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annotate liboctave/cmd-edit.cc @ 11523:fd0a3ac60b0e
update copyright notices
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 14 Jan 2011 05:47:45 -0500 |
| parents | bbe99b2a5ba7 |
| children | 12df7854fa7c |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1996-2011 John W. Eaton |
| 2926 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2926 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2926 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
|
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27 #include <cstdlib> |
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28 #include <cstring> |
| 2926 | 29 |
| 30 #include <string> | |
| 31 | |
| 32 #include <sys/types.h> | |
| 33 #include <unistd.h> | |
| 34 | |
| 5247 | 35 #include "quit.h" |
| 36 | |
| 2926 | 37 #include "cmd-edit.h" |
| 38 #include "cmd-hist.h" | |
| 5872 | 39 #include "file-ops.h" |
| 2926 | 40 #include "lo-error.h" |
| 41 #include "lo-utils.h" | |
| 42 #include "oct-env.h" | |
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43 #include "oct-mutex.h" |
| 3260 | 44 #include "oct-time.h" |
| 2926 | 45 |
| 46 command_editor *command_editor::instance = 0; | |
| 47 | |
| 6913 | 48 std::set<command_editor::startup_hook_fcn> command_editor::startup_hook_set; |
| 49 | |
| 50 std::set<command_editor::event_hook_fcn> command_editor::event_hook_set; | |
| 51 | |
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52 static octave_mutex event_hook_lock; |
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53 |
| 2926 | 54 #if defined (USE_READLINE) |
| 55 | |
| 56 #include <cstdio> | |
| 57 #include <cstdlib> | |
| 58 | |
| 3519 | 59 #include "oct-rl-edit.h" |
| 2926 | 60 |
| 61 class | |
| 62 gnu_readline : public command_editor | |
| 63 { | |
| 64 public: | |
| 65 | |
| 3519 | 66 typedef command_editor::startup_hook_fcn startup_hook_fcn; |
| 67 | |
| 6913 | 68 typedef command_editor::event_hook_fcn event_hook_fcn; |
| 2926 | 69 |
| 2941 | 70 typedef command_editor::completion_fcn completion_fcn; |
| 71 | |
| 2926 | 72 gnu_readline (void); |
| 73 | |
| 74 ~gnu_readline (void) { } | |
| 75 | |
| 3504 | 76 void do_set_name (const std::string& n); |
| 2926 | 77 |
| 3504 | 78 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 79 |
| 80 void do_set_input_stream (FILE *f); | |
| 81 | |
| 82 FILE *do_get_input_stream (void); | |
| 83 | |
| 84 void do_set_output_stream (FILE *f); | |
| 85 | |
| 86 FILE *do_get_output_stream (void); | |
| 87 | |
| 88 int do_terminal_rows (void); | |
| 89 | |
| 90 int do_terminal_cols (void); | |
| 91 | |
| 92 void do_clear_screen (void); | |
| 93 | |
| 3281 | 94 void do_resize_terminal (void); |
| 95 | |
| 3504 | 96 std::string newline_chars (void); |
| 2926 | 97 |
| 98 void do_restore_terminal_state (void); | |
| 99 | |
| 100 void do_blink_matching_paren (bool flag); | |
| 101 | |
| 3933 | 102 void do_set_basic_word_break_characters (const std::string& s); |
| 103 | |
| 104 void do_set_completer_word_break_characters (const std::string& s); | |
| 105 | |
| 3504 | 106 void do_set_basic_quote_characters (const std::string& s); |
| 2926 | 107 |
| 6979 | 108 void do_set_filename_quote_characters (const std::string& s); |
| 109 | |
| 110 void do_set_completer_quote_characters (const std::string& s); | |
| 111 | |
| 2926 | 112 void do_set_completion_append_character (char c); |
| 113 | |
| 2941 | 114 void do_set_completion_function (completion_fcn f); |
| 115 | |
| 6979 | 116 void do_set_quoting_function (quoting_fcn f); |
| 117 | |
| 118 void do_set_dequoting_function (dequoting_fcn f); | |
| 119 | |
| 120 void do_set_char_is_quoted_function (char_is_quoted_fcn f); | |
| 121 | |
| 122 void do_set_user_accept_line_function (user_accept_line_fcn f); | |
| 123 | |
| 2941 | 124 completion_fcn do_get_completion_function (void) const; |
| 2926 | 125 |
| 6979 | 126 quoting_fcn do_get_quoting_function (void) const; |
| 127 | |
| 128 dequoting_fcn do_get_dequoting_function (void) const; | |
| 129 | |
| 130 char_is_quoted_fcn do_get_char_is_quoted_function (void) const; | |
| 131 | |
| 132 user_accept_line_fcn do_get_user_accept_line_function (void) const; | |
| 133 | |
| 4604 | 134 string_vector |
| 135 do_generate_filename_completions (const std::string& text); | |
| 136 | |
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137 std::string do_get_line_buffer (void) const; |
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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 |
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159 void do_re_read_init_file (void); |
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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", |
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219 gnu_readline::operate_and_get_next, |
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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", |
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225 gnu_readline::history_search_backward, |
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226 octave_rl_meta ('P')); |
| 2926 | 227 |
| 3519 | 228 octave_rl_add_defun ("history-search-forward", |
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229 gnu_readline::history_search_forward, |
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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, | |
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431 ::octave_rl_ctrl ('M')); |
| 6979 | 432 else |
| 433 octave_rl_add_defun ("accept-line", ::octave_rl_newline, | |
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434 ::octave_rl_ctrl ('M')); |
| 6979 | 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) | |
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482 { |
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483 if (count == n) |
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484 { |
