Mercurial > octave
annotate libinterp/corefcn/c-file-ptr-stream.h @ 25438:cb1606f78f6b
prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
Using <iostream> brings with it a static initializer for the std::cin,
std::cout, and std::cerr streams. In most cases they are not needed
and should be avoided if possible.
Files affected:
build-aux/mk-opts.pl
libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp
libinterp/corefcn/__dsearchn__.cc
libinterp/corefcn/c-file-ptr-stream.cc
libinterp/corefcn/c-file-ptr-stream.h
libinterp/corefcn/daspk.cc
libinterp/corefcn/dasrt.cc
libinterp/corefcn/dassl.cc
libinterp/corefcn/defaults.cc
libinterp/corefcn/defun.cc
libinterp/corefcn/file-io.cc
libinterp/corefcn/ft-text-renderer.cc
libinterp/corefcn/gl-render.cc
libinterp/corefcn/help.cc
libinterp/corefcn/ls-ascii-helper.cc
libinterp/corefcn/ls-hdf5.cc
libinterp/corefcn/ls-hdf5.h
libinterp/corefcn/ls-mat-ascii.cc
libinterp/corefcn/ls-mat4.cc
libinterp/corefcn/ls-mat5.cc
libinterp/corefcn/ls-oct-binary.cc
libinterp/corefcn/ls-oct-text.cc
libinterp/corefcn/lsode.cc
libinterp/corefcn/oct-iostrm.cc
libinterp/corefcn/oct-procbuf.cc
libinterp/corefcn/oct-stdstrm.h
libinterp/corefcn/procstream.cc
libinterp/corefcn/procstream.h
libinterp/corefcn/quad.cc
libinterp/corefcn/symscope.h
libinterp/corefcn/symtab.h
libinterp/corefcn/toplev.cc
libinterp/corefcn/urlwrite.cc
libinterp/corefcn/utils.cc
libinterp/corefcn/zfstream.cc
libinterp/dldfcn/__ode15__.cc
libinterp/dldfcn/convhulln.cc
libinterp/octave-value/ov-base-diag.cc
libinterp/octave-value/ov-base-int.cc
libinterp/octave-value/ov-base-mat.cc
libinterp/octave-value/ov-base-scalar.cc
libinterp/octave-value/ov-base-sparse.cc
libinterp/octave-value/ov-base.cc
libinterp/octave-value/ov-bool-mat.cc
libinterp/octave-value/ov-bool-sparse.cc
libinterp/octave-value/ov-bool.cc
libinterp/octave-value/ov-cell.cc
libinterp/octave-value/ov-ch-mat.cc
libinterp/octave-value/ov-class.cc
libinterp/octave-value/ov-colon.cc
libinterp/octave-value/ov-complex.cc
libinterp/octave-value/ov-cs-list.cc
libinterp/octave-value/ov-cx-mat.cc
libinterp/octave-value/ov-cx-sparse.cc
libinterp/octave-value/ov-fcn-handle.cc
libinterp/octave-value/ov-fcn-inline.cc
libinterp/octave-value/ov-float.cc
libinterp/octave-value/ov-flt-complex.cc
libinterp/octave-value/ov-flt-cx-mat.cc
libinterp/octave-value/ov-flt-re-mat.cc
libinterp/octave-value/ov-int16.cc
libinterp/octave-value/ov-int32.cc
libinterp/octave-value/ov-int64.cc
libinterp/octave-value/ov-int8.cc
libinterp/octave-value/ov-java.cc
libinterp/octave-value/ov-range.cc
libinterp/octave-value/ov-re-mat.cc
libinterp/octave-value/ov-re-sparse.cc
libinterp/octave-value/ov-scalar.cc
libinterp/octave-value/ov-str-mat.cc
libinterp/octave-value/ov-struct.cc
libinterp/octave-value/ov-typeinfo.cc
libinterp/octave-value/ov-uint16.cc
libinterp/octave-value/ov-uint32.cc
libinterp/octave-value/ov-uint64.cc
libinterp/octave-value/ov-uint8.cc
libinterp/octave.cc
libinterp/parse-tree/bp-table.cc
libinterp/parse-tree/lex.h
libinterp/parse-tree/profiler.cc
libinterp/parse-tree/pt-arg-list.cc
libinterp/parse-tree/pt-array-list.cc
libinterp/parse-tree/pt-assign.cc
libinterp/parse-tree/pt-cell.cc
libinterp/parse-tree/pt-const.cc
libinterp/parse-tree/pt-eval.cc
libinterp/parse-tree/pt-exp.cc
libinterp/parse-tree/pt-fcn-handle.cc
libinterp/parse-tree/pt-jit.cc
libinterp/parse-tree/pt-pr-code.cc
libinterp/parse-tree/pt-tm-const.cc
libinterp/parse-tree/pt.cc
liboctave/array/Array.cc
liboctave/array/CColVector.cc
liboctave/array/CDiagMatrix.cc
liboctave/array/CMatrix.cc
liboctave/array/CNDArray.cc
liboctave/array/CRowVector.cc
liboctave/array/CSparse.cc
liboctave/array/DiagArray2.cc
liboctave/array/MArray.cc
liboctave/array/Range.cc
liboctave/array/Sparse.cc
liboctave/array/boolMatrix.cc
liboctave/array/boolSparse.cc
liboctave/array/chMatrix.cc
liboctave/array/dColVector.cc
liboctave/array/dDiagMatrix.cc
