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diff --git a/rep/usr/include/c++/4.3/fstream.gcov.html b/rep/usr/include/c++/4.3/fstream.gcov.html new file mode 100644 index 0000000..9432d72 --- /dev/null +++ b/rep/usr/include/c++/4.3/fstream.gcov.html @@ -0,0 +1,853 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> + +<html lang="en"> + +<head> + <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> + <title>LCOV - lcov.info - /usr/include/c++/4.3/fstream</title> + <link rel="stylesheet" type="text/css" href="../../../../gcov.css"> +</head> + +<body> + + <table width="100%" border=0 cellspacing=0 cellpadding=0> + <tr><td class="title">LTP GCOV extension - code coverage report</td></tr> + <tr><td class="ruler"><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr> + + <tr> + <td width="100%"> + <table cellpadding=1 border=0 width="100%"> + <tr> + <td class="headerItem" width="20%">Current view:</td> + <td class="headerValue" width="80%" colspan=4><a href="../../../../index.html">directory</a> - <a href="index.html">usr/include/c++/4.3</a> - fstream</td> + </tr> + <tr> + <td class="headerItem" width="20%">Test:</td> + <td class="headerValue" width="80%" colspan=4>lcov.info</td> + </tr> + <tr> + <td class="headerItem" width="20%">Date:</td> + <td class="headerValue" width="20%">2008-08-14</td> + <td width="20%"></td> + <td class="headerItem" width="20%">Instrumented lines:</td> + <td class="headerValue" width="20%">38</td> + </tr> + <tr> + <td class="headerItem" width="20%">Code covered:</td> + <td class="headerValue" width="20%">0.0 %</td> + <td width="20%"></td> + <td class="headerItem" width="20%">Executed lines:</td> + <td class="headerValue" width="20%">0</td> + </tr> + </table> + </td> + </tr> + <tr><td class="ruler"><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr> + </table> + + <table cellpadding=0 cellspacing=0 border=0> + <tr> + <td><br></td> + </tr> + <tr> + <td><pre class="source"> +<span class="lineNum"> 1 </span> : // File based streams -*- C++ -*- +<span class="lineNum"> 2 </span> : +<span class="lineNum"> 3 </span> : // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, +<span class="lineNum"> 4 </span> : // 2006, 2007, 2008 +<span class="lineNum"> 5 </span> : // Free Software Foundation, Inc. +<span class="lineNum"> 6 </span> : // +<span class="lineNum"> 7 </span> : // This file is part of the GNU ISO C++ Library. This library is free +<span class="lineNum"> 8 </span> : // software; you can redistribute it and/or modify it under the +<span class="lineNum"> 9 </span> : // terms of the GNU General Public License as published by the +<span class="lineNum"> 10 </span> : // Free Software Foundation; either version 2, or (at your option) +<span class="lineNum"> 11 </span> : // any later version. +<span class="lineNum"> 12 </span> : +<span class="lineNum"> 13 </span> : // This library is distributed in the hope that it will be useful, +<span class="lineNum"> 14 </span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of +<span class="lineNum"> 15 </span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +<span class="lineNum"> 16 </span> : // GNU General Public License for more details. +<span class="lineNum"> 17 </span> : +<span class="lineNum"> 18 </span> : // You should have received a copy of the GNU General Public License +<span class="lineNum"> 19 </span> : // along with this library; see the file COPYING. If not, write to +<span class="lineNum"> 20 </span> : // the Free Software Foundation, 51 Franklin Street, Fifth Floor, +<span class="lineNum"> 21 </span> : // Boston, MA 02110-1301, USA. +<span class="lineNum"> 22 </span> : +<span class="lineNum"> 23 </span> : // As a special exception, you may use this file as part of a free software +<span class="lineNum"> 24 </span> : // library without restriction. Specifically, if other files instantiate +<span class="lineNum"> 25 </span> : // templates or use macros or inline functions from this file, or you compile +<span class="lineNum"> 26 </span> : // this file and link it with other files to produce an executable, this +<span class="lineNum"> 27 </span> : // file does not by itself cause the resulting executable to be covered by +<span class="lineNum"> 28 </span> : // the GNU General Public License. This exception does not however +<span class="lineNum"> 29 </span> : // invalidate any other reasons why the executable file might be covered by +<span class="lineNum"> 30 </span> : // the GNU General Public License. +<span class="lineNum"> 31 </span> : +<span class="lineNum"> 32 </span> : /** @file fstream +<span class="lineNum"> 33 </span> : * This is a Standard C++ Library header. +<span class="lineNum"> 34 </span> : */ +<span class="lineNum"> 35 </span> : +<span class="lineNum"> 36 </span> : // +<span class="lineNum"> 37 </span> : // ISO C++ 14882: 27.8 File-based streams +<span class="lineNum"> 38 </span> : // +<span class="lineNum"> 39 </span> : +<span class="lineNum"> 40 </span> : #ifndef _GLIBCXX_FSTREAM +<span class="lineNum"> 41 </span> : #define _GLIBCXX_FSTREAM 1 +<span class="lineNum"> 42 </span> : +<span class="lineNum"> 43 </span> : #pragma GCC system_header +<span class="lineNum"> 44 </span> : +<span class="lineNum"> 45 </span> : #include <istream> +<span class="lineNum"> 46 </span> : #include <ostream> +<span class="lineNum"> 47 </span> : #include <bits/codecvt.h> +<span class="lineNum"> 48 </span> : #include <cstdio> // For BUFSIZ +<span class="lineNum"> 49 </span> : #include <bits/basic_file.h> // For __basic_file, __c_lock +<span class="lineNum"> 50 </span> : +<span class="lineNum"> 51 </span> : _GLIBCXX_BEGIN_NAMESPACE(std) +<span class="lineNum"> 52 </span> : +<span class="lineNum"> 53 </span> : // [27.8.1.1] template class basic_filebuf +<span class="lineNum"> 54 </span> : /** +<span class="lineNum"> 55 </span> : * @brief The actual work of input and output (for files). +<span class="lineNum"> 56 </span> : * +<span class="lineNum"> 57 </span> : * This class associates both its input and output sequence with an +<span class="lineNum"> 58 </span> : * external disk file, and maintains a joint file position for both +<span class="lineNum"> 59 </span> : * sequences. Many of its semantics are described in terms of similar +<span class="lineNum"> 60 </span> : * behavior in the Standard C Library's @c FILE streams. +<span class="lineNum"> 61 </span> : */ +<span class="lineNum"> 62 </span> : // Requirements on traits_type, specific to this class: +<span class="lineNum"> 63 </span> : // traits_type::pos_type must be fpos<traits_type::state_type> +<span class="lineNum"> 64 </span> : // traits_type::off_type