// Copyright (C) 1997, 1998, 1999, 2000, 2001 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // 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. // // ISO C++ 14882: 27.6.2 Output streams // #include #include // for flush() namespace std { template basic_istream<_CharT, _Traits>::sentry:: sentry(basic_istream<_CharT, _Traits>& __in, bool __noskipws) { if (__in.good()) { if (__in.tie()) __in.tie()->flush(); if (!__noskipws && (__in.flags() & ios_base::skipws)) { const __int_type __eof = traits_type::eof(); const __ctype_type* __ctype = __in._M_get_fctype_ios(); __streambuf_type* __sb = __in.rdbuf(); __int_type __c = __sb->sgetc(); while (__c != __eof && __ctype->is(ctype_base::space, __c)) __c = __sb->snextc(); #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS //195. Should basic_istream::sentry's constructor ever set eofbit? if (__c == __eof) __in.setstate(ios_base::eofbit); #endif } } if (__in.good()) _M_ok = true; else { _M_ok = false; __in.setstate(ios_base::failbit); } } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(__istream_type& (*__pf)(__istream_type&)) { __pf(*this); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(__ios_type& (*__pf)(__ios_type&)) { __pf(*this); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(ios_base& (*__pf)(ios_base&)) { __pf(*this); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(bool& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(short& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(unsigned short& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(int& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(unsigned int& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(long& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(unsigned long& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } #ifdef _GLIBCPP_USE_LONG_LONG template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(long long& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(unsigned long long& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } #endif template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(float& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(double& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(long double& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(void*& __n) { sentry __cerb(*this, false); if (__cerb) { try { ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); if (_M_check_facet(_M_fnumget)) _M_fnumget->get(*this, 0, *this, __err, __n); this->setstate(__err); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: operator>>(__streambuf_type* __sbout) { streamsize __xtrct = 0; __streambuf_type* __sbin = this->rdbuf(); sentry __cerb(*this, false); if (__sbout && __cerb) __xtrct = __copy_streambufs(*this, __sbin, __sbout); if (!__sbout || !__xtrct) this->setstate(ios_base::failbit); return *this; } template basic_istream<_CharT, _Traits>::int_type basic_istream<_CharT, _Traits>:: get(void) { const int_type __eof = traits_type::eof(); int_type __c = __eof; _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { __c = this->rdbuf()->sbumpc(); // 27.6.1.1 paragraph 3 if (__c != __eof) _M_gcount = 1; else this->setstate(ios_base::eofbit | ios_base::failbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return __c; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: get(char_type& __c) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { const int_type __eof = traits_type::eof(); int_type __bufval = this->rdbuf()->sbumpc(); // 27.6.1.1 paragraph 3 if (__bufval != __eof) { _M_gcount = 1; __c = traits_type::to_char_type(__bufval); } else this->setstate(ios_base::eofbit | ios_base::failbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: get(char_type* __s, streamsize __n, char_type __delim) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb && __n > 1) { try { const int_type __idelim = traits_type::to_int_type(__delim); const int_type __eof = traits_type::eof(); __streambuf_type* __sb = this->rdbuf(); int_type __c = __sb->sbumpc(); bool __testdelim = __c == __idelim; bool __testeof = __c == __eof; while (_M_gcount < __n - 1 && !__testeof && !__testdelim) { *__s++ = traits_type::to_char_type(__c); ++_M_gcount; __c = __sb->sbumpc(); __testeof = __c == __eof; __testdelim = __c == __idelim; } if (__testdelim || _M_gcount == __n - 1) __sb->sputbackc(__c); if (__testeof) this->setstate(ios_base::eofbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } *__s = char_type(); if (!_M_gcount) this->setstate(ios_base::failbit); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: get(__streambuf_type& __sb, char_type __delim) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { int_type __c; __streambuf_type* __this_sb = this->rdbuf(); try { const int_type __idelim = traits_type::to_int_type(__delim); const int_type __eof = traits_type::eof(); __c = __this_sb->sbumpc(); bool __testdelim = __c == __idelim; bool __testeof = __c == __eof; bool __testput = true; while (!__testeof && !__testdelim && (__testput = __sb.sputc(traits_type::to_char_type(__c)) != __eof)) { ++_M_gcount; __c = __this_sb->sbumpc(); __testeof = __c == __eof; __testdelim = __c == __idelim; } if (__testdelim || !__testput) __this_sb->sputbackc(traits_type::to_char_type(__c)); if (__testeof) this->setstate(ios_base::eofbit); } catch(exception& __fail) { // Exception may result from sputc->overflow. __this_sb->sputbackc(traits_type::to_char_type(__c)); } } if (!