liboctave/array/dMatrix.cc
liboctave/array/dNDArray.cc
liboctave/array/dRowVector.cc
liboctave/array/dSparse.cc
liboctave/array/fCColVector.cc
liboctave/array/fCDiagMatrix.cc
liboctave/array/fCMatrix.cc
liboctave/array/fCNDArray.cc
liboctave/array/fCRowVector.cc
liboctave/array/fColVector.cc
liboctave/array/fDiagMatrix.cc
liboctave/array/fMatrix.cc
liboctave/array/fNDArray.cc
liboctave/array/fRowVector.cc
liboctave/array/idx-vector.cc
liboctave/numeric/CollocWt.cc
liboctave/numeric/eigs-base.cc
liboctave/system/file-ops.cc
liboctave/system/oct-time.cc
liboctave/util/cmd-hist.cc
liboctave/util/data-conv.cc
liboctave/util/data-conv.h
liboctave/util/file-info.cc
liboctave/util/lo-utils.cc
liboctave/util/lo-utils.h
liboctave/util/quit.cc
liboctave/util/str-vec.cc
liboctave/util/url-transfer.cc
liboctave/util/url-transfer.h
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 07 Jun 2018 10:11:54 -0400 |
| parents | 6652d3823428 |
| children | 37132909ac91 |
| rev | line source |
|---|---|
| 3628 | 1 /* |
| 2 | |
|
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3 Copyright (C) 2000-2018 John W. Eaton |
| 3628 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
|
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7 Octave is free software: you can redistribute it and/or modify it |
|
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8 under the terms of the GNU General Public License as published by |
|
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9 the Free Software Foundation, either version 3 of the License, or |
|
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10 (at your option) any later version. |
| 3628 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
|
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
| 3628 | 16 |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
|
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19 <https://www.gnu.org/licenses/>. |
| 3628 | 20 |
| 21 */ | |
| 22 | |
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23 #if ! defined (octave_c_file_ptr_stream_h) |
| 3628 | 24 #define octave_c_file_ptr_stream_h 1 |
| 25 | |
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26 #include "octave-config.h" |
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27 |
| 3775 | 28 #include <cstdio> |
| 3628 | 29 |
|
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30 #include <iosfwd> |
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31 #include <streambuf> |
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32 |
| 3628 | 33 class |
| 4310 | 34 c_file_ptr_buf : public std::streambuf |
| 3628 | 35 { |
| 36 public: | |
| 37 | |
| 4310 | 38 typedef std::streambuf::int_type int_type; |
| 3775 | 39 |
| 3716 | 40 typedef int (*close_fcn) (FILE *); |
| 41 | |
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42 FILE *stdiofile (void) { return f; } |
| 3628 | 43 |
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44 c_file_ptr_buf (FILE *f_arg, close_fcn cf_arg = file_close) |
| 4310 | 45 : std::streambuf (), f (f_arg), cf (cf_arg) |
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46 { } |
| 3628 | 47 |
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48 // No copying! |
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49 |
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50 c_file_ptr_buf (const c_file_ptr_buf&) = delete; |
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51 |
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52 c_file_ptr_buf& operator = (const c_file_ptr_buf&) = delete; |
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53 |
| 3628 | 54 ~c_file_ptr_buf (void); |
| 55 | |
| 3775 | 56 int_type overflow (int_type); |
| 3628 | 57 |
| 4310 | 58 int_type underflow (void) { return underflow_common (false); } |
| 3628 | 59 |
| 4310 | 60 int_type uflow (void) { return underflow_common (true); } |
| 3628 | 61 |