must be streamoff +<span class="lineNum"> 65 </span> : // traits_type::state_type must be Assignable and DefaultConstructible, +<span class="lineNum"> 66 </span> : // and traits_type::state_type() must be the initial state for codecvt. +<span class="lineNum"> 67 </span> : template<typename _CharT, typename _Traits> +<span class="lineNum"> 68 </span> : class basic_filebuf : public basic_streambuf<_CharT, _Traits> +<span class="lineNum"> 69 </span> : { +<span class="lineNum"> 70 </span> : public: +<span class="lineNum"> 71 </span> : // Types: +<span class="lineNum"> 72 </span> : typedef _CharT char_type; +<span class="lineNum"> 73 </span> : typedef _Traits traits_type; +<span class="lineNum"> 74 </span> : typedef typename traits_type::int_type int_type; +<span class="lineNum"> 75 </span> : typedef typename traits_type::pos_type pos_type; +<span class="lineNum"> 76 </span> : typedef typename traits_type::off_type off_type; +<span class="lineNum"> 77 </span> : +<span class="lineNum"> 78 </span> : typedef basic_streambuf<char_type, traits_type> __streambuf_type; +<span class="lineNum"> 79 </span> : typedef basic_filebuf<char_type, traits_type> __filebuf_type; +<span class="lineNum"> 80 </span> : typedef __basic_file<char> __file_type; +<span class="lineNum"> 81 </span> : typedef typename traits_type::state_type __state_type; +<span class="lineNum"> 82 </span> : typedef codecvt<char_type, char, __state_type> __codecvt_type; +<span class="lineNum"> 83 </span> : +<span class="lineNum"> 84 </span> : friend class ios_base; // For sync_with_stdio. +<span class="lineNum"> 85 </span> : +<span class="lineNum"> 86 </span> : protected: +<span class="lineNum"> 87 </span> : // Data Members: +<span class="lineNum"> 88 </span> : // MT lock inherited from libio or other low-level io library. +<span class="lineNum"> 89 </span> : __c_lock _M_lock; +<span class="lineNum"> 90 </span> : +<span class="lineNum"> 91 </span> : // External buffer. +<span class="lineNum"> 92 </span> : __file_type _M_file; +<span class="lineNum"> 93 </span> : +<span class="lineNum"> 94 </span> : /// Place to stash in || out || in | out settings for current filebuf. +<span class="lineNum"> 95 </span> : ios_base::openmode _M_mode; +<span class="lineNum"> 96 </span> : +<span class="lineNum"> 97 </span> : // Beginning state type for codecvt. +<span class="lineNum"> 98 </span> : __state_type _M_state_beg; +<span class="lineNum"> 99 </span> : +<span class="lineNum"> 100 </span> : // During output, the state that corresponds to pptr(), +<span class="lineNum"> 101 </span> : // during input, the state that corresponds to egptr() and +<span class="lineNum"> 102 </span> : // _M_ext_next. +<span class="lineNum"> 103 </span> : __state_type _M_state_cur; +<span class="lineNum"> 104 </span> : +<span class="lineNum"> 105 </span> : // Not used for output. During input, the state that corresponds +<span class="lineNum"> 106 </span> : // to eback() and _M_ext_buf. +<span class="lineNum"> 107 </span> : __state_type _M_state_last; +<span class="lineNum"> 108 </span> : +<span class="lineNum"> 109 </span> : /// Pointer to the beginning of internal buffer. +<span class="lineNum"> 110 </span> : char_type* _M_buf; +<span class="lineNum"> 111 </span> : +<span class="lineNum"> 112 </span> : /** +<span class="lineNum"> 113 </span> : * Actual size of internal buffer. This number is equal to the size +<span class="lineNum"> 114 </span> : * of the put area + 1 position, reserved for the overflow char of +<span class="lineNum"> 115 </span> : * a full area. +<span class="lineNum"> 116 </span> : */ +<span class="lineNum"> 117 </span> : size_t _M_buf_size; +<span class="lineNum"> 118 </span> : +<span class="lineNum"> 119 </span> : // Set iff _M_buf is allocated memory from _M_allocate_internal_buffer. +<span class="lineNum"> 120 </span> : bool _M_buf_allocated; +<span class="lineNum"> 121 </span> : +<span class="lineNum"> 122 </span> : /** +<span class="lineNum"> 123 </span> : * _M_reading == false && _M_writing == false for 'uncommitted' mode; +<span class="lineNum"> 124 </span> : * _M_reading == true for 'read' mode; +<span class="lineNum"> 125 </span> : * _M_writing == true for 'write' mode; +<span class="lineNum"> 126 </span> : * +<span class="lineNum"> 127 </span> : * NB: _M_reading == true && _M_writing == true is unused. +<span class="lineNum"> 128 </span> : */ +<span class="lineNum"> 129 </span> : bool _M_reading; +<span class="lineNum"> 130 </span> : bool _M_writing; +<span class="lineNum"> 131 </span> : +<span class="lineNum"> 132 </span> : //@{ +<span class="lineNum"> 133 </span> : /** +<span class="lineNum"> 134 </span> : * Necessary bits for putback buffer management. +<span class="lineNum"> 135 </span> : * +<span class="lineNum"> 136 </span> : * @note pbacks of over one character are not currently supported. +<span class="lineNum"> 137 </span> : */ +<span class="lineNum"> 138 </span> : char_type _M_pback; +<span class="lineNum"> 139 </span> : char_type* _M_pback_cur_save; +<span class="lineNum"> 140 </span> : char_type* _M_pback_end_save; +<span class="lineNum"> 141 </span> : bool _M_pback_init; +<span class="lineNum"> 142 </span> : //@} +<span class="lineNum"> 143 </span> : +<span class="lineNum"> 144 </span> : // Cached codecvt facet. +<span class="lineNum"> 145 </span> : const __codecvt_type* _M_codecvt; +<span class="lineNum"> 146 </span> : +<span class="lineNum"> 147 </span> : /** +<span class="lineNum"> 148 </span> : * Buffer for external characters. Used for input when +<span class="lineNum"> 149 </span> : * codecvt::always_noconv() == false. When valid, this corresponds +<span class="lineNum"> 150 </span> : * to eback(). +<span class="lineNum"> 151 </span> : */ +<span class="lineNum"> 152 </span> : char* _M_ext_buf; +<span class="lineNum"> 153 </span> : +<span class="lineNum"> 154 </span> : /** +<span class="lineNum"> 155 </span> : * Size of buffer held by _M_ext_buf. +<span class="lineNum"> 156 </span> : */ +<span class="lineNum"> 157 </span> : streamsize _M_ext_buf_size; +<span class="lineNum"> 158 </span> : +<span class="lineNum"> 159 </span> : /** +<span class="lineNum"> 160 </span> : * Pointers into the buffer held by _M_ext_buf that delimit a +<span class="lineNum"> 161 </span> : * subsequence of bytes that have been read but not yet converted. +<span class="lineNum"> 162 </span> : * When valid, _M_ext_next corresponds to egptr(). +<span class="lineNum"> 163 </span> : */ +<span class="lineNum"> 164 </span> : const char* _M_ext_next; +<span class="lineNum"> 165 </span> : char* _M_ext_end; +<span class="lineNum"> 166 </span> : +<span class="lineNum"> 167 </span> : /** +<span class="lineNum"> 168 </span> : * Initializes pback buffers, and moves normal buffers to safety. +<span class="lineNum"> 169 </span> : * Assumptions: +<span class="lineNum"> 170 </span> : * _M_in_cur has already been moved back +<span class="lineNum"> 171 </span> : */ +<span class="lineNum"> 172 </span> : void +<span class="lineNum"> 173 </span> : _M_create_pback() +<span class="lineNum"> 174 </span> : { +<span class="lineNum"> 175 </span> : if (!