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485 // Famous last words: Most large directories will not |
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486 // have more than a few hundred files, so we should not |
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487 // resize too many times even if the growth is linear... |
| 4604 | 488 |
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489 n += 100; |
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490 retval.resize (n); |
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491 } |
| 4604 | 492 |
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493 retval[count++] = fn; |
| 4604 | 494 |
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495 free (fn); |
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496 } |
| 4604 | 497 else |
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498 break; |
| 4604 | 499 } |
| 500 | |
| 501 retval.resize (count); | |
| 502 | |
| 503 return retval; | |
| 504 } | |
| 505 | |
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506 std::string |
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507 gnu_readline::do_get_line_buffer (void) const |
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508 { |
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509 return ::octave_rl_line_buffer (); |
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510 } |
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511 |
| 2926 | 512 void |
| 3504 | 513 gnu_readline::do_insert_text (const std::string& text) |
| 2926 | 514 { |
| 3519 | 515 ::octave_rl_insert_text (text.c_str ()); |
| 2926 | 516 } |
| 517 | |
| 518 void | |
| 519 gnu_readline::do_newline (void) | |
| 520 { | |
| 6979 | 521 ::octave_rl_newline (1, '\n'); |
| 522 } | |
| 523 | |
| 524 void | |
| 525 gnu_readline::do_accept_line (void) | |
| 526 { | |
| 527 command_accept_line (1, '\n'); | |
| 2926 | 528 } |
| 529 | |
| 530 void | |
| 531 gnu_readline::do_clear_undo_list () | |
| 532 { | |
| 3519 | 533 ::octave_rl_clear_undo_list (); |
| 2926 | 534 } |
| 535 | |
| 536 void | |
| 6913 | 537 gnu_readline::set_startup_hook (startup_hook_fcn f) |
| 2926 | 538 { |
| 3519 | 539 previous_startup_hook = ::octave_rl_get_startup_hook (); |
| 2926 | 540 |
| 6917 | 541 if (f != previous_startup_hook) |
| 542 ::octave_rl_set_startup_hook (f); | |
| 2926 | 543 } |
| 544 | |
| 545 void | |
| 6913 | 546 gnu_readline::restore_startup_hook (void) |
| 2926 | 547 { |
| 3519 | 548 ::octave_rl_set_startup_hook (previous_startup_hook); |
| 2926 | 549 } |
| 550 | |
| 551 void | |
| 6913 | 552 gnu_readline::set_event_hook (event_hook_fcn f) |
| 3215 | 553 { |
| 3519 | 554 previous_event_hook = octave_rl_get_event_hook (); |
| 3215 | 555 |
| 3519 | 556 ::octave_rl_set_event_hook (f); |
| 3215 | 557 } |
| 558 | |
| 559 void | |
| 6913 | 560 gnu_readline::restore_event_hook (void) |
| 3215 | 561 { |
| 3519 | 562 ::octave_rl_set_event_hook (previous_event_hook); |
| 3215 | 563 } |
| 564 | |
| 565 void | |
| 3504 | 566 gnu_readline::do_read_init_file (const std::string& file) |
| 3189 | 567 { |
| 3519 | 568 ::octave_rl_read_init_file (file.c_str ()); |
| 3189 | 569 } |
| 570 | |
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571 void |
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572 gnu_readline::do_re_read_init_file (void) |
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573 { |
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574 ::octave_rl_re_read_init_file (); |
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575 } |
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576 |
| 4143 | 577 bool |
| 578 gnu_readline::do_filename_completion_desired (bool arg) | |
| 579 { | |
| 580 return ::octave_rl_filename_completion_desired (arg); | |
| 581 } | |
| 582 | |
| 6979 | 583 bool |
| 584 gnu_readline::do_filename_quoting_desired (bool arg) | |
| 585 { | |
| 586 return ::octave_rl_filename_quoting_desired (arg); | |
| 587 } | |
| 588 | |
| 3519 | 589 int |
| 2926 | 590 gnu_readline::operate_and_get_next (int /* count */, int /* c */) |
| 591 { | |
| 592 // Accept the current line. | |
| 593 | |
| 6979 | 594 command_editor::accept_line (); |
| 2926 | 595 |
| 596 // Find the current line, and find the next line to use. | |
| 597 | |
| 598 int x_where = command_history::where (); | |
| 599 | |
| 600 int x_length = command_history::length (); | |
| 601 | |
| 602 if ((command_history::is_stifled () | |
| 603 && (x_length >= command_history::max_input_history ())) | |
| 604 || (x_where >= x_length - 1)) | |
| 605 command_history::set_mark (x_where); | |
| 606 else | |
| 607 command_history::set_mark (x_where + 1); | |
| 608 | |
| 6913 | 609 command_editor::add_startup_hook (command_history::goto_mark); |
| 3519 | 610 |
| 611 return 0; | |
| 2926 | 612 } |
| 613 | |
| 3951 | 614 int |
| 615 gnu_readline::history_search_backward (int count, int c) | |
| 616 { | |
| 617 return octave_rl_history_search_backward (count, c); | |
| 618 } | |
| 619 | |
| 620 int | |
| 621 gnu_readline::history_search_forward (int count, int c) | |
| 622 { | |
| 623 return octave_rl_history_search_forward (count, c); | |
| 624 } | |
| 625 | |
| 2941 | 626 char * |
| 627 gnu_readline::command_generator (const char *text, int state) | |
| 628 { | |
| 629 char *retval = 0; | |
| 630 | |
| 631 completion_fcn f = command_editor::get_completion_function (); | |
| 632 | |
| 3504 | 633 std::string tmp = f (text, state); |
| 2941 | 634 |
| 635 size_t len = tmp.length (); | |
| 636 | |
| 637 if (len > 0) | |
| 638 { | |
| 10411 | 639 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 2941 | 640 |
| 641 strcpy (retval, tmp.c_str ()); | |
| 642 } | |
| 643 | |
| 644 return retval; | |
| 645 } | |
| 646 | |
| 6979 | 647 char * |
| 648 gnu_readline::command_quoter (char *text, int matches, char *qcp) | |
| 649 { | |
| 650 char *retval = 0; | |
| 651 | |
