Bavix\Slice\Slice

Complexity

Total Complexity

29

Size/Duplication

Total Lines	199
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

16 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	9	2
A	from()	0	11	2
B	asArray()	0	19	6
B	walk()	0	16	5
A	asGenerator()	0	7	2
A	keys()	0	4	1
A	asObject()	0	4	1
A	setData()	0	6	1
A	getData()	0	4	1
A	getSlice()	0	4	1
A	make()	0	4	1
A	getRequired()	0	4	1
A	offsetExists()	0	4	1
A	offsetGet()	0	4	1
A	offsetSet()	0	9	2
A	offsetUnset()	0	4	1

<?php

namespace Bavix\Slice;

use Bavix\Helpers\Arr;
use Bavix\Iterator\Iterator;
use Bavix\Exceptions;

class Slice extends Iterator
{

    /**
     * Slice constructor.
     *
     * @param array       $data
     * @param array|Slice $parameters
     */
    public function __construct(array $data, $parameters = null)
    {
        parent::__construct($data);

        if (null !== $parameters)
        {
            $this->walk($parameters);
        }
    }

    /**
     * @param array|\Traversable $data
     *
     * @return self
     */
    public static function from($data): self
    {
        if ($data instanceof self)
        {
            return $data;
        }

        return new static(
            Arr::iterator($data)
        );
    }

    /**
     * @param int  $depth
     *
     * @return array
     */
    public function asArray($depth = INF)
    {
        if (!$depth || $depth <= 0)
        {
            return $this->data;
        }

        $results = [];

        foreach (parent::asArray() as $key => $data)
        {
            $results[$key] =
                $data instanceof self ?
                    $data->asArray(is_bool($data) ? INF : --$depth) :
                    $data;
        }

        return $results;
    }

    /**
     * @param Slice|array $slice
     */
    protected function walk($slice)
    {
        if (is_array($slice))
        {
            $slice = $this->make($slice);
        }

        Arr::walkRecursive($this->data, function (&$value) use ($slice)
        {
            if (is_string($value) && $value{0} === '%' && $value{\strlen($value) - 1} === '%')
            {
                $path  = \substr($value, 1, -1);
                $value = $slice->getData($path);
            }
        });
    }

    /**
     * @return \Generator|Slice[]
     */
    public function asGenerator()
    {
        foreach ($this->data as $key => $object)
        {
            yield $key => $this->make($object);
        }
    }

    /**
     * @return array
     */
    public function keys()
    {
        return Arr::getKeys($this->data);
    }

    /**
     * @return Slice[]
     */
    public function asObject()
    {
        return Arr::iterator($this->asGenerator());
    }

    /**
     * @param array $data
     *
     * @return static
     */
    public function setData(array $data)
    {
        $this->data = $data;

        return $this;
    }

    /**
     * @param string $offset
     * @param mixed  $default
     *
     * @return mixed
     */
    public function getData($offset, $default = null)
    {
        return Arr::get($this->data, $offset, $default);
    }

    /**
     * @param string $offset
     *
     * @return Slice
     */
    public function getSlice($offset)
    {
        return $this->make($this->getRequired($offset));
    }

    /**
     * @param array $data
     *
     * @return Slice
     */
    public function make(array $data)
    {
        return (clone $this)->setData($data);
    }

    /**
     * @param string $offset
     *
     * @return array|mixed
     */
    public function getRequired($offset)
    {
        return Arr::getRequired($this->data, $offset);
    }

    /**
     * @inheritdoc
     */
    public function offsetExists($offset)
    {
        return Arr::get($this->data, $offset) !== null;
    }

    /**
     * @inheritdoc
     */
    public function offsetGet($offset)
    {
        return $this->getRequired($offset);
    }

    /**
     * @inheritdoc
     */
    public function offsetSet($offset, $value)
    {
        if (null === $offset)
        {
            throw new Exceptions\Invalid('Slice does not support NULL');
        }

        Arr::set($this->data, $offset, $value);
    }

    /**
     * @inheritdoc
     */
    public function offsetUnset($offset)
    {
        Arr::remove($this->data, $offset);
    }

}