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/*******************************************************************************
* librepfunc: A tiny lib of common functions and tasks in my c++ projects.
* See the README file for copyright information and how to reach the author.
******************************************************************************/
#include <string> // std::stoll
#include <iostream> // std::cerr
#include <exception> // std::exception
#define __STDC_LIMIT_MACROS
#include <cmath> // INTMAX_MAX
#include <repfunc.h>
template<class T>
std::intmax_t StrToIntT(const std::basic_string<T>& s, size_t* pos, size_t base, const char* f) {
constexpr std::intmax_t err = INTMAX_MAX; /* greater or equal 2^63 - 1 */
if (s.empty()) {
std::cerr << f
<< ": ERROR: cannot convert empty string to integer."
<< std::endl;
return err;
}
else if ((base == 1) or (base > 36)) {
std::cerr << f
<< ": ERROR: invalid base: " + IntToStr(base)
<< std::endl;
return err;
}
else {
try {
return std::stoll(s, pos, base);
}
catch(const std::exception& e) {
std::cerr << f
<< ": ERROR: cannot convert to integer: "
<< e.what() << std::endl;
return err;
}
}
}
std::intmax_t StrToInt(const std::string& s, size_t* pos, size_t base) {
return StrToIntT(s, pos, base, __PRETTY_FUNCTION__);
}
std::intmax_t WStrToInt(const std::wstring& s, size_t* pos, size_t base) {
return StrToIntT(s, pos, base, __PRETTY_FUNCTION__);
}
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