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- // ostream classes -*- C++ -*-
-
- // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
- // 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
- //
-
- #pragma GCC system_header
-
- #include <locale>
-
- namespace std
- {
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>::sentry::
- sentry(basic_ostream<_CharT,_Traits>& __os)
- : _M_ok(__os.good()), _M_os(__os)
- {
- // XXX MT
- if (_M_ok && __os.tie())
- __os.tie()->flush();
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::
- operator<<(__ostream_type& (*__pf)(__ostream_type&))
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- { __pf(*this); }
- catch(exception& __fail)
- {
- // 27.6.2.5.1 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::
- operator<<(__ios_type& (*__pf)(__ios_type&))
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- { __pf(*this); }
- catch(exception& __fail)
- {
- // 27.6.2.5.1 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::
- operator<<(ios_base& (*__pf)(ios_base&))
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- { __pf(*this); }
- catch(exception& __fail)
- {
- // 27.6.2.5.1 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sbin)
- {
- sentry __cerb(*this);
- if (__cerb && __sbin)
- {
- try
- {
- if (!__copy_streambufs(*this, __sbin, this->rdbuf()))
- this->setstate(ios_base::failbit);
- }
- catch(exception& __fail)
- {
- // 27.6.2.5.1 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;
- }
- }
- else if (!__sbin)
- this->setstate(ios_base::badbit);
- return *this;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(bool __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(long __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- char_type __c = this->fill();
- ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
- if (_M_check_facet(_M_fnumput))
- {
- bool __b = false;
- if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
- {
- unsigned long __l = static_cast<unsigned long>(__n);
- __b = _M_fnumput->put(*this, *this, __c, __l).failed();
- }
- else
- __b = _M_fnumput->put(*this, *this, __c, __n).failed();
- if (__b)
- this->setstate(ios_base::badbit);
- }
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(unsigned long __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(long long __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- char_type __c = this->fill();
- ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
- if (_M_check_facet(_M_fnumput))
- {
- bool __b = false;
- if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
- {
- unsigned long long __l;
- __l = static_cast<unsigned long long>(__n);
- __b = _M_fnumput->put(*this, *this, __c, __l).failed();
- }
- else
- __b = _M_fnumput->put(*this, *this, __c, __n).failed();
- if (__b)
- this->setstate(ios_base::badbit);
- }
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(unsigned long long __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(double __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(long double __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::operator<<(const void* __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- try
- {
- if (_M_check_facet(_M_fnumput))
- if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
- this->setstate(ios_base::badbit);
- }
- 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<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::put(char_type __c)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- int_type __put = rdbuf()->sputc(__c);
- if (traits_type::eq_int_type(__put, traits_type::eof()))
- this->setstate(ios_base::badbit);
- }
- return *this;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::write(const _CharT* __s, streamsize __n)
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- streamsize __put = this->rdbuf()->sputn(__s, __n);
- if ( __put != __n)
- this->setstate(ios_base::badbit);
- }
- return *this;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::flush()
- {
- sentry __cerb(*this);
- if (__cerb)
- {
- if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
- this->setstate(ios_base::badbit);
- }
- return *this;
- }
-
- template<typename _CharT, typename _Traits>
- typename basic_ostream<_CharT, _Traits>::pos_type
- basic_ostream<_CharT, _Traits>::tellp()
- {
- pos_type __ret = pos_type(-1);
- if (!this->fail())
- __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
- return __ret;
- }
-
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::seekp(pos_type __pos)
- {
- if (!this->fail())
- {
- #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- // 136. seekp, seekg setting wrong streams?
- pos_type __err = this->rdbuf()->pubseekpos(__pos, ios_base::out);
-
- // 129. Need error indication from seekp() and seekg()
- if (__err == pos_type(off_type(-1)))
- this->setstate(ios_base::failbit);
- #endif
- }
- return *this;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- basic_ostream<_CharT, _Traits>::
- seekp(off_type __off, ios_base::seekdir __d)
- {
- if (!this->fail())
- {
- #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- // 136. seekp, seekg setting wrong streams?
- pos_type __err = this->rdbuf()->pubseekoff(__off, __d,
- ios_base::out);
-
- // 129. Need error indication from seekp() and seekg()
- if (__err == pos_type(off_type(-1)))
- this->setstate(ios_base::failbit);
- #endif
- }
- return *this;
- }
-
- // 27.6.2.5.4 Character inserters.
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
- {
- typedef basic_ostream<_CharT, _Traits> __ostream_type;
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb)
- {
- try
- {
- streamsize __w = __out.width();
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__w + 1)));
- __pads[0] = __c;
- streamsize __len = 1;
- if (__w > __len)
- {
- __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads,
- &__c, __w, __len, false);
- __len = __w;
- }
- __out.write(__pads, __len);
- __out.width(0);
- }
- catch(exception& __fail)
- {
- // 27.6.1.2.1 Common requirements.
- // Turn this on without causing an ios::failure to be thrown.
- __out.setstate(ios_base::badbit);
- if ((__out.exceptions() & ios_base::badbit) != 0)
- __throw_exception_again;
- }
- }
- return __out;
- }
-
- // Specializations.
- template <class _Traits>
- basic_ostream<char, _Traits>&
- operator<<(basic_ostream<char, _Traits>& __out, char __c)
- {
- typedef basic_ostream<char, _Traits> __ostream_type;
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb)
- {
- try
- {
- streamsize __w = __out.width();
- char* __pads = static_cast<char*>(__builtin_alloca(__w + 1));
- __pads[0] = __c;
- streamsize __len = 1;
- if (__w > __len)
- {
- __pad<char, _Traits>::_S_pad(__out, __out.fill(), __pads,
- &__c, __w, __len, false);
- __len = __w;
- }
- __out.write(__pads, __len);
- __out.width(0);
- }
- catch(exception& __fail)
- {
- // 27.6.1.2.1 Common requirements.
