DFXErrors.h

/*
 *              Copyright (c) 2016-2019, Nuralogix Corp.
 *                      All Rights reserved
 *
 *      THIS SOFTWARE IS LICENSED BY AND IS THE CONFIDENTIAL AND
 *      PROPRIETARY PROPERTY OF NURALOGIX CORP. IT IS
 *      PROTECTED UNDER THE COPYRIGHT LAWS OF THE USA, CANADA
 *      AND OTHER FOREIGN COUNTRIES. THIS SOFTWARE OR ANY
 *      PART THEREOF, SHALL NOT, WITHOUT THE PRIOR WRITTEN CONSENT
 *      OF NURALOGIX CORP, BE USED, COPIED, DISCLOSED,
 *      DECOMPILED, DISASSEMBLED, MODIFIED OR OTHERWISE TRANSFERRED
 *      EXCEPT IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF A
 *      NURALOGIX CORP SOFTWARE LICENSE AGREEMENT.
 */
#pragma once
#ifndef LIBDFX_ERRORS_H
#define LIBDFX_ERRORS_H
 
#include "dfxc/dfx_error.h"
#include <stdexcept>
 
namespace dfx {
 
struct Error {
    Error()
    : opaque(nullptr)
    {
    }
 
    ~Error()
    {
        if (opaque) {
            dfx_error_destroy(opaque);
        }
    }
 
    dfx_error* opaque;
};
 
class ThrowOnError {
public:
    ~ThrowOnError() noexcept(false)
    {
        if (_error.opaque) {
            throw std::runtime_error(dfx_error_message(_error.opaque));
        }
    }
 
    operator dfx_error**() { return &_error.opaque; }
 
private:
    struct Error _error;
};
 
#ifdef DFX_DEBUG_DESKTOP
#include <iostream>
class LogOnError {
public:
    LogOnError(std::ostream& os) : _os(os) {}
    ~LogOnError()
    {
        if (_error.opaque) {
            _os << _error.opaque << std::endl;
        }
    }
 
    operator dfx_error**() { return &_error.opaque; }
 
private:
    std::ostream& _os;
    struct Error _error;
};
#endif
 
} // namespace dfx
 
#endif