awhisper / vkmsgsend Goto Github PK
View Code? Open in Web Editor NEW用起来很像performselector,但是完全没有参数个数限制,以及参数id类型限制,(任意类型 struct int bool),功能上很像运行时Objc_msgSend,但是在64位上无需强制类型转换,可以直接输入参数
用起来很像performselector,但是完全没有参数个数限制,以及参数id类型限制,(任意类型 struct int bool),功能上很像运行时Objc_msgSend,但是在64位上无需强制类型转换,可以直接输入参数
在多线程场景下vk_getMethodSignature这个静态方法里面的_vkMethodSignatureLock不会被创建,起不到同步作用(还是我没看到呢==)。
您好,我使用了MsgSent对一个class A有一个实例方法init:(NSDictinary*)param,我在param里边传递了一个block,接收到之后执行block crash了,什么原因呢?
1、你这里是先取值 然后转成对象 再把对象转成相应类型 感觉绕了个弯 能不能直接根据参数类型去获取值而不需要转对象呢?
2、当参数不是按照方法声明的类型传进去的时候,取值会不对,甚至影响到了后续取值。如:
NSString *return4 = [abc VKCallSelectorName:@"testfunction:withB:withC:withD:" error:nil,4.9f,5.8f,nil, CGRectMake(10, 10, 10, 10)]; // 改为这个
NSLog(@"I'm testfunction: %d withB:%f withC:%@ withD:%@", num, boolv, str, NSStringFromCGRect(rect)); // 打印改为这个
RT。
如下函数:
+ (id)xxxOfError:(NSError *__autoreleasing *)error;
其参数必须使用&err
形式,不支持传入nil
。
#import "NSObject+JYThrottle.h"
#import <objc/runtime.h>
#import <objc/message.h>
#import "VKMsgSend.h"
static char XJYThrottle;
static char XJYThrottleQueue;
@implementation NSObject (JYThrottle)
- (void)xjy_performSelector:(SEL)aSelector error:(NSError *__autoreleasing *)error withThrottle:(NSTimeInterval)inteval,... {
va_list argList;
va_start(argList, error);
NSArray* boxingArguments = vk_targetBoxingArguments(argList, [self class], aSelector, error);
va_end(argList);
if (!boxingArguments) {
return ;
}
dispatch_async([self getSerialQueue], ^{
NSMutableDictionary *blockedSelectors = [objc_getAssociatedObject(self, &XJYThrottle) mutableCopy];
if (!blockedSelectors) {
blockedSelectors = [NSMutableDictionary dictionary];
objc_setAssociatedObject(self, &XJYThrottle, blockedSelectors, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
NSString *selectorName = NSStringFromSelector(aSelector);
if (![blockedSelectors objectForKey:selectorName]) {
[blockedSelectors setObject:selectorName forKey:selectorName];
objc_setAssociatedObject(self, &XJYThrottle, blockedSelectors, OBJC_ASSOCIATION_COPY_NONATOMIC);
dispatch_async(dispatch_get_main_queue(), ^{
vk_targetCallSelectorWithArgumentError(self, aSelector, boxingArguments, error);
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(inteval * NSEC_PER_SEC)), [self getSerialQueue], ^{
[self xjy_unlockSelector:selectorName];
});
});
}
});
}
#pragma mark -
- (void)xjy_unlockSelector:(NSString *)selectorName
{
dispatch_async([self getSerialQueue], ^{
NSMutableDictionary *blockedSelectors = [objc_getAssociatedObject(self, &XJYThrottle) mutableCopy];
if ([blockedSelectors objectForKey:selectorName]) {
[blockedSelectors removeObjectForKey:selectorName];
}
objc_setAssociatedObject(self, &XJYThrottle, blockedSelectors, OBJC_ASSOCIATION_COPY_NONATOMIC);
});
}
- (dispatch_queue_t)getSerialQueue
{
dispatch_queue_t serialQueur = objc_getAssociatedObject(self, &XJYThrottleQueue);
if (!serialQueur) {
serialQueur = dispatch_queue_create("com.satanwoo.throttle", NULL);
objc_setAssociatedObject(self, &XJYThrottleQueue, serialQueur, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return serialQueur;
}
@end
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