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<?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.
*/
/**
* Façade implementation that uses File_Iterator_Factory to create a
* File_Iterator that operates on an AppendIterator that contains an
* RecursiveDirectoryIterator for each given path. The list of unique
* files is returned as an array.
*
* @since Class available since Release 1.3.0
*/
class File_Iterator_Facade
{
/**
* @param array|string $paths
* @param array|string $suffixes
* @param array|string $prefixes
* @param array $exclude
* @param bool $commonPath
* @return array
*/
public function getFilesAsArray($paths, $suffixes = '', $prefixes = '', array $exclude = array(), $commonPath = FALSE)
{
if (is_string($paths)) {
$paths = array($paths);
}
$factory = new File_Iterator_Factory;
$iterator = $factory->getFileIterator(
$paths, $suffixes, $prefixes, $exclude
);
$files = array();
foreach ($iterator as $file) {
$file = $file->getRealPath();
if ($file) {
$files[] = $file;
}
}
foreach ($paths as $path) {
if (is_file($path)) {
$files[] = realpath($path);
}
}
$files = array_unique($files);
sort($files);
if ($commonPath) {
return array(
'commonPath' => $this->getCommonPath($files),
'files' => $files
);
} else {
return $files;
}
}
/**
* Returns the common path of a set of files.
*
* @param array $files
* @return string
*/
protected function getCommonPath(array $files)
{
$count = count($files);
if ($count == 0) {
return '';
}
if ($count == 1) {
return dirname($files[0]) . DIRECTORY_SEPARATOR;
}
$_files = array();
foreach ($files as $file) {
$_files[] = $_fileParts = explode(DIRECTORY_SEPARATOR, $file);
if (empty($_fileParts[0])) {
$_fileParts[0] = DIRECTORY_SEPARATOR;
}
}
$common = '';
$done = FALSE;
$j = 0;
$count--;
while (!$done) {
for ($i = 0; $i < $count; $i++) {
if ($_files[$i][$j] != $_files[$i+1][$j]) {
$done = TRUE;
break;
}
}
if (!$done) {
$common .= $_files[0][$j];
if ($j > 0) {
$common .= DIRECTORY_SEPARATOR;
}
}
$j++;
}
return DIRECTORY_SEPARATOR . $common;
}
}
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