<?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('array(');
        $this->compileArguments($compiler);
        $compiler->raw(')');
    }

    public function evaluate($functions, $values)
    {
        $result = array();
        foreach ($this->getKeyValuePairs() as $pair) {
            $result[$pair['key']->evaluate($functions, $values)] = $pair['value']->evaluate($functions, $values);
        }

        return $result;
    }

    public function toArray()
    {
        $value = array();
        foreach ($this->getKeyValuePairs() as $pair) {
            $value[$pair['key']->attributes['value']] = $pair['value'];
        }

        $array = 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()
    {
        $pairs = array();
        foreach (array_chunk($this->nodes, 2) as $pair) {
            $pairs[] = array('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']);
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTYyMzI5MzAwNTEyOTc5NyA4NDk5OTE0MzY2NDkxMzM2IDQ5MjA1MTI4NTc2MzY4ODk=