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// ostream classes -*- C++ -*- |
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// Copyright (C) 1997-2021 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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|
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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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|
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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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|
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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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// <http://www.gnu.org/licenses/>. |
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|
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/** @file bits/ostream.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{ostream} |
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*/ |
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|
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// |
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// ISO C++ 14882: 27.6.2 Output streams |
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// |
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|
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#ifndef _OSTREAM_TCC |
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#define _OSTREAM_TCC 1 |
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|
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#pragma GCC system_header |
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|
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#include <bits/cxxabi_forced.h> |
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|
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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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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>::sentry:: |
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sentry(basic_ostream<_CharT, _Traits>& __os) |
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: _M_ok(false), _M_os(__os) |
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{ |
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// XXX MT |
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if (__os.tie() && __os.good()) |
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__os.tie()->flush(); |
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|
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if (__os.good()) |
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_M_ok = true; |
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else |
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__os.setstate(ios_base::failbit); |
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} |
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|
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template<typename _CharT, typename _Traits> |
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template<typename _ValueT> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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_M_insert(_ValueT __v) |
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{ |
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sentry __cerb(*this); |
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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_put_type& __np = __check_facet(this->_M_num_put); |
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if (__np.put(*this, *this, this->fill(), __v).failed()) |
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__err |= ios_base::badbit; |
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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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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_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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// 117. basic_ostream uses nonexistent num_put member functions. |
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const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; |
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if (__fmt == ios_base::oct || __fmt == ios_base::hex) |
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return _M_insert(static_cast<long>(static_cast<unsigned short>(__n))); |
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else |
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return _M_insert(static_cast<long>(__n)); |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_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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// 117. basic_ostream uses nonexistent num_put member functions. |
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const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; |
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if (__fmt == ios_base::oct || __fmt == ios_base::hex) |
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return _M_insert(static_cast<long>(static_cast<unsigned int>(__n))); |
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else |
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return _M_insert(static_cast<long>(__n)); |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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operator<<(__streambuf_type* __sbin) |
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{ |
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ios_base::iostate __err = ios_base::goodbit; |
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sentry __cerb(*this); |
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if (__cerb && __sbin) |
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{ |
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__try |
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{ |
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if (!__copy_streambufs(__sbin, this->rdbuf())) |
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__err |= ios_base::failbit; |
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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::failbit); } |
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} |
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else if (!__sbin) |
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__err |= ios_base::badbit; |
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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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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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put(char_type __c) |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// DR 60. What is a formatted input function? |
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// basic_ostream::put(char_type) is an unformatted output function. |
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// DR 63. Exception-handling policy for unformatted output. |
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// Unformatted output functions should catch exceptions thrown |
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// from streambuf members. |
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sentry __cerb(*this); |
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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 int_type __put = this->rdbuf()->sputc(__c); |
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if (traits_type::eq_int_type(__put, traits_type::eof())) |
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__err |= ios_base::badbit; |
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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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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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write(const _CharT* __s, streamsize __n) |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// DR 60. What is a formatted input function? |
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// basic_ostream::write(const char_type*, streamsize) is an |
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// unformatted output function. |
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// DR 63. Exception-handling policy for unformatted output. |
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// Unformatted output functions should catch exceptions thrown |
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// from streambuf members. |
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sentry __cerb(*this); |
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if (__cerb) |
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{ |
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__try |
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{ _M_write(__s, __n); } |
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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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} |
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return *this; |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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flush() |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// DR 60. What is a formatted input function? |
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// basic_ostream::flush() is *not* an unformatted output function. |
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ios_base::iostate __err = ios_base::goodbit; |
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__try |
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{ |
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if (this->rdbuf() && this->rdbuf()->pubsync() == -1) |
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__err |= ios_base::badbit; |
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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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return *this; |
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} |
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|
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template<typename _CharT, typename _Traits> |
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typename basic_ostream<_CharT, _Traits>::pos_type |
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basic_ostream<_CharT, _Traits>:: |
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tellp() |
