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Diffstat (limited to 'contrib/libstdc++/include/bits/sstream.tcc')
| -rw-r--r-- | contrib/libstdc++/include/bits/sstream.tcc | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/contrib/libstdc++/include/bits/sstream.tcc b/contrib/libstdc++/include/bits/sstream.tcc deleted file mode 100644 index 4de1c8124b57..000000000000 --- a/contrib/libstdc++/include/bits/sstream.tcc +++ /dev/null @@ -1,279 +0,0 @@ -// String based streams -*- C++ -*- - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 -// 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 2, 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. - -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -/** @file sstream.tcc - * This is an internal header file, included by other library headers. - * You should not attempt to use it directly. - */ - -// -// ISO C++ 14882: 27.7 String-based streams -// - -#ifndef _SSTREAM_TCC -#define _SSTREAM_TCC 1 - -#pragma GCC system_header - -#include <sstream> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - template <class _CharT, class _Traits, class _Alloc> - typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type - basic_stringbuf<_CharT, _Traits, _Alloc>:: - pbackfail(int_type __c) - { - int_type __ret = traits_type::eof(); - if (this->eback() < this->gptr()) - { - // Try to put back __c into input sequence in one of three ways. - // Order these tests done in is unspecified by the standard. - const bool __testeof = traits_type::eq_int_type(__c, __ret); - if (!__testeof) - { - const bool __testeq = traits_type::eq(traits_type:: - to_char_type(__c), - this->gptr()[-1]); - const bool __testout = this->_M_mode & ios_base::out; - if (__testeq || __testout) - { - this->gbump(-1); - if (!__testeq) - *this->gptr() = traits_type::to_char_type(__c); - __ret = __c; - } - } - else - { - this->gbump(-1); - __ret = traits_type::not_eof(__c); - } - } - return __ret; - } - - template <class _CharT, class _Traits, class _Alloc> - typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type - basic_stringbuf<_CharT, _Traits, _Alloc>:: - overflow(int_type __c) - { - const bool __testout = this->_M_mode & ios_base::out; - if (__builtin_expect(!__testout, false)) - return traits_type::eof(); - - const bool __testeof = traits_type::eq_int_type(__c, traits_type::eof()); - if (__builtin_expect(__testeof, false)) - return traits_type::not_eof(__c); - - const __size_type __capacity = _M_string.capacity(); - const __size_type __max_size = _M_string.max_size(); - const bool __testput = this->pptr() < this->epptr(); - if (__builtin_expect(!__testput && __capacity == __max_size, false)) - return traits_type::eof(); - - // Try to append __c into output sequence in one of two ways. - // Order these tests done in is unspecified by the standard. - const char_type __conv = traits_type::to_char_type(__c); - if (!__testput) - { - // NB: Start ostringstream buffers at 512 chars. This is an - // experimental value (pronounced "arbitrary" in some of the - // hipper english-speaking countries), and can be changed to - // suit particular needs. - // - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 169. Bad efficiency of overflow() mandated - // 432. stringbuf::overflow() makes only one write position - // available - const __size_type __opt_len = std::max(__size_type(2 * __capacity), - __size_type(512)); - const __size_type __len = std::min(__opt_len, __max_size); - __string_type __tmp; - __tmp.reserve(__len); - if (this->pbase()) - __tmp.assign(this->pbase(), this->epptr() - this->pbase()); - __tmp.push_back(__conv); - _M_string.swap(__tmp); - _M_sync(const_cast<char_type*>(_M_string.data()), - this->gptr() - this->eback(), this->pptr() - this->pbase()); - } - else - *this->pptr() = __conv; - this->pbump(1); - return __c; - } - - template <class _CharT, class _Traits, class _Alloc> - typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type - basic_stringbuf<_CharT, _Traits, _Alloc>:: - underflow() - { - int_type __ret = traits_type::eof(); - const bool __testin = this->_M_mode & ios_base::in; - if (__testin) - { - // Update