| 652 quoting_fcn f = command_editor::get_quoting_function (); | |
| 653 | |
| 654 std::string tmp = f (text, matches, *qcp); | |
| 655 | |
| 656 size_t len = tmp.length (); | |
| 657 | |
| 658 if (len > 0) | |
| 659 { | |
| 10411 | 660 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 6979 | 661 |
| 662 strcpy (retval, tmp.c_str ()); | |
| 663 } | |
| 664 | |
| 665 return retval; | |
| 666 } | |
| 667 | |
| 668 char * | |
| 669 gnu_readline::command_dequoter (char *text, int quote) | |
| 670 { | |
| 671 char *retval = 0; | |
| 672 | |
| 673 dequoting_fcn f = command_editor::get_dequoting_function (); | |
| 674 | |
| 675 std::string tmp = f (text, quote); | |
| 676 | |
| 677 size_t len = tmp.length (); | |
| 678 | |
| 679 if (len > 0) | |
| 680 { | |
| 10411 | 681 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 6979 | 682 |
| 683 strcpy (retval, tmp.c_str ()); | |
| 684 } | |
| 685 | |
| 686 return retval; | |
| 687 } | |
| 688 | |
| 689 int | |
| 690 gnu_readline::command_char_is_quoted (char *text, int quote) | |
| 691 { | |
| 692 char_is_quoted_fcn f = command_editor::get_char_is_quoted_function (); | |
| 693 | |
| 694 return f (text, quote); | |
| 695 } | |
| 696 | |
| 697 int | |
| 698 gnu_readline::command_accept_line (int count, int key) | |
| 699 { | |
| 700 user_accept_line_fcn f = command_editor::get_user_accept_line_function (); | |
| 701 | |
| 702 if (f) | |
| 703 f (::octave_rl_line_buffer ()); | |
| 704 | |
| 705 ::octave_rl_redisplay (); | |
| 706 | |
| 707 return ::octave_rl_newline (count, key); | |
| 708 } | |
| 709 | |
| 2941 | 710 char ** |
| 3519 | 711 gnu_readline::command_completer (const char *text, int, int) |
| 2941 | 712 { |
| 713 char **matches = 0; | |
| 3519 | 714 matches |
| 715 = ::octave_rl_completion_matches (text, gnu_readline::command_generator); | |
| 2941 | 716 return matches; |
| 717 } | |
| 718 | |
| 2926 | 719 #endif |
| 720 | |
| 721 class | |
| 722 default_command_editor : public command_editor | |
| 723 { | |
| 724 public: | |
| 725 | |
| 726 default_command_editor (void) | |
| 727 : command_editor (), input_stream (stdin), output_stream (stdout) { } | |
| 728 | |
| 729 ~default_command_editor (void) { } | |
| 730 | |
| 3504 | 731 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 732 |
| 733 void do_set_input_stream (FILE *f); | |
| 734 | |
| 735 FILE *do_get_input_stream (void); | |
| 736 | |
| 737 void do_set_output_stream (FILE *f); | |
| 738 | |
| 739 FILE *do_get_output_stream (void); | |
| 740 | |
| 4604 | 741 string_vector do_generate_filename_completions (const std::string& text); |
| 742 | |
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743 std::string do_get_line_buffer (void) const; |
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744 |
| 3504 | 745 void do_insert_text (const std::string&); |
| 2926 | 746 |
| 747 void do_newline (void); | |
| 748 | |
| 6979 | 749 void do_accept_line (void); |
| 750 | |
| 2926 | 751 private: |
| 752 | |
| 753 FILE *input_stream; | |
| 754 | |
| 755 FILE *output_stream; | |
| 756 }; | |
| 757 | |
| 3504 | 758 std::string |
| 759 default_command_editor::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 760 { |
| 10411 | 761 gnulib::fputs (prompt.c_str (), output_stream); |
| 2926 | 762 fflush (output_stream); |
| 763 | |
| 4527 | 764 return octave_fgetl (input_stream, eof); |
| 2926 | 765 } |
| 766 | |
| 767 void | |
| 768 default_command_editor::do_set_input_stream (FILE *f) | |
| 769 { | |
| 770 input_stream = f; | |
| 771 } | |
| 772 | |
| 773 FILE * | |
| 774 default_command_editor::do_get_input_stream (void) | |
| 775 { | |
| 776 return input_stream; | |
| 777 } | |
| 778 | |
| 779 void | |
| 780 default_command_editor::do_set_output_stream (FILE *f) | |
| 781 { | |
| 782 output_stream = f; | |
| 783 } | |
| 784 | |
| 785 FILE * | |
| 786 default_command_editor::do_get_output_stream (void) | |
| 787 { | |
| 788 return output_stream; | |
| 789 } | |
| 790 | |
| 4604 | 791 string_vector |
| 4663 | 792 default_command_editor::do_generate_filename_completions (const std::string&) |
| 4604 | 793 { |
| 5775 | 794 // FIXME |
| 4604 | 795 return string_vector (); |
| 796 } | |
| 797 | |
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798 std::string |
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799 default_command_editor::do_get_line_buffer (void) const |
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800 { |
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801 return ""; |
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802 } |
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803 |
| 2926 | 804 void |
| 3504 | 805 default_command_editor::do_insert_text (const std::string&) |
| 2926 | 806 { |
| 5775 | 807 // FIXME |
| 2926 | 808 } |
| 809 | |
| 810 void | |
| 811 default_command_editor::do_newline (void) | |
| 812 { | |
| 5775 | 813 // FIXME |
| 2926 | 814 } |
| 815 | |
| 6979 | 816 void |
| 817 default_command_editor::do_accept_line (void) | |
| 818 { | |
| 819 // FIXME | |
| 820 } | |
| 821 | |
| 2926 | 822 bool |
| 823 command_editor::instance_ok (void) | |
| 824 { | |
| 825 bool retval = true; | |
| 826 | |
| 827 if (! instance) | |
| 828 make_command_editor (); | |
| 829 | |
| 830 if (! instance) | |
| 831 { | |
| 2941 | 832 current_liboctave_error_handler |
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833 ("unable to create command history object!"); |
| 2926 | 834 |
| 835 retval = false; | |
| 836 } | |
| 837 | |
| 838 return retval; | |
| 839 } | |
| 840 | |
| 841 void | |
| 842 command_editor::make_command_editor (void) | |
| 843 { | |
| 844 #if defined (USE_READLINE) | |
| 845 instance = new gnu_readline (); | |
| 846 #else | |
| 847 instance = new default_command_editor (); | |
| 848 #endif | |
| 849 } | |
| 850 | |
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851 void |
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852 command_editor::force_default_editor (void) |
