Mercurial > hg > octave-nkf
annotate liboctave/util/cmd-edit.cc @ 15467:049e8bbff782
maint: periodic merge of stable to default
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 01 Oct 2012 18:30:44 -0400 |
| parents | liboctave/cmd-edit.cc@d174210ce1ec liboctave/cmd-edit.cc@648dabbb4c6b |
| children | 389b09a914e2 |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2012 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" |
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45 #include "singleton-cleanup.h" |
| 2926 | 46 |
| 47 command_editor *command_editor::instance = 0; | |
| 48 | |
| 6913 | 49 std::set<command_editor::startup_hook_fcn> command_editor::startup_hook_set; |
| 50 | |
| 51 std::set<command_editor::event_hook_fcn> command_editor::event_hook_set; | |
| 52 | |
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53 static octave_mutex event_hook_lock; |
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54 |
| 2926 | 55 #if defined (USE_READLINE) |
| 56 | |
| 57 #include <cstdio> | |
| 58 #include <cstdlib> | |
| 59 | |
| 3519 | 60 #include "oct-rl-edit.h" |
| 2926 | 61 |
| 62 class | |
| 63 gnu_readline : public command_editor | |
| 64 { | |
| 65 public: | |
| 66 | |
| 3519 | 67 typedef command_editor::startup_hook_fcn startup_hook_fcn; |
| 68 | |
| 6913 | 69 typedef command_editor::event_hook_fcn event_hook_fcn; |
| 2926 | 70 |
| 2941 | 71 typedef command_editor::completion_fcn completion_fcn; |
| 72 | |
| 2926 | 73 gnu_readline (void); |
| 74 | |
| 75 ~gnu_readline (void) { } | |
| 76 | |
| 3504 | 77 void do_set_name (const std::string& n); |
| 2926 | 78 |
| 3504 | 79 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 80 |
| 81 void do_set_input_stream (FILE *f); | |
| 82 | |
| 83 FILE *do_get_input_stream (void); | |
| 84 | |
| 85 void do_set_output_stream (FILE *f); | |
| 86 | |
| 87 FILE *do_get_output_stream (void); | |
| 88 | |
| 89 int do_terminal_rows (void); | |
| 90 | |
| 91 int do_terminal_cols (void); | |
| 92 | |
| 93 void do_clear_screen (void); | |
| 94 | |
| 3281 | 95 void do_resize_terminal (void); |
| 96 | |
| 3504 | 97 std::string newline_chars (void); |
| 2926 | 98 |
| 99 void do_restore_terminal_state (void); | |
| 100 | |
| 101 void do_blink_matching_paren (bool flag); | |
| 102 | |
| 3933 | 103 void do_set_basic_word_break_characters (const std::string& s); |
| 104 | |
| 105 void do_set_completer_word_break_characters (const std::string& s); | |
| 106 | |
| 3504 | 107 void do_set_basic_quote_characters (const std::string& s); |
| 2926 | 108 |
| 6979 | 109 void do_set_filename_quote_characters (const std::string& s); |
| 110 | |
| 111 void do_set_completer_quote_characters (const std::string& s); | |
| 112 | |
| 2926 | 113 void do_set_completion_append_character (char c); |
| 114 | |
| 2941 | 115 void do_set_completion_function (completion_fcn f); |
| 116 | |
| 6979 | 117 void do_set_quoting_function (quoting_fcn f); |
| 118 | |
| 119 void do_set_dequoting_function (dequoting_fcn f); | |
| 120 | |
| 121 void do_set_char_is_quoted_function (char_is_quoted_fcn f); | |
| 122 | |
| 123 void do_set_user_accept_line_function (user_accept_line_fcn f); | |
| 124 | |
| 2941 | 125 completion_fcn do_get_completion_function (void) const; |
| 2926 | 126 |
| 6979 | 127 quoting_fcn do_get_quoting_function (void) const; |
| 128 | |
| 129 dequoting_fcn do_get_dequoting_function (void) const; | |
| 130 | |
| 131 char_is_quoted_fcn do_get_char_is_quoted_function (void) const; | |
| 132 | |
| 133 user_accept_line_fcn do_get_user_accept_line_function (void) const; | |
| 134 | |
| 4604 | 135 string_vector |
| 136 do_generate_filename_completions (const std::string& text); | |
| 137 | |
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138 std::string do_get_line_buffer (void) const; |
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139 |
| 3504 | 140 void do_insert_text (const std::string& text); |
| 2926 | 141 |
| 142 void do_newline (void); | |
| 143 | |
| 6979 | 144 void do_accept_line (void); |
| 145 | |
| 2926 | 146 void do_clear_undo_list (void); |
| 147 | |
