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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;
- /**
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @internal
- */
- class ArrayNode extends Node
- {
- protected $index;
- public function __construct()
- {
- $this->index = -1;
- }
- public function addElement(Node $value, Node $key = null)
- {
- if (null === $key) {
- $key = new ConstantNode(++$this->index);
- }
- array_push($this->nodes, $key, $value);
- }
- /**
- * Compiles the node to PHP.
- */
- public function compile(Compiler $compiler)
- {
- $compiler->raw('[');
- $this->compileArguments($compiler);
- $compiler->raw(']');
- }
- public function evaluate(array $functions, array $values)
- {
- $result = [];
- foreach ($this->getKeyValuePairs() as $pair) {
- $result[$pair['key']->evaluate($functions, $values)] = $pair['value']->evaluate($functions, $values);
- }
- return $result;
- }
- public function toArray()
- {
- $value = [];
- foreach ($this->getKeyValuePairs() as $pair) {
- $value[$pair['key']->attributes['value']] = $pair['value'];
- }
- $array = [];
- if ($this->isHash($value)) {
- foreach ($value as $k => $v) {
- $array[] = ', ';
- $array[] = new ConstantNode($k);
- $array[] = ': ';
- $array[] = $v;
- }
- $array[0] = '{';
- $array[] = '}';
- } else {
- foreach ($value as $v) {
- $array[] = ', ';
- $array[] = $v;
- }
- $array[0] = '[';
- $array[] = ']';
- }
- return $array;
- }
- protected function getKeyValuePairs()
- {
- $pairs = [];
- foreach (array_chunk($this->nodes, 2) as $pair) {
- $pairs[] = ['key' => $pair[0], 'value' => $pair[1]];
- }
- return $pairs;
- }
- protected function compileArguments(Compiler $compiler, $withKeys = true)
- {
- $first = true;
- foreach ($this->getKeyValuePairs() as $pair) {
- if (!$first) {
- $compiler->raw(', ');
- }
- $first = false;
- if ($withKeys) {
- $compiler
- ->compile($pair['key'])
- ->raw(' => ')
- ;
- }
- $compiler->compile($pair['value']);
- }
- }
- }
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