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{ |
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pos_type __ret = pos_type(-1); |
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__try |
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{ |
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if (!this->fail()) |
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__ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out); |
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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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return __ret; |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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seekp(pos_type __pos) |
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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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if (!this->fail()) |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// 136. seekp, seekg setting wrong streams? |
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const pos_type __p = this->rdbuf()->pubseekpos(__pos, |
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ios_base::out); |
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|
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// 129. Need error indication from seekp() and seekg() |
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if (__p == pos_type(off_type(-1))) |
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__err |= ios_base::failbit; |
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} |
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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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return *this; |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>:: |
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seekp(off_type __off, ios_base::seekdir __dir) |
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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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if (!this->fail()) |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// 136. seekp, seekg setting wrong streams? |
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const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir, |
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ios_base::out); |
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|
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// 129. Need error indication from seekp() and seekg() |
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if (__p == pos_type(off_type(-1))) |
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__err |= ios_base::failbit; |
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} |
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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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return *this; |
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} |
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|
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template<typename _CharT, typename _Traits> |
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basic_ostream<_CharT, _Traits>& |
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operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) |
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{ |
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if (!__s) |
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__out.setstate(ios_base::badbit); |
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else |
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{ |
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// _GLIBCXX_RESOLVE_LIB_DEFECTS |
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// 167. Improper use of traits_type::length() |
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const size_t __clen = char_traits<char>::length(__s); |
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__try |
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{ |
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struct __ptr_guard |
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{ |
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_CharT *__p; |
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__ptr_guard (_CharT *__ip): __p(__ip) { } |
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~__ptr_guard() { delete[] __p; } |
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_CharT* __get() { return __p; } |
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} __pg (new _CharT[__clen]); |
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|
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_CharT *__ws = __pg.__get(); |
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for (size_t __i = 0; __i < __clen; ++__i) |
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__ws[__i] = __out.widen(__s[__i]); |
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__ostream_insert(__out, __ws, __clen); |
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} |
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__catch(__cxxabiv1::__forced_unwind&) |
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{ |
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__out._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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{ __out._M_setstate(ios_base::badbit); } |
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} |
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return __out; |
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} |
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|
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// Inhibit implicit instantiations for required instantiations, |
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// which are defined via explicit instantiations elsewhere. |
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#if _GLIBCXX_EXTERN_TEMPLATE |
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extern template class basic_ostream<char>; |
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extern template ostream& endl(ostream&); |
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extern template ostream& ends(ostream&); |
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extern template ostream& flush(ostream&); |
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extern template ostream& operator<<(ostream&, char); |
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extern template ostream& operator<<(ostream&, unsigned char); |
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extern template ostream& operator<<(ostream&, signed char); |
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extern template ostream& operator<<(ostream&, const char*); |
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extern template ostream& operator<<(ostream&, const unsigned char*); |
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extern template ostream& operator<<(ostream&, const signed char*); |
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|
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extern template ostream& ostream::_M_insert(long); |
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extern template ostream& ostream::_M_insert(unsigned long); |
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extern template ostream& ostream::_M_insert(bool); |
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#ifdef _GLIBCXX_USE_LONG_LONG |
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extern template ostream& ostream::_M_insert(long long); |
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extern template ostream& ostream::_M_insert(unsigned long long); |
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#endif |
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extern template ostream& ostream::_M_insert(double); |
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extern template ostream& ostream::_M_insert(long double); |
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extern template ostream& ostream::_M_insert(const void*); |
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|
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#ifdef _GLIBCXX_USE_WCHAR_T |
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extern template class basic_ostream<wchar_t>; |
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extern template wostream& endl(wostream&); |
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extern template wostream& ends(wostream&); |
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extern template wostream& flush(wostream&); |
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extern template wostream& operator<<(wostream&, wchar_t); |
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extern template wostream& operator<<(wostream&, char); |
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extern template wostream& operator<<(wostream&, const wchar_t*); |
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extern template wostream& operator<<(wostream&, const char*); |
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|
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extern template wostream& wostream::_M_insert(long); |
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extern template wostream& wostream::_M_insert(unsigned long); |
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extern template wostream& wostream::_M_insert(bool); |
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#ifdef _GLIBCXX_USE_LONG_LONG |
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extern template wostream& wostream::_M_insert(long long); |
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extern template wostream& wostream::_M_insert(unsigned long long); |
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#endif |
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extern template wostream& wostream::_M_insert(double); |
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extern template wostream& wostream::_M_insert(long double); |
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extern template wostream& wostream::_M_insert(const void*); |
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#endif |
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#endif |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace std |
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|
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#endif |
