--- /dev/null
+<?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;
+
+@trigger_error('The '.__NAMESPACE__.'\AbstractFindAdapter class is deprecated since version 2.8 and will be removed in 3.0. Use directly the Finder class instead.', E_USER_DEPRECATED);
+
+use Symfony\Component\Finder\Exception\AccessDeniedException;
+use Symfony\Component\Finder\Iterator;
+use Symfony\Component\Finder\Shell\Shell;
+use Symfony\Component\Finder\Expression\Expression;
+use Symfony\Component\Finder\Shell\Command;
+use Symfony\Component\Finder\Comparator\NumberComparator;
+use Symfony\Component\Finder\Comparator\DateComparator;
+
+/**
+ * Shell engine implementation using GNU find command.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ *
+ * @deprecated since 2.8, to be removed in 3.0. Use Finder instead.
+ */
+abstract class AbstractFindAdapter extends AbstractAdapter
+{
+ /**
+ * @var Shell
+ */
+ protected $shell;
+
+ /**
+ * Constructor.
+ */
+ public function __construct()
+ {
+ $this->shell = new Shell();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function searchInDirectory($dir)
+ {
+ // having "/../" in path make find fail
+ $dir = realpath($dir);
+
+ // searching directories containing or not containing strings leads to no result
+ if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode && ($this->contains || $this->notContains)) {
+ return new Iterator\FilePathsIterator(array(), $dir);
+ }
+
+ $command = Command::create();
+ $find = $this->buildFindCommand($command, $dir);
+
+ if ($this->followLinks) {
+ $find->add('-follow');
+ }
+
+ $find->add('-mindepth')->add($this->minDepth + 1);
+
+ if (PHP_INT_MAX !== $this->maxDepth) {
+ $find->add('-maxdepth')->add($this->maxDepth + 1);
+ }
+
+ if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode) {
+ $find->add('-type d');
+ } elseif (Iterator\FileTypeFilterIterator::ONLY_FILES === $this->mode) {
+ $find->add('-type f');
+ }
+
+ $this->buildNamesFiltering($find, $this->names);
+ $this->buildNamesFiltering($find, $this->notNames, true);
+ $this->buildPathsFiltering($find, $dir, $this->paths);
+ $this->buildPathsFiltering($find, $dir, $this->notPaths, true);
+ $this->buildSizesFiltering($find, $this->sizes);
+ $this->buildDatesFiltering($find, $this->dates);
+
+ $useGrep = $this->shell->testCommand('grep') && $this->shell->testCommand('xargs');
+ $useSort = is_int($this->sort) && $this->shell->testCommand('sort') && $this->shell->testCommand('cut');
+
+ if ($useGrep && ($this->contains || $this->notContains)) {
+ $grep = $command->ins('grep');
+ $this->buildContentFiltering($grep, $this->contains);
+ $this->buildContentFiltering($grep, $this->notContains, true);
+ }
+
+ if ($useSort) {
+ $this->buildSorting($command, $this->sort);
+ }
+
+ $command->setErrorHandler(
+ $this->ignoreUnreadableDirs
+ // If directory is unreadable and finder is set to ignore it, `stderr` is ignored.
+ ? function ($stderr) { }
+ : function ($stderr) { throw new AccessDeniedException($stderr); }
+ );
+
+ $paths = $this->shell->testCommand('uniq') ? $command->add('| uniq')->execute() : array_unique($command->execute());
+ $iterator = new Iterator\FilePathsIterator($paths, $dir);
+
+ if ($this->exclude) {
+ $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
+ }
+
+ if (!$useGrep && ($this->contains || $this->notContains)) {
+ $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
+ }
+
+ if ($this->filters) {
+ $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
+ }
+
+ if (!$useSort && $this->sort) {
+ $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
+ $iterator = $iteratorAggregate->getIterator();
+ }
+
+ return $iterator;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function canBeUsed()
+ {
+ return $this->shell->testCommand('find');
+ }
+
+ /**
+ * @param Command $command
+ * @param string $dir
+ *
+ * @return Command
+ */
+ protected function buildFindCommand(Command $command, $dir)
+ {
+ return $command
+ ->ins('find')
+ ->add('find ')
+ ->arg($dir)
+ ->add('-noleaf'); // the -noleaf option is required for filesystems that don't follow the '.' and '..' conventions
+ }
+
+ /**
+ * @param Command $command
+ * @param string[] $names
+ * @param bool $not
+ */
+ private function buildNamesFiltering(Command $command, array $names, $not = false)
+ {
+ if (0 === count($names)) {
+ return;
+ }
+
+ $command->add($not ? '-not' : null)->cmd('(');
+
+ foreach ($names as $i => $name) {
+ $expr = Expression::create($name);
+
+ // Find does not support expandable globs ("*.{a,b}" syntax).
