Mercurial > hg > octave-nkf
annotate src/oct-stream.cc @ 12943:8372d50de75a
improve logic of octave_stream::seek funtion
* oct-stream.cc (octave_stream::seek): Find initial and EOF positions
before attempting to seek to requested position.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 10 Aug 2011 10:52:41 -0400 |
parents | b74cb659e757 |
children | ae88a81e5d5c |
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 | |
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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 */, |
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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 { | |
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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)) |
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1226 /* skip whitespace */; |
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1227 |
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1228 if (c1 != EOF) |
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1229 { |
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1230 is.putback (c1); |
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1231 |
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1232 ref = octave_read_value<double> (is); |
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1233 } |
5176 | 1234 } |
1235 break; | |
1236 | |
1237 default: | |
1238 panic_impossible (); | |
1239 break; | |
1240 } | |
1241 | |
1242 return is; | |
1243 } | |
1244 | |
2572 | 1245 template <class T> |
1246 void | |
3636 | 1247 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt, |
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1248 T valptr, Matrix& mval, double *data, octave_idx_type& idx, |
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1249 octave_idx_type& conversion_count, octave_idx_type nr, octave_idx_type max_size, |
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1250 bool discard) |
2572 | 1251 { |
3640 | 1252 OCTAVE_SCAN (is, fmt, valptr); |
2572 | 1253 |
1254 if (is) | |
1255 { | |
1256 if (idx == max_size && ! discard) | |
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1257 { |
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1258 max_size *= 2; |
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1259 |
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1260 if (nr > 0) |
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1261 mval.resize (nr, max_size / nr, 0.0); |
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1262 else |
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1263 mval.resize (max_size, 1, 0.0); |
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1264 |
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1265 data = mval.fortran_vec (); |
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1266 } |
2572 | 1267 |
1268 if (! discard) | |
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1269 { |
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1270 conversion_count++; |
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1271 data[idx++] = *(valptr); |
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1272 } |
2572 | 1273 } |
1274 } | |
1275 | |
1276 template void | |
3878 | 1277 do_scanf_conv (std::istream&, const scanf_format_elt&, int*, |
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1278 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1279 |
3233 | 1280 template void |
3636 | 1281 do_scanf_conv (std::istream&, const scanf_format_elt&, long int*, |
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1282 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1283 |
1284 template void | |
3636 | 1285 do_scanf_conv (std::istream&, const scanf_format_elt&, short int*, |
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1286 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1287 |
3878 | 1288 template void |
1289 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned int*, | |
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1290 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1291 |
1292 template void | |
1293 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned long int*, | |
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1294 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1295 |
1296 template void | |
1297 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned short int*, | |
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1298 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1299 |
2600 | 1300 #if 0 |
2572 | 1301 template void |
3636 | 1302 do_scanf_conv (std::istream&, const scanf_format_elt&, float*, |
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1303 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2600 | 1304 #endif |
2572 | 1305 |
1306 template void | |
3636 | 1307 do_scanf_conv (std::istream&, const scanf_format_elt&, double*, |
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1308 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1309 |
3483 | 1310 #define DO_WHITESPACE_CONVERSION() \ |
1311 do \ | |
1312 { \ | |
1313 int c = EOF; \ | |
1314 \ | |
1315 while (is && (c = is.get ()) != EOF && isspace (c)) \ | |
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1316 /* skip whitespace */; \ |
3483 | 1317 \ |
1318 if (c != EOF) \ | |
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1319 is.putback (c); \ |
3483 | 1320 } \ |
1321 while (0) | |
1322 | |
1323 #define DO_LITERAL_CONVERSION() \ | |
1324 do \ | |
1325 { \ | |
1326 int c = EOF; \ | |
1327 \ | |
1328 int n = strlen (fmt); \ | |
1329 int i = 0; \ | |
1330 \ | |
1331 while (i < n && is && (c = is.get ()) != EOF) \ | |
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1332 { \ |
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1333 if (c == static_cast<unsigned char> (fmt[i])) \ |
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1334 { \ |
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1335 i++; \ |
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1336 continue; \ |
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1337 } \ |
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1338 else \ |
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1339 { \ |
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1340 is.putback (c); \ |
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1341 break; \ |
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1342 } \ |
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1343 } \ |
3483 | 1344 \ |
1345 if (i != n) \ | |
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1346 is.setstate (std::ios::failbit); \ |
3483 | 1347 } \ |
1348 while (0) | |
1349 | |
3640 | 1350 #define DO_PCT_CONVERSION() \ |
1351 do \ | |
1352 { \ | |
1353 int c = is.get (); \ | |
1354 \ | |
1355 if (c != EOF) \ | |
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1356 { \ |
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1357 if (c != '%') \ |
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1358 { \ |
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1359 is.putback (c); \ |
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1360 is.setstate (std::ios::failbit); \ |
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1361 } \ |
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1362 } \ |
3640 | 1363 else \ |
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1364 is.setstate (std::ios::failbit); \ |
3640 | 1365 } \ |
1366 while (0) | |
1367 | |
3483 | 1368 #define BEGIN_C_CONVERSION() \ |
3538 | 1369 is.unsetf (std::ios::skipws); \ |
3483 | 1370 \ |
1371 int width = elt->width ? elt->width : 1; \ | |
1372 \ | |
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1373 std::string tmp (width, '\0'); \ |
3483 | 1374 \ |
1375 int c = EOF; \ | |
1376 int n = 0; \ | |
1377 \ | |
1378 while (is && n < width && (c = is.get ()) != EOF) \ | |
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1379 tmp[n++] = static_cast<char> (c); \ |
3483 | 1380 \ |
5266 | 1381 if (n > 0 && c == EOF) \ |
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1382 is.clear () |
3483 | 1383 |
1384 // For a `%s' format, skip initial whitespace and then read until the | |
5338 | 1385 // next whitespace character or until WIDTH characters have been read. |
3483 | 1386 #define BEGIN_S_CONVERSION() \ |
1387 int width = elt->width; \ | |
1388 \ | |
4051 | 1389 std::string tmp; \ |
3483 | 1390 \ |
1391 do \ | |
1392 { \ | |
1393 if (width) \ | |
5338 | 1394 { \ |
10076 | 1395 tmp = std::string (width, '\0'); \ |
5338 | 1396 \ |
1397 int c = EOF; \ | |
1398 \ | |
1399 int n = 0; \ | |
1400 \ | |
1401 while (is && (c = is.get ()) != EOF) \ | |
1402 { \ | |
1403 if (! isspace (c)) \ | |
1404 { \ | |
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1405 tmp[n++] = static_cast<char> (c); \ |
5338 | 1406 break; \ |
1407 } \ | |
1408 } \ | |
4051 | 1409 \ |
5338 | 1410 while (is && n < width && (c = is.get ()) != EOF) \ |
1411 { \ | |
1412 if (isspace (c)) \ | |
1413 { \ | |
1414 is.putback (c); \ | |
1415 break; \ | |
1416 } \ | |
1417 else \ | |
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1418 tmp[n++] = static_cast<char> (c); \ |
5338 | 1419 } \ |
3483 | 1420 \ |
5338 | 1421 if (n > 0 && c == EOF) \ |
1422 is.clear (); \ | |
1423 \ | |
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1424 tmp.resize (n); \ |
5338 | 1425 } \ |
3483 | 1426 else \ |
5338 | 1427 { \ |
1428 is >> std::ws >> tmp; \ | |
1429 } \ | |
3483 | 1430 } \ |
1431 while (0) | |
1432 | |
1433 // This format must match a nonempty sequence of characters. | |
1434 #define BEGIN_CHAR_CLASS_CONVERSION() \ | |
1435 int width = elt->width; \ | |
1436 \ | |
4051 | 1437 std::string tmp; \ |
3483 | 1438 \ |
1439 do \ | |
1440 { \ | |
7426 | 1441 if (! width) \ |
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1442 width = INT_MAX; \ |
7427 | 1443 \ |
7426 | 1444 std::ostringstream buf; \ |
1445 \ | |
1446 std::string char_class = elt->char_class; \ | |
4051 | 1447 \ |
7426 | 1448 int c = EOF; \ |
3483 | 1449 \ |
7426 | 1450 if (elt->type == '[') \ |
1451 { \ | |
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1452 int chars_read = 0; \ |
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1453 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1454 && char_class.find (c) != std::string::npos) \ |
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1455 buf << static_cast<char> (c); \ |
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|
1456 } \ |
3483 | 1457 else \ |
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1458 { \ |
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|
1459 int chars_read = 0; \ |
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1460 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1461 && char_class.find (c) == std::string::npos) \ |
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1462 buf << static_cast<char> (c); \ |
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1463 } \ |
3483 | 1464 \ |
7426 | 1465 if (width == INT_MAX && c != EOF) \ |
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1466 is.putback (c); \ |
3483 | 1467 \ |
7426 | 1468 tmp = buf.str (); \ |
3483 | 1469 \ |
7426 | 1470 if (tmp.empty ()) \ |
1471 is.setstate (std::ios::failbit); \ | |
10969
da355a1a6d44
fix scanf char class conversion bug
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|
1472 else if (c == EOF) \ |
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fix scanf char class conversion bug
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|
1473 is.clear (); \ |
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fix scanf char class conversion bug
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|
1474 \ |
3483 | 1475 } \ |
1476 while (0) | |
1477 | |
3410 | 1478 #define FINISH_CHARACTER_CONVERSION() \ |
1479 do \ | |
1480 { \ | |
4051 | 1481 width = tmp.length (); \ |
3410 | 1482 \ |
1483 if (is) \ | |
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1484 { \ |
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1485 int i = 0; \ |
3410 | 1486 \ |
10315
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|
1487 if (! discard) \ |
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|
1488 { \ |
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1489 conversion_count++; \ |
3410 | 1490 \ |
10315
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1491 while (i < width) \ |
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1492 { \ |
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1493 if (data_index == max_size) \ |
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1494 { \ |
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1495 max_size *= 2; \ |
3410 | 1496 \ |
10315
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1497 if (all_char_conv) \ |
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1498 { \ |
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1499 if (one_elt_size_spec) \ |
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1500 mval.resize (1, max_size, 0.0); \ |
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1501 else if (nr > 0) \ |
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1502 mval.resize (nr, max_size / nr, 0.0); \ |
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1503 else \ |
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|
1504 panic_impossible (); \ |
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|
1505 } \ |
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1506 else if (nr > 0) \ |
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1507 mval.resize (nr, max_size / nr, 0.0); \ |
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1508 else \ |
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1509 mval.resize (max_size, 1, 0.0); \ |
3410 | 1510 \ |
10315
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1511 data = mval.fortran_vec (); \ |
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1512 } \ |
3410 | 1513 \ |
10315
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1514 data[data_index++] = tmp[i++]; \ |
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1515 } \ |
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1516 } \ |
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|
1517 } \ |
3410 | 1518 } \ |
1519 while (0) | |
2117 | 1520 |
1521 octave_value | |
1522 octave_base_stream::do_scanf (scanf_format_list& fmt_list, | |
10315
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1523 octave_idx_type nr, octave_idx_type nc, bool one_elt_size_spec, |
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1524 octave_idx_type& conversion_count, const std::string& who) |
2117 | 1525 { |
8773
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disallow reading from stdin while running interactively
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|
1526 octave_value retval = Matrix (); |
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|
1527 |
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|
1528 if ((interactive || forced_interactive) && file_number () == 0) |
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|
1529 { |
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1530 ::error ("%s: unable to read from stdin while running interactively", |
10315
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1531 who.c_str ()); |
11586
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strip trailing whitespace from source files
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|
1532 |
8773
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|
1533 return retval; |
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|
1534 } |
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|
1535 |
3268 | 1536 conversion_count = 0; |
1537 | |
10187
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1538 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 1539 |
5275 | 1540 octave_idx_type data_index = 0; |
2121 | 1541 |
3268 | 1542 if (nr == 0 || nc == 0) |
1543 { | |
1544 if (one_elt_size_spec) | |
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|
1545 nc = 0; |
3268 | 1546 |
1547 return Matrix (nr, nc, 0.0); | |
1548 } | |
1549 | |
3523 | 1550 std::istream *isp = input_stream (); |
2117 | 1551 |
1552 bool all_char_conv = fmt_list.all_character_conversions (); | |
1553 | |
1554 Matrix mval; | |
1555 double *data = 0; | |
5275 | 1556 octave_idx_type max_size = 0; |
1557 octave_idx_type max_conv = 0; | |
1558 | |
1559 octave_idx_type final_nr = 0; | |
1560 octave_idx_type final_nc = 0; | |
2117 | 1561 |
3268 | 1562 if (all_char_conv) |
1563 { | |
4420 | 1564 // Any of these could be resized later (if we have %s |
1565 // conversions, we may read more than one element for each | |
1566 // conversion). | |
1567 | |
3268 | 1568 if (one_elt_size_spec) |
10315
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|
1569 { |
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|
1570 max_size = 512; |
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|
1571 mval.resize (1, max_size, 0.0); |
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|
1572 |
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|
1573 if (nr > 0) |
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|
1574 max_conv = nr; |
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1575 } |
4420 | 1576 else if (nr > 0) |
10315
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|
1577 { |
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|
1578 if (nc > 0) |
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|
1579 { |
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1580 mval.resize (nr, nc, 0.0); |
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1581 max_size = max_conv = nr * nc; |
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|
1582 } |
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|
1583 else |
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|
1584 { |
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|
1585 mval.resize (nr, 32, 0.0); |
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1586 max_size = nr * 32; |
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|
1587 } |
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|
1588 } |
4420 | 1589 else |
10315
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|
1590 panic_impossible (); |
3268 | 1591 } |
1592 else if (nr > 0) | |
2117 | 1593 { |
1594 if (nc > 0) | |
10315
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|
1595 { |
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|
1596 // Will not resize later. |
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|
1597 mval.resize (nr, nc, 0.0); |
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1598 max_size = nr * nc; |
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|
1599 max_conv = max_size; |
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1600 } |
2117 | 1601 else |
10315
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|
1602 { |
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|
1603 // Maybe resize later. |
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1604 mval.resize (nr, 32, 0.0); |
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1605 max_size = nr * 32; |
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1606 } |
2117 | 1607 } |
1608 else | |
1609 { | |
4420 | 1610 // Maybe resize later. |
2117 | 1611 mval.resize (32, 1, 0.0); |
1612 max_size = 32; | |
1613 } | |
1614 | |
4420 | 1615 data = mval.fortran_vec (); |
1616 | |
2117 | 1617 if (isp) |
1618 { | |
3523 | 1619 std::istream& is = *isp; |
2117 | 1620 |
1621 const scanf_format_elt *elt = fmt_list.first (); | |
1622 | |
3538 | 1623 std::ios::fmtflags flags = is.flags (); |
2213 | 1624 |
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1625 octave_idx_type trips = 0; |
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1626 |
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1627 octave_idx_type num_fmt_elts = fmt_list.length (); |
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1628 |
2117 | 1629 for (;;) |
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1630 { |
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|
1631 octave_quit (); |
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|
1632 |
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1633 if (elt) |
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|
1634 { |
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1635 if (! (elt->type == scanf_format_elt::whitespace_conversion |
