Mercurial > hg > octave-nkf
annotate liboctave/cmd-edit.cc @ 12011:67ad3b58b99a release-3-2-x
improve error handling
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Wed, 24 Jun 2009 07:31:32 +0200 |
| parents | bfa0fc8559b5 |
| children | 3cee58bf4acf |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, |
| 8920 | 4 2006, 2007, 2008, 2009 John W. Eaton |
| 2926 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2926 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2926 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 3225 | 28 #include <cstdlib> |
| 2926 | 29 #include <cstring> |
| 30 | |
| 31 #include <string> | |
| 32 | |
| 33 #ifdef HAVE_UNISTD_H | |
| 34 #ifdef HAVE_SYS_TYPES_H | |
| 35 #include <sys/types.h> | |
| 36 #endif | |
| 37 #include <unistd.h> | |
| 38 #endif | |
| 39 | |
| 5247 | 40 #include "quit.h" |
| 41 | |
| 2926 | 42 #include "cmd-edit.h" |
| 43 #include "cmd-hist.h" | |
| 5872 | 44 #include "file-ops.h" |
| 2926 | 45 #include "lo-error.h" |
| 46 #include "lo-utils.h" | |
| 47 #include "oct-env.h" | |
|
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48 #include "oct-mutex.h" |
| 3260 | 49 #include "oct-time.h" |
| 2926 | 50 |
| 51 command_editor *command_editor::instance = 0; | |
| 52 | |
| 6913 | 53 std::set<command_editor::startup_hook_fcn> command_editor::startup_hook_set; |
| 54 | |
| 55 std::set<command_editor::event_hook_fcn> command_editor::event_hook_set; | |
| 56 | |
|
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57 static octave_mutex event_hook_lock; |
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58 |
| 2926 | 59 #if defined (USE_READLINE) |
| 60 | |
| 61 #include <cstdio> | |
| 62 #include <cstdlib> | |
| 63 | |
| 3519 | 64 #include "oct-rl-edit.h" |
| 2926 | 65 |
| 66 class | |
| 67 gnu_readline : public command_editor | |
| 68 { | |
| 69 public: | |
| 70 | |
| 3519 | 71 typedef command_editor::startup_hook_fcn startup_hook_fcn; |
| 72 | |
| 6913 | 73 typedef command_editor::event_hook_fcn event_hook_fcn; |
| 2926 | 74 |
| 2941 | 75 typedef command_editor::completion_fcn completion_fcn; |
| 76 | |
| 2926 | 77 gnu_readline (void); |
| 78 | |
| 79 ~gnu_readline (void) { } | |
| 80 | |
| 3504 | 81 void do_set_name (const std::string& n); |
| 2926 | 82 |
| 3504 | 83 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 84 |
| 85 void do_set_input_stream (FILE *f); | |
| 86 | |
| 87 FILE *do_get_input_stream (void); | |
| 88 | |
| 89 void do_set_output_stream (FILE *f); | |
| 90 | |
| 91 FILE *do_get_output_stream (void); | |
| 92 | |
| 93 int do_terminal_rows (void); | |
| 94 | |
| 95 int do_terminal_cols (void); | |
| 96 | |
| 97 void do_clear_screen (void); | |
| 98 | |
| 3281 | 99 void do_resize_terminal (void); |
| 100 | |
| 3504 | 101 std::string newline_chars (void); |
| 2926 | 102 |
| 103 void do_restore_terminal_state (void); | |
| 104 | |
| 105 void do_blink_matching_paren (bool flag); | |
| 106 | |
| 3933 | 107 void do_set_basic_word_break_characters (const std::string& s); |
| 108 | |
| 109 void do_set_completer_word_break_characters (const std::string& s); | |
| 110 | |
| 3504 | 111 void do_set_basic_quote_characters (const std::string& s); |
| 2926 | 112 |
| 6979 | 113 void do_set_filename_quote_characters (const std::string& s); |
| 114 | |
| 115 void do_set_completer_quote_characters (const std::string& s); | |
| 116 | |
| 2926 | 117 void do_set_completion_append_character (char c); |
| 118 | |
| 2941 | 119 void do_set_completion_function (completion_fcn f); |
| 120 | |
| 6979 | 121 void do_set_quoting_function (quoting_fcn f); |
| 122 | |
| 123 void do_set_dequoting_function (dequoting_fcn f); | |
| 124 | |
| 125 void do_set_char_is_quoted_function (char_is_quoted_fcn f); | |
| 126 | |
| 127 void do_set_user_accept_line_function (user_accept_line_fcn f); | |
| 128 | |
| 2941 | 129 completion_fcn do_get_completion_function (void) const; |
| 2926 | 130 |
| 6979 | 131 quoting_fcn do_get_quoting_function (void) const; |
| 132 | |
| 133 dequoting_fcn do_get_dequoting_function (void) const; | |
| 134 | |
| 135 char_is_quoted_fcn do_get_char_is_quoted_function (void) const; | |
| 136 | |
| 137 user_accept_line_fcn do_get_user_accept_line_function (void) const; | |
| 138 | |
| 4604 | 139 string_vector |
| 140 do_generate_filename_completions (const std::string& text); | |
| 141 | |
| 3504 | 142 void do_insert_text (const std::string& text); |
| 2926 | 143 |
| 144 void do_newline (void); | |
| 145 | |
| 6979 | 146 void do_accept_line (void); |
| 147 | |
| 2926 | 148 void do_clear_undo_list (void); |
| 149 | |
| 6913 | 150 void set_startup_hook (startup_hook_fcn f); |
| 151 | |
| 152 void restore_startup_hook (void); | |
| 2926 | 153 |
| 6913 | 154 void set_event_hook (event_hook_fcn f); |
| 2926 | 155 |
| 6913 | 156 void restore_event_hook (void); |
| 3215 | 157 |
| 158 void do_restore_event_hook (void); | |
| 159 | |
| 3504 | 160 void do_read_init_file (const std::string& file); |
| 3189 | 161 |
|
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162 void do_re_read_init_file (void); |
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163 |
| 4143 | 164 bool do_filename_completion_desired (bool); |
| 165 | |
| 6979 | 166 bool do_filename_quoting_desired (bool); |
| 167 | |
| 3519 | 168 static int operate_and_get_next (int, int); |
| 2926 | 169 |
| 3951 | 170 static int history_search_backward (int, int); |
| 171 | |
| 172 static int history_search_forward (int, int); | |
| 173 | |
| 2926 | 174 private: |
| 175 | |
| 3519 | 176 startup_hook_fcn previous_startup_hook; |
| 2926 | 177 |
| 3519 | 178 event_hook_fcn previous_event_hook; |
| 3215 | 179 |
| 2941 | 180 completion_fcn completion_function; |
| 181 | |
| 6979 | 182 quoting_fcn quoting_function; |
| 183 | |
| 184 dequoting_fcn dequoting_function; | |
| 185 | |
| 186 char_is_quoted_fcn char_is_quoted_function; | |
| 187 | |
