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/***********************************************************************/
/* */
/* CamlIDL */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1999 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License. */
/* */
/***********************************************************************/
/* $Id: superror.cpp,v 1.3 2000-08-19 11:05:00 xleroy Exp $ */
/* The ISupportErrorInfo interface for Caml components */
extern "C" {
#include <caml/mlvalues.h>
#include "camlidlruntime.h"
}
#include "comstuff.h"
class camlidl_sei : public ISupportErrorInfo
{
private:
struct camlidl_intf * intf;
long refcount;
public:
virtual HRESULT __stdcall QueryInterface(const IID& iid, void ** object)
{
return camlidl_QueryInterface(intf, iid, object);
}
ULONG __stdcall AddRef()
{
return InterlockedIncrement(&refcount);
}
ULONG __stdcall Release()
{
ULONG newrefcount = InterlockedDecrement(&refcount);
if (newrefcount == 0) {
((IUnknown *) intf)->Release();
delete this;
}
return newrefcount;
}
HRESULT __stdcall InterfaceSupportsErrorInfo(const IID& iid)
{
if (iid == IID_IUnknown || iid == IID_ISupportErrorInfo)
return S_FALSE;
else
return S_OK;
}
// constructor
camlidl_sei (struct camlidl_intf * intf_init)
{
intf = intf_init;
((IUnknown *) intf)->AddRef();
refcount = 1;
}
};
extern "C"
ISupportErrorInfo * camlidl_support_error_info(struct camlidl_intf * i)
{
return new camlidl_sei(i);
}
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