10187
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1636 || elt->type == scanf_format_elt::literal_conversion |
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1637 || elt->type == '%') |
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1638 && max_conv > 0 && conversion_count == max_conv) |
10315
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1639 { |
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1640 if (all_char_conv && one_elt_size_spec) |
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|
1641 { |
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|
1642 final_nr = 1; |
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|
1643 final_nc = data_index; |
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|
1644 } |
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|
1645 else |
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|
1646 { |
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|
1647 final_nr = nr; |
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1648 final_nc = (data_index - 1) / nr + 1; |
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10293
diff
changeset
|
1649 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1650 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1651 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1652 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1653 else if (data_index == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1654 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1655 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1656 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1657 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1658 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1659 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1660 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1661 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1662 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1663 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1664 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1665 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1666 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1667 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1668 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1669 mval.resize (max_size, 1, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1670 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1671 data = mval.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1672 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1673 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1674 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1675 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1676 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1677 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1678 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1679 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1680 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1681 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1682 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1683 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1684 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1685 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1686 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1687 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1688 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1689 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1690 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1691 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1692 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1693 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1694 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1695 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1696 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1697 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1698 short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1699 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1700 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1701 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1702 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1703 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1704 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1705 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1706 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1707 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1708 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1709 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1710 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1711 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1712 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1713 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1714 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1715 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1716 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1717 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1718 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1719 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1720 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1721 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1722 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1723 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1724 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1725 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1726 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1727 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1728 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1729 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1730 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1731 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1732 unsigned short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1733 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1734 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1735 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1736 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1737 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1738 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1739 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1740 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1741 unsigned long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1742 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1743 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1744 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1745 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1746 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1747 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1748 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1749 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1750 unsigned int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1751 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1752 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1753 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1754 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1755 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1756 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1757 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1758 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1759 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1760 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1761 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1762 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1763 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1764 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1765 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1766 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1767 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1768 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1769 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1770 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1771 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1772 BEGIN_C_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1773 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1774 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1775 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1776 is.setf (flags); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1777 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1778 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1779 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1780 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1781 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1782 BEGIN_S_CONVERSION (); |
57a59eae83cc
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diff
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|
1783 |
57a59eae83cc
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diff
changeset
|
1784 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
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10293
diff
changeset
|
1785 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1786 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1787 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1788 case '[': case '^': |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1789 { |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1790 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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diff
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|
1791 |
57a59eae83cc
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diff
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|
1792 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1793 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1794 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1795 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1796 case 'p': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1797 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1798 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1799 |
57a59eae83cc
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diff
changeset
|
1800 default: |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1801 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1802 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1803 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1804 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1805 if (! ok ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1806 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1807 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1808 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1809 else if (! is) |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1810 { |
57a59eae83cc
untabify src C++ source files
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diff
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|
1811 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1812 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1813 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
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10293
diff
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|
1814 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1815 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1816 final_nc = data_index; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1817 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1818 else if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1819 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1820 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
1821 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
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diff
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|
1822 } |
57a59eae83cc
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parents:
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diff
changeset
|
1823 else |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1824 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1825 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1826 final_nc = 1; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1827 } |
57a59eae83cc
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diff
changeset
|
1828 } |
57a59eae83cc
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diff
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|
1829 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
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diff
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|
1830 { |
57a59eae83cc
untabify src C++ source files
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diff
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|
1831 if (data_index > nr) |
57a59eae83cc
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diff
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|
1832 { |
57a59eae83cc
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diff
changeset
|
1833 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1834 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
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|
1835 } |
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untabify src C++ source files
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diff
changeset
|
1836 else |
57a59eae83cc
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parents:
10293
diff
changeset
|
1837 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1838 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1839 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1840 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1841 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1842 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1843 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
1844 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1845 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1846 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1847 |
57a59eae83cc
untabify src C++ source files
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changeset
|
1848 // If it looks like we have a matching failure, then |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1849 // reset the failbit in the stream state. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1850 |
57a59eae83cc
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10293
diff
changeset
|
1851 if (is.rdstate () & std::ios::failbit) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1852 is.clear (is.rdstate () & (~std::ios::failbit)); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1853 |
57a59eae83cc
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diff
changeset
|
1854 // FIXME -- is this the right thing to do? |
57a59eae83cc
untabify src C++ source files
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changeset
|
1855 |
57a59eae83cc
untabify src C++ source files
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changeset
|
1856 if (interactive && name () == "stdin") |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1857 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
1858 is.clear (); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1859 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1860 // Skip to end of line. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1861 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1862 bool err; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1863 do_gets (-1, err, false, who); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1864 } |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1865 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1866 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1867 } |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1868 } |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1869 else |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1870 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1871 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1872 break; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1873 } |
2117 | 1874 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1875 if (nconv == 0 && ++trips == num_fmt_elts) |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1876 { |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
1877 if (all_char_conv && one_elt_size_spec) |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1878 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1879 final_nr = 1; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1880 final_nc = data_index; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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10160
diff
changeset
|
1881 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1882 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1883 { |
a44d15813a39
don't skip literal text elements in scanf formats
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diff
changeset
|
1884 final_nr = nr; |
a44d15813a39
don't skip literal text elements in scanf formats
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10160
diff
changeset
|
1885 final_nc = (data_index - 1) / nr + 1; |
a44d15813a39
don't skip literal text elements in scanf formats
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10160
diff
changeset
|
1886 } |
a44d15813a39
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parents:
10160
diff
changeset
|
1887 |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
1888 break; |
a44d15813a39
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parents:
10160
diff
changeset
|
1889 } |
a44d15813a39
don't skip literal text elements in scanf formats
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parents:
10160
diff
changeset
|
1890 else |
a44d15813a39
don't skip literal text elements in scanf formats
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10160
diff
changeset
|
1891 elt = fmt_list.next (nconv > 0); |
10315
57a59eae83cc
untabify src C++ source files
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|
1892 } |
2117 | 1893 } |
1894 | |
1895 if (ok ()) | |
1896 { | |
2121 | 1897 mval.resize (final_nr, final_nc, 0.0); |
2117 | 1898 |
3268 | 1899 retval = mval; |
1900 | |
2117 | 1901 if (all_char_conv) |
10315
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|
1902 retval = retval.convert_to_str (false, true); |
2117 | 1903 } |
1904 | |
1905 return retval; | |
1906 } | |
1907 | |
1908 octave_value | |
3810 | 1909 octave_base_stream::scanf (const std::string& fmt, const Array<double>& size, |
10315
57a59eae83cc
untabify src C++ source files
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|
1910 octave_idx_type& conversion_count, const std::string& who) |
2117 | 1911 { |
1912 octave_value retval = Matrix (); | |
1913 | |
3559 | 1914 conversion_count = 0; |
2117 | 1915 |
3523 | 1916 std::istream *isp = input_stream (); |
2117 | 1917 |
1918 if (isp) | |
1919 { | |
1920 scanf_format_list fmt_list (fmt); | |
1921 | |
3640 | 1922 if (fmt_list.num_conversions () == -1) |
10315
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1923 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 1924 else |
10315
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|
1925 { |
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changeset
|
1926 octave_idx_type nr = -1; |
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untabify src C++ source files
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|
1927 octave_idx_type nc = -1; |
57a59eae83cc
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|
1928 |
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|
1929 bool one_elt_size_spec; |
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|
1930 |
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|
1931 get_size (size, nr, nc, one_elt_size_spec, who); |
57a59eae83cc
untabify src C++ source files
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|
1932 |
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1933 if (! error_state) |
