81 lines
2.5 KiB
PHP
81 lines
2.5 KiB
PHP
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<?php
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declare(strict_types = 1);
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namespace LanguageServer;
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use AdvancedJsonRpc;
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use Sabre\Event\Promise;
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class ClientHandler
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{
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/**
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* @var ProtocolReader
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*/
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public $protocolReader;
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/**
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* @var ProtocolWriter
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*/
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public $protocolWriter;
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/**
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* @var IdGenerator
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*/
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public $idGenerator;
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public function __construct(ProtocolReader $protocolReader, ProtocolWriter $protocolWriter)
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{
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$this->protocolReader = $protocolReader;
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$this->protocolWriter = $protocolWriter;
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$this->idGenerator = new IdGenerator;
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}
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/**
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* Sends a request to the client and returns a promise that is resolved with the result or rejected with the error
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*
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* @param string $method The method to call
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* @param array|object $params The method parameters
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* @return Promise <mixed> Resolved with the result of the request or rejected with an error
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*/
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public function request(string $method, $params): Promise
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{
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$id = $this->idGenerator->generate();
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return $this->protocolWriter->write(
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new Protocol\Message(
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new AdvancedJsonRpc\Request($id, $method, (object)$params)
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)
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)->then(function () use ($id) {
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$promise = new Promise;
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$listener = function (Protocol\Message $msg) use ($id, $promise, &$listener) {
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if (AdvancedJsonRpc\Response::isResponse($msg->body) && $msg->body->id === $id) {
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// Received a response
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$this->protocolReader->removeListener('message', $listener);
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if (AdvancedJsonRpc\SuccessResponse::isSuccessResponse($msg->body)) {
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$promise->fulfill($msg->body->result);
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} else {
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$promise->reject($msg->body->error);
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}
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}
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};
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$this->protocolReader->on('message', $listener);
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return $promise;
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});
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}
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/**
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* Sends a notification to the client
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*
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* @param string $method The method to call
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* @param array|object $params The method parameters
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* @return Promise <null> Will be resolved as soon as the notification has been sent
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*/
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public function notify(string $method, $params): Promise
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{
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return $this->protocolWriter->write(
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new Protocol\Message(
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new AdvancedJsonRpc\Notification($method, (object)$params)
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)
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);
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}
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}
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