Mercurial > octave
annotate src/oct-stream.cc @ 12984:7626f8934466 stable
correctly resize scanf output for %c formats (bug #34037)
* oct-stream.cc (BEGIN_C_CONVERSION): Resize tmp buffer to number of
characters read.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 22 Aug 2011 20:27:27 -0400 |
parents | 18797a4b6174 |
children | 8df8b402797d b12e2cffaa2f |
rev | line source |
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2117 | 1 /* |
2 | |
11523 | 3 Copyright (C) 1996-2011 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 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
3268 | 27 #include <cassert> |
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28 #include <cctype> |
2215 | 29 #include <cstring> |
30 | |
3503 | 31 #include <iomanip> |
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32 #include <iostream> |
3559 | 33 #include <fstream> |
5765 | 34 #include <sstream> |
3535 | 35 #include <string> |
2117 | 36 |
4944 | 37 #include <Array.h> |
38 | |
39 #include "byte-swap.h" | |
2117 | 40 #include "lo-ieee.h" |
41 #include "lo-mappers.h" | |
42 #include "lo-utils.h" | |
43 #include "str-vec.h" | |
4153 | 44 #include "quit.h" |
2117 | 45 |
46 #include "error.h" | |
7352 | 47 #include "gripes.h" |
3342 | 48 #include "input.h" |
3775 | 49 #include "oct-stdstrm.h" |
2117 | 50 #include "oct-stream.h" |
2877 | 51 #include "oct-obj.h" |
2117 | 52 #include "utils.h" |
53 | |
54 // Possible values for conv_err: | |
55 // | |
56 // 1 : not a real scalar | |
2902 | 57 // 2 : value is NaN |
58 // 3 : value is not an integer | |
2117 | 59 |
60 static int | |
61 convert_to_valid_int (const octave_value& tc, int& conv_err) | |
62 { | |
63 int retval = 0; | |
64 | |
65 conv_err = 0; | |
66 | |
2902 | 67 double dval = tc.double_value (); |
68 | |
69 if (! error_state) | |
2117 | 70 { |
5389 | 71 if (! lo_ieee_isnan (dval)) |
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72 { |
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73 int ival = NINT (dval); |
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74 |
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75 if (ival == dval) |
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76 retval = ival; |
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77 else |
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78 conv_err = 3; |
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79 } |
2117 | 80 else |
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81 conv_err = 2; |
2117 | 82 } |
83 else | |
84 conv_err = 1; | |
85 | |
86 return retval; | |
87 } | |
88 | |
89 static int | |
4468 | 90 get_size (double d, const std::string& who) |
2117 | 91 { |
92 int retval = -1; | |
93 | |
5389 | 94 if (! lo_ieee_isnan (d)) |
2117 | 95 { |
96 if (! xisinf (d)) | |
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97 { |
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98 if (d >= 0.0) |
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99 retval = NINT (d); |
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100 else |
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101 ::error ("%s: negative value invalid as size specification", |
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102 who.c_str ()); |
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103 } |
2117 | 104 else |
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105 retval = -1; |
2117 | 106 } |
107 else | |
4468 | 108 ::error ("%s: NaN is invalid as size specification", who.c_str ()); |
2117 | 109 |
110 return retval; | |
111 } | |
112 | |
113 static void | |
5275 | 114 get_size (const Array<double>& size, octave_idx_type& nr, octave_idx_type& nc, bool& one_elt_size_spec, |
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115 const std::string& who) |
2117 | 116 { |
117 nr = -1; | |
118 nc = -1; | |
119 | |
3268 | 120 one_elt_size_spec = false; |
121 | |
2117 | 122 double dnr = -1.0; |
123 double dnc = -1.0; | |
124 | |
5275 | 125 octave_idx_type sz_len = size.length (); |
3810 | 126 |
127 if (sz_len == 1) | |
2601 | 128 { |
3268 | 129 one_elt_size_spec = true; |
130 | |
3810 | 131 dnr = size (0); |
4293 | 132 |
133 dnc = (dnr == 0.0) ? 0.0 : 1.0; | |
2601 | 134 } |
3810 | 135 else if (sz_len == 2) |
2117 | 136 { |
3810 | 137 dnr = size (0); |
138 | |
139 if (! xisinf (dnr)) | |
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140 dnc = size (1); |
3810 | 141 else |
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142 ::error ("%s: invalid size specification", who.c_str ()); |
2117 | 143 } |
144 else | |
4468 | 145 ::error ("%s: invalid size specification", who.c_str ()); |
2117 | 146 |
147 if (! error_state) | |
148 { | |
4468 | 149 nr = get_size (dnr, who); |
2117 | 150 |
3268 | 151 if (! error_state && dnc >= 0.0) |
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152 nc = get_size (dnc, who); |
2117 | 153 } |
154 } | |
155 | |
3523 | 156 scanf_format_list::scanf_format_list (const std::string& s) |
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157 : nconv (0), curr_idx (0), list (dim_vector (16, 1)), buf (0) |
2117 | 158 { |
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159 octave_idx_type num_elts = 0; |
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160 |
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161 size_t n = s.length (); |
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162 |
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163 size_t i = 0; |
2117 | 164 |
2215 | 165 int width = 0; |
2117 | 166 bool discard = false; |
167 char modifier = '\0'; | |
168 char type = '\0'; | |
169 | |
170 bool have_more = true; | |
171 | |
172 while (i < n) | |
173 { | |
174 have_more = true; | |
175 | |
176 if (! buf) | |
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177 buf = new std::ostringstream (); |
2117 | 178 |
179 if (s[i] == '%') | |
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180 { |
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181 // Process percent-escape conversion type. |
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182 |
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183 process_conversion (s, i, n, width, discard, type, modifier, |
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184 num_elts); |
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185 |
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186 have_more = (buf != 0); |
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187 } |
3483 | 188 else if (isspace (s[i])) |
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189 { |
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190 type = scanf_format_elt::whitespace_conversion; |
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191 |
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192 width = 0; |
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193 discard = false; |
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194 modifier = '\0'; |
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195 *buf << " "; |
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196 |
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197 while (++i < n && isspace (s[i])) |
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198 /* skip whitespace */; |
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199 |
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200 add_elt_to_list (width, discard, type, modifier, num_elts); |
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201 |
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202 have_more = false; |
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203 } |
3483 | 204 else |
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205 { |
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206 type = scanf_format_elt::literal_conversion; |
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207 |
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208 width = 0; |
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209 discard = false; |
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210 modifier = '\0'; |
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211 |
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212 while (i < n && ! isspace (s[i]) && s[i] != '%') |
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213 *buf << s[i++]; |
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214 |
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215 add_elt_to_list (width, discard, type, modifier, num_elts); |
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216 |
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217 have_more = false; |
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218 } |
2117 | 219 |
220 if (nconv < 0) | |
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221 { |
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222 have_more = false; |
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223 break; |
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224 } |
2117 | 225 } |
226 | |
227 if (have_more) | |
2215 | 228 add_elt_to_list (width, discard, type, modifier, num_elts); |
2117 | 229 |
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230 list.resize (dim_vector (num_elts, 1)); |
2117 | 231 |
232 delete buf; | |
233 } | |
234 | |
235 scanf_format_list::~scanf_format_list (void) | |
236 { | |
5275 | 237 octave_idx_type n = list.length (); |
238 | |
239 for (octave_idx_type i = 0; i < n; i++) | |
2117 | 240 { |
3340 | 241 scanf_format_elt *elt = list(i); |
2117 | 242 delete elt; |
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243 } |
2117 | 244 } |
245 | |
246 void | |
2215 | 247 scanf_format_list::add_elt_to_list (int width, bool discard, char type, |
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248 char modifier, octave_idx_type& num_elts, |
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249 const std::string& char_class) |
2117 | 250 { |
251 if (buf) | |
252 { | |
5765 | 253 std::string text = buf->str (); |
4051 | 254 |
255 if (! text.empty ()) | |
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256 { |
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257 scanf_format_elt *elt |
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258 = new scanf_format_elt (text.c_str (), width, discard, type, |
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259 modifier, char_class); |
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260 |
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261 if (num_elts == list.length ()) |
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262 list.resize (dim_vector (2 * num_elts, 1)); |
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263 |
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264 list(num_elts++) = elt; |
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265 } |
2117 | 266 |
267 delete buf; | |
268 buf = 0; | |
269 } | |
270 } | |
271 | |
3535 | 272 static std::string |
3523 | 273 expand_char_class (const std::string& s) |
3483 | 274 { |
3523 | 275 std::string retval; |
3483 | 276 |
277 size_t len = s.length (); | |
278 | |
279 size_t i = 0; | |
280 | |
281 while (i < len) | |
282 { | |
283 unsigned char c = s[i++]; | |
284 | |
285 if (c == '-' && i > 1 && i < len | |
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286 && static_cast<unsigned char> (s[i-2]) <= static_cast<unsigned char> (s[i])) |
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287 { |
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288 // Add all characters from the range except the first (we |
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289 // already added it below). |
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290 |
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291 for (c = s[i-2]+1; c < s[i]; c++) |
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292 retval += c; |
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293 } |
3483 | 294 else |
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295 { |
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296 // Add the character to the class. Only add '-' if it is |
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297 // the last character in the class. |
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298 |
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299 if (c != '-' || i == len) |
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300 retval += c; |
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301 } |
3483 | 302 } |
303 | |
304 return retval; | |
305 } | |
306 | |
2117 | 307 void |
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308 scanf_format_list::process_conversion (const std::string& s, size_t& i, |
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309 size_t n, int& width, bool& discard, |
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310 char& type, char& modifier, |
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311 octave_idx_type& num_elts) |
2117 | 312 { |
2215 | 313 width = 0; |
2117 | 314 discard = false; |
315 modifier = '\0'; | |
316 type = '\0'; | |
317 | |
318 *buf << s[i++]; | |
319 | |
320 bool have_width = false; | |
321 | |
322 while (i < n) | |
323 { | |
324 switch (s[i]) | |
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325 { |
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326 case '*': |
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327 if (discard) |
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328 nconv = -1; |
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329 else |
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330 { |
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331 discard = true; |
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332 *buf << s[i++]; |
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333 } |
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334 break; |
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335 |
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336 case '0': case '1': case '2': case '3': case '4': |
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337 case '5': case '6': case '7': case '8': case '9': |
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338 if (have_width) |
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339 nconv = -1; |
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340 else |
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341 { |
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342 char c = s[i++]; |
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343 width = width * 10 + c - '0'; |
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344 have_width = true; |
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345 *buf << c; |
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346 while (i < n && isdigit (s[i])) |
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347 { |
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348 c = s[i++]; |
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349 width = width * 10 + c - '0'; |
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350 *buf << c; |
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351 } |
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352 } |
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353 break; |
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354 |
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355 case 'h': case 'l': case 'L': |
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356 if (modifier != '\0') |
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357 nconv = -1; |
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358 else |
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359 modifier = s[i++]; |
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360 break; |
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361 |
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362 case 'd': case 'i': case 'o': case 'u': case 'x': |
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363 if (modifier == 'L') |
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364 { |
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365 nconv = -1; |
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366 break; |
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367 } |
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368 goto fini; |
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369 |
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370 case 'e': case 'f': case 'g': |
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371 if (modifier == 'h') |
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372 { |
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373 nconv = -1; |
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374 break; |
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375 } |
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376 |
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377 // No float or long double conversions, thanks. |
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378 *buf << 'l'; |
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379 |
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380 goto fini; |
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381 |
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382 case 'c': case 's': case 'p': case '%': case '[': |
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383 if (modifier != '\0') |
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384 { |
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385 nconv = -1; |
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386 break; |
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387 } |
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388 goto fini; |
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389 |
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390 fini: |
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391 { |
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392 if (finish_conversion (s, i, n, width, discard, type, |
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393 modifier, num_elts) == 0) |
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394 return; |
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395 } |
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396 break; |
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397 |
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398 default: |
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399 nconv = -1; |
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400 break; |
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401 } |
2117 | 402 |
403 if (nconv < 0) | |
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404 break; |
2117 | 405 } |
406 | |
407 nconv = -1; | |
408 } | |
409 | |
410 int | |
10187
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411 scanf_format_list::finish_conversion (const std::string& s, size_t& i, |
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412 size_t n, int& width, bool discard, |
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413 char& type, char modifier, |
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414 octave_idx_type& num_elts) |
2117 | 415 { |
416 int retval = 0; | |
417 | |
3523 | 418 std::string char_class; |
3483 | 419 |
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420 size_t beg_idx = std::string::npos; |
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421 size_t end_idx = std::string::npos; |
3640 | 422 |
2117 | 423 if (s[i] == '%') |
3640 | 424 { |
425 type = '%'; | |
426 *buf << s[i++]; | |
427 } | |
2117 | 428 else |
429 { | |
430 type = s[i]; | |
431 | |
432 if (s[i] == '[') | |
10315
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433 { |
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434 *buf << s[i++]; |
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435 |
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436 if (i < n) |
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437 { |
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438 beg_idx = i; |
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439 |
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440 if (s[i] == '^') |
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441 { |
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442 type = '^'; |
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443 *buf << s[i++]; |
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444 |
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445 if (i < n) |
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446 { |
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447 beg_idx = i; |
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448 |
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449 if (s[i] == ']') |
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450 *buf << s[i++]; |
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451 } |
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452 } |
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453 else if (s[i] == ']') |
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454 *buf << s[i++]; |
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455 } |
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456 |
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457 while (i < n && s[i] != ']') |
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458 *buf << s[i++]; |
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459 |
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460 if (i < n && s[i] == ']') |
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461 { |
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462 end_idx = i-1; |
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463 *buf << s[i++]; |
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464 } |
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465 |
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466 if (s[i-1] != ']') |
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467 retval = nconv = -1; |
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468 } |
2117 | 469 else |
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470 *buf << s[i++]; |
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471 |
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472 nconv++; |
3640 | 473 } |
474 | |
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475 if (nconv >= 0) |
3640 | 476 { |
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477 if (beg_idx != std::string::npos && end_idx != std::string::npos) |
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478 char_class = expand_char_class (s.substr (beg_idx, |
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479 end_idx - beg_idx + 1)); |
3640 | 480 |
481 add_elt_to_list (width, discard, type, modifier, num_elts, char_class); | |
2117 | 482 } |
483 | |
484 return retval; | |
485 } | |
486 | |
487 void | |
488 scanf_format_list::printme (void) const | |
489 { | |
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490 octave_idx_type n = list.length (); |
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491 |
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492 for (octave_idx_type i = 0; i < n; i++) |
2117 | 493 { |
3340 | 494 scanf_format_elt *elt = list(i); |
2117 | 495 |
3531 | 496 std::cerr |
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497 << "width: " << elt->width << "\n" |
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498 << "discard: " << elt->discard << "\n" |
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499 << "type: "; |
3483 | 500 |
501 if (elt->type == scanf_format_elt::literal_conversion) | |
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502 std::cerr << "literal text\n"; |
3483 | 503 else if (elt->type == scanf_format_elt::whitespace_conversion) |
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504 std::cerr << "whitespace\n"; |
3483 | 505 else |
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506 std::cerr << elt->type << "\n"; |
3531 | 507 |
508 std::cerr | |
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509 << "modifier: " << elt->modifier << "\n" |
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510 << "char_class: `" << undo_string_escapes (elt->char_class) << "'\n" |
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511 << "text: `" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 512 } |
513 } | |
514 | |
515 bool | |
516 scanf_format_list::all_character_conversions (void) | |
517 { | |
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518 octave_idx_type n = list.length (); |
2117 | 519 |
520 if (n > 0) | |
521 { | |
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522 for (octave_idx_type i = 0; i < n; i++) |
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523 { |
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524 scanf_format_elt *elt = list(i); |
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525 |
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526 switch (elt->type) |
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527 { |
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528 case 'c': case 's': case '%': case '[': case '^': |
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529 case scanf_format_elt::literal_conversion: |
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530 case scanf_format_elt::whitespace_conversion: |
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531 break; |
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532 |
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533 default: |
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534 return false; |
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535 break; |
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536 } |
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537 } |
2117 | 538 |
539 return true; | |
540 } | |
541 else | |
542 return false; | |
543 } | |
544 | |
545 bool | |
546 scanf_format_list::all_numeric_conversions (void) | |
547 { | |
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548 octave_idx_type n = list.length (); |
2117 | 549 |
550 if (n > 0) | |
551 { | |
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552 for (octave_idx_type i = 0; i < n; i++) |
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553 { |
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554 scanf_format_elt *elt = list(i); |
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555 |
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556 switch (elt->type) |
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557 { |
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558 case 'd': case 'i': case 'o': case 'u': case 'x': |
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559 case 'e': case 'f': case 'g': |
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560 break; |
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561 |
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562 default: |
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563 return false; |
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564 break; |
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565 } |
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566 } |
2117 | 567 |
568 return true; | |
569 } | |
570 else | |
571 return false; | |
572 } | |
573 | |
574 // Ugh again. | |
575 | |
3523 | 576 printf_format_list::printf_format_list (const std::string& s) |
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577 : nconv (0), curr_idx (0), list (dim_vector (16, 1)), buf (0) |
2117 | 578 { |
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579 octave_idx_type num_elts = 0; |
