<?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:----MzA1MjEzMDczMzU4NDEwOCA1NDk0MDExNzE5MDE0NjIyIDQ4NjE3NTI0OTEyOTkyMDI=