egptr() to match the actual string end. - _M_update_egptr(); - - if (this->gptr() < this->egptr()) - __ret = traits_type::to_int_type(*this->gptr()); - } - return __ret; - } - - template <class _CharT, class _Traits, class _Alloc> - typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type - basic_stringbuf<_CharT, _Traits, _Alloc>:: - seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __mode) - { - pos_type __ret = pos_type(off_type(-1)); - bool __testin = (ios_base::in & this->_M_mode & __mode) != 0; - bool __testout = (ios_base::out & this->_M_mode & __mode) != 0; - const bool __testboth = __testin && __testout && __way != ios_base::cur; - __testin &= !(__mode & ios_base::out); - __testout &= !(__mode & ios_base::in); - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 453. basic_stringbuf::seekoff need not always fail for an empty stream. - const char_type* __beg = __testin ? this->eback() : this->pbase(); - if ((__beg || !__off) && (__testin || __testout || __testboth)) - { - _M_update_egptr(); - - off_type __newoffi = __off; - off_type __newoffo = __newoffi; - if (__way == ios_base::cur) - { - __newoffi += this->gptr() - __beg; - __newoffo += this->pptr() - __beg; - } - else if (__way == ios_base::end) - __newoffo = __newoffi += this->egptr() - __beg; - - if ((__testin || __testboth) - && __newoffi >= 0 - && this->egptr() - __beg >= __newoffi) - { - this->gbump((__beg + __newoffi) - this->gptr()); - __ret = pos_type(__newoffi); - } - if ((__testout || __testboth) - && __newoffo >= 0 - && this->egptr() - __beg >= __newoffo) - { - this->pbump((__beg + __newoffo) - this->pptr()); - __ret = pos_type(__newoffo); - } - } - return __ret; - } - - template <class _CharT, class _Traits, class _Alloc> - typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type - basic_stringbuf<_CharT, _Traits, _Alloc>:: - seekpos(pos_type __sp, ios_base::openmode __mode) - { - pos_type __ret = pos_type(off_type(-1)); - const bool __testin = (ios_base::in & this->_M_mode & __mode) != 0; - const bool __testout = (ios_base::out & this->_M_mode & __mode) != 0; - - const char_type* __beg = __testin ? this->eback() : this->pbase(); - if ((__beg || !off_type(__sp)) && (__testin || __testout)) - { - _M_update_egptr(); - - const off_type __pos(__sp); - const bool __testpos = (0 <= __pos - && __pos <= this->egptr() - __beg); - if (__testpos) - { - if (__testin) - this->gbump((__beg + __pos) - this->gptr()); - if (__testout) - this->pbump((__beg + __pos) - this->pptr()); - __ret = __sp; - } - } - return __ret; - } - - template <class _CharT, class _Traits, class _Alloc> - void - basic_stringbuf<_CharT, _Traits, _Alloc>:: - _M_sync(char_type* __base, __size_type __i, __size_type __o) - { - const bool __testin = _M_mode & ios_base::in; - const bool __testout = _M_mode & ios_base::out; - char_type* __endg = __base + _M_string.size(); - char_type* __endp = __base + _M_string.capacity(); - - if (__base != _M_string.data()) - { - // setbuf: __i == size of buffer area (_M_string.size() == 0). - __endg += __i; - __i = 0; - __endp = __endg; - } - - if (__testin) - this->setg(__base, __base + __i, __endg); - if (__testout) - { - this->setp(__base, __endp); - this->pbump(__o); - // egptr() always tracks the string end. When !__testin, - // for the correct functioning of the streambuf inlines - // the other get area pointers are identical. - if (!__testin) - this->setg(__endg, __endg, __endg); - } - } - - // Inhibit implicit instantiations for required instantiations, - // which are defined via explicit instantiations elsewhere. - // NB: This syntax is a GNU extension. -#if _GLIBCXX_EXTERN_TEMPLATE - extern template class basic_stringbuf<char>; - extern template class basic_istringstream<char>; - extern template class basic_ostringstream<char>; - extern template class basic_stringstream<char>; - -#ifdef _GLIBCXX_USE_WCHAR_T - extern template class basic_stringbuf<wchar_t>; - extern template class basic_istringstream<wchar_t>; - extern template class basic_ostringstream<wchar_t>; - extern template class basic_stringstream<wchar_t>; -#endif -#endif - -_GLIBCXX_END_NAMESPACE - -#endif |