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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Language; |
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/** |
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* Represents a range of characters represented by a lexical token |
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* within a Source. |
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*/ |
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class Token |
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{ |
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// Each kind of token. |
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public const SOF = '<SOF>'; |
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public const EOF = '<EOF>'; |
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public const BANG = '!'; |
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public const DOLLAR = '$'; |
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public const AMP = '&'; |
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public const PAREN_L = '('; |
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public const PAREN_R = ')'; |
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public const SPREAD = '...'; |
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public const COLON = ':'; |
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public const EQUALS = '='; |
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public const AT = '@'; |
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public const BRACKET_L = '['; |
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public const BRACKET_R = ']'; |
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public const BRACE_L = '{'; |
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public const PIPE = '|'; |
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public const BRACE_R = '}'; |
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public const NAME = 'Name'; |
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public const INT = 'Int'; |
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public const FLOAT = 'Float'; |
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public const STRING = 'String'; |
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public const BLOCK_STRING = 'BlockString'; |
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public const COMMENT = 'Comment'; |
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/** |
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* The kind of Token (see one of constants above). |
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* |
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* @var string |
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*/ |
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public $kind; |
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/** |
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* The character offset at which this Node begins. |
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* |
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* @var int |
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*/ |
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public $start; |
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/** |
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* The character offset at which this Node ends. |
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* |
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* @var int |
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*/ |
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public $end; |
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/** |
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* The 1-indexed line number on which this Token appears. |
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* |
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* @var int |
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*/ |
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public $line; |
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/** |
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* The 1-indexed column number at which this Token begins. |
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* |
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* @var int |
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*/ |
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public $column; |
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/** @var string|null */ |
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public $value; |
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/** |
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* Tokens exist as nodes in a double-linked-list amongst all tokens |
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* including ignored tokens. <SOF> is always the first node and <EOF> |
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* the last. |
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* |
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* @var Token |
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*/ |
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public $prev; |
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/** @var Token */ |
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public $next; |
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/** |
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* @param string $kind |
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* @param int $start |
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* @param int $end |
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* @param int $line |
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* @param int $column |
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* @param mixed|null $value |
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*/ |
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public function __construct($kind, $start, $end, $line, $column, ?Token $previous = null, $value = null) |
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{ |
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$this->kind = $kind; |
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988 |
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$this->start = $start; |
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$this->end = $end; |
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$this->line = $line; |
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$this->column = $column; |
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$this->prev = $previous; |
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988 |
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$this->next = null; |
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$this->value = $value; |
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} |
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public function getDescription() : string |
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{ |
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return $this->kind . ($this->value === null ? '' : ' "' . $this->value . '"'); |
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} |
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/** |
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* @return (string|int|null)[] |
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*/ |
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1 |
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public function toArray() : array |
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{ |
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return [ |
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1 |
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'kind' => $this->kind, |
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1 |
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'value' => $this->value, |
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1 |
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'line' => $this->line, |
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1 |
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'column' => $this->column, |
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]; |
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} |
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} |
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webonyx /
graphql-php