_M_gcount) this->setstate(ios_base::failbit); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: getline(char_type* __s, streamsize __n, char_type __delim) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { __streambuf_type* __sb = this->rdbuf(); int_type __c = __sb->sbumpc(); ++_M_gcount; const int_type __idelim = traits_type::to_int_type(__delim); const int_type __eof = traits_type::eof(); bool __testdelim = __c == __idelim; bool __testeof = __c == __eof; while (_M_gcount < __n && !__testeof && !__testdelim) { *__s++ = traits_type::to_char_type(__c); __c = __sb->sbumpc(); ++_M_gcount; __testeof = __c == __eof; __testdelim = __c == __idelim; } if (__testeof) { --_M_gcount; this->setstate(ios_base::eofbit); } else if (!__testdelim) { --_M_gcount; __sb->sputbackc(traits_type::to_char_type(__c)); this->setstate(ios_base::failbit); } } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } *__s = char_type(); if (!_M_gcount) this->setstate(ios_base::failbit); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: ignore(streamsize __n, int_type __delim) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb && __n > 0) { try { const int_type __idelim = traits_type::to_int_type(__delim); const int_type __eof = traits_type::eof(); __streambuf_type* __sb = this->rdbuf(); int_type __c = __sb->sbumpc(); bool __testdelim = __c == __idelim; bool __testeof = __c == __eof; __n = min(__n, numeric_limits::max()); while (_M_gcount < __n - 1 && !__testeof && !__testdelim) { ++_M_gcount; __c = __sb->sbumpc(); __testeof = __c == __eof; __testdelim = __c == __idelim; } if ((_M_gcount == __n - 1 && !__testeof) || __testdelim) ++_M_gcount; if (__testeof) this->setstate(ios_base::eofbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>::int_type basic_istream<_CharT, _Traits>:: peek(void) { int_type __c = traits_type::eof(); _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { __c = this->rdbuf()->sgetc(); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return __c; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: read(char_type* __s, streamsize __n) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { if (__n > 0) { try { const int_type __eof = traits_type::eof(); __streambuf_type* __sb = this->rdbuf(); int_type __c = __sb->sbumpc(); bool __testeof = __c == __eof; while (_M_gcount < __n - 1 && !__testeof) { *__s++ = traits_type::to_char_type(__c); ++_M_gcount; __c = __sb->sbumpc(); __testeof = __c == __eof; } if (__testeof) this->setstate(ios_base::eofbit | ios_base::failbit); else { // _M_gcount == __n - 1 *__s++ = traits_type::to_char_type(__c); ++_M_gcount; } } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } } else this->setstate(ios_base::failbit); return *this; } template streamsize basic_istream<_CharT, _Traits>:: readsome(char_type* __s, streamsize __n) { const int_type __eof = traits_type::eof(); _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { if (__n > 0) { try { streamsize __num = this->rdbuf()->in_avail(); if (__num != static_cast(__eof)) { __num = min(__num, __n); _M_gcount = this->rdbuf()->sgetn(__s, __num); } else this->setstate(ios_base::eofbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } } else this->setstate(ios_base::failbit); return _M_gcount; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: putback(char_type __c) { sentry __cerb(*this, true); if (__cerb) { try { const int_type __eof = traits_type::eof(); __streambuf_type* __sb = this->rdbuf(); if (!__sb || __sb->sputbackc(__c) == __eof) this->setstate(ios_base::badbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } else this->setstate(ios_base::failbit); return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: unget(void) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { const int_type __eof = traits_type::eof(); __streambuf_type* __sb = this->rdbuf(); if (!__sb || __eof == __sb->sungetc()) this->setstate(ios_base::badbit); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } else this->setstate(ios_base::failbit); return *this; } template int basic_istream<_CharT, _Traits>:: sync(void) { int __ret = traits_type::eof(); _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { __streambuf_type* __sb = this->rdbuf(); if (!__sb || __ret == __sb->pubsync()) this->setstate(ios_base::badbit); else __ret = 0; } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return __ret; } template typename basic_istream<_CharT, _Traits>::pos_type basic_istream<_CharT, _Traits>:: tellg(void) { pos_type __ret = pos_type(-1); _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::in); } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return __ret; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: seekg(pos_type __pos) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS // 136. seekp, seekg setting wrong streams? pos_type __err = this->rdbuf()->pubseekpos(__pos, ios_base::in); // 129. Need error indication from seekp() and seekg() if (__err == pos_type(off_type(-1))) this->setstate(failbit); #endif } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } template basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>:: seekg(off_type __off, ios_base::seekdir __dir) { _M_gcount = 0; sentry __cerb(*this, true); if (__cerb) { try { #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS // 136. seekp, seekg setting wrong streams? pos_type __err = this->rdbuf()->pubseekoff(__off, __dir, ios_base::in); // 129. Need error indication from seekp() and seekg() if (__err == pos_type(off_type(-1))) this->setstate(failbit); #endif } catch(exception& __fail) { // 27.6.1.3 paragraph 1 // Turn this on without causing an ios::failure to be thrown. this->setstate(ios_base::badbit); if ((this->exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } return *this; } // 27.6.1.2.3 Character extraction templates template basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) { typedef basic_istream<_CharT, _Traits> __istream_type; typename __istream_type::sentry __cerb(__in, false); if (__cerb) { try { __in.get(__c); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. __in.setstate(ios_base::badbit); if ((__in.exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } else __in.setstate(ios_base::failbit); return __in; } template basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::__streambuf_type __streambuf_type; typedef typename _Traits::int_type int_type; typedef _CharT char_type; typedef ctype<_CharT> __ctype_type; streamsize __extracted = 0; typename __istream_type::sentry __cerb(__in, false); if (__cerb) { try { // Figure out how many characters to extract. streamsize __num = __in.width(); if (__num == 0) __num = numeric_limits::max(); __streambuf_type* __sb = __in.rdbuf(); const __ctype_type* __ctype = __in._M_get_fctype_ios(); int_type __c = __sb->sbumpc(); const int_type __eof = _Traits::eof(); bool __testsp = __ctype->is(ctype_base::space, __c); bool __testeof = __c == __eof; while (__extracted < __num - 1 && !__testeof && !__testsp) { *__s++ = __c; ++__extracted; __c = __sb->sbumpc(); __testeof = __c == __eof; __testsp = __ctype->is(ctype_base::space, __c); } if (!__testeof) __sb->sputbackc(__c); else __in.setstate(ios_base::eofbit); #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS //68. Extractors for char* should store null at end *__s = char_type(); #endif __in.width(0); } catch(exception& __fail) { // 27.6.1.2.1 Common requirements. // Turn this on without causing an ios::failure to be thrown. __in.setstate(ios_base::badbit); if ((__in.exceptions() & ios_base::badbit) != 0) __throw_exception_again; } } if (!__extracted) __in.setstate(ios_base::failbit); return __in; } // 27.6.1.4 Standard basic_istream manipulators template basic_istream<_CharT,_Traits>& ws(basic_istream<_CharT,_Traits>& __in) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::__streambuf_type __streambuf_type; typedef typename __istream_type::__ctype_type __ctype_type; typedef typename __istream_type::int_type __int_type; typedef typename __istream_type::char_type __char_type; __streambuf_type* __sb = __in.rdbuf(); const __ctype_type* __ctype = __in._M_get_fctype_ios(); const __int_type __eof = _Traits::eof(); __int_type __c; bool __testeof; bool __testsp; do { __c = __sb->sbumpc(); __testeof = __c == __eof; __testsp = __ctype->is(ctype_base::space, __c); } while (!__testeof && __testsp); if (!__testeof && !__testsp) __sb->sputbackc(__c); else __in.setstate(ios_base::eofbit); return __in; } // 21.3.7.9 basic_string::getline and operators template basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __in, basic_string<_CharT, _Traits, _Alloc>& __str) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::int_type __int_type; typedef typename __istream_type::__streambuf_type __streambuf_type; typedef typename __istream_type::__ctype_type __ctype_type; typedef basic_string<_CharT, _Traits, _Alloc> __string_type; typedef typename __string_type::size_type __size_type; __size_type __extracted = 0; typename __istream_type::sentry __cerb(__in, false); if (__cerb) { __str.erase(); streamsize __w = __in.width(); __size_type __n; __n = __w > 0 ? static_cast<__size_type>(__w) : __str.max_size(); __streambuf_type* __sb = __in.rdbuf(); const __ctype_type* __ctype = __in._M_get_fctype_ios(); __int_type __c = __sb->sbumpc(); const __int_type __eof = _Traits::eof(); bool __testsp = __ctype->is(ctype_base::space, __c); bool __testeof = __c == __eof; while (__extracted < __n && !__testeof && !__testsp) { __str += _Traits::to_char_type(__c); ++__extracted; __c = __sb->sbumpc(); __testeof = __c == __eof; __testsp = __ctype->is(ctype_base::space, __c); } if (!__testeof) __sb->sputbackc(__c); else __in.setstate(ios_base::eofbit); __in.width(0); } #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS // 2000-02-01 Number to be determined if (!__extracted) __in.setstate (ios_base::failbit); #endif return __in; } template basic_istream<_CharT, _Traits>& getline(basic_istream<_CharT, _Traits>& __in, basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::int_type __int_type; typedef typename __istream_type::__streambuf_type __streambuf_type; typedef typename __istream_type::__ctype_type __ctype_type; typedef basic_string<_CharT, _Traits, _Alloc> __string_type; typedef typename __string_type::size_type __size_type; __size_type __extracted = 0; bool __testdelim = false; typename __istream_type::sentry __cerb(__in, true); if (__cerb) { __str.erase(); __size_type __n = __str.max_size(); __int_type __idelim = _Traits::to_int_type(__delim); __streambuf_type* __sb = __in.rdbuf(); __int_type __c = __sb->sbumpc(); const __int_type __eof = _Traits::eof(); __testdelim = __c == __idelim; bool __testeof = __c == __eof; while (__extracted <= __n && !__testeof && !__testdelim) { __str += _Traits::to_char_type(__c); ++__extracted; __c = __sb->sbumpc(); __testeof = __c == __eof; __testdelim = __c == __idelim; } if (__testeof) __in.setstate(ios_base::eofbit); } if (!__extracted && !__testdelim) __in.setstate(ios_base::failbit); return __in; } template inline basic_istream<_CharT,_Traits>& getline(basic_istream<_CharT, _Traits>& __in, basic_string<_CharT,_Traits,_Alloc>& __str) { return getline(__in, __str, __in.widen('\n')); } } // namespace std // Local Variables: // mode:C++ // End: