467 lines
10 KiB
C++
467 lines
10 KiB
C++
/**
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* Standard Library for C++11/14/17
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2017 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file nana/stdc++.cpp
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*/
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#include <nana/stdc++.hpp>
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//Implement workarounds for GCC/MinGW which version is below 4.8.2
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#if defined(STD_NUMERIC_CONVERSIONS_NOT_SUPPORTED)
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#include <sstream>
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namespace std
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{
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int stoi(const std::string& str, std::size_t * pos, int base)
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{
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auto sptr = str.c_str();
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char *end;
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errno = 0;
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auto result = std::strtol(sptr, &end, base);
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if (sptr == end)
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throw std::invalid_argument("invalid stoi argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoi argument out of range");
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if (pos)
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*pos = (std::size_t)(end - sptr);
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return ((int)result);
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}
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int stoi(const std::wstring& str, std::size_t* pos, int base)
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{
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auto sptr = str.data();
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wchar_t *end;
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errno = 0;
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auto result = std::wcstol(sptr, &end, base);
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if (sptr == end)
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throw std::invalid_argument("invalid stoi argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoi argument out of range");
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if (pos)
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*pos = (std::size_t)(end - sptr);
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return ((int)result);
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}
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using ::strtof;
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using ::strtold;
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using ::wcstold;
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using ::strtoll;
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using ::wcstoll;
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using ::strtoull;
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using ::wcstoull;
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float stof(const std::string& str, std::size_t * pos)
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{
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auto *ptr = str.data();
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errno = 0;
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char *end;
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auto result = std::strtof(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stof argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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float stof(const std::wstring& str, std::size_t* pos)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t *end;
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auto result = std::wcstof(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stof argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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double stod(const std::string& str, std::size_t * pos)
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{
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auto *ptr = str.data();
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errno = 0;
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char *end;
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auto result = std::strtod(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stod argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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double stod(const std::wstring& str, std::size_t* pos)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t *end;
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auto result = std::wcstod(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stod argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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long double stold(const std::string& str, std::size_t * pos)
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{
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auto *ptr = str.data();
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errno = 0;
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char *end;
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auto result = std::strtold(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stold argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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long double stold(const std::wstring& str, std::size_t* pos)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t *end;
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auto result = std::wcstold(ptr, &end);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stold argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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long stol(const std::string& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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char *end;
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auto result = std::strtol(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stol argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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long stol(const std::wstring& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t *end;
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auto result = std::wcstol(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stol argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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//Workaround for no implemenation of std::stoll in MinGW.
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long long stoll(const std::string& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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char* end;
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auto result = std::strtoll(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoll argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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long long stoll(const std::wstring& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t* end;
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auto result = std::wcstoll(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoll argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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unsigned long long stoull(const std::string& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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char* end;
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auto result = std::strtoull(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoull argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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unsigned long long stoull(const std::wstring& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t* end;
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auto result = std::wcstoull(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoull argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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//Workaround for no implemenation of std::stoul in MinGW.
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unsigned long stoul(const std::string& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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char* end;
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auto result = std::strtoul(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoul argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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unsigned long stoul(const std::wstring& str, std::size_t* pos, int base)
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{
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auto *ptr = str.data();
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errno = 0;
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wchar_t* end;
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auto result = std::wcstoul(ptr, &end, base);
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if (ptr == end)
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throw std::invalid_argument("invalid stod argument");
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if (errno == ERANGE)
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throw std::out_of_range("stoul argument out of range");
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if (pos)
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*pos = (std::size_t)(end - ptr);
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return result;
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}
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}//end namespace std
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#endif //STD_NUMERIC_CONVERSIONS_NOT_SUPPORTED
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#ifdef STD_TO_STRING_NOT_SUPPORTED
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#include <sstream>
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namespace std
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{
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std::string to_string(double v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(long double v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(unsigned v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(int v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(long v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(unsigned long v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(long long v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(unsigned long long v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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std::string to_string(float v)
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{
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std::stringstream ss;
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ss << v;
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return ss.str();
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}
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}
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#endif // STD_TO_STRING_NOT_SUPPORTED
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#ifdef STD_TO_WSTRING_NOT_SUPPORTED
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#include <sstream>
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namespace std
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{
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std::wstring to_wstring(double v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(long double v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(unsigned v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(int v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(long v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(unsigned long v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(long long v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(unsigned long long v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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std::wstring to_wstring(float v)
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{
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std::wstringstream ss;
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ss << v;
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return ss.str();
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}
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}
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#endif
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#ifdef _enable_std_put_time
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#include <cwchar>
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namespace std
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{
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//Workaround for no implemenation of std::put_time in gcc < 5.
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/* std unspecified return type */
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//template< class CharT, class RTSTR >// let fail for CharT != char / wchar_t
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//RTSTR put_time(const std::tm* tmb, const CharT* fmt);
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//template< >
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std::string put_time/*<char, std::string>*/(const std::tm* tmb, const char* fmt)
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{
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std::size_t sz = 200;
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std::string str(sz, '\0');
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sz = std::strftime(&str[0], str.size() - 1, fmt, tmb);
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str.resize(sz);
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return str;
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}
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//Defined in header <ctime>
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// std::size_t strftime(char* str, std::size_t count, const char* format, const std::tm* time);
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//template<>
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//std::wstring put_time<wchar_t, std::wstring>(const std::tm* tmb, const wchar_t* fmt)
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//{
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// unsigned sz = 200;
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// std::wstring str(sz, L'\0');
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// sz = std::wcsftime(&str[0], str.size() - 1, fmt, tmb);
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// str.resize(sz);
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// return str;
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//}
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// http://en.cppreference.com/w/cpp/chrono/c/wcsftime
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// Defined in header <cwchar>
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// std::size_t wcsftime(wchar_t* str, std::size_t count, const wchar_t* format, const std::tm* time);
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// Converts the date and time information from a given calendar time time to a null - terminated
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// wide character string str according to format string format.Up to count bytes are written.
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// Parameters
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// str - pointer to the first element of the wchar_t array for output
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// count - maximum number of wide characters to write
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// format - pointer to a null - terminated wide character string specifying the format of conversion.
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}
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#endif // _enable_std_put_time
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