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1934 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec, |
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1935 conversion_count, who); |
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1936 } |
2215 | 1937 } |
1938 else | |
4468 | 1939 invalid_operation (who, "reading"); |
2572 | 1940 |
1941 return retval; | |
1942 } | |
1943 | |
2712 | 1944 bool |
1945 octave_base_stream::do_oscanf (const scanf_format_elt *elt, | |
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1946 octave_value& retval, const std::string& who) |
2572 | 1947 { |
2712 | 1948 bool quit = false; |
2215 | 1949 |
3523 | 1950 std::istream *isp = input_stream (); |
2215 | 1951 |
1952 if (isp) | |
1953 { | |
3523 | 1954 std::istream& is = *isp; |
2215 | 1955 |
3538 | 1956 std::ios::fmtflags flags = is.flags (); |
2215 | 1957 |
1958 if (elt) | |
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1959 { |
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1960 const char *fmt = elt->text; |
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1961 |
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1962 bool discard = elt->discard; |
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1963 |
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1964 switch (elt->type) |
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1965 { |
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1966 case scanf_format_elt::whitespace_conversion: |
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1967 DO_WHITESPACE_CONVERSION (); |
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1968 break; |
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1969 |
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1970 case scanf_format_elt::literal_conversion: |
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1971 DO_LITERAL_CONVERSION (); |
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1972 break; |
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1973 |
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1974 case '%': |
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1975 { |
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1976 DO_PCT_CONVERSION (); |
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1977 |
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1978 if (! is) |
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1979 quit = true; |
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1980 |
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1981 } |
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1982 break; |
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1983 |
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1984 case 'd': case 'i': |
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1985 { |
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1986 int tmp; |
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1987 |
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1988 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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1989 { |
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1990 if (! discard) |
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1991 retval = tmp; |
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1992 } |
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1993 else |
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1994 quit = true; |
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1995 } |
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1996 break; |
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1997 |
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1998 case 'o': case 'u': case 'x': |
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1999 { |
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2000 long int tmp; |
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2001 |
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2002 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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2003 { |
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2004 if (! discard) |
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2005 retval = tmp; |
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|
2006 } |
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2007 else |
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2008 quit = true; |
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|
2009 } |
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|
2010 break; |
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2011 |
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2012 case 'e': case 'f': case 'g': |
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2013 { |
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2014 double tmp; |
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|
2015 |
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2016 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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2017 { |
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|
2018 if (! discard) |
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2019 retval = tmp; |
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|
2020 } |
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2021 else |
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2022 quit = true; |
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|
2023 } |
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|
2024 break; |
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|
2025 |
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2026 case 'c': |
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2027 { |
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2028 BEGIN_C_CONVERSION (); |
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2029 |
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2030 if (! discard) |
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|
2031 retval = tmp; |
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|
2032 |
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|
2033 if (! is) |
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|
2034 quit = true; |
57a59eae83cc
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|
2035 |
57a59eae83cc
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2036 is.setf (flags); |
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|
2037 } |
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|
2038 break; |
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|
2039 |
57a59eae83cc
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|
2040 case 's': |
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2041 { |
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2042 BEGIN_S_CONVERSION (); |
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2043 |
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|
2044 if (! discard) |
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|
2045 retval = tmp; |
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|
2046 |
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|
2047 if (! is) |
57a59eae83cc
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|
2048 quit = true; |
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|
2049 } |
57a59eae83cc
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changeset
|
2050 break; |
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|
2051 |
57a59eae83cc
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|
2052 case '[': case '^': |
57a59eae83cc
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|
2053 { |
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|
2054 BEGIN_CHAR_CLASS_CONVERSION (); |
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|
2055 |
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|
2056 if (! discard) |
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|
2057 retval = tmp; |
57a59eae83cc
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|
2058 |
57a59eae83cc
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|
2059 if (! is) |
57a59eae83cc
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changeset
|
2060 quit = true; |
57a59eae83cc
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changeset
|
2061 } |
57a59eae83cc
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changeset
|
2062 break; |
57a59eae83cc
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|
2063 |
57a59eae83cc
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|
2064 case 'p': |
57a59eae83cc
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|
2065 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
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changeset
|
2066 break; |
57a59eae83cc
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changeset
|
2067 |
57a59eae83cc
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changeset
|
2068 default: |
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|
2069 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
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changeset
|
2070 break; |
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changeset
|
2071 } |
57a59eae83cc
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|
2072 } |
2215 | 2073 |
2074 if (ok () && is.fail ()) | |
10315
57a59eae83cc
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|
2075 { |
57a59eae83cc
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|
2076 error ("%s: read error", who.c_str ()); |
57a59eae83cc
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changeset
|
2077 |
57a59eae83cc
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|
2078 // FIXME -- is this the right thing to do? |
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|
2079 |
57a59eae83cc
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|
2080 if (interactive && name () == "stdin") |
57a59eae83cc
untabify src C++ source files
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changeset
|
2081 { |
57a59eae83cc
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|
2082 // Skip to end of line. |
57a59eae83cc
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|
2083 |
57a59eae83cc
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|
2084 bool err; |
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2085 do_gets (-1, err, false, who); |
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2086 } |
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|
2087 } |
2215 | 2088 } |
2089 | |
2712 | 2090 return quit; |
2215 | 2091 } |
2092 | |
2093 octave_value_list | |
4468 | 2094 octave_base_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 2095 { |
2096 octave_value_list retval; | |
2097 | |
3523 | 2098 std::istream *isp = input_stream (); |
2215 | 2099 |
2100 if (isp) | |
2101 { | |
3523 | 2102 std::istream& is = *isp; |
2215 | 2103 |
2104 scanf_format_list fmt_list (fmt); | |
2105 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
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2106 octave_idx_type nconv = fmt_list.num_conversions (); |
2215 | 2107 |
3640 | 2108 if (nconv == -1) |
10315
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2109 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2110 else |
10315
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|
2111 { |
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|
2112 is.clear (); |
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2113 |
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2114 octave_idx_type len = fmt_list.length (); |
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2115 |
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2116 retval.resize (nconv+1, Matrix ()); |
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2117 |
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2118 const scanf_format_elt *elt = fmt_list.first (); |
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2119 |
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2120 int num_values = 0; |
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2121 |
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|
2122 bool quit = false; |
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2123 |
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2124 for (octave_idx_type i = 0; i < len; i++) |
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|
2125 { |
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|
2126 octave_value tmp; |
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|
2127 |
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2128 quit = do_oscanf (elt, tmp, who); |
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|
2129 |
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|
2130 if (quit) |
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|
2131 break; |
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|
2132 else |
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|
2133 { |
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|
2134 if (tmp.is_defined ()) |
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2135 retval (num_values++) = tmp; |
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|
2136 |
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|
2137 if (! ok ()) |
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diff
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|
2138 break; |
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diff
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|
2139 |
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|
2140 elt = fmt_list.next (nconv > 0); |
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|
2141 } |
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|
2142 } |
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|
2143 |
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2144 retval(nconv) = num_values; |
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|
2145 |
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|
2146 if (! quit) |
57a59eae83cc
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|
2147 { |
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|
2148 // Pick up any trailing stuff. |
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|
2149 if (ok () && len > nconv) |
57a59eae83cc
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|
2150 { |
57a59eae83cc
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diff
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|
2151 octave_value tmp; |
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|
2152 |
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|
2153 elt = fmt_list.next (); |
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|
2154 |
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|
2155 do_oscanf (elt, tmp, who); |
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|
2156 } |
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|
2157 } |
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|
2158 } |
2117 | 2159 } |
2160 else | |
4468 | 2161 invalid_operation (who, "reading"); |
2117 | 2162 |
2163 return retval; | |
2164 } | |
2165 | |
2166 // Functions that are defined for all output streams (output streams | |
2167 // are those that define os). | |
2168 | |
2169 int | |
2170 octave_base_stream::flush (void) | |
2171 { | |
2172 int retval = -1; | |
2173 | |
3523 | 2174 std::ostream *os = output_stream (); |
2117 | 2175 |
2176 if (os) | |
2177 { | |
2178 os->flush (); | |
2179 | |
2180 if (os->good ()) | |
10315
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2181 retval = 0; |
2117 | 2182 } |
2183 else | |
2184 invalid_operation ("fflush", "writing"); | |
2185 | |
2186 return retval; | |
2187 } | |
2188 | |
2189 class | |
2190 printf_value_cache | |
2191 { | |
2192 public: | |
2193 | |
3653 | 2194 enum state { ok, conversion_error }; |
2117 | 2195 |
7352 | 2196 printf_value_cache (const octave_value_list& args, const std::string& who) |
2117 | 2197 : values (args), val_idx (0), elt_idx (0), |
2198 n_vals (values.length ()), n_elts (0), data (0), | |
7352 | 2199 curr_state (ok) |
2200 { | |
2201 for (octave_idx_type i = 0; i < values.length (); i++) | |
2202 { | |
10315
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2203 octave_value val = values(i); |
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2204 |
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2205 if (val.is_map () || val.is_cell () || val.is_object ()) |
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|
2206 { |
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2207 gripe_wrong_type_arg (who, val); |
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untabify src C++ source files
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|
2208 break; |
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diff
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|
2209 } |
7352 | 2210 } |
2211 } | |
2117 | 2212 |
2213 ~printf_value_cache (void) { } | |
2214 | |
2215 // Get the current value as a double and advance the internal pointer. | |
2216 double double_value (void); | |
2217 | |
2218 // Get the current value as an int and advance the internal pointer. | |
2219 int int_value (void); | |
2220 | |
2221 // Get the current value as a string and advance the internal pointer. | |
3523 | 2222 std::string string_value (void); |
2117 | 2223 |
3145 | 2224 operator bool () const { return (curr_state == ok); } |
2117 | 2225 |
3653 | 2226 bool exhausted (void) { return (val_idx >= n_vals); } |
2117 | 2227 |
2228 private: | |
2229 | |
2230 const octave_value_list values; | |
2231 int val_idx; | |
2232 int elt_idx; | |
2233 int n_vals; | |
2234 int n_elts; | |
2235 const double *data; | |
4874 | 2236 NDArray curr_val; |
2117 | 2237 state curr_state; |
2238 | |
2239 // Must create value cache with values! | |
2240 | |
2241 printf_value_cache (void); | |
2242 | |
2243 // No copying! | |
2244 | |
2245 printf_value_cache (const printf_value_cache&); | |
2246 | |
2247 printf_value_cache& operator = (const printf_value_cache&); | |
2248 }; | |
2249 | |
2250 double | |
2251 printf_value_cache::double_value (void) | |
2252 { | |
2253 double retval = 0.0; | |
2254 | |
3711 | 2255 if (exhausted ()) |
2256 curr_state = conversion_error; | |
2257 | |
2258 while (! exhausted ()) | |
2117 | 2259 { |
2260 if (! data) | |
10315
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|
2261 { |
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|
2262 octave_value tmp_val = values (val_idx); |
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|
2263 |
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|
2264 // Force string conversion here for compatibility. |
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|
2265 |
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|
2266 curr_val = tmp_val.array_value (true); |
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|
2267 |
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|
2268 if (! error_state) |
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|
2269 { |
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|
2270 elt_idx = 0; |
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|
2271 n_elts = curr_val.length (); |
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|
2272 data = curr_val.data (); |
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|
2273 } |
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|
2274 else |
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|
2275 { |
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|
2276 curr_state = conversion_error; |
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|
2277 break; |
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|
2278 } |
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|
2279 } |
2117 | 2280 |
2281 if (elt_idx < n_elts) | |
10315
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|
2282 { |
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|
2283 retval = data[elt_idx++]; |
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|
2284 |
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|
2285 if (elt_idx >= n_elts) |
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|
2286 { |
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|
2287 elt_idx = 0; |
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|
2288 val_idx++; |
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|
2289 data = 0; |