| 188 user_accept_line_fcn user_accept_line_function; | |
| 189 | |
| 2941 | 190 static char *command_generator (const char *text, int state); |
| 191 | |
| 6979 | 192 static char *command_quoter (char *text, int match_type, char *quote_pointer); |
| 193 static char *command_dequoter (char *text, int match_type); | |
| 194 | |
| 195 static int command_char_is_quoted (char *text, int index); | |
| 196 | |
| 197 static int command_accept_line (int count, int key); | |
| 198 | |
| 3519 | 199 static char **command_completer (const char *text, int start, int end); |
| 2926 | 200 }; |
| 201 | |
| 202 gnu_readline::gnu_readline () | |
| 3215 | 203 : command_editor (), previous_startup_hook (0), |
| 6979 | 204 previous_event_hook (0), completion_function (0), |
| 205 quoting_function (0), dequoting_function (0), | |
| 206 char_is_quoted_function (0), user_accept_line_function (0) | |
| 2926 | 207 { |
| 5775 | 208 // FIXME -- need interface to rl_add_defun, rl_initialize, and |
| 3519 | 209 // a function to set rl_terminal_name |
| 3225 | 210 |
| 3520 | 211 std::string term = octave_env::getenv ("TERM"); |
| 3519 | 212 |
| 213 octave_rl_set_terminal_name (term.c_str ()); | |
| 214 | |
| 215 octave_rl_initialize (); | |
| 2926 | 216 |
| 217 do_blink_matching_paren (true); | |
| 218 | |
| 5452 | 219 // Bind operate-and-get-next. |
| 2926 | 220 |
| 3519 | 221 octave_rl_add_defun ("operate-and-get-next", |
| 222 gnu_readline::operate_and_get_next, | |
| 223 octave_rl_ctrl ('O')); | |
| 2926 | 224 |
| 5452 | 225 // And the history search functions. |
| 2926 | 226 |
| 3519 | 227 octave_rl_add_defun ("history-search-backward", |
| 3951 | 228 gnu_readline::history_search_backward, |
| 3519 | 229 octave_rl_meta ('P')); |
| 2926 | 230 |
| 3519 | 231 octave_rl_add_defun ("history-search-forward", |
| 3951 | 232 gnu_readline::history_search_forward, |
| 3519 | 233 octave_rl_meta ('N')); |
| 2926 | 234 } |
| 235 | |
| 236 void | |
| 3519 | 237 gnu_readline::do_set_name (const std::string& nm) |
| 2926 | 238 { |
| 3519 | 239 ::octave_rl_set_name (nm.c_str ()); |
| 2926 | 240 } |
| 241 | |
| 3504 | 242 std::string |
| 243 gnu_readline::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 244 { |
| 3504 | 245 std::string retval; |
| 2926 | 246 |
| 3219 | 247 eof = false; |
| 248 | |
| 5247 | 249 char *line = 0; |
| 250 | |
| 5336 | 251 const char *p = prompt.c_str (); |
| 252 | |
| 5452 | 253 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 5247 | 254 |
| 5336 | 255 line = ::octave_rl_readline (p); |
| 5247 | 256 |
| 5452 | 257 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 2926 | 258 |
| 259 if (line) | |
| 260 { | |
| 261 retval = line; | |
| 262 | |
| 263 free (line); | |
| 264 } | |
| 3219 | 265 else |
| 266 eof = true; | |
| 2926 | 267 |
| 268 return retval; | |
| 269 } | |
| 270 | |
| 271 void | |
| 272 gnu_readline::do_set_input_stream (FILE *f) | |
| 273 { | |
| 3519 | 274 ::octave_rl_set_input_stream (f); |
| 2926 | 275 } |
| 276 | |
| 277 FILE * | |
| 278 gnu_readline::do_get_input_stream (void) | |
| 279 { | |
| 3519 | 280 return ::octave_rl_get_input_stream (); |
| 2926 | 281 } |
| 282 | |
| 283 void | |
| 284 gnu_readline::do_set_output_stream (FILE *f) | |
| 285 { | |
| 3519 | 286 ::octave_rl_set_output_stream (f); |
| 2926 | 287 } |
| 288 | |
| 289 FILE * | |
| 290 gnu_readline::do_get_output_stream (void) | |
| 291 { | |
| 3519 | 292 return ::octave_rl_get_output_stream (); |
| 2926 | 293 } |
| 294 | |
| 295 // GNU readline handles SIGWINCH, so these values have a good chance | |
| 296 // of being correct even if the window changes size (they may be | |
| 297 // wrong if, for example, the luser changes the window size while the | |
| 298 // pager is running, and the signal is handled by the pager instead of | |
| 299 // us. | |
| 300 | |
| 301 int | |
| 302 gnu_readline::do_terminal_rows (void) | |
| 303 { | |
| 3519 | 304 int sh = ::octave_rl_screen_height (); |
| 305 | |
| 306 return sh > 0 ? sh : 24; | |
| 2926 | 307 } |
| 308 | |
| 309 int | |
| 310 gnu_readline::do_terminal_cols (void) | |
| 311 { | |
| 3519 | 312 int sw = ::octave_rl_screen_width (); |
| 313 | |
| 314 return sw > 0 ? sw : 80; | |
| 2926 | 315 } |
| 316 | |
| 317 void | |
| 318 gnu_readline::do_clear_screen (void) | |
| 319 { | |
| 3519 | 320 ::octave_rl_clear_screen (); |
| 2926 | 321 } |
| 322 | |
| 3281 | 323 void |
| 324 gnu_readline::do_resize_terminal (void) | |
| 325 { | |
| 3519 | 326 ::octave_rl_resize_terminal (); |
| 3281 | 327 } |
| 328 | |
| 3504 | 329 std::string |
| 2926 | 330 gnu_readline::newline_chars (void) |
| 331 { | |
| 332 return "\r\n"; | |
| 333 } | |
| 334 | |
| 335 void | |
| 336 gnu_readline::do_restore_terminal_state (void) | |
| 337 { | |
| 3519 | 338 ::octave_rl_restore_terminal_state (); |
| 2926 | 339 } |
| 340 | |
| 341 void | |
| 342 gnu_readline::do_blink_matching_paren (bool flag) | |
| 343 { | |
| 3779 | 344 ::octave_rl_enable_paren_matching (flag ? 1 : 0); |
| 2926 | 345 } |
| 346 | |
| 347 void | |
| 3933 | 348 gnu_readline::do_set_basic_word_break_characters (const std::string& s) |
| 349 { | |
| 350 ::octave_rl_set_basic_word_break_characters (s.c_str ()); | |
| 351 } | |
| 352 | |
| 353 void | |
| 354 gnu_readline::do_set_completer_word_break_characters (const std::string& s) | |
| 355 { | |
| 356 ::octave_rl_set_completer_word_break_characters (s.c_str ()); | |
| 357 } | |
| 358 | |
| 359 void | |
| 3504 | 360 gnu_readline::do_set_basic_quote_characters (const std::string& s) |
| 2926 | 361 { |
| 3519 | 362 ::octave_rl_set_basic_quote_characters (s.c_str ()); |
| 2926 | 363 } |
| 364 | |
| 365 void | |
| 6979 | 366 gnu_readline::do_set_filename_quote_characters (const std::string& s) |
| 367 { | |
| 368 ::octave_rl_set_filename_quote_characters (s.c_str ()); | |
| 369 } | |
| 370 | |
| 371 void | |
| 372 gnu_readline::do_set_completer_quote_characters (const std::string& s) | |
