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<?php
/**
* Generates normalizer data files for Arabic and Malayalam.
*
* 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' );
require_once( __DIR__ . '/../../includes/normal/UtfNormalUtil.php' );
/**
* Generates normalizer data files for Arabic and Malayalam.
* For NFC see includes/normal.
*
* @ingroup MaintenanceLanguage
*/
class GenerateNormalizerData extends Maintenance {
var $dataFile;
public function __construct() {
parent::__construct();
$this->addOption( 'unicode-data-file', 'The local location of the data file ' .
'from http://unicode.org/Public/UNIDATA/UnicodeData.txt', false, true );
}
public function execute() {
if ( !$this->hasOption( 'unicode-data-file' ) ) {
$this->dataFile = 'UnicodeData.txt';
if ( !file_exists( $this->dataFile ) ) {
$this->error( "Unable to find UnicodeData.txt. Please specify its location with --unicode-data-file=<FILE>" );
exit( 1 );
}
} else {
$this->dataFile = $this->getOption( 'unicode-data-file' );
if ( !file_exists( $this->dataFile ) ) {
$this->error( 'Unable to find the specified data file.' );
exit( 1 );
}
}
$this->generateArabic();
$this->generateMalayalam();
}
function generateArabic() {
$file = fopen( $this->dataFile, 'r' );
if ( !$file ) {
$this->error( 'Unable to open the data file.' );
exit( 1 );
}
// For the file format, see http://www.unicode.org/reports/tr44/
$fieldNames = array(
'Code',
'Name',
'General_Category',
'Canonical_Combining_Class',
'Bidi_Class',
'Decomposition_Type_Mapping',
'Numeric_Type_Value',
'Bidi_Mirrored',
'Unicode_1_Name',
'ISO_Comment',
'Simple_Uppercase_Mapping',
'Simple_Lowercase_Mapping',
'Simple_Titlecase_Mapping'
);
$pairs = array();
$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 = array();
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 = hexSequenceToUtf8( $data['Code'] );
$dest = 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";
}
function generateMalayalam() {
$hexPairs = array(
# From http://unicode.org/versions/Unicode5.1.0/#Malayalam_Chillu_Characters
'0D23 0D4D 200D' => '0D7A',
'0D28 0D4D 200D' => '0D7B',
'0D30 0D4D 200D' => '0D7C',
'0D32 0D4D 200D' => '0D7D',
'0D33 0D4D 200D' => '0D7E',
# From http://permalink.gmane.org/gmane.science.linguistics.wikipedia.technical/46413
'0D15 0D4D 200D' => '0D7F',
);
$pairs = array();
foreach ( $hexPairs as $hexSource => $hexDest ) {
$source = hexSequenceToUtf8( $hexSource );
$dest = hexSequenceToUtf8( $hexDest );
$pairs[$source] = $dest;
}
global $IP;
file_put_contents( "$IP/serialized/normalize-ml.ser", serialize( $pairs ) );
echo "ml: " . count( $pairs ) . " pairs written.\n";
}
}
$maintClass = 'GenerateNormalizerData';
require_once( RUN_MAINTENANCE_IF_MAIN );
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