PragmaRX\Random\Random

Complexity

Total Complexity

18

Size/Duplication

Total Lines	204
Duplicated Lines	0 %

Coupling/Cohesion

Components	5
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

15 Methods

Rating	Name	Duplication	Size	Complexity
A	extractPattern()	0	10	2
A	getEnd()	0	4	1
A	getPattern()	0	4	1
A	noPattern()	0	6	1
A	getSize()	0	4	2
A	getStart()	0	4	1
A	hex()	0	6	1
A	pattern()	0	6	1
A	trimToExpectedSize()	0	4	2
A	numeric()	0	6	1
A	alpha()	0	6	1
A	end()	0	6	1
A	start()	0	6	1
A	size()	0	6	1
A	get()	0	6	1

<?php

namespace PragmaRX\Random;

class Random
{
    use Generators, CharCase;

    const DEFAULT_STRING_SIZE = 16;

    const DEFAULT_PATTERN = '[A-Za-z0-9]';

    protected $numeric = false;

    protected $start = 0;

    protected $end = PHP_INT_MAX;

    protected $size = null;

    protected $pattern = '[A-Za-z0-9]';

    /**
     * Extract a string pattern from a string.
     *
     * @param $string
     * @return string
     */
    protected function extractPattern($string)
    {
        if (is_null($pattern = $this->getPattern())) {
            return $string;
        }

        preg_match_all("/$pattern/", $string, $matches);

        return implode('', $matches[0]);
    }

    /**
     * Get numeric end.
     *
     * @return int
     */
    public function getEnd()
    {
        return $this->end;
    }

    /**
     * Get string pattern.
     *
     * @return string
     */
    public function getPattern()
    {
        return $this->pattern;
    }

    /**
     * Get string pattern.
     *
     * @return string
     */
    public function noPattern()
    {
        $this->pattern = null;

        return $this;
    }

    /**
     * Get the final string size.
     *
     * @return integer
     */
    public function getSize()
    {
        return $this->size ?: static::DEFAULT_STRING_SIZE;
    }

    /**
     * Get numeric start.
     *
     * @return int
     */
    public function getStart()
    {
        return $this->start;
    }

    /**
     * Generate a random hex.
     *
     * @return string
     */
    public function hex()
    {
        $this->pattern('[a-f0-9]')->uppercase();

        return $this;
    }

    /**
     * Set string pattern.
     *
     * @param string $pattern
     * @return $this
     */
    public function pattern($pattern)
    {
        $this->pattern = $pattern;

        return $this;
    }

    /**
     * Trim string to expected size.
     *
     * @param $string
     * @param int|null $size
     * @return string
     */
    protected function trimToExpectedSize($string, $size = null)
    {
        return substr($string, 0, $size ?: $this->getSize());
    }

    /**
     * Set result to numeric.
     *
     * @param bool $state
     * @return $this
     */
    public function numeric($state = true)
    {
        $this->numeric = $state;

        return $this;
    }

    /**
     * Set result to alpha.
     *
     * @param bool $state
     * @return $this
     */
    public function alpha($state = true)
    {
        $this->numeric = !$state;

        return $this;
    }

    /**
     * Set numeric end.
     *
     * @param int $end
     * @return $this
     */
    public function end($end)
    {
        $this->end = $end;

        return $this;
    }

    /**
     * Set numeric start.
     *
     * @param int $start
     * @return $this
     */
    public function start($start)
    {
        $this->start = $start;

        return $this;
    }


    /**
     * Set the return string size.
     *
     * @param $size
     * @return $this
     */
    public function size($size)
    {
        $this->size = $size;

        return $this;
    }

    /**
     * Generate a more truly "random" alpha-numeric string.
     *
     * Extracted from Laravel Framework: Illuminate\Support\Str
     *
     * @return string|int
     */
    public function get()
    {
        return $this->changeCase(
            $this->generate()
        );
    }
}