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853 { |
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854 delete instance; |
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855 instance = new default_command_editor (); |
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856 } |
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857 |
| 6913 | 858 int |
| 859 command_editor::startup_handler (void) | |
| 860 { | |
| 861 for (startup_hook_set_iterator p = startup_hook_set.begin (); | |
| 862 p != startup_hook_set.end (); p++) | |
| 863 { | |
| 864 startup_hook_fcn f = *p; | |
| 865 | |
| 866 if (f) | |
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867 f (); |
| 6913 | 868 } |
| 869 | |
| 870 return 0; | |
| 871 } | |
| 872 | |
| 873 int | |
| 874 command_editor::event_handler (void) | |
| 875 { | |
|
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876 event_hook_lock.lock (); |
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877 |
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878 std::set<event_hook_fcn> hook_set (event_hook_set); |
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879 |
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880 event_hook_lock.unlock (); |
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881 |
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882 for (event_hook_set_iterator p = hook_set.begin (); |
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883 p != hook_set.end (); p++) |
| 6913 | 884 { |
| 885 event_hook_fcn f = *p; | |
| 886 | |
| 887 if (f) | |
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888 f (); |
| 6913 | 889 } |
| 890 | |
| 891 return 0; | |
| 892 } | |
| 893 | |
| 2926 | 894 void |
| 3504 | 895 command_editor::set_name (const std::string& n) |
| 2926 | 896 { |
| 897 if (instance_ok ()) | |
| 898 instance->do_set_name (n); | |
| 899 } | |
| 900 | |
| 3504 | 901 std::string |
| 902 command_editor::readline (const std::string& prompt) | |
| 2926 | 903 { |
| 3219 | 904 bool eof; |
| 905 | |
| 906 return readline (prompt, eof); | |
| 907 } | |
| 908 | |
| 3504 | 909 std::string |
| 910 command_editor::readline (const std::string& prompt, bool& eof) | |
| 3219 | 911 { |
| 2926 | 912 return (instance_ok ()) |
| 3504 | 913 ? instance->do_readline (prompt, eof) : std::string (); |
| 2926 | 914 } |
| 915 | |
| 916 void | |
| 917 command_editor::set_input_stream (FILE *f) | |
| 918 { | |
| 919 if (instance_ok ()) | |
| 920 instance->do_set_input_stream (f); | |
| 921 } | |
| 922 | |
| 923 FILE * | |
| 924 command_editor::get_input_stream (void) | |
| 925 { | |
| 926 return (instance_ok ()) | |
| 927 ? instance->do_get_input_stream () : 0; | |
| 928 } | |
| 929 | |
| 930 void | |
| 931 command_editor::set_output_stream (FILE *f) | |
| 932 { | |
| 933 if (instance_ok ()) | |
| 934 instance->do_set_output_stream (f); | |
| 935 } | |
| 936 | |
| 937 FILE * | |
| 938 command_editor::get_output_stream (void) | |
| 939 { | |
| 940 return (instance_ok ()) | |
| 941 ? instance->do_get_output_stream () : 0; | |
| 942 } | |
| 943 | |
| 944 int | |
| 945 command_editor::terminal_rows (void) | |
| 946 { | |
| 947 return (instance_ok ()) | |
| 948 ? instance->do_terminal_rows () : -1; | |
| 949 } | |
| 950 | |
| 951 int | |
| 952 command_editor::terminal_cols (void) | |
| 953 { | |
| 954 return (instance_ok ()) | |
| 955 ? instance->do_terminal_cols () : -1; | |
| 956 } | |
| 957 | |
| 958 void | |
| 959 command_editor::clear_screen (void) | |
| 960 { | |
| 961 if (instance_ok ()) | |
| 962 instance->do_clear_screen (); | |
| 963 } | |
| 964 | |
| 3281 | 965 void |
| 966 command_editor::resize_terminal (void) | |
| 967 { | |
| 968 if (instance_ok ()) | |
| 969 instance->do_resize_terminal (); | |
| 970 } | |
| 971 | |
| 3504 | 972 std::string |
| 973 command_editor::decode_prompt_string (const std::string& s) | |
| 2926 | 974 { |
| 975 return (instance_ok ()) | |
| 3504 | 976 ? instance->do_decode_prompt_string (s) : std::string (); |
| 2926 | 977 } |
| 978 | |
| 979 int | |
| 980 command_editor::current_command_number (void) | |
| 981 { | |
| 982 return (instance_ok ()) | |
| 983 ? instance->command_number : 0; | |
| 984 } | |
| 985 | |
| 986 void | |
| 987 command_editor::reset_current_command_number (int n) | |
| 988 { | |
| 989 if (instance_ok ()) | |
| 990 instance->command_number = n; | |
| 991 } | |
| 992 | |
| 993 void | |
| 2967 | 994 command_editor::increment_current_command_number (void) |
| 995 { | |
| 996 if (instance_ok ()) | |
| 997 instance->command_number++; | |
| 998 } | |
| 999 | |
| 1000 void | |
| 2926 | 1001 command_editor::restore_terminal_state (void) |
| 1002 { | |
| 1003 if (instance_ok ()) | |
| 1004 instance->do_restore_terminal_state (); | |
| 1005 } | |
| 1006 | |
| 1007 void | |
| 1008 command_editor::blink_matching_paren (bool flag) | |
| 1009 { | |
| 1010 if (instance_ok ()) | |
| 1011 instance->do_blink_matching_paren (flag); | |
| 1012 } | |
| 1013 | |
| 1014 void | |
| 3933 | 1015 command_editor::set_basic_word_break_characters (const std::string& s) |
| 1016 { | |
| 1017 if (instance_ok ()) | |
| 1018 instance->do_set_basic_word_break_characters (s); | |
| 1019 } | |
| 1020 | |
| 1021 void | |
| 1022 command_editor::set_completer_word_break_characters (const std::string& s) | |
| 1023 { | |
| 1024 if (instance_ok ()) | |
| 1025 instance->do_set_completer_word_break_characters (s); | |
| 1026 } | |
| 1027 | |
| 1028 void | |
| 3504 | 1029 command_editor::set_basic_quote_characters (const std::string& s) |
| 2926 | 1030 { |
| 1031 if (instance_ok ()) | |
| 3004 | 1032 instance->do_set_basic_quote_characters (s); |
| 2926 | 1033 } |
| 1034 | |
| 1035 void | |
| 6979 | 1036 command_editor::set_filename_quote_characters (const std::string& s) |
| 1037 { | |
| 1038 if (instance_ok ()) | |
| 1039 instance->do_set_filename_quote_characters (s); | |
| 1040 } | |
| 1041 | |
