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author | redmatrix <git@macgirvin.com> | 2016-05-10 17:26:44 -0700 |
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committer | redmatrix <git@macgirvin.com> | 2016-05-10 17:26:44 -0700 |
commit | 0b02a6d123b2014705998c94ddf3d460948d3eac (patch) | |
tree | 78ff2cab9944a4f5ab3f80ec93cbe1120de90bb2 /vendor/sabre/event/lib/Promise/functions.php | |
parent | 40b5b6e9d2da7ab65c8b4d38cdceac83a4d78deb (diff) | |
download | volse-hubzilla-0b02a6d123b2014705998c94ddf3d460948d3eac.tar.gz volse-hubzilla-0b02a6d123b2014705998c94ddf3d460948d3eac.tar.bz2 volse-hubzilla-0b02a6d123b2014705998c94ddf3d460948d3eac.zip |
initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)
Diffstat (limited to 'vendor/sabre/event/lib/Promise/functions.php')
-rw-r--r-- | vendor/sabre/event/lib/Promise/functions.php | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/vendor/sabre/event/lib/Promise/functions.php b/vendor/sabre/event/lib/Promise/functions.php new file mode 100644 index 000000000..3604b8aaa --- /dev/null +++ b/vendor/sabre/event/lib/Promise/functions.php @@ -0,0 +1,135 @@ +<?php + +namespace Sabre\Event\Promise; + +use Sabre\Event\Promise; + +/** + * This file contains a set of functions that are useful for dealing with the + * Promise object. + * + * @copyright Copyright (C) 2013-2015 fruux GmbH (https://fruux.com/). + * @author Evert Pot (http://evertpot.com/) + * @license http://sabre.io/license/ Modified BSD License + */ + + +/** + * This function takes an array of Promises, and returns a Promise that + * resolves when all of the given arguments have resolved. + * + * The returned Promise will resolve with a value that's an array of all the + * values the given promises have been resolved with. + * + * This array will be in the exact same order as the array of input promises. + * + * If any of the given Promises fails, the returned promise will immidiately + * fail with the first Promise that fails, and its reason. + * + * @param Promise[] $promises + * @return Promise + */ +function all(array $promises) { + + return new Promise(function($success, $fail) use ($promises) { + + $successCount = 0; + $completeResult = []; + + foreach ($promises as $promiseIndex => $subPromise) { + + $subPromise->then( + function($result) use ($promiseIndex, &$completeResult, &$successCount, $success, $promises) { + $completeResult[$promiseIndex] = $result; + $successCount++; + if ($successCount === count($promises)) { + $success($completeResult); + } + return $result; + } + )->error( + function($reason) use ($fail) { + $fail($reason); + } + ); + + } + }); + +} + +/** + * The race function returns a promise that resolves or rejects as soon as + * one of the promises in the argument resolves or rejects. + * + * The returned promise will resolve or reject with the value or reason of + * that first promise. + * + * @param Promise[] $promises + * @return Promise + */ +function race(array $promises) { + + return new Promise(function($success, $fail) use ($promises) { + + $alreadyDone = false; + foreach ($promises as $promise) { + + $promise->then( + function($result) use ($success, &$alreadyDone) { + if ($alreadyDone) { + return; + } + $alreadyDone = true; + $success($result); + }, + function($reason) use ($fail, &$alreadyDone) { + if ($alreadyDone) { + return; + } + $alreadyDone = true; + $fail($reason); + } + ); + + } + + }); + +} + + +/** + * Returns a Promise that resolves with the given value. + * + * If the value is a promise, the returned promise will attach itself to that + * promise and eventually get the same state as the followed promise. + * + * @param mixed $value + * @return Promise + */ +function resolve($value) { + + if ($value instanceof Promise) { + return $value->then(); + } else { + $promise = new Promise(); + $promise->fulfill($value); + return $promise; + } + +} + +/** + * Returns a Promise that will reject with the given reason. + * + * @param mixed $reason + * @return Promise + */ +function reject($reason) { + + $promise = new Promise(); + $promise->reject($reason); + return $promise; + +} |