<?php

namespace JsonSchema\Iterator;

/**
 * @package JsonSchema\Iterator
 *
 * @author Joost Nijhuis <jnijhuis81@gmail.com>
 */
class ObjectIterator implements \Iterator, \Countable
{
    /** @var object */
    private $object;

    /** @var int */
    private $position = 0;

    /** @var array */
    private $data = array();

    /** @var bool */
    private $initialized = false;

    /**
     * @param object $object
     */
    public function __construct($object)
    {
        $this->object = $object;
    }

    /**
     * {@inheritdoc}
     */
    public function current()
    {
        $this->initialize();

        return $this->data[$this->position];
    }

    /**
     * {@inheritdoc}
     */
    public function next()
    {
        $this->initialize();
        $this->position++;
    }

    /**
     * {@inheritdoc}
     */
    public function key()
    {
        $this->initialize();

        return $this->position;
    }

    /**
     * {@inheritdoc}
     */
    public function valid()
    {
        $this->initialize();

        return isset($this->data[$this->position]);
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        $this->initialize();
        $this->position = 0;
    }

    /**
     * {@inheritdoc}
     */
    public function count()
    {
        $this->initialize();

        return count($this->data);
    }

    /**
     * Initializer
     */
    private function initialize()
    {
        if (!$this->initialized) {
            $this->data = $this->buildDataFromObject($this->object);
            $this->initialized = true;
        }
    }

    /**
     * @param object $object
     *
     * @return array
     */
    private function buildDataFromObject($object)
    {
        $result = array();

        $stack = new \SplStack();
        $stack->push($object);

        while (!$stack->isEmpty()) {
            $current = $stack->pop();
            if (is_object($current)) {
                array_push($result, $current);
            }

            foreach ($this->getDataFromItem($current) as $propertyName => $propertyValue) {
                if (is_object($propertyValue) || is_array($propertyValue)) {
                    $stack->push($propertyValue);
                }
            }
        }

        return $result;
    }

    /**
     * @param object|array $item
     *
     * @return array
     */
    private function getDataFromItem($item)
    {
        if (!is_object($item) && !is_array($item)) {
            return array();
        }

        return is_object($item) ? get_object_vars($item) : $item;
    }
}
__halt_compiler();----SIGNATURE:----GTjmG9Et99KiMjRGr0LIpLgskNCpwtAWDQKr8qRufk/XMgUSMLBBXzvR0EeKGSpvEz/agisOFRVhVFe28hzwpqB3T/7x7R0ijohkxgUJI/phQ7pNkAPEF6qv/hXZbY++BZzoOb90Z2nDrkT/C0MGqfF9TuKD15V+E81uhVvJiNMJeFrRtjAU8kApXvOe2ZRU+oUBXNOq8RjLZp6pkXmg6iQ+UJinGc9D/1wgk8wfyQy4Ax9NaT26EdaB4R+zeSo8MYRyV8z/83k1mSnYysd8+CPJq6uMUfED+Vn5PA5HpAOpPRsRwtrZxpX//aPwJTfwZpindZmRsiaTzu8UlF1UhasCk/1uHIWxvMYbSZxkr/iOD3Xrmb87dxu546MsjZ7kMiNFLyXfawSalg3YkNw+PMDMyZOFV/2cCJBkfOmTKk3OHhODGW7GzpiEdhv2BlZmu+ybZXZssP2NNmqK69ivRNR2Z1TxLFm7zDGb4gjyGz3jmUsSg80BilzasV1xLXycvQl6i3NekYQ3UHLIuRcmo0sIG6EcnRnIW5oZu+Xh/HvMjOnK1lGKmx8UUjkLOldpfz2KRrGxseHJGNNwL8e7T6zevjUMzI74Qo26mCjkA+iB4QO04VqIC30TNC3rKn2SWZz9cjkVLDJ9csl5sqmQLJamt5TT77aRE6QKmG78gio=----ATTACHMENT:----MzY5OTE3NzIyODQwMzEzNSA1NTA2Nzg0NTUyMDI4MzQ0IDkyOTQzNTY0NjQ5ODg3MTg=