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 _CPP_BITS_STREAMBUF_TCC
00036 #define _CPP_BITS_STREAMBUF_TCC 1
00037
00038 #pragma GCC system_header
00039
00040 namespace std
00041 {
00042 template<typename _CharT, typename _Traits>
00043 const size_t
00044 basic_streambuf<_CharT, _Traits>::_S_pback_size;
00045
00046 template<typename _CharT, typename _Traits>
00047 typename basic_streambuf<_CharT, _Traits>::int_type
00048 basic_streambuf<_CharT, _Traits>::
00049 sbumpc()
00050 {
00051 int_type __ret;
00052 if (_M_in_cur && _M_in_cur < _M_in_end)
00053 {
00054 char_type __c = *(this->gptr());
00055 _M_in_cur_move(1);
00056 __ret = traits_type::to_int_type(__c);
00057 }
00058 else
00059 __ret = this->uflow();
00060 return __ret;
00061 }
00062
00063 template<typename _CharT, typename _Traits>
00064 typename basic_streambuf<_CharT, _Traits>::int_type
00065 basic_streambuf<_CharT, _Traits>::
00066 sputbackc(char_type __c)
00067 {
00068 int_type __ret;
00069 bool __testpos = _M_in_cur && _M_in_beg < _M_in_cur;
00070 bool __testne = _M_in_cur && !traits_type::eq(__c, this->gptr()[-1]);
00071 if (!__testpos || __testne)
00072 __ret = this->pbackfail(traits_type::to_int_type(__c));
00073 else
00074 {
00075 _M_in_cur_move(-1);
00076 __ret = traits_type::to_int_type(*this->gptr());
00077 }
00078 return __ret;
00079 }
00080
00081 template<typename _CharT, typename _Traits>
00082 typename basic_streambuf<_CharT, _Traits>::int_type
00083 basic_streambuf<_CharT, _Traits>::
00084 sungetc()
00085 {
00086 int_type __ret;
00087 if (_M_in_cur && _M_in_beg < _M_in_cur)
00088 {
00089 _M_in_cur_move(-1);
00090 __ret = traits_type::to_int_type(*_M_in_cur);
00091 }
00092 else
00093 __ret = this->pbackfail();
00094 return __ret;
00095 }
00096
00097
00098
00099
00100
00101
00102 template<typename _CharT, typename _Traits>
00103 typename basic_streambuf<_CharT, _Traits>::int_type
00104 basic_streambuf<_CharT, _Traits>::
00105 sputc(char_type __c)
00106 {
00107 int_type __ret;
00108 if (_M_out_buf_size())
00109 {
00110 *_M_out_cur = __c;
00111 _M_out_cur_move(1);
00112 __ret = traits_type::to_int_type(__c);
00113 }
00114 else
00115 __ret = this->overflow(traits_type::to_int_type(__c));
00116 return __ret;
00117 }
00118
00119 template<typename _CharT, typename _Traits>
00120 streamsize
00121 basic_streambuf<_CharT, _Traits>::
00122 xsgetn(char_type* __s, streamsize __n)
00123 {
00124 streamsize __ret = 0;
00125 while (__ret < __n)
00126 {
00127 size_t __buf_len = _M_in_end - _M_in_cur;
00128 if (__buf_len > 0)
00129 {
00130 size_t __remaining = __n - __ret;
00131 size_t __len = min(__buf_len, __remaining);
00132 traits_type::copy(__s, _M_in_cur, __len);
00133 __ret += __len;
00134 __s += __len;
00135 _M_in_cur_move(__len);
00136 }
00137
00138 if (__ret < __n)
00139 {
00140 int_type __c = this->uflow();
00141 if (!traits_type::eq_int_type(__c, traits_type::eof()))
00142 {
00143 traits_type::assign(*__s++, traits_type::to_char_type(__c));
00144 ++__ret;
00145 }
00146 else
00147 break;
00148 }
00149 }
00150 return __ret;
00151 }
00152
00153
00154
00155
00156
00157
00158 template<typename _CharT, typename _Traits>
00159 streamsize
00160 basic_streambuf<_CharT, _Traits>::
00161 xsputn(const char_type* __s, streamsize __n)
00162 {
00163 streamsize __ret = 0;
00164 while (__ret < __n)
00165 {
00166 off_type __buf_len = _M_out_buf_size();
00167 if (__buf_len > 0)
00168 {
00169 off_type __remaining = __n - __ret;
00170 off_type __len = min(__buf_len, __remaining);
00171 traits_type::copy(_M_out_cur, __s, __len);
00172 __ret += __len;
00173 __s += __len;
00174 _M_out_cur_move(__len);
00175 }
00176
00177 if (__ret < __n)
00178 {
00179 int_type __c = this->overflow(traits_type::to_int_type(*__s));
00180 if (!traits_type::eq_int_type(__c, traits_type::eof()))
00181 {
00182 ++__ret;
00183 ++__s;
00184 }
00185 else
00186 break;
00187 }
00188 }
00189 return __ret;
00190 }
00191
00192
00193
00194
00195
00196 template<typename _CharT, typename _Traits>
00197 streamsize
00198 __copy_streambufs(basic_ios<_CharT, _Traits>& __ios,
00199 basic_streambuf<_CharT, _Traits>* __sbin,
00200 basic_streambuf<_CharT, _Traits>* __sbout)
00201 {
00202 typedef typename _Traits::int_type int_type;
00203
00204 streamsize __ret = 0;
00205 streamsize __bufsize = __sbin->in_avail();
00206 streamsize __xtrct;
00207 bool __testput = __sbout->_M_mode & ios_base::out;
00208 try
00209 {
00210 while (__testput && __bufsize != -1)
00211 {
00212 if (__bufsize != 0 && __sbin->gptr() != NULL
00213 && __sbin->gptr() + __bufsize <= __sbin->egptr())
00214 {
00215 __xtrct = __sbout->sputn(__sbin->gptr(), __bufsize);
00216 __ret += __xtrct;
00217 __sbin->_M_in_cur_move(__xtrct);
00218 if (__xtrct != __bufsize)
00219 break;
00220 }
00221 else
00222 {
00223 size_t __size =
00224 __sbin->_M_buf_size_opt > 0 ? __sbin->_M_buf_size_opt : 1;
00225 _CharT* __buf =
00226 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __size));
00227 streamsize __charsread = __sbin->sgetn(__buf, __size);
00228 __xtrct = __sbout->sputn(__buf, __charsread);
00229 __ret += __xtrct;
00230 if (__xtrct != __charsread)
00231 break;
00232 }
00233 if (_Traits::eq_int_type(__sbin->sgetc(), _Traits::eof()))
00234 break;
00235 __bufsize = __sbin->in_avail();
00236 }
00237 }
00238 catch(exception& __fail)
00239 {
00240 __ios.setstate(ios_base::failbit);
00241 if ((__ios.exceptions() & ios_base::failbit) != 0)
00242 __throw_exception_again;
00243 }
00244 return __ret;
00245 }
00246
00247
00248
00249
00250 extern template class basic_streambuf<char>;
00251 extern template
00252 streamsize
00253 __copy_streambufs(basic_ios<char>&, basic_streambuf<char>*,
00254 basic_streambuf<char>*);
00255
00256 #ifdef _GLIBCPP_USE_WCHAR_T
00257 extern template class basic_streambuf<wchar_t>;
00258 extern template
00259 streamsize
00260 __copy_streambufs(basic_ios<wchar_t>&, basic_streambuf<wchar_t>*,
00261 basic_streambuf<wchar_t>*);
00262 #endif
00263 }
00264
00265 #endif