Page MenuHomeWickedGov Phorge
Files F1426730

MniConverter.php
No OneTemporary
Actions

Size
7 KB
Referenced Files
None
Subscribers
None

MniConverter.php
View Options

<?php
/**
* 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 MniConverter.php
* @author Nokib Sarkar
* @author Haoreima
*/
/**
* Meitei specific converter routines.
*
* @ingroup Languages
*/
class MniConverter extends LanguageConverterSpecific {
private const O = 'ꯑ';
private const OO = 'ꯑꯣ';
private const U = 'ꯎ';
private const EE = 'ꯑꯤ';
private const YA = 'ꯌ';
private const Y_ = 'য';
private const WA = 'ꯋ';
private const BA = 'ꯕ';
private const NA_ = 'ꯟ';
private const NA = 'ꯅ';
private const DIACRITIC_AA = 'ꯥ';
private const HALANTA = '꯭';
private const SKIP = '';
private const PERIOD = '꯫';
private const PA_ = 'ꯞ';
private const DIACRITICS_WITH_O = [
'ꯣ' => 'ো',
'ꯤ' => 'ী',
'ꯥ' => 'া',
'ꯦ' => 'ে',
'ꯧ' => 'ৌ',
'ꯩ' => 'ৈ',
'ꯪ' => 'ং',
];
private const CONJUGATE_WITH_O = [
'ꯑꯣ' => 'ও',
'ꯑꯤ' => 'ঈ',
'ꯑꯥ' => 'আ',
'ꯑꯦ' => 'এ',
'ꯑꯧ' => 'ঔ',
'ꯑꯩ' => 'ঐ',
'ꯑꯪ' => 'অং',
];
private const NOT_WEIRD_AFTER_NA_ = [ 'ꯇ', 'ꯊ', 'ꯗ', 'ꯙ', 'ꯟ', 'ꯕ', 'ꯌ', 'ꯁ' ];
private const NUMERALS = [
'꯰' => '০',
'꯱' => '১',
'꯲' => '২',
'꯳' => '৩',
'꯴' => '৪',
'꯵' => '৫',
'꯶' => '৬',
'꯷' => '৭',
'꯸' => '৮',
'꯹' => '৯',
];
private const HALANTA_CONSONANTS = [
'ꯟ' => 'ন্',
'ꯛ' => 'ক্',
'ꯝ' => 'ম্',
'ꯡ' => 'ং',
'ꯜ' => 'ল্',
'ꯠ' => 'ৎ',
'ꯞ' => 'প্',
];
private const HALANTA_CONSONANTS_TO_NORMAL = [
'ꯟ' => 'ন',
'ꯛ' => 'ক',
'ꯝ' => 'ম',
'ꯡ' => 'ং',
'ꯜ' => 'ল',
'ꯠ' => 'ৎ',
'ꯞ' => 'প',
];
private const NON_WORD_CHARACTER_PATTERN = "/[\s꯫\p{P}<>=\-\|$+^~]+?/u";
private const CONSONANTS = self::HALANTA_CONSONANTS + [
'ꯀ' => 'ক',
'ꯈ' => 'খ',
'ꯒ' => 'গ',
'ꯘ' => 'ঘ',
'ꯉ' => 'ঙ',
'ꯆ' => 'চ',
'ꯖ' => 'জ',
'ꯓ' => 'ঝ',
'ꯇ' => 'ত',
'ꯊ' => 'থ',
'ꯗ' => 'দ',
'ꯙ' => 'ধ',
'ꯅ' => 'ন',
'ꯄ' => 'প',
'ꯐ' => 'ফ',
'ꯕ' => 'ব',
'ꯚ' => 'ভ',
'ꯃ' => 'ম',
'ꯌ' => 'য়',
'ꯔ' => 'র',
'ꯂ' => 'ল',
'ꯋ' => 'ৱ',
'ꫩ' => 'শ',
'ꫪ' => 'ষ',
'ꯁ' => 'স',
'ꯍ' => 'হ',
];
private const VOWELS = [
'ꯑ' => 'অ',
'ꯏ' => 'ই',
'ꯎ' => 'উ',
'ꯢ' => 'ই',
'ꯨ' => 'ু',
];
private const MTEI_TO_BENG_MAP_EXTRA = [
'꯫' => '।',
'꯭' => '্',
];
private const MTEI_TO_BENG_MAP =
self::VOWELS +
self::DIACRITICS_WITH_O +
self::CONJUGATE_WITH_O +
self::CONSONANTS +
self::NUMERALS +
self::MTEI_TO_BENG_MAP_EXTRA;
private function isBeginning( $position, $text ) {
$at_first = $position === 0;
return $at_first || preg_match( self::NON_WORD_CHARACTER_PATTERN, $text[$position - 1] );
}
private function isEndOfWord( $char ) {
if ( $char === self::PERIOD ) {
return true;
}
$status = preg_match( self::NON_WORD_CHARACTER_PATTERN, $char, $matches );
return count( $matches ) > 0;
}
private function mteiToBengali( $text ) {
$chars = mb_str_split( $text );
$l = count( $chars );
$i = 0;
while ( $i < $l ) {
$char = $chars[$i];
if (
$char === self::O &&
$i + 1 < $l &&
array_key_exists( $chars[ $i + 1 ], self::DIACRITICS_WITH_O )
) {
/**
* We have only 3 true vowels,
* ꯑ(a), ꯏ(i), ꯎ (u)
* Others are just extension from "a" by mixing with diacritics
*/
yield self::CONJUGATE_WITH_O[$char . $chars[ $i + 1 ]];
$i += 1;
} elseif (
$char === self::HALANTA &&
$i > 0 &&
array_key_exists( $chars[ $i - 1 ], self::HALANTA_CONSONANTS )
) {
// Remove halanta if the consonant has halanta already
yield self::SKIP;
} elseif (