+ if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
+ $expr = Expression::create($expr->getGlob()->toRegex(false));
+ }
+
+ // Fixes 'not search' and 'full path matching' regex problems.
+ // - Jokers '.' are replaced by [^/].
+ // - We add '[^/]*' before and after regex (if no ^|$ flags are present).
+ if ($expr->isRegex()) {
+ $regex = $expr->getRegex();
+ $regex->prepend($regex->hasStartFlag() ? '/' : '/[^/]*')
+ ->setStartFlag(false)
+ ->setStartJoker(true)
+ ->replaceJokers('[^/]');
+ if (!$regex->hasEndFlag() || $regex->hasEndJoker()) {
+ $regex->setEndJoker(false)->append('[^/]*');
+ }
+ }
+
+ $command
+ ->add($i > 0 ? '-or' : null)
+ ->add($expr->isRegex()
+ ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
+ : ($expr->isCaseSensitive() ? '-name' : '-iname')
+ )
+ ->arg($expr->renderPattern());
+ }
+
+ $command->cmd(')');
+ }
+
+ /**
+ * @param Command $command
+ * @param string $dir
+ * @param string[] $paths
+ * @param bool $not
+ */
+ private function buildPathsFiltering(Command $command, $dir, array $paths, $not = false)
+ {
+ if (0 === count($paths)) {
+ return;
+ }
+
+ $command->add($not ? '-not' : null)->cmd('(');
+
+ foreach ($paths as $i => $path) {
+ $expr = Expression::create($path);
+
+ // Find does not support expandable globs ("*.{a,b}" syntax).
+ if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
+ $expr = Expression::create($expr->getGlob()->toRegex(false));
+ }
+
+ // Fixes 'not search' regex problems.
+ if ($expr->isRegex()) {
+ $regex = $expr->getRegex();
+ $regex->prepend($regex->hasStartFlag() ? preg_quote($dir).DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
+ } else {
+ $expr->prepend('*')->append('*');
+ }
+
+ $command
+ ->add($i > 0 ? '-or' : null)
+ ->add($expr->isRegex()
+ ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
+ : ($expr->isCaseSensitive() ? '-path' : '-ipath')
+ )
+ ->arg($expr->renderPattern());
+ }
+
+ $command->cmd(')');
+ }
+
+ /**
+ * @param Command $command
+ * @param NumberComparator[] $sizes
+ */
+ private function buildSizesFiltering(Command $command, array $sizes)
+ {
+ foreach ($sizes as $i => $size) {
+ $command->add($i > 0 ? '-and' : null);
+
+ switch ($size->getOperator()) {
+ case '<=':
+ $command->add('-size -'.($size->getTarget() + 1).'c');
+ break;
+ case '>=':
+ $command->add('-size +'.($size->getTarget() - 1).'c');
+ break;
+ case '>':
+ $command->add('-size +'.$size->getTarget().'c');
+ break;
+ case '!=':
+ $command->add('-size -'.$size->getTarget().'c');
+ $command->add('-size +'.$size->getTarget().'c');
+ break;
+ case '<':
+ default:
+ $command->add('-size -'.$size->getTarget().'c');
+ }
+ }
+ }
+
+ /**
+ * @param Command $command
+ * @param DateComparator[] $dates
+ */
+ private function buildDatesFiltering(Command $command, array $dates)
+ {
+ foreach ($dates as $i => $date) {
+ $command->add($i > 0 ? '-and' : null);
+
+ $mins = (int) round((time() - $date->getTarget()) / 60);
+
+ if (0 > $mins) {
+ // mtime is in the future
+ $command->add(' -mmin -0');
+ // we will have no result so we don't need to continue
+ return;
+ }
+
+ switch ($date->getOperator()) {
+ case '<=':
+ $command->add('-mmin +'.($mins - 1));
+ break;
+ case '>=':
+ $command->add('-mmin -'.($mins + 1));
+ break;
+ case '>':
+ $command->add('-mmin -'.$mins);
+ break;
+ case '!=':
+ $command->add('-mmin +'.$mins.' -or -mmin -'.$mins);
+ break;
+ case '<':
+ default:
+ $command->add('-mmin +'.$mins);
+ }
+ }
+ }
+
+ /**
+ * @param Command $command
+ * @param string $sort
+ *
+ * @throws \InvalidArgumentException
+ */
+ private function buildSorting(Command $command, $sort)
+ {
+ $this->buildFormatSorting($command, $sort);
+ }
+
+ /**
+ * @param Command $command
+ * @param string $sort
+ */
+ abstract protected function buildFormatSorting(Command $command, $sort);
+
+ /**
+ * @param Command $command
+ * @param array $contains
+ * @param bool $not
+ */
+ abstract protected function buildContentFiltering(Command $command, array $contains, $not = false);
+}