source: source/ariba/utility/misc/Helper.cpp@ 6797

// [License]

// The Ariba-Underlay Copyright

//

// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

//

// Institute of Telematics

// UniversitÀt Karlsruhe (TH)

// Zirkel 2, 76128 Karlsruhe

// Germany

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

// 1. Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// 2. Redistributions in binary form must reproduce the above copyright

// notice, this list of conditions and the following disclaimer in the

// documentation and/or other materials provided with the distribution.

//

// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND

// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

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// Telematics.

// [License]



#include "Helper.h"



#include <boost/lexical_cast.hpp>

#include <boost/algorithm/string/replace.hpp>



namespace ariba {

namespace utility {



string Helper::ultos(unsigned long val)

{

        char buf[16];



#ifdef WIN32

        _ultoa_s (val, buf, 16, 10);

#else

        sprintf (buf, "%lu", val);

#endif



        return buf;

}



string Helper::ltos(long val)

{

        char buf[16];



#ifdef WIN32

        _ltoa_s (val, buf, 16, 10);

#else

        sprintf (buf, "%li", val);

#endif



        return buf;

}



string  Helper::ultohexs (unsigned long val, bool hexdelimiter)

{

        char buf[16];



#ifdef WIN32

        _ultoa_s (val, buf, 16, 16);

#else

        sprintf (buf, "%lx", val);

#endif



        string ret = buf;



        if (hexdelimiter)

                ret.insert (0, "0x");



        return ret;

}



string Helper::ltohexs (long val, bool hexdelimiter)

{

        char buf[16];



#ifdef WIN32

        _ltoa_s (val, buf, 16, 16);

#else

        sprintf (buf, "%lx", val);

#endif



        string ret = buf;



        if (hexdelimiter)

                ret.insert (0, "0x");



        return ret;

}



string Helper::trim (string str)

{

        string ret = str;



        ret.erase (0, ret.find_first_not_of( " \n\r\t" ));

        ret.erase (ret.find_last_not_of( " \n\r\t") + 1 );



        return ret;

}



long Helper::stol (string str)

{

        return strtol (str.c_str (), NULL, 10);

}



int     Helper::stoi (string str)

{

        return (int) stol (str);

}



unsigned int Helper::hstoui (string str)

{

        return (unsigned int) strtol (str.c_str (), NULL, 16);

}



Helper::STRING_LIST     Helper::split (string str, string delimiter)

{

        STRING_LIST                     ret;

        string::size_type       offset          = 0;

        string::size_type       delimIndex      = 0;

        string                          helpstring      = "";



        if (str.length () <= 0) return ret;



    while ((delimIndex = str.find (delimiter, offset)) != string::npos) {



                helpstring = trim (str.substr (offset, delimIndex - offset));

                if (helpstring.length () > 0) ret.push_back     (helpstring);



                offset                  = delimIndex + delimiter.length();

        delimIndex              = str.find (delimiter, offset);



    } // while ((delimIndex = str.find (delimiter, offset)) != string::npos)



        if (offset < str.length ()) {

                helpstring = trim (str.substr (offset));

                if (helpstring.length () > 0) ret.push_back (helpstring);

        }



        return ret;

}



string Helper::replace (string str, string find, string repl)

{

        string ret = str;

        boost::algorithm::replace_all (ret, find, repl);

        return ret;

}



string Helper::getTime (time_t timeval)

{

        time_t          rawtime;

        struct tm*      timeinfo;



        if (timeval == 0)

                time (&rawtime);

        else

                rawtime = timeval;



#ifdef WIN32

        timeinfo = new struct tm ();

        localtime_s (timeinfo, &rawtime);

#else

        timeinfo = localtime (&rawtime);

#endif



        ostringstream                           m_formatter;



        m_formatter.str                 ("");

        m_formatter                             << setw(2) << setfill('0') << timeinfo->tm_hour                 << ":"

                                                        << setw(2) << setfill('0') << timeinfo->tm_min                  << ":"

                                                        << setw(2) << setfill('0') << timeinfo->tm_sec                  ;

        assert                                  (m_formatter.good ());



#ifdef WIN32

        delete timeinfo;

#endif

        return m_formatter.str ();

}



string Helper::getDate (time_t timeval)

{

        time_t          rawtime;

        struct tm*      timeinfo;



        if (timeval == 0)

                time (&rawtime);

        else

                rawtime = timeval;



#ifdef WIN32

        timeinfo = new struct tm ();

        localtime_s (timeinfo, &rawtime);

#else

        timeinfo = localtime (&rawtime);

#endif



        //

        // cache the date because it changes with very low frequency

        // and formatting using ostringstream or sprintf is more expensive

        //



        static struct tm datecache = {0};

        static string datecachestr = "";



        if (datecachestr.length() != 0 && (     datecache.tm_mday == timeinfo->tm_mday &&

                                                                                datecache.tm_mon  == timeinfo->tm_mon  &&

                                                                                datecache.tm_year == timeinfo->tm_year )) {

                #ifdef WIN32

                        delete timeinfo;

                #endif

                return datecachestr;

        }



        //

        // format the date for international use

        //



        char buffer [32];



        setlocale (LC_ALL, "");

        strftime (buffer, sizeof (buffer), "%x", timeinfo);



        datecachestr = buffer;

        datecache        = *timeinfo;



#ifdef WIN32

        delete timeinfo;

#endif



        return datecachestr;

}



unsigned long Helper::getElapsedMillis ()

{

        static unsigned long zero = 0;



        struct timeb tp;

        ftime( &tp );



        unsigned long val = tp.time*1000 + tp.millitm;

        if( zero == 0 ) zero = val;



        return val-zero;

}



string Helper::dtos     (double val)

{

        string ret = boost::lexical_cast<string> (val);

        return ret;

}



double Helper::stod (string str)

{

        if (str.length() <= 0)  return 0.0;

        else                                    return boost::lexical_cast<double> (str);

}



}} // namespace ariba, common