| 373 { | |
| 374 ::octave_rl_set_completer_quote_characters (s.c_str ()); | |
| 375 } | |
| 376 | |
| 377 void | |
| 2926 | 378 gnu_readline::do_set_completion_append_character (char c) |
| 379 { | |
| 3519 | 380 ::octave_rl_set_completion_append_character (c); |
| 2926 | 381 } |
| 382 | |
| 383 void | |
| 2941 | 384 gnu_readline::do_set_completion_function (completion_fcn f) |
| 2926 | 385 { |
| 2941 | 386 completion_function = f; |
| 387 | |
| 3519 | 388 rl_attempted_completion_fcn_ptr fp |
| 389 = f ? gnu_readline::command_completer : 0; | |
| 2941 | 390 |
| 3519 | 391 ::octave_rl_set_completion_function (fp); |
| 2941 | 392 } |
| 393 | |
| 6979 | 394 void |
| 395 gnu_readline::do_set_quoting_function (quoting_fcn f) | |
| 396 { | |
| 397 quoting_function = f; | |
| 398 | |
| 399 rl_quoting_fcn_ptr fp | |
| 400 = f ? gnu_readline::command_quoter : 0; | |
| 401 | |
| 402 ::octave_rl_set_quoting_function (fp); | |
| 403 } | |
| 404 | |
| 405 void | |
| 406 gnu_readline::do_set_dequoting_function (dequoting_fcn f) | |
| 407 { | |
| 408 dequoting_function = f; | |
| 409 | |
| 410 rl_dequoting_fcn_ptr fp | |
| 411 = f ? gnu_readline::command_dequoter : 0; | |
| 412 | |
| 413 ::octave_rl_set_dequoting_function (fp); | |
| 414 } | |
| 415 | |
| 416 void | |
| 417 gnu_readline::do_set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 418 { | |
| 419 char_is_quoted_function = f; | |
| 420 | |
| 421 rl_char_is_quoted_fcn_ptr fp | |
| 422 = f ? gnu_readline::command_char_is_quoted : 0; | |
| 423 | |
| 424 ::octave_rl_set_char_is_quoted_function (fp); | |
| 425 } | |
| 426 | |
| 427 void | |
| 428 gnu_readline::do_set_user_accept_line_function (user_accept_line_fcn f) | |
| 429 { | |
| 430 user_accept_line_function = f; | |
| 431 | |
| 432 if (f) | |
| 433 octave_rl_add_defun ("accept-line", gnu_readline::command_accept_line, | |
| 434 ::octave_rl_ctrl ('M')); | |
| 435 else | |
| 436 octave_rl_add_defun ("accept-line", ::octave_rl_newline, | |
| 437 ::octave_rl_ctrl ('M')); | |
| 438 } | |
| 439 | |
| 2941 | 440 gnu_readline::completion_fcn |
| 441 gnu_readline::do_get_completion_function (void) const | |
| 442 { | |
| 443 return completion_function; | |
| 2926 | 444 } |
| 445 | |
| 6979 | 446 gnu_readline::quoting_fcn |
| 447 gnu_readline::do_get_quoting_function (void) const | |
| 448 { | |
| 449 return quoting_function; | |
| 450 } | |
| 451 | |
| 452 gnu_readline::dequoting_fcn | |
| 453 gnu_readline::do_get_dequoting_function (void) const | |
| 454 { | |
| 455 return dequoting_function; | |
| 456 } | |
| 457 | |
| 458 gnu_readline::char_is_quoted_fcn | |
| 459 gnu_readline::do_get_char_is_quoted_function (void) const | |
| 460 { | |
| 461 return char_is_quoted_function; | |
| 462 } | |
| 463 | |
| 464 gnu_readline::user_accept_line_fcn | |
| 465 gnu_readline::do_get_user_accept_line_function (void) const | |
| 466 { | |
| 467 return user_accept_line_function; | |
| 468 } | |
| 469 | |
| 4604 | 470 string_vector |
| 471 gnu_readline::do_generate_filename_completions (const std::string& text) | |
| 472 { | |
| 473 string_vector retval; | |
| 474 | |
| 475 int n = 0; | |
| 476 int count = 0; | |
| 477 | |
| 478 char *fn = 0; | |
| 479 | |
| 480 while (1) | |
| 481 { | |
| 482 fn = ::octave_rl_filename_completion_function (text.c_str (), count); | |
| 483 | |
| 484 if (fn) | |
| 485 { | |
| 486 if (count == n) | |
| 487 { | |
| 488 // Famous last words: Most large directories will not | |
| 489 // have more than a few hundred files, so we should not | |
| 490 // resize too many times even if the growth is linear... | |
| 491 | |
| 492 n += 100; | |
| 493 retval.resize (n); | |
| 494 } | |
| 495 | |
| 496 retval[count++] = fn; | |
| 497 | |
| 498 free (fn); | |
| 499 } | |
| 500 else | |
| 501 break; | |
| 502 } | |
| 503 | |
| 504 retval.resize (count); | |
| 505 | |
| 506 return retval; | |
| 507 } | |
| 508 | |
| 2926 | 509 void |
| 3504 | 510 gnu_readline::do_insert_text (const std::string& text) |
| 2926 | 511 { |
| 3519 | 512 ::octave_rl_insert_text (text.c_str ()); |
| 2926 | 513 } |
| 514 | |
| 515 void | |
| 516 gnu_readline::do_newline (void) | |
| 517 { | |
| 6979 | 518 ::octave_rl_newline (1, '\n'); |
| 519 } | |
| 520 | |
| 521 void | |
| 522 gnu_readline::do_accept_line (void) | |
| 523 { | |
| 524 command_accept_line (1, '\n'); | |
| 2926 | 525 } |
| 526 | |
| 527 void | |
| 528 gnu_readline::do_clear_undo_list () | |
| 529 { | |
| 3519 | 530 ::octave_rl_clear_undo_list (); |
| 2926 | 531 } |
| 532 | |
| 533 void | |
| 6913 | 534 gnu_readline::set_startup_hook (startup_hook_fcn f) |
| 2926 | 535 { |
| 3519 | 536 previous_startup_hook = ::octave_rl_get_startup_hook (); |
| 2926 | 537 |
| 6917 | 538 if (f != previous_startup_hook) |
| 539 ::octave_rl_set_startup_hook (f); | |
| 2926 | 540 } |
| 541 | |
| 542 void | |
| 6913 | 543 gnu_readline::restore_startup_hook (void) |
| 2926 | 544 { |
| 3519 | 545 ::octave_rl_set_startup_hook (previous_startup_hook); |
| 2926 | 546 } |
| 547 | |
| 548 void | |
| 6913 | 549 gnu_readline::set_event_hook (event_hook_fcn f) |
| 3215 | 550 { |
| 3519 | 551 previous_event_hook = octave_rl_get_event_hook (); |
| 3215 | 552 |
| 3519 | 553 ::octave_rl_set_event_hook (f); |
| 3215 | 554 } |
| 555 | |
| 556 void | |
| 6913 | 557 gnu_readline::restore_event_hook (void) |
| 3215 | 558 { |
| 3519 | 559 ::octave_rl_set_event_hook (previous_event_hook); |
| 3215 | 560 } |
| 561 | |
| 562 void | |
| 3504 | 563 gnu_readline::do_read_init_file (const std::string& file) |
| 3189 | 564 { |
| 3519 | 565 ::octave_rl_read_init_file (file.c_str ()); |
| 3189 | 566 } |
| 567 | |
|
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input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
568 void |
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8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
569 gnu_readline::do_re_read_init_file (void) |
