<?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:----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----ATTACHMENT:----NDEwNTM3MDE3MDcwMjc2OSA5ODY0NDY1NTY2MTM2NTMgODU5OTU5MzAxNTYwODMwNw==