Mercurial > octave
annotate liboctave/cmd-edit.cc @ 7758:8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 05 May 2008 03:21:52 -0400 |
| parents | a1dbe9d80eee |
| children | 78400fde223e |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, |
| 4 2006, 2007 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" | |
| 3260 | 48 #include "oct-time.h" |
| 2926 | 49 |
| 50 command_editor *command_editor::instance = 0; | |
| 51 | |
| 6913 | 52 std::set<command_editor::startup_hook_fcn> command_editor::startup_hook_set; |
| 53 | |
| 54 std::set<command_editor::event_hook_fcn> command_editor::event_hook_set; | |
| 55 | |
| 2926 | 56 #if defined (USE_READLINE) |
| 57 | |
| 58 #include <cstdio> | |
| 59 #include <cstdlib> | |
| 60 | |
| 3519 | 61 #include "oct-rl-edit.h" |
| 2926 | 62 |
| 63 class | |
| 64 gnu_readline : public command_editor | |
| 65 { | |
| 66 public: | |
| 67 | |
| 3519 | 68 typedef command_editor::startup_hook_fcn startup_hook_fcn; |
| 69 | |
| 6913 | 70 typedef command_editor::event_hook_fcn event_hook_fcn; |
| 2926 | 71 |
| 2941 | 72 typedef command_editor::completion_fcn completion_fcn; |
| 73 | |
| 2926 | 74 gnu_readline (void); |
| 75 | |
| 76 ~gnu_readline (void) { } | |
| 77 | |
| 3504 | 78 void do_set_name (const std::string& n); |
| 2926 | 79 |
| 3504 | 80 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 81 |
| 82 void do_set_input_stream (FILE *f); | |
| 83 | |
| 84 FILE *do_get_input_stream (void); | |
| 85 | |
| 86 void do_set_output_stream (FILE *f); | |
| 87 | |
| 88 FILE *do_get_output_stream (void); | |
| 89 | |
| 90 int do_terminal_rows (void); | |
| 91 | |
| 92 int do_terminal_cols (void); | |
| 93 | |
| 94 void do_clear_screen (void); | |
| 95 | |
| 3281 | 96 void do_resize_terminal (void); |
| 97 | |
| 3504 | 98 std::string newline_chars (void); |
| 2926 | 99 |
| 100 void do_restore_terminal_state (void); | |
| 101 | |
| 102 void do_blink_matching_paren (bool flag); | |
| 103 | |
| 3933 | 104 void do_set_basic_word_break_characters (const std::string& s); |
| 105 | |
| 106 void do_set_completer_word_break_characters (const std::string& s); | |
| 107 | |
| 3504 | 108 void do_set_basic_quote_characters (const std::string& s); |
| 2926 | 109 |
| 6979 | 110 void do_set_filename_quote_characters (const std::string& s); |
| 111 | |
| 112 void do_set_completer_quote_characters (const std::string& s); | |
| 113 | |
| 2926 | 114 void do_set_completion_append_character (char c); |
| 115 | |
| 2941 | 116 void do_set_completion_function (completion_fcn f); |
| 117 | |
| 6979 | 118 void do_set_quoting_function (quoting_fcn f); |
| 119 | |
| 120 void do_set_dequoting_function (dequoting_fcn f); | |
| 121 | |
| 122 void do_set_char_is_quoted_function (char_is_quoted_fcn f); | |
| 123 | |
| 124 void do_set_user_accept_line_function (user_accept_line_fcn f); | |
| 125 | |
| 2941 | 126 completion_fcn do_get_completion_function (void) const; |
| 2926 | 127 |
| 6979 | 128 quoting_fcn do_get_quoting_function (void) const; |
| 129 | |
| 130 dequoting_fcn do_get_dequoting_function (void) const; | |
| 131 | |
| 132 char_is_quoted_fcn do_get_char_is_quoted_function (void) const; | |
| 133 | |
| 134 user_accept_line_fcn do_get_user_accept_line_function (void) const; | |
| 135 | |
| 4604 | 136 string_vector |
| 137 do_generate_filename_completions (const std::string& text); | |
| 138 | |
| 3504 | 139 void do_insert_text (const std::string& text); |
| 2926 | 140 |
| 141 void do_newline (void); | |
| 142 | |
| 6979 | 143 void do_accept_line (void); |
| 144 | |
| 2926 | 145 void do_clear_undo_list (void); |
| 146 | |
| 6913 | 147 void set_startup_hook (startup_hook_fcn f); |
| 148 | |
| 149 void restore_startup_hook (void); | |
| 2926 | 150 |
| 6913 | 151 void set_event_hook (event_hook_fcn f); |
| 2926 | 152 |
| 6913 | 153 void restore_event_hook (void); |
| 3215 | 154 |
| 155 void do_restore_event_hook (void); | |
| 156 | |
| 3504 | 157 void do_read_init_file (const std::string& file); |
| 3189 | 158 |
|
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
159 void do_re_read_init_file (void); |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
160 |
| 4143 | 161 bool do_filename_completion_desired (bool); |
| 162 | |
| 6979 | 163 bool do_filename_quoting_desired (bool); |
| 164 | |
| 3519 | 165 static int operate_and_get_next (int, int); |
| 2926 | 166 |
| 3951 | 167 static int history_search_backward (int, int); |
| 168 | |
| 169 static int history_search_forward (int, int); | |
| 170 | |
| 2926 | 171 private: |
| 172 | |
| 3519 | 173 startup_hook_fcn previous_startup_hook; |
| 2926 | 174 |
| 3519 | 175 event_hook_fcn previous_event_hook; |
| 3215 | 176 |
| 2941 | 177 completion_fcn completion_function; |
| 178 | |
| 6979 | 179 quoting_fcn quoting_function; |
| 180 | |
| 181 dequoting_fcn dequoting_function; | |
| 182 | |
| 183 char_is_quoted_fcn char_is_quoted_function; | |
| 184 | |
| 185 user_accept_line_fcn user_accept_line_function; | |
| 186 | |
| 2941 | 187 static char *command_generator (const char *text, int state); |
| 188 | |
| 6979 | 189 static char *command_quoter (char *text, int match_type, char *quote_pointer); |
| 190 static char *command_dequoter (char *text, int match_type); | |
| 191 | |
| 192 static int command_char_is_quoted (char *text, int index); | |
| 193 | |
| 194 static int command_accept_line (int count, int key); | |
| 195 | |
