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#ifndef _WRAPPER_H_
#define _WRAPPER_H_
class Object
{
// This is a simple wrapper around PyObject pointers to release them when this object goes
// out of scope. Note that it does *not* increment the reference count on acquisition but
// it *does* decrement the count if you don't use Detach.
//
// It also does not have a copy constructor and doesn't try to manage passing pointers
// around. This is simply used to simplify functions by allowing early exits.
Object(const Object& illegal) { }
void operator=(const Object& illegal) { }
protected:
PyObject* p;
public:
Object(PyObject* _p = 0)
{
p = _p;
}
~Object()
{
Py_XDECREF(p);
}
Object& operator=(PyObject* pNew)
{
Py_XDECREF(p);
p = pNew;
return *this;
}
bool IsValid() const { return p != 0; }
bool Attach(PyObject* _p)
{
// Returns true if the new pointer is non-zero.
Py_XDECREF(p);
p = _p;
return (_p != 0);
}
PyObject* Detach()
{
PyObject* pT = p;
p = 0;
return pT;
}
operator PyObject*()
{
return p;
}
operator PyTupleObject*()
{
// This is a bit weird. I'm surprised the PyTuple_ functions and macros don't just use
// PyObject.
return (PyTupleObject*)p;
}
operator PyVarObject*() { return (PyVarObject*)p; }
operator const bool() { return p != 0; }
PyObject* Get()
{
return p;
}
};
#ifdef WINVER
struct RegKey
{
HKEY hkey;
RegKey()
{
hkey = 0;
}
~RegKey()
{
if (hkey != 0)
RegCloseKey(hkey);
}
operator HKEY() { return hkey; }
};
#endif
#endif // _WRAPPER_H_
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