source: cpp/common/log.cpp @ 375

// This file is a part of Framsticks SDK.  http://www.framsticks.com/
// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
// See LICENSE.txt for details.

#include "log.h"
#include <common/nonstd_stdio.h>
#include "stl-util.h"
#include "Convert.h"

const char* LOG_LEVEL[] = { "[DEBUG] ", "", "[WARN] ", "[ERROR] ", "[CRITICAL] " };

void logMessage(const char *obj, const char *method, int level, const char *msg)
{
        int line = 0; //all lines except the first one get the "..." prefix
        const char* nextsep;
        do
        {
                nextsep = strchr(msg, '\n');
                if (nextsep == NULL) //last chunk, until the end
                        nextsep = strchr(msg, '\0');
                if ((nextsep > msg) && (nextsep[-1] == '\r'))
                        nextsep--;
                if (line == 0)
                {
                        if (*nextsep == 0) //there was only one line! no need to modify it in any way.
                                _logMessageSingleLine(obj, method, level, msg);
                        else //first line from multi-line
                                _logMessageSingleLine(obj, method, level, string(msg, nextsep - msg).c_str());
                }
                else //consecutive lines from multi-line
                        _logMessageSingleLine(obj, method, level, (LOG_MULTILINE_CONTINUATION + string(msg, nextsep - msg)).c_str()); //could also add line numbers like ...(3)... but let's keep the prefix short and simple
                line++;
                if ((nextsep[0] == '\r') && (nextsep[1] == '\n'))
                        msg = nextsep + 2;
                else if (*nextsep)
                        msg = nextsep + 1;
        } while (*nextsep);
}


void logPrintf_va(const char *obj, const char *method, int level, const char *msgf, va_list va)
{
        string buf = ssprintf_va(msgf, va);
        logMessage(obj, method, level, buf.c_str());
}

void logPrintf(const char *obj, const char *method, int level, const char *msgf, ...)
{
        va_list argptr;
        va_start(argptr, msgf);
        logPrintf_va(obj, method, level, msgf, argptr);
        va_end(argptr);
}

void log_printf(const char *msgf, ...)
{
        va_list argptr;
        va_start(argptr, msgf);
        logPrintf_va("Message", "printf", LOG_INFO, msgf, argptr);
        va_end(argptr);
}