| 3519 | 196 static char **command_completer (const char *text, int start, int end); |
| 2926 | 197 }; |
| 198 | |
| 199 gnu_readline::gnu_readline () | |
| 3215 | 200 : command_editor (), previous_startup_hook (0), |
| 6979 | 201 previous_event_hook (0), completion_function (0), |
| 202 quoting_function (0), dequoting_function (0), | |
| 203 char_is_quoted_function (0), user_accept_line_function (0) | |
| 2926 | 204 { |
| 5775 | 205 // FIXME -- need interface to rl_add_defun, rl_initialize, and |
| 3519 | 206 // a function to set rl_terminal_name |
| 3225 | 207 |
| 3520 | 208 std::string term = octave_env::getenv ("TERM"); |
| 3519 | 209 |
| 210 octave_rl_set_terminal_name (term.c_str ()); | |
| 211 | |
| 212 octave_rl_initialize (); | |
| 2926 | 213 |
| 214 do_blink_matching_paren (true); | |
| 215 | |
| 5452 | 216 // Bind operate-and-get-next. |
| 2926 | 217 |
| 3519 | 218 octave_rl_add_defun ("operate-and-get-next", |
| 219 gnu_readline::operate_and_get_next, | |
| 220 octave_rl_ctrl ('O')); | |
| 2926 | 221 |
| 5452 | 222 // And the history search functions. |
| 2926 | 223 |
| 3519 | 224 octave_rl_add_defun ("history-search-backward", |
| 3951 | 225 gnu_readline::history_search_backward, |
| 3519 | 226 octave_rl_meta ('P')); |
| 2926 | 227 |
| 3519 | 228 octave_rl_add_defun ("history-search-forward", |
| 3951 | 229 gnu_readline::history_search_forward, |
| 3519 | 230 octave_rl_meta ('N')); |
| 2926 | 231 } |
| 232 | |
| 233 void | |
| 3519 | 234 gnu_readline::do_set_name (const std::string& nm) |
| 2926 | 235 { |
| 3519 | 236 ::octave_rl_set_name (nm.c_str ()); |
| 2926 | 237 } |
| 238 | |
| 3504 | 239 std::string |
| 240 gnu_readline::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 241 { |
| 3504 | 242 std::string retval; |
| 2926 | 243 |
| 3219 | 244 eof = false; |
| 245 | |
| 5247 | 246 char *line = 0; |
| 247 | |
| 5336 | 248 const char *p = prompt.c_str (); |
| 249 | |
| 5452 | 250 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 5247 | 251 |
| 5336 | 252 line = ::octave_rl_readline (p); |
| 5247 | 253 |
| 5452 | 254 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 2926 | 255 |
| 256 if (line) | |
| 257 { | |
| 258 retval = line; | |
| 259 | |
| 260 free (line); | |
| 261 } | |
| 3219 | 262 else |
| 263 eof = true; | |
| 2926 | 264 |
| 265 return retval; | |
| 266 } | |
| 267 | |
| 268 void | |
| 269 gnu_readline::do_set_input_stream (FILE *f) | |
| 270 { | |
| 3519 | 271 ::octave_rl_set_input_stream (f); |
| 2926 | 272 } |
| 273 | |
| 274 FILE * | |
| 275 gnu_readline::do_get_input_stream (void) | |
| 276 { | |
| 3519 | 277 return ::octave_rl_get_input_stream (); |
| 2926 | 278 } |
| 279 | |
| 280 void | |
| 281 gnu_readline::do_set_output_stream (FILE *f) | |
| 282 { | |
| 3519 | 283 ::octave_rl_set_output_stream (f); |
| 2926 | 284 } |
| 285 | |
| 286 FILE * | |
| 287 gnu_readline::do_get_output_stream (void) | |
| 288 { | |
| 3519 | 289 return ::octave_rl_get_output_stream (); |
| 2926 | 290 } |
| 291 | |
| 292 // GNU readline handles SIGWINCH, so these values have a good chance | |
| 293 // of being correct even if the window changes size (they may be | |
| 294 // wrong if, for example, the luser changes the window size while the | |
| 295 // pager is running, and the signal is handled by the pager instead of | |
| 296 // us. | |
| 297 | |
| 298 int | |
| 299 gnu_readline::do_terminal_rows (void) | |
| 300 { | |
| 3519 | 301 int sh = ::octave_rl_screen_height (); |
| 302 | |
| 303 return sh > 0 ? sh : 24; | |
| 2926 | 304 } |
| 305 | |
| 306 int | |
| 307 gnu_readline::do_terminal_cols (void) | |
| 308 { | |
| 3519 | 309 int sw = ::octave_rl_screen_width (); |
| 310 | |
| 311 return sw > 0 ? sw : 80; | |
| 2926 | 312 } |
| 313 | |
| 314 void | |
| 315 gnu_readline::do_clear_screen (void) | |
| 316 { | |
| 3519 | 317 ::octave_rl_clear_screen (); |
| 2926 | 318 } |
| 319 | |
| 3281 | 320 void |
| 321 gnu_readline::do_resize_terminal (void) | |
| 322 { | |
| 3519 | 323 ::octave_rl_resize_terminal (); |
| 3281 | 324 } |
| 325 | |
| 3504 | 326 std::string |
| 2926 | 327 gnu_readline::newline_chars (void) |
| 328 { | |
| 329 return "\r\n"; | |
| 330 } | |
| 331 | |
| 332 void | |
| 333 gnu_readline::do_restore_terminal_state (void) | |
| 334 { | |
| 3519 | 335 ::octave_rl_restore_terminal_state (); |
| 2926 | 336 } |
| 337 | |
| 338 void | |
| 339 gnu_readline::do_blink_matching_paren (bool flag) | |
| 340 { | |
| 3779 | 341 ::octave_rl_enable_paren_matching (flag ? 1 : 0); |
| 2926 | 342 } |
| 343 | |
| 344 void | |
| 3933 | 345 gnu_readline::do_set_basic_word_break_characters (const std::string& s) |
| 346 { | |
| 347 ::octave_rl_set_basic_word_break_characters (s.c_str ()); | |
| 348 } | |
| 349 | |
| 350 void | |
| 351 gnu_readline::do_set_completer_word_break_characters (const std::string& s) | |
| 352 { | |
| 353 ::octave_rl_set_completer_word_break_characters (s.c_str ()); | |
| 354 } | |
| 355 | |
| 356 void | |
| 3504 | 357 gnu_readline::do_set_basic_quote_characters (const std::string& s) |
| 2926 | 358 { |
| 3519 | 359 ::octave_rl_set_basic_quote_characters (s.c_str ()); |
| 2926 | 360 } |
| 361 | |
| 362 void | |
| 6979 | 363 gnu_readline::do_set_filename_quote_characters (const std::string& s) |
| 364 { | |
| 365 ::octave_rl_set_filename_quote_characters (s.c_str ()); | |
| 366 } | |
| 367 | |
| 368 void | |
| 369 gnu_readline::do_set_completer_quote_characters (const std::string& s) | |
| 370 { | |
| 371 ::octave_rl_set_completer_quote_characters (s.c_str ()); | |
| 372 } | |
| 373 | |
| 374 void | |
| 2926 | 375 gnu_readline::do_set_completion_append_character (char c) |
| 376 { | |
| 3519 | 377 ::octave_rl_set_completion_append_character (c); |
| 2926 | 378 } |
| 379 | |
| 380 void | |
| 2941 | 381 gnu_readline::do_set_completion_function (completion_fcn f) |
| 2926 | 382 { |
| 2941 | 383 completion_function = f; |
| 384 | |
| 3519 | 385 rl_attempted_completion_fcn_ptr fp |
| 386 = f ? gnu_readline::command_completer : 0; | |
| 2941 | 387 |
| 3519 | 388 ::octave_rl_set_completion_function (fp); |
| 2941 | 389 } |
| 390 | |
| 6979 | 391 void |
| 392 gnu_readline::do_set_quoting_function (quoting_fcn f) | |
| 393 { | |
| 394 quoting_function = f; | |
| 395 | |
| 396 rl_quoting_fcn_ptr fp | |
| 397 = f ? gnu_readline::command_quoter : 0; | |
| 398 | |
| 399 ::octave_rl_set_quoting_function (fp); | |
| 400 } | |
| 401 | |
| 402 void | |
| 403 gnu_readline::do_set_dequoting_function (dequoting_fcn f) | |
| 404 { | |
| 405 dequoting_function = f; | |
| 406 | |
| 407 rl_dequoting_fcn_ptr fp | |
| 408 = f ? gnu_readline::command_dequoter : 0; | |
| 409 | |
| 410 ::octave_rl_set_dequoting_function (fp); | |
| 411 } | |
| 412 | |
| 413 void | |
| 414 gnu_readline::do_set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 415 { | |
| 416 char_is_quoted_function = f; | |
| 417 | |
| 418 rl_char_is_quoted_fcn_ptr fp | |
| 419 = f ? gnu_readline::command_char_is_quoted : 0; | |
| 420 | |
| 421 ::octave_rl_set_char_is_quoted_function (fp); | |
| 422 } | |
| 423 | |
| 424 void | |
| 425 gnu_readline::do_set_user_accept_line_function (user_accept_line_fcn f) | |
| 426 { | |
| 427 user_accept_line_function = f; | |
| 428 | |
| 429 if (f) | |
| 430 octave_rl_add_defun ("accept-line", gnu_readline::command_accept_line, | |
| 431 ::octave_rl_ctrl ('M')); | |
| 432 else | |
| 433 octave_rl_add_defun ("accept-line", ::octave_rl_newline, | |
| 434 ::octave_rl_ctrl ('M')); | |
| 435 } | |
| 436 | |
| 2941 | 437 gnu_readline::completion_fcn |
| 438 gnu_readline::do_get_completion_function (void) const | |
| 439 { | |
| 440 return completion_function; | |
| 2926 | 441 } |
| 442 | |
| 6979 | 443 gnu_readline::quoting_fcn |
| 444 gnu_readline::do_get_quoting_function (void) const | |
| 445 { | |
| 446 return quoting_function; | |
| 447 } | |
| 448 | |
| 449 gnu_readline::dequoting_fcn | |
| 450 gnu_readline::do_get_dequoting_function (void) const | |
| 451 { | |
| 452 return dequoting_function; | |
| 453 } | |
| 454 | |
| 455 gnu_readline::char_is_quoted_fcn | |
| 456 gnu_readline::do_get_char_is_quoted_function (void) const | |
| 457 { | |
| 458 return char_is_quoted_function; | |
| 459 } | |
| 460 | |
| 461 gnu_readline::user_accept_line_fcn | |
| 462 gnu_readline::do_get_user_accept_line_function (void) const | |
| 463 { | |
| 464 return user_accept_line_function; | |
| 465 } | |
| 466 | |
| 4604 | 467 string_vector |
| 468 gnu_readline::do_generate_filename_completions (const std::string& text) | |
| 469 { | |
| 470 string_vector retval; | |
| 471 | |
| 472 int n = 0; | |
| 473 int count = 0; | |
| 474 | |
| 475 char *fn = 0; | |
| 476 | |
| 477 while (1) | |
| 478 { | |
| 479 fn = ::octave_rl_filename_completion_function (text.c_str (), count); | |
| 480 | |
| 481 if (fn) | |
| 482 { | |
| 483 if (count == n) | |
| 484 { | |
| 485 // Famous last words: Most large directories will not | |
| 486 // have more than a few hundred files, so we should not | |
| 487 // resize too many times even if the growth is linear... | |
| 488 | |
| 489 n += 100; | |
| 490 retval.resize (n); | |
| 491 } | |
| 492 | |
| 493 retval[count++] = fn; | |
| 494 | |
| 495 free (fn); | |
| 496 } | |
| 497 else | |
| 498 break; | |
| 499 } | |
| 500 | |
| 501 retval.resize (count); | |
| 502 | |
| 503 return retval; | |
| 504 } | |
| 505 | |
| 2926 | 506 void |
| 3504 | 507 gnu_readline::do_insert_text (const std::string& text) |
| 2926 | 508 { |
| 3519 | 509 ::octave_rl_insert_text (text.c_str ()); |
| 2926 | 510 } |
| 511 | |
| 512 void | |
| 513 gnu_readline::do_newline (void) | |
| 514 { | |
| 6979 | 515 ::octave_rl_newline (1, '\n'); |
| 516 } | |
| 517 | |
| 518 void | |
| 519 gnu_readline::do_accept_line (void) | |
| 520 { | |
| 521 command_accept_line (1, '\n'); | |
| 2926 | 522 } |
| 523 | |
| 524 void | |
| 525 gnu_readline::do_clear_undo_list () | |
| 526 { | |
| 3519 | 527 ::octave_rl_clear_undo_list (); |
| 2926 | 528 } |
| 529 | |
| 530 void | |
| 6913 | 531 gnu_readline::set_startup_hook (startup_hook_fcn f) |
| 2926 | 532 { |
| 3519 | 533 previous_startup_hook = ::octave_rl_get_startup_hook (); |
| 2926 | 534 |
| 6917 | 535 if (f != previous_startup_hook) |
| 536 ::octave_rl_set_startup_hook (f); | |
| 2926 | 537 } |
| 538 | |
| 539 void | |
| 6913 | 540 gnu_readline::restore_startup_hook (void) |
| 2926 | 541 { |
| 3519 | 542 ::octave_rl_set_startup_hook (previous_startup_hook); |
| 2926 | 543 } |
| 544 | |
| 545 void | |
| 6913 | 546 gnu_readline::set_event_hook (event_hook_fcn f) |
| 3215 | 547 { |
| 3519 | 548 previous_event_hook = octave_rl_get_event_hook (); |
| 3215 | 549 |
| 3519 | 550 ::octave_rl_set_event_hook (f); |
| 3215 | 551 } |
| 552 | |
| 553 void | |
| 6913 | 554 gnu_readline::restore_event_hook (void) |
| 3215 | 555 { |
| 3519 | 556 ::octave_rl_set_event_hook (previous_event_hook); |
| 3215 | 557 } |
| 558 | |
| 559 void | |
