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ultra_embe |
// istream classes -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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// 2006, 2007, 2008, 2009, 2010, 2011
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// .
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/** @file bits/istream.tcc
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{istream}
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*/
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//
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// ISO C++ 14882: 27.6.1 Input streams
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//
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#ifndef _ISTREAM_TCC
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#define _ISTREAM_TCC 1
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#pragma GCC system_header
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#include
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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template
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basic_istream<_CharT, _Traits>::sentry::
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sentry(basic_istream<_CharT, _Traits>& __in, bool __noskip) : _M_ok(false)
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{
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ios_base::iostate __err = ios_base::goodbit;
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if (__in.good())
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{
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if (__in.tie())
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__in.tie()->flush();
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if (!__noskip && bool(__in.flags() & ios_base::skipws))
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{
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const __int_type __eof = traits_type::eof();
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__streambuf_type* __sb = __in.rdbuf();
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__int_type __c = __sb->sgetc();
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const __ctype_type& __ct = __check_facet(__in._M_ctype);
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while (!traits_type::eq_int_type(__c, __eof)
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&& __ct.is(ctype_base::space,
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traits_type::to_char_type(__c)))
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__c = __sb->snextc();
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 195. Should basic_istream::sentry's constructor ever
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// set eofbit?
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if (traits_type::eq_int_type(__c, __eof))
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__err |= ios_base::eofbit;
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}
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}
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if (__in.good() && __err == ios_base::goodbit)
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_M_ok = true;
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else
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{
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__err |= ios_base::failbit;
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__in.setstate(__err);
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}
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}
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template
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template
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basic_istream<_CharT, _Traits>&
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basic_istream<_CharT, _Traits>::
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_M_extract(_ValueT& __v)
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{
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sentry __cerb(*this, false);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::goodbit;
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__try
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{
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const __num_get_type& __ng = __check_facet(this->_M_num_get);
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__ng.get(*this, 0, *this, __err, __v);
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}
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__catch(__cxxabiv1::__forced_unwind&)
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{
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this->_M_setstate(ios_base::badbit);
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__throw_exception_again;
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}
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__catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template
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basic_istream<_CharT, _Traits>&
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basic_istream<_CharT, _Traits>::
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operator>>(short& __n)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 118. basic_istream uses nonexistent num_get member functions.
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sentry __cerb(*this, false);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::goodbit;
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__try
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{
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long __l;
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const __num_get_type& __ng = __check_facet(this->_M_num_get);
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__ng.get(*this, 0, *this, __err, __l);
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 696. istream::operator>>(int&) broken.
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if (__l < __gnu_cxx::__numeric_traits::__min)
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{
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__err |= ios_base::failbit;
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__n = __gnu_cxx::__numeric_traits::__min;
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}
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else if (__l > __gnu_cxx::__numeric_traits::__max)
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{
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__err |= ios_base::failbit;
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__n = __gnu_cxx::__numeric_traits::__max;
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}
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else
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__n = short(__l);
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}
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__catch(__cxxabiv1::__forced_unwind&)
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{
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this->_M_setstate(ios_base::badbit);
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__throw_exception_again;
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}
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__catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template
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basic_istream<_CharT, _Traits>&
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basic_istream<_CharT, _Traits>::
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operator>>(int& __n)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 118. basic_istream uses nonexistent num_get member functions.
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sentry __cerb(*this, false);
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if (__cerb)
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{
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ios_base::iostate __err = ios_base::goodbit;
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__try
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{
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long __l;
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const __num_get_type& __ng = __check_facet(this->_M_num_get);
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__ng.get(*this, 0, *this, __err, __l);
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 696. istream::operator>>(int&) broken.
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if (__l < __gnu_cxx::__numeric_traits::__min)
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{
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__err |= ios_base::failbit;
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__n = __gnu_cxx::__numeric_traits::__min;
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}
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else if (__l > __gnu_cxx::__numeric_traits::__max)
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{
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__err |= ios_base::failbit;
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__n = __gnu_cxx::__numeric_traits::__max;
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}
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else
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__n = int(__l);
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}
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__catch(__cxxabiv1::__forced_unwind&)
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{
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this->_M_setstate(ios_base::badbit);
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__throw_exception_again;
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}
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__catch(...)
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{ this->_M_setstate(ios_base::badbit); }
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if (__err)
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this->setstate(__err);
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}
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return *this;
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}
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template
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basic_istream<_CharT, _Traits>&
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basic_istream<_CharT, _Traits>::
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operator>>(__streambuf_type* __sbout)
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{
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ios_base::iostate __err = ios_base::goodbit;
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sentry __cerb(*this, false);
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if (__cerb && __sbout)
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{
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__try
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{
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bool __ineof;
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if (!__copy_streambufs_eof(this->rdbuf(), __sbout, __ineof))
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__err |= ios_base::failbit;
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if (__ineof)
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__err |= ios_base::eofbit;
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}
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__catch(__cxxabiv1::__forced_unwind&)
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{
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this->_M_setstate(ios_base::failbit);
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__throw_exception_again;
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}
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__catch(...)
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{ this->_M_setstate(ios_base::failbit); }
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}
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else if (!__sbout)
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__err |= ios_base::failbit;
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if (__err)
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this->setstate(__err);
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return *this;
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}
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template
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typename basic_istream<_CharT, _Traits>::int_type
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basic_istream<_CharT, _Traits>::
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get(void)
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{
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const int_type __eof = traits_type::eof();
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int_type __c = __eof;
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_M_gcount = 0;
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ios_base::iostate __err = ios_base::goodbit;
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| 244 |
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sentry __cerb(*this, true);
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| 245 |
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if (__cerb)
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| 246 |
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{
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| 247 |
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__try
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{
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| 249 |
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__c = this->rdbuf()->sbumpc();
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| 250 |
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// 27.6.1.1 paragraph 3
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| 251 |
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if (!traits_type::eq_int_type(__c, __eof))
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_M_gcount = 1;
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| 253 |
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else
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| 254 |
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__err |= ios_base::eofbit;
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| 255 |
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}
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| 256 |
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__catch(__cxxabiv1::__forced_unwind&)
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| 257 |
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{
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| 258 |
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this->_M_setstate(ios_base::badbit);
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| 259 |
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__throw_exception_again;
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| 260 |
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}
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| 261 |
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__catch(...)
