Make all savers non-copyable

This commit is contained in:
Glen Fernandes
2019-12-20 08:28:11 -05:00
parent afa8fbd744
commit 21b20f4a9e

View File

@ -1,439 +1,489 @@
// Boost io/ios_state.hpp header file --------------------------------------//
// Copyright 2002, 2005 Daryle Walker. Use, modification, and distribution
// are subject to the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or a copy at <http://www.boost.org/LICENSE_1_0.txt>.)
// See <http://www.boost.org/libs/io/> for the library's home page.
/*
Copyright 2002, 2005 Daryle Walker
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_IO_IOS_STATE_HPP
#define BOOST_IO_IOS_STATE_HPP
#include <boost/io_fwd.hpp> // self include
#include <boost/io_fwd.hpp>
#include <boost/detail/workaround.hpp>
#include <ios> // for std::ios_base, std::basic_ios, etc.
#include <ios>
#ifndef BOOST_NO_STD_LOCALE
#include <locale> // for std::locale
#include <locale>
#endif
#include <ostream> // for std::basic_ostream
#include <streambuf> // for std::basic_streambuf
#include <string> // for std::char_traits
#include <ostream>
#include <streambuf>
#include <string>
namespace boost {
namespace io {
namespace boost
{
namespace io
{
// Basic stream state saver class declarations -----------------------------//
class ios_flags_saver
{
class ios_flags_saver {
public:
typedef ::std::ios_base state_type;
typedef ::std::ios_base::fmtflags aspect_type;
typedef std::ios_base state_type;
typedef std::ios_base::fmtflags aspect_type;
explicit ios_flags_saver( state_type &s )
: s_save_( s ), a_save_( s.flags() )
{}
ios_flags_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.flags(a) )
{}
~ios_flags_saver()
{ this->restore(); }
explicit ios_flags_saver(state_type& s)
: s_save_(s)
, a_save_(s.flags()) { }
void restore()
{ s_save_.flags( a_save_ ); }
ios_flags_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.flags(a)) { }
~ios_flags_saver() {
this->restore();
}
void restore() {
s_save_.flags(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
ios_flags_saver(const ios_flags_saver&);
ios_flags_saver& operator=(const ios_flags_saver&);
state_type& s_save_;
aspect_type a_save_;
};
class ios_precision_saver
{
class ios_precision_saver {
public:
typedef ::std::ios_base state_type;
typedef ::std::streamsize aspect_type;
typedef std::ios_base state_type;
typedef std::streamsize aspect_type;
explicit ios_precision_saver( state_type &s )
: s_save_( s ), a_save_( s.precision() )
{}
ios_precision_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.precision(a) )
{}
~ios_precision_saver()
{ this->restore(); }
explicit ios_precision_saver(state_type& s)
: s_save_(s)
, a_save_(s.precision()) { }
void restore()
{ s_save_.precision( a_save_ ); }
ios_precision_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.precision(a)) { }
~ios_precision_saver() {
this->restore();
}
void restore() {
s_save_.precision(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
ios_precision_saver(const ios_precision_saver&);
ios_precision_saver& operator=(const ios_precision_saver&);
state_type& s_save_;
aspect_type a_save_;
};
class ios_width_saver
{
class ios_width_saver {
public:
typedef ::std::ios_base state_type;
typedef ::std::streamsize aspect_type;
typedef std::ios_base state_type;
typedef std::streamsize aspect_type;
explicit ios_width_saver( state_type &s )
: s_save_( s ), a_save_( s.width() )
{}
ios_width_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.width(a) )
{}
~ios_width_saver()
{ this->restore(); }