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8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
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570 { |
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571 ::octave_rl_re_read_init_file (); |
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572 } |
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573 |
| 4143 | 574 bool |
| 575 gnu_readline::do_filename_completion_desired (bool arg) | |
| 576 { | |
| 577 return ::octave_rl_filename_completion_desired (arg); | |
| 578 } | |
| 579 | |
| 6979 | 580 bool |
| 581 gnu_readline::do_filename_quoting_desired (bool arg) | |
| 582 { | |
| 583 return ::octave_rl_filename_quoting_desired (arg); | |
| 584 } | |
| 585 | |
| 3519 | 586 int |
| 2926 | 587 gnu_readline::operate_and_get_next (int /* count */, int /* c */) |
| 588 { | |
| 589 // Accept the current line. | |
| 590 | |
| 6979 | 591 command_editor::accept_line (); |
| 2926 | 592 |
| 593 // Find the current line, and find the next line to use. | |
| 594 | |
| 595 int x_where = command_history::where (); | |
| 596 | |
| 597 int x_length = command_history::length (); | |
| 598 | |
| 599 if ((command_history::is_stifled () | |
| 600 && (x_length >= command_history::max_input_history ())) | |
| 601 || (x_where >= x_length - 1)) | |
| 602 command_history::set_mark (x_where); | |
| 603 else | |
| 604 command_history::set_mark (x_where + 1); | |
| 605 | |
| 6913 | 606 command_editor::add_startup_hook (command_history::goto_mark); |
| 3519 | 607 |
| 608 return 0; | |
| 2926 | 609 } |
| 610 | |
| 3951 | 611 int |
| 612 gnu_readline::history_search_backward (int count, int c) | |
| 613 { | |
| 614 return octave_rl_history_search_backward (count, c); | |
| 615 } | |
| 616 | |
| 617 int | |
| 618 gnu_readline::history_search_forward (int count, int c) | |
| 619 { | |
| 620 return octave_rl_history_search_forward (count, c); | |
| 621 } | |
| 622 | |
| 2941 | 623 char * |
| 624 gnu_readline::command_generator (const char *text, int state) | |
| 625 { | |
| 626 char *retval = 0; | |
| 627 | |
| 628 completion_fcn f = command_editor::get_completion_function (); | |
| 629 | |
| 3504 | 630 std::string tmp = f (text, state); |
| 2941 | 631 |
| 632 size_t len = tmp.length (); | |
| 633 | |
| 634 if (len > 0) | |
| 635 { | |
| 636 retval = static_cast<char *> (malloc (len+1)); | |
| 637 | |
| 638 strcpy (retval, tmp.c_str ()); | |
| 639 } | |
| 640 | |
| 641 return retval; | |
| 642 } | |
| 643 | |
| 6979 | 644 char * |
| 645 gnu_readline::command_quoter (char *text, int matches, char *qcp) | |
| 646 { | |
| 647 char *retval = 0; | |
| 648 | |
| 649 quoting_fcn f = command_editor::get_quoting_function (); | |
| 650 | |
| 651 std::string tmp = f (text, matches, *qcp); | |
| 652 | |
| 653 size_t len = tmp.length (); | |
| 654 | |
| 655 if (len > 0) | |
| 656 { | |
| 657 retval = static_cast<char *> (malloc (len+1)); | |
| 658 | |
| 659 strcpy (retval, tmp.c_str ()); | |
| 660 } | |
| 661 | |
| 662 return retval; | |
| 663 } | |
| 664 | |
| 665 char * | |
| 666 gnu_readline::command_dequoter (char *text, int quote) | |
| 667 { | |
| 668 char *retval = 0; | |
| 669 | |
| 670 dequoting_fcn f = command_editor::get_dequoting_function (); | |
| 671 | |
| 672 std::string tmp = f (text, quote); | |
| 673 | |
| 674 size_t len = tmp.length (); | |
| 675 | |
| 676 if (len > 0) | |
| 677 { | |
| 678 retval = static_cast<char *> (malloc (len+1)); | |
| 679 | |
| 680 strcpy (retval, tmp.c_str ()); | |
| 681 } | |
| 682 | |
| 683 return retval; | |
| 684 } | |
| 685 | |
| 686 int | |
| 687 gnu_readline::command_char_is_quoted (char *text, int quote) | |
| 688 { | |
| 689 char_is_quoted_fcn f = command_editor::get_char_is_quoted_function (); | |
| 690 | |
| 691 return f (text, quote); | |
| 692 } | |
| 693 | |
| 694 int | |
| 695 gnu_readline::command_accept_line (int count, int key) | |
| 696 { | |
| 697 user_accept_line_fcn f = command_editor::get_user_accept_line_function (); | |
| 698 | |
| 699 if (f) | |
| 700 f (::octave_rl_line_buffer ()); | |
| 701 | |
| 702 ::octave_rl_redisplay (); | |
| 703 | |
| 704 return ::octave_rl_newline (count, key); | |
| 705 } | |
| 706 | |
| 2941 | 707 char ** |
| 3519 | 708 gnu_readline::command_completer (const char *text, int, int) |
| 2941 | 709 { |
| 710 char **matches = 0; | |
| 3519 | 711 matches |
| 712 = ::octave_rl_completion_matches (text, gnu_readline::command_generator); | |
| 2941 | 713 return matches; |
| 714 } | |
| 715 | |
| 2926 | 716 #endif |
| 717 | |
| 718 class | |
| 719 default_command_editor : public command_editor | |
| 720 { | |
| 721 public: | |
| 722 | |
| 723 default_command_editor (void) | |
| 724 : command_editor (), input_stream (stdin), output_stream (stdout) { } | |
| 725 | |
| 726 ~default_command_editor (void) { } | |
| 727 | |
| 3504 | 728 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 729 |
| 730 void do_set_input_stream (FILE *f); | |
| 731 | |
| 732 FILE *do_get_input_stream (void); | |
| 733 | |
| 734 void do_set_output_stream (FILE *f); | |
| 735 | |
| 736 FILE *do_get_output_stream (void); | |
| 737 | |
| 4604 | 738 string_vector do_generate_filename_completions (const std::string& text); |
| 739 | |
| 3504 | 740 void do_insert_text (const std::string&); |
| 2926 | 741 |
| 742 void do_newline (void); | |
| 743 | |
| 6979 | 744 void do_accept_line (void); |
| 745 | |
| 2926 | 746 private: |
| 747 | |
| 748 FILE *input_stream; | |
| 749 | |
| 750 FILE *output_stream; | |
| 751 }; | |
| 752 | |
| 3504 | 753 std::string |
| 754 default_command_editor::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 755 { |
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756 fputs (prompt.c_str (), output_stream); |
| 2926 | 757 fflush (output_stream); |
| 758 | |
| 4527 | 759 return octave_fgetl (input_stream, eof); |
| 2926 | 760 } |
| 761 | |
| 762 void | |
