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| Exists | |
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| __construct | |
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| get | |
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| fieldPath | |
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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Finder\Output; |
| 6 | |
| 7 | use Cosray\Context; |
| 8 | use Cosray\Exception\ParserOutputException; |
| 9 | use Cosray\Finder\Input\Token; |
| 10 | use Override; |
| 11 | |
| 12 | final readonly class Exists extends Expression implements Output |
| 13 | { |
| 14 | public function __construct( |
| 15 | #[\SensitiveParameter] |
| 16 | private Token $token, |
| 17 | private Context $context, |
| 18 | ) {} |
| 19 | |
| 20 | #[Override] |
| 21 | public function get(): string |
| 22 | { |
| 23 | if ($this->token->lexeme === '') { |
| 24 | throw new ParserOutputException($this->token, 'Invalid field name in exists condition.'); |
| 25 | } |
| 26 | |
| 27 | // PDO reads a bare `?` as a positional parameter; `??` is its escape. |
| 28 | return 'n.content @?? ' |
| 29 | . $this->context->db->quote( |
| 30 | '$.' . $this->fieldPath($this->token->lexeme), |
| 31 | ); |
| 32 | } |
| 33 | |
| 34 | private function fieldPath(string $field): string |
| 35 | { |
| 36 | $parts = explode('.', $field); |
| 37 | |
| 38 | foreach ($parts as $part) { |
| 39 | if ($part === '') { |
| 40 | throw new ParserOutputException($this->token, 'Invalid field name in exists condition.'); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | if (count($parts) === 1) { |
| 45 | return $parts[0] . '.value.*'; |
| 46 | } |
| 47 | |
| 48 | if (count($parts) === 2 && $parts[1] === '?') { |
| 49 | return $parts[0] . '.value.' . $this->context->localeId(); |
| 50 | } |
| 51 | |
| 52 | if (count($parts) > 2 && in_array('?', $parts, true)) { |
| 53 | throw new ParserOutputException( |
| 54 | $this->token, |
| 55 | 'The questionmark is allowed after the first dot only.', |
| 56 | ); |
| 57 | } |
| 58 | |
| 59 | if (count($parts) === 2 && $parts[1] === '*') { |
| 60 | return $parts[0] . '.value.*'; |
| 61 | } |
| 62 | |
| 63 | if (count($parts) === 2) { |
| 64 | return $parts[0] . '.value.' . $parts[1]; |
| 65 | } |
| 66 | |
| 67 | return implode('.', $parts); |
| 68 | } |
| 69 | } |