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Token.php
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Token.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\ExpressionLanguage;
/**
* Represents a token.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Token
{
public const EOF_TYPE = 'end of expression';
public const NAME_TYPE = 'name';
public const NUMBER_TYPE = 'number';
public const STRING_TYPE = 'string';
public const OPERATOR_TYPE = 'operator';
public const PUNCTUATION_TYPE = 'punctuation';
/**
* @param self::*_TYPE $type
* @param int|null $cursor The cursor position in the source
*/
public function __construct(
public string $type,
public string|int|float|null $value,
public ?int $cursor,
) {
}
/**
* Returns a string representation of the token.
*/
public function __toString(): string
{
return \sprintf('%3d %-11s %s', $this->cursor, strtoupper($this->type), $this->value);
}
/**
* Tests the current token for a type and/or a value.
*/
public function test(string $type, ?string $value = null): bool
{
return $this->type === $type && (null === $value || $this->value == $value);
}
}