Mercurial > octave-nkf
annotate libinterp/corefcn/oct-stream.h @ 20267:a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
* liboctave/array/Array.h (Array::length): deprecate for ::numel.
* liboctave/array/Sparse.h (Sparse::length): deprecate for ::numel.
* libgui/graphics/QtHandlesUtils.cc, libgui/src/octave-qt-link.cc,
libinterp/corefcn/Cell.cc, libinterp/corefcn/__contourc__.cc,
libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc,
libinterp/corefcn/cellfun.cc, libinterp/corefcn/daspk.cc,
libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc,
libinterp/corefcn/data.cc, libinterp/corefcn/filter.cc,
libinterp/corefcn/find.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/gl-render.h, libinterp/corefcn/graphics.cc,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/help.cc,
libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc,
libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc,
libinterp/corefcn/ls-oct-ascii.h, libinterp/corefcn/lsode.cc,
libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc,
libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h,
libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-stream.cc,
libinterp/corefcn/oct-stream.h, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/quadcc.cc, libinterp/corefcn/rand.cc,
libinterp/corefcn/regexp.cc, libinterp/corefcn/strfns.cc,
libinterp/corefcn/sub2ind.cc, libinterp/corefcn/symtab.h,
libinterp/corefcn/syscalls.cc, libinterp/corefcn/tsearch.cc,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc,
libinterp/corefcn/variables.cc, libinterp/corefcn/xdiv.cc,
libinterp/corefcn/xpow.cc, libinterp/dldfcn/__glpk__.cc,
libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__magick_read__.cc,
libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/ccolamd.cc,
libinterp/dldfcn/colamd.cc, libinterp/octave-value/ov-cell.cc,
libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h,
libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc,
libinterp/octave-value/ov-perm.cc, libinterp/octave-value/ov-struct.cc,
libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov.cc,
libinterp/operators/op-int.h, libinterp/parse-tree/pt-pr-code.cc,
liboctave/array/Array-util.cc, liboctave/array/Array.cc,
liboctave/array/CColVector.cc, liboctave/array/CDiagMatrix.cc,
liboctave/array/CMatrix.cc, liboctave/array/CRowVector.cc,
liboctave/array/DiagArray2.cc, liboctave/array/DiagArray2.h,
liboctave/array/MArray.cc, liboctave/array/PermMatrix.cc,
liboctave/array/PermMatrix.h, liboctave/array/Sparse.cc,
liboctave/array/boolMatrix.cc, liboctave/array/chMatrix.cc,
liboctave/array/chNDArray.cc, liboctave/array/dColVector.cc,
liboctave/array/dDiagMatrix.cc, liboctave/array/dMatrix.cc,
liboctave/array/dRowVector.cc, liboctave/array/fCColVector.cc,
liboctave/array/fCDiagMatrix.cc, liboctave/array/fCMatrix.cc,
liboctave/array/fCRowVector.cc, liboctave/array/fColVector.cc,
liboctave/array/fDiagMatrix.cc, liboctave/array/fMatrix.cc,
liboctave/array/fRowVector.cc, liboctave/array/idx-vector.cc,
liboctave/array/intNDArray.cc, liboctave/numeric/CmplxCHOL.cc,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxQR.cc,
liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc,
liboctave/numeric/DASSL.cc, liboctave/numeric/LSODE.cc,
liboctave/numeric/ODES.cc, liboctave/numeric/ODES.h,
liboctave/numeric/base-dae.h, liboctave/numeric/base-lu.cc,
liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleQR.cc, liboctave/numeric/eigs-base.cc,
liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxLU.cc,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/floatCHOL.cc,
liboctave/numeric/floatLU.cc, liboctave/numeric/floatQR.cc,
liboctave/numeric/lo-specfun.cc, liboctave/numeric/oct-rand.cc,
liboctave/numeric/oct-spparms.cc, liboctave/numeric/sparse-base-chol.cc,
liboctave/operators/mx-inlines.cc, liboctave/system/file-ops.cc,
liboctave/util/glob-match.h, liboctave/util/kpse.cc,
liboctave/util/lo-regexp.cc, liboctave/util/oct-glob.cc,
liboctave/util/pathsearch.cc, liboctave/util/str-vec.cc,
liboctave/util/str-vec.h, liboctave/util/url-transfer.cc: replace all usage
of Array::length() and Sparse::length() with ::numel().
