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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // | ||
| // NSObject+SMKCoding.h | ||
| // SMKMVVM | ||
| // | ||
| // Created by yuantao on 16/4/29. | ||
| // Copyright © 2016年 momo. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| /** | ||
| * SMKCodingProtocol个性化设置archiver协议 | ||
| */ | ||
| @protocol SMKCodingProtocol <NSObject> | ||
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| @optional | ||
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| /** | ||
| * 这个数组中的属性名才会进行归档 | ||
| */ | ||
| + (NSArray *)smk_allowedCodingPropertyNames; | ||
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| /** | ||
| * 这个数组中的属性名将会被忽略：不进行归档 | ||
| */ | ||
| + (NSArray *)smk_ignoredCodingPropertyNames; | ||
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| @end | ||
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| @interface NSObject (SMKCoding) <SMKCodingProtocol> | ||
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| /** | ||
| * archiver | ||
| */ | ||
| - (BOOL)smk_writeToFile:(NSString *)path atomically:(BOOL)useAuxiliaryFile; | ||
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| /** | ||
| * unarchiver | ||
| */ | ||
| + (instancetype)smk_objectWithFile:(NSString *)path; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // | ||
| // NSObject+SMKCoding.m | ||
| // SMKMVVM | ||
| // | ||
| // Created by yuantao on 16/4/29. | ||
| // Copyright © 2016年 momo. All rights reserved. | ||
| // | ||
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| #import "NSObject+SMKCoding.h" | ||
| #import <objc/runtime.h> | ||
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| @implementation NSObject (SMKCoding) | ||
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| + (BOOL)supportsSecureCoding { | ||
| return YES; | ||
| } | ||
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| #pragma clang diagnostic push | ||
| #pragma clang diagnostic ignored "-Wobjc-designated-initializers" | ||
| - (instancetype)initWithCoder:(NSCoder *)aDecoder { | ||
| [self setWithCoder:aDecoder]; | ||
| return self; | ||
| } | ||
| #pragma clang diagnostic pop | ||
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| - (void)encodeWithCoder:(NSCoder *)aCoder { | ||
| for (NSString *key in [self getProperties]) { | ||
| id object = [self valueForKey:key]; | ||
| if (object) [aCoder encodeObject:object forKey:key]; | ||
| } | ||
| } | ||
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| - (void)setWithCoder:(NSCoder *)aDecoder { | ||
| for (NSString *key in [self getProperties]) { | ||
| id value = [aDecoder decodeObjectForKey:key]; | ||
| [self setValue:value forKey:key]; | ||
| } | ||
| } | ||
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| - (NSDictionary *)getPropertiesDict { | ||
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| Class class = [self class]; | ||
| unsigned int propertyCount; | ||
| __autoreleasing NSMutableDictionary *propertiesDict = [NSMutableDictionary dictionary]; | ||
| objc_property_t *properties = class_copyPropertyList(class, &propertyCount); | ||
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| NSArray *allowedCodingPropertyNames = [class smk_allowedCodingPropertyNames]; | ||
| NSArray *ignoredCodingPropertyNames = [class smk_ignoredCodingPropertyNames]; | ||
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| void(^setValueBlock)(NSString *key, NSMutableDictionary *propertiesDict) = ^(NSString *key, NSMutableDictionary *propertiesDict) { | ||
| if (![ignoredCodingPropertyNames containsObject:key]) { | ||
| id value = [self valueForKey:key]; | ||
| value = value ? value : [NSNull null]; | ||
| [propertiesDict setValue:value forKey:key]; | ||
| } | ||
| }; | ||
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| if (allowedCodingPropertyNames.count) { | ||
| for (unsigned int i = 0; i < propertyCount; i++) { | ||
| objc_property_t property = properties[i]; | ||
| const char *propertyName = property_getName(property); | ||
| __autoreleasing NSString *key = @(propertyName); | ||
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| if ([allowedCodingPropertyNames containsObject:key]) { | ||
| setValueBlock(key, propertiesDict); | ||
| } | ||
| } | ||
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| free(properties); | ||
| return propertiesDict; | ||
| } | ||
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| for (unsigned int i = 0; i < propertyCount; i++) { | ||
| objc_property_t property = properties[i]; | ||
| const char *propertyName = property_getName(property); | ||
| __autoreleasing NSString *key = @(propertyName); | ||
| setValueBlock(key, propertiesDict); | ||
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| } | ||
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| free(properties); | ||
| return propertiesDict; | ||
| } | ||
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| - (NSDictionary *)getProperties | ||
| { | ||
| __autoreleasing NSDictionary *propertiesDict = objc_getAssociatedObject([self class], _cmd); | ||
| if (!propertiesDict) { | ||
| propertiesDict = [NSMutableDictionary dictionary]; | ||
| Class subclass = [self class]; | ||
| while (subclass != [NSObject class]) | ||
| { | ||
| [(NSMutableDictionary *)propertiesDict addEntriesFromDictionary:[self getPropertiesDict]]; | ||
| subclass = [subclass superclass]; | ||
| } | ||
| propertiesDict = [NSDictionary dictionaryWithDictionary:propertiesDict]; | ||
| objc_setAssociatedObject([self class], _cmd, propertiesDict, OBJC_ASSOCIATION_RETAIN); | ||
| } | ||
| return propertiesDict; | ||
| } | ||
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| - (BOOL)smk_writeToFile:(NSString *)path atomically:(BOOL)useAuxiliaryFile { | ||
| NSData *data = [NSKeyedArchiver archivedDataWithRootObject:self]; | ||
| return [data writeToFile:path atomically:useAuxiliaryFile]; | ||
| } | ||
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| + (instancetype)smk_objectWithFile:(NSString *)path { | ||
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| NSData *data = [NSData dataWithContentsOfFile:path]; | ||
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| id object = nil; | ||
| if (data) { | ||
| NSPropertyListFormat format; | ||
| object = [NSPropertyListSerialization propertyListWithData:data options:NSPropertyListImmutable format:&format error:NULL]; | ||
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| if (object) { | ||
| if ([object respondsToSelector:@selector(objectForKey:)] && [(NSDictionary *)object objectForKey:@"$archiver"]) { | ||
| object = [NSKeyedUnarchiver unarchiveObjectWithData:data]; | ||
| } | ||
| } else { | ||
| object = data; | ||
| } | ||
| } | ||
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| return object; | ||
| } | ||
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| @end |