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Diffstat (limited to 'server/vendor/guzzlehttp/promises/src/functions.php')
| -rw-r--r-- | server/vendor/guzzlehttp/promises/src/functions.php | 457 |
1 files changed, 0 insertions, 457 deletions
diff --git a/server/vendor/guzzlehttp/promises/src/functions.php b/server/vendor/guzzlehttp/promises/src/functions.php deleted file mode 100644 index 4e27709..0000000 --- a/server/vendor/guzzlehttp/promises/src/functions.php +++ /dev/null @@ -1,457 +0,0 @@ -<?php -namespace GuzzleHttp\Promise; - -/** - * Get the global task queue used for promise resolution. - * - * This task queue MUST be run in an event loop in order for promises to be - * settled asynchronously. It will be automatically run when synchronously - * waiting on a promise. - * - * <code> - * while ($eventLoop->isRunning()) { - * GuzzleHttp\Promise\queue()->run(); - * } - * </code> - * - * @param TaskQueueInterface $assign Optionally specify a new queue instance. - * - * @return TaskQueueInterface - */ -function queue(TaskQueueInterface $assign = null) -{ - static $queue; - - if ($assign) { - $queue = $assign; - } elseif (!$queue) { - $queue = new TaskQueue(); - } - - return $queue; -} - -/** - * Adds a function to run in the task queue when it is next `run()` and returns - * a promise that is fulfilled or rejected with the result. - * - * @param callable $task Task function to run. - * - * @return PromiseInterface - */ -function task(callable $task) -{ - $queue = queue(); - $promise = new Promise([$queue, 'run']); - $queue->add(function () use ($task, $promise) { - try { - $promise->resolve($task()); - } catch (\Throwable $e) { - $promise->reject($e); - } catch (\Exception $e) { - $promise->reject($e); - } - }); - - return $promise; -} - -/** - * Creates a promise for a value if the value is not a promise. - * - * @param mixed $value Promise or value. - * - * @return PromiseInterface - */ -function promise_for($value) -{ - if ($value instanceof PromiseInterface) { - return $value; - } - - // Return a Guzzle promise that shadows the given promise. - if (method_exists($value, 'then')) { - $wfn = method_exists($value, 'wait') ? [$value, 'wait'] : null; - $cfn = method_exists($value, 'cancel') ? [$value, 'cancel'] : null; - $promise = new Promise($wfn, $cfn); - $value->then([$promise, 'resolve'], [$promise, 'reject']); - return $promise; - } - - return new FulfilledPromise($value); -} - -/** - * Creates a rejected promise for a reason if the reason is not a promise. If - * the provided reason is a promise, then it is returned as-is. - * - * @param mixed $reason Promise or reason. - * - * @return PromiseInterface - */ -function rejection_for($reason) -{ - if ($reason instanceof PromiseInterface) { - return $reason; - } - - return new RejectedPromise($reason); -} - -/** - * Create an exception for a rejected promise value. - * - * @param mixed $reason - * - * @return \Exception|\Throwable - */ -function exception_for($reason) -{ - return $reason instanceof \Exception || $reason instanceof \Throwable - ? $reason - : new RejectionException($reason); -} - -/** - * Returns an iterator for the given value. - * - * @param mixed $value - * - * @return \Iterator - */ -function iter_for($value) -{ - if ($value instanceof \Iterator) { - return $value; - } elseif (is_array($value)) { - return new \ArrayIterator($value); - } else { - return new \ArrayIterator([$value]); - } -} - -/** - * Synchronously waits on a promise to resolve and returns an inspection state - * array. - * - * Returns a state associative array containing a "state" key mapping to a - * valid promise state. If the state of the promise is "fulfilled", the array - * will contain a "value" key mapping to the fulfilled value of the promise. If - * the promise is rejected, the array will contain a "reason" key mapping to - * the rejection reason of the promise. - * - * @param PromiseInterface $promise Promise or value. - * - * @return array - */ -function inspect(PromiseInterface $promise) -{ - try { - return [ - 'state' => PromiseInterface::FULFILLED, - 'value' => $promise->wait() - ]; - } catch (RejectionException $e) { - return ['state' => PromiseInterface::REJECTED, 'reason' => $e->getReason()]; - } catch (\Throwable $e) { - return ['state' => PromiseInterface::REJECTED, 'reason' => $e]; - } catch (\Exception $e) { - return ['state' => PromiseInterface::REJECTED, 'reason' => $e]; - } -} - -/** - * Waits on all of the provided promises, but does not unwrap rejected promises - * as thrown exception. - * - * Returns an array of inspection state arrays. - * - * @param PromiseInterface[] $promises Traversable of promises to wait upon. - * - * @return array - * @see GuzzleHttp\Promise\inspect for the inspection state array format. - */ -function inspect_all($promises) -{ - $results = []; - foreach ($promises as $key => $promise) { - $results[$key] = inspect($promise); - } - - return $results; -} - -/** - * Waits on all of the provided promises and returns the fulfilled values. - * - * Returns an array that contains the value of each promise (in the same order - * the promises were provided). An exception is thrown if any of the promises - * are rejected. - * - * @param mixed $promises Iterable of PromiseInterface objects to wait on. - * - * @return array - * @throws \Exception on error - * @throws \Throwable on error in PHP >=7 - */ -function unwrap($promises) -{ - $results = []; - foreach ($promises as $key => $promise) { - $results[$key] = $promise->wait(); - } - - return $results; -} - -/** - * Given an array of promises, return a promise that is fulfilled when all the - * items in the array are fulfilled. - * - * The promise's fulfillment value is an array with fulfillment values at - * respective positions to the original array. If any promise in the array - * rejects, the returned promise is rejected with the rejection reason. - * - * @param mixed $promises Promises or values. - * - * @return PromiseInterface - */ -function all($promises) -{ - $results = []; - return each( - $promises, - function ($value, $idx) use (&$results) { - $results[$idx] = $value; - }, - function ($reason, $idx, Promise $aggregate) { - $aggregate->reject($reason); - } - )->then(function () use (&$results) { - ksort($results); - return $results; - }); -} - -/** - * Initiate a competitive race between multiple promises or values (values will - * become immediately fulfilled promises). - * - * When count amount of promises have been fulfilled, the returned promise is - * fulfilled with an array that contains the fulfillment values of the winners - * in order of resolution. - * - * This prommise is rejected with a {@see GuzzleHttp\Promise\AggregateException} - * if the number of fulfilled promises is less than the desired $count. - * - * @param int $count Total number of promises. - * @param mixed $promises Promises or values. - * - * @return PromiseInterface - */ -function some($count, $promises) -{ - $results = []; - $rejections = []; - - return each( - $promises, - function ($value, $idx, PromiseInterface $p) use (&$results, $count) { - if ($p->getState() !== PromiseInterface::PENDING) { - return; - } - $results[$idx] = $value; - if (count($results) >= $count) { - $p->resolve(null); - } - }, - function ($reason) use (&$rejections) { - $rejections[] = $reason; - } - )->then( - function () use (&$results, &$rejections, $count) { - if (count($results) !== $count) { - throw new AggregateException( - 'Not enough promises to fulfill count', - $rejections - ); - } - ksort($results); - return array_values($results); - } - ); -} - -/** - * Like some(), with 1 as count. However, if the promise fulfills, the - * fulfillment value is not an array of 1 but the value directly. - * - * @param mixed $promises Promises or values. - * - * @return PromiseInterface - */ -function any($promises) -{ - return some(1, $promises)->then(function ($values) { return $values[0]; }); -} - -/** - * Returns a promise that is fulfilled when all of the provided promises have - * been fulfilled or rejected. - * - * The returned promise is fulfilled with an array of inspection state arrays. - * - * @param mixed $promises Promises or values. - * - * @return PromiseInterface - * @see GuzzleHttp\Promise\inspect for the inspection state array format. - */ -function settle($promises) -{ - $results = []; - - return each( - $promises, - function ($value, $idx) use (&$results) { - $results[$idx] = ['state' => PromiseInterface::FULFILLED, 'value' => $value]; - }, - function ($reason, $idx) use (&$results) { - $results[$idx] = ['state' => PromiseInterface::REJECTED, 'reason' => $reason]; - } - )->then(function () use (&$results) { - ksort($results); - return $results; - }); -} - -/** - * Given an iterator that yields promises or values, returns a promise that is - * fulfilled with a null value when the iterator has been consumed or the - * aggregate promise has been fulfilled or rejected. - * - * $onFulfilled is a function that accepts the fulfilled value, iterator - * index, and the aggregate promise. The callback can invoke any necessary side - * effects and choose to resolve or reject the aggregate promise if needed. - * - * $onRejected is a function that accepts the rejection reason, iterator - * index, and the aggregate promise. The callback can invoke any necessary side - * effects and choose to resolve or reject the aggregate promise if needed. - * - * @param mixed $iterable Iterator or array to iterate over. - * @param callable $onFulfilled - * @param callable $onRejected - * - * @return PromiseInterface - */ -function each( - $iterable, - callable $onFulfilled = null, - callable $onRejected = null -) { - return (new EachPromise($iterable, [ - 'fulfilled' => $onFulfilled, - 'rejected' => $onRejected - ]))->promise(); -} - -/** - * Like each, but only allows a certain number of outstanding promises at any - * given time. - * - * $concurrency may be an integer or a function that accepts the number of - * pending promises and returns a numeric concurrency limit value to allow for - * dynamic a concurrency size. - * - * @param mixed $iterable - * @param int|callable $concurrency - * @param callable $onFulfilled - * @param callable $onRejected - * - * @return PromiseInterface - */ -function each_limit( - $iterable, - $concurrency, - callable $onFulfilled = null, - callable $onRejected = null -) { - return (new EachPromise($iterable, [ - 'fulfilled' => $onFulfilled, - 'rejected' => $onRejected, - 'concurrency' => $concurrency - ]))->promise(); -} - -/** - * Like each_limit, but ensures that no promise in the given $iterable argument - * is rejected. If any promise is rejected, then the aggregate promise is - * rejected with the encountered rejection. - * - * @param mixed $iterable - * @param int|callable $concurrency - * @param callable $onFulfilled - * - * @return PromiseInterface - */ -function each_limit_all( - $iterable, - $concurrency, - callable $onFulfilled = null -) { - return each_limit( - $iterable, - $concurrency, - $onFulfilled, - function ($reason, $idx, PromiseInterface $aggregate) { - $aggregate->reject($reason); - } - ); -} - -/** - * Returns true if a promise is fulfilled. - * - * @param PromiseInterface $promise - * - * @return bool - */ -function is_fulfilled(PromiseInterface $promise) -{ - return $promise->getState() === PromiseInterface::FULFILLED; -} - -/** - * Returns true if a promise is rejected. - * - * @param PromiseInterface $promise - * - * @return bool - */ -function is_rejected(PromiseInterface $promise) -{ - return $promise->getState() === PromiseInterface::REJECTED; -} - -/** - * Returns true if a promise is fulfilled or rejected. - * - * @param PromiseInterface $promise - * - * @return bool - */ -function is_settled(PromiseInterface $promise) -{ - return $promise->getState() !== PromiseInterface::PENDING; -} - -/** - * @see Coroutine - * - * @param callable $generatorFn - * - * @return PromiseInterface - */ -function coroutine(callable $generatorFn) -{ - return new Coroutine($generatorFn); -} |