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580 |
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581 size_t n = s.length (); |
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582 |
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583 size_t i = 0; |
2117 | 584 |
585 int args = 0; | |
3643 | 586 std::string flags; |
3640 | 587 int fw = 0; |
588 int prec = 0; | |
2117 | 589 char modifier = '\0'; |
590 char type = '\0'; | |
591 | |
592 bool have_more = true; | |
3640 | 593 bool empty_buf = true; |
2117 | 594 |
4223 | 595 if (n == 0) |
2117 | 596 { |
4223 | 597 printf_format_elt *elt |
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598 = new printf_format_elt ("", args, fw, prec, flags, type, modifier); |
4223 | 599 |
600 list(num_elts++) = elt; | |
601 | |
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602 list.resize (dim_vector (num_elts, 1)); |
4223 | 603 } |
604 else | |
605 { | |
606 while (i < n) | |
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607 { |
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608 have_more = true; |
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609 |
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610 if (! buf) |
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611 { |
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612 buf = new std::ostringstream (); |
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613 empty_buf = true; |
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614 } |
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615 |
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616 switch (s[i]) |
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617 { |
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618 case '%': |
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619 { |
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620 if (empty_buf) |
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621 { |
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622 process_conversion (s, i, n, args, flags, fw, prec, |
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623 type, modifier, num_elts); |
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624 |
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625 have_more = (buf != 0); |
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626 } |
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627 else |
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628 add_elt_to_list (args, flags, fw, prec, type, modifier, |
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629 num_elts); |
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630 } |
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631 break; |
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632 |
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633 default: |
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634 { |
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635 args = 0; |
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636 flags = ""; |
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637 fw = 0; |
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638 prec = 0; |
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639 modifier = '\0'; |
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640 type = '\0'; |
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641 *buf << s[i++]; |
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642 empty_buf = false; |
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643 } |
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644 break; |
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645 } |
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646 |
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647 if (nconv < 0) |
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648 { |
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649 have_more = false; |
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650 break; |
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651 } |
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652 } |
2117 | 653 |
4223 | 654 if (have_more) |
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655 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); |
4223 | 656 |
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657 list.resize (dim_vector (num_elts, 1)); |
4223 | 658 |
659 delete buf; | |
2117 | 660 } |
661 } | |
662 | |
663 printf_format_list::~printf_format_list (void) | |
664 { | |
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665 octave_idx_type n = list.length (); |
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666 |
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667 for (octave_idx_type i = 0; i < n; i++) |
2117 | 668 { |
3340 | 669 printf_format_elt *elt = list(i); |
2117 | 670 delete elt; |
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671 } |
2117 | 672 } |
673 | |
674 void | |
3640 | 675 printf_format_list::add_elt_to_list (int args, const std::string& flags, |
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676 int fw, int prec, char type, |
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677 char modifier, octave_idx_type& num_elts) |
2117 | 678 { |
679 if (buf) | |
680 { | |
5765 | 681 std::string text = buf->str (); |
4051 | 682 |
683 if (! text.empty ()) | |
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684 { |
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685 printf_format_elt *elt |
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686 = new printf_format_elt (text.c_str (), args, fw, prec, flags, |
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687 type, modifier); |
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688 |
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689 if (num_elts == list.length ()) |
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690 list.resize (dim_vector (2 * num_elts, 1)); |
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691 |
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692 list(num_elts++) = elt; |
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693 } |
2117 | 694 |
695 delete buf; | |
696 buf = 0; | |
697 } | |
698 } | |
699 | |
700 void | |
3640 | 701 printf_format_list::process_conversion |
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702 (const std::string& s, size_t& i, size_t n, int& args, std::string& flags, |
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703 int& fw, int& prec, char& modifier, char& type, octave_idx_type& num_elts) |
2117 | 704 { |
705 args = 0; | |
3640 | 706 flags = ""; |
707 fw = 0; | |
708 prec = 0; | |
2117 | 709 modifier = '\0'; |
710 type = '\0'; | |
711 | |
712 *buf << s[i++]; | |
713 | |
4587 | 714 bool nxt = false; |
2117 | 715 |
716 while (i < n) | |
717 { | |
718 switch (s[i]) | |
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719 { |
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720 case '-': case '+': case ' ': case '0': case '#': |
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721 flags += s[i]; |
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722 *buf << s[i++]; |
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723 break; |
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724 |
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725 default: |
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726 nxt = true; |
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727 break; |
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728 } |
2117 | 729 |
4587 | 730 if (nxt) |
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731 break; |
2117 | 732 } |
733 | |
734 if (i < n) | |
735 { | |
736 if (s[i] == '*') | |
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737 { |
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738 fw = -1; |
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739 args++; |
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740 *buf << s[i++]; |
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741 } |
2117 | 742 else |
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743 { |
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744 if (isdigit (s[i])) |
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745 { |
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746 int nn = 0; |
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747 std::string tmp = s.substr (i); |
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748 sscanf (tmp.c_str (), "%d%n", &fw, &nn); |
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749 } |
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|
750 |
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751 while (i < n && isdigit (s[i])) |
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752 *buf << s[i++]; |
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753 } |
2117 | 754 } |
755 | |
756 if (i < n && s[i] == '.') | |
757 { | |
758 *buf << s[i++]; | |
759 | |
760 if (i < n) | |
10315
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761 { |
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762 if (s[i] == '*') |
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763 { |
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|
764 prec = -1; |
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|
765 args++; |
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766 *buf << s[i++]; |
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|
767 } |
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|
768 else |
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769 { |
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770 if (isdigit (s[i])) |
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|
771 { |
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|
772 int nn = 0; |
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773 std::string tmp = s.substr (i); |
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774 sscanf (tmp.c_str (), "%d%n", &prec, &nn); |
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|
775 } |
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|
776 |
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777 while (i < n && isdigit (s[i])) |
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|
778 *buf << s[i++]; |
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|
779 } |
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|
780 } |
2117 | 781 } |
782 | |
783 if (i < n) | |
784 { | |
785 switch (s[i]) | |
10315
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|
786 { |
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787 case 'h': case 'l': case 'L': |
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changeset
|
788 modifier = s[i]; |
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|
789 *buf << s[i++]; |
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|
790 break; |
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|
791 |
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|
792 default: |
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|
793 break; |
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|
794 } |
2117 | 795 } |
796 | |
797 if (i < n) | |
3640 | 798 finish_conversion (s, i, args, flags, fw, prec, modifier, type, num_elts); |
2117 | 799 else |
800 nconv = -1; | |
801 } | |
802 | |
803 void | |
3640 | 804 printf_format_list::finish_conversion |
10187
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805 (const std::string& s, size_t& i, int args, const std::string& flags, |
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806 int fw, int prec, char modifier, char& type, octave_idx_type& num_elts) |
2117 | 807 |
808 { | |
809 switch (s[i]) | |
810 { | |
811 case 'd': case 'i': case 'o': case 'x': case 'X': | |
812 case 'u': case 'c': | |
813 if (modifier == 'L') | |
10315
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|
814 { |
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|
815 nconv = -1; |
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|
816 break; |
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|
817 } |
2117 | 818 goto fini; |
819 | |
820 case 'f': case 'e': case 'E': case 'g': case 'G': | |
821 if (modifier == 'h' || modifier == 'l') | |
10315
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|
822 { |
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changeset
|
823 nconv = -1; |
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changeset
|
824 break; |
57a59eae83cc
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|
825 } |
2117 | 826 goto fini; |
827 | |
828 case 's': case 'p': case '%': | |
829 if (modifier != '\0') | |
10315
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|
830 { |
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|
831 nconv = -1; |
57a59eae83cc
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changeset
|
832 break; |
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|
833 } |
2117 | 834 goto fini; |
835 | |
836 fini: | |
837 | |
3640 | 838 type = s[i]; |
839 | |
840 *buf << s[i++]; | |
841 | |
842 if (type != '%' || args != 0) | |
10315
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|
843 nconv++; |
3640 | 844 |
845 if (type != '%') | |
10315
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|
846 args++; |
3640 | 847 |
848 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); | |
849 | |
2117 | 850 break; |
851 | |
852 default: | |
853 nconv = -1; | |
854 break; | |
855 } | |
856 } | |
857 | |
858 void | |
859 printf_format_list::printme (void) const | |
860 { | |
861 int n = list.length (); | |
862 | |
863 for (int i = 0; i < n; i++) | |
864 { | |
3340 | 865 printf_format_elt *elt = list(i); |
2117 | 866 |
3640 | 867 std::cerr |
10315
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|
868 << "args: " << elt->args << "\n" |
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869 << "flags: `" << elt->flags << "'\n" |
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870 << "width: " << elt->fw << "\n" |
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871 << "prec: " << elt->prec << "\n" |
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872 << "type: `" << elt->type << "'\n" |
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873 << "modifier: `" << elt->modifier << "'\n" |
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|
874 << "text: `" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 875 } |
876 } | |
877 | |
878 void | |
3523 | 879 octave_base_stream::error (const std::string& msg) |
2117 | 880 { |
881 fail = true; | |
882 errmsg = msg; | |
883 } | |
884 | |
885 void | |
4468 | 886 octave_base_stream::error (const std::string& who, const std::string& msg) |
887 { | |
888 fail = true; | |
6296 | 889 errmsg = who + ": " + msg; |
4468 | 890 } |
891 | |
892 void | |
2117 | 893 octave_base_stream::clear (void) |
894 { | |
4889 | 895 fail = false; |
896 errmsg = ""; | |
897 } | |
898 | |
899 void | |
900 octave_base_stream::clearerr (void) | |
901 { | |
4888 | 902 std::istream *is = input_stream (); |
903 std::ostream *os = output_stream (); | |
904 | |
905 if (is) | |
906 is->clear (); | |
907 | |
908 if (os) | |
909 os->clear (); | |
2117 | 910 } |
911 | |
912 // Functions that are defined for all input streams (input streams | |
913 // are those that define is). | |
914 | |
3536 | 915 std::string |
5275 | 916 octave_base_stream::do_gets (octave_idx_type max_len, bool& err, |
10315
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917 bool strip_newline, const std::string& who) |
2117 | 918 { |
3523 | 919 std::string retval; |
2117 | 920 |
8773
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921 if ((interactive || forced_interactive) && file_number () == 0) |
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922 { |
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923 ::error ("%s: unable to read from stdin while running interactively", |
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924 who.c_str ()); |
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925 |
8773
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926 return retval; |
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927 } |
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928 |
2117 | 929 err = false; |
930 | |
3523 | 931 std::istream *isp = input_stream (); |
2117 | 932 |
933 if (isp) | |
934 { | |
3523 | 935 std::istream& is = *isp; |
2117 | 936 |
5765 | 937 std::ostringstream buf; |
2117 | 938 |
939 int c = 0; | |
3553 | 940 int char_count = 0; |
6345 | 941 |
942 if (max_len != 0) | |
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943 { |
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944 while (is && (c = is.get ()) != EOF) |
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945 { |
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946 char_count++; |
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947 |
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948 // Handle CRLF, CR, or LF as line ending. |
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949 |
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950 if (c == '\r') |
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951 { |
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952 if (! strip_newline) |
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953 buf << static_cast<char> (c); |
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954 |
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955 c = is.get (); |
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956 |
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957 if (c != EOF) |
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958 { |
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959 if (c == '\n') |
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960 { |
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961 char_count++; |
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962 |
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963 if (! strip_newline) |
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964 buf << static_cast<char> (c); |
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965 } |
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966 else |
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967 is.putback (c); |
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968 } |
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969 |
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970 break; |
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971 } |
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972 else if (c == '\n') |
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973 { |
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974 if (! strip_newline) |
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975 buf << static_cast<char> (c); |
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976 |
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977 break; |
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978 } |
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979 else |
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980 buf << static_cast<char> (c); |
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981 |
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982 if (max_len > 0 && char_count == max_len) |
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983 break; |
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984 } |
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985 } |
6345 | 986 |
987 if (! is.eof () && char_count > 0) | |
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988 { |
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989 // GAGME. Matlab seems to check for EOF even if the last |
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990 // character in a file is a newline character. This is NOT |
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991 // what the corresponding C-library functions do. |
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992 int disgusting_compatibility_hack = is.get (); |
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993 if (! is.eof ()) |
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994 is.putback (disgusting_compatibility_hack); |
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995 } |
2117 | 996 |
4224 | 997 if (is.good () || (is.eof () && char_count > 0)) |
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998 retval = buf.str (); |
4224 | 999 else |
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1000 { |
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1001 err = true; |
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1002 |
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1003 if (is.eof () && char_count == 0) |
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1004 error (who, "at end of file"); |
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1005 else |
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1006 error (who, "read error"); |
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1007 } |
2117 | 1008 } |
1009 else | |
1010 { | |
1011 err = true; | |
4468 | 1012 invalid_operation (who, "reading"); |
2117 | 1013 } |
1014 | |
1015 return retval; | |
1016 } | |
1017 | |
3536 | 1018 std::string |
5275 | 1019 octave_base_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 1020 { |
4468 | 1021 return do_gets (max_len, err, true, who); |
2117 | 1022 } |
1023 | |
3536 | 1024 std::string |
5275 | 1025 octave_base_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 1026 { |
4468 | 1027 return do_gets (max_len, err, false, who); |
2117 | 1028 } |
1029 | |
9701 | 1030 long |
1031 octave_base_stream::skipl (long num, bool& err, const std::string& who) | |
1032 { | |
1033 long cnt = -1; | |
1034 | |
1035 if ((interactive || forced_interactive) && file_number () == 0) | |
1036 { | |
1037 ::error ("%s: unable to read from stdin while running interactively", | |
10315
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1038 who.c_str ()); |
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1039 |
9701 | 1040 return count; |
1041 } | |
1042 | |
1043 err = false; | |
1044 | |
1045 std::istream *isp = input_stream (); | |
1046 | |
1047 if (isp) | |
1048 { | |
1049 std::istream& is = *isp; | |
1050 | |
1051 int c = 0, lastc = -1; | |
1052 cnt = 0; | |
1053 | |
1054 while (is && (c = is.get ()) != EOF) | |
1055 { | |
1056 // Handle CRLF, CR, or LF as line ending. | |
1057 | |
1058 if (c == '\r' || (c == '\n' && lastc != '\r')) | |
1059 { | |
1060 if (++cnt == num) | |
1061 break; | |
1062 } | |
1063 | |
1064 lastc = c; | |
1065 } | |
1066 | |
1067 // Maybe eat the following \n if \r was just met. | |
1068 if (c == '\r' && is.peek () == '\n') | |
1069 is.get (); | |
1070 | |
1071 if (is.bad ()) | |
1072 { | |
1073 err = true; | |
1074 error (who, "read error"); | |
1075 } | |
1076 | |
1077 if (err) | |
1078 cnt = -1; | |
1079 } | |
1080 else | |
1081 { | |
1082 err = true; | |
1083 invalid_operation (who, "reading"); | |
1084 } | |
1085 | |
1086 return cnt; | |
1087 } | |
1088 | |
3640 | 1089 #define OCTAVE_SCAN(is, fmt, arg) octave_scan (is, fmt, arg) |
3636 | 1090 |
1091 template <class T> | |
1092 std::istream& | |
6767 | 1093 octave_scan_1 (std::istream& is, const scanf_format_elt& fmt, T* valptr) |
3636 | 1094 { |
3779 | 1095 T& ref = *valptr; |
1096 | |
1097 switch (fmt.type) | |
1098 { | |
1099 case 'o': | |
4926 | 1100 is >> std::oct >> ref >> std::dec; |
3779 | 1101 break; |
1102 | |
1103 case 'x': | |
4926 | 1104 is >> std::hex >> ref >> std::dec; |
1105 break; | |
1106 | |
1107 case 'i': | |
1108 { | |
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1109 int c1 = is.get (); |
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1110 |
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1111 if (! is.eof ()) |
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1112 { |
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1113 if (c1 == '0') |
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1114 { |
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1115 int c2 = is.peek (); |
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1116 |
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1117 if (c2 == 'x' || c2 == 'X') |
7709
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1118 { |
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1119 is.ignore (); |
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1120 if (std::isxdigit (is.peek ())) |
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1121 is >> std::hex >> ref >> std::dec; |
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1122 else |
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1123 ref = 0; |
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1124 } |
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1125 else |
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1126 { |
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1127 if (c2 == '0' || c2 == '1' || c2 == '2' |
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1128 || c2 == '3' || c2 == '4' || c2 == '5' |
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1129 || c2 == '6' || c2 == '7') |
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1130 is >> std::oct >> ref >> std::dec; |
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1131 else |
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1132 ref = 0; |
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1133 } |
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1134 } |
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1135 else |
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1136 { |
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1137 is.putback (c1); |
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1138 |
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1139 is >> ref; |
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|
1140 } |
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|
1141 } |
4926 | 1142 } |
3779 | 1143 break; |
1144 | |
1145 default: | |
1146 is >> ref; | |
1147 break; | |
1148 } | |
3639 | 1149 |
3638 | 1150 return is; |
3636 | 1151 } |
1152 | |
6767 | 1153 template <class T> |
1154 std::istream& | |
1155 octave_scan (std::istream& is, const scanf_format_elt& fmt, T* valptr) | |
1156 { | |
1157 if (fmt.width) | |
1158 { | |
1159 // Limit input to fmt.width characters by reading into a | |
1160 // temporary stringstream buffer. | |
1161 | |
1162 std::string tmp; | |
1163 | |
1164 is.width (fmt.width); | |
1165 is >> tmp; | |
1166 | |
1167 std::istringstream ss (tmp); | |
1168 | |
1169 octave_scan_1 (ss, fmt, valptr); | |
1170 } | |
1171 else | |
1172 octave_scan_1 (is, fmt, valptr); | |
1173 | |
1174 return is; | |
1175 } | |
1176 | |
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
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|
1177 // Note that this specialization is only used for reading characters, not |
3779 | 1178 // character strings. See BEGIN_S_CONVERSION for details. |
1179 | |
1180 template<> | |
1181 std::istream& | |
4661 | 1182 octave_scan<> (std::istream& is, const scanf_format_elt& /* fmt */, |
10315
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1183 char* valptr) |
3779 | 1184 { |
1185 return is >> valptr; | |
1186 } | |
3636 | 1187 |
4595 | 1188 template std::istream& |
1189 octave_scan (std::istream&, const scanf_format_elt&, int*); | |
1190 | |
1191 template std::istream& | |
1192 octave_scan (std::istream&, const scanf_format_elt&, long int*); | |
1193 | |
1194 template std::istream& | |
1195 octave_scan (std::istream&, const scanf_format_elt&, short int*); | |
1196 | |
1197 template std::istream& | |
1198 octave_scan (std::istream&, const scanf_format_elt&, unsigned int*); | |
1199 | |
1200 template std::istream& | |