- // Turn this on without causing an ios::failure to be thrown.
- __out.setstate(ios_base::badbit);
- if ((__out.exceptions() & ios_base::badbit) != 0)
- __throw_exception_again;
- }
- }
- return __out;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
- {
- typedef basic_ostream<_CharT, _Traits> __ostream_type;
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb && __s)
- {
- try
- {
- streamsize __w = __out.width();
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
- streamsize __len = static_cast<streamsize>(_Traits::length(__s));
- if (__w > __len)
- {
- __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads,
- __s, __w, __len, false);
- __s = __pads;
- __len = __w;
- }
- __out.write(__s, __len);
- __out.width(0);
- }
- catch(exception& __fail)
- {
- // 27.6.1.2.1 Common requirements.
- // Turn this on without causing an ios::failure to be thrown.
- __out.setstate(ios_base::badbit);
- if ((__out.exceptions() & ios_base::badbit) != 0)
- __throw_exception_again;
- }
- }
- else if (!__s)
- __out.setstate(ios_base::badbit);
- return __out;
- }
-
- template<typename _CharT, typename _Traits>
- basic_ostream<_CharT, _Traits>&
- operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
- {
- typedef basic_ostream<_CharT, _Traits> __ostream_type;
- #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- // 167. Improper use of traits_type::length()
- // Note that this is only in 'Review' status.
- typedef char_traits<char> __traits_type;
- #endif
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb && __s)
- {
- size_t __clen = __traits_type::length(__s);
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__clen + 1)));
- for (size_t __i = 0; __i < __clen; ++__i)
- __ws[__i] = __out.widen(__s[__i]);
- _CharT* __str = __ws;
-
- try
- {
- streamsize __len = static_cast<streamsize>(__clen);
- streamsize __w = __out.width();
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
-
- if (__w > __len)
- {
- __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads,
- __ws, __w, __len, false);
- __str = __pads;
- __len = __w;
- }
- __out.write(__str, __len);
- __out.width(0);
- }
- catch(exception& __fail)
- {
- // 27.6.1.2.1 Common requirements.
- // Turn this on without causing an ios::failure to be thrown.
- __out.setstate(ios_base::badbit);
- if ((__out.exceptions() & ios_base::badbit) != 0)
- __throw_exception_again;
- }
- }
- else if (!__s)
- __out.setstate(ios_base::badbit);
- return __out;
- }
-
- // Partial specializations.
- template<class _Traits>
- basic_ostream<char, _Traits>&
- operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
- {
- typedef basic_ostream<char, _Traits> __ostream_type;
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb && __s)
- {
- try
- {
- streamsize __w = __out.width();
- char* __pads = static_cast<char*>(__builtin_alloca(__w));
- streamsize __len = static_cast<streamsize>(_Traits::length(__s));
-
- if (__w > __len)
- {
- __pad<char, _Traits>::_S_pad(__out, __out.fill(), __pads,
- __s, __w, __len, false);
- __s = __pads;
- __len = __w;
- }
- __out.write(__s, __len);
- __out.width(0);
- }
- catch(exception& __fail)
- {
- // 27.6.1.2.1 Common requirements.
- // Turn this on without causing an ios::failure to be thrown.
- __out.setstate(ios_base::badbit);
- if ((__out.exceptions() & ios_base::badbit) != 0)
- __throw_exception_again;
- }
- }
- else if (!__s)
- __out.setstate(ios_base::badbit);
- return __out;
- }
-
- // 21.3.7.9 basic_string::operator<<
- template<typename _CharT, typename _Traits, typename _Alloc>
- basic_ostream<_CharT, _Traits>&
- operator<<(basic_ostream<_CharT, _Traits>& __out,
- const basic_string<_CharT, _Traits, _Alloc>& __str)
- {
- typedef basic_ostream<_CharT, _Traits> __ostream_type;
- typename __ostream_type::sentry __cerb(__out);
- if (__cerb)
- {
- const _CharT* __s = __str.data();
- streamsize __w = __out.width();
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
- streamsize __len = static_cast<streamsize>(__str.size());
- #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- // 25. String operator<< uses width() value wrong
- #endif
- if (__w > __len)
- {
- __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads, __s,
- __w, __len, false);
- __s = __pads;
- __len = __w;
- }
- streamsize __res = __out.rdbuf()->sputn(__s, __len);
- __out.width(0);
- if (__res != __len)
- __out.setstate(ios_base::failbit);
- }
- return __out;
- }
-
- // Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
- // NB: This syntax is a GNU extension.
- extern template class basic_ostream<char>;
- extern template ostream& endl(ostream&);
- extern template ostream& ends(ostream&);
- extern template ostream& flush(ostream&);
- extern template ostream& operator<<(ostream&, char);
- extern template ostream& operator<<(ostream&, unsigned char);
- extern template ostream& operator<<(ostream&, signed char);
- extern template ostream& operator<<(ostream&, const char*);
- extern template ostream& operator<<(ostream&, const unsigned char*);
- extern template ostream& operator<<(ostream&, const signed char*);
-
- #ifdef _GLIBCPP_USE_WCHAR_T
- extern template class basic_ostream<wchar_t>;
- extern template wostream& endl(wostream&);
- extern template wostream& ends(wostream&);
- extern template wostream& flush(wostream&);
- extern template wostream& operator<<(wostream&, wchar_t);
- extern template wostream& operator<<(wostream&, char);
- extern template wostream& operator<<(wostream&, const wchar_t*);
- extern template wostream& operator<<(wostream&, const char*);
- #endif
- } // namespace std
-