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<?php |
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|
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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 WindPressDeps\Symfony\Component\Yaml; |
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|
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use WindPressDeps\Symfony\Component\Yaml\Exception\ParseException; |
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use WindPressDeps\Symfony\Component\Yaml\Tag\TaggedValue; |
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/** |
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* @internal |
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*/ |
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final class ParserState |
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{ |
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public $maxNestingLevel = Parser::DEFAULT_MAX_NESTING_LEVEL; |
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public $currentNestingLevel = 0; |
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public $maxAliasesForCollections = Parser::DEFAULT_MAX_ALIASES_FOR_COLLECTIONS; |
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public $collectionAliasCount = 0; |
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public $aliasesEnabled = \true; |
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public function reset(): void |
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{ |
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$this->currentNestingLevel = 0; |
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$this->collectionAliasCount = 0; |
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$this->aliasesEnabled = \true; |
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} |
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public function enterNestingLevel(int $line, ?string $snippet, ?string $filename): void |
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{ |
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if (++$this->currentNestingLevel > $this->maxNestingLevel) { |
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--$this->currentNestingLevel; |
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throw new ParseException(sprintf('Maximum nesting depth of %d exceeded.', $this->maxNestingLevel), $line, $snippet, $filename); |
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} |
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} |
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public function leaveNestingLevel(): void |
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{ |
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if ($this->currentNestingLevel > 0) { |
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--$this->currentNestingLevel; |
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} |
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} |
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/** |
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* @param mixed $refValue |
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*/ |
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public function countAlias($refValue, int $line, ?string $snippet, ?string $filename): void |
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{ |
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if (!$this->aliasesEnabled) { |
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throw new ParseException('Aliases are disabled.', $line, $snippet, $filename); |
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} |
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if ($refValue instanceof TaggedValue) { |
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$refValue = $refValue->getValue(); |
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} |
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if (!\is_array($refValue) && !$refValue instanceof \stdClass) { |
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return; |
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} |
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if (++$this->collectionAliasCount > $this->maxAliasesForCollections) { |
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throw new ParseException(sprintf('Maximum number of collection aliases (%d) exceeded. This limit can be increased via the Parser constructor.', $this->maxAliasesForCollections), $line, $snippet, $filename); |
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} |
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} |
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} |
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|
