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EnConverter.php
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EnConverter.php
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<?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
*/
/**
* English specific converter routines.
*
* @ingroup Languages
*/
class EnConverter extends LanguageConverter {
public function getMainCode(): string {
return 'en';
}
public function getLanguageVariants(): array {
return [ 'en', 'en-x-piglatin' ];
}
public function getVariantsFallbacks(): array {
return [];
}
protected function loadDefaultTables(): array {
return [
'en' => new ReplacementArray(),
'en-x-piglatin' => new ReplacementArray(),
];
}
/**
* Translates text into Pig Latin. 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 !== 'en-x-piglatin' ) {
return $text;
}
// Apply any custom rules. (Primarily for testing.)
$this->loadTables();
$customRules = $this->mTables[$toVariant];
if ( !$customRules->getArray() ) {
return self::pigLatin( $text );
}
// Split on the matches from custom rules, so that we only apply
// the Pig Latin transformation on output. which is not from a
// custom rule; this avoids double-conversion.
// (See SrConverter for similar split-and-process code.)
$re = '(' .
implode(
'|',
array_map(
'preg_quote',
// "Original" texts from the ReplacementArray rules
array_keys( $customRules->getArray() )
)
) . ')';
$matches = preg_split( $re, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
$m = array_shift( $matches );
// Apply Pig Latin transformation to the initial "non-matching" section.
$ret = self::pigLatin( $m[0] );
$mstart = (int)$m[1] + strlen( $m[0] );
foreach ( $matches as $m ) {
// Use the ReplacementArray rules to transform any matching sections
$ret .= $customRules->replace(
substr( $text, $mstart, (int)$m[1] - $mstart )
);
// And Pig Latin transformation on the non-matching sections.
$ret .= self::pigLatin( $m[0] );
$mstart = (int)$m[1] + strlen( $m[0] );
}
// $mstart will always equal strlen($text) here.
return $ret;
}
/**
* Translates words into Pig Latin.
*
* @param string $text
* @return string
*/
private static function pigLatin( string $text ): string {
// Only process words composed of standard English alphabet, leave the rest unchanged.
// This skips some English words like 'naïve' or 'résumé', but we can live with that.
// Ignore single letters and words which aren't lowercase or uppercase-first.
return preg_replace_callback( '/[A-Za-z][a-z\']+/', static function ( $matches ) {
$word = $matches[0];
if ( preg_match( '/^[aeiou]/i', $word ) ) {
return $word . 'way';
}
return preg_replace_callback( '/^(s?qu|[^aeiou][^aeiouy]*)(.*)$/i', static function ( $m ) {
$ucfirst = strtoupper( $m[1][0] ) === $m[1][0];
if ( $ucfirst ) {
return ucfirst( $m[2] ) . lcfirst( $m[1] ) . 'ay';
}
return $m[2] . $m[1] . 'ay';
}, $word );
}, $text );
}
}

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Expires
Sat, May 16, 16:54 (11 h, 26 m)
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EnConverter.php (3 KB)

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