explicit ios_width_saver(state_type& s)
: s_save_(s)
, a_save_(s.width()) { }
void restore()
{ s_save_.width( a_save_ ); }
ios_width_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.width(a)) { }
~ios_width_saver() {
this->restore();
}
void restore() {
s_save_.width(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
ios_width_saver(const ios_width_saver&);
ios_width_saver& operator=(const ios_width_saver&);
state_type& s_save_;
aspect_type a_save_;
};
// Advanced stream state saver class template declarations -----------------//
template < typename Ch, class Tr >
class basic_ios_iostate_saver
{
template<class Ch, class Tr>
class basic_ios_iostate_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef ::std::ios_base::iostate aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef std::ios_base::iostate aspect_type;
explicit basic_ios_iostate_saver( state_type &s )
: s_save_( s ), a_save_( s.rdstate() )
{}
basic_ios_iostate_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.rdstate() )
{ s.clear(a); }
~basic_ios_iostate_saver()
{ this->restore(); }
explicit basic_ios_iostate_saver(state_type& s)
: s_save_(s)
, a_save_(s.rdstate()) { }
void restore()
{ s_save_.clear( a_save_ ); }
basic_ios_iostate_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.rdstate()) {
s.clear(a);
}
~basic_ios_iostate_saver() {
this->restore();
}
void restore() {
s_save_.clear(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_iostate_saver(const basic_ios_iostate_saver&);
basic_ios_iostate_saver& operator=(const basic_ios_iostate_saver&);
state_type& s_save_;
aspect_type a_save_;
};
template < typename Ch, class Tr >
class basic_ios_exception_saver
{
template<class Ch, class Tr>
class basic_ios_exception_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef ::std::ios_base::iostate aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef std::ios_base::iostate aspect_type;
explicit basic_ios_exception_saver(state_type& s)
: s_save_(s)
, a_save_(s.exceptions()) { }
explicit basic_ios_exception_saver( state_type &s )
: s_save_( s ), a_save_( s.exceptions() )
{}
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
basic_ios_exception_saver( state_type &s, aspect_type a )
basic_ios_exception_saver(state_type& s, aspect_type a)
#else
basic_ios_exception_saver( state_type &s, aspect_type const &a )
basic_ios_exception_saver(state_type& s, const aspect_type& a)
#endif
: s_save_( s ), a_save_( s.exceptions() )
{ s.exceptions(a); }
~basic_ios_exception_saver()
{ this->restore(); }
: s_save_(s)
, a_save_(s.exceptions()) {
s.exceptions(a);
}
void restore()
{ s_save_.exceptions( a_save_ ); }
~basic_ios_exception_saver() {
this->restore();
}
void restore() {
s_save_.exceptions(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_exception_saver(const basic_ios_exception_saver&);
basic_ios_exception_saver& operator=(const basic_ios_exception_saver&);
state_type& s_save_;
aspect_type a_save_;
};
template < typename Ch, class Tr >
class basic_ios_tie_saver
{
template<class Ch, class Tr>
class basic_ios_tie_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef ::std::basic_ostream<Ch, Tr> * aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef std::basic_ostream<Ch, Tr>* aspect_type;
explicit basic_ios_tie_saver( state_type &s )
: s_save_( s ), a_save_( s.tie() )
{}
basic_ios_tie_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.tie(a) )
{}
~basic_ios_tie_saver()
{ this->restore(); }
explicit basic_ios_tie_saver(state_type& s)
: s_save_(s)
, a_save_(s.tie()) { }
