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Pods/AvoidCrash/AvoidCrash/NSMutableAttributedString+AvoidCrash.m

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+//
+//  NSMutableAttributedString+AvoidCrash.m
+//  https://github.com/chenfanfang/AvoidCrash
+//
+//  Created by mac on 16/10/15.
+//  Copyright © 2016年 chenfanfang. All rights reserved.
+//
+
+#import "NSMutableAttributedString+AvoidCrash.h"
+
+#import "AvoidCrash.h"
+
+@implementation NSMutableAttributedString (AvoidCrash)
+
++ (void)avoidCrashExchangeMethod {
+    
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        
+        Class NSConcreteMutableAttributedString = NSClassFromString(@"NSConcreteMutableAttributedString");
+        
+        //initWithString:
+        [AvoidCrash exchangeInstanceMethod:NSConcreteMutableAttributedString method1Sel:@selector(initWithString:) method2Sel:@selector(avoidCrashInitWithString:)];
+        
+        //initWithString:attributes:
+        [AvoidCrash exchangeInstanceMethod:NSConcreteMutableAttributedString method1Sel:@selector(initWithString:attributes:) method2Sel:@selector(avoidCrashInitWithString:attributes:)];
+    });
+}
+
+//=================================================================
+//                          initWithString:
+//=================================================================
+#pragma mark - initWithString:
+
+
+- (instancetype)avoidCrashInitWithString:(NSString *)str {
+    id object = nil;
+    
+    @try {
+        object = [self avoidCrashInitWithString:str];
+    }
+    @catch (NSException *exception) {
+        NSString *defaultToDo = AvoidCrashDefaultReturnNil;
+        [AvoidCrash noteErrorWithException:exception defaultToDo:defaultToDo];
+    }
+    @finally {
+        return object;
+    }
+}
+
+
+//=================================================================
+//                     initWithString:attributes:
+//=================================================================
+#pragma mark - initWithString:attributes:
+
+
+- (instancetype)avoidCrashInitWithString:(NSString *)str attributes:(NSDictionary<NSString *,id> *)attrs {
+    id object = nil;
+    
+    @try {
+        object = [self avoidCrashInitWithString:str attributes:attrs];
+    }
+    @catch (NSException *exception) {
+        NSString *defaultToDo = AvoidCrashDefaultReturnNil;
+        [AvoidCrash noteErrorWithException:exception defaultToDo:defaultToDo];
+    }
+    @finally {
+        return object;
+    }
+}
+
+
+@end