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<?php |
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declare(strict_types=1); |
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/** |
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* @license http://opensource.org/licenses/mit-license.php MIT |
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* @link https://github.com/nicoSWD |
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* @author Nicolas Oelgart <[email protected]> |
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*/ |
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namespace nicoSWD\Rules\Tokens; |
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use nicoSWD\Rules\Tokenizer\TokenStack; |
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use nicoSWD\Rules\TokenStream\TokenStream; |
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abstract class BaseToken |
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{ |
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/** @var mixed */ |
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protected $value; |
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/** @var int */ |
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protected $offset = 0; |
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/** @var TokenStack */ |
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protected $stack; |
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/** @var int */ |
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protected $position = null; |
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/** @var int */ |
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protected $line = null; |
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abstract public function getType(): int; |
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/** |
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* @param mixed $value |
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* @param int $offset |
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* @param TokenStack $stack |
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*/ |
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public function __construct($value, int $offset = 0, TokenStack $stack = null) |
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{ |
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$this->value = $value; |
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$this->offset = $offset; |
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$this->stack = $stack; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* Some tokens can be represented by different operators, so the original value is used for error reporting, |
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* while the other one is used internally. |
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* |
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* @return mixed |
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*/ |
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final public function getOriginalValue() |
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{ |
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return $this->value; |
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} |
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public function getOffset(): int |
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{ |
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return $this->offset; |
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} |
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public function getStack(): TokenStack |
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{ |
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return $this->stack; |
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} |
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public function setStack(TokenStack $stack) |
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{ |
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$this->stack = $stack; |
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} |
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public function isWhitespace(): bool |
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{ |
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return false; |
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} |
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public function isOfType(int $type): bool |
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{ |
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return $this->getType() === $type; |
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} |
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public function createNode(TokenStream $tokenStream): self |
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{ |
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return $this; |
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} |
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public function getPosition(): int |
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{ |
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if (!isset($this->position)) { |
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$this->getLineAndPosition(); |
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} |
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return $this->position; |
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} |
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public function getLine(): int |
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{ |
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if (!isset($this->line)) { |
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2 |
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$this->getLineAndPosition(); |
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} |
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return $this->line; |
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} |
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private function getLineAndPosition() |
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{ |
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$this->line = 1; |
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$this->position = 0; |
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foreach ($this->stack as $token) { |
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$sumPosition = true; |
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if ($token === $this) { |
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break; |
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} elseif ($token instanceof TokenNewline) { |
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$this->line += 1; |
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4 |
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$this->position = 0; |
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4 |
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$sumPosition = false; |
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} elseif ($token instanceof TokenComment) { |
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$this->line += substr_count($token->getValue(), "\n"); |
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} |
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if ($sumPosition) { |
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$this->position += strlen($token->getOriginalValue()); |
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} |
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} |
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} |
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} |
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nicoSWD /
php-rule-parser