void restore()
{ s_save_.tie( a_save_ ); }
basic_ios_tie_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.tie(a)) { }
~basic_ios_tie_saver() {
this->restore();
}
void restore() {
s_save_.tie(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_tie_saver(const basic_ios_tie_saver&);
basic_ios_tie_saver& operator=(const basic_ios_tie_saver&);
state_type& s_save_;
aspect_type a_save_;
};
template < typename Ch, class Tr >
class basic_ios_rdbuf_saver
{
template<class Ch, class Tr>
class basic_ios_rdbuf_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef ::std::basic_streambuf<Ch, Tr> * aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef std::basic_streambuf<Ch, Tr>* aspect_type;
explicit basic_ios_rdbuf_saver( state_type &s )
: s_save_( s ), a_save_( s.rdbuf() )
{}
basic_ios_rdbuf_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.rdbuf(a) )
{}
~basic_ios_rdbuf_saver()
{ this->restore(); }
explicit basic_ios_rdbuf_saver(state_type& s)
: s_save_(s)
, a_save_(s.rdbuf()) { }
void restore()
{ s_save_.rdbuf( a_save_ ); }
basic_ios_rdbuf_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.rdbuf(a)) { }
~basic_ios_rdbuf_saver() {
this->restore();
}
void restore() {
s_save_.rdbuf(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_rdbuf_saver(const basic_ios_rdbuf_saver&);
basic_ios_rdbuf_saver& operator=(const basic_ios_rdbuf_saver&);
state_type& s_save_;
aspect_type a_save_;
};
template < typename Ch, class Tr >
class basic_ios_fill_saver
{
template<class Ch, class Tr>
class basic_ios_fill_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef typename state_type::char_type aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef typename state_type::char_type aspect_type;
explicit basic_ios_fill_saver( state_type &s )
: s_save_( s ), a_save_( s.fill() )
{}
basic_ios_fill_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.fill(a) )
{}
~basic_ios_fill_saver()
{ this->restore(); }
explicit basic_ios_fill_saver(state_type& s)
: s_save_(s)
, a_save_(s.fill()) { }
void restore()
{ s_save_.fill( a_save_ ); }
basic_ios_fill_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.fill(a)) { }
~basic_ios_fill_saver() {
this->restore();
}
void restore() {
s_save_.fill(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_fill_saver(const basic_ios_fill_saver&);
basic_ios_fill_saver& operator=(const basic_ios_fill_saver&);
state_type& s_save_;
aspect_type a_save_;
};
#ifndef BOOST_NO_STD_LOCALE
template < typename Ch, class Tr >
class basic_ios_locale_saver
{
template<class Ch, class Tr>
class basic_ios_locale_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef ::std::locale aspect_type;
typedef std::basic_ios<Ch, Tr> state_type;
typedef std::locale aspect_type;
explicit basic_ios_locale_saver( state_type &s )
: s_save_( s ), a_save_( s.getloc() )
{}
basic_ios_locale_saver( state_type &s, aspect_type const &a )
: s_save_( s ), a_save_( s.imbue(a) )
{}
~basic_ios_locale_saver()
{ this->restore(); }
explicit basic_ios_locale_saver(state_type& s)
: s_save_(s)
, a_save_(s.getloc()) { }
void restore()
{ s_save_.imbue( a_save_ ); }
basic_ios_locale_saver(state_type& s, const aspect_type& a)
: s_save_(s)
, a_save_(s.imbue(a)) { }
~basic_ios_locale_saver() {
this->restore();
}
void restore() {
s_save_.imbue(a_save_);
}
private:
state_type & s_save_;
aspect_type const a_save_;
basic_ios_locale_saver(const basic_ios_locale_saver&);
basic_ios_locale_saver& operator=(const basic_ios_locale_saver&);
state_type& s_save_;
aspect_type a_save_;
};
#endif