| author | Carnë Draug <carandraug@octave.org> |
|---|---|
| date | Sat, 30 May 2015 03:14:07 +0100 |
| parents | 17a7e9f26e50 |
| children | 44eb1102f8a8 |
| rev | line source |
|---|---|
| 2117 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2117 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2117 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 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 |
| 19 <http://www.gnu.org/licenses/>. | |
| 2117 | 20 |
| 21 */ | |
| 22 | |
|
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23 #if !defined (octave_oct_stream_h) |
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24 #define octave_oct_stream_h 1 |
| 2117 | 25 |
| 2877 | 26 class Matrix; |
| 27 class string_vector; | |
| 28 class octave_value; | |
| 29 class octave_value_list; | |
| 2117 | 30 |
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31 #include <iosfwd> |
| 5765 | 32 #include <sstream> |
| 2877 | 33 #include <string> |
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34 #include <list> |
| 6757 | 35 #include <map> |
| 2117 | 36 |
| 37 #include "Array.h" | |
| 2317 | 38 #include "data-conv.h" |
| 3640 | 39 #include "lo-utils.h" |
| 2317 | 40 #include "mach-info.h" |
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41 #include "oct-refcount.h" |
| 2117 | 42 |
| 3640 | 43 class |
| 6109 | 44 OCTINTERP_API |
| 2117 | 45 scanf_format_elt |
| 46 { | |
| 3640 | 47 public: |
| 48 | |
| 3483 | 49 enum special_conversion |
|
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50 { |
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51 whitespace_conversion = 1, |
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52 literal_conversion = 2 |
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53 }; |
| 3483 | 54 |
| 2215 | 55 scanf_format_elt (const char *txt = 0, int w = 0, bool d = false, |
| 10313 | 56 char typ = '\0', char mod = '\0', |
| 57 const std::string& ch_class = std::string ()) | |
| 3640 | 58 : text (strsave (txt)), width (w), discard (d), type (typ), |
| 59 modifier (mod), char_class (ch_class) { } | |
| 60 | |
| 61 scanf_format_elt (const scanf_format_elt& e) | |
| 62 : text (strsave (e.text)), width (e.width), discard (e.discard), | |
| 63 type (e.type), modifier (e.modifier), char_class (e.char_class) { } | |
| 2117 | 64 |
| 3640 | 65 scanf_format_elt& operator = (const scanf_format_elt& e) |
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66 { |
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67 if (this != &e) |
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68 { |
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69 text = strsave (e.text); |
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70 width = e.width; |
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71 discard = e.discard; |
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72 type = e.type; |
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73 modifier = e.modifier; |
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74 char_class = e.char_class; |
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75 } |
| 2117 | 76 |
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77 return *this; |
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78 } |
| 3640 | 79 |
| 80 ~scanf_format_elt (void) { delete [] text; } | |
| 81 | |
| 82 // The C-style format string. | |
| 2117 | 83 const char *text; |
| 3640 | 84 |
| 85 // The maximum field width. | |
| 2215 | 86 int width; |
| 3640 | 87 |
| 88 // TRUE if we are not storing the result of this conversion. | |
| 2117 | 89 bool discard; |
| 3640 | 90 |
|
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91 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g', |
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92 // 'c', 's', 'p', '%', or '['. |
| 2117 | 93 char type; |
| 3640 | 94 |
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95 // A length modifier -- 'h', 'l', or 'L'. |
| 2117 | 96 char modifier; |
| 3640 | 97 |
|
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98 // The class of characters in a '[' format. |
| 3523 | 99 std::string char_class; |
| 2117 | 100 }; |
| 101 | |
| 102 class | |
| 6109 | 103 OCTINTERP_API |
| 2117 | 104 scanf_format_list |
| 105 { | |
| 106 public: | |
| 107 | |
| 3523 | 108 scanf_format_list (const std::string& fmt = std::string ()); |
| 2117 | 109 |
| 110 ~scanf_format_list (void); | |
| 111 | |
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112 octave_idx_type num_conversions (void) { return nconv; } |
| 2117 | 113 |
| 2215 | 114 // The length can be different than the number of conversions. |
| 115 // For example, "x %d y %d z" has 2 conversions but the length of | |
| 116 // the list is 3 because of the characters that appear after the | |
| 117 // last conversion. | |
| 118 | |
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119 octave_idx_type length (void) { return list.numel (); } |
| 2215 | 120 |
| 2117 | 121 const scanf_format_elt *first (void) |
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122 { |
