comparison vendor/symfony/finder/Finder.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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children 7a779792577d
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Finder;
13
14 use Symfony\Component\Finder\Comparator\DateComparator;
15 use Symfony\Component\Finder\Comparator\NumberComparator;
16 use Symfony\Component\Finder\Iterator\CustomFilterIterator;
17 use Symfony\Component\Finder\Iterator\DateRangeFilterIterator;
18 use Symfony\Component\Finder\Iterator\DepthRangeFilterIterator;
19 use Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator;
20 use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;
21 use Symfony\Component\Finder\Iterator\FilenameFilterIterator;
22 use Symfony\Component\Finder\Iterator\SizeRangeFilterIterator;
23 use Symfony\Component\Finder\Iterator\SortableIterator;
24
25 /**
26 * Finder allows to build rules to find files and directories.
27 *
28 * It is a thin wrapper around several specialized iterator classes.
29 *
30 * All rules may be invoked several times.
31 *
32 * All methods return the current Finder object to allow easy chaining:
33 *
34 * $finder = Finder::create()->files()->name('*.php')->in(__DIR__);
35 *
36 * @author Fabien Potencier <fabien@symfony.com>
37 */
38 class Finder implements \IteratorAggregate, \Countable
39 {
40 const IGNORE_VCS_FILES = 1;
41 const IGNORE_DOT_FILES = 2;
42
43 private $mode = 0;
44 private $names = array();
45 private $notNames = array();
46 private $exclude = array();
47 private $filters = array();
48 private $depths = array();
49 private $sizes = array();
50 private $followLinks = false;
51 private $sort = false;
52 private $ignore = 0;
53 private $dirs = array();
54 private $dates = array();
55 private $iterators = array();
56 private $contains = array();
57 private $notContains = array();
58 private $paths = array();
59 private $notPaths = array();
60 private $ignoreUnreadableDirs = false;
61
62 private static $vcsPatterns = array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg');
63
64 public function __construct()
65 {
66 $this->ignore = static::IGNORE_VCS_FILES | static::IGNORE_DOT_FILES;
67 }
68
69 /**
70 * Creates a new Finder.
71 *
72 * @return static
73 */
74 public static function create()
75 {
76 return new static();
77 }
78
79 /**
80 * Restricts the matching to directories only.
81 *
82 * @return $this
83 */
84 public function directories()
85 {
86 $this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;
87
88 return $this;
89 }
90
91 /**
92 * Restricts the matching to files only.
93 *
94 * @return $this
95 */
96 public function files()
97 {
98 $this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;
99
100 return $this;
101 }
102
103 /**
104 * Adds tests for the directory depth.
105 *
106 * Usage:
107 *
108 * $finder->depth('> 1') // the Finder will start matching at level 1.
109 * $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
110 *
111 * @param string|int $level The depth level expression
112 *
113 * @return $this
114 *
115 * @see DepthRangeFilterIterator
116 * @see NumberComparator
117 */
118 public function depth($level)
119 {
120 $this->depths[] = new Comparator\NumberComparator($level);
121
122 return $this;
123 }
124
125 /**
126 * Adds tests for file dates (last modified).
127 *
128 * The date must be something that strtotime() is able to parse:
129 *
130 * $finder->date('since yesterday');
131 * $finder->date('until 2 days ago');
132 * $finder->date('> now - 2 hours');
133 * $finder->date('>= 2005-10-15');
134 *
135 * @param string $date A date range string
136 *
137 * @return $this
138 *
139 * @see strtotime
140 * @see DateRangeFilterIterator
141 * @see DateComparator
142 */
143 public function date($date)
144 {
145 $this->dates[] = new Comparator\DateComparator($date);
146
147 return $this;
148 }
149
150 /**
151 * Adds rules that files must match.
152 *
153 * You can use patterns (delimited with / sign), globs or simple strings.
154 *
155 * $finder->name('*.php')
156 * $finder->name('/\.php$/') // same as above
157 * $finder->name('test.php')
158 *
159 * @param string $pattern A pattern (a regexp, a glob, or a string)
160 *
161 * @return $this
162 *
163 * @see FilenameFilterIterator
164 */
165 public function name($pattern)
166 {
167 $this->names[] = $pattern;
168
169 return $this;
170 }
171
172 /**
173 * Adds rules that files must not match.