1201 octave_scan (std::istream&, const scanf_format_elt&, unsigned long int*); | |
1202 | |
1203 template std::istream& | |
1204 octave_scan (std::istream&, const scanf_format_elt&, unsigned short int*); | |
1205 | |
1206 #if 0 | |
1207 template std::istream& | |
1208 octave_scan (std::istream&, const scanf_format_elt&, float*); | |
1209 #endif | |
1210 | |
5403 | 1211 template<> |
5176 | 1212 std::istream& |
5403 | 1213 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double* valptr) |
5176 | 1214 { |
1215 double& ref = *valptr; | |
1216 | |
1217 switch (fmt.type) | |
1218 { | |
1219 case 'e': | |
1220 case 'f': | |
1221 case 'g': | |
1222 { | |
10315
57a59eae83cc
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1223 int c1 = EOF; |
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|
1224 |
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|
1225 while (is && (c1 = is.get ()) != EOF && isspace (c1)) |
57a59eae83cc
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|
1226 /* skip whitespace */; |
57a59eae83cc
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|
1227 |
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|
1228 if (c1 != EOF) |
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|
1229 { |
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|
1230 if (c1 == 'N') |
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|
1231 { |
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|
1232 int c2 = is.get (); |
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|
1233 |
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|
1234 if (c2 != EOF) |
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|
1235 { |
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|
1236 if (c2 == 'A') |
57a59eae83cc
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|
1237 { |
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|
1238 int c3 = is.get (); |
57a59eae83cc
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|
1239 |
57a59eae83cc
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|
1240 if (c3 != EOF) |
57a59eae83cc
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|
1241 { |
57a59eae83cc
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|
1242 is.putback (c3); |
57a59eae83cc
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|
1243 |
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|
1244 if (isspace (c3) || ispunct (c3)) |
57a59eae83cc
untabify src C++ source files
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|
1245 ref = octave_NA; |
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|
1246 else |
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|
1247 { |
57a59eae83cc
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|
1248 is.putback (c2); |
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|
1249 is.putback (c1); |
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|
1250 |
57a59eae83cc
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changeset
|
1251 is >> ref; |
57a59eae83cc
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changeset
|
1252 } |
57a59eae83cc
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|
1253 } |
57a59eae83cc
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changeset
|
1254 else |
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|
1255 { |
57a59eae83cc
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diff
changeset
|
1256 is.clear (); |
57a59eae83cc
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changeset
|
1257 |
57a59eae83cc
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changeset
|
1258 ref = octave_NA; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1259 } |
57a59eae83cc
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changeset
|
1260 } |
57a59eae83cc
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|
1261 else if (c2 == 'a') |
57a59eae83cc
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|
1262 { |
57a59eae83cc
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|
1263 int c3 = is.get (); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1264 |
57a59eae83cc
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|
1265 if (c3 != EOF) |
57a59eae83cc
untabify src C++ source files
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changeset
|
1266 { |
57a59eae83cc
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|
1267 if (c3 == 'N') |
57a59eae83cc
untabify src C++ source files
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|
1268 { |
57a59eae83cc
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changeset
|
1269 int c4 = is.get (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1270 |
57a59eae83cc
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|
1271 if (c4 != EOF) |
57a59eae83cc
untabify src C++ source files
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diff
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|
1272 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1273 is.putback (c4); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1274 |
57a59eae83cc
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|
1275 if (isspace (c4) || ispunct (c4)) |
57a59eae83cc
untabify src C++ source files
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changeset
|
1276 ref = octave_NaN; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1277 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1278 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1279 is.putback (c3); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1280 is.putback (c2); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1281 is.putback (c1); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1282 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1283 is >> ref; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1284 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1285 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1286 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1287 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1288 is.clear (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1289 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1290 ref = octave_NaN; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1291 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1292 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1293 else |
57a59eae83cc
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diff
changeset
|
1294 { |
57a59eae83cc
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changeset
|
1295 is.putback (c3); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1296 is.putback (c2); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1297 is.putback (c1); |
57a59eae83cc
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changeset
|
1298 |
57a59eae83cc
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changeset
|
1299 is >> ref; |
57a59eae83cc
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changeset
|
1300 } |
57a59eae83cc
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|
1301 } |
57a59eae83cc
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|
1302 } |
57a59eae83cc
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changeset
|
1303 else |
57a59eae83cc
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changeset
|
1304 { |
57a59eae83cc
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changeset
|
1305 is.putback (c2); |
57a59eae83cc
untabify src C++ source files
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|
1306 is.putback (c1); |
57a59eae83cc
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changeset
|
1307 |
57a59eae83cc
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|
1308 is >> ref; |
57a59eae83cc
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changeset
|
1309 } |
57a59eae83cc
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changeset
|
1310 } |
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changeset
|
1311 } |
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|
1312 else if (c1 == 'I') |
57a59eae83cc
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changeset
|
1313 { |
57a59eae83cc
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changeset
|
1314 int c2 = is.get (); |
57a59eae83cc
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changeset
|
1315 |
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|
1316 if (c2 != EOF) |
57a59eae83cc
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changeset
|
1317 { |
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|
1318 if (c2 == 'n') |
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|
1319 { |
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|
1320 int c3 = is.get (); |
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changeset
|
1321 |
57a59eae83cc
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changeset
|
1322 if (c3 != EOF) |
57a59eae83cc
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changeset
|
1323 { |
57a59eae83cc
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|
1324 if (c3 == 'f') |
57a59eae83cc
untabify src C++ source files
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|
1325 { |
57a59eae83cc
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changeset
|
1326 int c4 = is.get (); |
57a59eae83cc
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changeset
|
1327 |
57a59eae83cc
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changeset
|
1328 if (c4 != EOF) |
57a59eae83cc
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changeset
|
1329 { |
57a59eae83cc
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changeset
|
1330 is.putback (c4); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1331 |
57a59eae83cc
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|
1332 if (isspace (c4) || ispunct (c4)) |
57a59eae83cc
untabify src C++ source files
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changeset
|
1333 ref = octave_Inf; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1334 else |
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|
1335 { |
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1336 is.putback (c3); |
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1337 is.putback (c2); |
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1338 is.putback (c1); |
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|
1339 |
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|
1340 is >> ref; |
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|
1341 } |
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|
1342 } |
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|
1343 else |
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|
1344 { |
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|
1345 is.clear (); |
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|
1346 |
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1347 ref = octave_Inf; |
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|
1348 } |
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|
1349 } |
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|
1350 else |
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|
1351 { |
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1352 is.putback (c3); |
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1353 is.putback (c2); |
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1354 is.putback (c1); |
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|
1355 |
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|
1356 is >> ref; |
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|
1357 } |
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|
1358 } |
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|
1359 else |
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|
1360 { |
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1361 is.putback (c2); |
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1362 is.putback (c1); |
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|
1363 |
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1364 is >> ref; |
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|
1365 } |
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1366 } |
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|
1367 } |
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|
1368 } |
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|
1369 else |
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1370 { |
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1371 is.putback (c1); |
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1372 |
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|
1373 is >> ref; |
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|
1374 } |
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|
1375 } |
5176 | 1376 } |
1377 break; | |
1378 | |
1379 default: | |
1380 panic_impossible (); | |
1381 break; | |
1382 } | |
1383 | |
1384 return is; | |
1385 } | |
1386 | |
2572 | 1387 template <class T> |
1388 void | |
3636 | 1389 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt, |
10315
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1390 T valptr, Matrix& mval, double *data, octave_idx_type& idx, |
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|
1391 octave_idx_type& conversion_count, octave_idx_type nr, octave_idx_type max_size, |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
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|
1392 bool discard) |
2572 | 1393 { |
3640 | 1394 OCTAVE_SCAN (is, fmt, valptr); |
2572 | 1395 |
1396 if (is) | |
1397 { | |
1398 if (idx == max_size && ! discard) | |
10315
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|
1399 { |
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1400 max_size *= 2; |
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|
1401 |
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1402 if (nr > 0) |
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1403 mval.resize (nr, max_size / nr, 0.0); |
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1404 else |
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1405 mval.resize (max_size, 1, 0.0); |
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1406 |
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1407 data = mval.fortran_vec (); |
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1408 } |
2572 | 1409 |
1410 if (! discard) | |
10315
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1411 { |
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1412 conversion_count++; |
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1413 data[idx++] = *(valptr); |
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1414 } |
2572 | 1415 } |
1416 } | |
1417 | |
1418 template void | |
3878 | 1419 do_scanf_conv (std::istream&, const scanf_format_elt&, int*, |
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1420 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1421 |
3233 | 1422 template void |
3636 | 1423 do_scanf_conv (std::istream&, const scanf_format_elt&, long int*, |
10315
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1424 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1425 |
1426 template void | |
3636 | 1427 do_scanf_conv (std::istream&, const scanf_format_elt&, short int*, |
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|
1428 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1429 |
3878 | 1430 template void |
1431 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned int*, | |
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1432 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1433 |
1434 template void | |
1435 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned long int*, | |
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1436 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1437 |
1438 template void | |
1439 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned short int*, | |
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|
1440 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1441 |
2600 | 1442 #if 0 |
2572 | 1443 template void |
3636 | 1444 do_scanf_conv (std::istream&, const scanf_format_elt&, float*, |
10315
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changeset
|
1445 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2600 | 1446 #endif |
2572 | 1447 |
1448 template void | |
3636 | 1449 do_scanf_conv (std::istream&, const scanf_format_elt&, double*, |
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|
1450 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1451 |
3483 | 1452 #define DO_WHITESPACE_CONVERSION() \ |
1453 do \ | |
1454 { \ | |
1455 int c = EOF; \ | |
1456 \ | |
1457 while (is && (c = is.get ()) != EOF && isspace (c)) \ | |
10315
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|
1458 /* skip whitespace */; \ |
3483 | 1459 \ |
1460 if (c != EOF) \ | |
10315
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changeset
|
1461 is.putback (c); \ |
3483 | 1462 } \ |
1463 while (0) | |
1464 | |
1465 #define DO_LITERAL_CONVERSION() \ | |
1466 do \ | |
1467 { \ | |
1468 int c = EOF; \ | |
1469 \ | |
1470 int n = strlen (fmt); \ | |
1471 int i = 0; \ | |
1472 \ | |
1473 while (i < n && is && (c = is.get ()) != EOF) \ | |
10315
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|
1474 { \ |
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1475 if (c == static_cast<unsigned char> (fmt[i])) \ |
57a59eae83cc
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|
1476 { \ |
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|
1477 i++; \ |
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1478 continue; \ |
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|
1479 } \ |
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|
1480 else \ |
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|
1481 { \ |
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1482 is.putback (c); \ |
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1483 break; \ |
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|
1484 } \ |
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1485 } \ |
3483 | 1486 \ |
1487 if (i != n) \ | |
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|
1488 is.setstate (std::ios::failbit); \ |
3483 | 1489 } \ |
1490 while (0) | |
1491 | |
3640 | 1492 #define DO_PCT_CONVERSION() \ |
1493 do \ | |
1494 { \ | |
1495 int c = is.get (); \ | |
1496 \ | |
1497 if (c != EOF) \ | |
10315
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1498 { \ |
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1499 if (c != '%') \ |
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1500 { \ |
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1501 is.putback (c); \ |
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1502 is.setstate (std::ios::failbit); \ |
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1503 } \ |
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1504 } \ |
3640 | 1505 else \ |
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|
1506 is.setstate (std::ios::failbit); \ |
3640 | 1507 } \ |
1508 while (0) | |
1509 | |
3483 | 1510 #define BEGIN_C_CONVERSION() \ |
3538 | 1511 is.unsetf (std::ios::skipws); \ |
3483 | 1512 \ |
1513 int width = elt->width ? elt->width : 1; \ | |
1514 \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1515 std::string tmp (width, '\0'); \ |
3483 | 1516 \ |
1517 int c = EOF; \ | |
1518 int n = 0; \ | |
1519 \ | |
1520 while (is && n < width && (c = is.get ()) != EOF) \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1521 tmp[n++] = static_cast<char> (c); \ |
3483 | 1522 \ |
5266 | 1523 if (n > 0 && c == EOF) \ |
12984
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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changeset
|
1524 is.clear (); \ |
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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|
1525 \ |
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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changeset
|
1526 tmp.resize (n) |
3483 | 1527 |
1528 // For a `%s' format, skip initial whitespace and then read until the | |
5338 | 1529 // next whitespace character or until WIDTH characters have been read. |
3483 | 1530 #define BEGIN_S_CONVERSION() \ |
1531 int width = elt->width; \ | |
1532 \ | |
4051 | 1533 std::string tmp; \ |
3483 | 1534 \ |
1535 do \ | |
1536 { \ | |
1537 if (width) \ | |
5338 | 1538 { \ |
10076 | 1539 tmp = std::string (width, '\0'); \ |
5338 | 1540 \ |
1541 int c = EOF; \ | |
1542 \ | |
1543 int n = 0; \ | |
1544 \ | |
1545 while (is && (c = is.get ()) != EOF) \ | |
1546 { \ | |
1547 if (! isspace (c)) \ | |
1548 { \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1549 tmp[n++] = static_cast<char> (c); \ |
5338 | 1550 break; \ |
1551 } \ | |
1552 } \ | |
4051 | 1553 \ |
5338 | 1554 while (is && n < width && (c = is.get ()) != EOF) \ |
1555 { \ | |
1556 if (isspace (c)) \ | |
1557 { \ | |
1558 is.putback (c); \ | |
1559 break; \ | |
1560 } \ | |
1561 else \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1562 tmp[n++] = static_cast<char> (c); \ |
5338 | 1563 } \ |
3483 | 1564 \ |
5338 | 1565 if (n > 0 && c == EOF) \ |
1566 is.clear (); \ | |
1567 \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1568 tmp.resize (n); \ |
5338 | 1569 } \ |
3483 | 1570 else \ |
5338 | 1571 { \ |
1572 is >> std::ws >> tmp; \ | |
1573 } \ | |
3483 | 1574 } \ |
1575 while (0) | |
1576 | |
1577 // This format must match a nonempty sequence of characters. | |
1578 #define BEGIN_CHAR_CLASS_CONVERSION() \ | |
1579 int width = elt->width; \ | |
1580 \ | |
4051 | 1581 std::string tmp; \ |
3483 | 1582 \ |
1583 do \ | |
1584 { \ | |
7426 | 1585 if (! width) \ |
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1586 width = INT_MAX; \ |
7427 | 1587 \ |
7426 | 1588 std::ostringstream buf; \ |
1589 \ | |
1590 std::string char_class = elt->char_class; \ | |
4051 | 1591 \ |
7426 | 1592 int c = EOF; \ |
3483 | 1593 \ |
7426 | 1594 if (elt->type == '[') \ |
1595 { \ | |
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1596 int chars_read = 0; \ |
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1597 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1598 && char_class.find (c) != std::string::npos) \ |
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1599 buf << static_cast<char> (c); \ |
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1600 } \ |
3483 | 1601 else \ |
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1602 { \ |
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1603 int chars_read = 0; \ |
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1604 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1605 && char_class.find (c) == std::string::npos) \ |
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1606 buf << static_cast<char> (c); \ |
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1607 } \ |
3483 | 1608 \ |
7426 | 1609 if (width == INT_MAX && c != EOF) \ |
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1610 is.putback (c); \ |
3483 | 1611 \ |
7426 | 1612 tmp = buf.str (); \ |
3483 | 1613 \ |
7426 | 1614 if (tmp.empty ()) \ |
1615 is.setstate (std::ios::failbit); \ | |
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fix scanf char class conversion bug
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1616 else if (c == EOF) \ |
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1617 is.clear (); \ |
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1618 \ |
3483 | 1619 } \ |
1620 while (0) | |
1621 | |
3410 | 1622 #define FINISH_CHARACTER_CONVERSION() \ |
1623 do \ | |
1624 { \ | |
4051 | 1625 width = tmp.length (); \ |
3410 | 1626 \ |
1627 if (is) \ | |
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1628 { \ |
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1629 int i = 0; \ |
3410 | 1630 \ |
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1631 if (! discard) \ |
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1632 { \ |
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1633 conversion_count++; \ |
3410 | 1634 \ |
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1635 while (i < width) \ |
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1636 { \ |
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1637 if (data_index == max_size) \ |
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1638 { \ |
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1639 max_size *= 2; \ |
3410 | 1640 \ |
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1641 if (all_char_conv) \ |
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1642 { \ |
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1643 if (one_elt_size_spec) \ |
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1644 mval.resize (1, max_size, 0.0); \ |
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1645 else if (nr > 0) \ |
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1646 mval.resize (nr, max_size / nr, 0.0); \ |
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1647 else \ |
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1648 panic_impossible (); \ |
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1649 } \ |
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1650 else if (nr > 0) \ |
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1651 mval.resize (nr, max_size / nr, 0.0); \ |
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1652 else \ |
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1653 mval.resize (max_size, 1, 0.0); \ |
3410 | 1654 \ |
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1655 data = mval.fortran_vec (); \ |
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1656 } \ |
3410 | 1657 \ |
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1658 data[data_index++] = tmp[i++]; \ |
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1659 } \ |
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1660 } \ |
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1661 } \ |
3410 | 1662 } \ |
1663 while (0) | |
2117 | 1664 |
1665 octave_value | |
1666 octave_base_stream::do_scanf (scanf_format_list& fmt_list, | |
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1667 octave_idx_type nr, octave_idx_type nc, bool one_elt_size_spec, |
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1668 octave_idx_type& conversion_count, const std::string& who) |
2117 | 1669 { |
8773
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1670 octave_value retval = Matrix (); |
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1671 |
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1672 if ((interactive || forced_interactive) && file_number () == 0) |
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1673 { |
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1674 ::error ("%s: unable to read from stdin while running interactively", |
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1675 who.c_str ()); |
11586
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1676 |
8773
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1677 return retval; |
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1678 } |
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1679 |
3268 | 1680 conversion_count = 0; |
1681 | |
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1682 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 1683 |
5275 | 1684 octave_idx_type data_index = 0; |
2121 | 1685 |
3268 | 1686 if (nr == 0 || nc == 0) |
1687 { | |
1688 if (one_elt_size_spec) | |
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1689 nc = 0; |
3268 | 1690 |
1691 return Matrix (nr, nc, 0.0); | |
1692 } | |
1693 | |
3523 | 1694 std::istream *isp = input_stream (); |
2117 | 1695 |
1696 bool all_char_conv = fmt_list.all_character_conversions (); | |
1697 | |
1698 Matrix mval; | |
1699 double *data = 0; | |
5275 | 1700 octave_idx_type max_size = 0; |
1701 octave_idx_type max_conv = 0; | |
1702 | |
