League\CommonMark\Util\UrlEncoder

Complexity

Total Complexity

6

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
B	unescapeAndEncode()	0	27	6

<?php

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
 *  - (c) John MacFarlane
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Util;

final class UrlEncoder
{
    private static $encodeCache = ["%00","%01","%02","%03","%04","%05","%06","%07","%08","%09","%0A","%0B","%0C","%0D","%0E","%0F","%10","%11","%12","%13","%14","%15","%16","%17","%18","%19","%1A","%1B","%1C","%1D","%1E","%1F","%20","!","%22","#","$","%25","&","'","(",")","*","+",",","-",".","/","0","1","2","3","4","5","6","7","8","9",":",";","%3C","=","%3E","?","@","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","%5B","%5C","%5D","%5E","_","%60","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","%7B","%7C","%7D","~","%7F"];

    /**
     * @param string $uri
     *
     * @return string
     */
    public static function unescapeAndEncode(string $uri): string
    {
        $result = '';

        /** @var string[] $chars */
        $chars = \preg_split('//u', $uri, -1, \PREG_SPLIT_NO_EMPTY);
        $l = \count($chars);
        for ($i = 0; $i < $l; $i++) {
            $code = $chars[$i];
            if ($code === '%' && $i + 2 < $l) {
                if (\preg_match('/^[0-9a-f]{2}$/i', $chars[$i+1] . $chars[$i+2]) === 1) {
                    $result .= '%' . $chars[$i+1] . $chars[$i+2];
                    $i += 2;
                    continue;
                }
            }

            if (\ord($code) < 128) {
                $result .= self::$encodeCache[\ord($code)];
                continue;
            }

            $result .= \rawurlencode($code);
        }

        return $result;
    }
}