MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / maintenance / language / generateNormalizerDataAr.php

diff --git a/maintenance/language/generateNormalizerDataAr.php b/maintenance/language/generateNormalizerDataAr.php
new file mode 100644 (file)
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+++ b/maintenance/language/generateNormalizerDataAr.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * Generates the normalizer data file for Arabic.
+ *
+ * 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 MaintenanceLanguage
+ */
+
+require_once __DIR__ . '/../Maintenance.php';
+
+/**
+ * Generates the normalizer data file for Arabic.
+ *
+ * This data file is used after normalizing to NFC.
+ *
+ * @ingroup MaintenanceLanguage
+ */
+class GenerateNormalizerDataAr extends Maintenance {
+       public function __construct() {
+               parent::__construct();
+               $this->addDescription( 'Generate the normalizer data file for Arabic' );
+               $this->addOption( 'unicode-data-file', 'The local location of the data file ' .
+                       'from http://unicode.org/Public/UNIDATA/UnicodeData.txt', false, true );
+       }
+
+       public function getDbType() {
+               return Maintenance::DB_NONE;
+       }
+
+       public function execute() {
+               if ( !$this->hasOption( 'unicode-data-file' ) ) {
+                       $dataFile = 'UnicodeData.txt';
+                       if ( !file_exists( $dataFile ) ) {
+                               $this->error( "Unable to find UnicodeData.txt. Please specify " .
+                                       "its location with --unicode-data-file=<FILE>" );
+                               exit( 1 );
+                       }
+               } else {
+                       $dataFile = $this->getOption( 'unicode-data-file' );
+                       if ( !file_exists( $dataFile ) ) {
+                               $this->error( 'Unable to find the specified data file.' );
+                               exit( 1 );
+                       }
+               }
+
+               $file = fopen( $dataFile, 'r' );
+               if ( !$file ) {
+                       $this->error( 'Unable to open the data file.' );
+                       exit( 1 );
+               }
+
+               // For the file format, see http://www.unicode.org/reports/tr44/
+               $fieldNames = [
+                       'Code',
+                       'Name',
+                       'General_Category',
+                       'Canonical_Combining_Class',
+                       'Bidi_Class',
+                       'Decomposition_Type_Mapping',
+                       'Numeric_Type_Value_6',
+                       'Numeric_Type_Value_7',
+                       'Numeric_Type_Value_8',
+                       'Bidi_Mirrored',
+                       'Unicode_1_Name',
+                       'ISO_Comment',
+                       'Simple_Uppercase_Mapping',
+                       'Simple_Lowercase_Mapping',
+                       'Simple_Titlecase_Mapping'
+               ];
+
+               $pairs = [];
+
+               $lineNum = 0;
+               while ( false !== ( $line = fgets( $file ) ) ) {
+                       ++$lineNum;
+
+                       # Strip comments
+                       $line = trim( substr( $line, 0, strcspn( $line, '#' ) ) );
+                       if ( $line === '' ) {
+                               continue;
+                       }
+
+                       # Split fields
+                       $numberedData = explode( ';', $line );
+                       $data = [];
+                       foreach ( $fieldNames as $number => $name ) {
+                               $data[$name] = $numberedData[$number];
+                       }
+
+                       $code = base_convert( $data['Code'], 16, 10 );
+                       if ( ( $code >= 0xFB50 && $code <= 0xFDFF ) # Arabic presentation forms A
+                               || ( $code >= 0xFE70 && $code <= 0xFEFF ) # Arabic presentation forms B
+                       ) {
+                               if ( $data['Decomposition_Type_Mapping'] === '' ) {
+                                       // No decomposition
+                                       continue;
+                               }
+                               if ( !preg_match( '/^ *(<\w*>) +([0-9A-F ]*)$/',
+                                       $data['Decomposition_Type_Mapping'], $m )
+                               ) {
+                                       $this->error( "Can't parse Decomposition_Type/Mapping on line $lineNum" );
+                                       $this->error( $line );
+                                       continue;
+                               }
+
+                               $source = UtfNormal\Utils::hexSequenceToUtf8( $data['Code'] );
+                               $dest = UtfNormal\Utils::hexSequenceToUtf8( $m[2] );
+                               $pairs[$source] = $dest;
+                       }
+               }
+
+               global $IP;
+               file_put_contents( "$IP/serialized/normalize-ar.ser", serialize( $pairs ) );
+               echo "ar: " . count( $pairs ) . " pairs written.\n";
+       }
+}
+
+$maintClass = 'GenerateNormalizerDataAr';
+require_once RUN_MAINTENANCE_IF_MAIN;