174 *
175 * @param string $pattern A pattern (a regexp, a glob, or a string)
176 *
177 * @return $this
178 *
179 * @see FilenameFilterIterator
180 */
181 public function notName($pattern)
182 {
183 $this->notNames[] = $pattern;
184
185 return $this;
186 }
187
188 /**
189 * Adds tests that file contents must match.
190 *
191 * Strings or PCRE patterns can be used:
192 *
193 * $finder->contains('Lorem ipsum')
194 * $finder->contains('/Lorem ipsum/i')
195 *
196 * @param string $pattern A pattern (string or regexp)
197 *
198 * @return $this
199 *
200 * @see FilecontentFilterIterator
201 */
202 public function contains($pattern)
203 {
204 $this->contains[] = $pattern;
205
206 return $this;
207 }
208
209 /**
210 * Adds tests that file contents must not match.
211 *
212 * Strings or PCRE patterns can be used:
213 *
214 * $finder->notContains('Lorem ipsum')
215 * $finder->notContains('/Lorem ipsum/i')
216 *
217 * @param string $pattern A pattern (string or regexp)
218 *
219 * @return $this
220 *
221 * @see FilecontentFilterIterator
222 */
223 public function notContains($pattern)
224 {
225 $this->notContains[] = $pattern;
226
227 return $this;
228 }
229
230 /**
231 * Adds rules that filenames must match.
232 *
233 * You can use patterns (delimited with / sign) or simple strings.
234 *
235 * $finder->path('some/special/dir')
236 * $finder->path('/some\/special\/dir/') // same as above
237 *
238 * Use only / as dirname separator.
239 *
240 * @param string $pattern A pattern (a regexp or a string)
241 *
242 * @return $this
243 *
244 * @see FilenameFilterIterator
245 */
246 public function path($pattern)
247 {
248 $this->paths[] = $pattern;
249
250 return $this;
251 }
252
253 /**
254 * Adds rules that filenames must not match.
255 *
256 * You can use patterns (delimited with / sign) or simple strings.
257 *
258 * $finder->notPath('some/special/dir')
259 * $finder->notPath('/some\/special\/dir/') // same as above
260 *
261 * Use only / as dirname separator.
262 *
263 * @param string $pattern A pattern (a regexp or a string)
264 *
265 * @return $this
266 *
267 * @see FilenameFilterIterator
268 */
269 public function notPath($pattern)
270 {
271 $this->notPaths[] = $pattern;
272
273 return $this;
274 }
275
276 /**
277 * Adds tests for file sizes.
278 *
279 * $finder->size('> 10K');
280 * $finder->size('<= 1Ki');
281 * $finder->size(4);
282 *
283 * @param string|int $size A size range string or an integer
284 *
285 * @return $this
286 *
287 * @see SizeRangeFilterIterator
288 * @see NumberComparator
289 */
290 public function size($size)
291 {
292 $this->sizes[] = new Comparator\NumberComparator($size);
293
294 return $this;
295 }
296
297 /**
298 * Excludes directories.
299 *
300 * @param string|array $dirs A directory path or an array of directories
301 *
302 * @return $this
303 *
304 * @see ExcludeDirectoryFilterIterator
305 */
306 public function exclude($dirs)
307 {
308 $this->exclude = array_merge($this->exclude, (array) $dirs);
309
310 return $this;
311 }
312
313 /**
314 * Excludes "hidden" directories and files (starting with a dot).
315 *
316 * @param bool $ignoreDotFiles Whether to exclude "hidden" files or not
317 *
318 * @return $this
319 *
320 * @see ExcludeDirectoryFilterIterator
321 */
322 public function ignoreDotFiles($ignoreDotFiles)
323 {
324 if ($ignoreDotFiles) {
325 $this->ignore |= static::IGNORE_DOT_FILES;
326 } else {
327 $this->ignore &= ~static::IGNORE_DOT_FILES;
328 }
329
330 return $this;
331 }
332
333 /**
334 * Forces the finder to ignore version control directories.
335 *
336 * @param bool $ignoreVCS Whether to exclude VCS files or not
337 *
338 * @return $this
339 *
340 * @see ExcludeDirectoryFilterIterator
341 */
342 public function ignoreVCS($ignoreVCS)
343 {
344 if ($ignoreVCS) {
345 $this->ignore |= static::IGNORE_VCS_FILES;
346 } else {
347 $this->ignore &= ~static::IGNORE_VCS_FILES;
348 }
349
350 return $this;
351 }
352
353 /**
354 * Adds VCS patterns.