| 763 default_command_editor::do_set_input_stream (FILE *f) | |
| 764 { | |
| 765 input_stream = f; | |
| 766 } | |
| 767 | |
| 768 FILE * | |
| 769 default_command_editor::do_get_input_stream (void) | |
| 770 { | |
| 771 return input_stream; | |
| 772 } | |
| 773 | |
| 774 void | |
| 775 default_command_editor::do_set_output_stream (FILE *f) | |
| 776 { | |
| 777 output_stream = f; | |
| 778 } | |
| 779 | |
| 780 FILE * | |
| 781 default_command_editor::do_get_output_stream (void) | |
| 782 { | |
| 783 return output_stream; | |
| 784 } | |
| 785 | |
| 4604 | 786 string_vector |
| 4663 | 787 default_command_editor::do_generate_filename_completions (const std::string&) |
| 4604 | 788 { |
| 5775 | 789 // FIXME |
| 4604 | 790 return string_vector (); |
| 791 } | |
| 792 | |
| 2926 | 793 void |
| 3504 | 794 default_command_editor::do_insert_text (const std::string&) |
| 2926 | 795 { |
| 5775 | 796 // FIXME |
| 2926 | 797 } |
| 798 | |
| 799 void | |
| 800 default_command_editor::do_newline (void) | |
| 801 { | |
| 5775 | 802 // FIXME |
| 2926 | 803 } |
| 804 | |
| 6979 | 805 void |
| 806 default_command_editor::do_accept_line (void) | |
| 807 { | |
| 808 // FIXME | |
| 809 } | |
| 810 | |
| 2926 | 811 bool |
| 812 command_editor::instance_ok (void) | |
| 813 { | |
| 814 bool retval = true; | |
| 815 | |
| 816 if (! instance) | |
| 817 make_command_editor (); | |
| 818 | |
| 819 if (! instance) | |
| 820 { | |
| 2941 | 821 current_liboctave_error_handler |
| 2926 | 822 ("unable to create command history object!"); |
| 823 | |
| 824 retval = false; | |
| 825 } | |
| 826 | |
| 827 return retval; | |
| 828 } | |
| 829 | |
| 830 void | |
| 831 command_editor::make_command_editor (void) | |
| 832 { | |
| 833 #if defined (USE_READLINE) | |
| 834 instance = new gnu_readline (); | |
| 835 #else | |
| 836 instance = new default_command_editor (); | |
| 837 #endif | |
| 838 } | |
| 839 | |
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840 void |
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841 command_editor::force_default_editor (void) |
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842 { |
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843 delete instance; |
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844 instance = new default_command_editor (); |
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845 } |
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846 |
| 6913 | 847 int |
| 848 command_editor::startup_handler (void) | |
| 849 { | |
| 850 for (startup_hook_set_iterator p = startup_hook_set.begin (); | |
| 851 p != startup_hook_set.end (); p++) | |
| 852 { | |
| 853 startup_hook_fcn f = *p; | |
| 854 | |
| 855 if (f) | |
| 856 f (); | |
| 857 } | |
| 858 | |
| 859 return 0; | |
| 860 } | |
| 861 | |
| 862 int | |
| 863 command_editor::event_handler (void) | |
| 864 { | |
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865 event_hook_lock.lock (); |
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866 |
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867 std::set<event_hook_fcn> hook_set (event_hook_set); |
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868 |
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869 event_hook_lock.unlock (); |
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870 |
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871 for (event_hook_set_iterator p = hook_set.begin (); |
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872 p != hook_set.end (); p++) |
| 6913 | 873 { |
| 874 event_hook_fcn f = *p; | |
| 875 | |
| 876 if (f) | |
| 877 f (); | |
| 878 } | |
| 879 | |
| 880 return 0; | |
| 881 } | |
| 882 | |
| 2926 | 883 void |
| 3504 | 884 command_editor::set_name (const std::string& n) |
| 2926 | 885 { |
| 886 if (instance_ok ()) | |
| 887 instance->do_set_name (n); | |
| 888 } | |
| 889 | |
| 3504 | 890 std::string |
| 891 command_editor::readline (const std::string& prompt) | |
| 2926 | 892 { |
| 3219 | 893 bool eof; |
| 894 | |
| 895 return readline (prompt, eof); | |
| 896 } | |
| 897 | |
| 3504 | 898 std::string |
| 899 command_editor::readline (const std::string& prompt, bool& eof) | |
| 3219 | 900 { |
| 2926 | 901 return (instance_ok ()) |
| 3504 | 902 ? instance->do_readline (prompt, eof) : std::string (); |
| 2926 | 903 } |
| 904 | |
| 905 void | |
| 906 command_editor::set_input_stream (FILE *f) | |
| 907 { | |
| 908 if (instance_ok ()) | |
| 909 instance->do_set_input_stream (f); | |
| 910 } | |
| 911 | |
| 912 FILE * | |
| 913 command_editor::get_input_stream (void) | |
| 914 { | |
| 915 return (instance_ok ()) | |
| 916 ? instance->do_get_input_stream () : 0; | |
| 917 } | |
| 918 | |
| 919 void | |
| 920 command_editor::set_output_stream (FILE *f) | |
| 921 { | |
| 922 if (instance_ok ()) | |
| 923 instance->do_set_output_stream (f); | |
| 924 } | |
| 925 | |
| 926 FILE * | |
| 927 command_editor::get_output_stream (void) | |
| 928 { | |
| 929 return (instance_ok ()) | |
| 930 ? instance->do_get_output_stream () : 0; | |
| 931 } | |
| 932 | |
| 933 int | |
| 934 command_editor::terminal_rows (void) | |
| 935 { | |
| 936 return (instance_ok ()) | |
| 937 ? instance->do_terminal_rows () : -1; | |
| 938 } | |
| 939 | |
| 940 int | |
| 941 command_editor::terminal_cols (void) | |
| 942 { | |
| 943 return (instance_ok ()) | |
| 944 ? instance->do_terminal_cols () : -1; | |
| 945 } | |
| 946 | |
| 947 void | |
| 948 command_editor::clear_screen (void) | |
| 949 { | |
| 950 if (instance_ok ()) | |
| 951 instance->do_clear_screen (); | |
| 952 } | |
| 953 | |
| 3281 | 954 void |
| 955 command_editor::resize_terminal (void) | |
| 956 { | |
| 957 if (instance_ok ()) | |
| 958 instance->do_resize_terminal (); | |
| 959 } | |
| 960 | |
| 3504 | 961 std::string |
| 962 command_editor::decode_prompt_string (const std::string& s) | |
| 2926 | 963 { |
| 964 return (instance_ok ()) | |
