basic_ios.tcc
Go to the documentation of this file.00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035 #ifndef _BASIC_IOS_TCC
00036 #define _BASIC_IOS_TCC 1
00037
00038 #pragma GCC system_header
00039
00040 namespace std
00041 {
00042 template<typename _CharT, typename _Traits>
00043 void
00044 basic_ios<_CharT, _Traits>::clear(iostate __state)
00045 {
00046 if (this->rdbuf())
00047 _M_streambuf_state = __state;
00048 else
00049 _M_streambuf_state = __state | badbit;
00050 if (this->exceptions() & this->rdstate())
00051 __throw_ios_failure(__N("basic_ios::clear"));
00052 }
00053
00054 template<typename _CharT, typename _Traits>
00055 basic_streambuf<_CharT, _Traits>*
00056 basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
00057 {
00058 basic_streambuf<_CharT, _Traits>* __old = _M_streambuf;
00059 _M_streambuf = __sb;
00060 this->clear();
00061 return __old;
00062 }
00063
00064 template<typename _CharT, typename _Traits>
00065 basic_ios<_CharT, _Traits>&
00066 basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
00067 {
00068
00069
00070 if (this != &__rhs)
00071 {
00072
00073
00074
00075
00076 _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
00077 _M_local_word : new _Words[__rhs._M_word_size];
00078
00079
00080 _Callback_list* __cb = __rhs._M_callbacks;
00081 if (__cb)
00082 __cb->_M_add_reference();
00083 _M_call_callbacks(erase_event);
00084 if (_M_word != _M_local_word)
00085 {
00086 delete [] _M_word;
00087 _M_word = 0;
00088 }
00089 _M_dispose_callbacks();
00090
00091
00092 _M_callbacks = __cb;
00093 for (int __i = 0; __i < __rhs._M_word_size; ++__i)
00094 __words[__i] = __rhs._M_word[__i];
00095 _M_word = __words;
00096 _M_word_size = __rhs._M_word_size;
00097
00098 this->flags(__rhs.flags());
00099 this->width(__rhs.width());
00100 this->precision(__rhs.precision());
00101 this->tie(__rhs.tie());
00102 this->fill(__rhs.fill());
00103 _M_ios_locale = __rhs.getloc();
00104 _M_cache_locale(_M_ios_locale);
00105
00106 _M_call_callbacks(copyfmt_event);
00107
00108
00109 this->exceptions(__rhs.exceptions());
00110 }
00111 return *this;
00112 }
00113
00114 template<typename _CharT, typename _Traits>
00115 char
00116 basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
00117 { return __check_facet(_M_ctype).narrow(__c, __dfault); }
00118
00119 template<typename _CharT, typename _Traits>
00120 _CharT
00121 basic_ios<_CharT, _Traits>::widen(char __c) const
00122 { return __check_facet(_M_ctype).widen(__c); }
00123
00124
00125 template<typename _CharT, typename _Traits>
00126 locale
00127 basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
00128 {
00129 locale __old(this->getloc());
00130 ios_base::imbue(__loc);
00131 _M_cache_locale(__loc);
00132 if (this->rdbuf() != 0)
00133 this->rdbuf()->pubimbue(__loc);
00134 return __old;
00135 }
00136
00137 template<typename _CharT, typename _Traits>
00138 void
00139 basic_ios<_CharT, _Traits>::init(basic_streambuf<_CharT, _Traits>* __sb)
00140 {
00141
00142 ios_base::_M_init();
00143
00144
00145 _M_cache_locale(_M_ios_locale);
00146
00147
00148
00149
00150
00151
00152
00153
00154
00155
00156
00157
00158
00159 _M_fill = _CharT();
00160 _M_fill_init = false;
00161
00162 _M_tie = 0;
00163 _M_exception = goodbit;
00164 _M_streambuf = __sb;
00165 _M_streambuf_state = __sb ? goodbit : badbit;
00166 }
00167
00168 template<typename _CharT, typename _Traits>
00169 void
00170 basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
00171 {
00172 if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
00173 _M_ctype = &use_facet<__ctype_type>(__loc);
00174 else
00175 _M_ctype = 0;
00176
00177 if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
00178 _M_num_put = &use_facet<__num_put_type>(__loc);
00179 else
00180 _M_num_put = 0;
00181
00182 if (__builtin_expect(has_facet<__num_get_type>(__loc), true))
00183 _M_num_get = &use_facet<__num_get_type>(__loc);
00184 else
00185 _M_num_get = 0;
00186 }
00187
00188
00189
00190
00191 #if _GLIBCXX_EXTERN_TEMPLATE
00192 extern template class basic_ios<char>;
00193
00194 #ifdef _GLIBCXX_USE_WCHAR_T
00195 extern template class basic_ios<wchar_t>;
00196 #endif
00197 #endif
00198 }
00199
00200 #endif