| 1042 void | |
| 1043 command_editor::set_completer_quote_characters (const std::string& s) | |
| 1044 { | |
| 1045 if (instance_ok ()) | |
| 1046 instance->do_set_completer_quote_characters (s); | |
| 1047 } | |
| 1048 | |
| 1049 void | |
| 2926 | 1050 command_editor::set_completion_append_character (char c) |
| 1051 { | |
| 1052 if (instance_ok ()) | |
| 1053 instance->do_set_completion_append_character (c); | |
| 1054 } | |
| 1055 | |
| 1056 void | |
| 2941 | 1057 command_editor::set_completion_function (completion_fcn f) |
| 2926 | 1058 { |
| 1059 if (instance_ok ()) | |
| 2941 | 1060 instance->do_set_completion_function (f); |
| 1061 } | |
| 1062 | |
| 6979 | 1063 void |
| 1064 command_editor::set_quoting_function (quoting_fcn f) | |
| 1065 { | |
| 1066 if (instance_ok ()) | |
| 1067 instance->do_set_quoting_function (f); | |
| 1068 } | |
| 1069 | |
| 1070 void | |
| 1071 command_editor::set_dequoting_function (dequoting_fcn f) | |
| 1072 { | |
| 1073 if (instance_ok ()) | |
| 1074 instance->do_set_dequoting_function (f); | |
| 1075 } | |
| 1076 | |
| 1077 void | |
| 1078 command_editor::set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 1079 { | |
| 1080 if (instance_ok ()) | |
| 1081 instance->do_set_char_is_quoted_function (f); | |
| 1082 } | |
| 1083 | |
| 1084 void | |
| 1085 command_editor::set_user_accept_line_function (user_accept_line_fcn f) | |
| 1086 { | |
| 1087 if (instance_ok ()) | |
| 1088 instance->do_set_user_accept_line_function (f); | |
| 1089 } | |
| 1090 | |
| 2941 | 1091 command_editor::completion_fcn |
| 1092 command_editor::get_completion_function (void) | |
| 1093 { | |
| 1094 return (instance_ok ()) | |
| 1095 ? instance->do_get_completion_function () : 0; | |
| 2926 | 1096 } |
| 1097 | |
| 6979 | 1098 command_editor::quoting_fcn |
| 1099 command_editor::get_quoting_function (void) | |
| 1100 { | |
| 1101 return (instance_ok ()) | |
| 1102 ? instance->do_get_quoting_function () : 0; | |
| 1103 } | |
| 1104 | |
| 1105 command_editor::dequoting_fcn | |
| 1106 command_editor::get_dequoting_function (void) | |
| 1107 { | |
| 1108 return (instance_ok ()) | |
| 1109 ? instance->do_get_dequoting_function () : 0; | |
| 1110 } | |
| 1111 | |
| 1112 command_editor::char_is_quoted_fcn | |
| 1113 command_editor::get_char_is_quoted_function (void) | |
| 1114 { | |
| 1115 return (instance_ok ()) | |
| 1116 ? instance->do_get_char_is_quoted_function () : 0; | |
| 1117 } | |
| 1118 | |
| 1119 command_editor::user_accept_line_fcn | |
| 1120 command_editor::get_user_accept_line_function (void) | |
| 1121 { | |
| 1122 return (instance_ok ()) | |
| 1123 ? instance->do_get_user_accept_line_function () : 0; | |
| 1124 } | |
| 1125 | |
| 4604 | 1126 string_vector |
| 1127 command_editor::generate_filename_completions (const std::string& text) | |
| 1128 { | |
| 1129 return (instance_ok ()) | |
| 1130 ? instance->do_generate_filename_completions (text) : string_vector (); | |
| 1131 } | |
| 1132 | |
|
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1133 std::string |
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1134 command_editor::get_line_buffer (void) |
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1135 { |
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1136 return (instance_ok ()) ? instance->do_get_line_buffer () : ""; |
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1137 } |
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1138 |
| 2926 | 1139 void |
| 3504 | 1140 command_editor::insert_text (const std::string& text) |
| 2926 | 1141 { |
| 1142 if (instance_ok ()) | |
| 1143 instance->do_insert_text (text); | |
| 1144 } | |
| 1145 | |
| 1146 void | |
| 1147 command_editor::newline (void) | |
| 1148 { | |
| 1149 if (instance_ok ()) | |
| 1150 instance->do_newline (); | |
| 1151 } | |
| 1152 | |
| 1153 void | |
| 6979 | 1154 command_editor::accept_line (void) |
| 1155 { | |
| 1156 if (instance_ok ()) | |
| 1157 instance->do_accept_line (); | |
| 1158 } | |
| 1159 | |
| 1160 void | |
| 2926 | 1161 command_editor::clear_undo_list (void) |
| 1162 { | |
| 1163 if (instance_ok ()) | |
| 1164 instance->do_clear_undo_list (); | |
| 1165 } | |
| 1166 | |
| 1167 void | |
| 6913 | 1168 command_editor::add_startup_hook (startup_hook_fcn f) |
| 2926 | 1169 { |
| 1170 if (instance_ok ()) | |
| 6913 | 1171 { |
| 1172 startup_hook_set.insert (f); | |
| 1173 | |
| 1174 instance->set_startup_hook (startup_handler); | |
| 1175 } | |
| 2926 | 1176 } |
| 1177 | |
| 1178 void | |
| 6913 | 1179 command_editor::remove_startup_hook (startup_hook_fcn f) |
| 2926 | 1180 { |
| 1181 if (instance_ok ()) | |
| 6913 | 1182 { |
| 1183 startup_hook_set_iterator p = startup_hook_set.find (f); | |
| 1184 | |
| 1185 if (p != startup_hook_set.end ()) | |
|
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1186 startup_hook_set.erase (p); |
| 6913 | 1187 |
| 1188 if (startup_hook_set.empty ()) | |
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1189 instance->restore_startup_hook (); |
| 6913 | 1190 } |
| 2926 | 1191 } |
| 1192 | |
| 3189 | 1193 void |
| 6913 | 1194 command_editor::add_event_hook (event_hook_fcn f) |
| 3215 | 1195 { |
|
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1196 octave_autolock guard (event_hook_lock); |
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1197 |
| 3215 | 1198 if (instance_ok ()) |
| 6913 | 1199 { |
| 1200 event_hook_set.insert (f); | |
| 1201 | |
| 1202 instance->set_event_hook (event_handler); | |
| 1203 } | |
| 3215 | 1204 } |
| 1205 | |
| 1206 void | |
| 6913 | 1207 command_editor::remove_event_hook (event_hook_fcn f) |
| 3215 | 1208 { |
|
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1209 octave_autolock guard (event_hook_lock); |
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1210 |
| 3215 | 1211 if (instance_ok ()) |
| 6913 | 1212 { |
| 1213 event_hook_set_iterator p = event_hook_set.find (f); | |
| 1214 | |
