Webrouse\AssetMacro\Utils::normalizePath()

Complexity

Conditions	3
Paths	4

Size

Total Lines	23
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3.243

Importance

Changes

0

<?php
    public static function normalizePath($path, $separator = '\\/')
    {
        // Remove any kind of unicode whitespace
        $normalized = preg_replace('#\p{C}+|^\./#u', '', $path);

        // Path remove self referring paths ("/./").
        $normalized = preg_replace('#/\.(?=/)|^\./|\./$#', '', $normalized);

        // Regex for resolving relative paths
        $regex = '#\/*[^/\.]+/\.\.#Uu';

        while (preg_match($regex, $normalized)) {
            $normalized = preg_replace($regex, '', $normalized);
        }

        if (preg_match('#/\.{2}|\.{2}/#', $normalized)) {
            throw new InvalidPathException(
                sprintf("Path is outside of the defined root, path: '%s', resolved: '%s'.", $path, $normalized)
            );
        }

        return rtrim($normalized, $separator);
    }

}