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| 262 |
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{ this->_M_setstate(ios_base::badbit); }
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| 263 |
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}
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| 264 |
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if (!_M_gcount)
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| 265 |
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__err |= ios_base::failbit;
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| 266 |
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if (__err)
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| 267 |
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this->setstate(__err);
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| 268 |
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return __c;
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| 269 |
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}
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| 270 |
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| 271 |
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template
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| 272 |
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basic_istream<_CharT, _Traits>&
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| 273 |
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basic_istream<_CharT, _Traits>::
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| 274 |
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get(char_type& __c)
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| 275 |
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{
|
| 276 |
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_M_gcount = 0;
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| 277 |
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ios_base::iostate __err = ios_base::goodbit;
|
| 278 |
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sentry __cerb(*this, true);
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| 279 |
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if (__cerb)
|
| 280 |
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{
|
| 281 |
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__try
|
| 282 |
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{
|
| 283 |
|
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const int_type __cb = this->rdbuf()->sbumpc();
|
| 284 |
|
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// 27.6.1.1 paragraph 3
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| 285 |
|
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if (!traits_type::eq_int_type(__cb, traits_type::eof()))
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| 286 |
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{
|
| 287 |
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_M_gcount = 1;
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| 288 |
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__c = traits_type::to_char_type(__cb);
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| 289 |
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}
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| 290 |
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else
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| 291 |
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__err |= ios_base::eofbit;
|
| 292 |
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}
|
| 293 |
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__catch(__cxxabiv1::__forced_unwind&)
|
| 294 |
|
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{
|
| 295 |
|
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this->_M_setstate(ios_base::badbit);
|
| 296 |
|
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__throw_exception_again;
|
| 297 |
|
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}
|
| 298 |
|
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__catch(...)
|
| 299 |
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{ this->_M_setstate(ios_base::badbit); }
|
| 300 |
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}
|
| 301 |
|
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if (!_M_gcount)
|
| 302 |
|
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__err |= ios_base::failbit;
|
| 303 |
|
|
if (__err)
|
| 304 |
|
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this->setstate(__err);
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| 305 |
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return *this;
|
| 306 |
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}
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| 307 |
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| 308 |
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|
template
|
| 309 |
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basic_istream<_CharT, _Traits>&
|
| 310 |
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basic_istream<_CharT, _Traits>::
|
| 311 |
|
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get(char_type* __s, streamsize __n, char_type __delim)
|
| 312 |
|
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{
|
| 313 |
|
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_M_gcount = 0;
|
| 314 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 315 |
|
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sentry __cerb(*this, true);
|
| 316 |
|
|
if (__cerb)
|
| 317 |
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{
|
| 318 |
|
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__try
|
| 319 |
|
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{
|
| 320 |
|
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const int_type __idelim = traits_type::to_int_type(__delim);
|
| 321 |
|
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const int_type __eof = traits_type::eof();
|
| 322 |
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__streambuf_type* __sb = this->rdbuf();
|
| 323 |
|
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int_type __c = __sb->sgetc();
|
| 324 |
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|
|
| 325 |
|
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while (_M_gcount + 1 < __n
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| 326 |
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&& !traits_type::eq_int_type(__c, __eof)
|
| 327 |
|
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&& !traits_type::eq_int_type(__c, __idelim))
|
| 328 |
|
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{
|
| 329 |
|
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*__s++ = traits_type::to_char_type(__c);
|
| 330 |
|
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++_M_gcount;
|
| 331 |
|
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__c = __sb->snextc();
|
| 332 |
|
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}
|
| 333 |
|
|
if (traits_type::eq_int_type(__c, __eof))
|
| 334 |
|
|
__err |= ios_base::eofbit;
|
| 335 |
|
|
}
|
| 336 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 337 |
|
|
{
|
| 338 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 339 |
|
|
__throw_exception_again;
|
| 340 |
|
|
}
|
| 341 |
|
|
__catch(...)
|
| 342 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 343 |
|
|
}
|
| 344 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 345 |
|
|
// 243. get and getline when sentry reports failure.
|
| 346 |
|
|
if (__n > 0)
|
| 347 |
|
|
*__s = char_type();
|
| 348 |
|
|
if (!_M_gcount)
|
| 349 |
|
|
__err |= ios_base::failbit;
|
| 350 |
|
|
if (__err)
|
| 351 |
|
|
this->setstate(__err);
|
| 352 |
|
|
return *this;
|
| 353 |
|
|
}
|
| 354 |
|
|
|
| 355 |
|
|
template
|
| 356 |
|
|
basic_istream<_CharT, _Traits>&
|
| 357 |
|
|
basic_istream<_CharT, _Traits>::
|
| 358 |
|
|
get(__streambuf_type& __sb, char_type __delim)
|
| 359 |
|
|
{
|
| 360 |
|
|
_M_gcount = 0;
|
| 361 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 362 |
|
|
sentry __cerb(*this, true);
|
| 363 |
|
|
if (__cerb)
|
| 364 |
|
|
{
|
| 365 |
|
|
__try
|
| 366 |
|
|
{
|
| 367 |
|
|
const int_type __idelim = traits_type::to_int_type(__delim);
|
| 368 |
|
|
const int_type __eof = traits_type::eof();
|
| 369 |
|
|
__streambuf_type* __this_sb = this->rdbuf();
|
| 370 |
|
|
int_type __c = __this_sb->sgetc();
|
| 371 |
|
|
char_type __c2 = traits_type::to_char_type(__c);
|
| 372 |
|
|
|
| 373 |
|
|
while (!traits_type::eq_int_type(__c, __eof)
|
| 374 |
|
|
&& !traits_type::eq_int_type(__c, __idelim)
|
| 375 |
|
|
&& !traits_type::eq_int_type(__sb.sputc(__c2), __eof))
|
| 376 |
|
|
{
|
| 377 |
|
|
++_M_gcount;
|
| 378 |
|
|
__c = __this_sb->snextc();
|
| 379 |
|
|
__c2 = traits_type::to_char_type(__c);
|
| 380 |
|
|
}
|
| 381 |
|
|
if (traits_type::eq_int_type(__c, __eof))
