tfError.h

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/*******************************************************************************
 * This file is part of Tissue Forge.
 * Copyright (c) 2022-2024 T.J. Sego
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 ******************************************************************************/

 
#ifndef _SOURCE_TFERROR_H_
#define _SOURCE_TFERROR_H_
 
#include <tf_port.h>
 
#include <exception>
#include <string>
#include <vector>
 
 
namespace TissueForge {
 
 
    struct CAPI_EXPORT Error {
        HRESULT err;

        std::string msg;

        int lineno;

        std::string fname;

        std::string func;
    };

    typedef void (*ErrorCallback)(const Error &err);

    CPPAPI_FUNC(unsigned int) addErrorCallback(ErrorCallback &cb);

    CPPAPI_FUNC(HRESULT) removeErrorCallback(const unsigned int &cb_id);

    CPPAPI_FUNC(HRESULT) clearErrorCallbacks();
 
    #define tf_error(code, msg) errSet(code, msg, __LINE__, __FILE__, TF_FUNCTION)
 
    #define tf_exp(e) expSet(e, "", __LINE__, __FILE__, TF_FUNCTION)
 
    #define TF_RETURN_EXP(e) expSet(e, "", __LINE__, __FILE__, TF_FUNCTION); return NULL

    CPPAPI_FUNC(HRESULT) errSet(HRESULT code, const char* msg, int line, const char* file, const char* func);

    CPPAPI_FUNC(HRESULT) expSet(const std::exception&, const char* msg, int line, const char* file, const char* func);

    CPPAPI_FUNC(bool) errOccurred();

    CPPAPI_FUNC(void) errClear();

    CPPAPI_FUNC(std::string) errStr(const Error &err);

    CPPAPI_FUNC(std::vector<Error>) errGetAll();

    CPPAPI_FUNC(Error) errGetFirst();

    CPPAPI_FUNC(void) errClearFirst();

    CPPAPI_FUNC(Error) errPopFirst();
 
};
 
inline std::ostream& operator<<(std::ostream& os, const TissueForge::Error &err)
{
    os << std::string("Code: ");
    os << std::to_string(err.err);
    os << std::string(", Msg: ");
    os << err.msg;
    os << std::string(", File: ");
    os << err.fname;
    os << std::string(", Line: ");
    os << std::to_string(err.lineno);
    os << std::string(", Function: ");
    os << err.func;
    return os;
}
 
#endif // _SOURCE_TFERROR_H_