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