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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace AqwSocketClient\Messages; |
| 6 | |
| 7 | use AqwSocketClient\Enums\DelimitedMessageType; |
| 8 | use AqwSocketClient\Interfaces\MessageInterface; |
| 9 | use Override; |
| 10 | use Psl\Str; |
| 11 | use Psl\Vec; |
| 12 | |
| 13 | /** |
| 14 | * Represents a server message that is formatted using a **delimiter** |
| 15 | * (e.g., the '%' character). |
| 16 | * |
| 17 | * This class handles the parsing of the delimited string, extracting the |
| 18 | * message type and the subsequent data payload. |
| 19 | */ |
| 20 | final class DelimitedMessage implements MessageInterface |
| 21 | { |
| 22 | /** |
| 23 | * @param DelimitedMessageType $type The enumerated type of the delimited message. |
| 24 | * @param array<int, string> $data An array containing the payload data of the message, |
| 25 | * following the message type. |
| 26 | */ |
| 27 | private function __construct( |
| 28 | public readonly DelimitedMessageType $type, |
| 29 | public readonly array $data, |
| 30 | public readonly string $raw, |
| 31 | ) {} |
| 32 | |
| 33 | /** |
| 34 | * Attempts to create a DelimitedMessage object by parsing the raw string. |
| 35 | * |
| 36 | * The method validates the message format (starts and ends with '%'), |
| 37 | * extracts the parts, identifies the message type, and separates the data payload. |
| 38 | * |
| 39 | * @param string $message The raw string data received from the socket. |
| 40 | * @return DelimitedMessage|false The newly created message object, or **false** |
| 41 | * if the message format is invalid or the message type cannot be determined. |
| 42 | */ |
| 43 | #[Override] |
| 44 | public static function from(string $message): DelimitedMessage|false |
| 45 | { |
| 46 | if (!Str\starts_with($message, '%') && !Str\ends_with($message, '%')) { |
| 47 | return false; |
| 48 | } |
| 49 | |
| 50 | $parts = Vec\filter(Str\split($message, '%'), static fn(string $part): bool => $part !== ''); |
| 51 | $parts = Vec\filter_with_key($parts, static fn(int $k, string $_): bool => $k !== 0 && $k !== 2); |
| 52 | |
| 53 | $type = DelimitedMessageType::tryFrom($parts[0]); |
| 54 | if ($type === null) { |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | return new self($type, Vec\slice($parts, 1), $message); |
| 59 | } |
| 60 | } |