libi2ncommon: (gerd) add iprange::get_type()

[libi2ncommon] / src / timefunc.cpp

/***************************************************************************
                          timecvt.cpp  -  description
                             -------------------
    begin                : Fri May 11 2001
    copyright            : (C) 2001 by STYLETEC
    email                : info@styletec.de
 ***************************************************************************/

#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>

#include <time.h>
#include <sys/timeb.h>

#include <timefunc.hxx>
#include <i18n.h>

using namespace std;

double prec_time(void)
{
    struct timeb tb;
    double ret;

    ftime(&tb);

    ret=tb.time+(static_cast<float>(tb.millitm)/1000);

    return ret;
}

// converts ISO-DATE: 2003-06-13
int date_to_seconds(const std::string &date)
{
    int rtn = -1, year = -1, month = -1, day = -1;
    
    string::size_type pos = date.find("-");
    if (pos == string::npos)
        return rtn;
    
    istringstream in(string(date,0,pos));
    in >> year;
    year -= 1900;
        
    string dstr(date, pos+1);
    if ((pos = dstr.find("-")) == string::npos)
        return rtn;
    
    in.clear();
    in.str(string(dstr, 0, pos));
    in >> month;
    month -= 1;
        
    in.clear();
    in.str(string(dstr, pos+1));
    in >> day;
    
    if (year < 0 || month == -1 || day == -1)
        return rtn;
    
    struct tm tm_struct;
    bzero (&tm_struct, sizeof(struct tm));
    tm_struct.tm_year = year;
    tm_struct.tm_mon = month;
    tm_struct.tm_mday = day;
    tm_struct.tm_isdst = -1;
    
    rtn = mktime (&tm_struct);
    return rtn;
}

string make_nice_time(int seconds)
{
    ostringstream out;

    int days=seconds/86400;
    seconds%=86400;

    int hours=seconds/3600;
    seconds%=3600;

    int minutes=seconds/60;
    seconds%=60;

    if (days==1)
        out << i18n("1 day") << ", ";
    else if (days>1)
        out << days << ' ' << i18n("days") << ", ";

    out << setfill('0');
    out << setw(2) << hours << ':' << setw(2) << minutes << ':' << setw(2) << seconds;

    return out.str();
}

string format_full_time(int seconds)
{
    char buf[50];
    memset (buf, 0, 50);
    struct tm *ta = localtime ((time_t *)&seconds);

    strftime (buf, 49, "%d.%m.%Y %H:%M", ta);
    return string(buf);
}