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<?php |
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namespace Digia\GraphQL\Language\ASTBuilder; |
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use Digia\GraphQL\Error\SyntaxErrorException; |
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use Digia\GraphQL\Language\DirectiveLocationEnum; |
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use Digia\GraphQL\Language\KeywordEnum; |
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use Digia\GraphQL\Language\LexerInterface; |
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use Digia\GraphQL\Language\Node\NodeKindEnum; |
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use Digia\GraphQL\Language\TokenKindEnum; |
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class DirectiveDefinitionASTBuilder extends AbstractASTBuilder |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function supportsBuilder(string $kind): bool |
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{ |
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return $kind === ASTKindEnum::DIRECTIVE_DEFINITION; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function build(LexerInterface $lexer, array $params): ?array |
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{ |
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$start = $lexer->getToken(); |
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$description = $this->buildAST(ASTKindEnum::DESCRIPTION, $lexer); |
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$this->expectKeyword($lexer, KeywordEnum::DIRECTIVE); |
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$this->expect($lexer, TokenKindEnum::AT); |
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$name = $this->buildAST(ASTKindEnum::NAME, $lexer); |
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$arguments = $this->buildAST(ASTKindEnum::ARGUMENTS_DEFINITION, $lexer); |
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$this->expectKeyword($lexer, KeywordEnum::ON); |
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$locations = $this->parseDirectiveLocations($lexer); |
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return [ |
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'kind' => NodeKindEnum::DIRECTIVE_DEFINITION, |
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'description' => $description, |
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'name' => $name, |
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'arguments' => $arguments, |
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'locations' => $locations, |
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'loc' => $this->buildLocation($lexer, $start), |
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]; |
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} |
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/** |
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* @param LexerInterface $lexer |
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* @return array |
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* @throws SyntaxErrorException |
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* @throws \ReflectionException |
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*/ |
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protected function parseDirectiveLocations(LexerInterface $lexer): array |
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{ |
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$this->skip($lexer, TokenKindEnum::PIPE); |
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$locations = []; |
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do { |
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$locations[] = $this->parseDirectiveLocation($lexer); |
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} while ($this->skip($lexer, TokenKindEnum::PIPE)); |
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return $locations; |
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} |
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/** |
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* @param LexerInterface $lexer |
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* @return array |
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* @throws SyntaxErrorException |
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* @throws \ReflectionException |
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*/ |
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protected function parseDirectiveLocation(LexerInterface $lexer): array |
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{ |
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$start = $lexer->getToken(); |
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$name = $this->buildAST(ASTKindEnum::NAME, $lexer); |
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if (\in_array($name['value'], DirectiveLocationEnum::values(), true)) { |
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return $name; |
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} |
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throw $this->unexpected($lexer, $start); |
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} |
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} |
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digiaonline /
graphql-php
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