| 3504 | 965 ? instance->do_decode_prompt_string (s) : std::string (); |
| 2926 | 966 } |
| 967 | |
| 968 int | |
| 969 command_editor::current_command_number (void) | |
| 970 { | |
| 971 return (instance_ok ()) | |
| 972 ? instance->command_number : 0; | |
| 973 } | |
| 974 | |
| 975 void | |
| 976 command_editor::reset_current_command_number (int n) | |
| 977 { | |
| 978 if (instance_ok ()) | |
| 979 instance->command_number = n; | |
| 980 } | |
| 981 | |
| 982 void | |
| 2967 | 983 command_editor::increment_current_command_number (void) |
| 984 { | |
| 985 if (instance_ok ()) | |
| 986 instance->command_number++; | |
| 987 } | |
| 988 | |
| 989 void | |
| 2926 | 990 command_editor::restore_terminal_state (void) |
| 991 { | |
| 992 if (instance_ok ()) | |
| 993 instance->do_restore_terminal_state (); | |
| 994 } | |
| 995 | |
| 996 void | |
| 997 command_editor::blink_matching_paren (bool flag) | |
| 998 { | |
| 999 if (instance_ok ()) | |
| 1000 instance->do_blink_matching_paren (flag); | |
| 1001 } | |
| 1002 | |
| 1003 void | |
| 3933 | 1004 command_editor::set_basic_word_break_characters (const std::string& s) |
| 1005 { | |
| 1006 if (instance_ok ()) | |
| 1007 instance->do_set_basic_word_break_characters (s); | |
| 1008 } | |
| 1009 | |
| 1010 void | |
| 1011 command_editor::set_completer_word_break_characters (const std::string& s) | |
| 1012 { | |
| 1013 if (instance_ok ()) | |
| 1014 instance->do_set_completer_word_break_characters (s); | |
| 1015 } | |
| 1016 | |
| 1017 void | |
| 3504 | 1018 command_editor::set_basic_quote_characters (const std::string& s) |
| 2926 | 1019 { |
| 1020 if (instance_ok ()) | |
| 3004 | 1021 instance->do_set_basic_quote_characters (s); |
| 2926 | 1022 } |
| 1023 | |
| 1024 void | |
| 6979 | 1025 command_editor::set_filename_quote_characters (const std::string& s) |
| 1026 { | |
| 1027 if (instance_ok ()) | |
| 1028 instance->do_set_filename_quote_characters (s); | |
| 1029 } | |
| 1030 | |
| 1031 void | |
| 1032 command_editor::set_completer_quote_characters (const std::string& s) | |
| 1033 { | |
| 1034 if (instance_ok ()) | |
| 1035 instance->do_set_completer_quote_characters (s); | |
| 1036 } | |
| 1037 | |
| 1038 void | |
| 2926 | 1039 command_editor::set_completion_append_character (char c) |
| 1040 { | |
| 1041 if (instance_ok ()) | |
| 1042 instance->do_set_completion_append_character (c); | |
| 1043 } | |
| 1044 | |
| 1045 void | |
| 2941 | 1046 command_editor::set_completion_function (completion_fcn f) |
| 2926 | 1047 { |
| 1048 if (instance_ok ()) | |
| 2941 | 1049 instance->do_set_completion_function (f); |
| 1050 } | |
| 1051 | |
| 6979 | 1052 void |
| 1053 command_editor::set_quoting_function (quoting_fcn f) | |
| 1054 { | |
| 1055 if (instance_ok ()) | |
| 1056 instance->do_set_quoting_function (f); | |
| 1057 } | |
| 1058 | |
| 1059 void | |
| 1060 command_editor::set_dequoting_function (dequoting_fcn f) | |
| 1061 { | |
| 1062 if (instance_ok ()) | |
| 1063 instance->do_set_dequoting_function (f); | |
| 1064 } | |
| 1065 | |
| 1066 void | |
| 1067 command_editor::set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 1068 { | |
| 1069 if (instance_ok ()) | |
| 1070 instance->do_set_char_is_quoted_function (f); | |
| 1071 } | |
| 1072 | |
| 1073 void | |
| 1074 command_editor::set_user_accept_line_function (user_accept_line_fcn f) | |
| 1075 { | |
| 1076 if (instance_ok ()) | |
| 1077 instance->do_set_user_accept_line_function (f); | |
| 1078 } | |
| 1079 | |
| 2941 | 1080 command_editor::completion_fcn |
| 1081 command_editor::get_completion_function (void) | |
| 1082 { | |
| 1083 return (instance_ok ()) | |
| 1084 ? instance->do_get_completion_function () : 0; | |
| 2926 | 1085 } |
| 1086 | |
| 6979 | 1087 command_editor::quoting_fcn |
| 1088 command_editor::get_quoting_function (void) | |
| 1089 { | |
| 1090 return (instance_ok ()) | |
| 1091 ? instance->do_get_quoting_function () : 0; | |
| 1092 } | |
| 1093 | |
| 1094 command_editor::dequoting_fcn | |
| 1095 command_editor::get_dequoting_function (void) | |
| 1096 { | |
| 1097 return (instance_ok ()) | |
| 1098 ? instance->do_get_dequoting_function () : 0; | |
| 1099 } | |
| 1100 | |
| 1101 command_editor::char_is_quoted_fcn | |
| 1102 command_editor::get_char_is_quoted_function (void) | |
| 1103 { | |
| 1104 return (instance_ok ()) | |
| 1105 ? instance->do_get_char_is_quoted_function () : 0; | |
| 1106 } | |
| 1107 | |
| 1108 command_editor::user_accept_line_fcn | |
| 1109 command_editor::get_user_accept_line_function (void) | |
| 1110 { | |
| 1111 return (instance_ok ()) | |
| 1112 ? instance->do_get_user_accept_line_function () : 0; | |
| 1113 } | |
| 1114 | |
| 4604 | 1115 string_vector |
| 1116 command_editor::generate_filename_completions (const std::string& text) | |
| 1117 { | |
| 1118 return (instance_ok ()) | |
| 1119 ? instance->do_generate_filename_completions (text) : string_vector (); | |
| 1120 } | |
| 1121 | |
| 2926 | 1122 void |
| 3504 | 1123 command_editor::insert_text (const std::string& text) |
| 2926 | 1124 { |
| 1125 if (instance_ok ()) | |
| 1126 instance->do_insert_text (text); | |
| 1127 } | |
| 1128 | |
| 1129 void | |
| 1130 command_editor::newline (void) | |
| 1131 { | |
| 1132 if (instance_ok ()) | |
| 1133 instance->do_newline (); | |
| 1134 } | |
| 1135 | |
| 1136 void | |
| 6979 | 1137 command_editor::accept_line (void) |
| 1138 { | |
| 1139 if (instance_ok ()) | |
| 1140 instance->do_accept_line (); | |
| 1141 } | |
| 1142 | |
| 1143 void | |
| 2926 | 1144 command_editor::clear_undo_list (void) |
| 1145 { | |
| 1146 if (instance_ok ()) | |
| 1147 instance->do_clear_undo_list (); | |
| 1148 } | |
| 1149 | |
| 1150 void | |
| 6913 | 1151 command_editor::add_startup_hook (startup_hook_fcn f) |
| 2926 | 1152 { |
| 1153 if (instance_ok ()) | |
| 6913 | 1154 { |
| 1155 startup_hook_set.insert (f); | |
| 1156 | |