| 3504 | 560 gnu_readline::do_read_init_file (const std::string& file) |
| 3189 | 561 { |
| 3519 | 562 ::octave_rl_read_init_file (file.c_str ()); |
| 3189 | 563 } |
| 564 | |
|
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
565 void |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
566 gnu_readline::do_re_read_init_file (void) |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
567 { |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
568 ::octave_rl_re_read_init_file (); |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
569 } |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
570 |
| 4143 | 571 bool |
| 572 gnu_readline::do_filename_completion_desired (bool arg) | |
| 573 { | |
| 574 return ::octave_rl_filename_completion_desired (arg); | |
| 575 } | |
| 576 | |
| 6979 | 577 bool |
| 578 gnu_readline::do_filename_quoting_desired (bool arg) | |
| 579 { | |
| 580 return ::octave_rl_filename_quoting_desired (arg); | |
| 581 } | |
| 582 | |
| 3519 | 583 int |
| 2926 | 584 gnu_readline::operate_and_get_next (int /* count */, int /* c */) |
| 585 { | |
| 586 // Accept the current line. | |
| 587 | |
| 6979 | 588 command_editor::accept_line (); |
| 2926 | 589 |
| 590 // Find the current line, and find the next line to use. | |
| 591 | |
| 592 int x_where = command_history::where (); | |
| 593 | |
| 594 int x_length = command_history::length (); | |
| 595 | |
| 596 if ((command_history::is_stifled () | |
| 597 && (x_length >= command_history::max_input_history ())) | |
| 598 || (x_where >= x_length - 1)) | |
| 599 command_history::set_mark (x_where); | |
| 600 else | |
| 601 command_history::set_mark (x_where + 1); | |
| 602 | |
| 6913 | 603 command_editor::add_startup_hook (command_history::goto_mark); |
| 3519 | 604 |
| 605 return 0; | |
| 2926 | 606 } |
| 607 | |
| 3951 | 608 int |
| 609 gnu_readline::history_search_backward (int count, int c) | |
| 610 { | |
| 611 return octave_rl_history_search_backward (count, c); | |
| 612 } | |
| 613 | |
| 614 int | |
| 615 gnu_readline::history_search_forward (int count, int c) | |
| 616 { | |
| 617 return octave_rl_history_search_forward (count, c); | |
| 618 } | |
| 619 | |
| 2941 | 620 char * |
| 621 gnu_readline::command_generator (const char *text, int state) | |
| 622 { | |
| 623 char *retval = 0; | |
| 624 | |
| 625 completion_fcn f = command_editor::get_completion_function (); | |
| 626 | |
| 3504 | 627 std::string tmp = f (text, state); |
| 2941 | 628 |
| 629 size_t len = tmp.length (); | |
| 630 | |
| 631 if (len > 0) | |
| 632 { | |
| 633 retval = static_cast<char *> (malloc (len+1)); | |
| 634 | |
| 635 strcpy (retval, tmp.c_str ()); | |
| 636 } | |
| 637 | |
| 638 return retval; | |
| 639 } | |
| 640 | |
| 6979 | 641 char * |
| 642 gnu_readline::command_quoter (char *text, int matches, char *qcp) | |
| 643 { | |
| 644 char *retval = 0; | |
| 645 | |
| 646 quoting_fcn f = command_editor::get_quoting_function (); | |
| 647 | |
| 648 std::string tmp = f (text, matches, *qcp); | |
| 649 | |
| 650 size_t len = tmp.length (); | |
| 651 | |
| 652 if (len > 0) | |
| 653 { | |
| 654 retval = static_cast<char *> (malloc (len+1)); | |
| 655 | |
| 656 strcpy (retval, tmp.c_str ()); | |
| 657 } | |
| 658 | |
| 659 return retval; | |
| 660 } | |
| 661 | |
| 662 char * | |
| 663 gnu_readline::command_dequoter (char *text, int quote) | |
| 664 { | |
| 665 char *retval = 0; | |
| 666 | |
| 667 dequoting_fcn f = command_editor::get_dequoting_function (); | |
| 668 | |
| 669 std::string tmp = f (text, quote); | |
| 670 | |
| 671 size_t len = tmp.length (); | |
| 672 | |
| 673 if (len > 0) | |
| 674 { | |
| 675 retval = static_cast<char *> (malloc (len+1)); | |
| 676 | |
| 677 strcpy (retval, tmp.c_str ()); | |
| 678 } | |
| 679 | |
| 680 return retval; | |
| 681 } | |
| 682 | |
| 683 int | |
| 684 gnu_readline::command_char_is_quoted (char *text, int quote) | |
| 685 { | |
| 686 char_is_quoted_fcn f = command_editor::get_char_is_quoted_function (); | |
| 687 | |
| 688 return f (text, quote); | |
| 689 } | |
| 690 | |
| 691 int | |
| 692 gnu_readline::command_accept_line (int count, int key) | |
| 693 { | |
| 694 user_accept_line_fcn f = command_editor::get_user_accept_line_function (); | |
| 695 | |
| 696 if (f) | |
| 697 f (::octave_rl_line_buffer ()); | |
| 698 | |
| 699 ::octave_rl_redisplay (); | |
| 700 | |
| 701 return ::octave_rl_newline (count, key); | |
| 702 } | |
| 703 | |
| 2941 | 704 char ** |
| 3519 | 705 gnu_readline::command_completer (const char *text, int, int) |
| 2941 | 706 { |
| 707 char **matches = 0; | |
| 3519 | 708 matches |
| 709 = ::octave_rl_completion_matches (text, gnu_readline::command_generator); | |
| 2941 | 710 return matches; |
| 711 } | |
| 712 | |
| 2926 | 713 #endif |
| 714 | |
| 715 class | |
| 716 default_command_editor : public command_editor | |
| 717 { | |
| 718 public: | |
| 719 | |
| 720 default_command_editor (void) | |
| 721 : command_editor (), input_stream (stdin), output_stream (stdout) { } | |
| 722 | |
| 723 ~default_command_editor (void) { } | |
| 724 | |
| 3504 | 725 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 726 |
| 727 void do_set_input_stream (FILE *f); | |
| 728 | |
| 729 FILE *do_get_input_stream (void); | |
| 730 | |
| 731 void do_set_output_stream (FILE *f); | |
| 732 | |
| 733 FILE *do_get_output_stream (void); | |
| 734 | |
| 4604 | 735 string_vector do_generate_filename_completions (const std::string& text); |
