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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 $value;
public $type;
public $cursor;
const EOF_TYPE = 'end of expression';
const NAME_TYPE = 'name';
const NUMBER_TYPE = 'number';
const STRING_TYPE = 'string';
const OPERATOR_TYPE = 'operator';
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 $cursor The cursor position in the source
*/
public function __construct($type, $value, $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 array|int $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);
}
}
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