Finalizer\Scanner\DirectoryFileScanner

Complexity

Total Complexity

2

Size/Duplication

Total Lines	41
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	16	1
A	buildRegexDirectoryIterator()	0	11	1

<?php

namespace Finalizer\Scanner;

use Finalizer\Iterator\MapIterator;

final class DirectoryFileScanner
{
    /**
     * @param string[] $directories

     * @return \Traversable|string[] paths of all the existing PHP files in the given directories
     */
    public function __invoke(array $directories)
    {
        $appendIterator = new \AppendIterator();

        array_map(
            [$appendIterator, 'append'],
            array_map([$this, 'buildRegexDirectoryIterator'], $directories)
        );

        return new MapIterator(
            $appendIterator,
            function (array $fileInfo) {
                return $fileInfo[0];
            }
        );
    }

    /**
     * @param string $path
     *
     * @return \Iterator
     */
    private function buildRegexDirectoryIterator($path)
    {
        return new \RegexIterator(
            new \RecursiveIteratorIterator(
                new \RecursiveDirectoryIterator($path, \FilesystemIterator::SKIP_DOTS),
                \RecursiveIteratorIterator::LEAVES_ONLY
            ),
            '/^.+(\.php|\.hh)$/i',
            \RecursiveRegexIterator::GET_MATCH
        );
    }
}