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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <[email protected]> * * 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 <[email protected]> */ class Token { public $value; public $type; public $cursor; 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 string $type The type of the token (self::*_TYPE) * @param string|int|float|null $value The token value * @param int $cursor The cursor position in the source */ public function __construct(string $type, $value, ?int $cursor) { $this->type = $type; $this->value = $value; $this->cursor = $cursor; } /** * Returns a string representation of the token. * * @return string A string representation of the token */ public function __toString() { return sprintf('%3d %-11s %s', $this->cursor, strtoupper($this->type), $this->value); } /** * Tests the current token for a type and/or a value. * * @param string $type The type to test * @param string|null $value The token value * * @return bool */ public function test($type, $value = null) { return $this->type === $type && (null === $value || $this->value == $value); } }