[Finder] Workaround for FilterIterator-FilesystemIterator-rewind issue
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@ -19,7 +19,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class CustomFilterIterator extends \FilterIterator
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class CustomFilterIterator extends FilterIterator
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{
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private $filters = array();
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class DateRangeFilterIterator extends \FilterIterator
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class DateRangeFilterIterator extends FilterIterator
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{
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private $comparators = array();
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class DepthRangeFilterIterator extends \FilterIterator
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class DepthRangeFilterIterator extends FilterIterator
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{
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private $minDepth = 0;
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class ExcludeDirectoryFilterIterator extends \FilterIterator
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class ExcludeDirectoryFilterIterator extends FilterIterator
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{
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private $patterns;
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class FileTypeFilterIterator extends \FilterIterator
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class FileTypeFilterIterator extends FilterIterator
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{
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const ONLY_FILES = 1;
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const ONLY_DIRECTORIES = 2;
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39
src/Symfony/Component/Finder/Iterator/FilterIterator.php
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39
src/Symfony/Component/Finder/Iterator/FilterIterator.php
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@ -0,0 +1,39 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Alex Bogomazov
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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 Symfony\Component\Finder\Iterator;
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/**
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* This iterator just overrides the rewind method in order to correct a PHP bug.
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*
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* @author Alex Bogomazov
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*/
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abstract class FilterIterator extends \FilterIterator
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{
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/**
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* This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
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* rewind in some cases.
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* @see FilterIterator::rewind()
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*/
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public function rewind()
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{
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$iterator = $this;
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while ($iterator instanceof \OuterIterator) {
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if ($iterator->getInnerIterator() instanceof \FilesystemIterator) {
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$iterator->getInnerIterator()->next();
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$iterator->getInnerIterator()->rewind();
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}
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$iterator = $iterator->getInnerIterator();
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}
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parent::rewind();
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}
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}
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class MultiplePcreFilterIterator extends \FilterIterator
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abstract class MultiplePcreFilterIterator extends FilterIterator
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{
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protected $matchRegexps;
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protected $noMatchRegexps;
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@ -16,7 +16,7 @@ namespace Symfony\Component\Finder\Iterator;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class SizeRangeFilterIterator extends \FilterIterator
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class SizeRangeFilterIterator extends FilterIterator
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{
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private $comparators = array();
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@ -440,4 +440,23 @@ class FinderTest extends Iterator\RealIteratorTestCase
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$this->assertIterator(array(), $finder);
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}
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/**
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* Searching in multiple locations involves AppendIterator which does an unnecessary rewind which leaves FilterIterator
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* with inner FilesystemIterator in an ivalid state.
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*/
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public function testMultipleLocations()
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{
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$tmpDir = sys_get_temp_dir() . '/symfony2_finder';
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$locations = array(
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$tmpDir . '/',
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$tmpDir . '/toto/',
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);
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// it is expected that there are test.py test.php in the tmpDir
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$finder = new Finder();
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$finder->in($locations)->depth('< 1')->name('test.php');
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$this->assertEquals(1, count($finder));
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}
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}
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@ -0,0 +1,46 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Alex Bogomazov
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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 Symfony\Component\Finder\Tests\Iterator;
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class FilterIteratorTest extends RealIteratorTestCase
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{
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public function testFilterFilesystemIterators()
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{
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$tmpDir = sys_get_temp_dir().'/symfony2_finder';
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$i = new \FilesystemIterator($tmpDir);
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// it is expected that there are test.py test.php in the tmpDir
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$i = $this->getMockForAbstractClass('Symfony\Component\Finder\Iterator\FilterIterator', array($i));
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$i->expects($this->any())->method('accept')->will($this->returnCallback(function () use ($i) {
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return (bool)preg_match('/\.php/', (string)$i->current());
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}));
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$c = 0;
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foreach ($i as $item) {
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$c++;
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}
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// This works
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$this->assertEquals(1, $c);
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$i->rewind();
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$c = 0;
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foreach ($i as $item) {
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$c++;
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}
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// This would fail with \FilterIterator but works with Symfony\Component\Finder\Iterator\FilterIterator
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$this->assertEquals(1, $c);
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}
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}
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