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|
2290 } |
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|
2291 |
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|
2292 break; |
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|
2293 } |
2117 | 2294 else |
10315
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|
2295 { |
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|
2296 val_idx++; |
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changeset
|
2297 data = 0; |
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|
2298 |
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2299 if (n_elts == 0 && exhausted ()) |
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2300 curr_state = conversion_error; |
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|
2301 |
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|
2302 continue; |
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|
2303 } |
2117 | 2304 } |
2305 | |
2306 return retval; | |
2307 } | |
2308 | |
2309 int | |
2310 printf_value_cache::int_value (void) | |
2311 { | |
2312 int retval = 0; | |
2313 | |
2314 double dval = double_value (); | |
2315 | |
2316 if (! error_state) | |
2317 { | |
2318 if (D_NINT (dval) == dval) | |
10315
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2319 retval = NINT (dval); |
2117 | 2320 else |
10315
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|
2321 curr_state = conversion_error; |
2117 | 2322 } |
2323 | |
2324 return retval; | |
2325 } | |
2326 | |
3536 | 2327 std::string |
2117 | 2328 printf_value_cache::string_value (void) |
2329 { | |
3523 | 2330 std::string retval; |
2117 | 2331 |
4425 | 2332 if (exhausted ()) |
2333 curr_state = conversion_error; | |
4257 | 2334 else |
2117 | 2335 { |
4425 | 2336 octave_value tval = values (val_idx++); |
2337 | |
2338 if (tval.rows () == 1) | |
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|
2339 retval = tval.string_value (); |
4425 | 2340 else |
10315
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|
2341 { |
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|
2342 // In the name of Matlab compatibility. |
57a59eae83cc
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|
2343 |
57a59eae83cc
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2344 charMatrix chm = tval.char_matrix_value (); |
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|
2345 |
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2346 octave_idx_type nr = chm.rows (); |
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untabify src C++ source files
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|
2347 octave_idx_type nc = chm.columns (); |
57a59eae83cc
untabify src C++ source files
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|
2348 |
57a59eae83cc
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diff
changeset
|
2349 int k = 0; |
57a59eae83cc
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|
2350 |
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|
2351 retval.resize (nr * nc, '\0'); |
57a59eae83cc
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|
2352 |
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diff
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|
2353 for (octave_idx_type j = 0; j < nc; j++) |
57a59eae83cc
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|
2354 for (octave_idx_type i = 0; i < nr; i++) |
57a59eae83cc
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diff
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|
2355 retval[k++] = chm(i,j); |
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untabify src C++ source files
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diff
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|
2356 } |
4425 | 2357 |
2358 if (error_state) | |
10315
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2359 curr_state = conversion_error; |
2117 | 2360 } |
4257 | 2361 |
2117 | 2362 return retval; |
2363 } | |
2364 | |
2365 // Ugh again and again. | |
2366 | |
2572 | 2367 template <class T> |
3620 | 2368 int |
3523 | 2369 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1, |
10315
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|
2370 int sa_2, T arg, const std::string& who) |
2572 | 2371 { |
3620 | 2372 int retval = 0; |
2373 | |
2572 | 2374 switch (nsa) |
2375 { | |
2376 case 2: | |
3640 | 2377 retval = octave_format (os, fmt, sa_1, sa_2, arg); |
2572 | 2378 break; |
2379 | |
2380 case 1: | |
3640 | 2381 retval = octave_format (os, fmt, sa_1, arg); |
2572 | 2382 break; |
2383 | |
2384 case 0: | |
3640 | 2385 retval = octave_format (os, fmt, arg); |
2572 | 2386 break; |
2387 | |
2388 default: | |
4468 | 2389 ::error ("%s: internal error handling format", who.c_str ()); |
2572 | 2390 break; |
2391 } | |
3620 | 2392 |
2393 return retval; | |
2572 | 2394 } |
2395 | |
3620 | 2396 template int |
4468 | 2397 do_printf_conv (std::ostream&, const char*, int, int, int, int, |
10315
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|
2398 const std::string&); |
4468 | 2399 |
2400 template int | |
2401 do_printf_conv (std::ostream&, const char*, int, int, int, long, | |
10315
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|
2402 const std::string&); |
4468 | 2403 |
3878 | 2404 template int |
4468 | 2405 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned int, |
10315
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|
2406 const std::string&); |
4468 | 2407 |
2408 template int | |
2409 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned long, | |
10315
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|
2410 const std::string&); |
4468 | 2411 |
2412 template int | |
2413 do_printf_conv (std::ostream&, const char*, int, int, int, double, | |
10315
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diff
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|
2414 const std::string&); |
4468 | 2415 |
2416 template int | |
2417 do_printf_conv (std::ostream&, const char*, int, int, int, const char*, | |
10315
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diff
changeset
|
2418 const std::string&); |
2117 | 2419 |
6492 | 2420 #define DO_DOUBLE_CONV(TQUAL) \ |
2421 do \ | |
2422 { \ | |
7199 | 2423 if (val > std::numeric_limits<TQUAL long>::max () \ |
10315
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|
2424 || val < std::numeric_limits<TQUAL long>::min ()) \ |
57a59eae83cc
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|
2425 { \ |
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changeset
|
2426 std::string tfmt = fmt; \ |
6492 | 2427 \ |
10315
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changeset
|
2428 tfmt.replace (tfmt.rfind (elt->type), 1, ".f"); \ |
6492 | 2429 \ |
10315
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|
2430 if (elt->modifier == 'l') \ |
57a59eae83cc
untabify src C++ source files
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|
2431 tfmt.replace (tfmt.rfind (elt->modifier), 1, ""); \ |
7199 | 2432 \ |
10315
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|
2433 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, \ |
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|
2434 val, who); \ |
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|
2435 } \ |
6492 | 2436 else \ |
10315
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|
2437 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, \ |
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changeset
|
2438 static_cast<TQUAL long> (val), who); \ |
6492 | 2439 } \ |
2440 while (0) | |
2441 | |
2117 | 2442 int |
2443 octave_base_stream::do_printf (printf_format_list& fmt_list, | |
10315
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|
2444 const octave_value_list& args, |
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|
2445 const std::string& who) |
2117 | 2446 { |
3620 | 2447 int retval = 0; |
2117 | 2448 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2449 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 2450 |
3523 | 2451 std::ostream *osp = output_stream (); |
2117 | 2452 |
2453 if (osp) | |
2454 { | |
3523 | 2455 std::ostream& os = *osp; |
2117 | 2456 |
2457 const printf_format_elt *elt = fmt_list.first (); | |
2458 | |
7352 | 2459 printf_value_cache val_cache (args, who); |
2460 | |
2461 if (error_state) | |
10315
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untabify src C++ source files
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|
2462 return retval; |
2117 | 2463 |
2464 for (;;) | |
10315
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|
2465 { |
57a59eae83cc
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diff
changeset
|
2466 octave_quit (); |
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diff
changeset
|
2467 |
57a59eae83cc
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diff
changeset
|
2468 if (elt) |
57a59eae83cc
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diff
changeset
|
2469 { |
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|
2470 // NSA is the number of `star' args to convert. |
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|
2471 |
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diff
changeset
|
2472 int nsa = (elt->fw < 0) + (elt->prec < 0); |
57a59eae83cc
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|
2473 |
57a59eae83cc
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changeset
|
2474 int sa_1 = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2475 int sa_2 = 0; |
10315
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diff
changeset
|
2476 |
57a59eae83cc
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diff
changeset
|
2477 if (nsa > 0) |
57a59eae83cc
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diff
changeset
|
2478 { |
57a59eae83cc
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diff
changeset
|
2479 sa_1 = val_cache.int_value (); |
57a59eae83cc
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diff
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|
2480 |
57a59eae83cc
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diff
changeset
|
2481 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2482 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2483 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2484 { |
57a59eae83cc
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diff
changeset
|
2485 if (nsa > 1) |
57a59eae83cc
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diff
changeset
|
2486 { |
57a59eae83cc
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changeset
|
2487 sa_2 = val_cache.int_value (); |
57a59eae83cc
untabify src C++ source files
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|
2488 |
57a59eae83cc
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diff
changeset
|
2489 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2490 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2491 } |
57a59eae83cc
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diff
changeset
|
2492 } |
57a59eae83cc
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diff
changeset
|
2493 } |
57a59eae83cc
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diff
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|
2494 |
57a59eae83cc
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diff
changeset
|
2495 const char *fmt = elt->text; |
57a59eae83cc
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|
2496 |
57a59eae83cc
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changeset
|
2497 if (elt->type == '%') |
57a59eae83cc
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diff
changeset
|
2498 { |
57a59eae83cc
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diff
changeset
|
2499 os << "%"; |
57a59eae83cc
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changeset
|
2500 retval++; |
57a59eae83cc
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diff
changeset
|
2501 } |
57a59eae83cc
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|
2502 else if (elt->args == 0 && elt->text) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2503 { |
57a59eae83cc
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diff
changeset
|
2504 os << elt->text; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2505 retval += strlen (elt->text); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
2506 } |
10315
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untabify src C++ source files
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changeset
|
2507 else if (elt->type == 's') |
57a59eae83cc
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diff
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|
2508 { |
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changeset
|
2509 std::string val = val_cache.string_value (); |
57a59eae83cc
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|
2510 |
57a59eae83cc
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changeset
|
2511 if (val_cache) |
57a59eae83cc
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changeset
|
2512 retval += do_printf_conv (os, fmt, nsa, sa_1, |
57a59eae83cc
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|
2513 sa_2, val.c_str (), who); |
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changeset
|
2514 else |
57a59eae83cc
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diff
changeset
|
2515 break; |
57a59eae83cc
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diff
changeset
|
2516 } |
57a59eae83cc
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changeset
|
2517 else |
57a59eae83cc
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|
2518 { |
57a59eae83cc
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changeset
|
2519 double val = val_cache.double_value (); |
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|
2520 |
57a59eae83cc
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|
2521 if (val_cache) |
57a59eae83cc
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|
2522 { |
57a59eae83cc
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diff
changeset
|
2523 if (lo_ieee_isnan (val) || xisinf (val)) |
57a59eae83cc
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|
2524 { |
57a59eae83cc
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|
2525 std::string tfmt = fmt; |
57a59eae83cc
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changeset
|
2526 std::string::size_type i1, i2; |
57a59eae83cc
untabify src C++ source files
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changeset
|
2527 |
57a59eae83cc
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diff
changeset
|
2528 tfmt.replace ((i1 = tfmt.rfind (elt->type)), |
57a59eae83cc
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changeset
|
2529 1, 1, 's'); |
57a59eae83cc
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changeset
|
2530 |
57a59eae83cc
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changeset
|
2531 if ((i2 = tfmt.rfind ('.')) != std::string::npos && i2 < i1) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2532 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2533 tfmt.erase (i2, i1-i2); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2534 if (elt->prec < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2535 nsa--; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2536 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2537 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2538 const char *tval = xisinf (val) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2539 ? (val < 0 ? "-Inf" : "Inf") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2540 : (lo_ieee_is_NA (val) ? "NA" : "NaN"); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2541 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2542 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
|
2543 nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2544 tval, who); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2545 } |
57a59eae83cc
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diff
changeset
|
2546 else |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2547 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2548 char type = elt->type; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2549 |
57a59eae83cc
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diff
changeset
|
2550 switch (type) |
57a59eae83cc
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parents:
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diff
changeset
|
2551 { |
57a59eae83cc
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diff
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|
2552 case 'd': case 'i': case 'c': |
57a59eae83cc
untabify src C++ source files
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diff
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|
2553 DO_DOUBLE_CONV (OCTAVE_EMPTY_CPP_ARG); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2554 break; |
57a59eae83cc
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parents:
10293
diff
changeset
|
2555 |
57a59eae83cc
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diff
changeset
|
2556 case 'o': case 'x': case 'X': case 'u': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2557 DO_DOUBLE_CONV (unsigned); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2558 break; |
57a59eae83cc
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parents:
10293
diff
changeset
|
2559 |
57a59eae83cc
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diff
changeset
|
2560 case 'f': case 'e': case 'E': |
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untabify src C++ source files
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diff
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|
2561 case 'g': case 'G': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2562 retval |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2563 += do_printf_conv (os, fmt, nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2564 val, who); |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2565 break; |
57a59eae83cc
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10293
diff
changeset
|
2566 |
57a59eae83cc
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diff
changeset
|
2567 default: |
57a59eae83cc
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diff
changeset
|
2568 error ("%s: invalid format specifier", |
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untabify src C++ source files
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diff
changeset
|
2569 who.c_str ()); |
57a59eae83cc
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diff
changeset
|
2570 return -1; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2571 break; |
57a59eae83cc
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10293
diff
changeset
|
2572 } |
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diff
changeset
|
2573 } |
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diff
changeset
|
2574 } |
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diff
changeset
|
2575 else |
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untabify src C++ source files
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10293
diff
changeset
|
2576 break; |
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parents:
10293
diff
changeset
|
2577 } |
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diff
changeset
|
2578 |
57a59eae83cc
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10293
diff
changeset
|
2579 if (! os) |
57a59eae83cc
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parents:
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diff
changeset
|
2580 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2581 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2582 break; |
57a59eae83cc
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10293
diff
changeset
|
2583 } |
57a59eae83cc
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diff
changeset
|
2584 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2585 else |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2586 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2587 ::error ("%s: internal error handling format", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2588 retval = -1; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2589 break; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2590 } |
57a59eae83cc
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diff
changeset
|