| 736 | |
| 3504 | 737 void do_insert_text (const std::string&); |
| 2926 | 738 |
| 739 void do_newline (void); | |
| 740 | |
| 6979 | 741 void do_accept_line (void); |
| 742 | |
| 2926 | 743 private: |
| 744 | |
| 745 FILE *input_stream; | |
| 746 | |
| 747 FILE *output_stream; | |
| 748 }; | |
| 749 | |
| 3504 | 750 std::string |
| 751 default_command_editor::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 752 { |
| 753 fprintf (output_stream, prompt.c_str ()); | |
| 754 fflush (output_stream); | |
| 755 | |
| 4527 | 756 return octave_fgetl (input_stream, eof); |
| 2926 | 757 } |
| 758 | |
| 759 void | |
| 760 default_command_editor::do_set_input_stream (FILE *f) | |
| 761 { | |
| 762 input_stream = f; | |
| 763 } | |
| 764 | |
| 765 FILE * | |
| 766 default_command_editor::do_get_input_stream (void) | |
| 767 { | |
| 768 return input_stream; | |
| 769 } | |
| 770 | |
| 771 void | |
| 772 default_command_editor::do_set_output_stream (FILE *f) | |
| 773 { | |
| 774 output_stream = f; | |
| 775 } | |
| 776 | |
| 777 FILE * | |
| 778 default_command_editor::do_get_output_stream (void) | |
| 779 { | |
| 780 return output_stream; | |
| 781 } | |
| 782 | |
| 4604 | 783 string_vector |
| 4663 | 784 default_command_editor::do_generate_filename_completions (const std::string&) |
| 4604 | 785 { |
| 5775 | 786 // FIXME |
| 4604 | 787 return string_vector (); |
| 788 } | |
| 789 | |
| 2926 | 790 void |
| 3504 | 791 default_command_editor::do_insert_text (const std::string&) |
| 2926 | 792 { |
| 5775 | 793 // FIXME |
| 2926 | 794 } |
| 795 | |
| 796 void | |
| 797 default_command_editor::do_newline (void) | |
| 798 { | |
| 5775 | 799 // FIXME |
| 2926 | 800 } |
| 801 | |
| 6979 | 802 void |
| 803 default_command_editor::do_accept_line (void) | |
| 804 { | |
| 805 // FIXME | |
| 806 } | |
| 807 | |
| 2926 | 808 bool |
| 809 command_editor::instance_ok (void) | |
| 810 { | |
| 811 bool retval = true; | |
| 812 | |
| 813 if (! instance) | |
| 814 make_command_editor (); | |
| 815 | |
| 816 if (! instance) | |
| 817 { | |
| 2941 | 818 current_liboctave_error_handler |
| 2926 | 819 ("unable to create command history object!"); |
| 820 | |
| 821 retval = false; | |
| 822 } | |
| 823 | |
| 824 return retval; | |
| 825 } | |
| 826 | |
| 827 void | |
| 828 command_editor::make_command_editor (void) | |
| 829 { | |
| 830 #if defined (USE_READLINE) | |
| 831 instance = new gnu_readline (); | |
| 832 #else | |
| 833 instance = new default_command_editor (); | |
| 834 #endif | |
| 835 } | |
| 836 | |
| 6913 | 837 int |
| 838 command_editor::startup_handler (void) | |
| 839 { | |
| 840 for (startup_hook_set_iterator p = startup_hook_set.begin (); | |
| 841 p != startup_hook_set.end (); p++) | |
| 842 { | |
| 843 startup_hook_fcn f = *p; | |
| 844 | |
| 845 if (f) | |
| 846 f (); | |
| 847 } | |
| 848 | |
| 849 return 0; | |
| 850 } | |
| 851 | |
| 852 int | |
| 853 command_editor::event_handler (void) | |
| 854 { | |
| 855 for (event_hook_set_iterator p = event_hook_set.begin (); | |
| 856 p != event_hook_set.end (); p++) | |
| 857 { | |
| 858 event_hook_fcn f = *p; | |
| 859 | |
| 860 if (f) | |
| 861 f (); | |
| 862 } | |
| 863 | |
| 864 return 0; | |
| 865 } | |
| 866 | |
| 2926 | 867 void |
| 3504 | 868 command_editor::set_name (const std::string& n) |
| 2926 | 869 { |
| 870 if (instance_ok ()) | |
| 871 instance->do_set_name (n); | |
| 872 } | |
| 873 | |
| 3504 | 874 std::string |
| 875 command_editor::readline (const std::string& prompt) | |
| 2926 | 876 { |
| 3219 | 877 bool eof; |
| 878 | |
| 879 return readline (prompt, eof); | |
| 880 } | |
| 881 | |
| 3504 | 882 std::string |
| 883 command_editor::readline (const std::string& prompt, bool& eof) | |
| 3219 | 884 { |
| 2926 | 885 return (instance_ok ()) |
| 3504 | 886 ? instance->do_readline (prompt, eof) : std::string (); |
| 2926 | 887 } |
| 888 | |
| 889 void | |
| 890 command_editor::set_input_stream (FILE *f) | |
| 891 { | |
| 892 if (instance_ok ()) | |
| 893 instance->do_set_input_stream (f); | |
| 894 } | |
| 895 | |
| 896 FILE * | |
| 897 command_editor::get_input_stream (void) | |
| 898 { | |
| 899 return (instance_ok ()) | |
| 900 ? instance->do_get_input_stream () : 0; | |
| 901 } | |
| 902 | |
| 903 void | |
| 904 command_editor::set_output_stream (FILE *f) | |
| 905 { | |
| 906 if (instance_ok ()) | |
| 907 instance->do_set_output_stream (f); | |
| 908 } | |
| 909 | |
| 910 FILE * | |
| 911 command_editor::get_output_stream (void) | |
| 912 { | |
| 913 return (instance_ok ()) | |
| 914 ? instance->do_get_output_stream () : 0; | |
| 915 } | |
| 916 | |
| 917 int | |
| 918 command_editor::terminal_rows (void) | |
| 919 { | |
| 920 return (instance_ok ()) | |
| 921 ? instance->do_terminal_rows () : -1; | |
| 922 } | |
| 923 | |
| 924 int | |
| 925 command_editor::terminal_cols (void) | |
| 926 { | |
| 927 return (instance_ok ()) | |
| 928 ? instance->do_terminal_cols () : -1; | |
| 929 } | |
| 930 | |
| 931 void | |
| 932 command_editor::clear_screen (void) | |
| 933 { | |
| 934 if (instance_ok ()) | |
| 935 instance->do_clear_screen (); | |
| 936 } | |
| 937 | |
| 3281 | 938 void |
| 939 command_editor::resize_terminal (void) | |
| 940 { | |
| 941 if (instance_ok ()) | |
| 942 instance->do_resize_terminal (); | |
| 943 } | |
| 944 | |
| 3504 | 945 std::string |
| 946 command_editor::decode_prompt_string (const std::string& s) | |
