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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Pgsql; |
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use DateInterval; |
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use DateTime; |
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use InvalidArgumentException; |
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use function preg_match; |
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final class RangeParser |
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{ |
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private const RANGES = [ |
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Schema::TYPE_INT_4_RANGE, |
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Schema::TYPE_INT_8_RANGE, |
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Schema::TYPE_NUM_RANGE, |
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Schema::TYPE_TS_RANGE, |
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Schema::TYPE_TS_TZ_RANGE, |
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Schema::TYPE_DATE_RANGE, |
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]; |
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private ?string $type = null; |
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public function __construct(?string $type = null) |
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{ |
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if ($type !== null) { |
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if (self::isAllowedType($type)) { |
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$this->type = $type; |
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} else { |
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throw new InvalidArgumentException('Unsupported range type "' . $type . '"'); |
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} |
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} |
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} |
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public function parse(?string $value): ?array |
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{ |
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if ($value === null) { |
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return null; |
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} |
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if (!preg_match('/^(?P<open>\[|\()(?P<lower>[^,]*),(?P<upper>[^\)\]]*)(?P<close>\)|\])$/', $value, $matches)) { |
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throw new InvalidArgumentException(); |
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} |
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$lower = $matches['lower'] ? trim($matches['lower'], '"') : null; |
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$upper = $matches['upper'] ? trim($matches['upper'], '"') : null; |
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$includeLower = $matches['open'] === '['; |
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$includeUpper = $matches['close'] === ']'; |
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if ($lower === null && $upper === null) { |
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return [null, null]; |
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} |
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$type = $this->type ?? self::parseType($lower, $upper); |
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switch ($type) { |
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case Schema::TYPE_INT_4_RANGE: |
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return self::parseIntRange($lower, $upper, $includeLower, $includeUpper); |
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case Schema::TYPE_INT_8_RANGE: |
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return self::parseBigIntRange($lower, $upper, $includeLower, $includeUpper); |
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case Schema::TYPE_NUM_RANGE: |
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return self::parseNumRange($lower, $upper, $includeLower, $includeUpper); |
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case Schema::TYPE_DATE_RANGE: |
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return self::parseDateRange($lower, $upper, $includeLower, $includeUpper); |
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case Schema::TYPE_TS_RANGE: |
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return self::parseTsRange($lower, $upper, $includeLower, $includeUpper); |
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case Schema::TYPE_TS_TZ_RANGE: |
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return self::parseTsTzRange($lower, $upper, $includeLower, $includeUpper); |
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default: |
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return null; |
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} |
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} |
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private static function parseIntRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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$min = $lower === null ? null : (int) $lower; |
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$max = $upper === null ? null : (int) $upper; |
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if ($min !== null && $includeLower === false) { |
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$min += 1; |
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} |
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if ($max !== null && $includeUpper === false) { |
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$max -= 1; |
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} |
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return [$min, $max]; |
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} |
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private static function parseBigIntRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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if (PHP_INT_SIZE === 8) { |
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return self::parseIntRange($lower, $upper, $includeLower, $includeUpper); |
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} |
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[$min, $max] = self::parseNumRange($lower, $upper, $includeLower, $includeUpper); |
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if ($min !== null && $includeLower === false) { |
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$min += 1; |
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} |
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if ($max !== null && $includeUpper === false) { |
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$max -= 1; |
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} |
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return [$min, $max]; |
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} |
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1 |
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private static function parseNumRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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$min = $lower === null ? null : (float) $lower; |
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$max = $upper === null ? null : (float) $upper; |
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return [$min, $max]; |
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} |
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private static function parseDateRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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$interval = new DateInterval('P1D'); |
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$min = $lower ? DateTime::createFromFormat('Y-m-d', $lower) : null; |
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$max = $upper ? DateTime::createFromFormat('Y-m-d', $upper) : null; |
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if ($min && $includeLower === false) { |
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$min->add($interval); |
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} |
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if ($max && $includeUpper === false) { |
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$max->sub($interval); |
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} |
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return [$min, $max]; |
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} |
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1 |
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private static function parseTsRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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$min = $lower ? DateTime::createFromFormat('Y-m-d H:i:s', $lower) : null; |
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$max = $upper ? DateTime::createFromFormat('Y-m-d H:i:s', $upper) : null; |
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return [$min, $max]; |
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} |
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1 |
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private static function parseTsTzRange(?string $lower, ?string $upper, bool $includeLower, bool $includeUpper): array |
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{ |
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$min = $lower ? DateTime::createFromFormat('Y-m-d H:i:sP', $lower) : null; |
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$max = $upper ? DateTime::createFromFormat('Y-m-d H:i:sP', $upper) : null; |
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return [$min, $max]; |
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} |
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public static function isAllowedType(string $type): bool |
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{ |
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return in_array($type, self::RANGES, true); |
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} |
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/** |
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* Find range type from value format |
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* |
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* @param string $lower |
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* @param string $upper |
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* |
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* @return string|null |
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*/ |
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private static function parseType(?string $lower, ?string $upper): ?string |
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{ |
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if ($lower !== null && $upper !== null) { |
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if (filter_var($lower, FILTER_VALIDATE_INT) && filter_var($upper, FILTER_VALIDATE_INT)) { |
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return Schema::TYPE_INT_4_RANGE; |
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} |
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if (filter_var($lower, FILTER_VALIDATE_FLOAT) && filter_var($upper, FILTER_VALIDATE_FLOAT)) { |
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return Schema::TYPE_NUM_RANGE; |
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} |
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} |
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$value = $lower ?? $upper; |
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if (filter_var($value, FILTER_VALIDATE_INT)) { |
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return Schema::TYPE_INT_4_RANGE; |
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} |
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if (filter_var($value, FILTER_VALIDATE_FLOAT)) { |
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return Schema::TYPE_NUM_RANGE; |
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} |
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if (DateTime::createFromFormat('Y-m-d', $value)) { |
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return Schema::TYPE_DATE_RANGE; |
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} |
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if (DateTime::createFromFormat('Y-m-d H:i:s', $value)) { |
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return Schema::TYPE_TS_RANGE; |
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} |
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if (DateTime::createFromFormat('Y-m-d H:i:sP', $value)) { |
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return Schema::TYPE_TS_TZ_RANGE; |
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} |
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return null; |
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} |
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} |
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yiisoft /
db-pgsql
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.