|
| 382 |
|
|
__err |= ios_base::eofbit;
|
| 383 |
|
|
}
|
| 384 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 385 |
|
|
{
|
| 386 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 387 |
|
|
__throw_exception_again;
|
| 388 |
|
|
}
|
| 389 |
|
|
__catch(...)
|
| 390 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 391 |
|
|
}
|
| 392 |
|
|
if (!_M_gcount)
|
| 393 |
|
|
__err |= ios_base::failbit;
|
| 394 |
|
|
if (__err)
|
| 395 |
|
|
this->setstate(__err);
|
| 396 |
|
|
return *this;
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
template
|
| 400 |
|
|
basic_istream<_CharT, _Traits>&
|
| 401 |
|
|
basic_istream<_CharT, _Traits>::
|
| 402 |
|
|
getline(char_type* __s, streamsize __n, char_type __delim)
|
| 403 |
|
|
{
|
| 404 |
|
|
_M_gcount = 0;
|
| 405 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 406 |
|
|
sentry __cerb(*this, true);
|
| 407 |
|
|
if (__cerb)
|
| 408 |
|
|
{
|
| 409 |
|
|
__try
|
| 410 |
|
|
{
|
| 411 |
|
|
const int_type __idelim = traits_type::to_int_type(__delim);
|
| 412 |
|
|
const int_type __eof = traits_type::eof();
|
| 413 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 414 |
|
|
int_type __c = __sb->sgetc();
|
| 415 |
|
|
|
| 416 |
|
|
while (_M_gcount + 1 < __n
|
| 417 |
|
|
&& !traits_type::eq_int_type(__c, __eof)
|
| 418 |
|
|
&& !traits_type::eq_int_type(__c, __idelim))
|
| 419 |
|
|
{
|
| 420 |
|
|
*__s++ = traits_type::to_char_type(__c);
|
| 421 |
|
|
__c = __sb->snextc();
|
| 422 |
|
|
++_M_gcount;
|
| 423 |
|
|
}
|
| 424 |
|
|
if (traits_type::eq_int_type(__c, __eof))
|
| 425 |
|
|
__err |= ios_base::eofbit;
|
| 426 |
|
|
else
|
| 427 |
|
|
{
|
| 428 |
|
|
if (traits_type::eq_int_type(__c, __idelim))
|
| 429 |
|
|
{
|
| 430 |
|
|
__sb->sbumpc();
|
| 431 |
|
|
++_M_gcount;
|
| 432 |
|
|
}
|
| 433 |
|
|
else
|
| 434 |
|
|
__err |= ios_base::failbit;
|
| 435 |
|
|
}
|
| 436 |
|
|
}
|
| 437 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 438 |
|
|
{
|
| 439 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 440 |
|
|
__throw_exception_again;
|
| 441 |
|
|
}
|
| 442 |
|
|
__catch(...)
|
| 443 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 444 |
|
|
}
|
| 445 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 446 |
|
|
// 243. get and getline when sentry reports failure.
|
| 447 |
|
|
if (__n > 0)
|
| 448 |
|
|
*__s = char_type();
|
| 449 |
|
|
if (!_M_gcount)
|
| 450 |
|
|
__err |= ios_base::failbit;
|
| 451 |
|
|
if (__err)
|
| 452 |
|
|
this->setstate(__err);
|
| 453 |
|
|
return *this;
|
| 454 |
|
|
}
|
| 455 |
|
|
|
| 456 |
|
|
// We provide three overloads, since the first two are much simpler
|
| 457 |
|
|
// than the general case. Also, the latter two can thus adopt the
|
| 458 |
|
|
// same "batchy" strategy used by getline above.
|
| 459 |
|
|
template
|
| 460 |
|
|
basic_istream<_CharT, _Traits>&
|
| 461 |
|
|
basic_istream<_CharT, _Traits>::
|
| 462 |
|
|
ignore(void)
|
| 463 |
|
|
{
|
| 464 |
|
|
_M_gcount = 0;
|
| 465 |
|
|
sentry __cerb(*this, true);
|
| 466 |
|
|
if (__cerb)
|
| 467 |
|
|
{
|
| 468 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 469 |
|
|
__try
|
| 470 |
|
|
{
|
| 471 |
|
|
const int_type __eof = traits_type::eof();
|
| 472 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 473 |
|
|
|
| 474 |
|
|
if (traits_type::eq_int_type(__sb->sbumpc(), __eof))
|
| 475 |
|
|
__err |= ios_base::eofbit;
|
| 476 |
|
|
else
|
| 477 |
|
|
_M_gcount = 1;
|
| 478 |
|
|
}
|
| 479 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 480 |
|
|
{
|
| 481 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 482 |
|
|
__throw_exception_again;
|
| 483 |
|
|
}
|
| 484 |
|
|
__catch(...)
|
| 485 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 486 |
|
|
if (__err)
|
| 487 |
|
|
this->setstate(__err);
|
| 488 |
|
|
}
|
| 489 |
|
|
return *this;
|
| 490 |
|
|
}
|
| 491 |
|
|
|
| 492 |
|
|
template
|
| 493 |
|
|
basic_istream<_CharT, _Traits>&
|
| 494 |
|
|
basic_istream<_CharT, _Traits>::
|
| 495 |
|
|
ignore(streamsize __n)
|
| 496 |
|
|
{
|
| 497 |
|
|
_M_gcount = 0;
|
| 498 |
|
|
sentry __cerb(*this, true);
|
| 499 |
|
|
if (__cerb && __n > 0)
|
| 500 |
|
|
{
|
| 501 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 502 |
|
|
__try
|
| 503 |
|
|
{
|
| 504 |
|
|
const int_type __eof = traits_type::eof();
|
| 505 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 506 |
|
|
int_type __c = __sb->sgetc();
|
| 507 |
|
|
|
| 508 |
|
|
// N.B. On LFS-enabled platforms streamsize is still 32 bits
|
| 509 |
|
|
// wide: if we want to implement the standard mandated behavior
|
| 510 |
|
|
// for n == max() (see 27.6.1.3/24) we are at risk of signed
|
| 511 |
|
|
// integer overflow: thus these contortions. Also note that,
|
| 512 |
|
|
// by definition, when more than 2G chars are actually ignored,
|
| 513 |
|
|
// _M_gcount (the return value of gcount, that is) cannot be
|
| 514 |
|
|
// really correct, being unavoidably too small.