_M_pback_init) +<span class="lineNum"> 176 </span> : { +<span class="lineNum"> 177 </span> : _M_pback_cur_save = this->gptr(); +<span class="lineNum"> 178 </span> : _M_pback_end_save = this->egptr(); +<span class="lineNum"> 179 </span> : this->setg(&_M_pback, &_M_pback, &_M_pback + 1); +<span class="lineNum"> 180 </span> : _M_pback_init = true; +<span class="lineNum"> 181 </span> : } +<span class="lineNum"> 182 </span> : } +<span class="lineNum"> 183 </span> : +<span class="lineNum"> 184 </span> : /** +<span class="lineNum"> 185 </span> : * Deactivates pback buffer contents, and restores normal buffer. +<span class="lineNum"> 186 </span> : * Assumptions: +<span class="lineNum"> 187 </span> : * The pback buffer has only moved forward. +<span class="lineNum"> 188 </span> : */ +<span class="lineNum"> 189 </span> : void +<span class="lineNum"> 190 </span> : _M_destroy_pback() throw() +<span class="lineNum"> 191 </span> : { +<span class="lineNum"> 192 </span> : if (_M_pback_init) +<span class="lineNum"> 193 </span> : { +<span class="lineNum"> 194 </span> : // Length _M_in_cur moved in the pback buffer. +<span class="lineNum"> 195 </span> : _M_pback_cur_save += this->gptr() != this->eback(); +<span class="lineNum"> 196 </span> : this->setg(_M_buf, _M_pback_cur_save, _M_pback_end_save); +<span class="lineNum"> 197 </span> : _M_pback_init = false; +<span class="lineNum"> 198 </span> : } +<span class="lineNum"> 199 </span> : } +<span class="lineNum"> 200 </span> : +<span class="lineNum"> 201 </span> : public: +<span class="lineNum"> 202 </span> : // Constructors/destructor: +<span class="lineNum"> 203 </span> : /** +<span class="lineNum"> 204 </span> : * @brief Does not open any files. +<span class="lineNum"> 205 </span> : * +<span class="lineNum"> 206 </span> : * The default constructor initializes the parent class using its +<span class="lineNum"> 207 </span> : * own default ctor. +<span class="lineNum"> 208 </span> : */ +<span class="lineNum"> 209 </span> : basic_filebuf(); +<span class="lineNum"> 210 </span> : +<span class="lineNum"> 211 </span> : /** +<span class="lineNum"> 212 </span> : * @brief The destructor closes the file first. +<span class="lineNum"> 213 </span> : */ +<span class="lineNum"> 214 </span> : virtual +<span class="lineNum"> 215 </span><span class="lineNoCov"> 0 : ~basic_filebuf()</span> +<span class="lineNum"> 216 </span><span class="lineNoCov"> 0 : { this->close(); }</span> +<span class="lineNum"> 217 </span> : +<span class="lineNum"> 218 </span> : // Members: +<span class="lineNum"> 219 </span> : /** +<span class="lineNum"> 220 </span> : * @brief Returns true if the external file is open. +<span class="lineNum"> 221 </span> : */ +<span class="lineNum"> 222 </span> : bool +<span class="lineNum"> 223 </span><span class="lineNoCov"> 0 : is_open() const throw()</span> +<span class="lineNum"> 224 </span><span class="lineNoCov"> 0 : { return _M_file.is_open(); }</span> +<span class="lineNum"> 225 </span> : +<span class="lineNum"> 226 </span> : /** +<span class="lineNum"> 227 </span> : * @brief Opens an external file. +<span class="lineNum"> 228 </span> : * @param s The name of the file. +<span class="lineNum"> 229 </span> : * @param mode The open mode flags. +<span class="lineNum"> 230 </span> : * @return @c this on success, NULL on failure +<span class="lineNum"> 231 </span> : * +<span class="lineNum"> 232 </span> : * If a file is already open, this function immediately fails. +<span class="lineNum"> 233 </span> : * Otherwise it tries to open the file named @a s using the flags +<span class="lineNum"> 234 </span> : * given in @a mode. +<span class="lineNum"> 235 </span> : * +<span class="lineNum"> 236 </span> : * Table 92, adapted here, gives the relation between openmode +<span class="lineNum"> 237 </span> : * combinations and the equivalent fopen() flags. +<span class="lineNum"> 238 </span> : * (NB: lines app, in|out|app, in|app, binary|app, binary|in|out|app, +<span class="lineNum"> 239 </span> : * and binary|in|app per DR 596) +<span class="lineNum"> 240 </span> : * +---------------------------------------------------------+ +<span class="lineNum"> 241 </span> : * | ios_base Flag combination stdio equivalent | +<span class="lineNum"> 242 </span> : * |binary in out trunc app | +<span class="lineNum"> 243 </span> : * +---------------------------------------------------------+ +<span class="lineNum"> 244 </span> : * | + "w" | +<span class="lineNum"> 245 </span> : * | + + "a" | +<span class="lineNum"> 246 </span> : * | + "a" | +<span class="lineNum"> 247 </span> : * | + + "w" | +<span class="lineNum"> 248 </span> : * | + "r" | +<span class="lineNum"> 249 </span> : * | + + "r+" | +<span class="lineNum"> 250 </span> : * | + + + "w+" | +<span class="lineNum"> 251 </span> : * | + + + "a+" | +<span class="lineNum"> 252 </span> : * | + + "a+" | +<span class="lineNum"> 253 </span> : * +---------------------------------------------------------+ +<span class="lineNum"> 254 </span> : * | + + "wb" | +<span class="lineNum"> 255 </span> : * | + + + "ab" | +<span class="lineNum"> 256 </span> : * | + + "ab" | +<span class="lineNum"> 257 </span> : * | + + + "wb" | +<span class="lineNum"> 258 </span> : * | + + "rb" | +<span class="lineNum"> 259 </span> : * | + + + "r+b" | +<span class="lineNum"> 260 </span> : * | + + + + "w+b" | +<span class="lineNum"> 261 </span> : * | + + + + "a+b" | +<span class="lineNum"> 262 </span> : * | + + + "a+b" | +<span class="lineNum"> 263 </span> : * +---------------------------------------------------------+ +<span class="lineNum"> 264 </span> : */ +<span class="lineNum"> 265 </span> : __filebuf_type* +<span class="lineNum"> 266 </span> : open(const char* __s, ios_base::openmode __mode); +<span class="lineNum"> 267 </span> : +<span class="lineNum"> 268 </span> : /** +<span class="lineNum"> 269 </span> : * @brief Closes the currently associated file. +<span class="lineNum"> 270 </span> : * @return @c this on success, NULL on failure +<span class="lineNum"> 271 </span> : * +<span class="lineNum"> 272 </span> : * If no file is currently open, this function immediately fails. +<span