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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
50 lines
1.6 KiB
Objective-C
50 lines
1.6 KiB
Objective-C
//
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// ASExperimentalFeatures.m
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// Texture
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//
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// Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASExperimentalFeatures.h>
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#import <AsyncDisplayKit/ASCollections.h>
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NSArray<NSString *> *ASExperimentalFeaturesGetNames(ASExperimentalFeatures flags)
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{
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NSArray *allNames = ASCreateOnce((@[@"exp_graphics_contexts",
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@"exp_text_node",
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@"exp_interface_state_coalesce",
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@"exp_unfair_lock",
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@"exp_infer_layer_defaults",
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@"exp_network_image_queue",
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@"exp_dealloc_queue_v2",
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@"exp_collection_teardown",
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@"exp_framesetter_cache"]));
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if (flags == ASExperimentalFeatureAll) {
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return allNames;
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}
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// Go through all names, testing each bit.
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NSUInteger i = 0;
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return ASArrayByFlatMapping(allNames, NSString *name, ({
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(flags & (1 << i++)) ? name : nil;
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}));
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}
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// O(N^2) but with counts this small, it's probably faster
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// than hashing the strings.
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ASExperimentalFeatures ASExperimentalFeaturesFromArray(NSArray<NSString *> *array)
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{
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NSArray *allNames = ASExperimentalFeaturesGetNames(ASExperimentalFeatureAll);
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ASExperimentalFeatures result = 0;
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for (NSString *str in array) {
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NSUInteger i = [allNames indexOfObject:str];
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if (i != NSNotFound) {
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result |= (1 << i);
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}
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}
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return result;
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}
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