League\Csv\CsvControlTrait

Complexity

Total Complexity

2

Size/Duplication

Total Lines	22
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	filterControl()	0	8	2

<?php
/**
* This file is part of the League.csv library
*
* @license http://opensource.org/licenses/MIT
* @link https://github.com/thephpleague/csv/
* @version 9.0.0
* @package League.csv
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);

namespace League\Csv;

use League\Csv\Exception\LengthException;

/**
 *  A trait to validate csv control characters
 *
 * @package  League.csv
 * @since    9.0.0
 * @author   Ignace Nyamagana Butera <nyamsprod@gmail.com>
 * @internal Use to validate incoming data
 */
trait CsvControlTrait
{
    /**
     * Filter Csv control character
     *
     * @param string $char   Csv control character
     * @param string $type   Csv control character type
     * @param string $caller public API method calling the method
     *
     * @throws LengthException If the Csv control character is not one character only.
     *
     * @return string
     */
    protected function filterControl(string $char, string $type, string $caller): string
    {
        if (1 == strlen($char)) {
            return $char;
        }

        throw new LengthException(sprintf('%s() expects %s to be a single character %s given', $caller, $type, $char));
    }
}