新版本

2019-03-12 09:26:46 +08:00
parent cbbfcb098a
commit c08d198e11
431 changed files with 19432 additions and 9136 deletions
@@ -0,0 +1,48 @@
+//
+//  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>
+
+static NSSet *foundationClasses_;
+
+@implementation MJFoundation
+
+ (NSSet *)foundationClasses
+{
+    if (foundationClasses_ == nil) {
+        // 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];
+    }
+    return foundationClasses_;
+}
+
+ (BOOL)isClassFromFoundation:(Class)c
+{
+    if (c == [NSObject class] || c == [NSManagedObject class]) return YES;
+    
+    __block BOOL result = NO;
+    [[self foundationClasses] enumerateObjectsUsingBlock:^(Class foundationClass, BOOL *stop) {
+        if ([c isSubclassOfClass:foundationClass]) {
+            result = YES;
+            *stop = YES;
+        }
+    }];
+    return result;
+}
+@end