| 3775 | 62 int_type pbackfail (int_type); |
| 3628 | 63 |
| 64 std::streamsize xsputn (const char*, std::streamsize); | |
| 65 | |
| 66 std::streamsize xsgetn (char *, std::streamsize); | |
| 67 | |
| 68 std::streampos seekoff (std::streamoff, std::ios::seekdir, | |
| 10313 | 69 std::ios::openmode = std::ios::in | std::ios::out); |
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70 |
| 3628 | 71 std::streampos seekpos (std::streampos, |
| 10313 | 72 std::ios::openmode = std::ios::in | std::ios::out); |
| 3628 | 73 |
| 74 int sync (void); | |
| 3644 | 75 |
| 3652 | 76 int flush (void); |
| 77 | |
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78 int buf_close (void); |
| 3652 | 79 |
| 4310 | 80 int file_number () const { return f ? fileno (f) : -1; } |
| 3775 | 81 |
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82 int seek (off_t offset, int origin); |
| 4797 | 83 |
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84 off_t tell (void); |
| 4797 | 85 |
| 4888 | 86 void clear (void) { if (f) clearerr (f); } |
| 87 | |
| 10411 | 88 static int file_close (FILE *f); |
| 3951 | 89 |
| 3644 | 90 protected: |
| 91 | |
| 92 FILE *f; | |
| 3716 | 93 |
| 94 close_fcn cf; | |
| 3775 | 95 |
| 96 private: | |
| 97 | |
| 4310 | 98 int_type underflow_common (bool); |
| 3628 | 99 }; |
| 100 | |
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101 // FIXME: the following three classes could probably share some code... |
| 5325 | 102 |
| 103 template <typename STREAM_T, typename FILE_T, typename BUF_T> | |
| 3628 | 104 class |
| 5325 | 105 c_file_ptr_stream : public STREAM_T |
| 3628 | 106 { |
| 3644 | 107 public: |
| 108 | |
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109 c_file_ptr_stream (FILE_T f, typename BUF_T::close_fcn cf = BUF_T::file_close) |
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110 : STREAM_T (nullptr), buf (new BUF_T (f, cf)) { STREAM_T::init (buf); } |
| 3644 | 111 |
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112 // No copying! |
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113 |
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114 c_file_ptr_stream (const c_file_ptr_stream&) = delete; |
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115 |
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116 c_file_ptr_stream& operator = (const c_file_ptr_stream&) = delete; |
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117 |
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118 ~c_file_ptr_stream (void) { delete buf; buf = nullptr; } |
| 3644 | 119 |
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120 BUF_T * rdbuf (void) { return buf; } |
| 3644 | 121 |
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122 void stream_close (void) { if (buf) buf->buf_close (); } |
| 3652 | 123 |
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124 int seek (off_t offset, int origin) |
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125 { return buf ? buf->seek (offset, origin) : -1; } |
| 4797 | 126 |
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127 off_t tell (void) { return buf ? buf->tell () : -1; } |
| 4797 | 128 |
| 5325 | 129 void clear (void) { if (buf) buf->clear (); STREAM_T::clear (); } |
| 4888 | 130 |
| 3628 | 131 private: |
| 132 | |
| 5325 | 133 BUF_T *buf; |
| 3628 | 134 }; |
| 135 | |
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136 typedef c_file_ptr_stream<std::istream, FILE *, c_file_ptr_buf> |
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137 i_c_file_ptr_stream; |
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138 typedef c_file_ptr_stream<std::ostream, FILE *, c_file_ptr_buf> |
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139 o_c_file_ptr_stream; |
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140 typedef c_file_ptr_stream<std::iostream, FILE *, c_file_ptr_buf> |
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141 io_c_file_ptr_stream; |
