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ApiWrapper.h
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/*******************************************************************************
* Author : [email protected]
* Date : 2015-08-07 16:54:35
********************************************************************************/
#pragma once
enum CALL_MODE
{
default_call,
cdecl_call,
fast_call,
std_call,
};
template<typename T>
struct TYPE_HOLDER
{
};
#define RET(x) ((TYPE_HOLDER<x>*)NULL)
template<CALL_MODE mode,typename RVal>
struct BASE_CALL
{
PVOID addr;
operator bool()
{
return addr != NULL;
}
__forceinline RVal operator()()
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall* )()>(addr))();
case fast_call:
return (static_cast<RVal(_fastcall*)()>(addr))();
case cdecl_call:
return (static_cast<RVal(_cdecl* )()>(addr))();
default:
return (static_cast<RVal(* )()>(addr))();
}
}
template<typename T1>
__forceinline RVal operator()(T1 v1)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall* )(T1)>(addr))(v1);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1)>(addr))(v1);
case cdecl_call:
return (static_cast<RVal(_cdecl* )(T1)>(addr))(v1);
default:
return (static_cast<RVal(* )(T1)>(addr))(v1);
}
}
template<typename T1, typename T2>
__forceinline RVal operator()(T1 v1, T2 v2)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall* )(T1,T2)>(addr))(v1,v2);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2)>(addr))(v1,v2);
case cdecl_call:
return (static_cast<RVal(_cdecl* )(T1,T2)>(addr))(v1,v2);
default:
return (static_cast<RVal(* )(T1,T2)>(addr))(v1,v2);
}
}
template<typename T1, typename T2, typename T3>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall* )(T1,T2,T3)>(addr))(v1,v2,v3);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3)>(addr))(v1,v2,v3);
case cdecl_call:
return (static_cast<RVal(_cdecl* )(T1,T2,T3)>(addr))(v1,v2,v3);
default:
return (static_cast<RVal(* )(T1,T2,T3)>(addr))(v1,v2,v3);
}
}
template<typename T1, typename T2, typename T3, typename T4>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4)>(addr))(v1,v2,v3,v4);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4)>(addr))(v1,v2,v3,v4);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4)>(addr))(v1,v2,v3,v4);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4)>(addr))(v1,v2,v3,v4);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5)>(addr))(v1,v2,v3,v4,v5);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5)>(addr))(v1,v2,v3,v4,v5);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5)>(addr))(v1,v2,v3,v4,v5);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5)>(addr))(v1,v2,v3,v4,v5);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6)>(addr))(v1,v2,v3,v4,v5,v6);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6)>(addr))(v1,v2,v3,v4,v5,v6);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6)>(addr))(v1,v2,v3,v4,v5,v6);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6)>(addr))(v1,v2,v3,v4,v5,v6);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6, T7 v7)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6,T7)>(addr))(v1,v2,v3,v4,v5,v6,v7);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6,T7)>(addr))(v1,v2,v3,v4,v5,v6,v7);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6,T7)>(addr))(v1,v2,v3,v4,v5,v6,v7);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6,T7)>(addr))(v1,v2,v3,v4,v5,v6,v7);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6, T7 v7, T8 v8)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6,T7,T8)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6,T7,T8)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6,T7,T8)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6,T7,T8)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6, T7 v7, T8 v8, T9 v9)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6,T7,T8,T9)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6,T7,T8,T9)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6,T7,T8,T9)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6,T7,T8,T9)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6, T7 v7, T8 v8, T9 v9, T10 v10)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10);
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11>
__forceinline RVal operator()(T1 v1, T2 v2, T3 v3, T4 v4, T5 v5, T6 v6, T7 v7, T8 v8, T9 v9, T10 v10, T11 v11)
{
switch(mode)
{
case std_call:
return (static_cast<RVal(_stdcall *)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11);
case fast_call:
return (static_cast<RVal(_fastcall*)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11);
case cdecl_call:
return (static_cast<RVal(_cdecl *)(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11);
default:
return (static_cast<RVal(* )(T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11)>(addr))(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11);
}
}
};
template<typename RVal,CALL_MODE mode = std_call>
struct R3API : public BASE_CALL<mode, RVal>
{
HMODULE hModule;
__forceinline explicit R3API(const char* dllname, const char* apiname, bool bCurrentDir = false) : hModule(NULL)
{
addr = NULL;
HMODULE hDll = GetModuleHandleA(dllname);
if( hDll )
{
addr = GetProcAddress(hDll, apiname);
return;
}
if( bCurrentDir )
{
char szDll[MAX_PATH] = {0};
GetModuleFileNameA(NULL, szDll, MAX_PATH);
char* tail = strrchr(szDll, '\\');
if( tail )
{
tail++;
*tail = '\0';
strncat_s(szDll, MAX_PATH, dllname, _TRUNCATE);
}
hModule = LoadLibraryA(szDll);
}
else
{
hModule = LoadLibraryA(dllname);
}
if( hModule )
{
addr = GetProcAddress(hModule, apiname);
}
}
__forceinline explicit R3API(HMODULE hModule, const char* apiname) : hModule(NULL)
{
addr = GetProcAddress(hModule, apiname);
}
__forceinline ~R3API()
{
if( hModule )
{
FreeLibrary(hModule);
hModule = NULL;
}
addr = NULL;
}
};
template<typename RVal,CALL_MODE mode = default_call>
struct R0API : public BASE_CALL<mode,RVal>
{
__forceinline explicit R0API(const char* dllname, const char* apiname)
{
addr = NULL;
HMODULE hDll = GetModuleHandleA(dllname);
if( hDll )
{
addr = GetProcAddress(hDll, apiname);
return;
}
}
__forceinline explicit R0API(HANDLE hModule, const char* apiname)
{
addr = GetProcAddress(hModule, apiname);
}
__forceinline ~R0API()
{
addr = NULL;
}
};