55 lines
1.3 KiB
PHP
55 lines
1.3 KiB
PHP
<?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 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 self::*_TYPE $type
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* @param int|null $cursor The cursor position in the source
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*/
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public function __construct(
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public string $type,
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public string|int|float|null $value,
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public ?int $cursor,
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) {
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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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public function __toString(): string
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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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public function test(string $type, ?string $value = null): bool
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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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