| <?php |
| |
| declare(strict_types=1); |
| |
| namespace Ddeboer\Imap; |
| |
| use Ddeboer\Imap\Search\ConditionInterface; |
| |
| /** |
| * Defines a search expression that can be used to look up email messages. |
| */ |
| final class SearchExpression implements ConditionInterface |
| { |
| /** |
| * The conditions that together represent the expression. |
| * |
| * @var ConditionInterface[] |
| */ |
| private array $conditions = []; |
| |
| /** |
| * Adds a new condition to the expression. |
| * |
| * @param ConditionInterface $condition the condition to be added |
| */ |
| public function addCondition(ConditionInterface $condition): self |
| { |
| $this->conditions[] = $condition; |
| |
| return $this; |
| } |
| |
| /** |
| * Converts the expression to a string that can be sent to the IMAP server. |
| */ |
| public function toString(): string |
| { |
| $conditions = \array_map(static function (ConditionInterface $condition): string { |
| return $condition->toString(); |
| }, $this->conditions); |
| |
| return \implode(' ', $conditions); |
| } |
| } |