interface_declare.h File Reference

‎//*****************************************************************************
// Copyright 1986, 2016 NVIDIA Corporation. All rights reserved.
//*****************************************************************************
//*****************************************************************************

#ifndef MI_BASE_INTERFACE_DECLARE_H
#define MI_BASE_INTERFACE_DECLARE_H

#include <mi/base/iinterface.h>
#include <mi/base/types.h>
#include <mi/base/uuid.h>

namespace mi {
namespace base {

// Forward declaration
class IInterface;

template <Uint32 id1, Uint16 id2, Uint16 id3
    , Uint8 id4, Uint8 id5, Uint8 id6, Uint8 id7
    , Uint8 id8, Uint8 id9, Uint8 id10, Uint8 id11
    , class I = IInterface>
class Interface_declare : public I
{
public:
    typedef Interface_declare< id1, id2, id3, id4, id5, id6, id7, id8, id9, id10, id11, I> 
               Self;

    typedef Uuid_t< id1, id2, id3, id4, id5, id6, id7, id8, id9, id10, id11> 
               IID;

    static bool compare_iid( const Uuid& iid) {
        if( iid == IID())
            return true;
        return I::compare_iid( iid);
    }

protected:
    // Acquires a const interface.
    //
    // Static helper function for implementing #get_interface(const Uuid&).
    //
    // \param iinterface   The interface to act on.
    // \param interface_id Interface ID of the interface to acquire.
    static const IInterface* get_interface_static(
        const IInterface* iinterface,
        const Uuid& interface_id)
    {
        if( interface_id == IID()) {
            const Self* self = static_cast<const Self *>( iinterface);
            self->retain();
            return self;
        }
        return I::get_interface_static( iinterface, interface_id);
    }

    // Acquires a mutable interface.
    //
    // Static helper function for implementing #get_interface(const Uuid&).
    //
    // \param iinterface   The interface to act on.
    // \param interface_id Interface ID of the interface to acquire.
    static IInterface* get_interface_static(
        IInterface* iinterface,
        const Uuid& interface_id)
    {
        if( interface_id == IID()) {
            Self* self = static_cast<Self*>( iinterface);
            self->retain();
            return self;
        }
        return I::get_interface_static( iinterface, interface_id);
    }
};
 // end group mi_base_iinterface

} // namespace base
} // namespace mi

#endif // MI_BASE_INTERFACE_DECLARE_H