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Safe key path, compile time key-path checking and auto-completion
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| #define __mz_macro_concat(A, B) __mz_macro_concat_(A, B) | |
| #define __mz_macro_argcount(...) __mz_macro_at(6, __VA_ARGS__, 6, 5, 4, 3, 2, 1) | |
| #define __mz_macro_head(...) __mz_macro_head_(__VA_ARGS__, 0) | |
| #define __mz_macro_at(N, ...) __mz_macro_concat(__mz_macro_at, N)(__VA_ARGS__) | |
| #define __mz_macro_at0(...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at1(_0, ...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at2(_0, _1, ...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at3(_0, _1, _2, ...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at4(_0, _1, _2, _3, ...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at5(_0, _1, _2, _3, _4, ...) __mz_macro_head(__VA_ARGS__) | |
| #define __mz_macro_at6(_0, _1, _2, _3, _4, _5, ...) __mz_macro_head(__VA_ARGS__) | |
| #define MZKVOKeyPath(Class, ...) __mz_macro_concat(MZKVOKeyPath, __mz_macro_argcount(__VA_ARGS__))(Class, __VA_ARGS__) | |
| #define MZKVOKeyPath0(Class) ((Class *)nil) | |
| #define MZKVOKeyPath1(Class, path0) ((void)(NO && ((void)(((Class *)nil).path0), NO)), @#path0) | |
| #define MZKVOKeyPath2(Class, path0, path1) ((void)(NO && ((void)((((Class *)nil).path0).path1), NO)), @#path0 "." #path1) | |
| #define MZKVOKeyPath3(Class, path0, path1, path2) ((void)(NO && ((void)(((((Class *)nil).path0).path1).path2), NO)), @#path0 "." #path1 "." #path2) | |
| #define MZKVOKeyPath4(Class, path0, path1, path2, path3) ((void)(NO && ((void)((((((Class *)nil).path0).path1).path2).path3), NO)), @#path0 "." #path1 "." #path2 "." #path3) | |
| #define MZKVOKeyPath5(Class, path0, path1, path2, path3, path4) ((void)(NO && ((void)(((((((Class *)nil).path0).path1).path2).path3).path4), NO)), @#path0 "." #path1 "." #path2 "." #path3 "." #path4) | |
| #define MZKVOKeyPath6(Class, path0, path1, path2, path3, path4, path5) ((void)(NO && ((void)((((((((Class *)nil).path0).path1).path2).path3).path4).path5), NO)), @#path0 "." #path1 "." #path2 "." #path3 "." #path4 "." #path5) | |
| #define __mz_macro_concat_(A, B) A ## B | |
| #define __mz_macro_head_(FIRST, ...) FIRST |
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使用[]的形式进行调用会导致使用
getter方式的property变量获取不掉，kvo监听的根据的属性名，不是getter的方法名。我进行了调整，您检查下，没有问题就变过来吧。