|
| 515 |
|
|
bool __large_ignore = false;
|
| 516 |
|
|
while (true)
|
| 517 |
|
|
{
|
| 518 |
|
|
while (_M_gcount < __n
|
| 519 |
|
|
&& !traits_type::eq_int_type(__c, __eof))
|
| 520 |
|
|
{
|
| 521 |
|
|
++_M_gcount;
|
| 522 |
|
|
__c = __sb->snextc();
|
| 523 |
|
|
}
|
| 524 |
|
|
if (__n == __gnu_cxx::__numeric_traits::__max
|
| 525 |
|
|
&& !traits_type::eq_int_type(__c, __eof))
|
| 526 |
|
|
{
|
| 527 |
|
|
_M_gcount =
|
| 528 |
|
|
__gnu_cxx::__numeric_traits::__min;
|
| 529 |
|
|
__large_ignore = true;
|
| 530 |
|
|
}
|
| 531 |
|
|
else
|
| 532 |
|
|
break;
|
| 533 |
|
|
}
|
| 534 |
|
|
|
| 535 |
|
|
if (__large_ignore)
|
| 536 |
|
|
_M_gcount = __gnu_cxx::__numeric_traits::__max;
|
| 537 |
|
|
|
| 538 |
|
|
if (traits_type::eq_int_type(__c, __eof))
|
| 539 |
|
|
__err |= ios_base::eofbit;
|
| 540 |
|
|
}
|
| 541 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 542 |
|
|
{
|
| 543 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 544 |
|
|
__throw_exception_again;
|
| 545 |
|
|
}
|
| 546 |
|
|
__catch(...)
|
| 547 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 548 |
|
|
if (__err)
|
| 549 |
|
|
this->setstate(__err);
|
| 550 |
|
|
}
|
| 551 |
|
|
return *this;
|
| 552 |
|
|
}
|
| 553 |
|
|
|
| 554 |
|
|
template
|
| 555 |
|
|
basic_istream<_CharT, _Traits>&
|
| 556 |
|
|
basic_istream<_CharT, _Traits>::
|
| 557 |
|
|
ignore(streamsize __n, int_type __delim)
|
| 558 |
|
|
{
|
| 559 |
|
|
_M_gcount = 0;
|
| 560 |
|
|
sentry __cerb(*this, true);
|
| 561 |
|
|
if (__cerb && __n > 0)
|
| 562 |
|
|
{
|
| 563 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 564 |
|
|
__try
|
| 565 |
|
|
{
|
| 566 |
|
|
const int_type __eof = traits_type::eof();
|
| 567 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 568 |
|
|
int_type __c = __sb->sgetc();
|
| 569 |
|
|
|
| 570 |
|
|
// See comment above.
|
| 571 |
|
|
bool __large_ignore = false;
|
| 572 |
|
|
while (true)
|
| 573 |
|
|
{
|
| 574 |
|
|
while (_M_gcount < __n
|
| 575 |
|
|
&& !traits_type::eq_int_type(__c, __eof)
|
| 576 |
|
|
&& !traits_type::eq_int_type(__c, __delim))
|
| 577 |
|
|
{
|
| 578 |
|
|
++_M_gcount;
|
| 579 |
|
|
__c = __sb->snextc();
|
| 580 |
|
|
}
|
| 581 |
|
|
if (__n == __gnu_cxx::__numeric_traits::__max
|
| 582 |
|
|
&& !traits_type::eq_int_type(__c, __eof)
|
| 583 |
|
|
&& !traits_type::eq_int_type(__c, __delim))
|
| 584 |
|
|
{
|
| 585 |
|
|
_M_gcount =
|
| 586 |
|
|
__gnu_cxx::__numeric_traits::__min;
|
| 587 |
|
|
__large_ignore = true;
|
| 588 |
|
|
}
|
| 589 |
|
|
else
|
| 590 |
|
|
break;
|
| 591 |
|
|
}
|
| 592 |
|
|
|
| 593 |
|
|
if (__large_ignore)
|
| 594 |
|
|
_M_gcount = __gnu_cxx::__numeric_traits::__max;
|
| 595 |
|
|
|
| 596 |
|
|
if (traits_type::eq_int_type(__c, __eof))
|
| 597 |
|
|
__err |= ios_base::eofbit;
|
| 598 |
|
|
else if (traits_type::eq_int_type(__c, __delim))
|
| 599 |
|
|
{
|
| 600 |
|
|
if (_M_gcount
|
| 601 |
|
|
< __gnu_cxx::__numeric_traits::__max)
|
| 602 |
|
|
++_M_gcount;