2591 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2592 elt = fmt_list.next (nconv > 0 && ! val_cache.exhausted ()); |
57a59eae83cc
untabify src C++ source files
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|
2593 |
57a59eae83cc
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diff
changeset
|
2594 if (! elt || (val_cache.exhausted () && elt->args > 0)) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2595 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2596 } |
2117 | 2597 } |
3640 | 2598 else |
4468 | 2599 invalid_operation (who, "writing"); |
2117 | 2600 |
2601 return retval; | |
2602 } | |
2603 | |
2604 int | |
3640 | 2605 octave_base_stream::printf (const std::string& fmt, |
10315
57a59eae83cc
untabify src C++ source files
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|
2606 const octave_value_list& args, |
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untabify src C++ source files
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changeset
|
2607 const std::string& who) |
2117 | 2608 { |
3640 | 2609 int retval = 0; |
2610 | |
2611 printf_format_list fmt_list (fmt); | |
2612 | |
2613 if (fmt_list.num_conversions () == -1) | |
4468 | 2614 ::error ("%s: invalid format specified", who.c_str ()); |
2117 | 2615 else |
4468 | 2616 retval = do_printf (fmt_list, args, who); |
2117 | 2617 |
2618 return retval; | |
2619 } | |
2620 | |
2621 int | |
4468 | 2622 octave_base_stream::puts (const std::string& s, const std::string& who) |
2117 | 2623 { |
2624 int retval = -1; | |
2625 | |
3523 | 2626 std::ostream *osp = output_stream (); |
2117 | 2627 |
2628 if (osp) | |
2629 { | |
3523 | 2630 std::ostream& os = *osp; |
2117 | 2631 |
2632 os << s; | |
2633 | |
2634 if (os) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2635 { |
57a59eae83cc
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diff
changeset
|
2636 // FIXME -- why does this seem to be necessary? |
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untabify src C++ source files
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|
2637 // Without it, output from a loop like |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2638 // |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2639 // for i = 1:100, fputs (stdout, "foo\n"); endfor |
57a59eae83cc
untabify src C++ source files
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diff
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|
2640 // |
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diff
changeset
|
2641 // doesn't seem to go to the pager immediately. |
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diff
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|
2642 |
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diff
changeset
|
2643 os.flush (); |
57a59eae83cc
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diff
changeset
|
2644 |
57a59eae83cc
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diff
changeset
|
2645 if (os) |
57a59eae83cc
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diff
changeset
|
2646 retval = 0; |
57a59eae83cc
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diff
changeset
|
2647 else |
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diff
changeset
|
2648 error ("%s: write error", who.c_str ()); |
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|
2649 } |
2117 | 2650 else |
10315
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untabify src C++ source files
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changeset
|
2651 error ("%s: write error", who.c_str ()); |
2117 | 2652 } |
2653 else | |
4468 | 2654 invalid_operation (who, "writing"); |
2117 | 2655 |
2656 return retval; | |
2657 } | |
2658 | |
2659 // Return current error message for this stream. | |
2660 | |
3536 | 2661 std::string |
2435 | 2662 octave_base_stream::error (bool clear_err, int& err_num) |
2117 | 2663 { |
2435 | 2664 err_num = fail ? -1 : 0; |
2117 | 2665 |
3523 | 2666 std::string tmp = errmsg; |
2117 | 2667 |
2668 if (clear_err) | |
2669 clear (); | |
2670 | |
2671 return tmp; | |
2672 } | |
2673 | |
2674 void | |
4468 | 2675 octave_base_stream::invalid_operation (const std::string& who, const char *rw) |
2117 | 2676 { |
4468 | 2677 // Note that this is not ::error () ! |
2678 | |
6297 | 2679 error (who, std::string ("stream not open for ") + rw); |
2117 | 2680 } |
2681 | |
3552 | 2682 octave_stream::octave_stream (octave_base_stream *bs) |
3340 | 2683 : rep (bs) |
2684 { | |
2685 if (rep) | |
2686 rep->count = 1; | |
2687 } | |
2688 | |
2689 octave_stream::~octave_stream (void) | |
2690 { | |
2691 if (rep && --rep->count == 0) | |
2692 delete rep; | |
2693 } | |
2694 | |
2695 octave_stream::octave_stream (const octave_stream& s) | |
2696 : rep (s.rep) | |
2697 { | |
2698 if (rep) | |
2699 rep->count++; | |
2700 } | |
2701 | |
2702 octave_stream& | |
2703 octave_stream::operator = (const octave_stream& s) | |
2704 { | |
2705 if (rep != s.rep) | |
2706 { | |
2707 if (rep && --rep->count == 0) | |
10315
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|
2708 delete rep; |
3340 | 2709 |
2710 rep = s.rep; | |
2711 | |
2712 if (rep) | |
10315
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|
2713 rep->count++; |
3340 | 2714 } |
2715 | |
2716 return *this; | |
2717 } | |
2718 | |
2117 | 2719 int |
2720 octave_stream::flush (void) | |
2721 { | |
2722 int retval = -1; | |
2723 | |
5659 | 2724 if (stream_ok ()) |
2117 | 2725 retval = rep->flush (); |
2726 | |
2727 return retval; | |
2728 } | |
2729 | |
3536 | 2730 std::string |
5275 | 2731 octave_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2732 { |
3523 | 2733 std::string retval; |
2117 | 2734 |
5659 | 2735 if (stream_ok ()) |
4468 | 2736 retval = rep->getl (max_len, err, who); |
2117 | 2737 |
2738 return retval; | |
2739 } | |
2740 | |
3536 | 2741 std::string |
4468 | 2742 octave_stream::getl (const octave_value& tc_max_len, bool& err, |
10315
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|
2743 const std::string& who) |
2117 | 2744 { |
3523 | 2745 std::string retval; |
2117 | 2746 |
2747 err = false; | |
2748 | |
2749 int conv_err = 0; | |
2750 | |
6345 | 2751 int max_len = -1; |
2752 | |
2753 if (tc_max_len.is_defined ()) | |
2117 | 2754 { |
6345 | 2755 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2756 | |
2757 if (conv_err || max_len < 0) | |
10315
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|
2758 { |
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changeset
|
2759 err = true; |
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changeset
|
2760 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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|
2761 } |
2117 | 2762 } |
6345 | 2763 |
2764 if (! error_state) | |
4468 | 2765 retval = getl (max_len, err, who); |
2117 | 2766 |
2767 return retval; | |
2768 } | |
2769 | |
3536 | 2770 std::string |
5275 | 2771 octave_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2772 { |
3523 | 2773 std::string retval; |
2117 | 2774 |
5659 | 2775 if (stream_ok ()) |
4468 | 2776 retval = rep->gets (max_len, err, who); |
2117 | 2777 |
2778 return retval; | |
2779 } | |
2780 | |
3536 | 2781 std::string |
4468 | 2782 octave_stream::gets (const octave_value& tc_max_len, bool& err, |
10315
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|
2783 const std::string& who) |
2117 | 2784 { |
3523 | 2785 std::string retval; |
2117 | 2786 |
2787 err = false; | |
2788 | |
2789 int conv_err = 0; | |
2790 | |
6345 | 2791 int max_len = -1; |
2792 | |
2793 if (tc_max_len.is_defined ()) | |
2117 | 2794 { |
6345 | 2795 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2796 | |
2797 if (conv_err || max_len < 0) | |
10315
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|
2798 { |
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changeset
|
2799 err = true; |
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|
2800 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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changeset
|
2801 } |
2117 | 2802 } |
6345 | 2803 |
2804 if (! error_state) | |
4468 | 2805 retval = gets (max_len, err, who); |
2117 | 2806 |
2807 return retval; | |
2808 } | |
2809 | |
9701 | 2810 long |
2811 octave_stream::skipl (long count, bool& err, const std::string& who) | |
2812 { | |
2813 long retval = -1; | |
2814 | |
2815 if (stream_ok ()) | |
2816 retval = rep->skipl (count, err, who); | |
2817 | |
2818 return retval; | |
2819 } | |
2820 | |
2821 long | |
2822 octave_stream::skipl (const octave_value& tc_count, bool& err, const std::string& who) | |
2823 { | |
2824 long retval = -1; | |
2825 | |
2826 err = false; | |
2827 | |
2828 int conv_err = 0; | |
2829 | |
2830 int count = 1; | |
2831 | |
2832 if (tc_count.is_defined ()) | |
2833 { | |
2834 if (tc_count.is_scalar_type () && xisinf (tc_count.scalar_value ())) | |
2835 count = -1; | |
2836 else | |
2837 { | |
2838 count = convert_to_valid_int (tc_count, conv_err); | |
2839 | |
2840 if (conv_err || count < 0) | |
2841 { | |
2842 err = true; | |
2843 ::error ("%s: invalid number of lines specified", who.c_str ()); | |
2844 } | |
2845 } | |
2846 } | |
2847 | |
2848 if (! error_state) | |
2849 retval = skipl (count, err, who); | |
2850 | |
2851 return retval; | |
2852 } | |
2853 | |
2117 | 2854 int |
4797 | 2855 octave_stream::seek (long offset, int origin) |
2117 | 2856 { |
5065 | 2857 int status = -1; |
2117 | 2858 |
5659 | 2859 if (stream_ok ()) |
4889 | 2860 { |
2861 clearerr (); | |
2862 | |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2863 // Find current position so we can return to it if needed. |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2864 |
5065 | 2865 long orig_pos = rep->tell (); |
2866 | |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2867 // Move to end of file. If successful, find the offset of the end. |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2868 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2869 status = rep->seek (0, SEEK_END); |
5065 | 2870 |
2871 if (status == 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2872 { |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2873 long eof_pos = rep->tell (); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2874 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2875 if (origin == SEEK_CUR) |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2876 { |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2877 // Move back to original position, otherwise we will be |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2878 // seeking from the end of file which is probably not the |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2879 // original location. |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2880 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2881 rep->seek (orig_pos, SEEK_SET); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2882 } |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2883 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2884 // Attempt to move to desired position; may be outside bounds |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2885 // of existing file. |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2886 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2887 status = rep->seek (offset, origin); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2888 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2889 if (status == 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2890 { |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2891 // Where are we after moving to desired position? |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2892 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2893 long desired_pos = rep->tell (); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2894 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2895 // I don't think save_pos can be less than zero, but we'll |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2896 // check anyway... |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2897 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2898 if (desired_pos > eof_pos || desired_pos < 0) |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2899 { |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2900 // Seek outside bounds of file. Failure should leave |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2901 // position unchanged. |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2902 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2903 rep->seek (orig_pos, SEEK_SET); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2904 |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2905 status = -1; |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2906 } |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2907 } |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2908 else |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2909 { |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2910 // Seeking to the desired position failed. Move back to |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
2911 // original position and return failure status. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2912 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2913 rep->seek (orig_pos, SEEK_SET); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2914 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2915 status = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2916 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2917 } |
4889 | 2918 } |
2117 | 2919 |
5065 | 2920 return status; |
2117 | 2921 } |
2922 | |
2923 int | |
2924 octave_stream::seek (const octave_value& tc_offset, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2925 const octave_value& tc_origin) |
2117 | 2926 { |
2927 int retval = -1; | |
2928 | |
4797 | 2929 long xoffset = tc_offset.long_value (true); |
4645 | 2930 |
2931 if (! error_state) | |
2117 | 2932 { |
4645 | 2933 int conv_err = 0; |
2934 | |
4797 | 2935 int origin = SEEK_SET; |
2117 | 2936 |
2341 | 2937 if (tc_origin.is_string ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2938 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2939 std::string xorigin = tc_origin.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2940 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2941 if (xorigin == "bof") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2942 origin = SEEK_SET; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2943 else if (xorigin == "cof") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2944 origin = SEEK_CUR; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2945 else if (xorigin == "eof") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2946 origin = SEEK_END; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2947 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2948 conv_err = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2949 } |
2341 | 2950 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2951 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2952 int xorigin = convert_to_valid_int (tc_origin, conv_err); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2953 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2954 if (! conv_err) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2955 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2956 if (xorigin == -1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2957 origin = SEEK_SET; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2958 else if (xorigin == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2959 origin = SEEK_CUR; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2960 else if (xorigin == 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2961 origin = SEEK_END; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2962 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2963 conv_err = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2964 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2965 } |
2117 | 2966 |
2967 if (! conv_err) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2968 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2969 retval = seek (xoffset, origin); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2970 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2971 if (retval != 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2972 error ("fseek: failed to seek to requested position"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2973 } |
2117 | 2974 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2975 error ("fseek: invalid value for origin"); |
2117 | 2976 } |
2977 else | |
2978 error ("fseek: invalid value for offset"); | |
2979 | |
2980 return retval; | |
2981 } | |
2982 | |
4797 | 2983 long |
2984 octave_stream::tell (void) | |
2117 | 2985 { |
4797 | 2986 long retval = -1; |
2117 | 2987 |
5659 | 2988 if (stream_ok ()) |
2117 | 2989 retval = rep->tell (); |
2990 | |
2991 return retval; | |
2992 } | |
2993 | |
2994 int | |
2995 octave_stream::rewind (void) | |
2996 { | |
6296 | 2997 return seek (0, SEEK_SET); |
2117 | 2998 } |
2999 | |
3340 | 3000 bool |
3001 octave_stream::is_open (void) const | |
3002 { | |
3003 bool retval = false; | |
3004 | |
5659 | 3005 if (stream_ok ()) |
3340 | 3006 retval = rep->is_open (); |
3007 | |
3008 return retval; | |
3009 } | |
3010 | |
3011 void | |
3012 octave_stream::close (void) | |
3013 { | |
5659 | 3014 if (stream_ok ()) |
3340 | 3015 rep->close (); |
3016 } | |
3017 | |
4944 | 3018 template <class RET_T, class READ_T> |
2117 | 3019 octave_value |
5275 | 3020 do_read (octave_stream& strm, octave_idx_type nr, octave_idx_type nc, octave_idx_type block_size, |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3021 octave_idx_type skip, bool do_float_fmt_conv, bool do_NA_conv, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3022 oct_mach_info::float_format from_flt_fmt, octave_idx_type& count) |
2117 | 3023 { |
3024 octave_value retval; | |
3025 | |
4944 | 3026 RET_T nda; |
3027 | |
3028 count = 0; | |
3029 | |
9941
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
9701
diff
changeset
|
3030 typedef typename RET_T::element_type ELMT; |
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
9701
diff
changeset
|
3031 ELMT elt_zero = ELMT (); |
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
9701
diff
changeset
|
3032 |
1369f13ae6b2
several fixes by M. Goffioul
Jaroslav Hajek <highegg@gmail.com>
parents:
9701
diff
changeset
|
3033 ELMT *dat = 0; |
4944 | 3034 |
5275 | 3035 octave_idx_type max_size = 0; |
3036 | |
3037 octave_idx_type final_nr = 0; | |
3038 octave_idx_type final_nc = 1; | |
4944 | 3039 |
3040 if (nr > 0) | |
3041 { | |
3042 if (nc > 0) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3043 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3044 nda.resize (dim_vector (nr, nc), elt_zero); |
57a59eae83cc
untabify src C++ source files
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changeset
|
3045 dat = nda.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3046 max_size = nr * nc; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3047 } |
4944 | 3048 else |
10315
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3049 { |
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3050 nda.resize (dim_vector (nr, 32), elt_zero); |
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3051 dat = nda.fortran_vec (); |
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3052 max_size = nr * 32; |
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3053 } |
4944 | 3054 } |
3055 else | |
3056 { | |
3057 nda.resize (dim_vector (32, 1), elt_zero); | |
3058 dat = nda.fortran_vec (); | |
3059 max_size = 32; | |
3060 } | |
3061 | |
5775 | 3062 // FIXME -- byte order for Cray? |
4944 | 3063 |
3064 bool swap = false; | |
3065 | |
3066 if (oct_mach_info::words_big_endian ()) | |
3067 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
10315
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3068 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g |
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3069 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3070 else |
3071 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3072 | |
3073 union | |
3074 { | |
9685 | 3075 char buf[sizeof (typename strip_template_param<octave_int, READ_T>::type)]; |
3076 typename strip_template_param<octave_int, READ_T>::type val; | |
4944 | 3077 } u; |
3078 | |
3079 std::istream *isp = strm.input_stream (); | |
3080 | |
