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Diffstat (limited to '')
-rw-r--r-- | vendor/guzzlehttp/promises/src/Create.php | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/promises/src/Create.php b/vendor/guzzlehttp/promises/src/Create.php new file mode 100644 index 0000000..8d038e9 --- /dev/null +++ b/vendor/guzzlehttp/promises/src/Create.php @@ -0,0 +1,84 @@ +<?php + +namespace GuzzleHttp\Promise; + +final class Create +{ + /** + * Creates a promise for a value if the value is not a promise. + * + * @param mixed $value Promise or value. + * + * @return PromiseInterface + */ + public static function promiseFor($value) + { + if ($value instanceof PromiseInterface) { + return $value; + } + + // Return a Guzzle promise that shadows the given promise. + if (is_object($value) && 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 $reason Promise or reason. + * + * @return PromiseInterface + */ + public static function rejectionFor($reason) + { + if ($reason instanceof PromiseInterface) { + return $reason; + } + + return new RejectedPromise($reason); + } + + /** + * Create an exception for a rejected promise value. + * + * @param mixed $reason + * + * @return \Exception|\Throwable + */ + public static function exceptionFor($reason) + { + if ($reason instanceof \Exception || $reason instanceof \Throwable) { + return $reason; + } + + return new RejectionException($reason); + } + + /** + * Returns an iterator for the given value. + * + * @param mixed $value + * + * @return \Iterator + */ + public static function iterFor($value) + { + if ($value instanceof \Iterator) { + return $value; + } + + if (is_array($value)) { + return new \ArrayIterator($value); + } + + return new \ArrayIterator([$value]); + } +} |