| 1215 if (p != event_hook_set.end ()) | |
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1216 event_hook_set.erase (p); |
| 6913 | 1217 |
| 1218 if (event_hook_set.empty ()) | |
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1219 instance->restore_event_hook (); |
| 6913 | 1220 } |
| 3215 | 1221 } |
| 1222 | |
| 1223 void | |
| 5872 | 1224 command_editor::read_init_file (const std::string& file_arg) |
| 3189 | 1225 { |
| 1226 if (instance_ok ()) | |
| 5872 | 1227 { |
| 1228 std::string file = file_ops::tilde_expand (file_arg); | |
| 1229 | |
| 1230 instance->do_read_init_file (file); | |
| 1231 } | |
| 3189 | 1232 } |
| 1233 | |
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1234 void |
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1235 command_editor::re_read_init_file (void) |
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1236 { |
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1237 if (instance_ok ()) |
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1238 instance->do_re_read_init_file (); |
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1239 } |
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1240 |
| 4143 | 1241 bool |
| 1242 command_editor::filename_completion_desired (bool arg) | |
| 1243 { | |
| 1244 return (instance_ok ()) | |
| 1245 ? instance->do_filename_completion_desired (arg) : false; | |
| 1246 } | |
| 1247 | |
| 6979 | 1248 bool |
| 1249 command_editor::filename_quoting_desired (bool arg) | |
| 1250 { | |
| 1251 return (instance_ok ()) | |
| 1252 ? instance->do_filename_quoting_desired (arg) : false; | |
| 1253 } | |
| 1254 | |
| 2926 | 1255 // Return a string which will be printed as a prompt. The string may |
| 1256 // contain special characters which are decoded as follows: | |
| 1257 // | |
|
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1258 // \a bell (ascii 07) |
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1259 // \d the date |
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1260 // \e escape (ascii 033) |
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1261 // \h the hostname up to the first `.' |
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1262 // \H the hostname |
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1263 // \n CRLF |
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1264 // \r CR |
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1265 // \s the name of the shell (program) |
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1266 // \t the time |
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1267 // \T the time in 12-hour hh:mm:ss format |
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1268 // \@ the time in 12-hour hh:mm am/pm format |
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1269 // \A the time in 24-hour hh:mm format |
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1270 // \u your username |
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1271 // \w the current working directory |
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1272 // \W the last element of PWD |
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1273 // \! the history number of this command |
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1274 // \# the command number of this command |
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1275 // \$ a $ or a # if you are root |
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1276 // \nnn character code nnn in octal |
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1277 // \\ a backslash |
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1278 // \[ begin a sequence of non-printing chars |
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1279 // \] end a sequence of non-printing chars |
| 2926 | 1280 |
| 3504 | 1281 std::string |
| 1282 command_editor::do_decode_prompt_string (const std::string& s) | |
| 2926 | 1283 { |
| 3504 | 1284 std::string result; |
| 1285 std::string temp; | |
| 2926 | 1286 size_t i = 0; |
| 1287 size_t slen = s.length (); | |
| 1288 int c; | |
| 1289 | |
| 1290 while (i < slen) | |
| 1291 { | |
| 1292 c = s[i]; | |
| 1293 | |
| 1294 i++; | |
| 1295 | |
| 1296 if (c == '\\') | |
|
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1297 { |
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1298 c = s[i]; |
| 2926 | 1299 |
|
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1300 switch (c) |
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1301 { |
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1302 case '0': |
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1303 case '1': |
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1304 case '2': |
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1305 case '3': |
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1306 case '4': |
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1307 case '5': |
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1308 case '6': |
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1309 case '7': |
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1310 // Maybe convert an octal number. |
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1311 { |
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1312 int n = read_octal (s.substr (i, 3)); |
| 2926 | 1313 |
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1314 temp = "\\"; |
| 2926 | 1315 |
|
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untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1316 if (n != -1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1317 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1318 i += 3; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1319 temp[0] = n; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1320 } |
| 2926 | 1321 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1322 c = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1323 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1324 } |
