1.1 --- a/epoc32/include/stdapis/stlport/stl/_istreambuf_iterator.h Tue Mar 16 16:12:26 2010 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,169 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 1999
1.6 - * Silicon Graphics Computer Systems, Inc.
1.7 - *
1.8 - * Copyright (c) 1999
1.9 - * Boris Fomitchev
1.10 - *
1.11 - * This material is provided "as is", with absolutely no warranty expressed
1.12 - * or implied. Any use is at your own risk.
1.13 - *
1.14 - * Permission to use or copy this software for any purpose is hereby granted
1.15 - * without fee, provided the above notices are retained on all copies.
1.16 - * Permission to modify the code and to distribute modified code is granted,
1.17 - * provided the above notices are retained, and a notice that the code was
1.18 - * modified is included with the above copyright notice.
1.19 - *
1.20 - */
1.21 -// WARNING: This is an internal header file, included by other C++
1.22 -// standard library headers. You should not attempt to use this header
1.23 -// file directly.
1.24 -
1.25 -
1.26 -#ifndef _STLP_INTERNAL_ISTREAMBUF_ITERATOR_H
1.27 -#define _STLP_INTERNAL_ISTREAMBUF_ITERATOR_H
1.28 -
1.29 -#ifndef _STLP_INTERNAL_ITERATOR_BASE_H
1.30 -# include <stl/_iterator_base.h>
1.31 -#endif
1.32 -
1.33 -#ifndef _STLP_INTERNAL_STREAMBUF
1.34 -# include <stl/_streambuf.h>
1.35 -#endif
1.36 -
1.37 -_STLP_BEGIN_NAMESPACE
1.38 -
1.39 -// defined in _istream.h
1.40 -template <class _CharT, class _Traits>
1.41 -extern basic_streambuf<_CharT, _Traits>* _STLP_CALL _M_get_istreambuf(basic_istream<_CharT, _Traits>& ) ;
1.42 -
1.43 -// We do not read any characters until operator* is called. operator* calls sgetc
1.44 -// unless the iterator is unchanged from the last call in which case a cached value is
1.45 -// used. Calls to operator++ use sbumpc.
1.46 -
1.47 -template<class _CharT, class _Traits>
1.48 -class istreambuf_iterator
1.49 -{
1.50 -public:
1.51 - typedef _CharT char_type;
1.52 - typedef _Traits traits_type;
1.53 - typedef typename _Traits::int_type int_type;
1.54 - typedef basic_streambuf<_CharT, _Traits> streambuf_type;
1.55 - typedef basic_istream<_CharT, _Traits> istream_type;
1.56 -
1.57 - typedef input_iterator_tag iterator_category;
1.58 - typedef _CharT value_type;
1.59 - typedef typename _Traits::off_type difference_type;
1.60 - typedef const _CharT* pointer;
1.61 - typedef const _CharT& reference;
1.62 -
1.63 -public:
1.64 - istreambuf_iterator(streambuf_type* __p = 0) { this->_M_init(__p); }
1.65 - // istreambuf_iterator(basic_istream<_CharT, _Traits>& __is) { this->_M_init(_M_get_istreambuf(__is)); }
1.66 - inline istreambuf_iterator(basic_istream<_CharT, _Traits>& __is);
1.67 -
1.68 - char_type operator*() const { this->_M_getc(); return _M_c; }
1.69 - istreambuf_iterator<_CharT, _Traits>& operator++() { this->_M_bumpc(); return *this; }
1.70 - istreambuf_iterator<_CharT, _Traits> operator++(int);
1.71 -
1.72 - bool equal(const istreambuf_iterator<_CharT, _Traits>& __i) const {
1.73 - if (this->_M_buf)
1.74 - this->_M_getc();
1.75 - if (__i._M_buf)
1.76 - __i._M_getc();
1.77 - return this->_M_eof == __i._M_eof;
1.78 - }
1.79 -
1.80 -private:
1.81 - void _M_init(streambuf_type* __p) {
1.82 - _M_buf = __p;
1.83 - _M_eof = !__p;
1.84 - // _M_is_initialized = _M_eof;
1.85 - _M_have_c = false;
1.86 - }
1.87 -
1.88 - void _M_getc() const {
1.89 - if (_M_have_c)
1.90 - return;
1.91 - int_type __c = _M_buf->sgetc();
1.92 -# if !defined (_STLP_NEED_MUTABLE) /* && ! defined (__SUNPRO_CC) */
1.93 - _M_c = traits_type::to_char_type(__c);
1.94 - _M_eof = traits_type::eq_int_type(__c, traits_type::eof());
1.95 - _M_have_c = true;
1.96 -# else
1.97 - typedef istreambuf_iterator<_CharT,_Traits> _Self;
1.98 - _Self* __that = __CONST_CAST(_Self*, this);
1.99 - __that->_M_c = __STATIC_CAST(_CharT, traits_type::to_char_type(__c));
1.100 - __that->_M_eof = traits_type::eq_int_type(__c, traits_type::eof());
1.101 - __that->_M_have_c = true;
1.102 -# endif
1.103 - }
1.104 -
1.105 - int_type _M_bumpc() {
1.106 - int_type ch = _M_buf->sbumpc();
1.107 - _M_have_c = false;
1.108 - return ch;
1.109 - }
1.110 -
1.111 -private:
1.112 - streambuf_type* _M_buf;
1.113 - mutable _CharT _M_c;
1.114 - mutable unsigned char _M_eof;
1.115 - mutable unsigned char _M_have_c;
1.116 -};
1.117 -
1.118 -template<class _CharT, class _Traits>
1.119 -inline istreambuf_iterator<_CharT, _Traits>::istreambuf_iterator(basic_istream<_CharT, _Traits>& __is)
1.120 -{ this->_M_init(_M_get_istreambuf(__is)); }
1.121 -
1.122 -template<class _CharT, class _Traits>
1.123 -inline bool _STLP_CALL operator==(const istreambuf_iterator<_CharT, _Traits>& __x,
1.124 - const istreambuf_iterator<_CharT, _Traits>& __y) {
1.125 - return __x.equal(__y);
1.126 -}
1.127 -
1.128 -#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
1.129 -
1.130 -template<class _CharT, class _Traits>
1.131 -inline bool _STLP_CALL operator!=(const istreambuf_iterator<_CharT, _Traits>& __x,
1.132 - const istreambuf_iterator<_CharT, _Traits>& __y) {
1.133 - return !__x.equal(__y);
1.134 -}
1.135 -
1.136 -#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
1.137 -
1.138 -# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.139 -_STLP_EXPORT_TEMPLATE_CLASS istreambuf_iterator<char, char_traits<char> >;
1.140 -# if defined (INSTANTIATE_WIDE_STREAMS)
1.141 -_STLP_EXPORT_TEMPLATE_CLASS istreambuf_iterator<wchar_t, char_traits<wchar_t> >;
1.142 -# endif
1.143 -# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.144 -
1.145 -# ifdef _STLP_USE_OLD_HP_ITERATOR_QUERIES
1.146 -template <class _CharT, class _Traits>
1.147 -inline input_iterator_tag _STLP_CALL iterator_category(const istreambuf_iterator<_CharT, _Traits>&) { return input_iterator_tag(); }
1.148 -template <class _CharT, class _Traits>
1.149 -inline streamoff* _STLP_CALL
1.150 -distance_type(const istreambuf_iterator<_CharT, _Traits>&) { return (streamoff*)0; }
1.151 -template <class _CharT, class _Traits>
1.152 -inline _CharT* _STLP_CALL value_type(const istreambuf_iterator<_CharT, _Traits>&) { return (_CharT*)0; }
1.153 -# endif
1.154 -
1.155 -template <class _CharT, class _Traits>
1.156 -istreambuf_iterator<_CharT, _Traits>
1.157 -istreambuf_iterator<_CharT, _Traits>::operator++(int) {
1.158 - istreambuf_iterator<_CharT, _Traits> __tmp = *this;
1.159 - __tmp._M_c = this->_M_bumpc();
1.160 - __tmp._M_have_c = true;
1.161 - this->_M_have_c = false;
1.162 - return __tmp;
1.163 -}
1.164 -
1.165 -_STLP_END_NAMESPACE
1.166 -
1.167 -#endif /* _STLP_INTERNAL_ISTREAMBUF_ITERATOR_H */
1.168 -
1.169 -// Local Variables:
1.170 -// mode:C++
1.171 -// End:
1.172 -