1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 # ifndef _STLP_INTERNAL_IOSFWD

    18 #  define _STLP_INTERNAL_IOSFWD

    19 

    20 #if defined(__sgi) && !defined(__GNUC__) && !defined(_STANDARD_C_PLUS_PLUS)

    21 #error This header file requires the -LANG:std option

    22 #endif

    23 

    24 // This file provides forward declarations of the most important I/O

    25 // classes.  Note that almost all of those classes are class templates,

    26 // with default template arguments.  According to the C++ standard, 

    27 // if a class template is declared more than once in the same scope

    28 // then only one of those declarations may have default arguments.  

    29 

    30 // <iosfwd> contains the same declarations as other headers, and including

    31 // both <iosfwd> and (say) <iostream> is permitted.  This means that only

    32 // one header may contain those default template arguments.

    33 

    34 // In this implementation, the declarations in <iosfwd> contain default

    35 // template arguments.  All of the other I/O headers include <iosfwd>.

    36 

    37 #ifndef _STLP_CHAR_TRAITS_H

    38 # include <stl/char_traits.h>

    39 #endif

    40 

    41 _STLP_BEGIN_NAMESPACE

    42 

    43 class _STLP_CLASS_DECLSPEC ios_base;

    44 

    45 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    46 class basic_ios;

    47 

    48 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    49 class basic_streambuf;

    50 

    51 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    52 class basic_istream;

    53 

    54 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    55 class basic_ostream;

    56 

    57 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    58 class basic_iostream;

    59 

    60 template <class _CharT, __DFL_TMPL_PARAM( _Traits , char_traits<_CharT>),

    61           __DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) >

    62 class basic_stringbuf;

    63 

    64 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>),

    65           __DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) >

    66 class basic_istringstream;

    67 

    68 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>),

    69           __DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) >

    70 class basic_ostringstream;

    71 

    72 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>),

    73           __DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) >

    74 class basic_stringstream;

    75 

    76 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    77 class basic_filebuf;

    78 

    79 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    80 class basic_ifstream;

    81 

    82 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    83 class basic_ofstream;

    84 

    85 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    86 class basic_fstream;

    87 

    88 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    89 class istreambuf_iterator;

    90 

    91 template <class _CharT, __DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) >

    92 class ostreambuf_iterator;

    93 

    94 typedef basic_ios<char, char_traits<char> >    ios;

    95 

    96 # ifndef _STLP_NO_WCHAR_T

    97 typedef basic_ios<wchar_t, char_traits<wchar_t> > wios;

    98 # endif

    99 

   100 // Forward declaration of class locale, and of the most important facets.

   101 class locale;

   102 # ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS

   103 template <class _Facet>

   104 struct _Use_facet {

   105   const locale& __loc;

   106   _Use_facet(const locale& __p_loc) : __loc(__p_loc) {}

   107   inline const _Facet& operator *() const;

   108 };

   109 # define use_facet *_Use_facet

   110 # else

   111 template <class _Facet> inline const _Facet& use_facet(const locale&);

   112 # endif

   113 

   114 template <class _CharT> class ctype;

   115 template <class _CharT> class ctype_byname;

   116 template <class _CharT> class collate;

   117 template <class _CharT> class collate_byname;

   118 

   119 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC ctype<char>;

   120 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC ctype_byname<char>;

   121 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC collate<char>;

   122 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC collate_byname<char>;

   123 

   124 #  ifndef _STLP_NO_WCHAR_T

   125 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC ctype<wchar_t>;

   126 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC ctype_byname<wchar_t>;

   127 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC collate<wchar_t>;

   128 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>;

   129 #  endif

   130 

   131 # if !(defined (__SUNPRO_CC) && __SUNPRO_CC < 0x500 ) && !defined(_STLP_WINCE)

   132 // Typedefs for ordinary (narrow-character) streams.

   133 _STLP_TEMPLATE_NULL class _STLP_CLASS_DECLSPEC basic_streambuf<char, char_traits<char> >;

   134 # endif

   135 

   136 typedef basic_istream<char, char_traits<char> >   istream;

   137 typedef basic_ostream<char, char_traits<char> >   ostream;

   138 typedef basic_iostream<char, char_traits<char> >  iostream;

   139 typedef basic_streambuf<char,char_traits<char> > streambuf;

   140 

   141 typedef basic_stringbuf<char, char_traits<char>, allocator<char> >     stringbuf;

   142 typedef basic_istringstream<char, char_traits<char>, allocator<char> > istringstream;

   143 typedef basic_ostringstream<char, char_traits<char>, allocator<char> > ostringstream;

   144 typedef basic_stringstream<char, char_traits<char>, allocator<char> >  stringstream;

   145 

   146 typedef basic_filebuf<char, char_traits<char> >  filebuf;

   147 typedef basic_ifstream<char, char_traits<char> > ifstream;

   148 typedef basic_ofstream<char, char_traits<char> > ofstream;

   149 typedef basic_fstream<char, char_traits<char> >  fstream;

   150 

   151 # ifndef _STLP_NO_WCHAR_T

   152 // Typedefs for wide-character streams.

   153 typedef basic_streambuf<wchar_t, char_traits<wchar_t> > wstreambuf;

   154 typedef basic_istream<wchar_t, char_traits<wchar_t> >   wistream;

   155 typedef basic_ostream<wchar_t, char_traits<wchar_t> >   wostream;

   156 typedef basic_iostream<wchar_t, char_traits<wchar_t> >  wiostream;

   157 

   158 typedef basic_stringbuf<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >     wstringbuf;

   159 typedef basic_istringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wistringstream;

   160 typedef basic_ostringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wostringstream;

   161 typedef basic_stringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >  wstringstream;

   162 

   163 typedef basic_filebuf<wchar_t, char_traits<wchar_t> >  wfilebuf;

   164 typedef basic_ifstream<wchar_t, char_traits<wchar_t> > wifstream;

   165 typedef basic_ofstream<wchar_t, char_traits<wchar_t> > wofstream;

   166 typedef basic_fstream<wchar_t, char_traits<wchar_t> >  wfstream;

   167 # endif

   168 

   169 _STLP_END_NAMESPACE

   170 

   171 #endif

   172 

   173 // Local Variables:

   174 // mode:C++

   175 // End: