From 3e8437ae559487362fae3525beb79c534c213a51 Mon Sep 17 00:00:00 2001 From: 单军华 Date: Thu, 12 Jul 2018 13:44:34 +0800 Subject: [PATCH] bug修复和功能优化 --- screendisplay/Pods/YYCache/YYCache/YYMemoryCache.h | 213 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 213 insertions(+), 0 deletions(-) diff --git a/screendisplay/Pods/YYCache/YYCache/YYMemoryCache.h b/screendisplay/Pods/YYCache/YYCache/YYMemoryCache.h new file mode 100644 index 0000000..ded8440 --- /dev/null +++ b/screendisplay/Pods/YYCache/YYCache/YYMemoryCache.h @@ -0,0 +1,213 @@ +// +// YYMemoryCache.h +// YYCache <https://github.com/ibireme/YYCache> +// +// Created by ibireme on 15/2/7. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import <Foundation/Foundation.h> + +NS_ASSUME_NONNULL_BEGIN + +/** + YYMemoryCache is a fast in-memory cache that stores key-value pairs. + In contrast to NSDictionary, keys are retained and not copied. + The API and performance is similar to `NSCache`, all methods are thread-safe. + + YYMemoryCache objects differ from NSCache in a few ways: + + * It uses LRU (least-recently-used) to remove objects; NSCache's eviction method + is non-deterministic. + * It can be controlled by cost, count and age; NSCache's limits are imprecise. + * It can be configured to automatically evict objects when receive memory + warning or app enter background. + + The time of `Access Methods` in YYMemoryCache is typically in constant time (O(1)). + */ +@interface YYMemoryCache : NSObject + +#pragma mark - Attribute +///============================================================================= +/// @name Attribute +///============================================================================= + +/** The name of the cache. Default is nil. */ +@property (nullable, copy) NSString *name; + +/** The number of objects in the cache (read-only) */ +@property (readonly) NSUInteger totalCount; + +/** The total cost of objects in the cache (read-only). */ +@property (readonly) NSUInteger totalCost; + + +#pragma mark - Limit +///============================================================================= +/// @name Limit +///============================================================================= + +/** + The maximum number of objects the cache should hold. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit���if the cache goes over the limit, some objects in the + cache could be evicted later in backgound thread. + */ +@property NSUInteger countLimit; + +/** + The maximum total cost that the cache can hold before it starts evicting objects. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit���if the cache goes over the limit, some objects in the + cache could be evicted later in backgound thread. + */ +@property NSUInteger costLimit; + +/** + The maximum expiry time of objects in cache. + + @discussion The default value is DBL_MAX, which means no limit. + This is not a strict limit���if an object goes over the limit, the object could + be evicted later in backgound thread. + */ +@property NSTimeInterval ageLimit; + +/** + The auto trim check time interval in seconds. Default is 5.0. + + @discussion The cache holds an internal timer to check whether the cache reaches + its limits, and if the limit is reached, it begins to evict objects. + */ +@property NSTimeInterval autoTrimInterval; + +/** + If `YES`, the cache will remove all objects when the app receives a memory warning. + The default value is `YES`. + */ +@property BOOL shouldRemoveAllObjectsOnMemoryWarning; + +/** + If `YES`, The cache will remove all objects when the app enter background. + The default value is `YES`. + */ +@property BOOL shouldRemoveAllObjectsWhenEnteringBackground; + +/** + A block to be executed when the app receives a memory warning. + The default value is nil. + */ +@property (nullable, copy) void(^didReceiveMemoryWarningBlock)(YYMemoryCache *cache); + +/** + A block to be executed when the app enter background. + The default value is nil. + */ +@property (nullable, copy) void(^didEnterBackgroundBlock)(YYMemoryCache *cache); + +/** + If `YES`, the key-value pair will be released on main thread, otherwise on + background thread. Default is NO. + + @discussion You may set this value to `YES` if the key-value object contains + the instance which should be released in main thread (such as UIView/CALayer). + */ +@property BOOL releaseOnMainThread; + +/** + If `YES`, the key-value pair will be released asynchronously to avoid blocking + the access methods, otherwise it will be released in the access method + (such as removeObjectForKey:). Default is YES. + */ +@property BOOL releaseAsynchronously; + + +#pragma mark - Access Methods +///============================================================================= +/// @name Access Methods +///============================================================================= + +/** + Returns a Boolean value that indicates whether a given key is in cache. + + @param key An object identifying the value. If nil, just return `NO`. + @return Whether the key is in cache. + */ +- (BOOL)containsObjectForKey:(id)key; + +/** + Returns the value associated with a given key. + + @param key An object identifying the value. If nil, just return nil. + @return The value associated with key, or nil if no value is associated with key. + */ +- (nullable id)objectForKey:(id)key; + +/** + Sets the value of the specified key in the cache (0 cost). + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param key The key with which to associate the value. If nil, this method has no effect. + @discussion Unlike an NSMutableDictionary object, a cache does not copy the key + objects that are put into it. + */ +- (void)setObject:(nullable id)object forKey:(id)key; + +/** + Sets the value of the specified key in the cache, and associates the key-value + pair with the specified cost. + + @param object The object to store in the cache. If nil, it calls `removeObjectForKey`. + @param key The key with which to associate the value. If nil, this method has no effect. + @param cost The cost with which to associate the key-value pair. + @discussion Unlike an NSMutableDictionary object, a cache does not copy the key + objects that are put into it. + */ +- (void)setObject:(nullable id)object forKey:(id)key withCost:(NSUInteger)cost; + +/** + Removes the value of the specified key in the cache. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + */ +- (void)removeObjectForKey:(id)key; + +/** + Empties the cache immediately. + */ +- (void)removeAllObjects; + + +#pragma mark - Trim +///============================================================================= +/// @name Trim +///============================================================================= + +/** + Removes objects from the cache with LRU, until the `totalCount` is below or equal to + the specified value. + @param count The total count allowed to remain after the cache has been trimmed. + */ +- (void)trimToCount:(NSUInteger)count; + +/** + Removes objects from the cache with LRU, until the `totalCost` is or equal to + the specified value. + @param cost The total cost allowed to remain after the cache has been trimmed. + */ +- (void)trimToCost:(NSUInteger)cost; + +/** + Removes objects from the cache with LRU, until all expiry objects removed by the + specified value. + @param age The maximum age (in seconds) of objects. + */ +- (void)trimToAge:(NSTimeInterval)age; + +@end + +NS_ASSUME_NONNULL_END -- Gitblit v1.8.0