1703 octave_idx_type final_nr = 0; | |
1704 octave_idx_type final_nc = 0; | |
2117 | 1705 |
3268 | 1706 if (all_char_conv) |
1707 { | |
4420 | 1708 // Any of these could be resized later (if we have %s |
1709 // conversions, we may read more than one element for each | |
1710 // conversion). | |
1711 | |
3268 | 1712 if (one_elt_size_spec) |
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1713 { |
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1714 max_size = 512; |
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1715 mval.resize (1, max_size, 0.0); |
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1716 |
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1717 if (nr > 0) |
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1718 max_conv = nr; |
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1719 } |
4420 | 1720 else if (nr > 0) |
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1721 { |
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1722 if (nc > 0) |
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1723 { |
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1724 mval.resize (nr, nc, 0.0); |
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1725 max_size = max_conv = nr * nc; |
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1726 } |
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1727 else |
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1728 { |
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1729 mval.resize (nr, 32, 0.0); |
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1730 max_size = nr * 32; |
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1731 } |
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1732 } |
4420 | 1733 else |
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1734 panic_impossible (); |
3268 | 1735 } |
1736 else if (nr > 0) | |
2117 | 1737 { |
1738 if (nc > 0) | |
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1739 { |
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1740 // Will not resize later. |
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1741 mval.resize (nr, nc, 0.0); |
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1742 max_size = nr * nc; |
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1743 max_conv = max_size; |
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1744 } |
2117 | 1745 else |
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1746 { |
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1747 // Maybe resize later. |
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1748 mval.resize (nr, 32, 0.0); |
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1749 max_size = nr * 32; |
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1750 } |
2117 | 1751 } |
1752 else | |
1753 { | |
4420 | 1754 // Maybe resize later. |
2117 | 1755 mval.resize (32, 1, 0.0); |
1756 max_size = 32; | |
1757 } | |
1758 | |
4420 | 1759 data = mval.fortran_vec (); |
1760 | |
2117 | 1761 if (isp) |
1762 { | |
3523 | 1763 std::istream& is = *isp; |
2117 | 1764 |
1765 const scanf_format_elt *elt = fmt_list.first (); | |
1766 | |
3538 | 1767 std::ios::fmtflags flags = is.flags (); |
2213 | 1768 |
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1769 octave_idx_type trips = 0; |
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1770 |
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1771 octave_idx_type num_fmt_elts = fmt_list.length (); |
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1772 |
2117 | 1773 for (;;) |
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1774 { |
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1775 octave_quit (); |
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1776 |
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1777 if (elt) |
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1778 { |
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1779 if (! (elt->type == scanf_format_elt::whitespace_conversion |
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1780 || elt->type == scanf_format_elt::literal_conversion |
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1781 || elt->type == '%') |
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changeset
|
1782 && max_conv > 0 && conversion_count == max_conv) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1783 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1784 if (all_char_conv && one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1785 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1786 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1787 final_nc = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1788 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1789 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1790 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1791 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1792 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1793 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1794 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1795 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1796 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1797 else if (data_index == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1798 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1799 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1800 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1801 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1802 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1803 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1804 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1805 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1806 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1807 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1808 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1809 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1810 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1811 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1812 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1813 mval.resize (max_size, 1, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1814 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1815 data = mval.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1816 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1817 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1818 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1819 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1820 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1821 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1822 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1823 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1824 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1825 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1826 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1827 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1828 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1829 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1830 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1831 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1832 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1833 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1834 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1835 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1836 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1837 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1838 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1839 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1840 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1841 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1842 short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1843 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1844 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1845 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1846 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1847 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1848 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1849 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1850 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1851 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1852 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1853 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1854 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1855 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1856 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1857 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1858 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1859 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1860 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1861 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1862 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1863 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1864 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1865 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1866 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1867 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1868 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1869 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1870 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1871 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1872 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1873 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1874 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1875 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1876 unsigned short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1877 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1878 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1879 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1880 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1881 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1882 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1883 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1884 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1885 unsigned long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1886 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1887 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1888 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1889 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1890 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1891 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1892 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1893 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1894 unsigned int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1895 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1896 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1897 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1898 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1899 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1900 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1901 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1902 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1903 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1904 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1905 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1906 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1907 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1908 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1909 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1910 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1911 } |
57a59eae83cc
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1912 break; |
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1913 |
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1914 case 'c': |
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1915 { |
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1916 BEGIN_C_CONVERSION (); |
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1917 |
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1918 FINISH_CHARACTER_CONVERSION (); |
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1919 |
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1920 is.setf (flags); |
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1921 } |
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1922 break; |
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1923 |
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1924 case 's': |
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1925 { |
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1926 BEGIN_S_CONVERSION (); |
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1927 |
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1928 FINISH_CHARACTER_CONVERSION (); |
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1929 } |
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1930 break; |
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1931 |
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1932 case '[': case '^': |
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1933 { |
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1934 BEGIN_CHAR_CLASS_CONVERSION (); |
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1935 |
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1936 FINISH_CHARACTER_CONVERSION (); |
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1937 } |
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|
1938 break; |
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1939 |
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1940 case 'p': |
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1941 error ("%s: unsupported format specifier", who.c_str ()); |
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1942 break; |
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|
1943 |
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1944 default: |
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1945 error ("%s: internal format error", who.c_str ()); |
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1946 break; |
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|
1947 } |
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|
1948 |
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1949 if (! ok ()) |
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|
1950 { |
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1951 break; |
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|
1952 } |
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1953 else if (! is) |
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|
1954 { |
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1955 if (all_char_conv) |
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|
1956 { |
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1957 if (one_elt_size_spec) |
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|
1958 { |
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1959 final_nr = 1; |
57a59eae83cc
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1960 final_nc = data_index; |
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1961 } |
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1962 else if (data_index > nr) |
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|
1963 { |
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1964 final_nr = nr; |
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1965 final_nc = (data_index - 1) / nr + 1; |
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|
1966 } |
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|
1967 else |
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|
1968 { |
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1969 final_nr = data_index; |
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|
1970 final_nc = 1; |
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diff
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|
1971 } |
57a59eae83cc
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diff
changeset
|
1972 } |
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diff
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|
1973 else if (nr > 0) |
57a59eae83cc
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diff
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|
1974 { |
57a59eae83cc
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diff
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|
1975 if (data_index > nr) |
57a59eae83cc
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diff
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|
1976 { |
57a59eae83cc
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|
1977 final_nr = nr; |
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|
1978 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
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diff
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|
1979 } |
57a59eae83cc
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diff
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|
1980 else |
57a59eae83cc
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diff
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|
1981 { |
57a59eae83cc
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|
1982 final_nr = data_index; |
57a59eae83cc
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|
1983 final_nc = 1; |
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diff
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|
1984 } |
57a59eae83cc
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diff
changeset
|
1985 } |
57a59eae83cc
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diff
changeset
|
1986 else |
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diff
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|
1987 { |
57a59eae83cc
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diff
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|
1988 final_nr = data_index; |
57a59eae83cc
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diff
changeset
|
1989 final_nc = 1; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1990 } |
57a59eae83cc
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diff
changeset
|
1991 |
57a59eae83cc
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|
1992 // If it looks like we have a matching failure, then |
57a59eae83cc
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|
1993 // reset the failbit in the stream state. |
57a59eae83cc
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changeset
|
1994 |
57a59eae83cc
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|
1995 if (is.rdstate () & std::ios::failbit) |
57a59eae83cc
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|
1996 is.clear (is.rdstate () & (~std::ios::failbit)); |
57a59eae83cc
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diff
changeset
|
1997 |
57a59eae83cc
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diff
changeset
|
1998 // FIXME -- is this the right thing to do? |
57a59eae83cc
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|
1999 |
57a59eae83cc
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diff
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|
2000 if (interactive && name () == "stdin") |
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diff
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|
2001 { |
57a59eae83cc
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diff
changeset
|
2002 is.clear (); |
57a59eae83cc
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diff
changeset
|
2003 |
57a59eae83cc
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diff
changeset
|
2004 // Skip to end of line. |
57a59eae83cc
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parents:
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diff
changeset
|
2005 |
57a59eae83cc
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diff
changeset
|
2006 bool err; |
57a59eae83cc
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|
2007 do_gets (-1, err, false, who); |
57a59eae83cc
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diff
changeset
|
2008 } |
57a59eae83cc
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diff
changeset
|
2009 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2010 break; |
57a59eae83cc
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parents:
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diff
changeset
|
2011 } |
57a59eae83cc
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diff
changeset
|
2012 } |
57a59eae83cc
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diff
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|
2013 else |
57a59eae83cc
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parents:
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diff
changeset
|
2014 { |
57a59eae83cc
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diff
changeset
|
2015 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2016 break; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2017 } |
2117 | 2018 |
10187
a44d15813a39
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diff
changeset
|
2019 if (nconv == 0 && ++trips == num_fmt_elts) |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
2020 { |
a44d15813a39
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10160
diff
changeset
|
2021 if (all_char_conv && one_elt_size_spec) |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
2022 { |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
2023 final_nr = 1; |
a44d15813a39
don't skip literal text elements in scanf formats
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diff
changeset
|
2024 final_nc = data_index; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2025 } |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
2026 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2027 { |
a44d15813a39
don't skip literal text elements in scanf formats
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10160
diff
changeset
|
2028 final_nr = nr; |
a44d15813a39
don't skip literal text elements in scanf formats
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diff
changeset
|
2029 final_nc = (data_index - 1) / nr + 1; |
a44d15813a39
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parents:
10160
diff
changeset
|
2030 } |
a44d15813a39
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parents:
10160
diff
changeset
|
2031 |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
2032 break; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2033 } |
a44d15813a39
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parents:
10160
diff
changeset
|
2034 else |
a44d15813a39
don't skip literal text elements in scanf formats
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10160
diff
changeset
|
2035 elt = fmt_list.next (nconv > 0); |
10315
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|
2036 } |
2117 | 2037 } |
2038 | |
2039 if (ok ()) | |
2040 { | |
2121 | 2041 mval.resize (final_nr, final_nc, 0.0); |
2117 | 2042 |
3268 | 2043 retval = mval; |
2044 | |
2117 | 2045 if (all_char_conv) |
10315
57a59eae83cc
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|
2046 retval = retval.convert_to_str (false, true); |
2117 | 2047 } |
2048 | |
2049 return retval; | |
2050 } | |
2051 | |
2052 octave_value | |
3810 | 2053 octave_base_stream::scanf (const std::string& fmt, const Array<double>& size, |
10315
57a59eae83cc
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|
2054 octave_idx_type& conversion_count, const std::string& who) |
2117 | 2055 { |
2056 octave_value retval = Matrix (); | |
2057 | |
3559 | 2058 conversion_count = 0; |
2117 | 2059 |
3523 | 2060 std::istream *isp = input_stream (); |
2117 | 2061 |
2062 if (isp) | |
2063 { | |
2064 scanf_format_list fmt_list (fmt); | |
2065 | |
3640 | 2066 if (fmt_list.num_conversions () == -1) |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2067 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2068 else |
10315
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2069 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2070 octave_idx_type nr = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2071 octave_idx_type nc = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2072 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2073 bool one_elt_size_spec; |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2074 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2075 get_size (size, nr, nc, one_elt_size_spec, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2076 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2077 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2078 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec, |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2079 conversion_count, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2080 } |
2215 | 2081 } |
2082 else | |
4468 | 2083 invalid_operation (who, "reading"); |
2572 | 2084 |
2085 return retval; | |
2086 } | |
2087 | |
2712 | 2088 bool |
2089 octave_base_stream::do_oscanf (const scanf_format_elt *elt, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2090 octave_value& retval, const std::string& who) |
2572 | 2091 { |
2712 | 2092 bool quit = false; |
2215 | 2093 |
3523 | 2094 std::istream *isp = input_stream (); |
2215 | 2095 |
2096 if (isp) | |
2097 { | |
3523 | 2098 std::istream& is = *isp; |
2215 | 2099 |
3538 | 2100 std::ios::fmtflags flags = is.flags (); |
2215 | 2101 |
