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<?php
/**
* Japanese (日本語)
*
* @ingroup Language
*/
class LanguageJa extends Language {
/**
* @param $string string
* @return string
*/
function segmentByWord( $string ) {
// Strip known punctuation ?
// $s = preg_replace( '/\xe3\x80[\x80-\xbf]/', '', $s ); # U3000-303f
// Space strings of like hiragana/katakana/kanji
$hiragana = '(?:\xe3(?:\x81[\x80-\xbf]|\x82[\x80-\x9f]))'; # U3040-309f
$katakana = '(?:\xe3(?:\x82[\xa0-\xbf]|\x83[\x80-\xbf]))'; # U30a0-30ff
$kanji = '(?:\xe3[\x88-\xbf][\x80-\xbf]'
. '|[\xe4-\xe8][\x80-\xbf]{2}'
. '|\xe9[\x80-\xa5][\x80-\xbf]'
. '|\xe9\xa6[\x80-\x99])';
# U3200-9999 = \xe3\x88\x80-\xe9\xa6\x99
$reg = "/({$hiragana}+|{$katakana}+|{$kanji}+)/";
$s = self::insertSpace( $string, $reg );
return $s;
}
/**
* Italic is not appropriate for Japanese script
* Unfortunately most browsers do not recognise this, and render <em> as italic
*
* @param $text string
* @return string
*/
function emphasize( $text ) {
return $text;
}
}
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