<?php
/*
* This file is part of the File_Iterator package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Factory Method implementation that creates a File_Iterator that operates on
* an AppendIterator that contains an RecursiveDirectoryIterator for each given
* path.
*
* @since Class available since Release 1.1.0
*/
class File_Iterator_Factory
{
/**
* @param array|string $paths
* @param array|string $suffixes
* @param array|string $prefixes
* @param array $exclude
* @return AppendIterator
*/
public function getFileIterator($paths, $suffixes = '', $prefixes = '', array $exclude = array())
{
if (is_string($paths)) {
$paths = array($paths);
}
$paths = $this->getPathsAfterResolvingWildcards($paths);
$exclude = $this->getPathsAfterResolvingWildcards($exclude);
if (is_string($prefixes)) {
if ($prefixes != '') {
$prefixes = array($prefixes);
} else {
$prefixes = array();
}
}
if (is_string($suffixes)) {
if ($suffixes != '') {
$suffixes = array($suffixes);
} else {
$suffixes = array();
}
}
$iterator = new AppendIterator;
foreach ($paths as $path) {
if (is_dir($path)) {
$iterator->append(
new File_Iterator(
new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::FOLLOW_SYMLINKS)
),
$suffixes,
$prefixes,
$exclude,
$path
)
);
}
}
return $iterator;
}
/**
* @param array $paths
* @return array
*/
protected function getPathsAfterResolvingWildcards(array $paths)
{
$_paths = array();
foreach ($paths as $path) {
if ($locals = glob($path, GLOB_ONLYDIR)) {
$_paths = array_merge($_paths, array_map('realpath', $locals));
} else {
$_paths[] = realpath($path);
}
}
return $_paths;
}
}