array_key_exists( $char, self::HALANTA_CONSONANTS ) &&
( $i === $l - 1 || ( $i + 1 < $l &&
$this->isEndOfWord( $chars[ $i + 1 ] )
) )
) {
// Remove halanta if this is the last character of the word
yield self::HALANTA_CONSONANTS_TO_NORMAL[$char];
} elseif ( $char === self::YA &&
$i > 0 && $chars[ $i - 1 ] === self::HALANTA ) {
// য + ্ = য়
yield self::Y_;
} elseif (
$char === self::WA &&
$i - 2 >= 0 && $chars[ $i - 1 ] === self::HALANTA &&
array_key_exists( $chars[ $i - 2 ], self::CONSONANTS )
) {
// ব + ্ + র = ব্র
yield self::CONSONANTS[self::BA];
} elseif (
$char === self::PA_ && $i + 1 < $l && $chars[ $i + 1 ] === 'ꯀ'
) {
// do not conjugate with halanta if it's followed by "ক"
yield self::HALANTA_CONSONANTS_TO_NORMAL[$char];
} elseif (
$char === self::NA_ &&
$i + 1 < $l &&
!in_array( $chars[ $i + 1 ], self::NOT_WEIRD_AFTER_NA_ ) &&
array_key_exists( $chars[ $i + 1 ], self::CONSONANTS )
) {
/**
* ন্ / ণ্ + any consonant
* (except, ট, ঠ, ড, ঢ, , ত, থ, দ, ধ, ন, ব, য, য়) = weird
* Any consonant + ্ + ন = maybe ok
*/
yield self::MTEI_TO_BENG_MAP[self::NA];
$i += 1;
continue;
} elseif ( $char === self::U && !$this->isBeginning( $i, $text ) ) {
// উ/ঊ in the middle of words are often replaced by ও
yield self::MTEI_TO_BENG_MAP[self::OO];
} elseif ( $char === self::O &&
$i + 2 < $l && $chars[$i + 1] === self::EE[0] && $chars[ $i + 2 ] === self::EE[1] ) {
/**
* Instead of হাঈবা, people love to use হায়বা.
* But this is only in the case when ee or ya is
* in the middle of the words,
* never to do it if it's in the beginning.
*/
yield self::MTEI_TO_BENG_MAP[self::YA];
} elseif (
!array_key_exists( $char, self::HALANTA_CONSONANTS ) &&
array_key_exists( $char, self::CONSONANTS ) &&
( $i === $l - 1 || ( $i + 1 < $l &&
$this->isEndOfWord( $chars[ $i + 1 ] )
) )
) {
// Consonants without halantas should end with diacritics of aa sound everytime.
yield self::MTEI_TO_BENG_MAP[$char] . self::MTEI_TO_BENG_MAP[self::DIACRITIC_AA];
} else {
yield (
array_key_exists( $char, self::MTEI_TO_BENG_MAP ) ?
self::MTEI_TO_BENG_MAP[$char] : $char
);
}
$i += 1;
}
}
public function transliterate( $text ) {
$transliterated = '';
foreach ( $this->mteiToBengali( $text ) as $char ) {
$transliterated .= $char;
}
return $transliterated;
}
public function getMainCode(): string {
return 'mni';
}
public function getLanguageVariants(): array {
return [ 'mni', 'mni-beng' ];
}
public function getVariantsFallbacks(): array {
return [
'mni-beng' => 'mni'
];
}
protected function loadDefaultTables(): array {
return [
'mni' => new ReplacementArray(),
'mni-beng' => new ReplacementArray(),
];
}
/**
* Transliterates text into Bangla Script. This allows developers to test the language variants
* functionality and user interface without having to switch wiki language away from default.
* This method also processes custom conversion rules to allow testing these parts of the
* language converter as well.
*
* @param string $text
* @param string $toVariant
* @return string
*/
public function translate( $text, $toVariant ) {
if ( $toVariant === 'mni-beng' ) {
return $this->transliterate( $text );
}
return $text;
}
}

File Metadata

Mime Type
text/x-php
Expires
Sat, May 16, 13:37 (1 d, 19 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
33/06/f217c46712d42cd8257c7ac2d111
Default Alt Text
MniConverter.php (7 KB)

Event Timeline