class="lineNum"> 273 </span> : * +<span class="lineNum"> 274 </span> : * If a "put buffer area" exists, @c overflow(eof) is called to flush +<span class="lineNum"> 275 </span> : * all the characters. The file is then closed. +<span class="lineNum"> 276 </span> : * +<span class="lineNum"> 277 </span> : * If any operations fail, this function also fails. +<span class="lineNum"> 278 </span> : */ +<span class="lineNum"> 279 </span> : __filebuf_type* +<span class="lineNum"> 280 </span> : close(); +<span class="lineNum"> 281 </span> : +<span class="lineNum"> 282 </span> : protected: +<span class="lineNum"> 283 </span> : void +<span class="lineNum"> 284 </span> : _M_allocate_internal_buffer(); +<span class="lineNum"> 285 </span> : +<span class="lineNum"> 286 </span> : void +<span class="lineNum"> 287 </span> : _M_destroy_internal_buffer() throw(); +<span class="lineNum"> 288 </span> : +<span class="lineNum"> 289 </span> : // [27.8.1.4] overridden virtual functions +<span class="lineNum"> 290 </span> : virtual streamsize +<span class="lineNum"> 291 </span> : showmanyc(); +<span class="lineNum"> 292 </span> : +<span class="lineNum"> 293 </span> : // Stroustrup, 1998, p. 628 +<span class="lineNum"> 294 </span> : // underflow() and uflow() functions are called to get the next +<span class="lineNum"> 295 </span> : // character from the real input source when the buffer is empty. +<span class="lineNum"> 296 </span> : // Buffered input uses underflow() +<span class="lineNum"> 297 </span> : +<span class="lineNum"> 298 </span> : virtual int_type +<span class="lineNum"> 299 </span> : underflow(); +<span class="lineNum"> 300 </span> : +<span class="lineNum"> 301 </span> : virtual int_type +<span class="lineNum"> 302 </span> : pbackfail(int_type __c = _Traits::eof()); +<span class="lineNum"> 303 </span> : +<span class="lineNum"> 304 </span> : // Stroustrup, 1998, p 648 +<span class="lineNum"> 305 </span> : // The overflow() function is called to transfer characters to the +<span class="lineNum"> 306 </span> : // real output destination when the buffer is full. A call to +<span class="lineNum"> 307 </span> : // overflow(c) outputs the contents of the buffer plus the +<span class="lineNum"> 308 </span> : // character c. +<span class="lineNum"> 309 </span> : // 27.5.2.4.5 +<span class="lineNum"> 310 </span> : // Consume some sequence of the characters in the pending sequence. +<span class="lineNum"> 311 </span> : virtual int_type +<span class="lineNum"> 312 </span> : overflow(int_type __c = _Traits::eof()); +<span class="lineNum"> 313 </span> : +<span class="lineNum"> 314 </span> : // Convert internal byte sequence to external, char-based +<span class="lineNum"> 315 </span> : // sequence via codecvt. +<span class="lineNum"> 316 </span> : bool +<span class="lineNum"> 317 </span> : _M_convert_to_external(char_type*, streamsize); +<span class="lineNum"> 318 </span> : +<span class="lineNum"> 319 </span> : /** +<span class="lineNum"> 320 </span> : * @brief Manipulates the buffer. +<span class="lineNum"> 321 </span> : * @param s Pointer to a buffer area. +<span class="lineNum"> 322 </span> : * @param n Size of @a s. +<span class="lineNum"> 323 </span> : * @return @c this +<span class="lineNum"> 324 </span> : * +<span class="lineNum"> 325 </span> : * If no file has been opened, and both @a s and @a n are zero, then +<span class="lineNum"> 326 </span> : * the stream becomes unbuffered. Otherwise, @c s is used as a +<span class="lineNum"> 327 </span> : * buffer; see +<span class="lineNum"> 328 </span> : * http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#2 +<span class="lineNum"> 329 </span> : * for more. +<span class="lineNum"> 330 </span> : */ +<span class="lineNum"> 331 </span> : virtual __streambuf_type* +<span class="lineNum"> 332 </span> : setbuf(char_type* __s, streamsize __n); +<span class="lineNum"> 333 </span> : +<span class="lineNum"> 334 </span> : virtual pos_type +<span class="lineNum"> 335 </span> : seekoff(off_type __off, ios_base::seekdir __way, +<span class="lineNum"> 336 </span> : ios_base::openmode __mode = ios_base::in | ios_base::out); +<span class="lineNum"> 337 </span> : +<span class="lineNum"> 338 </span> : virtual pos_type +<span class="lineNum"> 339 </span> : seekpos(pos_type __pos, +<span class="lineNum"> 340 </span> : ios_base::openmode __mode = ios_base::in | ios_base::out); +<span class="lineNum"> 341 </span> : +<span class="lineNum"> 342 </span> : // Common code for seekoff and seekpos +<span class="lineNum"> 343 </span> : pos_type +<span class="lineNum"> 344 </span> : _M_seek(off_type __off, ios_base::seekdir __way, __state_type __state); +<span class="lineNum"> 345 </span> : +<span class="lineNum"> 346 </span> : virtual int +<span class="lineNum"> 347 </span> : sync(); +<span class="lineNum"> 348 </span> : +<span class="lineNum"> 349 </span> : virtual void +<span class="lineNum"> 350 </span> : imbue(const locale& __loc); +<span class="lineNum"> 351 </span> : +<span class="lineNum"> 352 </span> : virtual streamsize +<span class="lineNum"> 353 </span> : xsgetn(char_type* __s, streamsize __n); +<span class="lineNum"> 354 </span> : +<span class="lineNum"> 355 </span> : virtual streamsize +<span class="lineNum"> 356 </span> : xsputn(const char_type* __s, streamsize __n); +<span class="lineNum"> 357 </span> : +<span class="lineNum"> 358 </span> : // Flushes output buffer, then writes unshift sequence. +<span class="lineNum"> 359 </span> : bool +<span class="lineNum"> 360 </span> : _M_terminate_output(); +<span class="lineNum"> 361 </span> : +<span class="lineNum"> 362 </span> : /** +<span class="lineNum"> 363 </span> : * This function sets the pointers of the internal buffer, both get +<span class="lineNum"> 364 </span> : * and put areas. Typically: +<span class="lineNum"> 365 </span> : * +<span class="lineNum"> 366 </span> : * __off == egptr() - eback() upon underflow/uflow ('read' mode); +<span class="lineNum"> 367 </span> : * __off == 0 upon overflow ('write' mode); +<span class="lineNum"> 368 </span> : * __off == -1 upon open, setbuf, seekoff/pos ('uncommitted' mode). +<span class="lineNum"> 369 </span> : * +<span class="lineNum"> 370 </span> : * NB: epptr() - pbase() == _M_buf_size - 1, since _M_buf_size +<span class="lineNum"> 371 </span> : * reflects the actual allocated memory and the last cell is reserved +<span class="lineNum"> 372 </span> : * for the overflow char of a full put area. +<span class="lineNum"> 373 </span> : */ +<span class="lineNum"> 374 </span> : void +<span class="lineNum"> 375 </span> : _M_set_buffer(streamsize __off) +<span class="lineNum"> 376 </span> : { +<span class="lineNum"> 377 </span> : const bool __testin = _M_mode & ios_base::in; +<span class="lineNum"> 378 </span> : const bool __testout = _M_mode & ios_base::out; +<span class="lineNum"> 379 </span> : +<span class="lineNum"> 380 </span> : if (__testin && __off > 0) +<span class="lineNum"> 381 </span> : this->setg(_M_buf, _M_buf, _M_buf + __off); +<span class="lineNum"> 382 </span> : else +<span class="lineNum"> 383 </span> : this->setg(_M_buf, _M_buf, _M_buf); +<span class="lineNum"> 384 </span> : +<span class="lineNum"> 385 </span> : if (__testout && __off == 0 && _M_buf_size > 1 ) +<span class="lineNum"> 386 </span> : this->setp(_M_buf, _M_buf + _M_buf_size - 1); +<span class="lineNum"> 387 </span> : else +<span class="lineNum"> 388 </span> : this->setp(NULL, NULL); +<span class="lineNum"> 389 </span> : } +<span class="lineNum"> 390 </span> : }; +<span class="lineNum"> 391 </span> : +<span class="lineNum"> 392 </span> : // [27.8.1.5] Template class basic_ifstream +<span class="lineNum"> 393 </span> : /** +<span class="lineNum"> 394 </span> : * @brief Controlling input for files. +<span class="lineNum"> 395 </span> : * +<span class="lineNum"> 396 </span> : * This class supports reading from named files, using the inherited +<span class="lineNum"> 397 </span> : * functions from std::basic_istream. To control the associated +<span class="lineNum"> 398 </span> : * sequence, an instance of std::basic_filebuf is used, which this page +<span class="lineNum"> 399 </span> : * refers to as @c sb. +<span class="lineNum"> 400 </span> : */ +<span class="lineNum"> 401 </span> : template<typename _CharT, typename _Traits> +<span class="lineNum"> 402 </span> : class basic_ifstream : public basic_istream<_CharT, _Traits> +<span class="lineNum"> 403 </span> : { +<span class="lineNum"> 404 </span> : public: +<span class="lineNum"> 405 </span> : // Types: +<span class="lineNum"> 406 </span> : typedef _CharT char_type; +<span class="lineNum"> 407 </span> : typedef _Traits traits_type; +<span class="lineNum"> 408 </span> : typedef typename traits_type::int_type int_type; +<span class="lineNum"> 409 </span> : typedef typename traits_type::pos_type pos_type; +<span class="lineNum"> 410 </span> : typedef typename traits_type::off_type off_type; +<span class="lineNum"> 411 </span> : +<span class="lineNum"> 412 </span> : // Non-standard types: +<span class="lineNum"> 413 </span> : typedef basic_filebuf<char_type, traits_type> __filebuf_type; +<span class="lineNum"> 414 </span> : typedef basic_istream<char_type, traits_type> __istream_type; +<span class="lineNum"> 415 </span> : +<span class="lineNum"> 416 </span> : private: +<span class="lineNum"> 417 </span> : __filebuf_type _M_filebuf; +<span class="lineNum"> 418 </span> : +<span class="lineNum"> 419 </span> : public: +<span class="lineNum"> 420 </span> : // Constructors/Destructors: +<span class="lineNum"> 421 </span> : /** +<span class="lineNum"> 422 </span> : * @brief Default constructor. +<span class="lineNum"> 423 </span> : * +<span class="lineNum"> 424 </span> : * Initializes @c sb using its default constructor, and passes +<span class="lineNum"> 425 </span> : * @c &sb to the base class initializer. Does not open any files +<span class="lineNum"> 426 </span> : * (you haven't given it a filename to open). +<span class="lineNum"> 427 </span> : */ +<span class="lineNum"> 428 </span><span class="lineNoCov"> 0 : basic_ifstream() : __istream_type(), _M_filebuf()</span> +<span class="lineNum"> 429 </span><span class="lineNoCov"> 0 : { this->init(&_M_filebuf); }</span> +<span class="lineNum"> 430 </span> : +<span class="lineNum"> 431 </span> : /** +<span class="lineNum"> 432 </span> : * @brief Create an input file stream. +<span class="lineNum"> 433 </span> : * @param s Null terminated string specifying the filename. +<span class="lineNum"> 434 </span> : * @param mode Open file in specified mode (see std::ios_base). +<span class="lineNum"> 435 </span> : * +<span class="lineNum"> 436 </span> : * @c ios_base::in is automatically included in @a mode. +<span class="lineNum"> 437 </span> : * +<span class="lineNum"> 438 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 439 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 440 </span> : */ +<span class="lineNum"> 441 </span> : explicit +<span class="lineNum"> 442 </span><span class="lineNoCov"> 0 : basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in)</span> +<span class="lineNum"> 443 </span><span class="lineNoCov"> 0 : : __istream_type(), _M_filebuf()</span> +<span class="lineNum"> 444 </span> : { +<span class="lineNum"> 445 </span><span class="lineNoCov"> 0 : this->init(&_M_filebuf);</span> +<span class="lineNum"> 446 </span><span class="lineNoCov"> 0 : this->open(__s, __mode);</span> +<span class="lineNum"> 447 </span><span class="lineNoCov"> 0 : }</span> +<span class="lineNum"> 448 </span> : +<span class="lineNum"> 449 </span> : /** +<span class="lineNum"> 450 </span> : * @brief The destructor does nothing. +<span class="lineNum"> 451 </span> : * +<span class="lineNum"> 452 </span> : * The file is closed by the filebuf object, not the formatting +<span class="lineNum"> 453 </span> : * stream. +<span class="lineNum"> 454 </span> : */ +<span class="lineNum"> 455 </span><span class="lineNoCov"> 0 : ~basic_ifstream()</span> +<span class="lineNum"> 456 </span><span class="lineNoCov"> 0 : { }</span> +<span class="lineNum"> 457 </span> : +<span class="lineNum"> 458 </span> : // Members: +<span class="lineNum"> 459 </span> : /** +<span class="lineNum"> 460 </span> : * @brief Accessing the underlying buffer. +<span class="lineNum"> 461 </span> : * @return The current basic_filebuf buffer. +<span class="lineNum"> 462 </span> : * +<span class="lineNum"> 463 </span> : * This hides both signatures of std::basic_ios::rdbuf(). +<span class="lineNum"> 464 </span> : */ +<span class="lineNum"> 465 </span> : __filebuf_type* +<span class="lineNum"> 466 </span> : rdbuf() const +<span class="lineNum"> 467 </span> : { return const_cast<__filebuf_type*>(&_M_filebuf); } +<span class="lineNum"> 468 </span> : +<span class="lineNum"> 469 </span> : /** +<span class="lineNum"> 470 </span> : * @brief Wrapper to test for an open file. +<span class="lineNum"> 471 </span> : * @return @c rdbuf()->is_open() +<span class="lineNum"> 472 </span> : */ +<span class="lineNum"> 473 </span> : bool +<span class="lineNum"> 474 </span><span class="lineNoCov"> 0 : is_open()</span> +<span class="lineNum"> 475 </span><span class="lineNoCov"> 0 : { return _M_filebuf.is_open(); }</span> +<span class="lineNum"> 476 </span> : +<span