| 2926 | 947 { |
| 948 return (instance_ok ()) | |
| 3504 | 949 ? instance->do_decode_prompt_string (s) : std::string (); |
| 2926 | 950 } |
| 951 | |
| 952 int | |
| 953 command_editor::current_command_number (void) | |
| 954 { | |
| 955 return (instance_ok ()) | |
| 956 ? instance->command_number : 0; | |
| 957 } | |
| 958 | |
| 959 void | |
| 960 command_editor::reset_current_command_number (int n) | |
| 961 { | |
| 962 if (instance_ok ()) | |
| 963 instance->command_number = n; | |
| 964 } | |
| 965 | |
| 966 void | |
| 2967 | 967 command_editor::increment_current_command_number (void) |
| 968 { | |
| 969 if (instance_ok ()) | |
| 970 instance->command_number++; | |
| 971 } | |
| 972 | |
| 973 void | |
| 2926 | 974 command_editor::restore_terminal_state (void) |
| 975 { | |
| 976 if (instance_ok ()) | |
| 977 instance->do_restore_terminal_state (); | |
| 978 } | |
| 979 | |
| 980 void | |
| 981 command_editor::blink_matching_paren (bool flag) | |
| 982 { | |
| 983 if (instance_ok ()) | |
| 984 instance->do_blink_matching_paren (flag); | |
| 985 } | |
| 986 | |
| 987 void | |
| 3933 | 988 command_editor::set_basic_word_break_characters (const std::string& s) |
| 989 { | |
| 990 if (instance_ok ()) | |
| 991 instance->do_set_basic_word_break_characters (s); | |
| 992 } | |
| 993 | |
| 994 void | |
| 995 command_editor::set_completer_word_break_characters (const std::string& s) | |
| 996 { | |
| 997 if (instance_ok ()) | |
| 998 instance->do_set_completer_word_break_characters (s); | |
| 999 } | |
| 1000 | |
| 1001 void | |
| 3504 | 1002 command_editor::set_basic_quote_characters (const std::string& s) |
| 2926 | 1003 { |
| 1004 if (instance_ok ()) | |
| 3004 | 1005 instance->do_set_basic_quote_characters (s); |
| 2926 | 1006 } |
| 1007 | |
| 1008 void | |
| 6979 | 1009 command_editor::set_filename_quote_characters (const std::string& s) |
| 1010 { | |
| 1011 if (instance_ok ()) | |
| 1012 instance->do_set_filename_quote_characters (s); | |
| 1013 } | |
| 1014 | |
| 1015 void | |
| 1016 command_editor::set_completer_quote_characters (const std::string& s) | |
| 1017 { | |
| 1018 if (instance_ok ()) | |
| 1019 instance->do_set_completer_quote_characters (s); | |
| 1020 } | |
| 1021 | |
| 1022 void | |
| 2926 | 1023 command_editor::set_completion_append_character (char c) |
| 1024 { | |
| 1025 if (instance_ok ()) | |
| 1026 instance->do_set_completion_append_character (c); | |
| 1027 } | |
| 1028 | |
| 1029 void | |
| 2941 | 1030 command_editor::set_completion_function (completion_fcn f) |
| 2926 | 1031 { |
| 1032 if (instance_ok ()) | |
| 2941 | 1033 instance->do_set_completion_function (f); |
| 1034 } | |
| 1035 | |
| 6979 | 1036 void |
| 1037 command_editor::set_quoting_function (quoting_fcn f) | |
| 1038 { | |
| 1039 if (instance_ok ()) | |
| 1040 instance->do_set_quoting_function (f); | |
| 1041 } | |
| 1042 | |
| 1043 void | |
| 1044 command_editor::set_dequoting_function (dequoting_fcn f) | |
| 1045 { | |
| 1046 if (instance_ok ()) | |
| 1047 instance->do_set_dequoting_function (f); | |
| 1048 } | |
| 1049 | |
| 1050 void | |
| 1051 command_editor::set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 1052 { | |
| 1053 if (instance_ok ()) | |
| 1054 instance->do_set_char_is_quoted_function (f); | |
| 1055 } | |
| 1056 | |
| 1057 void | |
| 1058 command_editor::set_user_accept_line_function (user_accept_line_fcn f) | |
| 1059 { | |
| 1060 if (instance_ok ()) | |
| 1061 instance->do_set_user_accept_line_function (f); | |
| 1062 } | |
| 1063 | |
| 2941 | 1064 command_editor::completion_fcn |
| 1065 command_editor::get_completion_function (void) | |
| 1066 { | |
| 1067 return (instance_ok ()) | |
| 1068 ? instance->do_get_completion_function () : 0; | |
| 2926 | 1069 } |
| 1070 | |
| 6979 | 1071 command_editor::quoting_fcn |
| 1072 command_editor::get_quoting_function (void) | |
| 1073 { | |
| 1074 return (instance_ok ()) | |
| 1075 ? instance->do_get_quoting_function () : 0; | |
| 1076 } | |
| 1077 | |
| 1078 command_editor::dequoting_fcn | |
| 1079 command_editor::get_dequoting_function (void) | |
| 1080 { | |
| 1081 return (instance_ok ()) | |
| 1082 ? instance->do_get_dequoting_function () : 0; | |
| 1083 } | |
| 1084 | |
| 1085 command_editor::char_is_quoted_fcn | |
| 1086 command_editor::get_char_is_quoted_function (void) | |
| 1087 { | |
| 1088 return (instance_ok ()) | |
| 1089 ? instance->do_get_char_is_quoted_function () : 0; | |
| 1090 } | |
| 1091 | |
| 1092 command_editor::user_accept_line_fcn | |
| 1093 command_editor::get_user_accept_line_function (void) | |
| 1094 { | |
| 1095 return (instance_ok ()) | |
| 1096 ? instance->do_get_user_accept_line_function () : 0; | |
| 1097 } | |
| 1098 | |
| 4604 | 1099 string_vector |
| 1100 command_editor::generate_filename_completions (const std::string& text) | |
| 1101 { | |
| 1102 return (instance_ok ()) | |
| 1103 ? instance->do_generate_filename_completions (text) : string_vector (); | |
| 1104 } | |
| 1105 | |
| 2926 | 1106 void |
| 3504 | 1107 command_editor::insert_text (const std::string& text) |
| 2926 | 1108 { |
| 1109 if (instance_ok ()) | |
| 1110 instance->do_insert_text (text); | |
| 1111 } | |
| 1112 | |
| 1113 void | |
| 1114 command_editor::newline (void) | |
| 1115 { | |
| 1116 if (instance_ok ()) | |
| 1117 instance->do_newline (); | |
| 1118 } | |
| 1119 | |
| 1120 void | |
| 6979 | 1121 command_editor::accept_line (void) |