| 5442 | 1325 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1326 case 'a': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1327 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1328 temp = '\a'; |
| 5442 | 1329 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1330 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1331 } |
| 5442 | 1332 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1333 case 'e': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1334 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1335 temp = '\033'; |
| 5442 | 1336 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1337 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1338 } |
| 5442 | 1339 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1340 case 'r': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1341 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1342 temp = '\r'; |
| 5442 | 1343 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1344 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1345 } |
| 5442 | 1346 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1347 case 'd': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1348 case 't': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1349 case 'T': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1350 case '@': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1351 case 'A': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1352 // Make the current time/date into a string. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1353 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1354 octave_localtime now; |
| 2926 | 1355 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1356 if (c == 'd') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1357 temp = now.strftime ("%a %b %d"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1358 else if (c == 't') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1359 temp = now.strftime ("%H:%M:%S"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1360 else if (c == 'T') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1361 temp = now.strftime ("%I:%M:%S"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1362 else if (c == '@') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1363 temp = now.strftime ("%I:%M %p"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1364 else if (c == 'A') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1365 temp = now.strftime ("%H:%M"); |
| 2926 | 1366 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1367 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1368 } |
| 2926 | 1369 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1370 case 'n': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1371 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1372 temp = newline_chars (); |
| 2926 | 1373 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1374 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1375 } |
| 2926 | 1376 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1377 case 's': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1378 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1379 temp = octave_env::get_program_name (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1380 temp = octave_env::base_pathname (temp); |
| 2926 | 1381 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1382 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1383 } |
| 5442 | 1384 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1385 case 'w': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1386 case 'W': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1387 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1388 temp = octave_env::get_current_directory (); |
| 2926 | 1389 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1390 std::string home_dir = octave_env::get_home_directory (); |
| 5442 | 1391 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1392 if (c == 'W' && (home_dir.empty () || temp != home_dir)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1393 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1394 if (temp != "/" && temp != "//") |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1395 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1396 size_t pos = temp.rfind ('/'); |
| 2926 | 1397 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1398 if (pos != std::string::npos && pos != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1399 temp = temp.substr (pos + 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1400 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1401 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1402 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1403 temp = octave_env::polite_directory_format (temp); |
| 2926 | 1404 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1405 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1406 } |
| 5442 | 1407 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1408 case 'u': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1409 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1410 temp = octave_env::get_user_name (); |
| 2926 | 1411 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1412 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1413 } |
| 2926 | 1414 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1415 case 'H': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1416 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1417 temp = octave_env::get_host_name (); |
| 2926 | 1418 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1419 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1420 } |
| 2926 | 1421 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1422 case 'h': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1423 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1424 temp = octave_env::get_host_name (); |