// User-defined stream state saver class declarations ----------------------//
class ios_iword_saver
{
class ios_iword_saver {
public:
typedef ::std::ios_base state_type;
typedef int index_type;
typedef long aspect_type;
typedef std::ios_base state_type;
typedef int index_type;
typedef long aspect_type;
explicit ios_iword_saver( state_type &s, index_type i )
: s_save_( s ), a_save_( s.iword(i) ), i_save_( i )
{}
ios_iword_saver( state_type &s, index_type i, aspect_type const &a )
: s_save_( s ), a_save_( s.iword(i) ), i_save_( i )
{ s.iword(i) = a; }
~ios_iword_saver()
{ this->restore(); }
explicit ios_iword_saver(state_type& s, index_type i)
: s_save_(s)
, a_save_(s.iword(i))
, i_save_(i) { }
void restore()
{ s_save_.iword( i_save_ ) = a_save_; }
ios_iword_saver(state_type& s, index_type i, const aspect_type& a)
: s_save_(s)
, a_save_(s.iword(i))
, i_save_(i) {
s.iword(i) = a;
}
~ios_iword_saver() {
this->restore();
}
void restore() {
s_save_.iword(i_save_) = a_save_;
}
private:
state_type & s_save_;
aspect_type const a_save_;
index_type const i_save_;
ios_iword_saver(const ios_iword_saver&);
ios_iword_saver& operator=(const ios_iword_saver&);
state_type& s_save_;
aspect_type a_save_;
index_type i_save_;
};
class ios_pword_saver
{
class ios_pword_saver {
public:
typedef ::std::ios_base state_type;
typedef int index_type;
typedef void * aspect_type;
typedef std::ios_base state_type;
typedef int index_type;
typedef void* aspect_type;
explicit ios_pword_saver( state_type &s, index_type i )
: s_save_( s ), a_save_( s.pword(i) ), i_save_( i )
{}
ios_pword_saver( state_type &s, index_type i, aspect_type const &a )
: s_save_( s ), a_save_( s.pword(i) ), i_save_( i )
{ s.pword(i) = a; }
~ios_pword_saver()
{ this->restore(); }
explicit ios_pword_saver(state_type& s, index_type i)
: s_save_(s)
, a_save_(s.pword(i))
, i_save_(i) { }
void restore()
{ s_save_.pword( i_save_ ) = a_save_; }
ios_pword_saver(state_type& s, index_type i, const aspect_type& a)
: s_save_(s)
, a_save_(s.pword(i))
, i_save_(i) {
s.pword(i) = a;
}
~ios_pword_saver() {
this->restore();
}
void restore() {
s_save_.pword(i_save_) = a_save_;
}
private:
state_type & s_save_;
aspect_type const a_save_;
index_type const i_save_;
ios_pword_saver(const ios_pword_saver&);
ios_pword_saver operator=(const ios_pword_saver&);
state_type& s_save_;
aspect_type a_save_;
index_type i_save_;
};
// Combined stream state saver class (template) declarations ---------------//
class ios_base_all_saver
{
class ios_base_all_saver {
public:
typedef ::std::ios_base state_type;
typedef std::ios_base state_type;
explicit ios_base_all_saver( state_type &s )
: s_save_( s ), a1_save_( s.flags() ), a2_save_( s.precision() )
, a3_save_( s.width() )
{}
explicit ios_base_all_saver(state_type& s)
: s_save_(s)
, a1_save_(s.flags())
, a2_save_(s.precision())
, a3_save_(s.width()) { }
~ios_base_all_saver()
{ this->restore(); }
~ios_base_all_saver() {
this->restore();
}
void restore()
{
s_save_.width( a3_save_ );
s_save_.precision( a2_save_ );
s_save_.flags( a1_save_ );
void restore() {
s_save_.width(a3_save_);
s_save_.precision(a2_save_);
s_save_.flags(a1_save_);
}
private:
state_type & s_save_;
state_type::fmtflags const a1_save_;
::std::streamsize const a2_save_;
::std::streamsize const a3_save_;
ios_base_all_saver(const ios_base_all_saver&);
ios_base_all_saver& operator=(const ios_base_all_saver&);
state_type& s_save_;
state_type::fmtflags a1_save_;
std::streamsize a2_save_;
std::streamsize a3_save_;
};