| 1122 { | |
| 1123 if (instance_ok ()) | |
| 1124 instance->do_accept_line (); | |
| 1125 } | |
| 1126 | |
| 1127 void | |
| 2926 | 1128 command_editor::clear_undo_list (void) |
| 1129 { | |
| 1130 if (instance_ok ()) | |
| 1131 instance->do_clear_undo_list (); | |
| 1132 } | |
| 1133 | |
| 1134 void | |
| 6913 | 1135 command_editor::add_startup_hook (startup_hook_fcn f) |
| 2926 | 1136 { |
| 1137 if (instance_ok ()) | |
| 6913 | 1138 { |
| 1139 startup_hook_set.insert (f); | |
| 1140 | |
| 1141 instance->set_startup_hook (startup_handler); | |
| 1142 } | |
| 2926 | 1143 } |
| 1144 | |
| 1145 void | |
| 6913 | 1146 command_editor::remove_startup_hook (startup_hook_fcn f) |
| 2926 | 1147 { |
| 1148 if (instance_ok ()) | |
| 6913 | 1149 { |
| 1150 startup_hook_set_iterator p = startup_hook_set.find (f); | |
| 1151 | |
| 1152 if (p != startup_hook_set.end ()) | |
| 6916 | 1153 startup_hook_set.erase (p); |
| 6913 | 1154 |
| 1155 if (startup_hook_set.empty ()) | |
| 1156 instance->restore_startup_hook (); | |
| 1157 } | |
| 2926 | 1158 } |
| 1159 | |
| 3189 | 1160 void |
| 6913 | 1161 command_editor::add_event_hook (event_hook_fcn f) |
| 3215 | 1162 { |
| 1163 if (instance_ok ()) | |
| 6913 | 1164 { |
| 1165 event_hook_set.insert (f); | |
| 1166 | |
| 1167 instance->set_event_hook (event_handler); | |
| 1168 } | |
| 3215 | 1169 } |
| 1170 | |
| 1171 void | |
| 6913 | 1172 command_editor::remove_event_hook (event_hook_fcn f) |
| 3215 | 1173 { |
| 1174 if (instance_ok ()) | |
| 6913 | 1175 { |
| 1176 event_hook_set_iterator p = event_hook_set.find (f); | |
| 1177 | |
| 1178 if (p != event_hook_set.end ()) | |
| 1179 event_hook_set.erase (p); | |
| 1180 | |
| 1181 if (event_hook_set.empty ()) | |
| 1182 instance->restore_event_hook (); | |
| 1183 } | |
| 3215 | 1184 } |
| 1185 | |
| 1186 void | |
| 5872 | 1187 command_editor::read_init_file (const std::string& file_arg) |
| 3189 | 1188 { |
| 1189 if (instance_ok ()) | |
| 5872 | 1190 { |
| 1191 std::string file = file_ops::tilde_expand (file_arg); | |
| 1192 | |
| 1193 instance->do_read_init_file (file); | |
| 1194 } | |
| 3189 | 1195 } |
| 1196 | |
|
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1197 void |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1198 command_editor::re_read_init_file (void) |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1199 { |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1200 if (instance_ok ()) |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1201 instance->do_re_read_init_file (); |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1202 } |
|
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
1203 |
| 4143 | 1204 bool |
| 1205 command_editor::filename_completion_desired (bool arg) | |
| 1206 { | |
| 1207 return (instance_ok ()) | |
| 1208 ? instance->do_filename_completion_desired (arg) : false; | |
| 1209 } | |
| 1210 | |
| 6979 | 1211 bool |
| 1212 command_editor::filename_quoting_desired (bool arg) | |
| 1213 { | |
| 1214 return (instance_ok ()) | |
| 1215 ? instance->do_filename_quoting_desired (arg) : false; | |
| 1216 } | |
| 1217 | |
| 2926 | 1218 // Return a string which will be printed as a prompt. The string may |
| 1219 // contain special characters which are decoded as follows: | |
| 1220 // | |
| 5442 | 1221 // \a bell (ascii 07) |
| 2926 | 1222 // \d the date |
| 5442 | 1223 // \e escape (ascii 033) |
| 1224 // \h the hostname up to the first `.' | |
| 1225 // \H the hostname | |
| 2926 | 1226 // \n CRLF |
| 5442 | 1227 // \r CR |
| 2926 | 1228 // \s the name of the shell (program) |
| 5442 | 1229 // \t the time |
| 1230 // \T the time in 12-hour hh:mm:ss format | |
| 1231 // \@ the time in 12-hour hh:mm am/pm format | |
| 1232 // \A the time in 24-hour hh:mm format | |
| 1233 // \u your username | |
| 2926 | 1234 // \w the current working directory |
| 1235 // \W the last element of PWD | |
| 5442 | 1236 // \! the history number of this command |
| 2926 | 1237 // \# the command number of this command |
| 1238 // \$ a $ or a # if you are root | |
| 5442 | 1239 // \nnn character code nnn in octal |
| 2926 | 1240 // \\ a backslash |
| 5442 | 1241 // \[ begin a sequence of non-printing chars |
| 1242 // \] end a sequence of non-printing chars | |
| 2926 | 1243 |
| 3504 | 1244 std::string |
| 1245 command_editor::do_decode_prompt_string (const std::string& s) | |
| 2926 | 1246 { |
| 3504 | 1247 std::string result; |
| 1248 std::string temp; | |
| 2926 | 1249 size_t i = 0; |
| 1250 size_t slen = s.length (); | |
| 1251 int c; | |
| 1252 | |
| 1253 while (i < slen) | |
| 1254 { | |
| 1255 c = s[i]; | |
| 1256 | |
| 1257 i++; | |
| 1258 | |
| 1259 if (c == '\\') | |
| 1260 { | |
| 1261 c = s[i]; | |
| 1262 | |
| 1263 switch (c) | |
| 1264 { | |
| 1265 case '0': | |
| 1266 case '1': | |
| 1267 case '2': | |
| 1268 case '3': | |
| 1269 case '4': | |
| 1270 case '5': | |
| 1271 case '6': | |
| 1272 case '7': | |
| 1273 // Maybe convert an octal number. | |
| 1274 { | |
| 1275 int n = read_octal (s.substr (i, 3)); | |
| 1276 | |
| 1277 temp = "\\"; | |
| 1278 | |
| 1279 if (n != -1) | |
| 1280 { | |
| 1281 i += 3; | |
| 1282 temp[0] = n; | |
| 1283 } | |
| 1284 | |
| 1285 c = 0; | |
| 1286 goto add_string; | |
| 1287 } | |
| 5442 | 1288 |
| 1289 case 'a': | |
| 1290 { | |
| 1291 temp = '\a'; | |
| 1292 | |
| 1293 goto add_string; | |
| 1294 } | |
| 1295 | |
| 1296 case 'e': | |
| 1297 { | |
