75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include "guid.h"
|
||
|
|
|
||
|
|
#ifdef WIN32
|
||
|
|
#ifndef NOVTABLE
|
||
|
|
#define NOVTABLE __declspec(novtable)
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#define NOVTABLE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(__GNUC__) && (defined(__x86_32__) || defined(__i386__))
|
||
|
|
#define WASABICALL __attribute__((stdcall))
|
||
|
|
#elif defined (_WIN32)
|
||
|
|
#define WASABICALL __stdcall
|
||
|
|
#else
|
||
|
|
#define WASABICALL
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace Wasabi2
|
||
|
|
{
|
||
|
|
class NOVTABLE Dispatchable
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
Dispatchable(size_t _dispatchable_version) : dispatchable_version(_dispatchable_version) {}
|
||
|
|
~Dispatchable() {}
|
||
|
|
public:
|
||
|
|
#define dispatch_call(code, default_return, func) (DispatchValid(code))?(default_return):func
|
||
|
|
#define dispatch_voidcall(code, func) if (DispatchValid(code)) func
|
||
|
|
|
||
|
|
bool DispatchValid(size_t code) const
|
||
|
|
{
|
||
|
|
return code < dispatchable_version;
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t Retain()
|
||
|
|
{
|
||
|
|
return Dispatchable_Retain();
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t Release()
|
||
|
|
{
|
||
|
|
return Dispatchable_Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
int QueryInterface(GUID interface_guid, void **object)
|
||
|
|
{
|
||
|
|
return Dispatchable_QueryInterface(interface_guid, object);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class ifc_t>
|
||
|
|
int QueryInterface(ifc_t **object)
|
||
|
|
{
|
||
|
|
return Dispatchable_QueryInterface(ifc_t::GetInterfaceGUID(), (void **)object);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual size_t WASABICALL Dispatchable_Retain() { return 0; }
|
||
|
|
virtual size_t WASABICALL Dispatchable_Release() { return 0; }
|
||
|
|
virtual int WASABICALL Dispatchable_QueryInterface(GUID interface_guid, void **object) { return 1; }
|
||
|
|
|
||
|
|
size_t dispatchable_version;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef DECLARE_EXTERNAL_SERVICE
|
||
|
|
#define DECLARE_EXTERNAL_SERVICE(_type, _name) extern _type *_name
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef DEFINE_EXTERNAL_SERVICE
|
||
|
|
#define DEFINE_EXTERNAL_SERVICE(_type, _name) _type *_name=0
|
||
|
|
#endif
|