3081 if (isp) | |
3082 { | |
3083 std::istream& is = *isp; | |
3084 | |
5275 | 3085 octave_idx_type elts_read = 0; |
4944 | 3086 |
3087 for (;;) | |
10315
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|
3088 { |
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|
3089 // FIXME -- maybe there should be a special case for |
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3090 // skip == 0. |
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3091 |
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|
3092 if (is) |
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|
3093 { |
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3094 if (nr > 0 && nc > 0 && count == max_size) |
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|
3095 { |
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|
3096 final_nr = nr; |
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3097 final_nc = nc; |
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|
3098 |
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3099 break; |
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|
3100 } |
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|
3101 |
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3102 is.read (u.buf, sizeof (typename strip_template_param<octave_int, READ_T>::type)); |
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3103 |
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3104 // We only swap bytes for integer types. For float |
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3105 // types, the format conversion will also handle byte |
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3106 // swapping. |
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3107 |
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|
3108 if (swap) |
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3109 swap_bytes<sizeof (typename strip_template_param<octave_int, READ_T>::type)> (u.buf); |
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3110 else if (do_float_fmt_conv) |
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3111 do_float_format_conversion |
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|
3112 (u.buf, |
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|
3113 sizeof (typename strip_template_param<octave_int, READ_T>::type), |
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3114 1, from_flt_fmt, oct_mach_info::float_format ()); |
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3115 |
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3116 typename RET_T::element_type tmp |
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3117 = static_cast <typename RET_T::element_type> (u.val); |
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|
3118 |
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|
3119 if (is) |
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|
3120 { |
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|
3121 if (count == max_size) |
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|
3122 { |
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3123 max_size *= 2; |
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|
3124 |
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|
3125 if (nr > 0) |
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3126 nda.resize (dim_vector (nr, max_size / nr), |
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|
3127 elt_zero); |
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|
3128 else |
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3129 nda.resize (dim_vector (max_size, 1), elt_zero); |
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|
3130 |
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3131 dat = nda.fortran_vec (); |
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|
3132 } |
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3133 |
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3134 if (do_NA_conv && __lo_ieee_is_old_NA (tmp)) |
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3135 tmp = __lo_ieee_replace_old_NA (tmp); |
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|
3136 |
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3137 dat[count++] = tmp; |
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|
3138 |
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3139 elts_read++; |
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|
3140 } |
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|
3141 |
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3142 int seek_status = 0; |
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3143 |
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3144 if (skip != 0 && elts_read == block_size) |
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|
3145 { |
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3146 seek_status = strm.seek (skip, SEEK_CUR); |
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|
3147 elts_read = 0; |
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|
3148 } |
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|
3149 |
57a59eae83cc
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|
3150 if (is.eof () || seek_status < 0) |
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|
3151 { |
57a59eae83cc
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|
3152 if (nr > 0) |
57a59eae83cc
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|
3153 { |
57a59eae83cc
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|
3154 if (count > nr) |
57a59eae83cc
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|
3155 { |
57a59eae83cc
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|
3156 final_nr = nr; |
57a59eae83cc
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|
3157 final_nc = (count - 1) / nr + 1; |
57a59eae83cc
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|
3158 } |
57a59eae83cc
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|
3159 else |
57a59eae83cc
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|
3160 { |
57a59eae83cc
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|
3161 final_nr = count; |
57a59eae83cc
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|
3162 final_nc = 1; |
57a59eae83cc
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|
3163 } |
57a59eae83cc
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|
3164 } |
57a59eae83cc
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|
3165 else |
57a59eae83cc
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|
3166 { |
57a59eae83cc
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|
3167 final_nr = count; |
57a59eae83cc
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|
3168 final_nc = 1; |
57a59eae83cc
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|
3169 } |
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|
3170 |
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|
3171 break; |
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|
3172 } |
57a59eae83cc
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|
3173 } |
57a59eae83cc
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|
3174 else if (is.eof ()) |
57a59eae83cc
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|
3175 break; |
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|
3176 } |
4944 | 3177 } |
3178 | |
5030 | 3179 nda.resize (dim_vector (final_nr, final_nc), elt_zero); |
3180 | |
3181 retval = nda; | |
4944 | 3182 |
3183 return retval; | |
3184 } | |
3185 | |
3186 #define DO_READ_VAL_TEMPLATE(RET_T, READ_T) \ | |
3187 template octave_value \ | |
7995 | 3188 do_read<RET_T, READ_T> (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, \ |
10315
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|
3189 oct_mach_info::float_format, octave_idx_type&) |
4944 | 3190 |
5775 | 3191 // FIXME -- should we only have float if it is a different |
4944 | 3192 // size from double? |
3193 | |
3194 #define INSTANTIATE_DO_READ(VAL_T) \ | |
3195 DO_READ_VAL_TEMPLATE (VAL_T, octave_int8); \ | |
3196 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint8); \ | |
3197 DO_READ_VAL_TEMPLATE (VAL_T, octave_int16); \ | |
3198 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint16); \ | |
3199 DO_READ_VAL_TEMPLATE (VAL_T, octave_int32); \ | |
3200 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint32); \ | |
3201 DO_READ_VAL_TEMPLATE (VAL_T, octave_int64); \ | |
3202 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint64); \ | |
3203 DO_READ_VAL_TEMPLATE (VAL_T, float); \ | |
3204 DO_READ_VAL_TEMPLATE (VAL_T, double); \ | |
3205 DO_READ_VAL_TEMPLATE (VAL_T, char); \ | |
3206 DO_READ_VAL_TEMPLATE (VAL_T, signed char); \ | |
3207 DO_READ_VAL_TEMPLATE (VAL_T, unsigned char) | |
3208 | |
4970 | 3209 INSTANTIATE_DO_READ (int8NDArray); |
3210 INSTANTIATE_DO_READ (uint8NDArray); | |
3211 INSTANTIATE_DO_READ (int16NDArray); | |
3212 INSTANTIATE_DO_READ (uint16NDArray); | |
3213 INSTANTIATE_DO_READ (int32NDArray); | |
3214 INSTANTIATE_DO_READ (uint32NDArray); | |
3215 INSTANTIATE_DO_READ (int64NDArray); | |
3216 INSTANTIATE_DO_READ (uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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7724
diff
changeset
|
3217 INSTANTIATE_DO_READ (FloatNDArray); |
4970 | 3218 INSTANTIATE_DO_READ (NDArray); |
3219 INSTANTIATE_DO_READ (charNDArray); | |
5780 | 3220 INSTANTIATE_DO_READ (boolNDArray); |
4944 | 3221 |
7995 | 3222 typedef octave_value (*read_fptr) (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, |
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3223 oct_mach_info::float_format ffmt, octave_idx_type&); |
4944 | 3224 |
3225 #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
|
3226 read_fptr_table[R][oct_data_conv::dt_int8] = do_read<VAL_T, octave_int8>; \ |
4b2147b25e8d
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Jaroslav Hajek <highegg@gmail.com>
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9017
diff
changeset
|
3227 read_fptr_table[R][oct_data_conv::dt_uint8] = do_read<VAL_T, octave_uint8>; \ |
4b2147b25e8d
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Jaroslav Hajek <highegg@gmail.com>
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9017
diff
changeset
|
3228 read_fptr_table[R][oct_data_conv::dt_int16] = do_read<VAL_T, octave_int16>; \ |
4b2147b25e8d
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Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3229 read_fptr_table[R][oct_data_conv::dt_uint16] = do_read<VAL_T, octave_uint16>; \ |
4b2147b25e8d
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Jaroslav Hajek <highegg@gmail.com>
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9017
diff
changeset
|
3230 read_fptr_table[R][oct_data_conv::dt_int32] = do_read<VAL_T, octave_int32>; \ |
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clean up Array instantiation mess in oct-stream.cc
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|
3231 read_fptr_table[R][oct_data_conv::dt_uint32] = do_read<VAL_T, octave_uint32>; \ |
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clean up Array instantiation mess in oct-stream.cc
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diff
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|
3232 read_fptr_table[R][oct_data_conv::dt_int64] = do_read<VAL_T, octave_int64>; \ |
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clean up Array instantiation mess in oct-stream.cc
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diff
changeset
|
3233 read_fptr_table[R][oct_data_conv::dt_uint64] = do_read<VAL_T, octave_uint64>; \ |
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clean up Array instantiation mess in oct-stream.cc
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diff
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|
3234 read_fptr_table[R][oct_data_conv::dt_single] = do_read<VAL_T, float>; \ |
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clean up Array instantiation mess in oct-stream.cc
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diff
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|
3235 read_fptr_table[R][oct_data_conv::dt_double] = do_read<VAL_T, double>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
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diff
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|
3236 read_fptr_table[R][oct_data_conv::dt_char] = do_read<VAL_T, char>; \ |
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clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
3237 read_fptr_table[R][oct_data_conv::dt_schar] = do_read<VAL_T, signed char>; \ |
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clean up Array instantiation mess in oct-stream.cc
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diff
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|
3238 read_fptr_table[R][oct_data_conv::dt_uchar] = do_read<VAL_T, unsigned char>; \ |
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clean up Array instantiation mess in oct-stream.cc
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|
3239 read_fptr_table[R][oct_data_conv::dt_logical] = do_read<VAL_T, unsigned char> |
4944 | 3240 |
3241 octave_value | |
5275 | 3242 octave_stream::read (const Array<double>& size, octave_idx_type block_size, |
10315
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3243 oct_data_conv::data_type input_type, |
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3244 oct_data_conv::data_type output_type, |
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3245 octave_idx_type skip, oct_mach_info::float_format ffmt, |
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3246 octave_idx_type& char_count) |
4944 | 3247 { |
3248 static bool initialized = false; | |
3249 | |
3250 // Table function pointers for return types x read types. | |
3251 | |
9202
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clean up Array instantiation mess in oct-stream.cc
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|
3252 static read_fptr read_fptr_table[oct_data_conv::dt_unknown][14]; |
4944 | 3253 |
3254 if (! initialized) | |
3255 { | |
9202
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3256 for (int i = 0; i < oct_data_conv::dt_unknown; i++) |
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3257 for (int j = 0; j < 14; j++) |
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3258 read_fptr_table[i][j] = 0; |
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clean up Array instantiation mess in oct-stream.cc
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3259 |
4944 | 3260 FILL_TABLE_ROW (oct_data_conv::dt_int8, int8NDArray); |
3261 FILL_TABLE_ROW (oct_data_conv::dt_uint8, uint8NDArray); | |
3262 FILL_TABLE_ROW (oct_data_conv::dt_int16, int16NDArray); | |
3263 FILL_TABLE_ROW (oct_data_conv::dt_uint16, uint16NDArray); | |
3264 FILL_TABLE_ROW (oct_data_conv::dt_int32, int32NDArray); | |
3265 FILL_TABLE_ROW (oct_data_conv::dt_uint32, uint32NDArray); | |
3266 FILL_TABLE_ROW (oct_data_conv::dt_int64, int64NDArray); | |
3267 FILL_TABLE_ROW (oct_data_conv::dt_uint64, uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
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|
3268 FILL_TABLE_ROW (oct_data_conv::dt_single, FloatNDArray); |
4944 | 3269 FILL_TABLE_ROW (oct_data_conv::dt_double, NDArray); |
3270 FILL_TABLE_ROW (oct_data_conv::dt_char, charNDArray); | |
3271 FILL_TABLE_ROW (oct_data_conv::dt_schar, charNDArray); | |
3272 FILL_TABLE_ROW (oct_data_conv::dt_uchar, charNDArray); | |
4970 | 3273 FILL_TABLE_ROW (oct_data_conv::dt_logical, boolNDArray); |
4944 | 3274 |
3275 initialized = true; | |
3276 } | |
3277 | |
3278 octave_value retval; | |
3279 | |
5659 | 3280 if (stream_ok ()) |
4944 | 3281 { |
5775 | 3282 // FIXME -- we may eventually want to make this extensible. |
3283 | |
3284 // FIXME -- we need a better way to ensure that this | |
4944 | 3285 // numbering stays consistent with the order of the elements in the |
3286 // data_type enum in the oct_data_conv class. | |
3287 | |
3288 char_count = 0; | |
3289 | |
5275 | 3290 octave_idx_type nr = -1; |
3291 octave_idx_type nc = -1; | |
4944 | 3292 |
3293 bool ignore; | |
3294 | |
3295 get_size (size, nr, nc, ignore, "fread"); | |
3296 | |
3297 if (! error_state) | |
10315
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3298 { |
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3299 if (nr == 0 || nc == 0) |
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3300 retval = Matrix (nr, nc); |
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|
3301 else |
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3302 { |
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3303 if (ffmt == oct_mach_info::flt_fmt_unknown) |
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3304 ffmt = float_format (); |
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3305 |
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3306 read_fptr fcn = read_fptr_table[output_type][input_type]; |
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3307 |
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3308 bool do_float_fmt_conv = ((input_type == oct_data_conv::dt_double |
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3309 || input_type == oct_data_conv::dt_single) |
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3310 && ffmt != float_format ()); |
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3311 |
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3312 bool do_NA_conv = (output_type == oct_data_conv::dt_double); |
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3313 |
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3314 if (fcn) |
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3315 { |
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3316 retval = (*fcn) (*this, nr, nc, block_size, skip, |
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3317 do_float_fmt_conv, do_NA_conv, |
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3318 ffmt, char_count); |
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3319 |
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3320 // FIXME -- kluge! |
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3321 |
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3322 if (! error_state |
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3323 && (output_type == oct_data_conv::dt_char |
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3324 || output_type == oct_data_conv::dt_schar |
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3325 || output_type == oct_data_conv::dt_uchar)) |
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3326 retval = retval.char_matrix_value (); |
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3327 } |
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3328 else |
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3329 error ("fread: unable to read and convert requested types"); |
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3330 } |
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3331 } |
4944 | 3332 else |
10315
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3333 invalid_operation ("fread", "reading"); |
4944 | 3334 } |
2117 | 3335 |
3336 return retval; | |
3337 } | |
3338 | |
5275 | 3339 octave_idx_type |
3340 octave_stream::write (const octave_value& data, octave_idx_type block_size, | |
10315
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3341 oct_data_conv::data_type output_type, octave_idx_type skip, |
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3342 oct_mach_info::float_format flt_fmt) |
2117 | 3343 { |
5275 | 3344 octave_idx_type retval = -1; |
2117 | 3345 |
5659 | 3346 if (stream_ok ()) |
4944 | 3347 { |
3348 if (! error_state) | |
10315
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3349 { |
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3350 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
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3351 flt_fmt = float_format (); |
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3352 |
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3353 octave_idx_type status = data.write (*this, block_size, output_type, |
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3354 skip, flt_fmt); |
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3355 |
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3356 if (status < 0) |
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3357 error ("fwrite: write error"); |