| 1298 temp = '\033'; | |
| 1299 | |
| 1300 goto add_string; | |
| 1301 } | |
| 1302 | |
| 1303 case 'r': | |
| 1304 { | |
| 1305 temp = '\r'; | |
| 1306 | |
| 1307 goto add_string; | |
| 1308 } | |
| 1309 | |
| 1310 case 'd': | |
| 2926 | 1311 case 't': |
| 5442 | 1312 case 'T': |
| 1313 case '@': | |
| 1314 case 'A': | |
| 2926 | 1315 // Make the current time/date into a string. |
| 1316 { | |
| 5442 | 1317 octave_localtime now; |
| 2926 | 1318 |
| 5442 | 1319 if (c == 'd') |
| 1320 temp = now.strftime ("%a %b %d"); | |
| 1321 else if (c == 't') | |
| 1322 temp = now.strftime ("%H:%M:%S"); | |
| 1323 else if (c == 'T') | |
| 1324 temp = now.strftime ("%I:%M:%S"); | |
| 1325 else if (c == '@') | |
| 1326 temp = now.strftime ("%I:%M %p"); | |
| 1327 else if (c == 'A') | |
| 1328 temp = now.strftime ("%H:%M"); | |
| 2926 | 1329 |
| 1330 goto add_string; | |
| 1331 } | |
| 1332 | |
| 1333 case 'n': | |
| 1334 { | |
| 1335 temp = newline_chars (); | |
| 1336 | |
| 1337 goto add_string; | |
| 1338 } | |
| 1339 | |
| 1340 case 's': | |
| 1341 { | |
| 1342 temp = octave_env::get_program_name (); | |
| 1343 temp = octave_env::base_pathname (temp); | |
| 1344 | |
| 1345 goto add_string; | |
| 1346 } | |
| 5442 | 1347 |
| 2926 | 1348 case 'w': |
| 1349 case 'W': | |
| 1350 { | |
| 1351 temp = octave_env::getcwd (); | |
| 1352 | |
| 5442 | 1353 std::string home_dir = octave_env::get_home_directory (); |
| 1354 | |
| 1355 if (c == 'W' && (home_dir.empty () || temp != home_dir)) | |
| 2926 | 1356 { |
| 5442 | 1357 if (temp != "/" && temp != "//") |
| 1358 { | |
| 1359 size_t pos = temp.rfind ('/'); | |
| 2926 | 1360 |
| 5442 | 1361 if (pos != NPOS && pos != 0) |
| 1362 temp = temp.substr (pos + 1); | |
| 1363 } | |
| 2926 | 1364 } |
| 1365 else | |
| 1366 temp = octave_env::polite_directory_format (temp); | |
| 1367 | |
| 1368 goto add_string; | |
| 1369 } | |
| 5442 | 1370 |
| 2926 | 1371 case 'u': |
| 1372 { | |
| 1373 temp = octave_env::get_user_name (); | |
| 1374 | |
| 1375 goto add_string; | |
| 1376 } | |
| 1377 | |
| 1378 case 'H': | |
| 1379 { | |
| 1380 temp = octave_env::get_host_name (); | |
| 1381 | |
| 1382 goto add_string; | |
| 1383 } | |
| 1384 | |
| 1385 case 'h': | |
| 1386 { | |
| 1387 temp = octave_env::get_host_name (); | |
| 1388 | |
| 1389 size_t pos = temp.find ('.'); | |
| 1390 | |
| 1391 if (pos != NPOS) | |
| 1392 temp.resize (pos); | |
| 1393 | |
| 1394 goto add_string; | |
| 1395 } | |
| 1396 | |
| 1397 case '#': | |
| 1398 { | |
| 1399 char number_buffer[128]; | |
| 1400 sprintf (number_buffer, "%d", command_number); | |
| 1401 temp = number_buffer; | |
| 1402 | |
| 1403 goto add_string; | |
| 1404 } | |
| 1405 | |
| 1406 case '!': | |
| 1407 { | |
| 1408 char number_buffer[128]; | |
| 1409 int num = command_history::current_number (); | |
| 1410 if (num > 0) | |
| 1411 sprintf (number_buffer, "%d", num); | |
| 1412 else | |
| 1413 strcpy (number_buffer, "!"); | |
| 1414 temp = number_buffer; | |
| 1415 | |
| 1416 goto add_string; | |
| 1417 } | |
| 1418 | |
| 1419 case '$': | |
| 1420 { | |
| 4062 | 1421 #if defined (HAVE_GETEUID) |
| 2926 | 1422 temp = (::geteuid () == 0 ? "#" : "$"); |
| 4062 | 1423 #else |
| 1424 temp = "$"; | |
| 1425 #endif | |
| 2926 | 1426 |
| 1427 goto add_string; | |
| 1428 } | |
| 1429 | |
| 1430 #if defined (USE_READLINE) | |
| 1431 case '[': | |
| 1432 case ']': | |
| 1433 { | |
| 6940 | 1434 temp.resize (1); |
| 2926 | 1435 |
| 6940 | 1436 temp[0] = ((c == '[') |
| 3519 | 1437 ? ::octave_rl_prompt_start_ignore () |
| 1438 : ::octave_rl_prompt_end_ignore ()); | |
| 2926 | 1439 |
| 1440 goto add_string; | |
| 1441 } | |
| 1442 #endif | |
| 1443 | |
| 1444 case '\\': | |
| 1445 { | |
| 1446 temp = "\\"; | |
| 1447 | |
| 1448 goto add_string; | |
| 1449 } | |
| 1450 | |
| 1451 default: | |
| 1452 { | |
| 1453 temp = "\\ "; | |
| 1454 temp[1] = c; | |
| 1455 | |
| 1456 goto add_string; | |
| 1457 } | |
| 1458 | |
| 1459 add_string: | |
| 1460 { | |
| 1461 if (c) | |
| 1462 i++; | |
| 1463 | |
| 1464 result.append (temp); | |
| 1465 | |
| 1466 break; | |
| 1467 } | |
| 1468 } | |
| 1469 } | |
| 1470 else | |
| 1471 result += c; | |
| 1472 } | |
| 1473 | |
| 1474 return result; | |
| 1475 } | |
| 1476 | |
| 1477 // Return the octal number parsed from STRING, or -1 to indicate that | |
| 1478 // the string contained a bad number. | |
| 1479 | |
| 1480 int | |
| 3504 | 1481 command_editor::read_octal (const std::string& s) |
| 2926 | 1482 { |
| 1483 int result = 0; | |
| 1484 int digits = 0; | |
| 1485 | |
| 1486 size_t i = 0; | |
| 1487 size_t slen = s.length (); | |
| 1488 | |
| 1489 while (i < slen && s[i] >= '0' && s[i] < '8') | |
| 1490 { | |
| 1491 digits++; | |
| 1492 result = (result * 8) + s[i] - '0'; | |
| 1493 i++; | |
| 1494 } | |
| 1495 | |
| 1496 if (! digits || result > 0777 || i < slen) | |
| 1497 result = -1; | |
| 1498 | |
| 1499 return result; | |
| 1500 } | |
| 1501 | |
| 1502 void | |
| 1503 command_editor::error (int err_num) | |
| 1504 { | |
| 2941 | 1505 current_liboctave_error_handler ("%s", strerror (err_num)); |
| 2926 | 1506 } |
| 1507 | |
| 1508 void | |
| 3504 | 1509 command_editor::error (const std::string& s) |
| 2926 | 1510 { |
| 2941 | 1511 current_liboctave_error_handler ("%s", s.c_str ()); |
| 2926 | 1512 } |
| 1513 | |
| 1514 /* | |
| 1515 ;;; Local Variables: *** | |
| 1516 ;;; mode: C++ *** | |
| 1517 ;;; End: *** | |
| 1518 */ |