source: cpp/common/Convert.cpp @ 223

// This file is a part of the Framsticks GDK.
// Copyright (C) 1999-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#include "Convert.h"

#include <sstream>

#if defined __ANDROID__ || defined __BORLANDC__
 #include <ctype.h> //toupper, tolower
#endif

#ifdef SHP
 #include <cstdlib>
#else
 #include <stdlib.h>
#endif

#include <stdio.h>


int Convert::toInt(string s) {return atoi(s.c_str());}
float Convert::toFloat(string s) {return (float)atof(s.c_str());}
#ifndef __BORLANDC__ //the borland compiler compiles this file in GUI and CLI, but not in the theater app. Somehow it cannot find ::tolower and ::toupper; maybe this is because of various #defines in <cctype>, but why only in the theater app??
string Convert::toLowerCase(string s) {std::transform(s.begin(), s.end(), s.begin(), ::tolower);  return s;}
string Convert::toUpperCase(string s) {std::transform(s.begin(), s.end(), s.begin(), ::toupper);  return s;}
#endif
char Convert::toLowerCase(char c) {return (char)tolower(c);}
char Convert::toUpperCase(char c) {return (char)toupper(c);}

template<class T> const char* printf_format_for(const T& value) {return "unknown type";}
template<> const char* printf_format_for(const unsigned int& value) {return "%u";}
template<> const char* printf_format_for(const int& value) {return "%d";}
template<> const char* printf_format_for(const short& value) {return "%d";}
template<> const char* printf_format_for(const float& value) {return "%g";}
template<> const char* printf_format_for(const double& value) {return "%g";}

template<class T> string Convert::_toString(const T& value)
{
char buf[30];
sprintf(buf,printf_format_for(value),value);
return string(buf);
/*
#ifndef MULTITHREADED
        static
#endif
        std::ostringstream oss; //pod VS tworzenie go trwa dlugo nawet w wersji release (szczegolnie jak np konwertuje sie cos setki tysiecy razy)
        //dlatego robimy go raz (static) i potem tylko czyscimy
        //ciekawostka: kiedy nie byl static, czasy wykonania bogatego w konwersje kawa³ka kodu oscylowa³y w trybie debug
        //(5.5s lub 55s) a w release zawsze 57s. Po uzyciu static czas tego samego kodu jest zawsze debug: 0.72s release: 0.33s
        oss.clear(); //clear error flag
        oss.str(""); //set empty string
  oss << value;
  return oss.str();
*/
}

string Convert::toString(unsigned int v) {return _toString(v);}
string Convert::toString(int v) {return _toString(v);}
string Convert::toString(short v) {return _toString(v);}
string Convert::toString(float v) {return _toString(v);}
string Convert::toString(double v) {return _toString(v);}

#ifdef MULTITHREADED
//jezeli jest tu a nie jako static w funkcji, to inicjalizacja
//nastapi na samym poczatku (w nieprzewidywalnym momencie, ale nie szkodzi(?))
//gdyby byla w funkcji to teoretycznie dwa watki moglyby wejsc
//do niej rownoczesnie i zaczac inicjalizacje po czym jeden korzystalby
//z mutexa gdy drugi dalej by go inicjalizowal
#include "threads.h"
static pthread_mutex_t fix_unsafe_mutex=PTHREAD_MUTEX_INITIALIZER;
#endif

struct tm Convert::localtime(const time_t &timep)
{
#ifndef MULTITHREADED

return *::localtime(&timep);

#else

struct tm ret;

#if defined LINUX // || android?
return *::localtime_r(&timep,&ret);
#elif defined _WIN32 && !defined __BORLANDC__ // and not bada?
::localtime_s(&ret,&timep);
return ret;
#else //borland?
pthread_mutex_lock(&fix_unsafe_mutex);
ret=*::localtime(&timep);
pthread_mutex_unlock(&fix_unsafe_mutex);
return ret;
#endif

#endif
}

string Convert::asctime(const struct tm &tm)
{
char *ret;
#ifndef MULTITHREADED

ret=::asctime(&tm);

#else //MULTITHREADED

char buf[26];
#if defined LINUX // || android?
ret=::asctime_r(&tm,buf);
#elif defined _WIN32 && !defined __BORLANDC__ // and not bada?
asctime_s(buf,sizeof(buf),&tm);
ret=buf;
#else //borland?
pthread_mutex_lock(&fix_unsafe_mutex);
strcpy(buf,::asctime(&tm));
ret=buf;
pthread_mutex_unlock(&fix_unsafe_mutex);
#endif
#endif

return string(ret,24); //24 znaki z pominieciem ostatniego \n
}