|
| 603 |
|
|
__sb->sbumpc();
|
| 604 |
|
|
}
|
| 605 |
|
|
}
|
| 606 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 607 |
|
|
{
|
| 608 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 609 |
|
|
__throw_exception_again;
|
| 610 |
|
|
}
|
| 611 |
|
|
__catch(...)
|
| 612 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 613 |
|
|
if (__err)
|
| 614 |
|
|
this->setstate(__err);
|
| 615 |
|
|
}
|
| 616 |
|
|
return *this;
|
| 617 |
|
|
}
|
| 618 |
|
|
|
| 619 |
|
|
template
|
| 620 |
|
|
typename basic_istream<_CharT, _Traits>::int_type
|
| 621 |
|
|
basic_istream<_CharT, _Traits>::
|
| 622 |
|
|
peek(void)
|
| 623 |
|
|
{
|
| 624 |
|
|
int_type __c = traits_type::eof();
|
| 625 |
|
|
_M_gcount = 0;
|
| 626 |
|
|
sentry __cerb(*this, true);
|
| 627 |
|
|
if (__cerb)
|
| 628 |
|
|
{
|
| 629 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 630 |
|
|
__try
|
| 631 |
|
|
{
|
| 632 |
|
|
__c = this->rdbuf()->sgetc();
|
| 633 |
|
|
if (traits_type::eq_int_type(__c, traits_type::eof()))
|
| 634 |
|
|
__err |= ios_base::eofbit;
|
| 635 |
|
|
}
|
| 636 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 637 |
|
|
{
|
| 638 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 639 |
|
|
__throw_exception_again;
|
| 640 |
|
|
}
|
| 641 |
|
|
__catch(...)
|
| 642 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 643 |
|
|
if (__err)
|
| 644 |
|
|
this->setstate(__err);
|
| 645 |
|
|
}
|
| 646 |
|
|
return __c;
|
| 647 |
|
|
}
|
| 648 |
|
|
|
| 649 |
|
|
template
|
| 650 |
|
|
basic_istream<_CharT, _Traits>&
|
| 651 |
|
|
basic_istream<_CharT, _Traits>::
|
| 652 |
|
|
read(char_type* __s, streamsize __n)
|
| 653 |
|
|
{
|
| 654 |
|
|
_M_gcount = 0;
|
| 655 |
|
|
sentry __cerb(*this, true);
|
| 656 |
|
|
if (__cerb)
|
| 657 |
|
|
{
|
| 658 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 659 |
|
|
__try
|
| 660 |
|
|
{
|
| 661 |
|
|
_M_gcount = this->rdbuf()->sgetn(__s, __n);
|
| 662 |
|
|
if (_M_gcount != __n)
|
| 663 |
|
|
__err |= (ios_base::eofbit | ios_base::failbit);
|
| 664 |
|
|
}
|
| 665 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 666 |
|
|
{
|
| 667 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 668 |
|
|
__throw_exception_again;
|
| 669 |
|
|
}
|
| 670 |
|
|
__catch(...)
|
| 671 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 672 |
|
|
if (__err)
|
| 673 |
|
|
this->setstate(__err);
|
| 674 |
|
|
}
|
| 675 |
|
|
return *this;
|
| 676 |
|
|
}
|
| 677 |
|
|
|
| 678 |
|
|
template
|
| 679 |
|
|
streamsize
|
| 680 |
|
|
basic_istream<_CharT, _Traits>::
|
| 681 |
|
|
readsome(char_type* __s, streamsize __n)
|
| 682 |
|
|
{
|
| 683 |
|
|
_M_gcount = 0;
|
| 684 |
|
|
sentry __cerb(*this, true);
|
| 685 |
|
|
if (__cerb)
|
| 686 |
|
|
{
|
| 687 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 688 |
|
|
__try
|
| 689 |
|
|
{
|
| 690 |
|
|
// Cannot compare int_type with streamsize generically.
|
| 691 |
|
|
const streamsize __num = this->rdbuf()->in_avail();
|
| 692 |
|
|
if (__num > 0)
|
| 693 |
|
|
_M_gcount = this->rdbuf()->sgetn(__s, std::min(__num, __n));
|
| 694 |
|
|
else if (__num == -1)
|
| 695 |
|
|
__err |= ios_base::eofbit;
|
| 696 |
|
|
}
|
| 697 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 698 |
|
|
{
|
| 699 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 700 |
|
|
__throw_exception_again;
|
| 701 |
|
|
}
|
| 702 |
|
|
__catch(...)
|
| 703 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 704 |
|
|
if (__err)
|
| 705 |
|
|
this->setstate(__err);
|
| 706 |
|
|
}
|
| 707 |
|
|
return _M_gcount;
|
| 708 |
|
|
}
|
| 709 |
|
|
|
| 710 |
|
|
template
|
| 711 |
|
|
basic_istream<_CharT, _Traits>&
|
| 712 |
|
|
basic_istream<_CharT, _Traits>::
|
| 713 |
|
|
putback(char_type __c)
|
| 714 |
|
|
{
|
| 715 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 716 |
|
|
// 60. What is a formatted input function?
|
| 717 |
|
|
_M_gcount = 0;
|
| 718 |
|
|
// Clear eofbit per N3168.
|
| 719 |
|
|
this->clear(this->rdstate() & ~ios_base::eofbit);
|
| 720 |
|
|
sentry __cerb(*this, true);
|
| 721 |
|
|
if (__cerb)
|
| 722 |
|
|
{
|
| 723 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 724 |
|
|
__try
|
| 725 |
|
|
{
|
| 726 |
|
|
const int_type __eof = traits_type::eof();
|
| 727 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 728 |
|
|
if (!__sb
|
| 729 |
|
|
|| traits_type::eq_int_type(__sb->sputbackc(__c), __eof))
|
| 730 |
|
|
__err |= ios_base::badbit;
|
| 731 |
|
|
}
|
| 732 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 733 |
|
|
{
|
| 734 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 735 |
|
|
__throw_exception_again;
|
| 736 |
|
|
}
|
| 737 |
|
|
__catch(...)
|
| 738 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 739 |
|
|
if (__err)
|
| 740 |
|
|
this->setstate(__err);
|
| 741 |
|
|
}
|
| 742 |
|
|
return *this;
|
| 743 |
|
|
}
|
| 744 |
|
|
|
| 745 |
|
|
template
|
| 746 |
|
|
basic_istream<_CharT, _Traits>&
|
| 747 |
|
|
basic_istream<_CharT, _Traits>::
|
| 748 |
|
|
unget(void)
|
| 749 |
|
|
{
|
| 750 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 751 |
|
|
// 60. What is a formatted input function?
|
| 752 |
|
|
_M_gcount = 0;
|
| 753 |
|
|
// Clear eofbit per N3168.
