Error.cpp

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/*! \file Error.cpp
    \brief Gestion d'erreurs.

    Sytème de gestion des exception (localisation, désignation).

    \author     aerith (http://aerith.fr)
    \version    2.0
    \date       22/05/2008
*/

#include    "Error.h"


string                      Error::log          = ""; //Par défaut pas de log vers fichier
string                      Error::langue       = ERROR_DEFLANG;
vector<ThreadCallStack *>   Error::callStacks;
vector<ErrorDesc *>         Error::descError;

Error::Error()
{
    unsigned int    i = 0;

    loc     = "";
    line    = 0;
    currentCallStack = NULL;

    for(i = 0; i < callStacks.size(); i++)
    {
        if(callStacks[i]->id == ThreadId())
        {
            currentCallStack = callStacks[i];
            break;
        }
    }

    if(!currentCallStack)
    {
        callStacks.push_back(new ThreadCallStack);
        currentCallStack = callStacks.back();
    }

    currentCallStack->nbInstance++;

    SetLangue(langue.data());
}

Error::~Error()
{
    unsigned int    i = 0;

    currentCallStack->nbInstance--;

    if(currentCallStack->nbInstance == 0)
    {
        for(i = 0; i < callStacks.size(); i++)
        {
            if(callStacks[i] == currentCallStack)
            {
                callStacks.erase(callStacks.begin() + i);
                break;
            }
        }

        delete currentCallStack;
    }

    if(callStacks.size() == 0)
    {
        for(i = 0; i < descError.size(); i++)
            delete descError[i];
    }
}

void    Error::SetLangue(const char *pFile)
{
    if(descError.size() == 0)
    {
        char            desc[ERROR_BUFFER];
        fstream         file(pFile, fstream::in);
        unsigned int    i;

        for(i = 0; i < descError.size(); i++)
            delete descError[i];

        if(file.is_open())
        {
            descError.clear();

            while(file.good())
            {
                file.getline(desc, ERROR_BUFFER);
                descError.push_back(new ErrorDesc);
                descError.back()->no = atoi(gettok(desc, 0, " :\t\n\r"));
                descError.back()->desc = gettok(desc, 1, ":\t\n\r");
            }
            file.close();
        }
        else
            cerr << "Canot open error language file" << endl;

        langue = pFile;
    }
}

void    Error::AddFunc(const char *pFunc, const char *pFile)
{
    currentCallStack->stack.push_back(new FuncInfos(pFunc, pFile, line));
}

void    Error::LogError(const char *pBuffer, ...)
{
    char        temp[ERROR_BUFFER];
    va_list     args;

    va_start(args, pBuffer);
    vsprintf(temp, pBuffer, args);
    va_end(args);
    
    if(log != "")
    {
        fstream     file(log.data(), fstream::app);

        if(file.is_open())
        {
            file << temp;
            file.close();
        }
        else
            cerr << "Canot open error log file" << endl;
    }

    cerr << temp;
}

void    Error::Perror(unsigned int iCode)
{
    time_t          tTime;
    tm              *tmTime;
    unsigned int    i = 0;

    if(iCode == ERROR_C_NOERROR)
        return;

    tTime = time(NULL);
    tmTime = localtime(&tTime);

    LogError("\n");

    for(i = 0; i < descError.size(); i++)
    {
        if(descError[i]->no == iCode)
            break;
    }

    LogError("%02i/%02i/%02i %02i:%02i:%02i : %5i ERROR in '%s' (file '%s:%i'), code %i : %s\n",
        tmTime->tm_mday, tmTime->tm_mon, tmTime->tm_year + 1900, tmTime->tm_hour, tmTime->tm_min, tmTime->tm_sec,
        currentCallStack->id,
        currentCallStack->stack.front()->func.data(),
        currentCallStack->stack.front()->file.data(),
        currentCallStack->stack.front()->line,
        iCode,
        (i < descError.size() ? descError[i]->desc.data() : "No description")
    );

    currentCallStack->stack.erase(currentCallStack->stack.begin());

    while(currentCallStack->stack.size())
    {
        LogError("%02i/%02i/%02i %02i:%02i:%02i : %5i from '%s' (file '%s:%i')\n",
            tmTime->tm_mday, tmTime->tm_mon, tmTime->tm_year + 1900, tmTime->tm_hour, tmTime->tm_min, tmTime->tm_sec,
            currentCallStack->id,
            currentCallStack->stack.front()->func.data(),
            currentCallStack->stack.front()->file.data(),
            currentCallStack->stack.front()->line
        );

        currentCallStack->stack.erase(currentCallStack->stack.begin());
    }
}

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