MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / maintenance / benchmarks / bench_utf8_title_check.php

diff --git a/maintenance/benchmarks/bench_utf8_title_check.php b/maintenance/benchmarks/bench_utf8_title_check.php
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+++ b/maintenance/benchmarks/bench_utf8_title_check.php
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+<?php
+/**
+ * Benchmark for using a regexp vs. mb_check_encoding to check for UTF-8 encoding.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Benchmark
+ */
+
+require_once __DIR__ . '/Benchmarker.php';
+
+/**
+ * This little benchmark executes the regexp formerly used in Language->checkTitleEncoding()
+ * and compares its execution time against that of mb_check_encoding.
+ *
+ * @ingroup Benchmark
+ */
+class BenchUtf8TitleCheck extends Benchmarker {
+       private $data;
+
+       private $isutf8;
+
+       public function __construct() {
+               parent::__construct();
+
+               // @codingStandardsIgnoreStart Ignore long line warnings.
+               $this->data = [
+                       "",
+                       "United States of America", // 7bit ASCII
+                       "S%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e",
+                       "Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn",
+                       // This comes from T38839
+                       "Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn%7C"
+                       . "Catherine%20Willows%7CDavid%20Hodges%7CDavid%20Phillips%7CGil%20Grissom%7CGreg%20Sanders%7CHodges%7C"
+                       . "Internet%20Movie%20Database%7CJim%20Brass%7CLady%20Heather%7C"
+                       . "Les%20Experts%20(s%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e)%7CLes%20Experts%20:%20Manhattan%7C"
+                       . "Les%20Experts%20:%20Miami%7CListe%20des%20personnages%20des%20Experts%7C"
+                       . "Liste%20des%20%C3%A9pisodes%20des%20Experts%7CMod%C3%A8le%20discussion:Palette%20Les%20Experts%7C"
+                       . "Nick%20Stokes%7CPersonnage%20de%20fiction%7CPersonnage%20fictif%7CPersonnage%20de%20fiction%7C"
+                       . "Personnages%20r%C3%A9currents%20dans%20Les%20Experts%7CRaymond%20Langston%7CRiley%20Adams%7C"
+                       . "Saison%201%20des%20Experts%7CSaison%2010%20des%20Experts%7CSaison%2011%20des%20Experts%7C"
+                       . "Saison%2012%20des%20Experts%7CSaison%202%20des%20Experts%7CSaison%203%20des%20Experts%7C"
+                       . "Saison%204%20des%20Experts%7CSaison%205%20des%20Experts%7CSaison%206%20des%20Experts%7C"
+                       . "Saison%207%20des%20Experts%7CSaison%208%20des%20Experts%7CSaison%209%20des%20Experts%7C"
+                       . "Sara%20Sidle%7CSofia%20Curtis%7CS%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e%7CWallace%20Langham%7C"
+                       . "Warrick%20Brown%7CWendy%20Simms%7C%C3%89tats-Unis"
+               ];
+               // @codingStandardsIgnoreEnd
+
+               $this->addDescription( "Benchmark for using a regexp vs. mb_check_encoding " .
+                       "to check for UTF-8 encoding." );
+       }
+
+       public function execute() {
+               $benchmarks = [];
+               foreach ( $this->data as $val ) {
+                       $benchmarks[] = [
+                               'function' => [ $this, 'use_regexp' ],
+                               'args' => [ rawurldecode( $val ) ]
+                       ];
+                       $benchmarks[] = [
+                               'function' => [ $this, 'use_regexp_non_capturing' ],
+                               'args' => [ rawurldecode( $val ) ]
+                       ];
+                       $benchmarks[] = [
+                               'function' => [ $this, 'use_regexp_once_only' ],
+                               'args' => [ rawurldecode( $val ) ]
+                       ];
+                       $benchmarks[] = [
+                               'function' => [ $this, 'use_mb_check_encoding' ],
+                               'args' => [ rawurldecode( $val ) ]
+                       ];
+               }
+               $this->bench( $benchmarks );
+       }
+
+       protected function use_regexp( $s ) {
+               $this->isutf8 = preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
+                       '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
+       }
+
+       protected function use_regexp_non_capturing( $s ) {
+               // Same as above with a non-capturing subgroup.
+               $this->isutf8 = preg_match( '/^(?:[\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
+                       '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
+       }
+
+       protected function use_regexp_once_only( $s ) {
+               // Same as above with a once-only subgroup.
+               $this->isutf8 = preg_match( '/^(?>[\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
+                       '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
+       }
+
+       protected function use_mb_check_encoding( $s ) {
+               $this->isutf8 = mb_check_encoding( $s, 'UTF-8' );
+       }
+}
+
+$maintClass = 'BenchUtf8TitleCheck';
+require_once RUN_MAINTENANCE_IF_MAIN;