes as $node) { foreach (explode("\n", (string) $node) as $line) { $repr[] = ' '.$line; } }
$repr[] = ')'; } else { $repr[0] .= ')'; }
return implode("\n", $repr); }
public function compile(Compiler $compiler) { foreach ($this->nodes as $node) { $node->compile($compiler); } }
public function evaluate($functions, $values) { $results = array(); foreach ($this->nodes as $node) { $results[] = $node->evaluate($functions, $values); }
return $results; } }
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