2102 if (elt) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2103 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2104 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2105 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2106 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2107 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2108 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2109 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2110 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2111 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2112 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2113 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2114 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2115 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2116 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2117 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2118 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2119 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2120 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2121 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2122 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2123 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2124 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2125 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2126 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2127 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2128 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2129 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2130 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2131 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2132 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2133 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2134 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2135 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2136 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2137 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2138 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2139 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2140 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2141 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2142 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2143 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2144 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2145 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2146 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2147 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2148 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2149 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2150 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2151 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2152 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2153 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2154 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2155 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2156 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2157 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2158 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2159 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2160 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2161 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2162 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2163 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2164 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2165 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2166 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2167 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2168 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2169 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2170 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2171 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2172 BEGIN_C_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2173 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2174 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2175 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2176 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2177 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2178 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2179 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2180 is.setf (flags); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2181 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2182 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2183 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2184 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2185 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2186 BEGIN_S_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2187 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2188 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2189 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2190 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2191 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2192 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2193 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2194 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2195 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2196 case '[': case '^': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2197 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2198 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2199 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2200 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2201 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2202 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2203 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2204 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2205 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2206 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2207 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2208 case 'p': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2209 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2210 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2211 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2212 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2213 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2214 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2215 } |
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2216 } |
2215 | 2217 |
2218 if (ok () && is.fail ()) | |
10315
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|
2219 { |
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|
2220 error ("%s: read error", who.c_str ()); |
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|
2221 |
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|
2222 // FIXME -- is this the right thing to do? |
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|
2223 |
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|
2224 if (interactive && name () == "stdin") |
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untabify src C++ source files
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diff
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|
2225 { |
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diff
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|
2226 // Skip to end of line. |
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|
2227 |
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diff
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|
2228 bool err; |
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2229 do_gets (-1, err, false, who); |
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|
2230 } |
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|
2231 } |
2215 | 2232 } |
2233 | |
2712 | 2234 return quit; |
2215 | 2235 } |
2236 | |
2237 octave_value_list | |
4468 | 2238 octave_base_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 2239 { |
2240 octave_value_list retval; | |
2241 | |
3523 | 2242 std::istream *isp = input_stream (); |
2215 | 2243 |
2244 if (isp) | |
2245 { | |
3523 | 2246 std::istream& is = *isp; |
2215 | 2247 |
2248 scanf_format_list fmt_list (fmt); | |
2249 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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2250 octave_idx_type nconv = fmt_list.num_conversions (); |
2215 | 2251 |
3640 | 2252 if (nconv == -1) |
10315
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2253 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2254 else |
10315
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|
2255 { |
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|
2256 is.clear (); |
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|
2257 |
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2258 octave_idx_type len = fmt_list.length (); |
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|
2259 |
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|
2260 retval.resize (nconv+1, Matrix ()); |
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|
2261 |
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2262 const scanf_format_elt *elt = fmt_list.first (); |
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|
2263 |
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2264 int num_values = 0; |
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|
2265 |
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|
2266 bool quit = false; |
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|
2267 |
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|
2268 for (octave_idx_type i = 0; i < len; i++) |
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|
2269 { |
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|
2270 octave_value tmp; |
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|
2271 |
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2272 quit = do_oscanf (elt, tmp, who); |
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|
2273 |
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|
2274 if (quit) |
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|
2275 break; |
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|
2276 else |
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|
2277 { |
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|
2278 if (tmp.is_defined ()) |
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untabify src C++ source files
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|
2279 retval (num_values++) = tmp; |
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|
2280 |
57a59eae83cc
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|
2281 if (! ok ()) |
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diff
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|
2282 break; |
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|
2283 |
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|
2284 elt = fmt_list.next (nconv > 0); |
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|
2285 } |
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|
2286 } |
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|
2287 |
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|
2288 retval(nconv) = num_values; |
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|
2289 |
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diff
changeset
|
2290 if (! quit) |
57a59eae83cc
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diff
changeset
|
2291 { |
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|
2292 // Pick up any trailing stuff. |
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untabify src C++ source files
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|
2293 if (ok () && len > nconv) |
57a59eae83cc
untabify src C++ source files
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changeset
|
2294 { |
57a59eae83cc
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diff
changeset
|
2295 octave_value tmp; |
57a59eae83cc
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diff
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|
2296 |
57a59eae83cc
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changeset
|
2297 elt = fmt_list.next (); |
57a59eae83cc
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diff
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|
2298 |
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|
2299 do_oscanf (elt, tmp, who); |
57a59eae83cc
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|
2300 } |
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|
2301 } |
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|
2302 } |
2117 | 2303 } |
2304 else | |
4468 | 2305 invalid_operation (who, "reading"); |
2117 | 2306 |
2307 return retval; | |
2308 } | |
2309 | |
2310 // Functions that are defined for all output streams (output streams | |
2311 // are those that define os). | |
2312 | |
2313 int | |
2314 octave_base_stream::flush (void) | |
2315 { | |
2316 int retval = -1; | |
2317 | |
3523 | 2318 std::ostream *os = output_stream (); |
2117 | 2319 |
2320 if (os) | |
2321 { | |
2322 os->flush (); | |
2323 | |
2324 if (os->good ()) | |
10315
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|
2325 retval = 0; |
2117 | 2326 } |
2327 else | |
2328 invalid_operation ("fflush", "writing"); | |
2329 | |
2330 return retval; | |
2331 } | |
2332 | |
2333 class | |
2334 printf_value_cache | |
2335 { | |
2336 public: | |
2337 | |
3653 | 2338 enum state { ok, conversion_error }; |
2117 | 2339 |
7352 | 2340 printf_value_cache (const octave_value_list& args, const std::string& who) |
2117 | 2341 : values (args), val_idx (0), elt_idx (0), |
2342 n_vals (values.length ()), n_elts (0), data (0), | |
7352 | 2343 curr_state (ok) |
2344 { | |
2345 for (octave_idx_type i = 0; i < values.length (); i++) | |
2346 { | |
10315
57a59eae83cc
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|
2347 octave_value val = values(i); |
57a59eae83cc
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|
2348 |
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|
2349 if (val.is_map () || val.is_cell () || val.is_object ()) |
57a59eae83cc
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|
2350 { |
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|
2351 gripe_wrong_type_arg (who, val); |
57a59eae83cc
untabify src C++ source files
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|
2352 break; |
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diff
changeset
|
2353 } |
7352 | 2354 } |
2355 } | |
2117 | 2356 |
2357 ~printf_value_cache (void) { } | |
2358 | |
2359 // Get the current value as a double and advance the internal pointer. | |
2360 double double_value (void); | |
2361 | |
2362 // Get the current value as an int and advance the internal pointer. | |
2363 int int_value (void); | |
2364 | |
2365 // Get the current value as a string and advance the internal pointer. | |
3523 | 2366 std::string string_value (void); |
2117 | 2367 |
3145 | 2368 operator bool () const { return (curr_state == ok); } |
2117 | 2369 |
3653 | 2370 bool exhausted (void) { return (val_idx >= n_vals); } |
2117 | 2371 |
2372 private: | |
2373 | |
2374 const octave_value_list values; | |
2375 int val_idx; | |
2376 int elt_idx; | |
2377 int n_vals; | |
2378 int n_elts; | |
2379 const double *data; | |
4874 | 2380 NDArray curr_val; |
2117 | 2381 state curr_state; |
2382 | |
2383 // Must create value cache with values! | |
2384 | |
2385 printf_value_cache (void); | |
2386 | |
2387 // No copying! | |
2388 | |
2389 printf_value_cache (const printf_value_cache&); | |
2390 | |
2391 printf_value_cache& operator = (const printf_value_cache&); | |
2392 }; | |
2393 | |
2394 double | |
2395 printf_value_cache::double_value (void) | |
2396 { | |
2397 double retval = 0.0; | |
2398 | |
3711 | 2399 if (exhausted ()) |
2400 curr_state = conversion_error; | |
2401 | |
2402 while (! exhausted ()) | |
2117 | 2403 { |
2404 if (! data) | |
10315
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|
2405 { |
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|
2406 octave_value tmp_val = values (val_idx); |
57a59eae83cc
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|
2407 |
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|
2408 // Force string conversion here for compatibility. |
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|
2409 |
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|
2410 curr_val = tmp_val.array_value (true); |
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|
2411 |
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|
2412 if (! error_state) |
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|
2413 { |
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|
2414 elt_idx = 0; |
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2415 n_elts = curr_val.length (); |
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2416 data = curr_val.data (); |
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|
2417 } |
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|
2418 else |
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|
2419 { |
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|
2420 curr_state = conversion_error; |
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changeset
|
2421 break; |
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|
2422 } |
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|
2423 } |
2117 | 2424 |
2425 if (elt_idx < n_elts) | |
10315
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|
2426 { |
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changeset
|
2427 retval = data[elt_idx++]; |
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|
2428 |
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|
2429 if (elt_idx >= n_elts) |
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changeset
|
2430 { |
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|
2431 elt_idx = 0; |
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changeset
|
2432 val_idx++; |
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changeset
|
2433 data = 0; |
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changeset
|
2434 } |
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changeset
|
2435 |
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changeset
|
2436 break; |
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changeset
|
2437 } |
2117 | 2438 else |
10315
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|
2439 { |
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changeset
|
2440 val_idx++; |
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changeset
|
2441 data = 0; |
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changeset
|
2442 |
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diff
changeset
|
2443 if (n_elts == 0 && exhausted ()) |
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untabify src C++ source files
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2444 curr_state = conversion_error; |
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diff
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|
2445 |
57a59eae83cc
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diff
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|
2446 continue; |
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diff
changeset
|
2447 } |
2117 | 2448 } |
2449 | |
2450 return retval; | |
2451 } | |
2452 | |
2453 int | |
2454 printf_value_cache::int_value (void) | |
2455 { | |
2456 int retval = 0; | |
2457 | |
2458 double dval = double_value (); | |
2459 | |
2460 if (! error_state) | |
2461 { | |
2462 if (D_NINT (dval) == dval) | |
10315
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|
2463 retval = NINT (dval); |
2117 | 2464 else |
10315
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untabify src C++ source files
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diff
changeset
|
2465 curr_state = conversion_error; |
2117 | 2466 } |
2467 | |
2468 return retval; | |
2469 } | |
2470 | |
3536 | 2471 std::string |
2117 | 2472 printf_value_cache::string_value (void) |
2473 { | |
3523 | 2474 std::string retval; |
2117 | 2475 |
4425 | 2476 if (exhausted ()) |
2477 curr_state = conversion_error; | |
4257 | 2478 else |
2117 | 2479 { |
4425 | 2480 octave_value tval = values (val_idx++); |
2481 | |
2482 if (tval.rows () == 1) | |
10315
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untabify src C++ source files
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|
2483 retval = tval.string_value (); |
4425 | 2484 else |
10315
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untabify src C++ source files
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diff
changeset
|
2485 { |
57a59eae83cc
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diff
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|
2486 // In the name of Matlab compatibility. |
57a59eae83cc
untabify src C++ source files
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|
2487 |
57a59eae83cc
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diff
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|
2488 charMatrix chm = tval.char_matrix_value (); |
57a59eae83cc
untabify src C++ source files
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diff
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|
2489 |
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diff
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|
2490 octave_idx_type nr = chm.rows (); |
57a59eae83cc
untabify src C++ source files
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diff
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|
2491 octave_idx_type nc = chm.columns (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2492 |
57a59eae83cc
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diff
changeset
|
2493 int k = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2494 |
57a59eae83cc
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diff
changeset
|
2495 retval.resize (nr * nc, '\0'); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2496 |
57a59eae83cc
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diff
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|
2497 for (octave_idx_type j = 0; j < nc; j++) |
57a59eae83cc
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|
2498 for (octave_idx_type i = 0; i < nr; i++) |
57a59eae83cc
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diff
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|
2499 retval[k++] = chm(i,j); |
57a59eae83cc
untabify src C++ source files
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diff
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|
2500 } |
4425 | 2501 |
2502 if (error_state) | |
10315
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|
2503 curr_state = conversion_error; |
2117 | 2504 } |
4257 | 2505 |
2117 | 2506 return retval; |
2507 } | |
2508 | |
2509 // Ugh again and again. | |
2510 | |
2572 | 2511 template <class T> |
3620 | 2512 int |
3523 | 2513 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1, |
10315
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untabify src C++ source files
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diff
changeset
|
2514 int sa_2, T arg, const std::string& who) |
2572 | 2515 { |
3620 | 2516 int retval = 0; |
2517 | |
2572 | 2518 switch (nsa) |
2519 { | |
2520 case 2: | |
3640 | 2521 retval = octave_format (os, fmt, sa_1, sa_2, arg); |
2572 | 2522 break; |
2523 | |
2524 case 1: | |
3640 | 2525 retval = octave_format (os, fmt, sa_1, arg); |
2572 | 2526 break; |
2527 | |
2528 case 0: | |
3640 | 2529 retval = octave_format (os, fmt, arg); |
2572 | 2530 break; |
2531 | |
2532 default: | |
4468 | 2533 ::error ("%s: internal error handling format", who.c_str ()); |
2572 | 2534 break; |
2535 } | |
3620 | 2536 |
2537 return retval; | |
2572 | 2538 } |
2539 | |
3620 | 2540 template int |
4468 | 2541 do_printf_conv (std::ostream&, const char*, int, int, int, int, |
10315
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changeset
|
2542 const std::string&); |
4468 | 2543 |
2544 template int | |
2545 do_printf_conv (std::ostream&, const char*, int, int, int, long, | |
10315
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changeset
|
2546 const std::string&); |
4468 | 2547 |
3878 | 2548 template int |
4468 | 2549 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned int, |
10315
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|
2550 const std::string&); |
4468 | 2551 |
2552 template int | |
2553 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned long, | |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2554 const std::string&); |
4468 | 2555 |
2556 template int | |
2557 do_printf_conv (std::ostream&, const char*, int, int, int, double, | |
10315
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diff
changeset
|
2558 const std::string&); |
4468 | 2559 |
2560 template int | |
2561 do_printf_conv (std::ostream&, const char*, int, int, int, const char*, | |
10315
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untabify src C++ source files
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diff
changeset
|
2562 const std::string&); |
2117 | 2563 |
6492 | 2564 #define DO_DOUBLE_CONV(TQUAL) \ |
2565 do \ | |
2566 { \ | |
7199 | 2567 if (val > std::numeric_limits<TQUAL long>::max () \ |
10315
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|
2568 || val < std::numeric_limits<TQUAL long>::min ()) \ |
57a59eae83cc
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changeset
|
2569 { \ |
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changeset
|
2570 std::string tfmt = fmt; \ |
6492 | 2571 \ |
10315
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changeset
|
2572 tfmt.replace (tfmt.rfind (elt->type), 1, ".f"); \ |
6492 | 2573 \ |
10315
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changeset
|
2574 if (elt->modifier == 'l') \ |
57a59eae83cc
untabify src C++ source files
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changeset
|
2575 tfmt.replace (tfmt.rfind (elt->modifier), 1, ""); \ |
7199 | 2576 \ |
10315
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untabify src C++ source files
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changeset
|
2577 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, \ |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2578 val, who); \ |
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changeset
|
2579 } \ |
6492 | 2580 else \ |
10315
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untabify src C++ source files
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|
2581 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, \ |
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changeset
|
2582 static_cast<TQUAL long> (val), who); \ |
6492 | 2583 } \ |
2584 while (0) | |
2585 | |
2117 | 2586 int |
2587 octave_base_stream::do_printf (printf_format_list& fmt_list, | |
10315
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|
2588 const octave_value_list& args, |
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changeset
|
2589 const std::string& who) |
2117 | 2590 { |
3620 | 2591 int retval = 0; |
2117 | 2592 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
2593 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 2594 |
3523 | 2595 std::ostream *osp = output_stream (); |
2117 | 2596 |
2597 if (osp) | |
2598 { | |
3523 | 2599 std::ostream& os = *osp; |
2117 | 2600 |
2601 const printf_format_elt *elt = fmt_list.first (); | |
2602 | |
7352 | 2603 printf_value_cache val_cache (args, who); |
2604 | |
2605 if (error_state) | |
10315
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untabify src C++ source files
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|
2606 return retval; |
2117 | 2607 |
2608 for (;;) | |
10315
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|
2609 { |
57a59eae83cc
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diff
changeset
|
2610 octave_quit (); |
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changeset
|
2611 |
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|
2612 if (elt) |
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|
2613 { |
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|
2614 // NSA is the number of `star' args to convert. |
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|
2615 |
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changeset
|
2616 int nsa = (elt->fw < 0) + (elt->prec < 0); |
57a59eae83cc
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|
2617 |
57a59eae83cc
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|
2618 int sa_1 = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2619 int sa_2 = 0; |
10315
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changeset
|
2620 |
57a59eae83cc
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|
2621 if (nsa > 0) |
57a59eae83cc
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diff
changeset
|
2622 { |
57a59eae83cc
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changeset
|
2623 sa_1 = val_cache.int_value (); |
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|
2624 |
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diff
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|
2625 if (! val_cache) |
57a59eae83cc
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diff
changeset
|
2626 break; |
57a59eae83cc
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diff
changeset
|
2627 else |
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|
2628 { |
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|
2629 if (nsa > 1) |
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|
2630 { |
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|
2631 sa_2 = val_cache.int_value (); |
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|
2632 |