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3358 else |
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3359 retval = status; |
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3360 } |
4944 | 3361 else |
10315
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|
3362 invalid_operation ("fwrite", "writing"); |
4944 | 3363 } |
2117 | 3364 |
3365 return retval; | |
3366 } | |
3367 | |
4944 | 3368 template <class T> |
3369 void | |
3370 write_int (std::ostream& os, bool swap, const T& val) | |
3371 { | |
9685 | 3372 typename T::val_type tmp = val.value (); |
4944 | 3373 |
3374 if (swap) | |
9685 | 3375 swap_bytes<sizeof (typename T::val_type)> (&tmp); |
4944 | 3376 |
3377 os.write (reinterpret_cast<const char *> (&tmp), | |
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3378 sizeof (typename T::val_type)); |
4944 | 3379 } |
3380 | |
3381 template void write_int (std::ostream&, bool, const octave_int8&); | |
3382 template void write_int (std::ostream&, bool, const octave_uint8&); | |
3383 template void write_int (std::ostream&, bool, const octave_int16&); | |
3384 template void write_int (std::ostream&, bool, const octave_uint16&); | |
3385 template void write_int (std::ostream&, bool, const octave_int32&); | |
3386 template void write_int (std::ostream&, bool, const octave_uint32&); | |
3387 template void write_int (std::ostream&, bool, const octave_int64&); | |
3388 template void write_int (std::ostream&, bool, const octave_uint64&); | |
3389 | |
3390 template <class T> | |
3391 static inline bool | |
3392 do_write (std::ostream& os, const T& val, oct_data_conv::data_type output_type, | |
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3393 oct_mach_info::float_format flt_fmt, bool swap, |
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3394 bool do_float_conversion) |
4944 | 3395 { |
3396 bool retval = true; | |
3397 | |
3398 // For compatibility, Octave converts to the output type, then | |
3399 // writes. This means that truncation happens on the conversion. | |
3400 // For example, the following program prints 0: | |
3401 // | |
3402 // x = int8 (-1) | |
3403 // f = fopen ("foo.dat", "w"); | |
3404 // fwrite (f, x, "unsigned char"); | |
3405 // fclose (f); | |
3406 // f = fopen ("foo.dat", "r"); | |
3407 // y = fread (f, 1, "unsigned char"); | |
3408 // printf ("%d\n", y); | |
3409 | |
3410 switch (output_type) | |
3411 { | |
3412 case oct_data_conv::dt_char: | |
3413 case oct_data_conv::dt_schar: | |
3414 case oct_data_conv::dt_int8: | |
3415 write_int (os, swap, octave_int8 (val)); | |
3416 break; | |
3417 | |
3418 case oct_data_conv::dt_uchar: | |
3419 case oct_data_conv::dt_uint8: | |
3420 write_int (os, swap, octave_uint8 (val)); | |
3421 break; | |
3422 | |
3423 case oct_data_conv::dt_int16: | |
3424 write_int (os, swap, octave_int16 (val)); | |
3425 break; | |
3426 | |
3427 case oct_data_conv::dt_uint16: | |
3428 write_int (os, swap, octave_uint16 (val)); | |
3429 break; | |
3430 | |
3431 case oct_data_conv::dt_int32: | |
3432 write_int (os, swap, octave_int32 (val)); | |
3433 break; | |
3434 | |
3435 case oct_data_conv::dt_uint32: | |
3436 write_int (os, swap, octave_uint32 (val)); | |
3437 break; | |
3438 | |
3439 case oct_data_conv::dt_int64: | |
3440 write_int (os, swap, octave_int64 (val)); | |
3441 break; | |
3442 | |
3443 case oct_data_conv::dt_uint64: | |
3444 write_int (os, swap, octave_uint64 (val)); | |
3445 break; | |
3446 | |
3447 case oct_data_conv::dt_single: | |
3448 { | |
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3449 float f = static_cast<float> (val); |
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3450 |
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3451 if (do_float_conversion) |
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3452 do_float_format_conversion (&f, 1, flt_fmt); |
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3453 |
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3454 os.write (reinterpret_cast<const char *> (&f), sizeof (float)); |
4944 | 3455 } |
3456 break; | |
3457 | |
3458 case oct_data_conv::dt_double: | |
3459 { | |
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3460 double d = static_cast<double> (val); |
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3461 if (do_float_conversion) |
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3462 do_double_format_conversion (&d, 1, flt_fmt); |
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3463 |
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changeset
|
3464 os.write (reinterpret_cast<const char *> (&d), sizeof (double)); |
4944 | 3465 } |
3466 break; | |
3467 | |
3468 default: | |
3469 retval = false; | |
3470 (*current_liboctave_error_handler) | |
10315
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changeset
|
3471 ("write: invalid type specification"); |
4944 | 3472 break; |
3473 } | |
3474 | |
3475 return retval; | |
3476 } | |
3477 | |
5887 | 3478 template bool |
3479 do_write (std::ostream&, const octave_int8&, oct_data_conv::data_type, | |
10315
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changeset
|
3480 oct_mach_info::float_format, bool, bool); |
5887 | 3481 |
3482 template bool | |
3483 do_write (std::ostream&, const octave_uint8&, oct_data_conv::data_type, | |
10315
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changeset
|
3484 oct_mach_info::float_format, bool, bool); |
5887 | 3485 |
3486 template bool | |
3487 do_write (std::ostream&, const octave_int16&, oct_data_conv::data_type, | |
10315
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diff
changeset
|
3488 oct_mach_info::float_format, bool, bool); |
5887 | 3489 |
3490 template bool | |
3491 do_write (std::ostream&, const octave_uint16&, oct_data_conv::data_type, | |
10315
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diff
changeset
|
3492 oct_mach_info::float_format, bool, bool); |
5887 | 3493 |
3494 template bool | |
3495 do_write (std::ostream&, const octave_int32&, oct_data_conv::data_type, | |
10315
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changeset
|
3496 oct_mach_info::float_format, bool, bool); |
5887 | 3497 |
3498 template bool | |
3499 do_write (std::ostream&, const octave_uint32&, oct_data_conv::data_type, | |
10315
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diff
changeset
|
3500 oct_mach_info::float_format, bool, bool); |
5887 | 3501 |
3502 template bool | |
3503 do_write (std::ostream&, const octave_int64&, oct_data_conv::data_type, | |
10315
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diff
changeset
|
3504 oct_mach_info::float_format, bool, bool); |
5887 | 3505 |
3506 template bool | |
3507 do_write (std::ostream&, const octave_uint64&, oct_data_conv::data_type, | |
10315
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changeset
|
3508 oct_mach_info::float_format, bool, bool); |
5887 | 3509 |
4944 | 3510 template <class T> |
5275 | 3511 octave_idx_type |
3512 octave_stream::write (const Array<T>& data, octave_idx_type block_size, | |
10315
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|
3513 oct_data_conv::data_type output_type, |
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|
3514 octave_idx_type skip, oct_mach_info::float_format flt_fmt) |
4944 | 3515 { |
5275 | 3516 octave_idx_type retval = -1; |
4944 | 3517 |
3518 bool status = true; | |
3519 | |
5275 | 3520 octave_idx_type count = 0; |
4944 | 3521 |
3522 const T *d = data.data (); | |
3523 | |
5275 | 3524 octave_idx_type n = data.length (); |
4944 | 3525 |
3526 oct_mach_info::float_format native_flt_fmt | |
3527 = oct_mach_info::float_format (); | |
3528 | |
3529 bool do_float_conversion = (flt_fmt != native_flt_fmt); | |
3530 | |
5775 | 3531 // FIXME -- byte order for Cray? |
4944 | 3532 |
3533 bool swap = false; | |
3534 | |
3535 if (oct_mach_info::words_big_endian ()) | |
3536 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
10315
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|
3537 || flt_fmt == oct_mach_info::flt_fmt_vax_g |
57a59eae83cc
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|
3538 || flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3539 else |
3540 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3541 | |
5275 | 3542 for (octave_idx_type i = 0; i < n; i++) |
4944 | 3543 { |
3544 std::ostream *osp = output_stream (); | |
3545 | |
3546 if (osp) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3547 { |
57a59eae83cc
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changeset
|
3548 std::ostream& os = *osp; |
57a59eae83cc
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|
3549 |
57a59eae83cc
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|
3550 if (skip != 0 && (i % block_size) == 0) |
57a59eae83cc
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diff
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|
3551 { |
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|
3552 // Seek to skip when inside bounds of existing file. |
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3553 // Otherwise, write NUL to skip. |
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untabify src C++ source files
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|
3554 |
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changeset
|
3555 long orig_pos = tell (); |
57a59eae83cc
untabify src C++ source files
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|
3556 |
57a59eae83cc
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|
3557 seek (0, SEEK_END); |
57a59eae83cc
untabify src C++ source files
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|
3558 |
57a59eae83cc
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|
3559 long eof_pos = tell (); |
57a59eae83cc
untabify src C++ source files
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|
3560 |
57a59eae83cc
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|
3561 // Is it possible for this to fail to return us to the |
57a59eae83cc
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|
3562 // original position? |
57a59eae83cc
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changeset
|
3563 seek (orig_pos, SEEK_SET); |
57a59eae83cc
untabify src C++ source files
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|
3564 |
57a59eae83cc
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changeset
|
3565 long remaining = eof_pos - orig_pos; |
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untabify src C++ source files
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|
3566 |
57a59eae83cc
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|
3567 if (remaining < skip) |
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untabify src C++ source files
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|
3568 { |
57a59eae83cc
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changeset
|
3569 seek (0, SEEK_END); |
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untabify src C++ source files
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changeset
|
3570 |
57a59eae83cc
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changeset
|
3571 // FIXME -- probably should try to write larger |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3572 // blocks... |
57a59eae83cc
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changeset
|
3573 |
57a59eae83cc
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diff
changeset
|
3574 unsigned char zero = 0; |
57a59eae83cc
untabify src C++ source files
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changeset
|
3575 for (octave_idx_type j = 0; j < skip - remaining; j++) |
57a59eae83cc
untabify src C++ source files
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changeset
|
3576 os.write (reinterpret_cast<const char *> (&zero), 1); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3577 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3578 else |
57a59eae83cc
untabify src C++ source files
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changeset
|
3579 seek (skip, SEEK_CUR); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3580 } |
57a59eae83cc
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|
3581 |
57a59eae83cc
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changeset
|
3582 if (os) |
57a59eae83cc
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|
3583 { |
57a59eae83cc
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changeset
|
3584 status = do_write (os, d[i], output_type, flt_fmt, swap, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3585 do_float_conversion); |
57a59eae83cc
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changeset
|
3586 |
57a59eae83cc
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diff
changeset
|
3587 if (os && status) |
57a59eae83cc
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changeset
|
3588 count++; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3589 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3590 break; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3591 } |
57a59eae83cc
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diff
changeset
|
3592 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3593 { |
57a59eae83cc
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diff
changeset
|
3594 status = false; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3595 break; |
57a59eae83cc
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diff
changeset
|
3596 } |
57a59eae83cc
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changeset
|
3597 } |
4944 | 3598 else |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3599 { |
57a59eae83cc
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diff
changeset
|
3600 status = false; |
57a59eae83cc
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changeset
|
3601 break; |
57a59eae83cc
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changeset
|
3602 } |
4944 | 3603 } |
3604 | |
3605 if (status) | |
3606 retval = count; | |
3607 | |
3608 return retval; | |
3609 } | |
3610 | |
5275 | 3611 template octave_idx_type |
3612 octave_stream::write (const Array<char>&, octave_idx_type, | |
10315
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changeset
|
3613 oct_data_conv::data_type, |
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changeset
|
3614 octave_idx_type, oct_mach_info::float_format); |
5275 | 3615 |
3616 template octave_idx_type | |
3617 octave_stream::write (const Array<bool>&, octave_idx_type, | |
10315
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changeset
|
3618 oct_data_conv::data_type, |
57a59eae83cc
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diff
changeset
|
3619 octave_idx_type, oct_mach_info::float_format); |
5275 | 3620 |
3621 template octave_idx_type | |
3622 octave_stream::write (const Array<double>&, octave_idx_type, | |
10315
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changeset
|
3623 oct_data_conv::data_type, |
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changeset
|
3624 octave_idx_type, oct_mach_info::float_format); |
5275 | 3625 |
3626 template octave_idx_type | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3627 octave_stream::write (const Array<float>&, octave_idx_type, |
10315
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changeset
|
3628 oct_data_conv::data_type, |
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changeset
|
3629 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
|
3630 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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7724
diff
changeset
|
3631 template octave_idx_type |
5275 | 3632 octave_stream::write (const Array<octave_int8>&, octave_idx_type, |
10315
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changeset
|
3633 oct_data_conv::data_type, |
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changeset
|
3634 octave_idx_type, oct_mach_info::float_format); |
5275 | 3635 |
3636 template octave_idx_type | |
3637 octave_stream::write (const Array<octave_uint8>&, octave_idx_type, | |
10315
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changeset
|
3638 oct_data_conv::data_type, |
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changeset
|
3639 octave_idx_type, oct_mach_info::float_format); |
5275 | 3640 |
3641 template octave_idx_type | |
3642 octave_stream::write (const Array<octave_int16>&, octave_idx_type, | |
10315
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changeset
|
3643 oct_data_conv::data_type, |
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changeset
|
3644 octave_idx_type, oct_mach_info::float_format); |
5275 | 3645 |
3646 template octave_idx_type | |
3647 octave_stream::write (const Array<octave_uint16>&, octave_idx_type, | |
10315
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changeset
|
3648 oct_data_conv::data_type, |
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changeset
|
3649 octave_idx_type, oct_mach_info::float_format); |
5275 | 3650 |
3651 template octave_idx_type | |
3652 octave_stream::write (const Array<octave_int32>&, octave_idx_type, | |
10315
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changeset
|
3653 oct_data_conv::data_type, |
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changeset
|
3654 octave_idx_type, oct_mach_info::float_format); |
5275 | 3655 |
3656 template octave_idx_type | |
3657 octave_stream::write (const Array<octave_uint32>&, octave_idx_type, | |
10315
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changeset
|
3658 oct_data_conv::data_type, |
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changeset
|
3659 octave_idx_type, oct_mach_info::float_format); |
5275 | 3660 |
3661 template octave_idx_type | |
3662 octave_stream::write (const Array<octave_int64>&, octave_idx_type, | |
10315
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changeset
|
3663 oct_data_conv::data_type, |
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changeset
|
3664 octave_idx_type, oct_mach_info::float_format); |
5275 | 3665 |
3666 template octave_idx_type | |
3667 octave_stream::write (const Array<octave_uint64>&, octave_idx_type, | |
10315
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untabify src C++ source files
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changeset
|
3668 oct_data_conv::data_type, |
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changeset
|
3669 octave_idx_type, oct_mach_info::float_format); |
4944 | 3670 |
2117 | 3671 octave_value |
3810 | 3672 octave_stream::scanf (const std::string& fmt, const Array<double>& size, |
10315
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3673 octave_idx_type& count, const std::string& who) |
2117 | 3674 { |
3675 octave_value retval; | |
3676 | |
5659 | 3677 if (stream_ok ()) |
4468 | 3678 retval = rep->scanf (fmt, size, count, who); |
2117 | 3679 |
3680 return retval; | |
3681 } | |
3682 | |
5279 | 3683 octave_value |
3684 octave_stream::scanf (const octave_value& fmt, const Array<double>& size, | |
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3685 octave_idx_type& count, const std::string& who) |
5279 | 3686 { |
3687 octave_value retval = Matrix (); | |
3688 | |
3689 if (fmt.is_string ()) | |
3690 { | |
3691 std::string sfmt = fmt.string_value (); | |
3692 | |
3693 if (fmt.is_sq_string ()) | |
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3694 sfmt = do_string_escapes (sfmt); |
5279 | 3695 |
3696 retval = scanf (sfmt, size, count, who); | |
3697 } | |
3698 else | |
3699 { | |
3700 // Note that this is not ::error () ! | |
3701 | |
3702 error (who + ": format must be a string"); | |
3703 } | |
3704 | |
3705 return retval; | |
3706 } | |
3707 | |
2215 | 3708 octave_value_list |
4468 | 3709 octave_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 3710 { |
3711 octave_value_list retval; | |
3712 | |
5659 | 3713 if (stream_ok ()) |
4468 | 3714 retval = rep->oscanf (fmt, who); |
2215 | 3715 |
3716 return retval; | |
3717 } | |
3718 | |
5279 | 3719 octave_value_list |
3720 octave_stream::oscanf (const octave_value& fmt, const std::string& who) | |
3721 { | |
3722 octave_value_list retval; | |
3723 | |
3724 if (fmt.is_string ()) | |
3725 { | |
3726 std::string sfmt = fmt.string_value (); | |
3727 | |
3728 if (fmt.is_sq_string ()) | |
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3729 sfmt = do_string_escapes (sfmt); |
5279 | 3730 |
3731 retval = oscanf (sfmt, who); | |
3732 } | |
3733 else | |
3734 { | |
3735 // Note that this is not ::error () ! | |
3736 | |
3737 error (who + ": format must be a string"); | |