| 5325 | 142 |
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143 #if defined (HAVE_ZLIB) |
| 5325 | 144 |
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145 #if defined (HAVE_ZLIB_H) |
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146 # include <zlib.h> |
| 5325 | 147 #endif |
| 148 | |
| 3628 | 149 class |
| 5325 | 150 c_zfile_ptr_buf : public std::streambuf |
| 3628 | 151 { |
| 3644 | 152 public: |
| 153 | |
| 5325 | 154 typedef std::streambuf::int_type int_type; |
| 155 | |
| 156 typedef int (*close_fcn) (gzFile); | |
| 157 | |
| 158 gzFile stdiofile (void) { return f; } | |
| 159 | |
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160 c_zfile_ptr_buf (gzFile f_arg, close_fcn cf_arg = file_close) |
| 5325 | 161 : std::streambuf (), f (f_arg), cf (cf_arg) |
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162 { } |
| 5325 | 163 |
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164 // No copying! |
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165 |
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166 c_zfile_ptr_buf (const c_zfile_ptr_buf&) = delete; |
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167 |
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168 c_zfile_ptr_buf& operator = (const c_zfile_ptr_buf&) = delete; |
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169 |
| 5325 | 170 ~c_zfile_ptr_buf (void); |
| 171 | |
| 172 int_type overflow (int_type); | |
| 173 | |
| 174 int_type underflow (void) { return underflow_common (false); } | |
| 3644 | 175 |
| 5325 | 176 int_type uflow (void) { return underflow_common (true); } |
| 177 | |
| 178 int_type pbackfail (int_type); | |
| 179 | |
| 180 std::streamsize xsputn (const char*, std::streamsize); | |
| 181 | |
| 182 std::streamsize xsgetn (char *, std::streamsize); | |
| 3644 | 183 |
| 5325 | 184 std::streampos seekoff (std::streamoff, std::ios::seekdir, |
| 10313 | 185 std::ios::openmode = std::ios::in | std::ios::out); |
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186 |
| 5325 | 187 std::streampos seekpos (std::streampos, |
| 10313 | 188 std::ios::openmode = std::ios::in | std::ios::out); |
| 3644 | 189 |
| 5325 | 190 int sync (void); |
| 191 | |
| 192 int flush (void); | |
| 193 | |
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194 int buf_close (void); |
| 5325 | 195 |
| 196 int file_number () const { return -1; } | |
| 4326 | 197 |
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198 int seek (off_t offset, int origin) |
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199 { return f ? gzseek (f, offset, origin) >= 0 : -1; } |
| 5325 | 200 |
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201 off_t tell (void) { return f ? gztell (f) : -1; } |
| 5325 | 202 |
| 203 void clear (void) { if (f) gzclearerr (f); } | |
| 4797 | 204 |
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205 static int file_close (gzFile f) { return ::gzclose (f); } |
| 5325 | 206 |
| 207 protected: | |
| 4797 | 208 |
| 5325 | 209 gzFile f; |
| 210 | |
| 211 close_fcn cf; | |
| 4888 | 212 |
| 4326 | 213 private: |
| 214 | |
| 5325 | 215 int_type underflow_common (bool); |
| 4326 | 216 }; |
| 217 | |
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218 typedef c_file_ptr_stream<std::istream, gzFile, c_zfile_ptr_buf> |
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219 i_c_zfile_ptr_stream; |
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220 typedef c_file_ptr_stream<std::ostream, gzFile, c_zfile_ptr_buf> |
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221 o_c_zfile_ptr_stream; |
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222 typedef c_file_ptr_stream<std::iostream, gzFile, c_zfile_ptr_buf> |
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223 io_c_zfile_ptr_stream; |
| 4326 | 224 |
| 5325 | 225 #endif |
| 3628 | 226 |
| 227 #endif |