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|
2633 if (! val_cache) |
57a59eae83cc
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diff
changeset
|
2634 break; |
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changeset
|
2635 } |
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|
2636 } |
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|
2637 } |
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|
2638 |
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|
2639 const char *fmt = elt->text; |
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|
2640 |
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|
2641 if (elt->type == '%') |
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|
2642 { |
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|
2643 os << "%"; |
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|
2644 retval++; |
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|
2645 } |
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|
2646 else if (elt->args == 0 && elt->text) |
57a59eae83cc
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|
2647 { |
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|
2648 os << elt->text; |
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changeset
|
2649 retval += strlen (elt->text); |
11586
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diff
changeset
|
2650 } |
10315
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|
2651 else if (elt->type == 's') |
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|
2652 { |
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changeset
|
2653 std::string val = val_cache.string_value (); |
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|
2654 |
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|
2655 if (val_cache) |
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changeset
|
2656 retval += do_printf_conv (os, fmt, nsa, sa_1, |
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changeset
|
2657 sa_2, val.c_str (), who); |
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|
2658 else |
57a59eae83cc
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changeset
|
2659 break; |
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diff
changeset
|
2660 } |
57a59eae83cc
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|
2661 else |
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|
2662 { |
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changeset
|
2663 double val = val_cache.double_value (); |
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|
2664 |
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changeset
|
2665 if (val_cache) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2666 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2667 if (lo_ieee_isnan (val) || xisinf (val)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2668 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2669 std::string tfmt = fmt; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2670 std::string::size_type i1, i2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2671 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2672 tfmt.replace ((i1 = tfmt.rfind (elt->type)), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2673 1, 1, 's'); |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2674 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2675 if ((i2 = tfmt.rfind ('.')) != std::string::npos && i2 < i1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2676 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2677 tfmt.erase (i2, i1-i2); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2678 if (elt->prec < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2679 nsa--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2680 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2681 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2682 const char *tval = xisinf (val) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2683 ? (val < 0 ? "-Inf" : "Inf") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2684 : (lo_ieee_is_NA (val) ? "NA" : "NaN"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2685 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2686 retval += do_printf_conv (os, tfmt.c_str (), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2687 nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2688 tval, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2689 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2690 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2691 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2692 char type = elt->type; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2693 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2694 switch (type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2695 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2696 case 'd': case 'i': case 'c': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2697 DO_DOUBLE_CONV (OCTAVE_EMPTY_CPP_ARG); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2698 break; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2699 |
57a59eae83cc
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diff
changeset
|
2700 case 'o': case 'x': case 'X': case 'u': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2701 DO_DOUBLE_CONV (unsigned); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2702 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2703 |
57a59eae83cc
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diff
changeset
|
2704 case 'f': case 'e': case 'E': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2705 case 'g': case 'G': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2706 retval |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2707 += do_printf_conv (os, fmt, nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2708 val, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2709 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2710 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2711 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2712 error ("%s: invalid format specifier", |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2713 who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2714 return -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2715 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2716 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2717 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2718 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2719 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2720 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2721 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2722 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2723 if (! os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2724 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2725 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2726 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2727 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2728 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2729 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2730 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2731 ::error ("%s: internal error handling format", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2732 retval = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2733 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2734 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2735 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2736 elt = fmt_list.next (nconv > 0 && ! val_cache.exhausted ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2737 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2738 if (! elt || (val_cache.exhausted () && elt->args > 0)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2739 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2740 } |
2117 | 2741 } |
3640 | 2742 else |
4468 | 2743 invalid_operation (who, "writing"); |
2117 | 2744 |
2745 return retval; | |
2746 } | |
2747 | |
2748 int | |
3640 | 2749 octave_base_stream::printf (const std::string& fmt, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2750 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2751 const std::string& who) |
2117 | 2752 { |
3640 | 2753 int retval = 0; |
2754 | |
2755 printf_format_list fmt_list (fmt); | |
2756 | |
2757 if (fmt_list.num_conversions () == -1) | |
4468 | 2758 ::error ("%s: invalid format specified", who.c_str ()); |
2117 | 2759 else |
4468 | 2760 retval = do_printf (fmt_list, args, who); |
2117 | 2761 |
2762 return retval; | |
2763 } | |
2764 | |
2765 int | |
4468 | 2766 octave_base_stream::puts (const std::string& s, const std::string& who) |
2117 | 2767 { |
2768 int retval = -1; | |
2769 | |
3523 | 2770 std::ostream *osp = output_stream (); |
2117 | 2771 |
2772 if (osp) | |
2773 { | |
3523 | 2774 std::ostream& os = *osp; |
2117 | 2775 |
2776 os << s; | |
2777 | |
2778 if (os) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2779 { |
57a59eae83cc
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diff
changeset
|
2780 // FIXME -- why does this seem to be necessary? |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2781 // Without it, output from a loop like |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2782 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2783 // for i = 1:100, fputs (stdout, "foo\n"); endfor |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2784 // |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2785 // doesn't seem to go to the pager immediately. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2786 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2787 os.flush (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2788 |
57a59eae83cc
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10293
diff
changeset
|
2789 if (os) |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2790 retval = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2791 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2792 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2793 } |
2117 | 2794 else |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2795 error ("%s: write error", who.c_str ()); |
2117 | 2796 } |
2797 else | |
4468 | 2798 invalid_operation (who, "writing"); |
2117 | 2799 |
2800 return retval; | |
2801 } | |
2802 | |
2803 // Return current error message for this stream. | |
2804 | |
3536 | 2805 std::string |
2435 | 2806 octave_base_stream::error (bool clear_err, int& err_num) |
2117 | 2807 { |
2435 | 2808 err_num = fail ? -1 : 0; |
2117 | 2809 |
3523 | 2810 std::string tmp = errmsg; |
2117 | 2811 |
2812 if (clear_err) | |
2813 clear (); | |
2814 | |
2815 return tmp; | |
2816 } | |
2817 | |
2818 void | |
4468 | 2819 octave_base_stream::invalid_operation (const std::string& who, const char *rw) |
2117 | 2820 { |
4468 | 2821 // Note that this is not ::error () ! |
2822 | |
6297 | 2823 error (who, std::string ("stream not open for ") + rw); |
2117 | 2824 } |
2825 | |
3552 | 2826 octave_stream::octave_stream (octave_base_stream *bs) |
3340 | 2827 : rep (bs) |
2828 { | |
2829 if (rep) | |
2830 rep->count = 1; | |
2831 } | |
2832 | |
2833 octave_stream::~octave_stream (void) | |
2834 { | |
2835 if (rep && --rep->count == 0) | |
2836 delete rep; | |
2837 } | |
2838 | |
2839 octave_stream::octave_stream (const octave_stream& s) | |
2840 : rep (s.rep) | |
2841 { | |
2842 if (rep) | |
2843 rep->count++; | |
2844 } | |
2845 | |
2846 octave_stream& | |
2847 octave_stream::operator = (const octave_stream& s) | |
2848 { | |
2849 if (rep != s.rep) | |
2850 { | |
2851 if (rep && --rep->count == 0) | |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
2852 delete rep; |
3340 | 2853 |
2854 rep = s.rep; | |
2855 | |
2856 if (rep) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2857 rep->count++; |
3340 | 2858 } |
2859 | |
2860 return *this; | |
2861 } | |
2862 | |
2117 | 2863 int |
2864 octave_stream::flush (void) | |
2865 { | |
2866 int retval = -1; | |
2867 | |
5659 | 2868 if (stream_ok ()) |
2117 | 2869 retval = rep->flush (); |
2870 | |
2871 return retval; | |
2872 } | |
2873 | |
3536 | 2874 std::string |
5275 | 2875 octave_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2876 { |
3523 | 2877 std::string retval; |
2117 | 2878 |
5659 | 2879 if (stream_ok ()) |
4468 | 2880 retval = rep->getl (max_len, err, who); |
2117 | 2881 |
2882 return retval; | |
2883 } | |
2884 | |
3536 | 2885 std::string |
4468 | 2886 octave_stream::getl (const octave_value& tc_max_len, bool& err, |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2887 const std::string& who) |
2117 | 2888 { |
3523 | 2889 std::string retval; |
2117 | 2890 |
2891 err = false; | |
2892 | |
2893 int conv_err = 0; | |
2894 | |
6345 | 2895 int max_len = -1; |
2896 | |
2897 if (tc_max_len.is_defined ()) | |
2117 | 2898 { |
6345 | 2899 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2900 | |
2901 if (conv_err || max_len < 0) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2902 { |
57a59eae83cc
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diff
changeset
|
2903 err = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2904 ::error ("%s: invalid maximum length specified", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2905 } |
2117 | 2906 } |
6345 | 2907 |
2908 if (! error_state) | |
4468 | 2909 retval = getl (max_len, err, who); |
2117 | 2910 |
2911 return retval; | |
2912 } | |
2913 | |
3536 | 2914 std::string |
5275 | 2915 octave_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2916 { |
3523 | 2917 std::string retval; |
2117 | 2918 |
5659 | 2919 if (stream_ok ()) |
4468 | 2920 retval = rep->gets (max_len, err, who); |
2117 | 2921 |
2922 return retval; | |
2923 } | |
2924 | |
3536 | 2925 std::string |
4468 | 2926 octave_stream::gets (const octave_value& tc_max_len, bool& err, |
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|
2927 const std::string& who) |
2117 | 2928 { |
3523 | 2929 std::string retval; |
2117 | 2930 |
2931 err = false; | |
2932 | |
2933 int conv_err = 0; | |
2934 | |
6345 | 2935 int max_len = -1; |
2936 | |
2937 if (tc_max_len.is_defined ()) | |
2117 | 2938 { |
6345 | 2939 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2940 | |
2941 if (conv_err || max_len < 0) | |
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|
2942 { |
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|
2943 err = true; |
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|
2944 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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|
2945 } |
2117 | 2946 } |
6345 | 2947 |
2948 if (! error_state) | |
4468 | 2949 retval = gets (max_len, err, who); |
2117 | 2950 |
2951 return retval; | |
2952 } | |
2953 | |
9701 | 2954 long |
2955 octave_stream::skipl (long count, bool& err, const std::string& who) | |
2956 { | |
2957 long retval = -1; | |
2958 | |
2959 if (stream_ok ()) | |
2960 retval = rep->skipl (count, err, who); | |
2961 | |
2962 return retval; | |
2963 } | |
2964 | |
2965 long | |
2966 octave_stream::skipl (const octave_value& tc_count, bool& err, const std::string& who) | |
2967 { | |
2968 long retval = -1; | |
2969 | |
2970 err = false; | |
2971 | |
2972 int conv_err = 0; | |
2973 | |
2974 int count = 1; | |
2975 | |
2976 if (tc_count.is_defined ()) | |
2977 { | |
2978 if (tc_count.is_scalar_type () && xisinf (tc_count.scalar_value ())) | |
2979 count = -1; | |
2980 else | |
2981 { | |
2982 count = convert_to_valid_int (tc_count, conv_err); | |
2983 | |
2984 if (conv_err || count < 0) | |
2985 { | |
2986 err = true; | |
2987 ::error ("%s: invalid number of lines specified", who.c_str ()); | |
2988 } | |
2989 } | |
2990 } | |
2991 | |
2992 if (! error_state) | |
2993 retval = skipl (count, err, who); | |
2994 | |
2995 return retval; | |
2996 } | |
2997 | |
2117 | 2998 int |
4797 | 2999 octave_stream::seek (long offset, int origin) |
2117 | 3000 { |
5065 | 3001 int status = -1; |
2117 | 3002 |
5659 | 3003 if (stream_ok ()) |
4889 | 3004 { |
3005 clearerr (); | |
3006 | |
5065 | 3007 long orig_pos = rep->tell (); |
3008 | |
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|
3009 status = rep->seek (offset, origin); |
5065 | 3010 |
3011 if (status == 0) | |
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|
3012 { |
12966
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|
3013 long save_pos = rep->tell (); |
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|
3014 |
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|
3015 rep->seek (0, SEEK_END); |
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|
3016 |
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|
3017 long pos_eof = rep->tell (); |
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|
3018 |
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|
3019 // I don't think save_pos can be less than zero, but we'll |
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|
3020 // check anyway... |
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|
3021 |
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changeset
|
3022 if (save_pos > pos_eof || save_pos < 0) |
10315
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|
3023 { |
12966
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diff
changeset
|
3024 // Seek outside bounds of file. Failure should leave |
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|
3025 // position unchanged. |
10315
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|
3026 |
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|
3027 rep->seek (orig_pos, SEEK_SET); |
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|
3028 |
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|
3029 status = -1; |
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|
3030 } |
12966
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|
3031 else |
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changeset
|
3032 { |
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diff
changeset
|
3033 // Is it possible for this to fail? We are just |
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diff
changeset
|
3034 // returning to a position after the first successful |
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diff
changeset
|
3035 // seek. |
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changeset
|
3036 |
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diff
changeset
|
3037 rep->seek (save_pos, SEEK_SET); |
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|
3038 } |
10315
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|
3039 } |
4889 | 3040 } |
2117 | 3041 |
5065 | 3042 return status; |
2117 | 3043 } |
3044 | |
3045 int | |
3046 octave_stream::seek (const octave_value& tc_offset, | |
10315
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|
3047 const octave_value& tc_origin) |
2117 | 3048 { |
3049 int retval = -1; | |
3050 | |
4797 | 3051 long xoffset = tc_offset.long_value (true); |
4645 | 3052 |
3053 if (! error_state) | |
2117 | 3054 { |
4645 | 3055 int conv_err = 0; |
3056 | |
4797 | 3057 int origin = SEEK_SET; |
2117 | 3058 |
2341 | 3059 if (tc_origin.is_string ()) |
10315
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|
3060 { |
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|
3061 std::string xorigin = tc_origin.string_value (); |
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|
3062 |
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|
3063 if (xorigin == "bof") |
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3064 origin = SEEK_SET; |
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3065 else if (xorigin == "cof") |
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|
3066 origin = SEEK_CUR; |
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|
3067 else if (xorigin == "eof") |
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|
3068 origin = SEEK_END; |
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|
3069 else |
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|
3070 conv_err = -1; |
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|
3071 } |
2341 | 3072 else |
10315
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|
3073 { |
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changeset
|
3074 int xorigin = convert_to_valid_int (tc_origin, conv_err); |
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|
3075 |
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changeset
|
3076 if (! conv_err) |
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changeset
|
3077 { |
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|
3078 if (xorigin == -1) |
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|
3079 origin = SEEK_SET; |
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|
3080 else if (xorigin == 0) |
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|
3081 origin = SEEK_CUR; |
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3082 else if (xorigin == 1) |
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|
3083 origin = SEEK_END; |
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changeset
|
3084 else |
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changeset
|
3085 conv_err = -1; |
57a59eae83cc
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changeset
|
3086 } |
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|
3087 } |
2117 | 3088 |
3089 if (! conv_err) | |
10315
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changeset
|
3090 { |
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changeset
|
3091 retval = seek (xoffset, origin); |
57a59eae83cc
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|
3092 |
57a59eae83cc
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changeset
|
3093 if (retval != 0) |
57a59eae83cc
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changeset
|
3094 error ("fseek: failed to seek to requested position"); |
57a59eae83cc
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changeset
|
3095 } |
2117 | 3096 else |
10315
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changeset
|
3097 error ("fseek: invalid value for origin"); |
2117 | 3098 } |
3099 else | |
3100 error ("fseek: invalid value for offset"); | |
3101 | |
3102 return retval; | |
3103 } | |
3104 | |
4797 | 3105 long |
3106 octave_stream::tell (void) | |
2117 | 3107 { |
4797 | 3108 long retval = -1; |
2117 | 3109 |
5659 | 3110 if (stream_ok ()) |
2117 | 3111 retval = rep->tell (); |
3112 | |
3113 return retval; | |
3114 } | |
3115 | |
3116 int | |
3117 octave_stream::rewind (void) | |
3118 { | |
6296 | 3119 return seek (0, SEEK_SET); |
2117 | 3120 } |
3121 | |
3340 | 3122 bool |
3123 octave_stream::is_open (void) const | |
3124 { | |
3125 bool retval = false; | |
3126 | |
5659 | 3127 if (stream_ok ()) |
3340 | 3128 retval = rep->is_open (); |
3129 | |
3130 return retval; | |
3131 } | |
3132 | |
3133 void | |
3134 octave_stream::close (void) | |
3135 { | |
5659 | 3136 if (stream_ok ()) |
3340 | 3137 rep->close (); |
3138 } | |
3139 | |
4944 | 3140 template <class RET_T, class READ_T> |
2117 | 3141 octave_value |
5275 | 3142 do_read (octave_stream& strm, octave_idx_type nr, octave_idx_type nc, octave_idx_type block_size, |
10315
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|
3143 octave_idx_type skip, bool do_float_fmt_conv, bool do_NA_conv, |
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|
3144 oct_mach_info::float_format from_flt_fmt, octave_idx_type& count) |
2117 | 3145 { |
3146 octave_value retval; | |
3147 | |
4944 | 3148 RET_T nda; |
3149 | |
3150 count = 0; | |
3151 | |
9941
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
3152 typedef typename RET_T::element_type ELMT; |
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several fixes by M. Goffioul
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diff
changeset
|
3153 ELMT elt_zero = ELMT (); |
1369f13ae6b2
several fixes by M. Goffioul
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diff
changeset
|
3154 |
1369f13ae6b2
several fixes by M. Goffioul
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diff
changeset
|
3155 ELMT *dat = 0; |
4944 | 3156 |
5275 | 3157 octave_idx_type max_size = 0; |
3158 | |
3159 octave_idx_type final_nr = 0; | |
3160 octave_idx_type final_nc = 1; | |
4944 | 3161 |
3162 if (nr > 0) | |
3163 { | |
3164 if (nc > 0) | |
10315
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|
3165 { |
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changeset
|
3166 nda.resize (dim_vector (nr, nc), elt_zero); |
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3167 dat = nda.fortran_vec (); |
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3168 max_size = nr * nc; |
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3169 } |
4944 | 3170 else |
10315
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changeset
|
3171 { |
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changeset
|
3172 nda.resize (dim_vector (nr, 32), elt_zero); |
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|
3173 dat = nda.fortran_vec (); |
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3174 max_size = nr * 32; |
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|
3175 } |
4944 | 3176 } |
3177 else | |
3178 { | |
3179 nda.resize (dim_vector (32, 1), elt_zero); | |
3180 dat = nda.fortran_vec (); | |
3181 max_size = 32; | |
3182 } | |
3183 | |
5775 | 3184 // FIXME -- byte order for Cray? |
4944 | 3185 |
3186 bool swap = false; | |
3187 | |
3188 if (oct_mach_info::words_big_endian ()) | |
3189 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
10315
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|
3190 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g |
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|
3191 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3192 else |
3193 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3194 | |
3195 union | |
3196 { | |
9685 | 3197 char buf[sizeof (typename strip_template_param<octave_int, READ_T>::type)]; |
3198 typename strip_template_param<octave_int, READ_T>::type val; | |
4944 | 3199 } u; |
3200 | |
3201 std::istream *isp = strm.input_stream (); | |
3202 | |
3203 if (isp) | |
3204 { | |
3205 std::istream& is = *isp; | |
3206 | |
5275 | 3207 octave_idx_type elts_read = 0; |
4944 | 3208 |
3209 for (;;) | |
10315
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diff
changeset
|
3210 { |
57a59eae83cc
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diff
changeset
|
3211 // FIXME -- maybe there should be a special case for |
57a59eae83cc
untabify src C++ source files
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diff
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|
3212 // skip == 0. |
57a59eae83cc
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diff
changeset
|
3213 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3214 if (is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3215 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3216 if (nr > 0 && nc > 0 && count == max_size) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3217 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3218 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3219 final_nc = nc; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3220 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3221 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3222 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3223 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3224 is.read (u.buf, sizeof (typename strip_template_param<octave_int, READ_T>::type)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3225 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
