X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Finclude%2Fext%2Fstring_conversions.h;fp=libstdc%2B%2B-v3%2Finclude%2Fext%2Fstring_conversions.h;h=36c19e0a97abbbb67a61fb934de3b915822534a8;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/include/ext/string_conversions.h b/libstdc++-v3/include/ext/string_conversions.h new file mode 100644 index 00000000..36c19e0a --- /dev/null +++ b/libstdc++-v3/include/ext/string_conversions.h @@ -0,0 +1,94 @@ +// String Conversions -*- C++ -*- + +// Copyright (C) 2008, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +#ifndef _STRING_CONVERSIONS_H +#define _STRING_CONVERSIONS_H 1 + +#pragma GCC system_header + +#include +#include +#include +#include +#include +#include +#include + +_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) + + // Helper for all the sto* functions. + template + _Ret + __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...), + const char* __name, const _CharT* __str, std::size_t* __idx, + _Base... __base) + { + _Ret __ret; + + _CharT* __endptr; + errno = 0; + const _TRet __tmp = __convf(__str, &__endptr, __base...); + + if (__endptr == __str) + std::__throw_invalid_argument(__name); + else if (errno == ERANGE + || (std::__are_same<_Ret, int>::__value + && (__tmp < __numeric_traits::__min + || __tmp > __numeric_traits::__max))) + std::__throw_out_of_range(__name); + else + __ret = __tmp; + + if (__idx) + *__idx = __endptr - __str; + + return __ret; + } + + // Helper for the to_string / to_wstring functions. + template + _String + __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*, + __builtin_va_list), std::size_t __n, + const _CharT* __fmt, ...) + { + // XXX Eventually the result will be constructed in place in + // the C++0x string, likely with the help of internal hooks. + _CharT* __s = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) + * __n)); + + __builtin_va_list __args; + __builtin_va_start(__args, __fmt); + + const int __len = __convf(__s, __n, __fmt, __args); + + __builtin_va_end(__args); + + return _String(__s, __s + __len); + } + +_GLIBCXX_END_NAMESPACE + +#endif // _STRING_CONVERSIONS_H