You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.3 KiB
70 lines
2.3 KiB
//
|
|
// MJFoundation.m
|
|
// MJExtensionExample
|
|
//
|
|
// Created by MJ Lee on 14/7/16.
|
|
// Copyright (c) 2014年 小码哥. All rights reserved.
|
|
//
|
|
|
|
#import "MJFoundation.h"
|
|
#import "MJExtensionConst.h"
|
|
#import <CoreData/CoreData.h>
|
|
#import "objc/runtime.h"
|
|
|
|
@implementation MJFoundation
|
|
|
|
+ (BOOL)isClassFromFoundation:(Class)c
|
|
{
|
|
if (c == [NSObject class] || c == [NSManagedObject class]) return YES;
|
|
|
|
static NSSet *foundationClasses;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
// 集合中没有NSObject，因为几乎所有的类都是继承自NSObject，具体是不是NSObject需要特殊判断
|
|
foundationClasses = [NSSet setWithObjects:
|
|
[NSURL class],
|
|
[NSDate class],
|
|
[NSValue class],
|
|
[NSData class],
|
|
[NSError class],
|
|
[NSArray class],
|
|
[NSDictionary class],
|
|
[NSString class],
|
|
[NSAttributedString class], nil];
|
|
});
|
|
|
|
__block BOOL result = NO;
|
|
[foundationClasses enumerateObjectsUsingBlock:^(Class foundationClass, BOOL *stop) {
|
|
if ([c isSubclassOfClass:foundationClass]) {
|
|
result = YES;
|
|
*stop = YES;
|
|
}
|
|
}];
|
|
return result;
|
|
}
|
|
|
|
+ (BOOL)isFromNSObjectProtocolProperty:(NSString *)propertyName
|
|
{
|
|
if (!propertyName) return NO;
|
|
|
|
static NSSet<NSString *> *objectProtocolPropertyNames;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
unsigned int count = 0;
|
|
objc_property_t *propertyList = protocol_copyPropertyList(@protocol(NSObject), &count);
|
|
NSMutableSet *propertyNames = [NSMutableSet setWithCapacity:count];
|
|
for (int i = 0; i < count; i++) {
|
|
objc_property_t property = propertyList[i];
|
|
NSString *propertyName = [NSString stringWithCString:property_getName(property) encoding:NSUTF8StringEncoding];
|
|
if (propertyName) {
|
|
[propertyNames addObject:propertyName];
|
|
}
|
|
}
|
|
objectProtocolPropertyNames = [propertyNames copy];
|
|
free(propertyList);
|
|
});
|
|
|
|
return [objectProtocolPropertyNames containsObject:propertyName];
|
|
}
|
|
|
|
@end
|
|
|