3226 // We only swap bytes for integer types. For float |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3227 // types, the format conversion will also handle byte |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3228 // swapping. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3229 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3230 if (swap) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3231 swap_bytes<sizeof (typename strip_template_param<octave_int, READ_T>::type)> (u.buf); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
3232 else if (do_float_fmt_conv) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3233 do_float_format_conversion |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
3234 (u.buf, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3235 sizeof (typename strip_template_param<octave_int, READ_T>::type), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3236 1, from_flt_fmt, oct_mach_info::float_format ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3237 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3238 typename RET_T::element_type tmp |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3239 = static_cast <typename RET_T::element_type> (u.val); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3240 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3241 if (is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3242 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3243 if (count == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3244 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3245 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3246 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3247 if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3248 nda.resize (dim_vector (nr, max_size / nr), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3249 elt_zero); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3250 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3251 nda.resize (dim_vector (max_size, 1), elt_zero); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3252 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3253 dat = nda.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3254 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3255 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3256 if (do_NA_conv && __lo_ieee_is_old_NA (tmp)) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3257 tmp = __lo_ieee_replace_old_NA (tmp); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3258 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3259 dat[count++] = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3260 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3261 elts_read++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3262 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3263 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3264 int seek_status = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3265 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3266 if (skip != 0 && elts_read == block_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3267 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3268 seek_status = strm.seek (skip, SEEK_CUR); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3269 elts_read = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3270 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3271 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3272 if (is.eof () || seek_status < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3273 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3274 if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3275 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3276 if (count > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3277 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3278 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3279 final_nc = (count - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3280 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3281 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3282 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3283 final_nr = count; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3284 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3285 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3286 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3287 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3288 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3289 final_nr = count; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3290 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3291 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3292 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3293 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3294 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3295 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3296 else if (is.eof ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3297 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3298 } |
4944 | 3299 } |
3300 | |
5030 | 3301 nda.resize (dim_vector (final_nr, final_nc), elt_zero); |
3302 | |
3303 retval = nda; | |
4944 | 3304 |
3305 return retval; | |
3306 } | |
3307 | |
3308 #define DO_READ_VAL_TEMPLATE(RET_T, READ_T) \ | |
3309 template octave_value \ | |
7995 | 3310 do_read<RET_T, READ_T> (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, \ |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3311 oct_mach_info::float_format, octave_idx_type&) |
4944 | 3312 |
5775 | 3313 // FIXME -- should we only have float if it is a different |
4944 | 3314 // size from double? |
3315 | |
3316 #define INSTANTIATE_DO_READ(VAL_T) \ | |
3317 DO_READ_VAL_TEMPLATE (VAL_T, octave_int8); \ | |
3318 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint8); \ | |
3319 DO_READ_VAL_TEMPLATE (VAL_T, octave_int16); \ | |
3320 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint16); \ | |
3321 DO_READ_VAL_TEMPLATE (VAL_T, octave_int32); \ | |
3322 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint32); \ | |
3323 DO_READ_VAL_TEMPLATE (VAL_T, octave_int64); \ | |
3324 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint64); \ | |
3325 DO_READ_VAL_TEMPLATE (VAL_T, float); \ | |
3326 DO_READ_VAL_TEMPLATE (VAL_T, double); \ | |
3327 DO_READ_VAL_TEMPLATE (VAL_T, char); \ | |
3328 DO_READ_VAL_TEMPLATE (VAL_T, signed char); \ | |
3329 DO_READ_VAL_TEMPLATE (VAL_T, unsigned char) | |
3330 | |
4970 | 3331 INSTANTIATE_DO_READ (int8NDArray); |
3332 INSTANTIATE_DO_READ (uint8NDArray); | |
3333 INSTANTIATE_DO_READ (int16NDArray); | |
3334 INSTANTIATE_DO_READ (uint16NDArray); | |
3335 INSTANTIATE_DO_READ (int32NDArray); | |
3336 INSTANTIATE_DO_READ (uint32NDArray); | |
3337 INSTANTIATE_DO_READ (int64NDArray); | |
3338 INSTANTIATE_DO_READ (uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3339 INSTANTIATE_DO_READ (FloatNDArray); |
4970 | 3340 INSTANTIATE_DO_READ (NDArray); |
3341 INSTANTIATE_DO_READ (charNDArray); | |
5780 | 3342 INSTANTIATE_DO_READ (boolNDArray); |
4944 | 3343 |
7995 | 3344 typedef octave_value (*read_fptr) (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3345 oct_mach_info::float_format ffmt, octave_idx_type&); |
4944 | 3346 |
3347 #define FILL_TABLE_ROW(R, VAL_T) \ | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3348 read_fptr_table[R][oct_data_conv::dt_int8] = do_read<VAL_T, octave_int8>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3349 read_fptr_table[R][oct_data_conv::dt_uint8] = do_read<VAL_T, octave_uint8>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3350 read_fptr_table[R][oct_data_conv::dt_int16] = do_read<VAL_T, octave_int16>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3351 read_fptr_table[R][oct_data_conv::dt_uint16] = do_read<VAL_T, octave_uint16>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3352 read_fptr_table[R][oct_data_conv::dt_int32] = do_read<VAL_T, octave_int32>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3353 read_fptr_table[R][oct_data_conv::dt_uint32] = do_read<VAL_T, octave_uint32>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3354 read_fptr_table[R][oct_data_conv::dt_int64] = do_read<VAL_T, octave_int64>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3355 read_fptr_table[R][oct_data_conv::dt_uint64] = do_read<VAL_T, octave_uint64>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3356 read_fptr_table[R][oct_data_conv::dt_single] = do_read<VAL_T, float>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3357 read_fptr_table[R][oct_data_conv::dt_double] = do_read<VAL_T, double>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3358 read_fptr_table[R][oct_data_conv::dt_char] = do_read<VAL_T, char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3359 read_fptr_table[R][oct_data_conv::dt_schar] = do_read<VAL_T, signed char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3360 read_fptr_table[R][oct_data_conv::dt_uchar] = do_read<VAL_T, unsigned char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3361 read_fptr_table[R][oct_data_conv::dt_logical] = do_read<VAL_T, unsigned char> |
4944 | 3362 |
3363 octave_value | |
5275 | 3364 octave_stream::read (const Array<double>& size, octave_idx_type block_size, |
10315
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3365 oct_data_conv::data_type input_type, |
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3366 oct_data_conv::data_type output_type, |
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3367 octave_idx_type skip, oct_mach_info::float_format ffmt, |
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3368 octave_idx_type& char_count) |
4944 | 3369 { |
3370 static bool initialized = false; | |
3371 | |
3372 // Table function pointers for return types x read types. | |
3373 | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
3374 static read_fptr read_fptr_table[oct_data_conv::dt_unknown][14]; |
4944 | 3375 |
3376 if (! initialized) | |
3377 { | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
3378 for (int i = 0; i < oct_data_conv::dt_unknown; i++) |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
3379 for (int j = 0; j < 14; j++) |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
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changeset
|
3380 read_fptr_table[i][j] = 0; |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
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diff
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|
3381 |
4944 | 3382 FILL_TABLE_ROW (oct_data_conv::dt_int8, int8NDArray); |
3383 FILL_TABLE_ROW (oct_data_conv::dt_uint8, uint8NDArray); | |
3384 FILL_TABLE_ROW (oct_data_conv::dt_int16, int16NDArray); | |
3385 FILL_TABLE_ROW (oct_data_conv::dt_uint16, uint16NDArray); | |
3386 FILL_TABLE_ROW (oct_data_conv::dt_int32, int32NDArray); | |
3387 FILL_TABLE_ROW (oct_data_conv::dt_uint32, uint32NDArray); | |
3388 FILL_TABLE_ROW (oct_data_conv::dt_int64, int64NDArray); | |
3389 FILL_TABLE_ROW (oct_data_conv::dt_uint64, uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3390 FILL_TABLE_ROW (oct_data_conv::dt_single, FloatNDArray); |
4944 | 3391 FILL_TABLE_ROW (oct_data_conv::dt_double, NDArray); |
3392 FILL_TABLE_ROW (oct_data_conv::dt_char, charNDArray); | |
3393 FILL_TABLE_ROW (oct_data_conv::dt_schar, charNDArray); | |
3394 FILL_TABLE_ROW (oct_data_conv::dt_uchar, charNDArray); | |
4970 | 3395 FILL_TABLE_ROW (oct_data_conv::dt_logical, boolNDArray); |
4944 | 3396 |
3397 initialized = true; | |
3398 } | |
3399 | |
3400 octave_value retval; | |
3401 | |
5659 | 3402 if (stream_ok ()) |
4944 | 3403 { |
5775 | 3404 // FIXME -- we may eventually want to make this extensible. |
3405 | |
3406 // FIXME -- we need a better way to ensure that this | |
4944 | 3407 // numbering stays consistent with the order of the elements in the |
3408 // data_type enum in the oct_data_conv class. | |
3409 | |
3410 char_count = 0; | |
3411 | |
5275 | 3412 octave_idx_type nr = -1; |
3413 octave_idx_type nc = -1; | |
4944 | 3414 |
3415 bool ignore; | |
3416 | |
3417 get_size (size, nr, nc, ignore, "fread"); | |
3418 | |
3419 if (! error_state) | |
10315
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|
3420 { |
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|
3421 if (nr == 0 || nc == 0) |
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3422 retval = Matrix (nr, nc); |
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|
3423 else |
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|
3424 { |
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|
3425 if (ffmt == oct_mach_info::flt_fmt_unknown) |
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3426 ffmt = float_format (); |
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|
3427 |
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3428 read_fptr fcn = read_fptr_table[output_type][input_type]; |
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3429 |
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3430 bool do_float_fmt_conv = ((input_type == oct_data_conv::dt_double |
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3431 || input_type == oct_data_conv::dt_single) |
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3432 && ffmt != float_format ()); |
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|
3433 |
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|
3434 bool do_NA_conv = (output_type == oct_data_conv::dt_double); |
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3435 |
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|
3436 if (fcn) |
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|
3437 { |
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|
3438 retval = (*fcn) (*this, nr, nc, block_size, skip, |
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|
3439 do_float_fmt_conv, do_NA_conv, |
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|
3440 ffmt, char_count); |
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|
3441 |
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|
3442 // FIXME -- kluge! |
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3443 |
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|
3444 if (! error_state |
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3445 && (output_type == oct_data_conv::dt_char |
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3446 || output_type == oct_data_conv::dt_schar |
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3447 || output_type == oct_data_conv::dt_uchar)) |
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3448 retval = retval.char_matrix_value (); |
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|
3449 } |
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|
3450 else |
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|
3451 error ("fread: unable to read and convert requested types"); |
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3452 } |
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3453 } |
4944 | 3454 else |
10315
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|
3455 invalid_operation ("fread", "reading"); |
4944 | 3456 } |
2117 | 3457 |
3458 return retval; | |
3459 } | |
3460 | |
5275 | 3461 octave_idx_type |
3462 octave_stream::write (const octave_value& data, octave_idx_type block_size, | |
10315
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3463 oct_data_conv::data_type output_type, octave_idx_type skip, |
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|
3464 oct_mach_info::float_format flt_fmt) |
2117 | 3465 { |
5275 | 3466 octave_idx_type retval = -1; |
2117 | 3467 |
5659 | 3468 if (stream_ok ()) |
4944 | 3469 { |
3470 if (! error_state) | |
10315
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untabify src C++ source files
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|
3471 { |
57a59eae83cc
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|
3472 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
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untabify src C++ source files
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|
3473 flt_fmt = float_format (); |
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|
3474 |
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3475 octave_idx_type status = data.write (*this, block_size, output_type, |
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|
3476 skip, flt_fmt); |
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changeset
|
3477 |
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changeset
|
3478 if (status < 0) |
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changeset
|
3479 error ("fwrite: write error"); |
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|
3480 else |
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|
3481 retval = status; |
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|
3482 } |
4944 | 3483 else |
10315
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changeset
|
3484 invalid_operation ("fwrite", "writing"); |
4944 | 3485 } |
2117 | 3486 |
3487 return retval; | |
3488 } | |
3489 | |
4944 | 3490 template <class T> |
3491 void | |
3492 write_int (std::ostream& os, bool swap, const T& val) | |
3493 { | |
9685 | 3494 typename T::val_type tmp = val.value (); |
4944 | 3495 |
3496 if (swap) | |
9685 | 3497 swap_bytes<sizeof (typename T::val_type)> (&tmp); |
4944 | 3498 |
3499 os.write (reinterpret_cast<const char *> (&tmp), | |
10315
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|
3500 sizeof (typename T::val_type)); |
4944 | 3501 } |
3502 | |
3503 template void write_int (std::ostream&, bool, const octave_int8&); | |
3504 template void write_int (std::ostream&, bool, const octave_uint8&); | |
3505 template void write_int (std::ostream&, bool, const octave_int16&); | |
3506 template void write_int (std::ostream&, bool, const octave_uint16&); | |
3507 template void write_int (std::ostream&, bool, const octave_int32&); | |
3508 template void write_int (std::ostream&, bool, const octave_uint32&); | |
3509 template void write_int (std::ostream&, bool, const octave_int64&); | |
3510 template void write_int (std::ostream&, bool, const octave_uint64&); | |
3511 | |
3512 template <class T> | |
3513 static inline bool | |
3514 do_write (std::ostream& os, const T& val, oct_data_conv::data_type output_type, | |
10315
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3515 oct_mach_info::float_format flt_fmt, bool swap, |
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|
3516 bool do_float_conversion) |
4944 | 3517 { |
3518 bool retval = true; | |
3519 | |
3520 // For compatibility, Octave converts to the output type, then | |
3521 // writes. This means that truncation happens on the conversion. | |
3522 // For example, the following program prints 0: | |
3523 // | |
3524 // x = int8 (-1) | |
3525 // f = fopen ("foo.dat", "w"); | |
3526 // fwrite (f, x, "unsigned char"); | |
3527 // fclose (f); | |
3528 // f = fopen ("foo.dat", "r"); | |
3529 // y = fread (f, 1, "unsigned char"); | |
3530 // printf ("%d\n", y); | |
3531 | |
3532 switch (output_type) | |
3533 { | |
3534 case oct_data_conv::dt_char: | |
3535 case oct_data_conv::dt_schar: | |
3536 case oct_data_conv::dt_int8: | |
3537 write_int (os, swap, octave_int8 (val)); | |
3538 break; | |
3539 | |
3540 case oct_data_conv::dt_uchar: | |
3541 case oct_data_conv::dt_uint8: | |
3542 write_int (os, swap, octave_uint8 (val)); | |
3543 break; | |
3544 | |
3545 case oct_data_conv::dt_int16: | |
3546 write_int (os, swap, octave_int16 (val)); | |
3547 break; | |
3548 | |
3549 case oct_data_conv::dt_uint16: | |
3550 write_int (os, swap, octave_uint16 (val)); | |
3551 break; | |
3552 | |
3553 case oct_data_conv::dt_int32: | |
3554 write_int (os, swap, octave_int32 (val)); | |
3555 break; | |
3556 | |
3557 case oct_data_conv::dt_uint32: | |
3558 write_int (os, swap, octave_uint32 (val)); | |
3559 break; | |
3560 | |
3561 case oct_data_conv::dt_int64: | |
3562 write_int (os, swap, octave_int64 (val)); | |
3563 break; | |
3564 | |
3565 case oct_data_conv::dt_uint64: | |
3566 write_int (os, swap, octave_uint64 (val)); | |
3567 break; | |
3568 | |
3569 case oct_data_conv::dt_single: | |
3570 { | |
10315
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3571 float f = static_cast<float> (val); |
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3572 |
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3573 if (do_float_conversion) |
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3574 do_float_format_conversion (&f, 1, flt_fmt); |
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3575 |
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|
3576 os.write (reinterpret_cast<const char *> (&f), sizeof (float)); |
4944 | 3577 } |
3578 break; | |
3579 | |
3580 case oct_data_conv::dt_double: | |
3581 { | |
10315
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3582 double d = static_cast<double> (val); |
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3583 if (do_float_conversion) |
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3584 do_double_format_conversion (&d, 1, flt_fmt); |
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3585 |
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|
3586 os.write (reinterpret_cast<const char *> (&d), sizeof (double)); |
4944 | 3587 } |
3588 break; | |
3589 | |
3590 default: | |
3591 retval = false; | |
3592 (*current_liboctave_error_handler) | |
10315
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|
3593 ("write: invalid type specification"); |
4944 | 3594 break; |
3595 } | |
3596 | |
3597 return retval; | |
3598 } | |
3599 | |
5887 | 3600 template bool |
3601 do_write (std::ostream&, const octave_int8&, oct_data_conv::data_type, | |
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3602 oct_mach_info::float_format, bool, bool); |
5887 | 3603 |
3604 template bool | |
3605 do_write (std::ostream&, const octave_uint8&, oct_data_conv::data_type, | |
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|
3606 oct_mach_info::float_format, bool, bool); |
5887 | 3607 |
3608 template bool | |
3609 do_write (std::ostream&, const octave_int16&, oct_data_conv::data_type, | |
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|
3610 oct_mach_info::float_format, bool, bool); |
5887 | 3611 |
3612 template bool | |
3613 do_write (std::ostream&, const octave_uint16&, oct_data_conv::data_type, | |
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|
3614 oct_mach_info::float_format, bool, bool); |
5887 | 3615 |
3616 template bool | |
3617 do_write (std::ostream&, const octave_int32&, oct_data_conv::data_type, | |
10315
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3618 oct_mach_info::float_format, bool, bool); |
5887 | 3619 |
3620 template bool | |
3621 do_write (std::ostream&, const octave_uint32&, oct_data_conv::data_type, | |
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3622 oct_mach_info::float_format, bool, bool); |
5887 | 3623 |
3624 template bool | |
3625 do_write (std::ostream&, const octave_int64&, oct_data_conv::data_type, | |
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3626 oct_mach_info::float_format, bool, bool); |
5887 | 3627 |
3628 template bool | |
3629 do_write (std::ostream&, const octave_uint64&, oct_data_conv::data_type, | |
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3630 oct_mach_info::float_format, bool, bool); |
5887 | 3631 |
4944 | 3632 template <class T> |
5275 | 3633 octave_idx_type |
3634 octave_stream::write (const Array<T>& data, octave_idx_type block_size, | |
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3635 oct_data_conv::data_type output_type, |
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3636 octave_idx_type skip, oct_mach_info::float_format flt_fmt) |
4944 | 3637 { |
5275 | 3638 octave_idx_type retval = -1; |
4944 | 3639 |
3640 bool status = true; | |
3641 | |
5275 | 3642 octave_idx_type count = 0; |
4944 | 3643 |
3644 const T *d = data.data (); | |
3645 | |
5275 | 3646 octave_idx_type n = data.length (); |
4944 | 3647 |
3648 oct_mach_info::float_format native_flt_fmt | |
3649 = oct_mach_info::float_format (); | |
3650 | |
3651 bool do_float_conversion = (flt_fmt != native_flt_fmt); | |
3652 | |
5775 | 3653 // FIXME -- byte order for Cray? |
4944 | 3654 |
3655 bool swap = false; | |
3656 | |
3657 if (oct_mach_info::words_big_endian ()) | |
3658 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
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3659 || flt_fmt == oct_mach_info::flt_fmt_vax_g |
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3660 || flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3661 else |
3662 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3663 | |
5275 | 3664 for (octave_idx_type i = 0; i < n; i++) |
4944 | 3665 { |
3666 std::ostream *osp = output_stream (); | |
3667 | |
3668 if (osp) | |
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|
3669 { |
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3670 std::ostream& os = *osp; |
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3671 |
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3672 if (skip != 0 && (i % block_size) == 0) |
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3673 { |
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3674 // Seek to skip when inside bounds of existing file. |
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3675 // Otherwise, write NUL to skip. |
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3676 |
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3677 long orig_pos = tell (); |
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3678 |
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3679 seek (0, SEEK_END); |
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3680 |
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3681 long eof_pos = tell (); |
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3682 |
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3683 // Is it possible for this to fail to return us to the |
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3684 // original position? |
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3685 seek (orig_pos, SEEK_SET); |
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3686 |
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3687 long remaining = eof_pos - orig_pos; |
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3688 |
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3689 if (remaining < skip) |
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3690 { |
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3691 seek (0, SEEK_END); |
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3692 |
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3693 // FIXME -- probably should try to write larger |
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3694 // blocks... |
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3695 |
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3696 unsigned char zero = 0; |
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3697 for (octave_idx_type j = 0; j < skip - remaining; j++) |
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3698 os.write (reinterpret_cast<const char *> (&zero), 1); |
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3699 } |
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|
3700 else |
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3701 seek (skip, SEEK_CUR); |
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3702 } |
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|
3703 |
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|
3704 if (os) |
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|
3705 { |
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3706 status = do_write (os, d[i], output_type, flt_fmt, swap, |
57a59eae83cc
untabify src C++ source files
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|
3707 do_float_conversion); |
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|
3708 |
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3709 if (os && status) |
