UnicodeConstraint.php
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UnicodeConstraint.php
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	<?php
	/**
	* @license GPL-2.0-or-later
	* @file
	*/

	namespace MediaWiki\EditPage\Constraint;

	use StatusValue;

	/**
	* Verify unicode constraint
	*
	* @since 1.36
	* @internal
	*/
	class UnicodeConstraint implements IEditConstraint {

	/**
	* Correct unicode
	*/
	public const VALID_UNICODE = 'ℳ𝒲♥𝓊𝓃𝒾𝒸ℴ𝒹ℯ';

	/**
	* @param string $input Unicode string provided, to compare
	*/
	public function __construct(
	private readonly string $input,
	) {
	}

	public function checkConstraint(): string {
	if ( $this->input === self::VALID_UNICODE ) {
	return self::CONSTRAINT_PASSED;
	}
	return self::CONSTRAINT_FAILED;
	}

	public function getLegacyStatus(): StatusValue {
	$statusValue = StatusValue::newGood();
	if ( $this->input !== self::VALID_UNICODE ) {
	$statusValue->fatal( 'unicode-support-fail' );
	$statusValue->value = self::AS_UNICODE_NOT_SUPPORTED;
	}
	return $statusValue;
	}

	}