| 1157 instance->set_startup_hook (startup_handler); | |
| 1158 } | |
| 2926 | 1159 } |
| 1160 | |
| 1161 void | |
| 6913 | 1162 command_editor::remove_startup_hook (startup_hook_fcn f) |
| 2926 | 1163 { |
| 1164 if (instance_ok ()) | |
| 6913 | 1165 { |
| 1166 startup_hook_set_iterator p = startup_hook_set.find (f); | |
| 1167 | |
| 1168 if (p != startup_hook_set.end ()) | |
| 6916 | 1169 startup_hook_set.erase (p); |
| 6913 | 1170 |
| 1171 if (startup_hook_set.empty ()) | |
| 1172 instance->restore_startup_hook (); | |
| 1173 } | |
| 2926 | 1174 } |
| 1175 | |
| 3189 | 1176 void |
| 6913 | 1177 command_editor::add_event_hook (event_hook_fcn f) |
| 3215 | 1178 { |
|
7936
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Support for backend-to-octave event management
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changeset
|
1179 octave_autolock guard (event_hook_lock); |
|
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Support for backend-to-octave event management
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1180 |
| 3215 | 1181 if (instance_ok ()) |
| 6913 | 1182 { |
| 1183 event_hook_set.insert (f); | |
| 1184 | |
| 1185 instance->set_event_hook (event_handler); | |
| 1186 } | |
| 3215 | 1187 } |
| 1188 | |
| 1189 void | |
| 6913 | 1190 command_editor::remove_event_hook (event_hook_fcn f) |
| 3215 | 1191 { |
|
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Support for backend-to-octave event management
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parents:
7758
diff
changeset
|
1192 octave_autolock guard (event_hook_lock); |
|
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Support for backend-to-octave event management
John W. Eaton <jwe@octave.org>
parents:
7758
diff
changeset
|
1193 |
| 3215 | 1194 if (instance_ok ()) |
| 6913 | 1195 { |
| 1196 event_hook_set_iterator p = event_hook_set.find (f); | |
| 1197 | |
| 1198 if (p != event_hook_set.end ()) | |
| 1199 event_hook_set.erase (p); | |
| 1200 | |
| 1201 if (event_hook_set.empty ()) | |
| 1202 instance->restore_event_hook (); | |
| 1203 } | |
| 3215 | 1204 } |
| 1205 | |
| 1206 void | |
| 5872 | 1207 command_editor::read_init_file (const std::string& file_arg) |
| 3189 | 1208 { |
| 1209 if (instance_ok ()) | |
| 5872 | 1210 { |
| 1211 std::string file = file_ops::tilde_expand (file_arg); | |
| 1212 | |
| 1213 instance->do_read_init_file (file); | |
| 1214 } | |
| 3189 | 1215 } |
| 1216 | |
|
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|
1217 void |
|
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input.cc (Fre_read_readline_init_file): new function
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changeset
|
1218 command_editor::re_read_init_file (void) |
|
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input.cc (Fre_read_readline_init_file): new function
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parents:
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diff
changeset
|
1219 { |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
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parents:
7017
diff
changeset
|
1220 if (instance_ok ()) |
|
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input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1221 instance->do_re_read_init_file (); |
|
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input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1222 } |
|
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input.cc (Fre_read_readline_init_file): new function
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changeset
|
1223 |
| 4143 | 1224 bool |
| 1225 command_editor::filename_completion_desired (bool arg) | |
| 1226 { | |
| 1227 return (instance_ok ()) | |
| 1228 ? instance->do_filename_completion_desired (arg) : false; | |
| 1229 } | |
| 1230 | |
| 6979 | 1231 bool |
| 1232 command_editor::filename_quoting_desired (bool arg) | |
| 1233 { | |
| 1234 return (instance_ok ()) | |
| 1235 ? instance->do_filename_quoting_desired (arg) : false; | |
| 1236 } | |
| 1237 | |
| 2926 | 1238 // Return a string which will be printed as a prompt. The string may |
| 1239 // contain special characters which are decoded as follows: | |
| 1240 // | |
| 5442 | 1241 // \a bell (ascii 07) |
| 2926 | 1242 // \d the date |
| 5442 | 1243 // \e escape (ascii 033) |
| 1244 // \h the hostname up to the first `.' | |
| 1245 // \H the hostname | |
| 2926 | 1246 // \n CRLF |
| 5442 | 1247 // \r CR |
| 2926 | 1248 // \s the name of the shell (program) |
| 5442 | 1249 // \t the time |
| 1250 // \T the time in 12-hour hh:mm:ss format | |
| 1251 // \@ the time in 12-hour hh:mm am/pm format | |
| 1252 // \A the time in 24-hour hh:mm format | |
| 1253 // \u your username | |
| 2926 | 1254 // \w the current working directory |
| 1255 // \W the last element of PWD | |
| 5442 | 1256 // \! the history number of this command |
| 2926 | 1257 // \# the command number of this command |
| 1258 // \$ a $ or a # if you are root | |
| 5442 | 1259 // \nnn character code nnn in octal |
| 2926 | 1260 // \\ a backslash |
| 5442 | 1261 // \[ begin a sequence of non-printing chars |
| 1262 // \] end a sequence of non-printing chars | |
| 2926 | 1263 |
| 3504 | 1264 std::string |
| 1265 command_editor::do_decode_prompt_string (const std::string& s) | |
| 2926 | 1266 { |
| 3504 | 1267 std::string result; |
| 1268 std::string temp; | |
| 2926 | 1269 size_t i = 0; |
| 1270 size_t slen = s.length (); | |
| 1271 int c; | |
| 1272 | |
| 1273 while (i < slen) | |
| 1274 { | |
| 1275 c = s[i]; | |
| 1276 | |
| 1277 i++; | |
| 1278 | |
| 1279 if (c == '\\') | |
| 1280 { | |
| 1281 c = s[i]; | |
| 1282 | |
| 1283 switch (c) | |
| 1284 { | |
| 1285 case '0': | |
| 1286 case '1': | |
| 1287 case '2': | |
| 1288 case '3': | |
| 1289 case '4': | |
| 1290 case '5': | |
| 1291 case '6': | |
| 1292 case '7': | |
| 1293 // Maybe convert an octal number. | |