|
| 754 |
|
|
this->clear(this->rdstate() & ~ios_base::eofbit);
|
| 755 |
|
|
sentry __cerb(*this, true);
|
| 756 |
|
|
if (__cerb)
|
| 757 |
|
|
{
|
| 758 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 759 |
|
|
__try
|
| 760 |
|
|
{
|
| 761 |
|
|
const int_type __eof = traits_type::eof();
|
| 762 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 763 |
|
|
if (!__sb
|
| 764 |
|
|
|| traits_type::eq_int_type(__sb->sungetc(), __eof))
|
| 765 |
|
|
__err |= ios_base::badbit;
|
| 766 |
|
|
}
|
| 767 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 768 |
|
|
{
|
| 769 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 770 |
|
|
__throw_exception_again;
|
| 771 |
|
|
}
|
| 772 |
|
|
__catch(...)
|
| 773 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 774 |
|
|
if (__err)
|
| 775 |
|
|
this->setstate(__err);
|
| 776 |
|
|
}
|
| 777 |
|
|
return *this;
|
| 778 |
|
|
}
|
| 779 |
|
|
|
| 780 |
|
|
template
|
| 781 |
|
|
int
|
| 782 |
|
|
basic_istream<_CharT, _Traits>::
|
| 783 |
|
|
sync(void)
|
| 784 |
|
|
{
|
| 785 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 786 |
|
|
// DR60. Do not change _M_gcount.
|
| 787 |
|
|
int __ret = -1;
|
| 788 |
|
|
sentry __cerb(*this, true);
|
| 789 |
|
|
if (__cerb)
|
| 790 |
|
|
{
|
| 791 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 792 |
|
|
__try
|
| 793 |
|
|
{
|
| 794 |
|
|
__streambuf_type* __sb = this->rdbuf();
|
| 795 |
|
|
if (__sb)
|
| 796 |
|
|
{
|
| 797 |
|
|
if (__sb->pubsync() == -1)
|
| 798 |
|
|
__err |= ios_base::badbit;
|
| 799 |
|
|
else
|
| 800 |
|
|
__ret = 0;
|
| 801 |
|
|
}
|
| 802 |
|
|
}
|
| 803 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 804 |
|
|
{
|
| 805 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 806 |
|
|
__throw_exception_again;
|
| 807 |
|
|
}
|
| 808 |
|
|
__catch(...)
|
| 809 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 810 |
|
|
if (__err)
|
| 811 |
|
|
this->setstate(__err);
|
| 812 |
|
|
}
|
| 813 |
|
|
return __ret;
|
| 814 |
|
|
}
|
| 815 |
|
|
|
| 816 |
|
|
template
|
| 817 |
|
|
typename basic_istream<_CharT, _Traits>::pos_type
|
| 818 |
|
|
basic_istream<_CharT, _Traits>::
|
| 819 |
|
|
tellg(void)
|
| 820 |
|
|
{
|
| 821 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 822 |
|
|
// DR60. Do not change _M_gcount.
|
| 823 |
|
|
pos_type __ret = pos_type(-1);
|
| 824 |
|
|
sentry __cerb(*this, true);
|
| 825 |
|
|
if (__cerb)
|
| 826 |
|
|
{
|
| 827 |
|
|
__try
|
| 828 |
|
|
{
|
| 829 |
|
|
if (!this->fail())
|
| 830 |
|
|
__ret = this->rdbuf()->pubseekoff(0, ios_base::cur,
|
| 831 |
|
|
ios_base::in);
|
| 832 |
|
|
}
|
| 833 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 834 |
|
|
{
|
| 835 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 836 |
|
|
__throw_exception_again;
|
| 837 |
|
|
}
|
| 838 |
|
|
__catch(...)
|
| 839 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 840 |
|
|
}
|
| 841 |
|
|
return __ret;
|
| 842 |
|
|
}
|
| 843 |
|
|
|
| 844 |
|
|
template
|
| 845 |
|
|
basic_istream<_CharT, _Traits>&
|
| 846 |
|
|
basic_istream<_CharT, _Traits>::
|
| 847 |
|
|
seekg(pos_type __pos)
|
| 848 |
|
|
{
|
| 849 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 850 |
|
|
// DR60. Do not change _M_gcount.
|
| 851 |
|
|
// Clear eofbit per N3168.
|
| 852 |
|
|
this->clear(this->rdstate() & ~ios_base::eofbit);
|
| 853 |
|
|
sentry __cerb(*this, true);
|
| 854 |
|
|
if (__cerb)
|
| 855 |
|
|
{
|
| 856 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 857 |
|
|
__try
|
| 858 |
|
|
{
|
| 859 |
|
|
if (!this->fail())
|
| 860 |
|
|
{
|
| 861 |
|
|
// 136. seekp, seekg setting wrong streams?
|
| 862 |
|
|
const pos_type __p = this->rdbuf()->pubseekpos(__pos,
|
| 863 |
|
|
ios_base::in);
|
| 864 |
|
|
|
| 865 |
|
|
// 129. Need error indication from seekp() and seekg()
|
| 866 |
|
|
if (__p == pos_type(off_type(-1)))
|
| 867 |
|
|
__err |= ios_base::failbit;
|
| 868 |
|
|
}
|
| 869 |
|
|
}
|
| 870 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 871 |
|
|
{
|
| 872 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 873 |
|
|
__throw_exception_again;
|
| 874 |
|
|
}
|
| 875 |
|
|
__catch(...)
|
| 876 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 877 |
|
|
if (__err)
|
| 878 |
|
|
this->setstate(__err);
|
| 879 |
|
|
}
|
| 880 |
|
|
return *this;
|
| 881 |
|
|
}
|
| 882 |
|
|
|
| 883 |
|
|
template
|
| 884 |
|
|
basic_istream<_CharT, _Traits>&
|
| 885 |
|
|
basic_istream<_CharT, _Traits>::
|
| 886 |
|
|
seekg(off_type __off, ios_base::seekdir __dir)
|
| 887 |
|
|
{
|
| 888 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 889 |
|
|
// DR60. Do not change _M_gcount.
|
| 890 |
|
|
// Clear eofbit per N3168.
