mirror of
https://github.com/boostorg/io.git
synced 2025-07-30 04:17:13 +02:00
Initial commit
[SVN r13766]
This commit is contained in:
Beman Dawes
361
include/boost/io/ios_state.hpp
Normal file
361
include/boost/io/ios_state.hpp
Normal file
@ -0,0 +1,361 @@
|
||||
// Boost io/ios_state.hpp header file --------------------------------------//
|
||||
|
||||
// (C) Copyright Daryle Walker 2002. Permission to copy, use, modify, sell and
|
||||
// distribute this software is granted provided this copyright notice appears
|
||||
// in all copies. This software is provided "as is" without express or implied
|
||||
// warranty, and with no claim as to its suitability for any purpose.
|
||||
|
||||
// See http://www.boost.org for updates, documentation, and revision history.
|
||||
|
||||
#ifndef BOOST_IO_IOS_STATE_HPP
|
||||
#define BOOST_IO_IOS_STATE_HPP
|
||||
|
||||
#include <boost/io_fwd.hpp> // self include
|
||||
|
||||
#include <ios> // for std::ios_base, std::basic_ios, etc.
|
||||
#include <locale> // for std::locale
|
||||
#include <ostream> // for std::basic_ostream
|
||||
#include <streambuf> // for std::basic_streambuf
|
||||
#include <string> // for std::char_traits
|
||||
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace io
|
||||
{
|
||||
|
||||
|
||||
// Basic stream state saver class declarations -----------------------------//
|
||||
|
||||
class ios_flags_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.flags( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
class ios_precision_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.precision( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
class ios_width_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.width( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
|
||||
// Advanced stream state saver class template declarations -----------------//
|
||||
|
||||
template < typename Ch, class Tr >
|
||||
class basic_ios_iostate_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.clear( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
template < typename Ch, class Tr >
|
||||
class basic_ios_exception_saver
|
||||
{
|
||||
public:
|
||||
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() )
|
||||
{}
|
||||
basic_ios_exception_saver( state_type &s, aspect_type const &a )
|
||||
: s_save_( s ), a_save_( s.exceptions() )
|
||||
{ s.exceptions(a); }
|
||||
~basic_ios_exception_saver()
|
||||
{ s_save_.exceptions( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
template < typename 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;
|
||||
|
||||
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()
|
||||
{ s_save_.tie( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
template < typename 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;
|
||||
|
||||
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()
|
||||
{ s_save_.rdbuf( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
template < typename 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;
|
||||
|
||||
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()
|
||||
{ s_save_.fill( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
template < typename Ch, class Tr >
|
||||
class basic_ios_locale_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.imbue( a_save_ ); }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
};
|
||||
|
||||
|
||||
// User-defined stream state saver class declarations ----------------------//
|
||||
|
||||
class ios_iword_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.iword( i_save_ ) = a_save_; }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
index_type const i_save_;
|
||||
};
|
||||
|
||||
class ios_pword_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{ s_save_.pword( i_save_ ) = a_save_; }
|
||||
|
||||
private:
|
||||
state_type & s_save_;
|
||||
aspect_type const a_save_;
|
||||
index_type const i_save_;
|
||||
};
|
||||
|
||||
|
||||
// Combined stream state saver class (template) declarations ---------------//
|
||||
|
||||
class ios_base_all_saver
|
||||
{
|
||||
public:
|
||||
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() )
|
||||
{}
|
||||
|
||||
~ios_base_all_saver()
|
||||
{
|
||||
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_;
|
||||
};
|
||||
|
||||
template < typename Ch, class Tr >
|
||||
class basic_ios_all_saver
|
||||
{
|
||||
public:
|
||||
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() ), a9_save_( s.getloc() )
|
||||
{}
|
||||
|
||||
~basic_ios_all_saver()
|
||||
{
|
||||
s_save_.imbue( a9_save_ );
|
||||
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_;
|
||||
::std::locale const a9_save_;
|
||||
};
|
||||
|
||||
class ios_all_word_saver
|
||||
{
|
||||
public:
|
||||
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()
|
||||
{
|
||||
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_;
|
||||
};
|
||||
|
||||
|
||||
} // namespace io
|
||||
} // namespace boost
|
||||
|
||||
|
||||
#endif // BOOST_IO_IOS_STATE_HPP
|
||||
68
include/boost/io_fwd.hpp
Normal file
68
include/boost/io_fwd.hpp
Normal file
@ -0,0 +1,68 @@
|
||||
// Boost io_fwd.hpp header file --------------------------------------------//
|
||||
|
||||
// (C) Copyright boost.org 2002. Permission to copy, use, modify, sell and
|
||||
// distribute this software is granted provided this copyright notice appears
|
||||
// in all copies. This software is provided "as is" without express or
|
||||
// implied warranty, and with no claim as to its suitability for any purpose.
|
||||
|
||||
// See http://www.boost.org for most recent version including documentation.
|
||||
|
||||
#ifndef BOOST_IO_FWD_HPP
|
||||
#define BOOST_IO_FWD_HPP
|
||||
|
||||
#include <iosfwd> // for std::char_traits (declaration)
|
||||
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace io
|
||||
{
|
||||
|
||||
|
||||
// From <boost/io/ios_state.hpp> -------------------------------------------//
|
||||
|
||||
class ios_flags_saver;
|
||||
class ios_precision_saver;
|
||||
class ios_width_saver;
|
||||
class ios_base_all_saver;
|
||||
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_iostate_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_exception_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_tie_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_rdbuf_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_fill_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_locale_saver;
|
||||
template < typename Ch, class Tr = ::std::char_traits<Ch> >
|
||||
class basic_ios_all_saver;
|
||||
|
||||
typedef basic_ios_iostate_saver<char> ios_iostate_saver;
|
||||
typedef basic_ios_iostate_saver<wchar_t> wios_iostate_saver;
|
||||
typedef basic_ios_exception_saver<char> ios_exception_saver;
|
||||
typedef basic_ios_exception_saver<wchar_t> wios_exception_saver;
|
||||
typedef basic_ios_tie_saver<char> ios_tie_saver;
|
||||
typedef basic_ios_tie_saver<wchar_t> wios_tie_saver;
|
||||
typedef basic_ios_rdbuf_saver<char> ios_rdbuf_saver;
|
||||
typedef basic_ios_rdbuf_saver<wchar_t> wios_rdbuf_saver;
|
||||
typedef basic_ios_fill_saver<char> ios_fill_saver;
|
||||
typedef basic_ios_fill_saver<wchar_t> wios_fill_saver;
|
||||
typedef basic_ios_locale_saver<char> ios_locale_saver;
|
||||
typedef basic_ios_locale_saver<wchar_t> wios_locale_saver;
|
||||
typedef basic_ios_all_saver<char> ios_all_saver;
|
||||
typedef basic_ios_all_saver<wchar_t> wios_all_saver;
|
||||
|
||||
class ios_iword_saver;
|
||||
class ios_pword_saver;
|
||||
class ios_all_word_saver;
|
||||
|
||||
|
||||
} // namespace io
|
||||
} // namespace boost
|
||||
|
||||
|
||||
#endif // BOOST_IO_FWD_HPP
|
||||
Reference in New Issue
Block a user