说明:源代码文件内,Ojbective-C++代码遵循你正在实现的函数/方法的风格。为了最小化Cocoa/Objective-C与C++之间命名风格的冲突,根据待实现的

函数/方法选 择编码风格。实现@implementation语句块时,使用Objective-C的命名规则;如果实现一个C++

iOS编程规范v1.0

.h

C/C++/Objective-C的头

文件

.m

Ojbective-C实现文件

.mm

Ojbective-C++的实现文

件

.cc

纯C++的实现文件

.c

纯C的实现文件

的类,就使用C++命名规则。 示例:// file: cross_platform_header.hclass CrossPlatformAPI { public:

…

int DoSomethingPlatformSpecific(); private:

int an_instance_var_;

};

// file: mac_implementation.mm

// impl on each platform

#include “cross_platform_header.h”

// A typical Objective-C class, using Objective-C naming. @interface

MyDelegate : NSObject {

@privateint instanceVar_; CrossPlatformAPI* backEndObject_;

}-(void)respondToSomething:(id)something;@end@implementation

MyDelegate- (void)respondToSomething:(id)something {

// bridge from Cocoa through our C++ backendinstanceVar_ =

backEndObject->DoSomethingPlatformSpecific(); NSString* tempString =

[NSString stringWithInt:instanceVar_]; NSLog(@”%@”, tempString);

} @end

// The platform-specific implementation of the C++ class, using // C++ naming.int

CrossPlatformAPI::DoSomethingPlatformSpecific() {

NSString* temp_string = [NSString stringWithInt:an_instance_var_];

NSLog(@”%@”, temp_string);return [temp_string intValue];

}