| 1294 { | |
| 1295 int n = read_octal (s.substr (i, 3)); | |
| 1296 | |
| 1297 temp = "\\"; | |
| 1298 | |
| 1299 if (n != -1) | |
| 1300 { | |
| 1301 i += 3; | |
| 1302 temp[0] = n; | |
| 1303 } | |
| 1304 | |
| 1305 c = 0; | |
| 1306 goto add_string; | |
| 1307 } | |
| 5442 | 1308 |
| 1309 case 'a': | |
| 1310 { | |
| 1311 temp = '\a'; | |
| 1312 | |
| 1313 goto add_string; | |
| 1314 } | |
| 1315 | |
| 1316 case 'e': | |
| 1317 { | |
| 1318 temp = '\033'; | |
| 1319 | |
| 1320 goto add_string; | |
| 1321 } | |
| 1322 | |
| 1323 case 'r': | |
| 1324 { | |
| 1325 temp = '\r'; | |
| 1326 | |
| 1327 goto add_string; | |
| 1328 } | |
| 1329 | |
| 1330 case 'd': | |
| 2926 | 1331 case 't': |
| 5442 | 1332 case 'T': |
| 1333 case '@': | |
| 1334 case 'A': | |
| 2926 | 1335 // Make the current time/date into a string. |
| 1336 { | |
| 5442 | 1337 octave_localtime now; |
| 2926 | 1338 |
| 5442 | 1339 if (c == 'd') |
| 1340 temp = now.strftime ("%a %b %d"); | |
| 1341 else if (c == 't') | |
| 1342 temp = now.strftime ("%H:%M:%S"); | |
| 1343 else if (c == 'T') | |
| 1344 temp = now.strftime ("%I:%M:%S"); | |
| 1345 else if (c == '@') | |
| 1346 temp = now.strftime ("%I:%M %p"); | |
| 1347 else if (c == 'A') | |
| 1348 temp = now.strftime ("%H:%M"); | |
| 2926 | 1349 |
| 1350 goto add_string; | |
| 1351 } | |
| 1352 | |
| 1353 case 'n': | |
| 1354 { | |
| 1355 temp = newline_chars (); | |
| 1356 | |
| 1357 goto add_string; | |
| 1358 } | |
| 1359 | |
| 1360 case 's': | |
| 1361 { | |
| 1362 temp = octave_env::get_program_name (); | |
| 1363 temp = octave_env::base_pathname (temp); | |
| 1364 | |
| 1365 goto add_string; | |
| 1366 } | |
| 5442 | 1367 |
| 2926 | 1368 case 'w': |
| 1369 case 'W': | |
| 1370 { | |
| 1371 temp = octave_env::getcwd (); | |
| 1372 | |
| 5442 | 1373 std::string home_dir = octave_env::get_home_directory (); |
| 1374 | |
| 1375 if (c == 'W' && (home_dir.empty () || temp != home_dir)) | |
| 2926 | 1376 { |
| 5442 | 1377 if (temp != "/" && temp != "//") |
| 1378 { | |
| 1379 size_t pos = temp.rfind ('/'); | |
| 2926 | 1380 |
| 8021 | 1381 if (pos != std::string::npos && pos != 0) |
| 5442 | 1382 temp = temp.substr (pos + 1); |
| 1383 } | |
| 2926 | 1384 } |
| 1385 else | |
| 1386 temp = octave_env::polite_directory_format (temp); | |
| 1387 | |
| 1388 goto add_string; | |
| 1389 } | |
| 5442 | 1390 |
| 2926 | 1391 case 'u': |
| 1392 { | |
| 1393 temp = octave_env::get_user_name (); | |
| 1394 | |
| 1395 goto add_string; | |
| 1396 } | |
| 1397 | |
| 1398 case 'H': | |
| 1399 { | |
| 1400 temp = octave_env::get_host_name (); | |
| 1401 | |
| 1402 goto add_string; | |
| 1403 } | |
| 1404 | |
| 1405 case 'h': | |
| 1406 { | |
| 1407 temp = octave_env::get_host_name (); | |
| 1408 | |
| 1409 size_t pos = temp.find ('.'); | |
| 1410 | |
| 8021 | 1411 if (pos != std::string::npos) |
| 2926 | 1412 temp.resize (pos); |
| 1413 | |
| 1414 goto add_string; | |
| 1415 } | |
| 1416 | |
| 1417 case '#': | |
| 1418 { | |
| 1419 char number_buffer[128]; | |
| 1420 sprintf (number_buffer, "%d", command_number); | |
| 1421 temp = number_buffer; | |
| 1422 | |
| 1423 goto add_string; | |
| 1424 } | |
| 1425 | |
| 1426 case '!': | |
| 1427 { | |
| 1428 char number_buffer[128]; | |
| 1429 int num = command_history::current_number (); | |
| 1430 if (num > 0) | |
| 1431 sprintf (number_buffer, "%d", num); | |
| 1432 else | |
| 1433 strcpy (number_buffer, "!"); | |
| 1434 temp = number_buffer; | |
| 1435 | |
| 1436 goto add_string; | |
| 1437 } | |
| 1438 | |
| 1439 case '$': | |
| 1440 { | |
| 4062 | 1441 #if defined (HAVE_GETEUID) |
| 2926 | 1442 temp = (::geteuid () == 0 ? "#" : "$"); |
| 4062 | 1443 #else |
| 1444 temp = "$"; | |
| 1445 #endif | |
| 2926 | 1446 |
| 1447 goto add_string; | |
| 1448 } | |
| 1449 | |
| 1450 #if defined (USE_READLINE) | |
| 1451 case '[': | |
| 1452 case ']': | |
| 1453 { | |
| 6940 | 1454 temp.resize (1); |
| 2926 | 1455 |
| 6940 | 1456 temp[0] = ((c == '[') |
| 3519 | 1457 ? ::octave_rl_prompt_start_ignore () |
| 1458 : ::octave_rl_prompt_end_ignore ()); | |
| 2926 | 1459 |
| 1460 goto add_string; | |
| 1461 } | |
| 1462 #endif | |
| 1463 | |
| 1464 case '\\': | |
| 1465 { | |
| 1466 temp = "\\"; | |
| 1467 | |
| 1468 goto add_string; | |
| 1469 } | |
| 1470 | |
| 1471 default: | |
| 1472 { | |
| 1473 temp = "\\ "; | |
| 1474 temp[1] = c; | |
| 1475 | |
| 1476 goto add_string; | |
| 1477 } | |
| 1478 | |
| 1479 add_string: | |
| 1480 { | |
| 1481 if (c) | |
| 1482 i++; | |
| 1483 | |
| 1484 result.append (temp); | |
| 1485 | |
| 1486 break; | |
| 1487 } | |
| 1488 } | |
| 1489 } | |
| 1490 else | |
| 1491 result += c; | |
| 1492 } | |
| 1493 | |
| 1494 return result; | |
| 1495 } | |
| 1496 | |
| 1497 // Return the octal number parsed from STRING, or -1 to indicate that | |
| 1498 // the string contained a bad number. | |
| 1499 | |
| 1500 int | |
| 3504 | 1501 command_editor::read_octal (const std::string& s) |
| 2926 | 1502 { |
| 1503 int result = 0; | |
| 1504 int digits = 0; | |
| 1505 | |
| 1506 size_t i = 0; | |
| 1507 size_t slen = s.length (); | |
| 1508 | |
| 1509 while (i < slen && s[i] >= '0' && s[i] < '8') | |
| 1510 { | |
| 1511 digits++; | |
| 1512 result = (result * 8) + s[i] - '0'; | |
| 1513 i++; | |
| 1514 } | |
| 1515 | |
| 1516 if (! digits || result > 0777 || i < slen) | |
| 1517 result = -1; | |
| 1518 | |
| 1519 return result; | |
| 1520 } | |
| 1521 | |
| 1522 void | |
| 1523 command_editor::error (int err_num) | |
| 1524 { | |
| 2941 | 1525 current_liboctave_error_handler ("%s", strerror (err_num)); |
| 2926 | 1526 } |
| 1527 | |
| 1528 void | |
| 3504 | 1529 command_editor::error (const std::string& s) |
| 2926 | 1530 { |
| 2941 | 1531 current_liboctave_error_handler ("%s", s.c_str ()); |
| 2926 | 1532 } |
| 1533 | |
| 1534 /* | |
| 1535 ;;; Local Variables: *** | |
| 1536 ;;; mode: C++ *** | |
| 1537 ;;; End: *** | |
| 1538 */ |