UnicodeConstraint.php

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<?php
namespace MediaWiki\EditPage\Constraint;
 
use MediaWiki\EditPage\EditPageStatus;
 
class UnicodeConstraint extends EditConstraint {
 
    public const VALID_UNICODE = 'ℳ𝒲♥𝓊𝓃𝒾𝒸ℴ𝒹ℯ';
 
    public function __construct(
        private readonly string $input,
    ) {
    }
 
    public function checkConstraint(): EditPageStatus {
        if ( $this->input !== self::VALID_UNICODE ) {
            return EditPageStatus::newFatal( 'unicode-support-fail' )
                ->setValue( self::AS_UNICODE_NOT_SUPPORTED );
        }
        return EditPageStatus::newGood();
    }
 
}