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123 curr_idx = 0; |
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124 return current (); |
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125 } |
| 2117 | 126 |
| 127 const scanf_format_elt *current (void) const | |
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128 { return list.numel () > 0 ? list.elem (curr_idx) : 0; } |
| 2117 | 129 |
| 3640 | 130 const scanf_format_elt *next (bool cycle = true) |
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131 { |
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132 curr_idx++; |
| 3640 | 133 |
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134 if (curr_idx >= list.numel ()) |
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135 { |
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136 if (cycle) |
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137 curr_idx = 0; |
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138 else |
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139 return 0; |
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140 } |
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141 return current (); |
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142 } |
| 2117 | 143 |
| 144 void printme (void) const; | |
| 145 | |
| 146 bool ok (void) const { return (nconv >= 0); } | |
| 147 | |
| 3145 | 148 operator bool () const { return ok (); } |
| 2117 | 149 |
| 150 bool all_character_conversions (void); | |
| 151 | |
| 152 bool all_numeric_conversions (void); | |
| 153 | |
| 154 private: | |
| 155 | |
| 3642 | 156 // Number of conversions specified by this format string, or -1 if |
| 2117 | 157 // invalid conversions have been found. |
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158 octave_idx_type nconv; |
| 2117 | 159 |
| 160 // Index to current element; | |
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161 octave_idx_type curr_idx; |
| 2117 | 162 |
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163 // FIXME: maybe LIST should be a std::list object? |
| 2117 | 164 // List of format elements. |
| 165 Array<scanf_format_elt*> list; | |
| 166 | |
| 167 // Temporary buffer. | |
| 5765 | 168 std::ostringstream *buf; |
| 2117 | 169 |
| 2215 | 170 void add_elt_to_list (int width, bool discard, char type, char modifier, |
| 10313 | 171 octave_idx_type& num_elts, |
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172 const std::string& char_class = std::string ()); |
| 2117 | 173 |
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174 void process_conversion (const std::string& s, size_t& i, size_t n, |
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175 int& width, bool& discard, char& type, |
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176 char& modifier, octave_idx_type& num_elts); |
| 2117 | 177 |
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178 int finish_conversion (const std::string& s, size_t& i, size_t n, |
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179 int& width, bool discard, char& type, |
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180 char modifier, octave_idx_type& num_elts); |
| 2117 | 181 // No copying! |
| 182 | |
| 183 scanf_format_list (const scanf_format_list&); | |
| 184 | |
| 185 scanf_format_list& operator = (const scanf_format_list&); | |
| 186 }; | |
| 187 | |
| 3640 | 188 class |
| 2117 | 189 printf_format_elt |
| 190 { | |
| 3640 | 191 public: |
| 192 | |
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193 printf_format_elt (const char *txt = 0, int n = 0, int w = -1, |
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194 int p = -1, const std::string& f = std::string (), |
| 10313 | 195 char typ = '\0', char mod = '\0') |
| 3640 | 196 : text (strsave (txt)), args (n), fw (w), prec (p), flags (f), |
| 197 type (typ), modifier (mod) { } | |
| 198 | |
| 199 printf_format_elt (const printf_format_elt& e) | |
| 200 : text (strsave (e.text)), args (e.args), fw (e.fw), prec (e.prec), | |
| 201 flags (e.flags), type (e.type), modifier (e.modifier) { } | |
| 202 | |
| 203 printf_format_elt& operator = (const printf_format_elt& e) | |
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204 { |
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205 if (this != &e) |
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206 { |
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207 text = strsave (e.text); |
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208 args = e.args; |
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209 fw = e.fw; |
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210 prec = e.prec; |
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211 flags = e.flags; |
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212 type = e.type; |
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213 modifier = e.modifier; |
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214 } |
| 2117 | 215 |
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216 return *this; |
