1 #ifndef _STLP_INTERNAL_IOSFWD 2 #define _STLP_INTERNAL_IOSFWD 3 4 #if defined (__sgi) && !defined (__GNUC__) && !defined (_STANDARD_C_PLUS_PLUS) 5 # error This header file requires the -LANG:std option 6 #endif 7 8 // This file provides forward declarations of the most important I/O 9 // classes. Note that almost all of those classes are class templates, 10 // with default template arguments. According to the C++ standard, 11 // if a class template is declared more than once in the same scope 12 // then only one of those declarations may have default arguments. 13 14 // <iosfwd> contains the same declarations as other headers, and including 15 // both <iosfwd> and (say) <iostream> is permitted. This means that only 16 // one header may contain those default template arguments. 17 18 // In this implementation, the declarations in <iosfwd> contain default 19 // template arguments. All of the other I/O headers include <iosfwd>. 20 21 #ifndef _STLP_CHAR_TRAITS_H 22 # include <stl/char_traits.h> 23 #endif 24 25 _STLP_BEGIN_NAMESPACE 26 27 class ios_base; 28 29 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 30 class basic_ios; 31 32 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 33 class basic_streambuf; 34 35 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 36 class basic_istream; 37 38 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 39 class basic_ostream; 40 41 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 42 class basic_iostream; 43 44 template <class _CharT, _STLP_DFL_TMPL_PARAM( _Traits , char_traits<_CharT>), 45 _STLP_DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) > 46 class basic_stringbuf; 47 48 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>), 49 _STLP_DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) > 50 class basic_istringstream; 51 52 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>), 53 _STLP_DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) > 54 class basic_ostringstream; 55 56 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>), 57 _STLP_DFL_TMPL_PARAM(_Allocator , allocator<_CharT>) > 58 class basic_stringstream; 59 60 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 61 class basic_filebuf; 62 63 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 64 class basic_ifstream; 65 66 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 67 class basic_ofstream; 68 69 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 70 class basic_fstream; 71 72 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 73 class istreambuf_iterator; 74 75 template <class _CharT, _STLP_DFL_TMPL_PARAM(_Traits , char_traits<_CharT>) > 76 class ostreambuf_iterator; 77 78 typedef basic_ios<char, char_traits<char> > ios; 79 80 #if !defined (_STLP_NO_WCHAR_T) 81 typedef basic_ios<wchar_t, char_traits<wchar_t> > wios; 82 #endif 83 84 // Forward declaration of class locale, and of the most important facets. 85 class locale; 86 template <class _Facet> 87 #if defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS) 88 struct _Use_facet { 89 const locale& __loc; 90 _Use_facet(const locale& __p_loc) : __loc(__p_loc) {} 91 inline const _Facet& operator *() const; 92 }; 93 # define use_facet *_Use_facet 94 #else 95 inline const _Facet& use_facet(const locale&); 96 #endif 97 98 template <class _CharT> class ctype; 99 template <class _CharT> class ctype_byname; 100 template <class _CharT> class collate; 101 template <class _CharT> class collate_byname; 102 103 _STLP_TEMPLATE_NULL class ctype<char>; 104 _STLP_TEMPLATE_NULL class ctype_byname<char>; 105 _STLP_TEMPLATE_NULL class collate<char>; 106 _STLP_TEMPLATE_NULL class collate_byname<char>; 107 108 #if !defined (_STLP_NO_WCHAR_T) 109 _STLP_TEMPLATE_NULL class ctype<wchar_t>; 110 _STLP_TEMPLATE_NULL class ctype_byname<wchar_t>; 111 _STLP_TEMPLATE_NULL class collate<wchar_t>; 112 _STLP_TEMPLATE_NULL class collate_byname<wchar_t>; 113 #endif 114 115 #if !(defined (__SUNPRO_CC) && __SUNPRO_CC < 0x500 ) 116 // Typedefs for ordinary (narrow-character) streams. 117 //_STLP_TEMPLATE_NULL class basic_streambuf<char, char_traits<char> >; 118 #endif 119 120 typedef basic_istream<char, char_traits<char> > istream; 121 typedef basic_ostream<char, char_traits<char> > ostream; 122 typedef basic_iostream<char, char_traits<char> > iostream; 123 typedef basic_streambuf<char,char_traits<char> > streambuf; 124 125 typedef basic_stringbuf<char, char_traits<char>, allocator<char> > stringbuf; 126 typedef basic_istringstream<char, char_traits<char>, allocator<char> > istringstream; 127 typedef basic_ostringstream<char, char_traits<char>, allocator<char> > ostringstream; 128 typedef basic_stringstream<char, char_traits<char>, allocator<char> > stringstream; 129 130 typedef basic_filebuf<char, char_traits<char> > filebuf; 131 typedef basic_ifstream<char, char_traits<char> > ifstream; 132 typedef basic_ofstream<char, char_traits<char> > ofstream; 133 typedef basic_fstream<char, char_traits<char> > fstream; 134 135 #if !defined (_STLP_NO_WCHAR_T) 136 // Typedefs for wide-character streams. 137 typedef basic_streambuf<wchar_t, char_traits<wchar_t> > wstreambuf; 138 typedef basic_istream<wchar_t, char_traits<wchar_t> > wistream; 139 typedef basic_ostream<wchar_t, char_traits<wchar_t> > wostream; 140 typedef basic_iostream<wchar_t, char_traits<wchar_t> > wiostream; 141 142 typedef basic_stringbuf<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstringbuf; 143 typedef basic_istringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wistringstream; 144 typedef basic_ostringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wostringstream; 145 typedef basic_stringstream<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstringstream; 146 147 typedef basic_filebuf<wchar_t, char_traits<wchar_t> > wfilebuf; 148 typedef basic_ifstream<wchar_t, char_traits<wchar_t> > wifstream; 149 typedef basic_ofstream<wchar_t, char_traits<wchar_t> > wofstream; 150 typedef basic_fstream<wchar_t, char_traits<wchar_t> > wfstream; 151 #endif 152 153 _STLP_END_NAMESPACE 154 155 #endif 156 157 // Local Variables: 158 // mode:C++ 159 // End: 160
