Sergiors\Functional\Collection

Complexity

Total Complexity

17

Size/Duplication

Total Lines	144
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	2

14 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	filter()	0	4	1
A	map()	0	4	1
A	each()	0	4	1
A	reduce()	0	4	1
A	prepend()	0	4	1
A	append()	0	4	1
A	count()	0	4	1
A	getIterator()	0	4	1
A	toArray()	0	4	1
A	offsetExists()	0	4	1
A	offsetGet()	0	4	2
A	offsetSet()	0	9	2
A	offsetUnset()	0	6	2

<?php

namespace Sergiors\Functional;

/**
 * @author Sérgio Rafael Siqueira <sergio@inbep.com.br>
 */
class Collection implements \ArrayAccess, \IteratorAggregate, \Countable
{
    /**
     * @var array
     */
    private $ls;

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

    /**
     * @param \Closure $fn
     *
     * @return Collection
     */
    public function filter(\Closure $fn)
    {
        return new self(filter($fn, $this->ls));
    }

    /**
     * @param \Closure $fn
     *
     * @return Collection
     */
    public function map(\Closure $fn)
    {
        return new self(map($fn, $this->ls));
    }

    /**
     * @param \Closure $fn
     *
     * @return Collection
     */
    public function each(\Closure $fn)
    {
        return new self(each($fn, $this->ls));
    }

    /**
     * @param \Closure $fn
     *
     * @return mixed
     */
    public function reduce(\Closure $fn)
    {
        return reduce($fn, $this->ls);
    }

    /**
     * @param mixed $value
     *
     * @return Collection
     */
    public function prepend($value)
    {
        return new self(prepend($value, $this->ls));
    }

    /**
     * @param mixed $value
     *
     * @return Collection
     */
    public function append($value)
    {
        return new self(append($value, $this->ls));
    }

    /**
     * @return int
     */
    public function count()
    {
        return count($this->ls);
    }

    /**
     * @return \ArrayIterator
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->ls);
    }

    /**
     * @return array
     */
    public function toArray()
    {
        return $this->ls;
    }

    /**
     * @param mixed $offset
     *
     * @return bool
     */
    public function offsetExists($offset)
    {
        return has($offset, $this->ls);
    }

    /**
     * @param mixed $offset
     *
     * @return mixed
     */
    public function offsetGet($offset)
    {
        return prop($offset, $this->ls) ?: null;
    }

    /**
     * @param mixed $offset
     *
     * @param mixed $value
     */
    public function offsetSet($offset, $value)
    {
        if (null === $offset) {
            $this->ls[] = $value;
            return;
        }

        $this->ls[$offset] = $value;
    }

    /**
     * @param mixed $offset
     */
    public function offsetUnset($offset)
    {
        if ($this->offsetExists($offset)) {
            unset($this->ls[$offset]);
        }
    }
}