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Magazyn Internet 2000 May
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MICD_2000_05.iso
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CBuilder5
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INSTALL
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DATA1.CAB
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Program_Built_Files
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Include
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ios.h
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#ifndef __IOS_H
#define __IOS_H
#pragma option push -b -a8 -pc -Vx- -Ve- -w-inl -w-aus -w-sig
// -*- C++ -*-
#ifndef __STD_IOS__
#define __STD_IOS__
/***************************************************************************
*
* ios - Declarations for the Standard Library basic stream I/O
*
***************************************************************************
*
* Copyright (c) 1994-1999 Rogue Wave Software, Inc. All Rights Reserved.
*
* This computer software is owned by Rogue Wave Software, Inc. and is
* protected by U.S. copyright laws and other laws and by international
* treaties. This computer software is furnished by Rogue Wave Software,
* Inc. pursuant to a written license agreement and may be used, copied,
* transmitted, and stored only in accordance with the terms of such
* license and with the inclusion of the above copyright notice. This
* computer software or any other copies thereof may not be provided or
* otherwise made available to any other person.
*
* U.S. Government Restricted Rights. This computer software is provided
* with Restricted Rights. Use, duplication, or disclosure by the
* Government is subject to restrictions as set forth in subparagraph (c)
* (1) (ii) of The Rights in Technical Data and Computer Software clause
* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
* Commercial Computer Software û Restricted Rights at 48 CFR 52.227-19,
* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
* Flatiron Parkway, Boulder, Colorado 80301 USA.
*
**************************************************************************/
#include <stdcomp.h>
#include <rw/rwstderr.h> // error messages
#include <rw/rwlocale> // locale class
#include <rw/ctype> // facets
#include <rw/codecvt> // code coversion facet
#include <rw/numeral> // numeric facet
#include <rw/vendor> // standard xxx_byname facets & vendor-defined extensions
#include <rw/usefacet> // usefacet and hasfacet
#ifndef _RWSTD_NO_NAMESPACE
namespace __rwstd {
#endif
#ifdef _RWSTD_LOCALIZED_ERRORS
extern const unsigned int _RWSTDExport rwse_failbit_set;
extern const unsigned int _RWSTDExport rwse_badbit_set;
extern const unsigned int _RWSTDExport rwse_eofbit_set;
#else
extern const char _RWSTDExportFunc(*) rwse_failbit_set;
extern const char _RWSTDExportFunc(*) rwse_badbit_set;
extern const char _RWSTDExportFunc(*) rwse_eofbit_set;
#endif // _RWSTD_LOCALIZED_ERRORS
#ifndef _RWSTD_NO_NAMESPACE
}
namespace std {
#endif
/*
* Class basic_ios
*/
template<class charT, class traits>
class _RWSTDExportTemplate basic_ios : public ios_base
{
public:
//
// Types:
//
typedef _TYPENAME traits::char_type char_type;
typedef _TYPENAME traits::int_type int_type;
typedef _TYPENAME traits::pos_type pos_type;
typedef _TYPENAME traits::off_type off_type;
typedef traits traits_type;
typedef basic_ios<charT, traits> ios_type;
typedef basic_streambuf<charT, traits> streambuf_type;
typedef basic_ostream<charT, traits> ostream_type;
inline operator void*() const;
inline bool operator! () const;
inline iostate rdstate() const;
inline void clear(iostate state = goodbit);
inline void setstate(iostate state);
inline bool good() const;
inline bool eof() const;
inline bool fail() const;
inline bool bad() const;
inline iostate exceptions() const;
inline void exceptions(iostate excpt);
_EXPLICIT basic_ios(basic_streambuf<charT, traits> *sb_arg);
virtual ~basic_ios();
inline ostream_type *tie() const;
ostream_type *tie(ostream_type *tie_arg);
inline streambuf_type *rdbuf() const;
streambuf_type *rdbuf( streambuf_type *sb);
ios_type& copyfmt(const ios_type& rhs);
char_type fill() const
{
return __fillch;
}
char_type fill(char_type ch)
{
#ifdef _RWSTD_MULTI_THREAD
_RWSTDGuard guard(this->__stream_mutex);
#endif
char_type temp = __fillch;
__fillch = ch;
return temp;
}
locale imbue(const locale& loc);
inline char narrow(charT, char) const;
inline charT widen(char) const;
protected:
basic_ios();
basic_ios(int) : ios_base(1) {} // empty contructor for creating unitialized stream
void init(basic_streambuf<charT, traits> *sb);
inline void _RW_UNSAFE_clear(iostate state = goodbit);
private:
basic_ios(const basic_ios& ); // not defined
basic_ios& operator=(const basic_ios&); // not defined
streambuf_type *__sb;
ostream_type *__tiestr;
char_type __fillch;
iostate __state;
iostate _Except;
};
/*