| 2926 | 1425 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1426 size_t pos = temp.find ('.'); |
| 2926 | 1427 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1428 if (pos != std::string::npos) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1429 temp.resize (pos); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1430 |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1431 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1432 } |
| 2926 | 1433 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1434 case '#': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1435 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1436 char number_buffer[128]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1437 sprintf (number_buffer, "%d", command_number); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1438 temp = number_buffer; |
| 2926 | 1439 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1440 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1441 } |
| 2926 | 1442 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1443 case '!': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1444 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1445 char number_buffer[128]; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1446 int num = command_history::current_number (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1447 if (num > 0) |
| 2926 | 1448 sprintf (number_buffer, "%d", num); |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1449 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1450 strcpy (number_buffer, "!"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1451 temp = number_buffer; |
| 2926 | 1452 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1453 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1454 } |
| 2926 | 1455 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1456 case '$': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1457 { |
| 4062 | 1458 #if defined (HAVE_GETEUID) |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1459 temp = (::geteuid () == 0 ? "#" : "$"); |
| 4062 | 1460 #else |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1461 temp = "$"; |
| 4062 | 1462 #endif |
| 2926 | 1463 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1464 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
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1465 } |
| 2926 | 1466 |
| 1467 #if defined (USE_READLINE) | |
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1468 case '[': |
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1469 case ']': |
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1470 { |
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1471 temp.resize (1); |
| 2926 | 1472 |
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1473 temp[0] = ((c == '[') |
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1474 ? ::octave_rl_prompt_start_ignore () |
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1475 : ::octave_rl_prompt_end_ignore ()); |
| 2926 | 1476 |
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1477 goto add_string; |
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1478 } |
| 2926 | 1479 #endif |
| 1480 | |
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1481 case '\\': |
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1482 { |
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1483 temp = "\\"; |
| 2926 | 1484 |
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1485 goto add_string; |
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1486 } |
| 2926 | 1487 |
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1488 default: |
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1489 { |
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1490 temp = "\\ "; |
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1491 temp[1] = c; |
| 2926 | 1492 |
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1493 goto add_string; |
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1494 } |
| 2926 | 1495 |
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1496 add_string: |
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1497 { |
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1498 if (c) |
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1499 i++; |
| 2926 | 1500 |
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1501 result.append (temp); |
| 2926 | 1502 |
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1503 break; |
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1504 } |
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1505 } |
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1506 } |
| 2926 | 1507 else |
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1508 result += c; |
| 2926 | 1509 } |
| 1510 | |
| 1511 return result; | |
| 1512 } | |
| 1513 | |
| 1514 // Return the octal number parsed from STRING, or -1 to indicate that | |
| 1515 // the string contained a bad number. | |
| 1516 | |
| 1517 int | |
| 3504 | 1518 command_editor::read_octal (const std::string& s) |
| 2926 | 1519 { |
| 1520 int result = 0; | |
| 1521 int digits = 0; | |
| 1522 | |
| 1523 size_t i = 0; | |
| 1524 size_t slen = s.length (); | |
| 1525 | |
| 1526 while (i < slen && s[i] >= '0' && s[i] < '8') | |
| 1527 { | |
| 1528 digits++; | |
| 1529 result = (result * 8) + s[i] - '0'; | |
| 1530 i++; | |
| 1531 } | |
| 1532 | |
| 1533 if (! digits || result > 0777 || i < slen) | |
| 1534 result = -1; | |
| 1535 | |
| 1536 return result; | |
| 1537 } | |
| 1538 | |
| 1539 void | |
| 1540 command_editor::error (int err_num) | |
| 1541 { | |
| 10411 | 1542 current_liboctave_error_handler ("%s", gnulib::strerror (err_num)); |
| 2926 | 1543 } |
| 1544 | |
| 1545 void | |
| 3504 | 1546 command_editor::error (const std::string& s) |
| 2926 | 1547 { |
| 2941 | 1548 current_liboctave_error_handler ("%s", s.c_str ()); |
| 2926 | 1549 } |