MVar\Apache2LogParser\KeyBag

Complexity

Total Complexity

5

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	add()	0	6	1
A	get()	0	8	2
A	registerNamespace()	0	4	1
A	getNamespaces()	0	4	1

<?php

/*
 * (c) Mantas Varatiejus <var.mantas@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace MVar\Apache2LogParser;

/**
 * This is the class that holds temporary keys for preg_match(). It helps
 * to convert flat array to multidimensional.
 */
class KeyBag
{
    /**
     * @var array
     */
    protected $storage = [];

    /**
     * Stores key to local storage and returns it's index
     *
     * @param string $namespace
     * @param string $key
     *
     * @return int Stored key index
     */
    public function add($namespace, $key)
    {
        $this->storage[$namespace][] = $key;

        return count($this->storage[$namespace]) - 1;
    }

    /**
     * Returns key from local storage
     *
     * @param string $namespace
     * @param int    $index
     *
     * @return string|null
     */
    public function get($namespace, $index)
    {
        if (!isset($this->storage[$namespace][$index])) {
            return null;
        }

        return $this->storage[$namespace][$index];
    }

    /**
     * Registers namespace
     *
     * @param string $namespace
     */
    public function registerNamespace($namespace)
    {
        $this->storage[$namespace] = [];
    }

    /**
     * Returns names of all stored namespaces
     *
     * @return array
     */
    public function getNamespaces()
    {
        return array_keys($this->storage);
    }
}