* basic_streambuf *rdbuf() const
*/
template<class charT, class traits>
inline basic_streambuf<charT, traits> *
basic_ios<charT, traits>::rdbuf() const
{
return __sb;
}
/*
* basic_ostream *tie() const
*/
template<class charT, class traits>
inline basic_ostream<charT, traits> *
basic_ios<charT, traits>::tie() const
{
return __tiestr;
}
/*
* void exceptions(iostate)
*/
template<class charT, class traits>
inline void
basic_ios<charT, traits>::exceptions(ios_base::iostate st)
{
#ifdef _RWSTD_MULTI_THREAD
_RWSTDGuard guard(this->__stream_mutex);
#endif
_Except = st;
#ifdef _RWSTD_MULTI_THREAD
_RW_UNSAFE_clear(rdstate());
#else
clear(rdstate());
#endif // _RWSTD_MULTI_THREAD
}
/*
* iostate exceptions() const
*/
template<class charT, class traits>
inline ios_base::iostate
basic_ios<charT, traits>::exceptions() const
{
return _Except;
}
/*
* void clear(iostate )
*/
template<class charT, class traits>
inline void
basic_ios<charT, traits>::clear(iostate st)
{
#ifdef _RWSTD_MULTI_THREAD
_RWSTDGuard guard(this->__stream_mutex);
#endif
_RW_UNSAFE_clear(st);
}
/*
* void setstate(iostate)
*/
template<class charT, class traits>
inline void
basic_ios<charT, traits>::setstate(iostate st)
{
#ifdef _RWSTD_MULTI_THREAD
_RWSTDGuard guard(this->__stream_mutex);
#endif // _RWSTD_MULTI_THREAD
#ifdef _RWSTD_MULTI_THREAD
_RW_UNSAFE_clear(__state | st);
#else
clear(__state | st);
#endif // _RWSTD_MULTI_THREAD
}
/*
* iostate rdstate() const
*/
template<class charT, class traits>
inline ios_base::iostate
basic_ios<charT, traits>::rdstate() const
{
return __state;
}
/*
* operator bool() const
*/
template<class charT, class traits>
inline basic_ios<charT, traits>::operator void*() const
{
return fail() ? (void*)0 : (void*)1;
}
/*
* bool operator!() const
*/
template<class charT, class traits>
inline bool
basic_ios<charT, traits>::operator!() const
{
return fail();
}
/*
* bool good() const
*/
template<class charT, class traits>
inline bool
basic_ios<charT, traits>::good() const
{
return (__state == ios_base::goodbit);
}
/*
* bool eof() const
*/
template<class charT, class traits>
inline bool
basic_ios<charT, traits>::eof() const
{
return (__state & ios_base::eofbit);
}
/*
* bool fail() const
*/
template<class charT, class traits>
inline bool
basic_ios<charT, traits>::fail() const
{
return (__state & (ios_base::failbit | ios_base::badbit));
}
/*
* bool bad() const
*/
template<class charT, class traits>
inline bool
basic_ios<charT, traits>::bad() const
{
return (__state & ios_base::badbit);
}
/*
* void _RW_UNSAFE_clear(iostate )
*/
template<class charT, class traits>
inline void
basic_ios<charT, traits>::_RW_UNSAFE_clear(iostate st)
{
if ( !__sb )
{
st |= ios_base::badbit;
__state |= ios_base::badbit;
}
__state = st;
if( rdstate() & exceptions() )
{
#ifdef _RW_STD_EXCEPT
#ifndef _RWSTD_NO_EXCEPTIONS
if ( rdstate() & exceptions() & ios_base::failbit )
{
__state=st;
throw ios_base::failure( string(__RWSTD::except_msg_string(__RWSTD::rwse_failbit_set).msgstr()) );
}
if ( rdstate() & exceptions() & ios_base::badbit )
{
__state=st;
throw ios_base::failure( string(__RWSTD::except_msg_string(__RWSTD::rwse_badbit_set).msgstr()) );
}
if ( rdstate() & exceptions() & ios_base::eofbit )
{
__state=st;
throw ios_base::failure( string(__RWSTD::except_msg_string(__RWSTD::rwse_eofbit_set).msgstr()) );
}
#endif // _RWSTD_NO_EXCEPTIONS
#endif // _RW_STD_EXCEPT
}
}
/*
* char narrow(charT, char) const
*/
template<class charT, class traits>
inline char
basic_ios<charT, traits>::narrow(charT c, char dfault) const
{
#ifndef _RWSTD_NO_TEMPLATE_ON_RETURN_TYPE
return use_facet< ctype<charT> >(getloc()).narrow(c,dfault);
#else
return use_facet(getloc(),(ctype<charT>*)0).narrow(c,dfault);
#endif
}
/*
* charT widen(char) const
*/
template<class charT, class traits>
inline charT
basic_ios<charT, traits>::widen(char c) const
{
#ifndef _RWSTD_NO_TEMPLATE_ON_RETURN_TYPE
return use_facet< ctype<charT> >(getloc()).widen(c);
#else
return use_facet(getloc(),(ctype<charT>*)0).widen(c);
#endif
}
#ifndef _RWSTD_NO_COMPLEX_DEFAULT_TEMPLATES
typedef basic_ios<char> ios;
#else
typedef basic_ios<char, char_traits<char> > ios;
#endif
#ifndef _RWSTD_NO_WIDE_CHAR
#ifndef _RWSTD_NO_COMPLEX_DEFAULT_TEMPLATES
typedef basic_ios<wchar_t> wios;
#else
typedef basic_ios<wchar_t, char_traits<wchar_t> > wios;
#endif // _RWSTD_NO_COMPLEX_DEFAULT_TEMPLATES
#endif // _RWSTD_NO_WIDE_CHAR
/*
* external declarations for manipulators
*/
#ifdef _RWSTD_MULTI_THREAD
template <class charT, class traits>
basic_ios<charT,traits>& __lock(basic_ios<charT,traits>&);
template <class charT, class traits>
basic_ios<charT,traits>& __unlock(basic_ios<charT,traits>&);
#endif // _RWSTD_MULTI_THREAD
#ifndef _RWSTD_NO_NAMESPACE
}
#endif
#ifdef _RWSTD_COMPILE_INSTANTIATE
#include <ios.cc>
#endif // _RWSTD_COMPILE_INSTANTIATE
#endif // __STD_IOS_
#ifndef __USING_STD_NAMES__
using namespace std;
#endif
#pragma option pop
#endif /* __IOS_H */