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217 } |
| 2117 | 218 |
| 3640 | 219 ~printf_format_elt (void) { delete [] text; } |
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220 |
| 3640 | 221 // The C-style format string. |
| 2117 | 222 const char *text; |
| 3640 | 223 |
| 224 // How many args do we expect to consume? | |
| 2117 | 225 int args; |
| 3640 | 226 |
| 227 // Field width. | |
| 228 int fw; | |
| 229 | |
| 230 // Precision. | |
| 231 int prec; | |
| 232 | |
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233 // Flags -- '-', '+', ' ', '0', or '#'. |
| 3642 | 234 std::string flags; |
| 3640 | 235 |
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236 // Type of conversion -- 'd', 'i', 'o', 'x', 'X', 'u', 'c', 's', |
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237 // 'f', 'e', 'E', 'g', 'G', 'p', or '%' |
| 2117 | 238 char type; |
| 3640 | 239 |
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240 // A length modifier -- 'h', 'l', or 'L'. |
| 2117 | 241 char modifier; |
| 242 }; | |
| 243 | |
| 244 class | |
| 6109 | 245 OCTINTERP_API |
| 2117 | 246 printf_format_list |
| 247 { | |
| 248 public: | |
| 249 | |
| 3523 | 250 printf_format_list (const std::string& fmt = std::string ()); |
| 2117 | 251 |
| 252 ~printf_format_list (void); | |
| 253 | |
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254 octave_idx_type num_conversions (void) { return nconv; } |
| 2117 | 255 |
| 256 const printf_format_elt *first (void) | |
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257 { |
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258 curr_idx = 0; |
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259 return current (); |
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260 } |
| 2117 | 261 |
| 262 const printf_format_elt *current (void) const | |
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263 { return list.numel () > 0 ? list.elem (curr_idx) : 0; } |
| 2117 | 264 |
| 3640 | 265 const printf_format_elt *next (bool cycle = true) |
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266 { |
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267 curr_idx++; |
| 3640 | 268 |
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269 if (curr_idx >= list.numel ()) |
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270 { |
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271 if (cycle) |
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272 curr_idx = 0; |
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273 else |
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274 return 0; |
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275 } |
| 3640 | 276 |
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277 return current (); |
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278 } |
| 2117 | 279 |
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280 bool last_elt_p (void) { return (curr_idx + 1 == list.numel ()); } |
| 3640 | 281 |
| 2117 | 282 void printme (void) const; |
| 283 | |
| 284 bool ok (void) const { return (nconv >= 0); } | |
| 285 | |
| 3145 | 286 operator bool () const { return ok (); } |
| 2117 | 287 |
| 288 private: | |
| 289 | |
| 3642 | 290 // Number of conversions specified by this format string, or -1 if |
| 2117 | 291 // invalid conversions have been found. |
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292 octave_idx_type nconv; |
| 2117 | 293 |
| 294 // Index to current element; | |
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295 octave_idx_type curr_idx; |
| 2117 | 296 |
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297 // FIXME: maybe LIST should be a std::list object? |
| 2117 | 298 // List of format elements. |
| 299 Array<printf_format_elt*> list; | |
| 300 | |
| 301 // Temporary buffer. | |
| 5765 | 302 std::ostringstream *buf; |
| 2117 | 303 |
| 3640 | 304 void add_elt_to_list (int args, const std::string& flags, int fw, |
| 10313 | 305 int prec, char type, char modifier, |
| 306 octave_idx_type& num_elts); | |
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307 |
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308 void process_conversion (const std::string& s, size_t& i, size_t n, |
| 10313 | 309 int& args, std::string& flags, int& fw, |
| 310 int& prec, char& modifier, char& type, | |
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311 octave_idx_type& num_elts); |
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312 |
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313 void finish_conversion (const std::string& s, size_t& i, int args, |
| 10313 | 314 const std::string& flags, int fw, int prec, |
| 315 char modifier, char& type, | |
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316 octave_idx_type& num_elts); |
| 2117 | 317 |
| 318 // No copying! | |
| 319 | |
| 320 printf_format_list (const printf_format_list&); | |
| 321 | |
| 322 printf_format_list& operator = (const printf_format_list&); | |
| 323 }; | |
| 324 | |
| 325 // Provide an interface for Octave streams. | |
