Gaufrette\Util\Path

Complexity

Total Complexity

10

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes	2
Bugs	1	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
B	normalize()	0	26	6
A	isAbsolute()	0	4	1
A	getAbsolutePrefix()	0	10	2
A	dirname()	0	4	1

<?php

namespace Gaufrette\Util;

/**
 * Path utils.
 *
 * @author  Antoine Hérault <antoine.herault@gmail.com>
 */
class Path
{
    /**
     * Normalizes the given path.
     *
     * @param string $path
     *
     * @return string
     */
    public static function normalize($path)
    {
        $path = str_replace('\\', '/', $path);
        $prefix = static::getAbsolutePrefix($path);
        $path = substr($path, strlen($prefix));
        $parts = array_filter(explode('/', $path), 'strlen');
        $tokens = array();

        foreach ($parts as $part) {
            switch ($part) {
                case '.':
                    continue;
                case '..':

There must be a comment when fall-through is intentional in a non-empty case body

                    if (0 !== count($tokens)) {
                        array_pop($tokens);
                        continue;
                    } elseif (!empty($prefix)) {
                        continue;
                    }
                default:
                    $tokens[] = $part;
            }
        }

        return $prefix.implode('/', $tokens);
    }

    /**
     * Indicates whether the given path is absolute or not.
     *
     * @param string $path A normalized path
     *
     * @return bool
     */
    public static function isAbsolute($path)
    {
        return '' !== static::getAbsolutePrefix($path);
    }

    /**
     * Returns the absolute prefix of the given path.
     *
     * @param string $path A normalized path
     *
     * @return string
     */
    public static function getAbsolutePrefix($path)
    {
        preg_match('|^(?P<prefix>([a-zA-Z]+:)?//?)|', $path, $matches);

        if (empty($matches['prefix'])) {
            return '';
        }

        return strtolower($matches['prefix']);
    }

    /**
     * Wrap native dirname function in order to handle only UNIX-style paths
     *
     * @param string $path
     *
     * @return string
     *
     * @see http://php.net/manual/en/function.dirname.php
     */
    public static function dirname($path)
    {
        return str_replace('\\', '/', \dirname($path));
    }
}