|
| 891 |
|
|
this->clear(this->rdstate() & ~ios_base::eofbit);
|
| 892 |
|
|
sentry __cerb(*this, true);
|
| 893 |
|
|
if (__cerb)
|
| 894 |
|
|
{
|
| 895 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 896 |
|
|
__try
|
| 897 |
|
|
{
|
| 898 |
|
|
if (!this->fail())
|
| 899 |
|
|
{
|
| 900 |
|
|
// 136. seekp, seekg setting wrong streams?
|
| 901 |
|
|
const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
|
| 902 |
|
|
ios_base::in);
|
| 903 |
|
|
|
| 904 |
|
|
// 129. Need error indication from seekp() and seekg()
|
| 905 |
|
|
if (__p == pos_type(off_type(-1)))
|
| 906 |
|
|
__err |= ios_base::failbit;
|
| 907 |
|
|
}
|
| 908 |
|
|
}
|
| 909 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 910 |
|
|
{
|
| 911 |
|
|
this->_M_setstate(ios_base::badbit);
|
| 912 |
|
|
__throw_exception_again;
|
| 913 |
|
|
}
|
| 914 |
|
|
__catch(...)
|
| 915 |
|
|
{ this->_M_setstate(ios_base::badbit); }
|
| 916 |
|
|
if (__err)
|
| 917 |
|
|
this->setstate(__err);
|
| 918 |
|
|
}
|
| 919 |
|
|
return *this;
|
| 920 |
|
|
}
|
| 921 |
|
|
|
| 922 |
|
|
// 27.6.1.2.3 Character extraction templates
|
| 923 |
|
|
template
|
| 924 |
|
|
basic_istream<_CharT, _Traits>&
|
| 925 |
|
|
operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
|
| 926 |
|
|
{
|
| 927 |
|
|
typedef basic_istream<_CharT, _Traits> __istream_type;
|
| 928 |
|
|
typedef typename __istream_type::int_type __int_type;
|
| 929 |
|
|
|
| 930 |
|
|
typename __istream_type::sentry __cerb(__in, false);
|
| 931 |
|
|
if (__cerb)
|
| 932 |
|
|
{
|
| 933 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 934 |
|
|
__try
|
| 935 |
|
|
{
|
| 936 |
|
|
const __int_type __cb = __in.rdbuf()->sbumpc();
|
| 937 |
|
|
if (!_Traits::eq_int_type(__cb, _Traits::eof()))
|
| 938 |
|
|
__c = _Traits::to_char_type(__cb);
|
| 939 |
|
|
else
|
| 940 |
|
|
__err |= (ios_base::eofbit | ios_base::failbit);
|
| 941 |
|
|
}
|
| 942 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 943 |
|
|
{
|
| 944 |
|
|
__in._M_setstate(ios_base::badbit);
|
| 945 |
|
|
__throw_exception_again;
|
| 946 |
|
|
}
|
| 947 |
|
|
__catch(...)
|
| 948 |
|
|
{ __in._M_setstate(ios_base::badbit); }
|
| 949 |
|
|
if (__err)
|
| 950 |
|
|
__in.setstate(__err);
|
| 951 |
|
|
}
|
| 952 |
|
|
return __in;
|
| 953 |
|
|
}
|
| 954 |
|
|
|
| 955 |
|
|
template
|
| 956 |
|
|
basic_istream<_CharT, _Traits>&
|
| 957 |
|
|
operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
|
| 958 |
|
|
{
|
| 959 |
|
|
typedef basic_istream<_CharT, _Traits> __istream_type;
|
| 960 |
|
|
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
|
| 961 |
|
|
typedef typename _Traits::int_type int_type;
|
| 962 |
|
|
typedef _CharT char_type;
|
| 963 |
|
|
typedef ctype<_CharT> __ctype_type;
|
| 964 |
|
|
|
| 965 |
|
|
streamsize __extracted = 0;
|
| 966 |
|
|
ios_base::iostate __err = ios_base::goodbit;
|
| 967 |
|
|
typename __istream_type::sentry __cerb(__in, false);
|
| 968 |
|
|
if (__cerb)
|
| 969 |
|
|
{
|
| 970 |
|
|
__try
|
| 971 |
|
|
{
|
| 972 |
|
|
// Figure out how many characters to extract.
|
| 973 |
|
|
streamsize __num = __in.width();
|
| 974 |
|
|
if (__num <= 0)
|
| 975 |
|
|
__num = __gnu_cxx::__numeric_traits::__max;
|
| 976 |
|
|
|
| 977 |
|
|
const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
|
| 978 |
|
|
|
| 979 |
|
|
const int_type __eof = _Traits::eof();
|
| 980 |
|
|
__streambuf_type* __sb = __in.rdbuf();
|
| 981 |
|
|
int_type __c = __sb->sgetc();
|
| 982 |
|
|
|
| 983 |
|
|
while (__extracted < __num - 1
|
| 984 |
|
|
&& !_Traits::eq_int_type(__c, __eof)
|
| 985 |
|
|
&& !__ct.is(ctype_base::space,
|
| 986 |
|
|
_Traits::to_char_type(__c)))
|
| 987 |
|
|
{
|
| 988 |
|
|
*__s++ = _Traits::to_char_type(__c);
|
| 989 |
|
|
++__extracted;
|
| 990 |
|
|
__c = __sb->snextc();
|
| 991 |
|
|
}
|
| 992 |
|
|
if (_Traits::eq_int_type(__c, __eof))
|
| 993 |
|
|
__err |= ios_base::eofbit;
|
| 994 |
|
|
|
| 995 |
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
| 996 |
|
|
// 68. Extractors for char* should store null at end
|
| 997 |
|
|
*__s = char_type();