class="lineNum"> 477 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 478 </span> : // 365. Lack of const-qualification in clause 27 +<span class="lineNum"> 479 </span> : bool +<span class="lineNum"> 480 </span> : is_open() const +<span class="lineNum"> 481 </span> : { return _M_filebuf.is_open(); } +<span class="lineNum"> 482 </span> : +<span class="lineNum"> 483 </span> : /** +<span class="lineNum"> 484 </span> : * @brief Opens an external file. +<span class="lineNum"> 485 </span> : * @param s The name of the file. +<span class="lineNum"> 486 </span> : * @param mode The open mode flags. +<span class="lineNum"> 487 </span> : * +<span class="lineNum"> 488 </span> : * Calls @c std::basic_filebuf::open(s,mode|in). If that function +<span class="lineNum"> 489 </span> : * fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 490 </span> : * +<span class="lineNum"> 491 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 492 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 493 </span> : */ +<span class="lineNum"> 494 </span> : void +<span class="lineNum"> 495 </span><span class="lineNoCov"> 0 : open(const char* __s, ios_base::openmode __mode = ios_base::in)</span> +<span class="lineNum"> 496 </span> : { +<span class="lineNum"> 497 </span><span class="lineNoCov"> 0 : if (!_M_filebuf.open(__s, __mode | ios_base::in))</span> +<span class="lineNum"> 498 </span><span class="lineNoCov"> 0 : this->setstate(ios_base::failbit);</span> +<span class="lineNum"> 499 </span> : else +<span class="lineNum"> 500 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 501 </span> : // 409. Closing an fstream should clear error state +<span class="lineNum"> 502 </span><span class="lineNoCov"> 0 : this->clear();</span> +<span class="lineNum"> 503 </span><span class="lineNoCov"> 0 : }</span> +<span class="lineNum"> 504 </span> : +<span class="lineNum"> 505 </span> : /** +<span class="lineNum"> 506 </span> : * @brief Close the file. +<span class="lineNum"> 507 </span> : * +<span class="lineNum"> 508 </span> : * Calls @c std::basic_filebuf::close(). If that function +<span class="lineNum"> 509 </span> : * fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 510 </span> : */ +<span class="lineNum"> 511 </span> : void +<span class="lineNum"> 512 </span><span class="lineNoCov"> 0 : close()</span> +<span class="lineNum"> 513 </span> : { +<span class="lineNum"> 514 </span><span class="lineNoCov"> 0 : if (!_M_filebuf.close())</span> +<span class="lineNum"> 515 </span><span class="lineNoCov"> 0 : this->setstate(ios_base::failbit);</span> +<span class="lineNum"> 516 </span><span class="lineNoCov"> 0 : }</span> +<span class="lineNum"> 517 </span> : }; +<span class="lineNum"> 518 </span> : +<span class="lineNum"> 519 </span> : +<span class="lineNum"> 520 </span> : // [27.8.1.8] Template class basic_ofstream +<span class="lineNum"> 521 </span> : /** +<span class="lineNum"> 522 </span> : * @brief Controlling output for files. +<span class="lineNum"> 523 </span> : * +<span class="lineNum"> 524 </span> : * This class supports reading from named files, using the inherited +<span class="lineNum"> 525 </span> : * functions from std::basic_ostream. To control the associated +<span class="lineNum"> 526 </span> : * sequence, an instance of std::basic_filebuf is used, which this page +<span class="lineNum"> 527 </span> : * refers to as @c sb. +<span class="lineNum"> 528 </span> : */ +<span class="lineNum"> 529 </span> : template<typename _CharT, typename _Traits> +<span class="lineNum"> 530 </span> : class basic_ofstream : public basic_ostream<_CharT,_Traits> +<span class="lineNum"> 531 </span> : { +<span class="lineNum"> 532 </span> : public: +<span class="lineNum"> 533 </span> : // Types: +<span class="lineNum"> 534 </span> : typedef _CharT char_type; +<span class="lineNum"> 535 </span> : typedef _Traits traits_type; +<span class="lineNum"> 536 </span> : typedef typename traits_type::int_type int_type; +<span class="lineNum"> 537 </span> : typedef typename traits_type::pos_type pos_type; +<span class="lineNum"> 538 </span> : typedef typename traits_type::off_type off_type; +<span class="lineNum"> 539 </span> : +<span class="lineNum"> 540 </span> : // Non-standard types: +<span class="lineNum"> 541 </span> : typedef basic_filebuf<char_type, traits_type> __filebuf_type; +<span class="lineNum"> 542 </span> : typedef basic_ostream<char_type, traits_type> __ostream_type; +<span class="lineNum"> 543 </span> : +<span class="lineNum"> 544 </span> : private: +<span class="lineNum"> 545 </span> : __filebuf_type _M_filebuf; +<span class="lineNum"> 546 </span> : +<span class="lineNum"> 547 </span> : public: +<span class="lineNum"> 548 </span> : // Constructors: +<span class="lineNum"> 549 </span> : /** +<span class="lineNum"> 550 </span> : * @brief Default constructor. +<span class="lineNum"> 551 </span> : * +<span class="lineNum"> 552 </span> : * Initializes @c sb using its default constructor, and passes +<span class="lineNum"> 553 </span> : * @c &sb to the base class initializer. Does not open any files +<span class="lineNum"> 554 </span> : * (you haven't given it a filename to open). +<span class="lineNum"> 555 </span> : */ +<span class="lineNum"> 556 </span> : basic_ofstream(): __ostream_type(), _M_filebuf() +<span class="lineNum"> 557 </span> : { this->init(&_M_filebuf); } +<span class="lineNum"> 558 </span> : +<span class="lineNum"> 559 </span> : /** +<span class="lineNum"> 560 </span> : * @brief Create an output file stream. +<span class="lineNum"> 561 </span> : * @param s Null terminated string specifying the filename. +<span class="lineNum"> 562 </span> : * @param mode Open file in specified mode (see std::ios_base). +<span class="lineNum"> 563 </span> : * +<span class="lineNum"> 564 </span> : * @c ios_base::out|ios_base::trunc is automatically included in +<span class="lineNum"> 565 </span> : * @a mode. +<span class="lineNum"> 566 </span> : * +<span class="lineNum"> 567 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 568 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 569 </span> : */ +<span class="lineNum"> 570 </span> : explicit +<span class="lineNum"> 571 </span> : basic_ofstream(const char* __s, +<span class="lineNum"> 572 </span><span class="lineNoCov"> 0 : ios_base::openmode __mode = ios_base::out|ios_base::trunc)</span> +<span class="lineNum"> 573 </span><span class="lineNoCov"> 0 : : __ostream_type(), _M_filebuf()</span> +<span class="lineNum"> 574 </span> : { +<span class="lineNum"> 575 </span><span class="lineNoCov"> 0 : this->init(&_M_filebuf);</span> +<span class="lineNum"> 576 </span><span class="lineNoCov"> 