355 *
356 * @see ignoreVCS()
357 *
358 * @param string|string[] $pattern VCS patterns to ignore
359 */
360 public static function addVCSPattern($pattern)
361 {
362 foreach ((array) $pattern as $p) {
363 self::$vcsPatterns[] = $p;
364 }
365
366 self::$vcsPatterns = array_unique(self::$vcsPatterns);
367 }
368
369 /**
370 * Sorts files and directories by an anonymous function.
371 *
372 * The anonymous function receives two \SplFileInfo instances to compare.
373 *
374 * This can be slow as all the matching files and directories must be retrieved for comparison.
375 *
376 * @return $this
377 *
378 * @see SortableIterator
379 */
380 public function sort(\Closure $closure)
381 {
382 $this->sort = $closure;
383
384 return $this;
385 }
386
387 /**
388 * Sorts files and directories by name.
389 *
390 * This can be slow as all the matching files and directories must be retrieved for comparison.
391 *
392 * @return $this
393 *
394 * @see SortableIterator
395 */
396 public function sortByName()
397 {
398 $this->sort = Iterator\SortableIterator::SORT_BY_NAME;
399
400 return $this;
401 }
402
403 /**
404 * Sorts files and directories by type (directories before files), then by name.
405 *
406 * This can be slow as all the matching files and directories must be retrieved for comparison.
407 *
408 * @return $this
409 *
410 * @see SortableIterator
411 */
412 public function sortByType()
413 {
414 $this->sort = Iterator\SortableIterator::SORT_BY_TYPE;
415
416 return $this;
417 }
418
419 /**
420 * Sorts files and directories by the last accessed time.
421 *
422 * This is the time that the file was last accessed, read or written to.
423 *
424 * This can be slow as all the matching files and directories must be retrieved for comparison.
425 *
426 * @return $this
427 *
428 * @see SortableIterator
429 */
430 public function sortByAccessedTime()
431 {
432 $this->sort = Iterator\SortableIterator::SORT_BY_ACCESSED_TIME;
433
434 return $this;
435 }
436
437 /**
438 * Sorts files and directories by the last inode changed time.
439 *
440 * This is the time that the inode information was last modified (permissions, owner, group or other metadata).
441 *
442 * On Windows, since inode is not available, changed time is actually the file creation time.
443 *
444 * This can be slow as all the matching files and directories must be retrieved for comparison.
445 *
446 * @return $this
447 *
448 * @see SortableIterator
449 */
450 public function sortByChangedTime()
451 {
452 $this->sort = Iterator\SortableIterator::SORT_BY_CHANGED_TIME;
453
454 return $this;
455 }
456
457 /**
458 * Sorts files and directories by the last modified time.
459 *
460 * This is the last time the actual contents of the file were last modified.
461 *
462 * This can be slow as all the matching files and directories must be retrieved for comparison.
463 *
464 * @return $this
465 *
466 * @see SortableIterator
467 */
468 public function sortByModifiedTime()
469 {
470 $this->sort = Iterator\SortableIterator::SORT_BY_MODIFIED_TIME;
471
472 return $this;
473 }
474
475 /**
476 * Filters the iterator with an anonymous function.
477 *
478 * The anonymous function receives a \SplFileInfo and must return false
479 * to remove files.
480 *
481 * @return $this
482 *
483 * @see CustomFilterIterator
484 */
485 public function filter(\Closure $closure)
486 {
487 $this->filters[] = $closure;
488
489 return $this;
490 }
491
492 /**
493 * Forces the following of symlinks.
494 *
495 * @return $this
496 */
497 public function followLinks()
498 {
499 $this->followLinks = true;
500
501 return $this;
502 }
503
504 /**
505 * Tells finder to ignore unreadable directories.
506 *
507 * By default, scanning unreadable directories content throws an AccessDeniedException.
508 *
509 * @param bool $ignore
510 *
511 * @return $this
512 */
513 public function ignoreUnreadableDirs($ignore = true)
514 {
515 $this->ignoreUnreadableDirs = (bool) $ignore;
516
517 return $this;
518 }
519
520 /**
521 * Searches files and directories which match defined rules.