|
| 998 |
|
|
__in.width(0);
|
| 999 |
|
|
}
|
| 1000 |
|
|
__catch(__cxxabiv1::__forced_unwind&)
|
| 1001 |
|
|
{
|
| 1002 |
|
|
__in._M_setstate(ios_base::badbit);
|
| 1003 |
|
|
__throw_exception_again;
|
| 1004 |
|
|
}
|
| 1005 |
|
|
__catch(...)
|
| 1006 |
|
|
{ __in._M_setstate(ios_base::badbit); }
|
| 1007 |
|
|
}
|
| 1008 |
|
|
if (!__extracted)
|
| 1009 |
|
|
__err |= ios_base::failbit;
|
| 1010 |
|
|
if (__err)
|
| 1011 |
|
|
__in.setstate(__err);
|
| 1012 |
|
|
return __in;
|
| 1013 |
|
|
}
|
| 1014 |
|
|
|
| 1015 |
|
|
// 27.6.1.4 Standard basic_istream manipulators
|
| 1016 |
|
|
template
|
| 1017 |
|
|
basic_istream<_CharT, _Traits>&
|
| 1018 |
|
|
ws(basic_istream<_CharT, _Traits>& __in)
|
| 1019 |
|
|
{
|
| 1020 |
|
|
typedef basic_istream<_CharT, _Traits> __istream_type;
|
| 1021 |
|
|
typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
|
| 1022 |
|
|
typedef typename __istream_type::int_type __int_type;
|
| 1023 |
|
|
typedef ctype<_CharT> __ctype_type;
|
| 1024 |
|
|
|
| 1025 |
|
|
const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
|
| 1026 |
|
|
const __int_type __eof = _Traits::eof();
|
| 1027 |
|
|
__streambuf_type* __sb = __in.rdbuf();
|
| 1028 |
|
|
__int_type __c = __sb->sgetc();
|
| 1029 |
|
|
|
| 1030 |
|
|
while (!_Traits::eq_int_type(__c, __eof)
|
| 1031 |
|
|
&& __ct.is(ctype_base::space, _Traits::to_char_type(__c)))
|
| 1032 |
|
|
__c = __sb->snextc();
|
| 1033 |
|
|
|
| 1034 |
|
|
if (_Traits::eq_int_type(__c, __eof))
|
| 1035 |
|
|
__in.setstate(ios_base::eofbit);
|
| 1036 |
|
|
return __in;
|
| 1037 |
|
|
}
|
| 1038 |
|
|
|
| 1039 |
|
|
// Inhibit implicit instantiations for required instantiations,
|
| 1040 |
|
|
// which are defined via explicit instantiations elsewhere.
|
| 1041 |
|
|
#if _GLIBCXX_EXTERN_TEMPLATE
|
| 1042 |
|
|
extern template class basic_istream;
|
| 1043 |
|
|
extern template istream& ws(istream&);
|
| 1044 |
|
|
extern template istream& operator>>(istream&, char&);
|
| 1045 |
|
|
extern template istream& operator>>(istream&, char*);
|
| 1046 |
|
|
extern template istream& operator>>(istream&, unsigned char&);
|
| 1047 |
|
|
extern template istream& operator>>(istream&, signed char&);
|
| 1048 |
|
|
extern template istream& operator>>(istream&, unsigned char*);
|
| 1049 |
|
|
extern template istream& operator>>(istream&, signed char*);
|
| 1050 |
|
|
|
| 1051 |
|
|
extern template istream& istream::_M_extract(unsigned short&);
|
| 1052 |
|
|
extern template istream& istream::_M_extract(unsigned int&);
|
| 1053 |
|
|
extern template istream& istream::_M_extract(long&);
|
| 1054 |
|
|
extern template istream& istream::_M_extract(unsigned long&);
|
| 1055 |
|
|
extern template istream& istream::_M_extract(bool&);
|
| 1056 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
| 1057 |
|
|
extern template istream& istream::_M_extract(long long&);
|
| 1058 |
|
|
extern template istream& istream::_M_extract(unsigned long long&);
|
| 1059 |
|
|
#endif
|
| 1060 |
|
|
extern template istream& istream::_M_extract(float&);
|
| 1061 |
|
|
extern template istream& istream::_M_extract(double&);
|
| 1062 |
|
|
extern template istream& istream::_M_extract(long double&);
|
| 1063 |
|
|
extern template istream& istream::_M_extract(void*&);
|
| 1064 |
|
|
|
| 1065 |
|
|
extern template class basic_iostream;
|
| 1066 |
|
|
|
| 1067 |
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
| 1068 |
|
|
extern template class basic_istream;
|
| 1069 |
|
|
extern template wistream& ws(wistream&);
|
| 1070 |
|
|
extern template wistream& operator>>(wistream&, wchar_t&);
|
| 1071 |
|
|
extern template wistream& operator>>(wistream&, wchar_t*);
|
| 1072 |
|
|
|
| 1073 |
|
|
extern template wistream& wistream::_M_extract(unsigned short&);
|
| 1074 |
|
|
extern template wistream& wistream::_M_extract(unsigned int&);
|
| 1075 |
|
|
extern template wistream& wistream::_M_extract(long&);
|
| 1076 |
|
|
extern template wistream& wistream::_M_extract(unsigned long&);
|
| 1077 |
|
|
extern template wistream& wistream::_M_extract(bool&);
|
| 1078 |
|
|
#ifdef _GLIBCXX_USE_LONG_LONG
|
| 1079 |
|
|
extern template wistream& wistream::_M_extract(long long&);
|
| 1080 |
|
|
extern template wistream& wistream::_M_extract(unsigned long long&);
|
| 1081 |
|
|
#endif
|
| 1082 |
|
|
extern template wistream& wistream::_M_extract(float&);
|
| 1083 |
|
|
extern template wistream& wistream::_M_extract(double&);
|
| 1084 |
|
|
extern template wistream& wistream::_M_extract(long double&);
|
| 1085 |
|
|
extern template wistream& wistream::_M_extract(void*&);
|
| 1086 |
|
|
|
| 1087 |
|
|
extern template class basic_iostream;
|
| 1088 |
|
|
#endif
|
| 1089 |
|
|
#endif
|
| 1090 |
|
|
|
| 1091 |
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
| 1092 |
|
|
} // namespace std
|
| 1093 |
|
|
|
| 1094 |
|
|
#endif
|
