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<?php |
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declare(strict_types=1); |
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namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions; |
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use Doctrine\ORM\Query\AST\Functions\FunctionNode; |
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use Doctrine\ORM\Query\AST\Node; |
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use Doctrine\ORM\Query\Lexer; |
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use Doctrine\ORM\Query\Parser; |
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use Doctrine\ORM\Query\SqlWalker; |
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/** |
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* @since 0.1 |
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* |
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* @author Martin Georgiev <[email protected]> |
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*/ |
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abstract class BaseFunction extends FunctionNode |
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{ |
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/** |
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* @var string |
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*/ |
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protected $functionPrototype; |
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/** |
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* @var string[] |
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*/ |
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protected $nodesMapping = []; |
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/** |
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* @var Node[] |
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*/ |
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protected $nodes = []; |
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abstract protected function customiseFunction(): void; |
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protected function setFunctionPrototype(string $functionPrototype): void |
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{ |
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$this->functionPrototype = $functionPrototype; |
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} |
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protected function addNodeMapping(string $parserMethod): void |
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{ |
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$this->nodesMapping[] = $parserMethod; |
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} |
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public function parse(Parser $parser): void |
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{ |
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$this->customiseFunction(); |
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$parser->match(Lexer::T_IDENTIFIER); |
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$parser->match(Lexer::T_OPEN_PARENTHESIS); |
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$this->feedParserWithNodes($parser); |
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$parser->match(Lexer::T_CLOSE_PARENTHESIS); |
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} |
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/** |
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* Feeds given parser with previously set nodes. |
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*/ |
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protected function feedParserWithNodes(Parser $parser): void |
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{ |
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$nodesMappingCount = \count($this->nodesMapping); |
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$lastNode = $nodesMappingCount - 1; |
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for ($i = 0; $i < $nodesMappingCount; $i++) { |
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$parserMethod = $this->nodesMapping[$i]; |
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$this->nodes[$i] = $parser->{$parserMethod}(); |
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if ($i < $lastNode) { |
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$parser->match(Lexer::T_COMMA); |
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} |
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} |
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} |
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public function getSql(SqlWalker $sqlWalker): string |
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{ |
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$dispatched = []; |
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foreach ($this->nodes as $node) { |
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$dispatched[] = $node->dispatch($sqlWalker); |
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} |
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return \vsprintf($this->functionPrototype, $dispatched); |
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} |
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} |
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martin-georgiev /
postgresql-for-doctrine
