Exception.cpp

/***************************************************************************
 *                                                                         *
 *   (c) Art Tevs, MPI Informatik Saarbruecken                             *
 *       mailto: <tevs@mpi-sb.mpg.de>                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

//----------------------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------------------
#include "Exception.h"
#include "Engine.h"

namespace nrEngine{

        //-------------------------------------------------------------------------
        Exception::Exception( Result number, const std::string& description, const std::string& source )
        {
                this->number = number;
                this->description = description;
                this->source = source;
        }

        //-------------------------------------------------------------------------
        Exception::Exception( Result number, const std::string& description, const std::string& source, char* file, long line )
        {
                this->number = number;
                this->description = description;
                this->source = source;
                this->lineNumber = line;
                this->file = file;

                // log the exception
                _log(description.c_str(), file, source.c_str(), line, "Exception thrown!");
        }

        //-------------------------------------------------------------------------
        Exception::Exception(const Exception& rhs)
        {
                this->number = rhs.number;
                this->description = rhs.description;
                this->source = rhs.source;
                this->lineNumber = rhs.lineNumber;
                this->file = rhs.file;
        }

        //-------------------------------------------------------------------------
        void Exception::_log(const char *szExp, const char *szFilename, const char* szFuncName, int iLineNum, const char* msg)
        {
                #if NR_PLATFORM != NR_PLATFORM_WIN32

                        // Give message on the console
                        fprintf(stderr,"================================================\n");
                        fprintf(stderr,"%s!\n", msg);
                        if (strlen(szFuncName)) fprintf(stderr,"Func: %s\n)", szFuncName);
                        if (strlen(szExp))              fprintf(stderr,"Expr: %s\n", szExp);
                        if (strlen(szFilename)) fprintf(stderr,"File: %s\n", szFilename);
                        if (iLineNum)                   fprintf(stderr,"Line: %d\n", iLineNum);
                        fprintf(stderr,"================================================\n");

                #endif
                
                // give message to log engine
                if (Engine::valid())
                {
                        NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "================================================");
                        NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "%s", msg);
                        if (strlen(szFuncName)) NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "Func: %s", szFuncName);
                        if (strlen(szExp))              NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "Expr: %s", szExp);
                        if (strlen(szFilename)) NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "File: %s", szFilename);
                        if (iLineNum)                   NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "Line: %d", iLineNum);
                        NR_Log(Log::LOG_ENGINE, Log::LL_ERROR, "================================================");
                }
        

        }

        //-------------------------------------------------------------------------
        void Exception::Assert(bool exp, const char *szExp, const char *szFilename, const char* szFuncName, int iLineNum)
        {
                if (!exp) _assertMsg(szExp, szFilename, szFuncName, iLineNum);
        }

        //-------------------------------------------------------------------------
        void Exception::_assertMsg(const char *szExp, const char *szFilename, const char* szFuncName, int iLineNum){

                // give some log information
                _log(szExp, szFilename, szFuncName, iLineNum, "Assertion failed!");

                // Try now to delete the engine
                if (Engine::valid())
                {
                        Engine::instance()->stopEngine();
                        Engine::release();
                }

                // if wondows, so show a message box
                #if NR_PLATFORM == NR_PLATFORM_WIN32
                        std::string msg;
                        msg += std::string("Assertion Failed!\n");
                        if (strlen(szFuncName)) msg += std::string("Func: ") +  std::string(szFuncName) + "\n";
                        if (strlen(szExp))              msg += "Expr: " + std::string(szExp) + "\n";
                        if (strlen(szFilename)) msg += "File: " + std::string(szFilename) + "\n";
                        if (iLineNum)                   msg += "Line: " + boost::lexical_cast<std::string>(iLineNum)+ "\n";
                        MessageBox(NULL, msg.c_str(), (std::string("nrEngine v")  + std::string(" ") + NR_VERSION_NAME).c_str(), MB_OK | MB_ICONERROR);
                #endif

                // Now exit the application
                exit(1);
        }

}; // end namespace

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