popsu-d9/old.vendor/alchemy/zippy/src/Parser/BSDTarOutputParser.php
2022-04-27 11:30:43 +02:00

116 lines
3.2 KiB
PHP

<?php
/*
* This file is part of Zippy.
*
* (c) Alchemy <info@alchemy.fr>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Alchemy\Zippy\Parser;
use Alchemy\Zippy\Exception\RuntimeException;
/**
* This class is responsible of parsing GNUTar command line output
*/
class BSDTarOutputParser implements ParserInterface
{
const PERMISSIONS = '([ldrwx-]+)';
const HARD_LINK = '(\d+)';
const OWNER = '([a-z][-a-z0-9]*)';
const GROUP = '([a-z][-a-z0-9]*)';
const FILESIZE = '(\d*)';
const DATE = '([a-zA-Z0-9]+\s+[a-z0-9]+\s+[a-z0-9:]+)';
const FILENAME = '(.*)';
/**
* @inheritdoc
*/
public function parseFileListing($output)
{
$lines = array_values(array_filter(explode("\n", $output)));
$members = array();
// BSDTar outputs two differents format of date according to the mtime
// of the member. If the member is younger than six months the year is not shown.
// On 4.5+ FreeBSD system the day is displayed first
$dateFormats = array('M d Y', 'M d H:i', 'd M Y', 'd M H:i');
foreach ($lines as $line) {
$matches = array();
// drw-rw-r-- 0 toto titi 0 Jan 3 1980 practice/
// -rw-rw-r-- 0 toto titi 10240 Jan 22 13:31 practice/records
if (!preg_match_all("#" .
self::PERMISSIONS . "\s+" . // match (drw-r--r--)
self::HARD_LINK . "\s+" . // match (1)
self::OWNER . "\s" . // match (toto)
self::GROUP . "\s+" . // match (titi)
self::FILESIZE . "\s+" . // match (0)
self::DATE . "\s+" . // match (Jan 3 1980)
self::FILENAME . // match (practice)
"#", $line, $matches, PREG_SET_ORDER
)) {
continue;
}
$chunks = array_shift($matches);
if (8 !== count($chunks)) {
continue;
}
$date = null;
foreach ($dateFormats as $format) {
$date = \DateTime::createFromFormat($format, $chunks[6]);
if (false === $date) {
continue;
} else {
break;
}
}
if (false === $date) {
throw new RuntimeException(sprintf('Failed to parse mtime date from %s', $line));
}
$members[] = array(
'location' => $chunks[7],
'size' => $chunks[5],
'mtime' => $date,
'is_dir' => 'd' === $chunks[1][0]
);
}
return $members;
}
/**
* @inheritdoc
*/
public function parseInflatorVersion($output)
{
$chunks = explode(' ', $output, 3);
if (2 > count($chunks)) {
return null;
}
list(, $version) = explode(' ', $output, 3);
return $version;
}
/**
* @inheritdoc
*/
public function parseDeflatorVersion($output)
{
return $this->parseInflatorVersion($output);
}
}