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/MJExtension/MJExtension/MJFoundation.m | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/MJExtension/MJExtension/MJFoundation.m b/screendisplay/Pods/MJExtension/MJExtension/MJFoundation.m
new file mode 100644
index 0000000..3adc842
--- /dev/null
+++ b/screendisplay/Pods/MJExtension/MJExtension/MJFoundation.m
@@ -0,0 +1,44 @@
+//
+// MJFoundation.m
+// MJExtensionExample
+//
+// Created by MJ Lee on 14/7/16.
+// Copyright (c) 2014��� ���������. All rights reserved.
+//
+
+#import "MJFoundation.h"
+#import "MJExtensionConst.h"
+#import <CoreData/CoreData.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, ^{
+ // ���������������NSObject������������������������������������������NSObject������������������NSObject������������������
+ 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;
+}
+@end
--
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