template < typename Ch, class Tr >
class basic_ios_all_saver
{
template<class Ch, class Tr>
class basic_ios_all_saver {
public:
typedef ::std::basic_ios<Ch, Tr> state_type;
typedef std::basic_ios<Ch, Tr> state_type;
explicit basic_ios_all_saver( state_type &s )
: s_save_( s ), a1_save_( s.flags() ), a2_save_( s.precision() )
, a3_save_( s.width() ), a4_save_( s.rdstate() )
, a5_save_( s.exceptions() ), a6_save_( s.tie() )
, a7_save_( s.rdbuf() ), a8_save_( s.fill() )
#ifndef BOOST_NO_STD_LOCALE
, a9_save_( s.getloc() )
#endif
{}
explicit basic_ios_all_saver(state_type& s)
: s_save_(s)
, a1_save_(s.flags())
, a2_save_(s.precision())
, a3_save_(s.width())
, a4_save_(s.rdstate())
, a5_save_(s.exceptions())
, a6_save_(s.tie())
, a7_save_(s.rdbuf())
, a8_save_(s.fill())
#ifndef BOOST_NO_STD_LOCALE
, a9_save_(s.getloc())
#endif
{ }
~basic_ios_all_saver()
{ this->restore(); }
~basic_ios_all_saver() {
this->restore();
}
void restore()
{
#ifndef BOOST_NO_STD_LOCALE
s_save_.imbue( a9_save_ );
#endif
s_save_.fill( a8_save_ );
s_save_.rdbuf( a7_save_ );
s_save_.tie( a6_save_ );
s_save_.exceptions( a5_save_ );
s_save_.clear( a4_save_ );
s_save_.width( a3_save_ );
s_save_.precision( a2_save_ );
s_save_.flags( a1_save_ );
void restore() {
#ifndef BOOST_NO_STD_LOCALE
s_save_.imbue(a9_save_);
#endif
s_save_.fill(a8_save_);
s_save_.rdbuf(a7_save_);
s_save_.tie(a6_save_);
s_save_.exceptions(a5_save_);
s_save_.clear(a4_save_);
s_save_.width(a3_save_);
s_save_.precision(a2_save_);
s_save_.flags(a1_save_);
}
private:
state_type & s_save_;
typename state_type::fmtflags const a1_save_;
::std::streamsize const a2_save_;
::std::streamsize const a3_save_;
typename state_type::iostate const a4_save_;
typename state_type::iostate const a5_save_;
::std::basic_ostream<Ch, Tr> * const a6_save_;
::std::basic_streambuf<Ch, Tr> * const a7_save_;
typename state_type::char_type const a8_save_;
#ifndef BOOST_NO_STD_LOCALE
::std::locale const a9_save_;
#endif
basic_ios_all_saver(const basic_ios_all_saver&);
basic_ios_all_saver& operator=(const basic_ios_all_saver&);
state_type& s_save_;
typename state_type::fmtflags a1_save_;
std::streamsize a2_save_;
std::streamsize a3_save_;
typename state_type::iostate a4_save_;
typename state_type::iostate a5_save_;
std::basic_ostream<Ch, Tr>* a6_save_;
std::basic_streambuf<Ch, Tr>* a7_save_;
typename state_type::char_type a8_save_;
#ifndef BOOST_NO_STD_LOCALE
std::locale a9_save_;
#endif
};
class ios_all_word_saver
{
class ios_all_word_saver {
public:
typedef ::std::ios_base state_type;
typedef int index_type;
typedef std::ios_base state_type;
typedef int index_type;
ios_all_word_saver( state_type &s, index_type i )
: s_save_( s ), i_save_( i ), a1_save_( s.iword(i) )
, a2_save_( s.pword(i) )
{}
ios_all_word_saver(state_type& s, index_type i)
: s_save_(s)
, i_save_(i)
, a1_save_(s.iword(i))
, a2_save_(s.pword(i)) { }
~ios_all_word_saver()
{ this->restore(); }
~ios_all_word_saver() {
this->restore();
}
void restore()
{
s_save_.pword( i_save_ ) = a2_save_;
s_save_.iword( i_save_ ) = a1_save_;
void restore() {
s_save_.pword(i_save_) = a2_save_;
s_save_.iword(i_save_) = a1_save_;
}
private:
state_type & s_save_;
index_type const i_save_;
long const a1_save_;
void * const a2_save_;
ios_all_word_saver(const ios_all_word_saver&);
ios_all_word_saver& operator=(const ios_all_word_saver&);
state_type& s_save_;
index_type i_save_;
long a1_save_;
void* a2_save_;
};
} /* io */
} /* boost */
} // namespace io
} // namespace boost
#endif // BOOST_IO_IOS_STATE_HPP
#endif