64 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
<?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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