mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-05 12:13:02 +00:00
071bd7379f
* Add experiment to skip creating UIViews altogether for constants * Update changelog * Do it right * Annotate function * Skip all the work entirely
48 lines
1.5 KiB
Objective-C
48 lines
1.5 KiB
Objective-C
//
|
|
// ASExperimentalFeatures.m
|
|
// Texture
|
|
//
|
|
// Copyright (c) 2018-present, Pinterest, Inc. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
|
|
#import <AsyncDisplayKit/ASExperimentalFeatures.h>
|
|
|
|
NSArray<NSString *> *ASExperimentalFeaturesGetNames(ASExperimentalFeatures flags)
|
|
{
|
|
NSArray *allNames = ASCreateOnce((@[@"exp_graphics_contexts",
|
|
@"exp_text_node",
|
|
@"exp_interface_state_coalesce",
|
|
@"exp_unfair_lock",
|
|
@"exp_infer_layer_defaults"]));
|
|
|
|
if (flags == ASExperimentalFeatureAll) {
|
|
return allNames;
|
|
}
|
|
|
|
// Go through all names, testing each bit.
|
|
NSUInteger i = 0;
|
|
return ASArrayByFlatMapping(allNames, NSString *name, ({
|
|
(flags & (1 << i++)) ? name : nil;
|
|
}));
|
|
}
|
|
|
|
// O(N^2) but with counts this small, it's probably faster
|
|
// than hashing the strings.
|
|
ASExperimentalFeatures ASExperimentalFeaturesFromArray(NSArray<NSString *> *array)
|
|
{
|
|
NSArray *allNames = ASExperimentalFeaturesGetNames(ASExperimentalFeatureAll);
|
|
ASExperimentalFeatures result = 0;
|
|
for (NSString *str in array) {
|
|
NSUInteger i = [allNames indexOfObject:str];
|
|
if (i != NSNotFound) {
|
|
result |= (1 << i);
|
|
}
|
|
}
|
|
return result;
|
|
}
|