| 326 | |
| 327 class | |
| 6109 | 328 OCTINTERP_API |
| 2117 | 329 octave_base_stream |
| 330 { | |
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331 friend class octave_stream; |
| 2117 | 332 |
| 333 public: | |
| 334 | |
| 3544 | 335 octave_base_stream (std::ios::openmode arg_md = std::ios::in|std::ios::out, |
| 10313 | 336 oct_mach_info::float_format ff |
| 337 = oct_mach_info::native_float_format ()) | |
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338 : count (0), md (arg_md), flt_fmt (ff), fail (false), open_state (true), |
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339 errmsg () |
| 3340 | 340 { } |
| 2117 | 341 |
| 342 virtual ~octave_base_stream (void) { } | |
| 343 | |
| 344 // The remaining functions are not specific to input or output only, | |
| 345 // and must be provided by the derived classes. | |
| 346 | |
| 347 // Position a stream at OFFSET relative to ORIGIN. | |
| 348 | |
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349 virtual int seek (off_t offset, int origin) = 0; |
| 2117 | 350 |
| 351 // Return current stream position. | |
| 352 | |
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353 virtual off_t tell (void) = 0; |
| 2117 | 354 |
| 3340 | 355 // Return TRUE if EOF has been reached on this stream. |
| 2117 | 356 |
| 357 virtual bool eof (void) const = 0; | |
| 358 | |
| 359 // The name of the file. | |
| 360 | |
| 3523 | 361 virtual std::string name (void) const = 0; |
| 2117 | 362 |
| 363 // If the derived class provides this function and it returns a | |
| 364 // pointer to a valid istream, scanf(), read(), getl(), and gets() | |
| 365 // will automatically work for this stream. | |
| 366 | |
| 3523 | 367 virtual std::istream *input_stream (void) { return 0; } |
| 2117 | 368 |
| 369 // If the derived class provides this function and it returns a | |
| 370 // pointer to a valid ostream, flush(), write(), and printf() will | |
| 371 // automatically work for this stream. | |
| 372 | |
| 3523 | 373 virtual std::ostream *output_stream (void) { return 0; } |
| 2117 | 374 |
| 3340 | 375 // Return TRUE if this stream is open. |
| 376 | |
| 377 bool is_open (void) const { return open_state; } | |
| 378 | |
| 3652 | 379 virtual void do_close (void) { } |
| 380 | |
| 381 void close (void) | |
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382 { |
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383 if (is_open ()) |
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384 { |
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385 open_state = false; |
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386 do_close (); |
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387 } |
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388 } |
| 3340 | 389 |
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390 virtual int file_number (void) const |
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391 { |
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392 // Kluge alert! |
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393 |
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394 if (name () == "stdin") |
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395 return 0; |
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396 else if (name () == "stdout") |
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397 return 1; |
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398 else if (name () == "stderr") |
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399 return 2; |
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400 else |
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401 return -1; |
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402 } |
| 3145 | 403 |
| 2117 | 404 bool ok (void) const { return ! fail; } |
| 405 | |
| 406 // Return current error message for this stream. | |
| 407 | |
| 3523 | 408 std::string error (bool clear, int& err_num); |
| 2117 | 409 |
| 410 protected: | |
| 411 | |
| 3340 | 412 int mode (void) const { return md; } |
| 2117 | 413 |
| 3340 | 414 oct_mach_info::float_format float_format (void) const { return flt_fmt; } |
| 2117 | 415 |
| 416 // Set current error state and set fail to TRUE. | |
| 417 | |
| 3523 | 418 void error (const std::string& msg); |
| 4468 | 419 void error (const std::string& who, const std::string& msg); |
| 2117 | 420 |
| 421 // Clear any error message and set fail to FALSE. | |
| 422 | |
| 423 void clear (void); | |
| 424 | |
| 4889 | 425 // Clear stream state. |
| 426 | |
| 427 void clearerr (void); | |
| 428 | |
| 2117 | 429 private: |
| 430 | |
| 3340 | 431 // A reference count. |
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432 octave_refcount<octave_idx_type> count; |
| 3340 | 433 |
| 2117 | 434 // The permission bits for the file. Should be some combination of |
| 3544 | 435 // std::ios::open_mode bits. |
| 2117 | 436 int md; |
| 437 | |
| 438 // Data format. | |
| 2317 | 439 oct_mach_info::float_format flt_fmt; |
| 2117 | 440 |