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|
3710 count++; |
57a59eae83cc
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|
3711 else |
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|
3712 break; |
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|
3713 } |
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|
3714 else |
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|
3715 { |
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3716 status = false; |
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3717 break; |
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|
3718 } |
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3719 } |
4944 | 3720 else |
10315
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|
3721 { |
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3722 status = false; |
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|
3723 break; |
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|
3724 } |
4944 | 3725 } |
3726 | |
3727 if (status) | |
3728 retval = count; | |
3729 | |
3730 return retval; | |
3731 } | |
3732 | |
5275 | 3733 template octave_idx_type |
3734 octave_stream::write (const Array<char>&, octave_idx_type, | |
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3735 oct_data_conv::data_type, |
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3736 octave_idx_type, oct_mach_info::float_format); |
5275 | 3737 |
3738 template octave_idx_type | |
3739 octave_stream::write (const Array<bool>&, octave_idx_type, | |
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|
3740 oct_data_conv::data_type, |
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3741 octave_idx_type, oct_mach_info::float_format); |
5275 | 3742 |
3743 template octave_idx_type | |
3744 octave_stream::write (const Array<double>&, octave_idx_type, | |
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|
3745 oct_data_conv::data_type, |
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|
3746 octave_idx_type, oct_mach_info::float_format); |
5275 | 3747 |
3748 template octave_idx_type | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3749 octave_stream::write (const Array<float>&, octave_idx_type, |
10315
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|
3750 oct_data_conv::data_type, |
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3751 octave_idx_type, oct_mach_info::float_format); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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7724
diff
changeset
|
3752 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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7724
diff
changeset
|
3753 template octave_idx_type |
5275 | 3754 octave_stream::write (const Array<octave_int8>&, octave_idx_type, |
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3755 oct_data_conv::data_type, |
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changeset
|
3756 octave_idx_type, oct_mach_info::float_format); |
5275 | 3757 |
3758 template octave_idx_type | |
3759 octave_stream::write (const Array<octave_uint8>&, octave_idx_type, | |
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|
3760 oct_data_conv::data_type, |
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changeset
|
3761 octave_idx_type, oct_mach_info::float_format); |
5275 | 3762 |
3763 template octave_idx_type | |
3764 octave_stream::write (const Array<octave_int16>&, octave_idx_type, | |
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|
3765 oct_data_conv::data_type, |
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changeset
|
3766 octave_idx_type, oct_mach_info::float_format); |
5275 | 3767 |
3768 template octave_idx_type | |
3769 octave_stream::write (const Array<octave_uint16>&, octave_idx_type, | |
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changeset
|
3770 oct_data_conv::data_type, |
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changeset
|
3771 octave_idx_type, oct_mach_info::float_format); |
5275 | 3772 |
3773 template octave_idx_type | |
3774 octave_stream::write (const Array<octave_int32>&, octave_idx_type, | |
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|
3775 oct_data_conv::data_type, |
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changeset
|
3776 octave_idx_type, oct_mach_info::float_format); |
5275 | 3777 |
3778 template octave_idx_type | |
3779 octave_stream::write (const Array<octave_uint32>&, octave_idx_type, | |
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changeset
|
3780 oct_data_conv::data_type, |
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changeset
|
3781 octave_idx_type, oct_mach_info::float_format); |
5275 | 3782 |
3783 template octave_idx_type | |
3784 octave_stream::write (const Array<octave_int64>&, octave_idx_type, | |
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changeset
|
3785 oct_data_conv::data_type, |
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changeset
|
3786 octave_idx_type, oct_mach_info::float_format); |
5275 | 3787 |
3788 template octave_idx_type | |
3789 octave_stream::write (const Array<octave_uint64>&, octave_idx_type, | |
10315
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changeset
|
3790 oct_data_conv::data_type, |
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changeset
|
3791 octave_idx_type, oct_mach_info::float_format); |
4944 | 3792 |
2117 | 3793 octave_value |
3810 | 3794 octave_stream::scanf (const std::string& fmt, const Array<double>& size, |
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|
3795 octave_idx_type& count, const std::string& who) |
2117 | 3796 { |
3797 octave_value retval; | |
3798 | |
5659 | 3799 if (stream_ok ()) |
4468 | 3800 retval = rep->scanf (fmt, size, count, who); |
2117 | 3801 |
3802 return retval; | |
3803 } | |
3804 | |
5279 | 3805 octave_value |
3806 octave_stream::scanf (const octave_value& fmt, const Array<double>& size, | |
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|
3807 octave_idx_type& count, const std::string& who) |
5279 | 3808 { |
3809 octave_value retval = Matrix (); | |
3810 | |
3811 if (fmt.is_string ()) | |
3812 { | |
3813 std::string sfmt = fmt.string_value (); | |
3814 | |
3815 if (fmt.is_sq_string ()) | |
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|
3816 sfmt = do_string_escapes (sfmt); |
5279 | 3817 |
3818 retval = scanf (sfmt, size, count, who); | |
3819 } | |
3820 else | |
3821 { | |
3822 // Note that this is not ::error () ! | |
3823 | |
3824 error (who + ": format must be a string"); | |
3825 } | |
3826 | |
3827 return retval; | |
3828 } | |
3829 | |
2215 | 3830 octave_value_list |
4468 | 3831 octave_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 3832 { |
3833 octave_value_list retval; | |
3834 | |
5659 | 3835 if (stream_ok ()) |
4468 | 3836 retval = rep->oscanf (fmt, who); |
2215 | 3837 |
3838 return retval; | |
3839 } | |
3840 | |
5279 | 3841 octave_value_list |
3842 octave_stream::oscanf (const octave_value& fmt, const std::string& who) | |
3843 { | |
3844 octave_value_list retval; | |
3845 | |
3846 if (fmt.is_string ()) | |
3847 { | |
3848 std::string sfmt = fmt.string_value (); | |
3849 | |
3850 if (fmt.is_sq_string ()) | |
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3851 sfmt = do_string_escapes (sfmt); |
5279 | 3852 |
3853 retval = oscanf (sfmt, who); | |
3854 } | |
3855 else | |
3856 { | |
3857 // Note that this is not ::error () ! | |
3858 | |
3859 error (who + ": format must be a string"); | |
3860 } | |
3861 | |
3862 return retval; | |
3863 } | |
3864 | |
2117 | 3865 int |
4468 | 3866 octave_stream::printf (const std::string& fmt, const octave_value_list& args, |
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3867 const std::string& who) |
2117 | 3868 { |
3869 int retval = -1; | |
3870 | |
5659 | 3871 if (stream_ok ()) |
4468 | 3872 retval = rep->printf (fmt, args, who); |
2117 | 3873 |
3874 return retval; | |
3875 } | |
3876 | |
3877 int | |
5279 | 3878 octave_stream::printf (const octave_value& fmt, const octave_value_list& args, |
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3879 const std::string& who) |
5279 | 3880 { |
3881 int retval = 0; | |
3882 | |
3883 if (fmt.is_string ()) | |
3884 { | |
3885 std::string sfmt = fmt.string_value (); | |
3886 | |
3887 if (fmt.is_sq_string ()) | |
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3888 sfmt = do_string_escapes (sfmt); |
5279 | 3889 |
3890 retval = printf (sfmt, args, who); | |
3891 } | |
3892 else | |
3893 { | |
3894 // Note that this is not ::error () ! | |
3895 | |
3896 error (who + ": format must be a string"); | |
3897 } | |
3898 | |
3899 return retval; | |
3900 } | |
3901 | |
3902 int | |
4468 | 3903 octave_stream::puts (const std::string& s, const std::string& who) |
2117 | 3904 { |
3905 int retval = -1; | |
3906 | |
5659 | 3907 if (stream_ok ()) |
4468 | 3908 retval = rep->puts (s, who); |
2117 | 3909 |
3910 return retval; | |
3911 } | |
3912 | |
5775 | 3913 // FIXME -- maybe this should work for string arrays too. |
2117 | 3914 |
3915 int | |
4468 | 3916 octave_stream::puts (const octave_value& tc_s, const std::string& who) |
2117 | 3917 { |
3918 int retval = -1; | |
3919 | |
3920 if (tc_s.is_string ()) | |
3921 { | |
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3922 std::string s = tc_s.string_value (); |
5279 | 3923 retval = puts (s, who); |
2117 | 3924 } |
3925 else | |
4468 | 3926 { |
3927 // Note that this is not ::error () ! | |
3928 | |
3929 error (who + ": argument must be a string"); | |
3930 } | |
2117 | 3931 |
3932 return retval; | |
3933 } | |
3934 | |
3935 bool | |
3936 octave_stream::eof (void) const | |
3937 { | |
3938 int retval = -1; | |
3939 | |
5659 | 3940 if (stream_ok ()) |
2117 | 3941 retval = rep->eof (); |
3942 | |
3943 return retval; | |
3944 } | |
3945 | |
3536 | 3946 std::string |
2435 | 3947 octave_stream::error (bool clear, int& err_num) |
2117 | 3948 { |
5649 | 3949 std::string retval = "invalid stream object"; |
3950 | |
5659 | 3951 if (stream_ok (false)) |
2435 | 3952 retval = rep->error (clear, err_num); |
2117 | 3953 |
3954 return retval; | |
3955 } | |
3956 | |
3536 | 3957 std::string |
3340 | 3958 octave_stream::name (void) const |
2117 | 3959 { |
3523 | 3960 std::string retval; |
2117 | 3961 |
5659 | 3962 if (stream_ok ()) |
2117 | 3963 retval = rep->name (); |
3964 | |
3965 return retval; | |
3966 } | |
3967 | |
3968 int | |
3340 | 3969 octave_stream::mode (void) const |
2117 | 3970 { |
3971 int retval = 0; | |
3972 | |
5659 | 3973 if (stream_ok ()) |
2117 | 3974 retval = rep->mode (); |
3975 | |
3976 return retval; | |
3977 } | |
3978 | |
2317 | 3979 oct_mach_info::float_format |
3340 | 3980 octave_stream::float_format (void) const |
2117 | 3981 { |
4574 | 3982 oct_mach_info::float_format retval = oct_mach_info::flt_fmt_unknown; |
2317 | 3983 |
5659 | 3984 if (stream_ok ()) |
2317 | 3985 retval = rep->float_format (); |
2117 | 3986 |
3987 return retval; | |
3988 } | |
3989 | |
3536 | 3990 std::string |
2117 | 3991 octave_stream::mode_as_string (int mode) |
3992 { | |
3523 | 3993 std::string retval = "???"; |
3775 | 3994 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode); |
3995 | |
3996 if (in_mode == std::ios::in) | |
3997 retval = "r"; | |
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3998 else if (in_mode == std::ios::out |
4078 | 3999 || in_mode == (std::ios::out | std::ios::trunc)) |
3775 | 4000 retval = "w"; |
4078 | 4001 else if (in_mode == (std::ios::out | std::ios::app)) |
3775 | 4002 retval = "a"; |
4078 | 4003 else if (in_mode == (std::ios::in | std::ios::out)) |
3775 | 4004 retval = "r+"; |
4078 | 4005 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc)) |
3775 | 4006 retval = "w+"; |
4078 | 4007 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate)) |
3775 | 4008 retval = "a+"; |
4078 | 4009 else if (in_mode == (std::ios::in | std::ios::binary)) |
3775 | 4010 retval = "rb"; |
4078 | 4011 else if (in_mode == (std::ios::out | std::ios::binary) |
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4012 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary)) |
3775 | 4013 retval = "wb"; |
4078 | 4014 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary)) |
3775 | 4015 retval = "ab"; |
4078 | 4016 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary)) |
3775 | 4017 retval = "r+b"; |
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4018 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc |
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4019 | std::ios::binary)) |
3775 | 4020 retval = "w+b"; |
4078 | 4021 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate |
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4022 | std::ios::binary)) |
3775 | 4023 retval = "a+b"; |
2117 | 4024 |
4025 return retval; | |
4026 } | |
4027 | |
4028 octave_stream_list *octave_stream_list::instance = 0; | |
4029 | |
2926 | 4030 bool |
4031 octave_stream_list::instance_ok (void) | |
4032 { | |
4033 bool retval = true; | |
4034 | |
4035 if (! instance) | |
4036 instance = new octave_stream_list (); | |
4037 | |
4038 if (! instance) | |
4039 { | |
4040 ::error ("unable to create stream list object!"); | |
4041 | |
4042 retval = false; | |
4043 } | |
4044 | |
4045 return retval; | |
4046 } | |
4047 | |
5353 | 4048 int |
6757 | 4049 octave_stream_list::insert (octave_stream& os) |
2926 | 4050 { |
5353 | 4051 return (instance_ok ()) ? instance->do_insert (os) : -1; |
2926 | 4052 } |
4053 | |
3340 | 4054 octave_stream |
3523 | 4055 octave_stream_list::lookup (int fid, const std::string& who) |
2926 | 4056 { |
3341 | 4057 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 4058 } |
4059 | |
3340 | 4060 octave_stream |
3523 | 4061 octave_stream_list::lookup (const octave_value& fid, const std::string& who) |
2926 | 4062 { |
3341 | 4063 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 4064 } |
4065 | |
4066 int | |
3523 | 4067 octave_stream_list::remove (int fid, const std::string& who) |
2926 | 4068 { |
3341 | 4069 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 4070 } |
4071 | |
4072 int | |
3523 | 4073 octave_stream_list::remove (const octave_value& fid, const std::string& who) |
2926 | 4074 { |
3341 | 4075 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 4076 } |
4077 | |
4078 void | |
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4079 octave_stream_list::clear (bool flush) |
2926 | 4080 { |
4081 if (instance) | |
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4082 instance->do_clear (flush); |
2926 | 4083 } |
4084 | |
4085 string_vector | |
4086 octave_stream_list::get_info (int fid) | |
4087 { | |
4088 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
4089 } | |
4090 | |
4091 string_vector | |
4092 octave_stream_list::get_info (const octave_value& fid) | |
4093 { | |
4094 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
4095 } | |
4096 | |
3536 | 4097 std::string |
2926 | 4098 octave_stream_list::list_open_files (void) |
4099 { | |
3523 | 4100 return (instance_ok ()) ? instance->do_list_open_files () : std::string (); |
2926 | 4101 } |
4102 | |
4103 octave_value | |
4104 octave_stream_list::open_file_numbers (void) | |
4105 { | |
4106 return (instance_ok ()) | |
4107 ? instance->do_open_file_numbers () : octave_value (); | |
4108 } | |
4109 | |
4110 int | |
4111 octave_stream_list::get_file_number (const octave_value& fid) | |
4112 { | |
4113 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1; | |
4114 } | |
4115 | |
5353 | 4116 int |
6757 | 4117 octave_stream_list::do_insert (octave_stream& os) |
2117 | 4118 { |
6757 | 4119 // Insert item with key corresponding to file-descriptor. |
4120 | |
4121 int stream_number; | |
4122 | |
4123 if ((stream_number = os.file_number ()) == -1) | |
4124 return stream_number; | |
4125 | |
4126 // Should we test for "(list.find (stream_number) != list.end ()) && | |
4127 // list[stream_number].is_open ()" and respond with "error | |
4128 // ("internal error: ...")"? It should not happen except for some | |
4129 // bug or if the user has opened a stream with an interpreted | |
4130 // command, but closed it directly with a system call in an | |
4131 // oct-file; then the kernel knows the fd is free, but Octave does | |
4132 // not know. If it happens, it should not do harm here to simply | |
4133 // overwrite this entry, although the wrong entry might have done | |
4134 // harm before. | |
4135 | |
4136 if (list.size () < list.max_size ()) | |
4137 list[stream_number] = os; | |
4138 else | |
2117 | 4139 { |
6757 | 4140 stream_number = -1; |
4141 error ("could not create file id"); | |
3340 | 4142 } |
2117 | 4143 |
5353 | 4144 return stream_number; |
6757 | 4145 |
2117 | 4146 } |
4147 | |
3341 | 4148 static void |
3523 | 4149 gripe_invalid_file_id (int fid, const std::string& who) |
3341 | 4150 { |
4151 if (who.empty ()) | |
4152 ::error ("invalid stream number = %d", fid); | |
4153 else | |
4154 ::error ("%s: invalid stream number = %d", who.c_str (), fid); | |
4155 } | |
4156 | |
3340 | 4157 octave_stream |
3523 | 4158 octave_stream_list::do_lookup (int fid, const std::string& who) const |
2117 | 4159 { |
3340 | 4160 octave_stream retval; |
2117 | 4161 |
6757 | 4162 if (fid >= 0) |
4163 { | |
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4164 if (lookup_cache != list.end () && lookup_cache->first == fid) |
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4165 retval = lookup_cache->second; |
6757 | 4166 else |
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4167 { |
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4168 ostrl_map::const_iterator iter = list.find (fid); |
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4169 |
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4170 if (iter != list.end ()) |
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4171 { |
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4172 retval = iter->second; |
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4173 lookup_cache = iter; |
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4174 } |
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4175 else |
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4176 gripe_invalid_file_id (fid, who); |
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4177 } |
6757 | 4178 } |
3341 | 4179 else |
4180 gripe_invalid_file_id (fid, who); | |
2117 | 4181 |
4182 return retval; | |
4183 } | |
4184 | |
3340 | 4185 octave_stream |
3341 | 4186 octave_stream_list::do_lookup (const octave_value& fid, |
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4187 const std::string& who) const |
2117 | 4188 { |
3340 | 4189 octave_stream retval; |
2117 | 4190 |
4191 int i = get_file_number (fid); | |
4192 | |
4193 if (! error_state) | |
3341 | 4194 retval = do_lookup (i, who); |
2117 | 4195 |
4196 return retval; | |
4197 } | |
4198 | |
4199 int | |
3523 | 4200 octave_stream_list::do_remove (int fid, const std::string& who) |
2117 | 4201 { |
4202 int retval = -1; | |
4203 | |
3531 | 4204 // Can't remove stdin (std::cin), stdout (std::cout), or stderr |
4205 // (std::cerr). | |
2117 | 4206 |
6757 | 4207 if (fid > 2) |
2117 | 4208 { |
6757 | 4209 ostrl_map::iterator iter = list.find (fid); |
4210 | |
4211 if (iter != list.end ()) | |
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4212 { |
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4213 octave_stream os = iter->second; |
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4214 list.erase (iter); |
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4215 lookup_cache = list.end (); |
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4216 |
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4217 // FIXME: is this check redundant? |
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4218 if (os.is_valid ()) |
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4219 { |
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4220 os.close (); |
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4221 retval = 0; |
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4222 } |
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4223 else |
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4224 gripe_invalid_file_id (fid, who); |
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4225 } |
3341 | 4226 else |
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4227 gripe_invalid_file_id (fid, who); |
2117 | 4228 } |
3341 | 4229 else |
4230 gripe_invalid_file_id (fid, who); | |
2117 | 4231 |
4232 return retval; | |
4233 } | |
4234 | |
4235 int | |
3523 | 4236 octave_stream_list::do_remove (const octave_value& fid, const std::string& who) |
2117 | 4237 { |
4238 int retval = -1; | |
4239 | |
6054 | 4240 if (fid.is_string () && fid.string_value () == "all") |
4241 { | |
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4242 do_clear (false); |
6054 | 4243 |
4244 retval = 0; | |
4245 } | |
4246 else | |
4247 { | |
4248 int i = get_file_number (fid); | |
4249 | |
4250 if (! error_state) | |
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4251 retval = do_remove (i, who); |
6054 | 4252 } |
2117 | 4253 |
4254 return retval; | |
4255 } | |
4256 | |
4257 void | |
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4258 octave_stream_list::do_clear (bool flush) |
2117 | 4259 { |
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4260 if (flush) |
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4261 { |
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4262 // Do flush stdout and stderr. |
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4263 |
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4264 list[0].flush (); |
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4265 list[1].flush (); |
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4266 } |
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4267 |
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4268 octave_stream saved_os[3]; |
2117 | 4269 // But don't delete them or stdin. |
8902
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4270 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); iter++) |
6757 | 4271 { |
8902
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4272 int fid = iter->first; |
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4273 octave_stream os = iter->second; |
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4274 if (fid < 3) |
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4275 saved_os[fid] = os; |
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4276 else if (os.is_valid ()) |
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4277 os.close (); |
6757 | 4278 } |
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4279 list.clear (); |
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4280 for (int fid = 0; fid < 3; fid++) list[fid] = saved_os[fid]; |
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4281 lookup_cache = list.end (); |
2117 | 4282 } |
4283 | |
4284 string_vector | |
4285 octave_stream_list::do_get_info (int fid) const | |
4286 { | |
4287 string_vector retval; | |
4288 | |
3340 | 4289 octave_stream os = do_lookup (fid); |
2117 | 4290 |
3341 | 4291 if (os.is_valid ()) |
2117 | 4292 { |
4293 retval.resize (3); | |
4294 | |
3340 | 4295 retval(0) = os.name (); |
4296 retval(1) = octave_stream::mode_as_string (os.mode ()); | |
4297 retval(2) = oct_mach_info::float_format_as_string (os.float_format ()); | |
2117 | 4298 } |
4299 else | |
3341 | 4300 ::error ("invalid file id = %d", fid); |
2117 | 4301 |
4302 return retval; | |
4303 } | |
4304 | |
4305 string_vector | |
4306 octave_stream_list::do_get_info (const octave_value& fid) const | |
4307 { | |
4308 string_vector retval; | |
4309 | |
4310 int conv_err = 0; | |
4311 | |
4312 int int_fid = convert_to_valid_int (fid, conv_err); | |
4313 | |
4314 if (! conv_err) | |
4315 retval = do_get_info (int_fid); | |
4316 else | |
2915 | 4317 ::error ("file id must be a file object or integer value"); |
2117 | 4318 |
4319 return retval; | |
4320 } | |
4321 | |
3536 | 4322 std::string |
2117 | 4323 octave_stream_list::do_list_open_files (void) const |
4324 { | |
3523 | 4325 std::string retval; |
2117 | 4326 |
5765 | 4327 std::ostringstream buf; |
2117 | 4328 |
4329 buf << "\n" | |
4330 << " number mode arch name\n" | |
4331 << " ------ ---- ---- ----\n"; | |
4332 | |
6757 | 4333 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4334 { |
6757 | 4335 octave_stream os = p->second; |
2117 | 4336 |
4326 | 4337 buf << " " |
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4338 << std::setiosflags (std::ios::right) |
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4339 << std::setw (4) << p->first << " " |
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4340 << std::setiosflags (std::ios::left) |
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4341 << std::setw (3) |
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4342 << octave_stream::mode_as_string (os.mode ()) |
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4343 << " " |
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4344 << std::setw (9) |
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4345 << oct_mach_info::float_format_as_string (os.float_format ()) |
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4346 << " " |
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4347 << os.name () << "\n"; |
2117 | 4348 } |
4349 | |
5765 | 4350 buf << "\n"; |
4351 | |
4352 retval = buf.str (); | |
2117 | 4353 |
4354 return retval; | |
4355 } | |
4356 | |
4357 octave_value | |
4358 octave_stream_list::do_open_file_numbers (void) const | |
4359 { | |
6757 | 4360 Matrix retval (1, list.size (), 0.0); |
2117 | 4361 |
4362 int num_open = 0; | |
4363 | |
6757 | 4364 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4365 { |
6757 | 4366 // Skip stdin, stdout, and stderr. |
4367 | |
4368 if (p->first > 2 && p->second) | |
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4369 retval(0,num_open++) = p->first; |
2117 | 4370 } |
4371 | |
4372 retval.resize ((num_open > 0), num_open); | |
4373 | |
4374 return retval; | |
4375 } | |
4376 | |
4377 int | |
2609 | 4378 octave_stream_list::do_get_file_number (const octave_value& fid) const |
2117 | 4379 { |
4380 int retval = -1; | |
4381 | |
4382 if (fid.is_string ()) | |
4383 { | |
3523 | 4384 std::string nm = fid.string_value (); |
2117 | 4385 |
6757 | 4386 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
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4387 { |
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4388 // stdin (std::cin), stdout (std::cout), and stderr (std::cerr) |
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4389 // are unnamed. |
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4390 |
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4391 if (p->first > 2) |
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4392 { |
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4393 octave_stream os = p->second; |
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4394 |
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4395 if (os && os.name () == nm) |
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4396 { |
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4397 retval = p->first; |
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4398 break; |
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4399 } |
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4400 } |
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4401 } |
2117 | 4402 } |
4403 else | |
4404 { | |
4405 int conv_err = 0; | |
4406 | |
4407 int int_fid = convert_to_valid_int (fid, conv_err); | |
4408 | |
4409 if (conv_err) | |
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4410 ::error ("file id must be a file object, std::string, or integer value"); |
2117 | 4411 else |
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4412 retval = int_fid; |
2117 | 4413 } |
4414 | |
4415 return retval; | |
4416 } |