<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Finder\Adapter;
use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Expression\Expression;
/**
* Shell engine implementation using GNU find command.
*
* @author Jean-François Simon <contact@jfsimon.fr>
*/
class GnuFindAdapter extends AbstractFindAdapter
{
/**
* {@inheritdoc}
*/
public function getName()
{
return 'gnu_find';
}
/**
* {@inheritdoc}
*/
protected function buildFormatSorting(Command $command, $sort)
{
switch ($sort) {
case SortableIterator::SORT_BY_NAME:
$command->ins('sort')->add('| sort');
return;
case SortableIterator::SORT_BY_TYPE:
$format = '%y';
break;
case SortableIterator::SORT_BY_ACCESSED_TIME:
$format = '%A@';
break;
case SortableIterator::SORT_BY_CHANGED_TIME:
$format = '%C@';
break;
case SortableIterator::SORT_BY_MODIFIED_TIME:
$format = '%T@';
break;
default:
throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
}
$command
->get('find')
->add('-printf')
->arg($format.' %h/%f\\n')
->add('| sort | cut')
->arg('-d ')
->arg('-f2-')
;
}
/**
* {@inheritdoc}
*/
protected function canBeUsed()
{
return $this->shell->getType() === Shell::TYPE_UNIX && parent::canBeUsed();
}
/**
* {@inheritdoc}
*/
protected function buildFindCommand(Command $command, $dir)
{
return parent::buildFindCommand($command, $dir)->add('-regextype posix-extended');
}
/**
* {@inheritdoc}
*/
protected function buildContentFiltering(Command $command, array $contains, $not = false)
{
foreach ($contains as $contain) {
$expr = Expression::create($contain);
// todo: avoid forking process for each $pattern by using multiple -e options
$command
->add('| xargs -I{} -r grep -I')
->add($expr->isCaseSensitive() ? null : '-i')
->add($not ? '-L' : '-l')
->add('-Ee')->arg($expr->renderPattern())
->add('{}')
;
}
}
}
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