| 441 // TRUE if an error has occurred. | |
| 442 bool fail; | |
| 443 | |
| 3340 | 444 // TRUE if this stream is open. |
| 445 bool open_state; | |
| 446 | |
| 2117 | 447 // Should contain error message if fail is TRUE. |
| 3523 | 448 std::string errmsg; |
| 2117 | 449 |
| 450 // Functions that are defined for all input streams (input streams | |
| 451 // are those that define is). | |
| 452 | |
| 5275 | 453 std::string do_gets (octave_idx_type max_len, bool& err, bool strip_newline, |
| 10313 | 454 const std::string& who /* = "gets" */); |
| 2117 | 455 |
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456 std::string getl (octave_idx_type max_len, bool& err, |
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457 const std::string& who /* = "getl" */); |
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458 std::string gets (octave_idx_type max_len, bool& err, |
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459 const std::string& who /* = "gets" */); |
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460 off_t skipl (off_t count, bool& err, const std::string& who /* = "skipl" */); |
| 2117 | 461 |
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462 octave_value do_scanf (scanf_format_list& fmt_list, octave_idx_type nr, |
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463 octave_idx_type nc, |
| 10313 | 464 bool one_elt_size_spec, octave_idx_type& count, |
| 465 const std::string& who /* = "scanf" */); | |
| 2117 | 466 |
| 4468 | 467 octave_value scanf (const std::string& fmt, const Array<double>& size, |
| 10313 | 468 octave_idx_type& count, const std::string& who /* = "scanf" */); |
| 2117 | 469 |
| 4468 | 470 bool do_oscanf (const scanf_format_elt *elt, octave_value&, |
| 10313 | 471 const std::string& who /* = "scanf" */); |
| 2117 | 472 |
| 4468 | 473 octave_value_list oscanf (const std::string& fmt, |
| 10313 | 474 const std::string& who /* = "scanf" */); |
| 2215 | 475 |
| 2117 | 476 // Functions that are defined for all output streams (output streams |
| 477 // are those that define os). | |
| 478 | |
| 479 int flush (void); | |
| 480 | |
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481 int do_numeric_printf_conv (std::ostream& os, const printf_format_elt *elt, |
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482 int nsa, int sa_1, int sa_2, |
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483 const octave_value& val, |
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484 const std::string& who); |
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485 |
| 4468 | 486 int do_printf (printf_format_list& fmt_list, const octave_value_list& args, |
| 10313 | 487 const std::string& who /* = "printf" */); |
| 2117 | 488 |
| 4468 | 489 int printf (const std::string& fmt, const octave_value_list& args, |
| 10313 | 490 const std::string& who /* = "printf" */); |
| 2117 | 491 |
| 4468 | 492 int puts (const std::string& s, const std::string& who /* = "puts" */); |
| 2117 | 493 |
| 494 // We can always do this in terms of seek(), so the derived class | |
| 495 // only has to provide that. | |
| 496 | |
| 4468 | 497 void invalid_operation (const std::string& who, const char *rw); |
| 2117 | 498 |
| 499 // No copying! | |
| 500 | |
| 501 octave_base_stream (const octave_base_stream&); | |
| 502 | |
| 503 octave_base_stream& operator = (const octave_base_stream&); | |
| 504 }; | |
| 505 | |
| 506 class | |
| 6109 | 507 OCTINTERP_API |
| 2117 | 508 octave_stream |
| 509 { | |
| 510 public: | |
| 511 | |
| 3340 | 512 octave_stream (octave_base_stream *bs = 0); |
| 513 | |
| 514 ~octave_stream (void); | |
| 2117 | 515 |
| 3340 | 516 octave_stream (const octave_stream&); |
| 517 | |
| 518 octave_stream& operator = (const octave_stream&); | |
| 2117 | 519 |
| 520 int flush (void); | |
| 521 | |
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522 std::string getl (octave_idx_type max_len, bool& err, |
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523 const std::string& who /* = "getl" */); |
| 4468 | 524 std::string getl (const octave_value& max_len, bool& err, |
| 10313 | 525 const std::string& who /* = "getl" */); |
| 2117 | 526 |
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527 std::string gets (octave_idx_type max_len, bool& err, |
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528 const std::string& who /* = "gets" */); |
| 4468 | 529 std::string gets (const octave_value& max_len, bool& err, |
| 10313 | 530 const std::string& who /* = "gets" */); |
| 2117 | 531 |
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532 off_t skipl (off_t count, bool& err, const std::string& who /* = "skipl" */); |
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533 off_t skipl (const octave_value& count, bool& err, |
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534 const std::string& who /* = "skipl" */); |
| 9701 | 535 |
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536 int seek (off_t offset, int origin); |
| 2117 | 537 int seek (const octave_value& offset, const octave_value& origin); |
| 538 | |
