2016-09-22 75 views
0

我有几个函数来初始化一个接口指针,每个函数初始化特定版本的指针。现在我必须将这些功能变成一个通用功能。将多个功能组合到单个通用功能

bool init_9(MSTSCLib::IMsRdpClient9* iface) 
{ 
    iface->putSomeData1(); 
    iface->putSomeData2(); 
    iface->putSomeData3(); 
} 

bool init_8(MSTSCLib::IMsRdpClient8* iface) 
{ 
    iface->putSomeData2(); 
} 

bool init_7(MSTSCLib::IMsRdpClient7* iface) 
{ 
    iface->putSomeData1(); 
    iface->putSomeData3(); 
} 

我想知道是否有任何更好地落实到下面的原型,因为每个语句需要接口指针的明确的铸造,也Visual Studio的智能感知将很难获取详细信息。

bool init(void* ptriface, int version) 
{ 
    void* iface; // todo: make this type to required version 

    // Cast iface at run-time according to version number 
    // switch(version){} 
    iface = reinterpret_cast<MSTSCLib::IMsRdpClient9*>(ptriface); 
    iface = reinterpret_cast<MSTSCLib::IMsRdpClient8*>(ptriface); 
    iface = reinterpret_cast<MSTSCLib::IMsRdpClient7*>(ptriface); 

    // switch(version){} 
    iface->putSomeData1(); 
    iface->putSomeData2(); 
    iface->putSomeData3(); 
    iface->putSomeData4();  
} 
+1

模板功能可能? –

+0

每种类型的逻辑是不同的?也可以保持相同的功能,但过载 – AndyG

回答

1

好像你只是在寻找函数重载:

bool init(MSTSCLib::IMsRdpClient9*); 
bool init(MSTSCLib::IMsRdpClient8*); 
bool init(MSTSCLib::IMsRdpClient7*); 

bool init(MSTSCLib::IMsRdpClient9* iface) 
{ 
    iface->putSomeData1(); 
    iface->putSomeData2(); 
    iface->putSomeData3(); 
} 

// ...