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//===------------------------- string.cpp ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "string"
#include "cstdlib"
#include "cwchar"
#include "cerrno"
#if _WIN32
#include "support/win32/support.h"
#endif // _WIN32
_LIBCPP_BEGIN_NAMESPACE_STD
template class __basic_string_common<true>;
template class basic_string<char>;
template class basic_string<wchar_t>;
template
string
operator+<char, char_traits<char>, allocator<char> >(char const*, string const&);
#ifdef __ANDROID__
namespace {
// Private helper function used in place of std::swap() to handle the case
// where errno is declared as a volatile int (making std::swap inappropriate
// since its two parameters have different types, volatile int vs int).
template <typename A, typename B>
inline _LIBCPP_INLINE_VISIBILITY void swap(A& a, B& b) {
A a_copy = a;
a = b;
b = a_copy;
}
} // namespace
#endif // __ANDROID__
int
stoi(const string& str, size_t* idx, int base)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
long r = strtol(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE || r < numeric_limits<int>::min() ||
numeric_limits<int>::max() < r)
throw out_of_range("stoi: out of range");
if (ptr == p)
throw invalid_argument("stoi: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return static_cast<int>(r);
}
int
stoi(const wstring& str, size_t* idx, int base)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
long r = wcstol(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE || r < numeric_limits<int>::min() ||
numeric_limits<int>::max() < r)
throw out_of_range("stoi: out of range");
if (ptr == p)
throw invalid_argument("stoi: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return static_cast<int>(r);
}
long
stol(const string& str, size_t* idx, int base)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
long r = strtol(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stol: out of range");
if (ptr == p)
throw invalid_argument("stol: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
long
stol(const wstring& str, size_t* idx, int base)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
long r = wcstol(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stol: out of range");
if (ptr == p)
throw invalid_argument("stol: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
unsigned long
stoul(const string& str, size_t* idx, int base)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
unsigned long r = strtoul(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoul: out of range");
if (ptr == p)
throw invalid_argument("stoul: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
unsigned long
stoul(const wstring& str, size_t* idx, int base)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
unsigned long r = wcstoul(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoul: out of range");
if (ptr == p)
throw invalid_argument("stoul: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
long long
stoll(const string& str, size_t* idx, int base)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
long long r = strtoll(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoll: out of range");
if (ptr == p)
throw invalid_argument("stoll: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
long long
stoll(const wstring& str, size_t* idx, int base)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
long long r = wcstoll(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoll: out of range");
if (ptr == p)
throw invalid_argument("stoll: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
unsigned long long
stoull(const string& str, size_t* idx, int base)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
unsigned long long r = strtoull(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoull: out of range");
if (ptr == p)
throw invalid_argument("stoull: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
unsigned long long
stoull(const wstring& str, size_t* idx, int base)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
unsigned long long r = wcstoull(p, &ptr, base);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stoull: out of range");
if (ptr == p)
throw invalid_argument("stoull: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
float
stof(const string& str, size_t* idx)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
float r = strtof(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stof: out of range");
if (ptr == p)
throw invalid_argument("stof: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
float
stof(const wstring& str, size_t* idx)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
float r = wcstof(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stof: out of range");
if (ptr == p)
throw invalid_argument("stof: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
double
stod(const string& str, size_t* idx)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
double r = strtod(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stod: out of range");
if (ptr == p)
throw invalid_argument("stod: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
double
stod(const wstring& str, size_t* idx)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
double r = wcstod(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stod: out of range");
if (ptr == p)
throw invalid_argument("stod: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
long double
stold(const string& str, size_t* idx)
{
char* ptr;
const char* const p = str.c_str();
int errno_save = errno;
errno = 0;
long double r = strtold(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stold: out of range");
if (ptr == p)
throw invalid_argument("stold: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
long double
stold(const wstring& str, size_t* idx)
{
wchar_t* ptr;
const wchar_t* const p = str.c_str();
int errno_save = errno;
errno = 0;
long double r = wcstold(p, &ptr);
swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (errno_save == ERANGE)
throw out_of_range("stold: out of range");
if (ptr == p)
throw invalid_argument("stold: no conversion");
#endif // _LIBCPP_NO_EXCEPTIONS
if (idx)
*idx = static_cast<size_t>(ptr - p);
return r;
}
string to_string(int val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%d", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(unsigned val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%u", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(long val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%ld", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(unsigned long val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%lu", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(long long val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%lld", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(unsigned long long val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%llu", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(float val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%f", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(double val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%f", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
string to_string(long double val)
{
string s;
s.resize(s.capacity());
while (true)
{
size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%Lf", val));
if (n2 <= s.size())
{
s.resize(n2);
break;
}
s.resize(n2);
}
return s;
}
wstring to_wstring(int val)
{
const size_t n = (numeric_limits<int>::digits / 3)
+ ((numeric_limits<int>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%d", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(unsigned val)
{
const size_t n = (numeric_limits<unsigned>::digits / 3)
+ ((numeric_limits<unsigned>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%u", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(long val)
{
const size_t n = (numeric_limits<long>::digits / 3)
+ ((numeric_limits<long>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%ld", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(unsigned long val)
{
const size_t n = (numeric_limits<unsigned long>::digits / 3)
+ ((numeric_limits<unsigned long>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%lu", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(long long val)
{
const size_t n = (numeric_limits<long long>::digits / 3)
+ ((numeric_limits<long long>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%lld", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(unsigned long long val)
{
const size_t n = (numeric_limits<unsigned long long>::digits / 3)
+ ((numeric_limits<unsigned long long>::digits % 3) != 0)
+ 1;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%llu", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(float val)
{
const size_t n = 20;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%f", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(double val)
{
const size_t n = 20;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%f", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
wstring to_wstring(long double val)
{
const size_t n = 20;
wstring s(n, wchar_t());
s.resize(s.capacity());
while (true)
{
int n2 = swprintf(&s[0], s.size()+1, L"%Lf", val);
if (n2 > 0)
{
s.resize(static_cast<size_t>(n2));
break;
}
s.resize(2*s.size());
s.resize(s.capacity());
}
return s;
}
_LIBCPP_END_NAMESPACE_STD