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539 off_t tell (void); |
| 2117 | 540 |
| 541 int rewind (void); | |
| 542 | |
| 3340 | 543 bool is_open (void) const; |
| 544 | |
| 545 void close (void); | |
| 546 | |
| 5275 | 547 octave_value read (const Array<double>& size, octave_idx_type block_size, |
| 10313 | 548 oct_data_conv::data_type input_type, |
| 549 oct_data_conv::data_type output_type, | |
| 550 octave_idx_type skip, oct_mach_info::float_format flt_fmt, | |
| 551 octave_idx_type& count); | |
| 2117 | 552 |
| 5275 | 553 octave_idx_type write (const octave_value& data, octave_idx_type block_size, |
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554 oct_data_conv::data_type output_type, |
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555 octave_idx_type skip, |
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556 oct_mach_info::float_format flt_fmt); |
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557 |
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558 bool write_bytes (const void *data, size_t n_elts); |
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559 |
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560 bool skip_bytes (size_t n_elts); |
| 4944 | 561 |
| 562 template <class T> | |
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563 octave_idx_type write (const Array<T>& data, octave_idx_type block_size, |
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564 oct_data_conv::data_type output_type, |
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565 octave_idx_type skip, |
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566 oct_mach_info::float_format flt_fmt); |
| 2117 | 567 |
| 4468 | 568 octave_value scanf (const std::string& fmt, const Array<double>& size, |
| 10313 | 569 octave_idx_type& count, const std::string& who /* = "scanf" */); |
| 2117 | 570 |
| 5279 | 571 octave_value scanf (const octave_value& fmt, const Array<double>& size, |
| 10313 | 572 octave_idx_type& count, const std::string& who /* = "scanf" */); |
| 5279 | 573 |
| 4468 | 574 octave_value_list oscanf (const std::string& fmt, |
| 10313 | 575 const std::string& who /* = "scanf" */); |
| 2215 | 576 |
| 5279 | 577 octave_value_list oscanf (const octave_value& fmt, |
| 10313 | 578 const std::string& who /* = "scanf" */); |
| 5279 | 579 |
| 4468 | 580 int printf (const std::string& fmt, const octave_value_list& args, |
| 10313 | 581 const std::string& who /* = "printf" */); |
| 2117 | 582 |
| 5279 | 583 int printf (const octave_value& fmt, const octave_value_list& args, |
| 10313 | 584 const std::string& who /* = "printf" */); |
| 5279 | 585 |
| 4468 | 586 int puts (const std::string& s, const std::string& who /* = "puts" */); |
| 587 int puts (const octave_value& s, const std::string& who /* = "puts" */); | |
| 2117 | 588 |
| 589 bool eof (void) const; | |
| 590 | |
| 3523 | 591 std::string error (bool clear, int& err_num); |
| 2117 | 592 |
| 3523 | 593 std::string error (bool clear = false) |
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594 { |
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595 int err_num; |
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596 return error (clear, err_num); |
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597 } |
| 2117 | 598 |
| 4799 | 599 // Set the error message and state. |
| 600 | |
| 601 void error (const std::string& msg) | |
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602 { |
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603 if (rep) |
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604 rep->error (msg); |
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605 } |
| 4799 | 606 |
| 607 void error (const char *msg) { error (std::string (msg)); } | |
| 608 | |
| 3148 | 609 int file_number (void) { return rep ? rep->file_number () : -1; } |
| 3145 | 610 |
| 3340 | 611 bool is_valid (void) const { return (rep != 0); } |
| 612 | |
| 2117 | 613 bool ok (void) const { return rep && rep->ok (); } |
| 614 | |
| 3145 | 615 operator bool () const { return ok (); } |
| 2117 | 616 |
| 3523 | 617 std::string name (void) const; |
| 2117 | 618 |
| 3340 | 619 int mode (void) const; |
| 2117 | 620 |
| 3340 | 621 oct_mach_info::float_format float_format (void) const; |
| 2117 | 622 |
| 3523 | 623 static std::string mode_as_string (int mode); |
| 2117 | 624 |
| 6757 | 625 std::istream *input_stream (void) |
| 626 { | |
| 627 return rep ? rep->input_stream () : 0; | |
| 628 } | |
| 2902 | 629 |
| 6757 | 630 std::ostream *output_stream (void) |
| 631 { | |
| 632 return rep ? rep->output_stream () : 0; | |
| 633 } | |
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634 |
| 4889 | 635 void clearerr (void) { if (rep) rep->clearerr (); } |
| 636 | |
| 2117 | 637 private: |
| 638 | |
| 639 // The actual representation of this stream. | |
| 640 octave_base_stream *rep; | |
| 641 | |
| 5659 | 642 bool stream_ok (bool clear = true) const |
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643 { |
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644 bool retval = true; |