3738 } | |
3739 | |
3740 return retval; | |
3741 } | |
3742 | |
2117 | 3743 int |
4468 | 3744 octave_stream::printf (const std::string& fmt, const octave_value_list& args, |
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3745 const std::string& who) |
2117 | 3746 { |
3747 int retval = -1; | |
3748 | |
5659 | 3749 if (stream_ok ()) |
4468 | 3750 retval = rep->printf (fmt, args, who); |
2117 | 3751 |
3752 return retval; | |
3753 } | |
3754 | |
3755 int | |
5279 | 3756 octave_stream::printf (const octave_value& fmt, const octave_value_list& args, |
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3757 const std::string& who) |
5279 | 3758 { |
3759 int retval = 0; | |
3760 | |
3761 if (fmt.is_string ()) | |
3762 { | |
3763 std::string sfmt = fmt.string_value (); | |
3764 | |
3765 if (fmt.is_sq_string ()) | |
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3766 sfmt = do_string_escapes (sfmt); |
5279 | 3767 |
3768 retval = printf (sfmt, args, who); | |
3769 } | |
3770 else | |
3771 { | |
3772 // Note that this is not ::error () ! | |
3773 | |
3774 error (who + ": format must be a string"); | |
3775 } | |
3776 | |
3777 return retval; | |
3778 } | |
3779 | |
3780 int | |
4468 | 3781 octave_stream::puts (const std::string& s, const std::string& who) |
2117 | 3782 { |
3783 int retval = -1; | |
3784 | |
5659 | 3785 if (stream_ok ()) |
4468 | 3786 retval = rep->puts (s, who); |
2117 | 3787 |
3788 return retval; | |
3789 } | |
3790 | |
5775 | 3791 // FIXME -- maybe this should work for string arrays too. |
2117 | 3792 |
3793 int | |
4468 | 3794 octave_stream::puts (const octave_value& tc_s, const std::string& who) |
2117 | 3795 { |
3796 int retval = -1; | |
3797 | |
3798 if (tc_s.is_string ()) | |
3799 { | |
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3800 std::string s = tc_s.string_value (); |
5279 | 3801 retval = puts (s, who); |
2117 | 3802 } |
3803 else | |
4468 | 3804 { |
3805 // Note that this is not ::error () ! | |
3806 | |
3807 error (who + ": argument must be a string"); | |
3808 } | |
2117 | 3809 |
3810 return retval; | |
3811 } | |
3812 | |
3813 bool | |
3814 octave_stream::eof (void) const | |
3815 { | |
3816 int retval = -1; | |
3817 | |
5659 | 3818 if (stream_ok ()) |
2117 | 3819 retval = rep->eof (); |
3820 | |
3821 return retval; | |
3822 } | |
3823 | |
3536 | 3824 std::string |
2435 | 3825 octave_stream::error (bool clear, int& err_num) |
2117 | 3826 { |
5649 | 3827 std::string retval = "invalid stream object"; |
3828 | |
5659 | 3829 if (stream_ok (false)) |
2435 | 3830 retval = rep->error (clear, err_num); |
2117 | 3831 |
3832 return retval; | |
3833 } | |
3834 | |
3536 | 3835 std::string |
3340 | 3836 octave_stream::name (void) const |
2117 | 3837 { |
3523 | 3838 std::string retval; |
2117 | 3839 |
5659 | 3840 if (stream_ok ()) |
2117 | 3841 retval = rep->name (); |
3842 | |
3843 return retval; | |
3844 } | |
3845 | |
3846 int | |
3340 | 3847 octave_stream::mode (void) const |
2117 | 3848 { |
3849 int retval = 0; | |
3850 | |
5659 | 3851 if (stream_ok ()) |
2117 | 3852 retval = rep->mode (); |
3853 | |
3854 return retval; | |
3855 } | |
3856 | |
2317 | 3857 oct_mach_info::float_format |
3340 | 3858 octave_stream::float_format (void) const |
2117 | 3859 { |
4574 | 3860 oct_mach_info::float_format retval = oct_mach_info::flt_fmt_unknown; |
2317 | 3861 |
5659 | 3862 if (stream_ok ()) |
2317 | 3863 retval = rep->float_format (); |
2117 | 3864 |
3865 return retval; | |
3866 } | |
3867 | |
3536 | 3868 std::string |
2117 | 3869 octave_stream::mode_as_string (int mode) |
3870 { | |
3523 | 3871 std::string retval = "???"; |
3775 | 3872 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode); |
3873 | |
3874 if (in_mode == std::ios::in) | |
3875 retval = "r"; | |
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3876 else if (in_mode == std::ios::out |
4078 | 3877 || in_mode == (std::ios::out | std::ios::trunc)) |
3775 | 3878 retval = "w"; |
4078 | 3879 else if (in_mode == (std::ios::out | std::ios::app)) |
3775 | 3880 retval = "a"; |
4078 | 3881 else if (in_mode == (std::ios::in | std::ios::out)) |
3775 | 3882 retval = "r+"; |
4078 | 3883 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc)) |
3775 | 3884 retval = "w+"; |
4078 | 3885 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate)) |
3775 | 3886 retval = "a+"; |
4078 | 3887 else if (in_mode == (std::ios::in | std::ios::binary)) |
3775 | 3888 retval = "rb"; |
4078 | 3889 else if (in_mode == (std::ios::out | std::ios::binary) |
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3890 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary)) |
3775 | 3891 retval = "wb"; |
4078 | 3892 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary)) |
3775 | 3893 retval = "ab"; |
4078 | 3894 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary)) |
3775 | 3895 retval = "r+b"; |
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3896 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc |
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3897 | std::ios::binary)) |
3775 | 3898 retval = "w+b"; |
4078 | 3899 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate |
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3900 | std::ios::binary)) |
3775 | 3901 retval = "a+b"; |
2117 | 3902 |
3903 return retval; | |
3904 } | |
3905 | |
3906 octave_stream_list *octave_stream_list::instance = 0; | |
3907 | |
2926 | 3908 bool |
3909 octave_stream_list::instance_ok (void) | |
3910 { | |
3911 bool retval = true; | |
3912 | |
3913 if (! instance) | |
3914 instance = new octave_stream_list (); | |
3915 | |
3916 if (! instance) | |
3917 { | |
3918 ::error ("unable to create stream list object!"); | |
3919 | |
3920 retval = false; | |
3921 } | |
3922 | |
3923 return retval; | |
3924 } | |
3925 | |
5353 | 3926 int |
6757 | 3927 octave_stream_list::insert (octave_stream& os) |
2926 | 3928 { |
5353 | 3929 return (instance_ok ()) ? instance->do_insert (os) : -1; |
2926 | 3930 } |
3931 | |
3340 | 3932 octave_stream |
3523 | 3933 octave_stream_list::lookup (int fid, const std::string& who) |
2926 | 3934 { |
3341 | 3935 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 3936 } |
3937 | |
3340 | 3938 octave_stream |
3523 | 3939 octave_stream_list::lookup (const octave_value& fid, const std::string& who) |
2926 | 3940 { |
3341 | 3941 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 3942 } |
3943 | |
3944 int | |
3523 | 3945 octave_stream_list::remove (int fid, const std::string& who) |
2926 | 3946 { |
3341 | 3947 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 3948 } |
3949 | |
3950 int | |
3523 | 3951 octave_stream_list::remove (const octave_value& fid, const std::string& who) |
2926 | 3952 { |
3341 | 3953 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 3954 } |
3955 | |
3956 void | |
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3957 octave_stream_list::clear (bool flush) |
2926 | 3958 { |
3959 if (instance) | |
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3960 instance->do_clear (flush); |
2926 | 3961 } |
3962 | |
3963 string_vector | |
3964 octave_stream_list::get_info (int fid) | |
3965 { | |
3966 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
3967 } | |
3968 | |
3969 string_vector | |
3970 octave_stream_list::get_info (const octave_value& fid) | |
3971 { | |
3972 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
3973 } | |
3974 | |
3536 | 3975 std::string |
2926 | 3976 octave_stream_list::list_open_files (void) |
3977 { | |
3523 | 3978 return (instance_ok ()) ? instance->do_list_open_files () : std::string (); |
2926 | 3979 } |
3980 | |
3981 octave_value | |
3982 octave_stream_list::open_file_numbers (void) | |
3983 { | |
3984 return (instance_ok ()) | |
3985 ? instance->do_open_file_numbers () : octave_value (); | |
3986 } | |
3987 | |
3988 int | |
3989 octave_stream_list::get_file_number (const octave_value& fid) | |
3990 { | |
3991 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1; | |
3992 } | |
3993 | |
5353 | 3994 int |
6757 | 3995 octave_stream_list::do_insert (octave_stream& os) |
2117 | 3996 { |
6757 | 3997 // Insert item with key corresponding to file-descriptor. |
3998 | |
3999 int stream_number; | |
4000 | |
4001 if ((stream_number = os.file_number ()) == -1) | |
4002 return stream_number; | |
4003 | |
4004 // Should we test for "(list.find (stream_number) != list.end ()) && | |
4005 // list[stream_number].is_open ()" and respond with "error | |
4006 // ("internal error: ...")"? It should not happen except for some | |
4007 // bug or if the user has opened a stream with an interpreted | |
4008 // command, but closed it directly with a system call in an | |
4009 // oct-file; then the kernel knows the fd is free, but Octave does | |
4010 // not know. If it happens, it should not do harm here to simply | |
4011 // overwrite this entry, although the wrong entry might have done | |
4012 // harm before. | |
4013 | |
4014 if (list.size () < list.max_size ()) | |
4015 list[stream_number] = os; | |
4016 else | |
2117 | 4017 { |
6757 | 4018 stream_number = -1; |
4019 error ("could not create file id"); | |
3340 | 4020 } |
2117 | 4021 |
5353 | 4022 return stream_number; |
6757 | 4023 |
2117 | 4024 } |
4025 | |
3341 | 4026 static void |
3523 | 4027 gripe_invalid_file_id (int fid, const std::string& who) |
3341 | 4028 { |
4029 if (who.empty ()) | |
4030 ::error ("invalid stream number = %d", fid); | |
4031 else | |
4032 ::error ("%s: invalid stream number = %d", who.c_str (), fid); | |
4033 } | |
4034 | |
3340 | 4035 octave_stream |
3523 | 4036 octave_stream_list::do_lookup (int fid, const std::string& who) const |
2117 | 4037 { |
3340 | 4038 octave_stream retval; |
2117 | 4039 |
6757 | 4040 if (fid >= 0) |
4041 { | |
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4042 if (lookup_cache != list.end () && lookup_cache->first == fid) |
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4043 retval = lookup_cache->second; |
6757 | 4044 else |
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4045 { |
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4046 ostrl_map::const_iterator iter = list.find (fid); |
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4047 |
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4048 if (iter != list.end ()) |
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4049 { |
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4050 retval = iter->second; |
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4051 lookup_cache = iter; |
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4052 } |
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4053 else |
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4054 gripe_invalid_file_id (fid, who); |
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4055 } |
6757 | 4056 } |
3341 | 4057 else |
4058 gripe_invalid_file_id (fid, who); | |
2117 | 4059 |
4060 return retval; | |
4061 } | |
4062 | |
3340 | 4063 octave_stream |
3341 | 4064 octave_stream_list::do_lookup (const octave_value& fid, |
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4065 const std::string& who) const |
2117 | 4066 { |
3340 | 4067 octave_stream retval; |
2117 | 4068 |
4069 int i = get_file_number (fid); | |
4070 | |
4071 if (! error_state) | |
3341 | 4072 retval = do_lookup (i, who); |
2117 | 4073 |
4074 return retval; | |
4075 } | |
4076 | |
4077 int | |
3523 | 4078 octave_stream_list::do_remove (int fid, const std::string& who) |
2117 | 4079 { |
4080 int retval = -1; | |
4081 | |
3531 | 4082 // Can't remove stdin (std::cin), stdout (std::cout), or stderr |
4083 // (std::cerr). | |
2117 | 4084 |
6757 | 4085 if (fid > 2) |
2117 | 4086 { |
6757 | 4087 ostrl_map::iterator iter = list.find (fid); |
4088 | |
4089 if (iter != list.end ()) | |
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4090 { |
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4091 octave_stream os = iter->second; |
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4092 list.erase (iter); |
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4093 lookup_cache = list.end (); |
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4094 |
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4095 // FIXME: is this check redundant? |
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4096 if (os.is_valid ()) |
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4097 { |
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4098 os.close (); |
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4099 retval = 0; |
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4100 } |
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4101 else |
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4102 gripe_invalid_file_id (fid, who); |
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4103 } |
3341 | 4104 else |
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4105 gripe_invalid_file_id (fid, who); |
2117 | 4106 } |
3341 | 4107 else |
4108 gripe_invalid_file_id (fid, who); | |
2117 | 4109 |
4110 return retval; | |
4111 } | |
4112 | |
4113 int | |
3523 | 4114 octave_stream_list::do_remove (const octave_value& fid, const std::string& who) |
2117 | 4115 { |
4116 int retval = -1; | |
4117 | |
6054 | 4118 if (fid.is_string () && fid.string_value () == "all") |
4119 { | |
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4120 do_clear (false); |
6054 | 4121 |
4122 retval = 0; | |
4123 } | |
4124 else | |
4125 { | |
4126 int i = get_file_number (fid); | |
4127 | |
4128 if (! error_state) | |
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4129 retval = do_remove (i, who); |
6054 | 4130 } |
2117 | 4131 |
4132 return retval; | |
4133 } | |
4134 | |
4135 void | |
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4136 octave_stream_list::do_clear (bool flush) |
2117 | 4137 { |
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4138 if (flush) |
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4139 { |
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4140 // Do flush stdout and stderr. |
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4141 |
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4142 list[0].flush (); |
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4143 list[1].flush (); |
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4144 } |
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4145 |
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4146 octave_stream saved_os[3]; |
2117 | 4147 // But don't delete them or stdin. |
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4148 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); iter++) |
6757 | 4149 { |
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4150 int fid = iter->first; |
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4151 octave_stream os = iter->second; |
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4152 if (fid < 3) |
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4153 saved_os[fid] = os; |
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4154 else if (os.is_valid ()) |
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4155 os.close (); |
6757 | 4156 } |
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4157 list.clear (); |
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4158 for (int fid = 0; fid < 3; fid++) list[fid] = saved_os[fid]; |
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4159 lookup_cache = list.end (); |
2117 | 4160 } |
4161 | |
4162 string_vector | |
4163 octave_stream_list::do_get_info (int fid) const | |
4164 { | |
4165 string_vector retval; | |
4166 | |
3340 | 4167 octave_stream os = do_lookup (fid); |
2117 | 4168 |
3341 | 4169 if (os.is_valid ()) |
2117 | 4170 { |
4171 retval.resize (3); | |
4172 | |
3340 | 4173 retval(0) = os.name (); |
4174 retval(1) = octave_stream::mode_as_string (os.mode ()); | |
4175 retval(2) = oct_mach_info::float_format_as_string (os.float_format ()); | |
2117 | 4176 } |
4177 else | |
3341 | 4178 ::error ("invalid file id = %d", fid); |
2117 | 4179 |
4180 return retval; | |
4181 } | |
4182 | |
4183 string_vector | |
4184 octave_stream_list::do_get_info (const octave_value& fid) const | |
4185 { | |
4186 string_vector retval; | |
4187 | |
4188 int conv_err = 0; | |
4189 | |
4190 int int_fid = convert_to_valid_int (fid, conv_err); | |
4191 | |
4192 if (! conv_err) | |
4193 retval = do_get_info (int_fid); | |
4194 else | |
2915 | 4195 ::error ("file id must be a file object or integer value"); |
2117 | 4196 |
4197 return retval; | |
4198 } | |
4199 | |
3536 | 4200 std::string |
2117 | 4201 octave_stream_list::do_list_open_files (void) const |
4202 { | |
3523 | 4203 std::string retval; |
2117 | 4204 |
5765 | 4205 std::ostringstream buf; |
2117 | 4206 |
4207 buf << "\n" | |
4208 << " number mode arch name\n" | |
4209 << " ------ ---- ---- ----\n"; | |
4210 | |
6757 | 4211 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4212 { |
6757 | 4213 octave_stream os = p->second; |
2117 | 4214 |
4326 | 4215 buf << " " |
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4216 << std::setiosflags (std::ios::right) |
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4217 << std::setw (4) << p->first << " " |
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4218 << std::setiosflags (std::ios::left) |
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4219 << std::setw (3) |
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4220 << octave_stream::mode_as_string (os.mode ()) |
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4221 << " " |
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4222 << std::setw (9) |
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4223 << oct_mach_info::float_format_as_string (os.float_format ()) |
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4224 << " " |
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4225 << os.name () << "\n"; |
2117 | 4226 } |
4227 | |
5765 | 4228 buf << "\n"; |
4229 | |
4230 retval = buf.str (); | |
2117 | 4231 |
4232 return retval; | |
4233 } | |
4234 | |
4235 octave_value | |
4236 octave_stream_list::do_open_file_numbers (void) const | |
4237 { | |
6757 | 4238 Matrix retval (1, list.size (), 0.0); |
2117 | 4239 |
4240 int num_open = 0; | |
4241 | |
6757 | 4242 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4243 { |
6757 | 4244 // Skip stdin, stdout, and stderr. |
4245 | |
4246 if (p->first > 2 && p->second) | |
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4247 retval(0,num_open++) = p->first; |
2117 | 4248 } |
4249 | |
4250 retval.resize ((num_open > 0), num_open); | |
4251 | |
4252 return retval; | |
4253 } | |
4254 | |
4255 int | |
2609 | 4256 octave_stream_list::do_get_file_number (const octave_value& fid) const |
2117 | 4257 { |
4258 int retval = -1; | |
4259 | |
4260 if (fid.is_string ()) | |
4261 { | |
3523 | 4262 std::string nm = fid.string_value (); |
2117 | 4263 |
6757 | 4264 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
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4265 { |
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4266 // stdin (std::cin), stdout (std::cout), and stderr (std::cerr) |
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4267 // are unnamed. |
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4268 |
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4269 if (p->first > 2) |
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4270 { |
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4271 octave_stream os = p->second; |
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4272 |
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4273 if (os && os.name () == nm) |
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4274 { |
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4275 retval = p->first; |
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4276 break; |
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4277 } |
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4278 } |
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4279 } |
2117 | 4280 } |
4281 else | |
4282 { | |
4283 int conv_err = 0; | |
4284 | |
4285 int int_fid = convert_to_valid_int (fid, conv_err); | |
4286 | |
4287 if (conv_err) | |
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4288 ::error ("file id must be a file object, std::string, or integer value"); |
2117 | 4289 else |
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4290 retval = int_fid; |
2117 | 4291 } |
4292 | |
4293 return retval; | |
4294 } |