522 *
523 * @param string|array $dirs A directory path or an array of directories
524 *
525 * @return $this
526 *
527 * @throws \InvalidArgumentException if one of the directories does not exist
528 */
529 public function in($dirs)
530 {
531 $resolvedDirs = array();
532
533 foreach ((array) $dirs as $dir) {
534 if (is_dir($dir)) {
535 $resolvedDirs[] = $dir;
536 } elseif ($glob = glob($dir, (defined('GLOB_BRACE') ? GLOB_BRACE : 0) | GLOB_ONLYDIR)) {
537 $resolvedDirs = array_merge($resolvedDirs, $glob);
538 } else {
539 throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
540 }
541 }
542
543 $this->dirs = array_merge($this->dirs, $resolvedDirs);
544
545 return $this;
546 }
547
548 /**
549 * Returns an Iterator for the current Finder configuration.
550 *
551 * This method implements the IteratorAggregate interface.
552 *
553 * @return \Iterator|SplFileInfo[] An iterator
554 *
555 * @throws \LogicException if the in() method has not been called
556 */
557 public function getIterator()
558 {
559 if (0 === count($this->dirs) && 0 === count($this->iterators)) {
560 throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
561 }
562
563 if (1 === count($this->dirs) && 0 === count($this->iterators)) {
564 return $this->searchInDirectory($this->dirs[0]);
565 }
566
567 $iterator = new \AppendIterator();
568 foreach ($this->dirs as $dir) {
569 $iterator->append($this->searchInDirectory($dir));
570 }
571
572 foreach ($this->iterators as $it) {
573 $iterator->append($it);
574 }
575
576 return $iterator;
577 }
578
579 /**
580 * Appends an existing set of files/directories to the finder.
581 *
582 * The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
583 *
584 * @param mixed $iterator
585 *
586 * @return $this
587 *
588 * @throws \InvalidArgumentException when the given argument is not iterable
589 */
590 public function append($iterator)
591 {
592 if ($iterator instanceof \IteratorAggregate) {
593 $this->iterators[] = $iterator->getIterator();
594 } elseif ($iterator instanceof \Iterator) {
595 $this->iterators[] = $iterator;
596 } elseif ($iterator instanceof \Traversable || is_array($iterator)) {
597 $it = new \ArrayIterator();
598 foreach ($iterator as $file) {
599 $it->append($file instanceof \SplFileInfo ? $file : new \SplFileInfo($file));
600 }
601 $this->iterators[] = $it;
602 } else {
603 throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
604 }
605
606 return $this;
607 }
608
609 /**
610 * Counts all the results collected by the iterators.
611 *
612 * @return int
613 */
614 public function count()
615 {
616 return iterator_count($this->getIterator());
617 }
618
619 /**
620 * @param $dir
621 *
622 * @return \Iterator
623 */
624 private function searchInDirectory($dir)
625 {
626 if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
627 $this->exclude = array_merge($this->exclude, self::$vcsPatterns);
628 }
629
630 if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
631 $this->notPaths[] = '#(^|/)\..+(/|$)#';
632 }
633
634 $minDepth = 0;
635 $maxDepth = PHP_INT_MAX;
636
637 foreach ($this->depths as $comparator) {
638 switch ($comparator->getOperator()) {
639 case '>':
640 $minDepth = $comparator->getTarget() + 1;
641 break;
642 case '>=':
643 $minDepth = $comparator->getTarget();
644 break;
645 case '<':
646 $maxDepth = $comparator->getTarget() - 1;
647 break;
648 case '<=':
649 $maxDepth = $comparator->getTarget();
650 break;
651 default:
652 $minDepth = $maxDepth = $comparator->getTarget();
653 }
654 }
655
656 $flags = \RecursiveDirectoryIterator::SKIP_DOTS;
657
658 if ($this->followLinks) {
659 $flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
660 }
661
662 $iterator = new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs);
663
664 if ($this->exclude) {
665 $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
666 }
667
668 $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::SELF_FIRST);
669
670 if ($minDepth > 0 || $maxDepth < PHP_INT_MAX) {
671 $iterator = new Iterator\DepthRangeFilterIterator($iterator, $minDepth, $maxDepth);
672 }
673
674 if ($this->mode) {
675 $iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
676 }
677
678 if ($this->names || $this->notNames) {
679 $iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
680 }
681
682 if ($this->contains || $this->notContains) {
683 $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
684 }
685
686 if ($this->sizes) {
687 $iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
688 }
689
690 if ($this->dates) {
691 $iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
692 }
693
694 if ($this->filters) {
695 $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
696 }
697
698 if ($this->paths || $this->notPaths) {
699 $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
700 }
701
702 if ($this->sort) {
703 $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
704 $iterator = $iteratorAggregate->getIterator();
705 }
706
707 return $iterator;
708 }
709 }