| 5659 | 645 |
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646 if (rep) |
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647 { |
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648 if (clear) |
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649 rep->clear (); |
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650 } |
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651 else |
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652 retval = false; |
| 5659 | 653 |
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654 return retval; |
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655 } |
| 4944 | 656 |
| 657 void invalid_operation (const std::string& who, const char *rw) | |
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658 { |
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659 if (rep) |
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660 rep->invalid_operation (who, rw); |
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661 } |
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662 |
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663 octave_value |
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664 finalize_read (std::list<void *>& input_buf_list, |
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665 octave_idx_type input_buf_elts, |
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666 octave_idx_type elts_read, |
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667 octave_idx_type nr, octave_idx_type nc, |
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668 oct_data_conv::data_type input_type, |
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669 oct_data_conv::data_type output_type, |
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670 oct_mach_info::float_format ffmt); |
| 2117 | 671 }; |
| 672 | |
| 673 class | |
| 6109 | 674 OCTINTERP_API |
| 2117 | 675 octave_stream_list |
| 676 { | |
| 677 protected: | |
| 678 | |
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679 octave_stream_list (void) : list (), lookup_cache (list.end ()) { } |
| 2117 | 680 |
| 681 public: | |
| 682 | |
| 683 ~octave_stream_list (void) { } | |
| 684 | |
| 2926 | 685 static bool instance_ok (void); |
| 686 | |
| 6757 | 687 static int insert (octave_stream& os); |
| 2117 | 688 |
| 4468 | 689 static octave_stream |
| 690 lookup (int fid, const std::string& who = std::string ()); | |
| 691 | |
| 692 static octave_stream | |
| 693 lookup (const octave_value& fid, const std::string& who = std::string ()); | |
| 2117 | 694 |
| 3523 | 695 static int remove (int fid, const std::string& who = std::string ()); |
| 3341 | 696 static int remove (const octave_value& fid, |
| 10313 | 697 const std::string& who = std::string ()); |
| 2117 | 698 |
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699 static void clear (bool flush = true); |
| 2117 | 700 |
| 701 static string_vector get_info (int fid); | |
| 702 static string_vector get_info (const octave_value& fid); | |
| 703 | |
| 3523 | 704 static std::string list_open_files (void); |
| 2117 | 705 |
| 706 static octave_value open_file_numbers (void); | |
| 707 | |
| 2609 | 708 static int get_file_number (const octave_value& fid); |
| 709 | |
| 2117 | 710 private: |
| 711 | |
| 6757 | 712 typedef std::map<int, octave_stream> ostrl_map; |
| 2117 | 713 |
| 6757 | 714 ostrl_map list; |
| 2117 | 715 |
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716 mutable ostrl_map::const_iterator lookup_cache; |
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717 |
| 2117 | 718 static octave_stream_list *instance; |
| 719 | |
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720 static void cleanup_instance (void) { delete instance; instance = 0; } |
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721 |
| 6757 | 722 int do_insert (octave_stream& os); |
| 2117 | 723 |
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724 octave_stream do_lookup (int fid, |
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725 const std::string& who = std::string ()) const; |
| 3341 | 726 octave_stream do_lookup (const octave_value& fid, |
| 10313 | 727 const std::string& who = std::string ()) const; |
| 2117 | 728 |
| 3523 | 729 int do_remove (int fid, const std::string& who = std::string ()); |
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730 int do_remove (const octave_value& fid, |
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731 const std::string& who = std::string ()); |
| 2117 | 732 |
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733 void do_clear (bool flush = true); |
| 2117 | 734 |
| 735 string_vector do_get_info (int fid) const; | |
| 736 string_vector do_get_info (const octave_value& fid) const; | |
| 737 | |
| 3523 | 738 std::string do_list_open_files (void) const; |
| 2117 | 739 |
| 740 octave_value do_open_file_numbers (void) const; | |
| 741 | |
| 2609 | 742 int do_get_file_number (const octave_value& fid) const; |
| 2117 | 743 }; |
| 744 | |
| 745 #endif |