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