0 : this->open(__s, __mode);</span> +<span class="lineNum"> 577 </span><span class="lineNoCov"> 0 : }</span> +<span class="lineNum"> 578 </span> : +<span class="lineNum"> 579 </span> : /** +<span class="lineNum"> 580 </span> : * @brief The destructor does nothing. +<span class="lineNum"> 581 </span> : * +<span class="lineNum"> 582 </span> : * The file is closed by the filebuf object, not the formatting +<span class="lineNum"> 583 </span> : * stream. +<span class="lineNum"> 584 </span> : */ +<span class="lineNum"> 585 </span><span class="lineNoCov"> 0 : ~basic_ofstream()</span> +<span class="lineNum"> 586 </span><span class="lineNoCov"> 0 : { }</span> +<span class="lineNum"> 587 </span> : +<span class="lineNum"> 588 </span> : // Members: +<span class="lineNum"> 589 </span> : /** +<span class="lineNum"> 590 </span> : * @brief Accessing the underlying buffer. +<span class="lineNum"> 591 </span> : * @return The current basic_filebuf buffer. +<span class="lineNum"> 592 </span> : * +<span class="lineNum"> 593 </span> : * This hides both signatures of std::basic_ios::rdbuf(). +<span class="lineNum"> 594 </span> : */ +<span class="lineNum"> 595 </span> : __filebuf_type* +<span class="lineNum"> 596 </span> : rdbuf() const +<span class="lineNum"> 597 </span> : { return const_cast<__filebuf_type*>(&_M_filebuf); } +<span class="lineNum"> 598 </span> : +<span class="lineNum"> 599 </span> : /** +<span class="lineNum"> 600 </span> : * @brief Wrapper to test for an open file. +<span class="lineNum"> 601 </span> : * @return @c rdbuf()->is_open() +<span class="lineNum"> 602 </span> : */ +<span class="lineNum"> 603 </span> : bool +<span class="lineNum"> 604 </span><span class="lineNoCov"> 0 : is_open()</span> +<span class="lineNum"> 605 </span><span class="lineNoCov"> 0 : { return _M_filebuf.is_open(); }</span> +<span class="lineNum"> 606 </span> : +<span class="lineNum"> 607 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 608 </span> : // 365. Lack of const-qualification in clause 27 +<span class="lineNum"> 609 </span> : bool +<span class="lineNum"> 610 </span> : is_open() const +<span class="lineNum"> 611 </span> : { return _M_filebuf.is_open(); } +<span class="lineNum"> 612 </span> : +<span class="lineNum"> 613 </span> : /** +<span class="lineNum"> 614 </span> : * @brief Opens an external file. +<span class="lineNum"> 615 </span> : * @param s The name of the file. +<span class="lineNum"> 616 </span> : * @param mode The open mode flags. +<span class="lineNum"> 617 </span> : * +<span class="lineNum"> 618 </span> : * Calls @c std::basic_filebuf::open(s,mode|out|trunc). If that +<span class="lineNum"> 619 </span> : * function fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 620 </span> : * +<span class="lineNum"> 621 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 622 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 623 </span> : */ +<span class="lineNum"> 624 </span> : void +<span class="lineNum"> 625 </span> : open(const char* __s, +<span class="lineNum"> 626 </span><span class="lineNoCov"> 0 : ios_base::openmode __mode = ios_base::out | ios_base::trunc)</span> +<span class="lineNum"> 627 </span> : { +<span class="lineNum"> 628 </span><span class="lineNoCov"> 0 : if (!_M_filebuf.open(__s, __mode | ios_base::out))</span> +<span class="lineNum"> 629 </span><span class="lineNoCov"> 0 : this->setstate(ios_base::failbit);</span> +<span class="lineNum"> 630 </span> : else +<span class="lineNum"> 631 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 632 </span> : // 409. Closing an fstream should clear error state +<span class="lineNum"> 633 </span><span class="lineNoCov"> 0 : this->clear();</span> +<span class="lineNum"> 634 </span><span class="lineNoCov"> 0 : }</span> +<span class="lineNum"> 635 </span> : +<span class="lineNum"> 636 </span> : /** +<span class="lineNum"> 637 </span> : * @brief Close the file. +<span class="lineNum"> 638 </span> : * +<span class="lineNum"> 639 </span> : * Calls @c std::basic_filebuf::close(). If that function +<span class="lineNum"> 640 </span> : * fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 641 </span> : */ +<span class="lineNum"> 642 </span> : void +<span class="lineNum"> 643 </span> : close() +<span class="lineNum"> 644 </span> : { +<span class="lineNum"> 645 </span> : if (!_M_filebuf.close()) +<span class="lineNum"> 646 </span> : this->setstate(ios_base::failbit); +<span class="lineNum"> 647 </span> : } +<span class="lineNum"> 648 </span> : }; +<span class="lineNum"> 649 </span> : +<span class="lineNum"> 650 </span> : +<span class="lineNum"> 651 </span> : // [27.8.1.11] Template class basic_fstream +<span class="lineNum"> 652 </span> : /** +<span class="lineNum"> 653 </span> : * @brief Controlling input and output for files. +<span class="lineNum"> 654 </span> : * +<span class="lineNum"> 655 </span> : * This class supports reading from and writing to named files, using +<span class="lineNum"> 656 </span> : * the inherited functions from std::basic_iostream. To control the +<span class="lineNum"> 657 </span> : * associated sequence, an instance of std::basic_filebuf is used, which +<span class="lineNum"> 658 </span> : * this page refers to as @c sb. +<span class="lineNum"> 659 </span> : */ +<span class="lineNum"> 660 </span> : template<typename _CharT, typename _Traits> +<span class="lineNum"> 661 </span> : class basic_fstream : public basic_iostream<_CharT, _Traits> +<span class="lineNum"> 662 </span> : { +<span class="lineNum"> 663 </span> : public: +<span class="lineNum"> 664 </span> : // Types: +<span class="lineNum"> 665 </span> : typedef _CharT char_type; +<span class="lineNum"> 666 </span> : typedef _Traits traits_type; +<span class="lineNum"> 667 </span> : typedef typename traits_type::int_type int_type; +<span class="lineNum"> 668 </span> : typedef typename traits_type::pos_type pos_type; +<span class="lineNum"> 669 </span> : typedef typename traits_type::off_type off_type; +<span class="lineNum"> 670 </span> : +<span class="lineNum"> 671 </span> : // Non-standard types: +<span class="lineNum"> 672 </span> : typedef basic_filebuf<char_type, traits_type> __filebuf_type; +<span class="lineNum"> 673 </span> : typedef basic_ios<char_type, traits_type> __ios_type; +<span class="lineNum"> 674 </span> : typedef basic_iostream<char_type, traits_type> __iostream_type; +<span class="lineNum"> 675 </span> : +<span class="lineNum"> 676 </span> : private: +<span class="lineNum"> 677 </span> : __filebuf_type _M_filebuf; +<span class="lineNum"> 678 </span> : +<span class="lineNum"> 679 </span> : public: +<span class="lineNum"> 680 </span> : // Constructors/destructor: +<span class="lineNum"> 681 </span> : /** +<span class="lineNum"> 682 </span> : * @brief Default constructor. +<span class="lineNum"> 683 </span> : * +<span class="lineNum"> 684 </span> : * Initializes @c sb using its default constructor, and passes +<span class="lineNum"> 685 </span> : * @c &sb to the base class initializer. Does not open any files +<span class="lineNum"> 686 </span> : * (you haven't given it a filename to open). +<span class="lineNum"> 687 </span> : */ +<span class="lineNum"> 688 </span> : basic_fstream() +<span class="lineNum"> 689 </span> : : __iostream_type(), _M_filebuf() +<span class="lineNum"> 690 </span> : { this->init(&_M_filebuf); } +<span class="lineNum"> 691 </span> : +<span class="lineNum"> 692 </span> : /** +<span class="lineNum"> 693 </span> : * @brief Create an input/output file stream. +<span class="lineNum"> 694 </span> : * @param s Null terminated string specifying the filename. +<span class="lineNum"> 695 </span> : * @param mode Open file in specified mode (see std::ios_base). +<span class="lineNum"> 696 </span> : * +<span class="lineNum"> 697 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 698 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 699 </span> : */ +<span class="lineNum"> 700 </span> : explicit +<span class="lineNum"> 701 </span> : basic_fstream(const char* __s, +<span class="lineNum"> 702 </span> : ios_base::openmode __mode = ios_base::in | ios_base::out) +<span class="lineNum"> 703 </span> : : __iostream_type(NULL), _M_filebuf() +<span class="lineNum"> 704 </span> : { +<span class="lineNum"> 705 </span> : this->init(&_M_filebuf); +<span class="lineNum"> 706 </span> : this->open(__s, __mode); +<span class="lineNum"> 707 </span> : } +<span class="lineNum"> 708 </span> : +<span class="lineNum"> 709 </span> : /** +<span class="lineNum"> 710 </span> : * @brief The destructor does nothing. +<span class="lineNum"> 711 </span> : * +<span class="lineNum"> 712 </span> : * The file is closed by the filebuf object, not the formatting +<span class="lineNum"> 713 </span> : * stream. +<span class="lineNum"> 714 </span> : */ +<span class="lineNum"> 715 </span> : ~basic_fstream() +<span class="lineNum"> 716 </span> : { } +<span class="lineNum"> 717 </span> : +<span class="lineNum"> 718 </span> : // Members: +<span class="lineNum"> 719 </span> : /** +<span class="lineNum"> 720 </span> : * @brief Accessing the underlying buffer. +<span class="lineNum"> 721 </span> : * @return The current basic_filebuf buffer. +<span class="lineNum"> 722 </span> : * +<span class="lineNum"> 723 </span> : * This hides both signatures of std::basic_ios::rdbuf(). +<span class="lineNum"> 724 </span> : */ +<span class="lineNum"> 725 </span> : __filebuf_type* +<span class="lineNum"> 726 </span> : rdbuf() const +<span class="lineNum"> 727 </span> : { return const_cast<__filebuf_type*>(&_M_filebuf); } +<span class="lineNum"> 728 </span> : +<span class="lineNum"> 729 </span> : /** +<span class="lineNum"> 730 </span> : * @brief Wrapper to test for an open file. +<span class="lineNum"> 731 </span> : * @return @c rdbuf()->is_open() +<span class="lineNum"> 732 </span> : */ +<span class="lineNum"> 733 </span> : bool +<span class="lineNum"> 734 </span> : is_open() +<span class="lineNum"> 735 </span> : { return _M_filebuf.is_open(); } +<span class="lineNum"> 736 </span> : +<span class="lineNum"> 737 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 738 </span> : // 365. Lack of const-qualification in clause 27 +<span class="lineNum"> 739 </span> : bool +<span class="lineNum"> 740 </span> : is_open() const +<span class="lineNum"> 741 </span> : { return _M_filebuf.is_open(); } +<span class="lineNum"> 742 </span> : +<span class="lineNum"> 743 </span> : /** +<span class="lineNum"> 744 </span> : * @brief Opens an external file. +<span class="lineNum"> 745 </span> : * @param s The name of the file. +<span class="lineNum"> 746 </span> : * @param mode The open mode flags. +<span class="lineNum"> 747 </span> : * +<span class="lineNum"> 748 </span> : * Calls @c std::basic_filebuf::open(s,mode). If that +<span class="lineNum"> 749 </span> : * function fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 750 </span> : * +<span class="lineNum"> 751 </span> : * Tip: When using std::string to hold the filename, you must use +<span class="lineNum"> 752 </span> : * .c_str() before passing it to this constructor. +<span class="lineNum"> 753 </span> : */ +<span class="lineNum"> 754 </span> : void +<span class="lineNum"> 755 </span> : open(const char* __s, +<span class="lineNum"> 756 </span> : ios_base::openmode __mode = ios_base::in | ios_base::out) +<span class="lineNum"> 757 </span> : { +<span class="lineNum"> 758 </span> : if (!_M_filebuf.open(__s, __mode)) +<span class="lineNum"> 759 </span> : this->setstate(ios_base::failbit); +<span class="lineNum"> 760 </span> : else +<span class="lineNum"> 761 </span> : // _GLIBCXX_RESOLVE_LIB_DEFECTS +<span class="lineNum"> 762 </span> : // 409. Closing an fstream should clear error state +<span class="lineNum"> 763 </span> : this->clear(); +<span class="lineNum"> 764 </span> : } +<span class="lineNum"> 765 </span> : +<span class="lineNum"> 766 </span> : /** +<span class="lineNum"> 767 </span> : * @brief Close the file. +<span class="lineNum"> 768 </span> : * +<span class="lineNum"> 769 </span> : * Calls @c std::basic_filebuf::close(). If that function +<span class="lineNum"> 770 </span> : * fails, @c failbit is set in the stream's error state. +<span class="lineNum"> 771 </span> : */ +<span class="lineNum"> 772 </span> : void +<span class="lineNum"> 773 </span> : close() +<span class="lineNum"> 774 </span> : { +<span class="lineNum"> 775 </span> : if (!_M_filebuf.close()) +<span class="lineNum"> 776 </span> : this->setstate(ios_base::failbit); +<span class="lineNum"> 777 </span> : } +<span class="lineNum"> 778 </span> : }; +<span class="lineNum"> 779 </span> : +<span class="lineNum"> 780 </span> : _GLIBCXX_END_NAMESPACE +<span class="lineNum"> 781 </span> : +<span class="lineNum"> 782 </span> : #ifndef _GLIBCXX_EXPORT_TEMPLATE +<span class="lineNum"> 783 </span> : # include <bits/fstream.tcc> +<span class="lineNum"> 784 </span> : #endif +<span class="lineNum"> 785 </span> : +<span class="lineNum"> 786 </span> : #endif /* _GLIBCXX_FSTREAM */ +</pre> + </td> + </tr> + </table> + <br> + + <table width="100%" border=0 cellspacing=0 cellpadding=0> + <tr><td class="ruler"><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr> + <tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr> + </table> + <br> + +</body> +</html> |