| 6913 | 148 void set_startup_hook (startup_hook_fcn f); |
| 149 | |
| 150 void restore_startup_hook (void); | |
| 2926 | 151 |
| 6913 | 152 void set_event_hook (event_hook_fcn f); |
| 2926 | 153 |
| 6913 | 154 void restore_event_hook (void); |
| 3215 | 155 |
| 156 void do_restore_event_hook (void); | |
| 157 | |
| 3504 | 158 void do_read_init_file (const std::string& file); |
| 3189 | 159 |
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160 void do_re_read_init_file (void); |
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161 |
| 4143 | 162 bool do_filename_completion_desired (bool); |
| 163 | |
| 6979 | 164 bool do_filename_quoting_desired (bool); |
| 165 | |
| 3519 | 166 static int operate_and_get_next (int, int); |
| 2926 | 167 |
| 3951 | 168 static int history_search_backward (int, int); |
| 169 | |
| 170 static int history_search_forward (int, int); | |
| 171 | |
| 2926 | 172 private: |
| 173 | |
| 3519 | 174 startup_hook_fcn previous_startup_hook; |
| 2926 | 175 |
| 3519 | 176 event_hook_fcn previous_event_hook; |
| 3215 | 177 |
| 2941 | 178 completion_fcn completion_function; |
| 179 | |
| 6979 | 180 quoting_fcn quoting_function; |
| 181 | |
| 182 dequoting_fcn dequoting_function; | |
| 183 | |
| 184 char_is_quoted_fcn char_is_quoted_function; | |
| 185 | |
| 186 user_accept_line_fcn user_accept_line_function; | |
| 187 | |
| 2941 | 188 static char *command_generator (const char *text, int state); |
| 189 | |
| 6979 | 190 static char *command_quoter (char *text, int match_type, char *quote_pointer); |
| 191 static char *command_dequoter (char *text, int match_type); | |
| 192 | |
| 193 static int command_char_is_quoted (char *text, int index); | |
| 194 | |
| 195 static int command_accept_line (int count, int key); | |
| 196 | |
| 3519 | 197 static char **command_completer (const char *text, int start, int end); |
| 2926 | 198 }; |
| 199 | |
| 200 gnu_readline::gnu_readline () | |
| 3215 | 201 : command_editor (), previous_startup_hook (0), |
| 6979 | 202 previous_event_hook (0), completion_function (0), |
| 203 quoting_function (0), dequoting_function (0), | |
| 204 char_is_quoted_function (0), user_accept_line_function (0) | |
| 2926 | 205 { |
| 5775 | 206 // FIXME -- need interface to rl_add_defun, rl_initialize, and |
| 3519 | 207 // a function to set rl_terminal_name |
| 3225 | 208 |
| 3520 | 209 std::string term = octave_env::getenv ("TERM"); |
| 3519 | 210 |
| 211 octave_rl_set_terminal_name (term.c_str ()); | |
| 212 | |
| 213 octave_rl_initialize (); | |
| 2926 | 214 |
| 215 do_blink_matching_paren (true); | |
| 216 | |
| 5452 | 217 // Bind operate-and-get-next. |
| 2926 | 218 |
| 3519 | 219 octave_rl_add_defun ("operate-and-get-next", |
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220 gnu_readline::operate_and_get_next, |
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221 octave_rl_ctrl ('O')); |
| 2926 | 222 |
| 5452 | 223 // And the history search functions. |
| 2926 | 224 |
| 3519 | 225 octave_rl_add_defun ("history-search-backward", |
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226 gnu_readline::history_search_backward, |
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227 octave_rl_meta ('P')); |
| 2926 | 228 |
| 3519 | 229 octave_rl_add_defun ("history-search-forward", |
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230 gnu_readline::history_search_forward, |
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231 octave_rl_meta ('N')); |
| 2926 | 232 } |
| 233 | |
| 234 void | |
| 3519 | 235 gnu_readline::do_set_name (const std::string& nm) |
| 2926 | 236 { |
| 3519 | 237 ::octave_rl_set_name (nm.c_str ()); |
| 2926 | 238 } |
| 239 | |
| 3504 | 240 std::string |
| 241 gnu_readline::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 242 { |
| 3504 | 243 std::string retval; |
| 2926 | 244 |
| 3219 | 245 eof = false; |
| 246 | |
| 5247 | 247 char *line = 0; |
| 248 | |
| 5336 | 249 const char *p = prompt.c_str (); |
| 250 | |
| 5452 | 251 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 5247 | 252 |
| 5336 | 253 line = ::octave_rl_readline (p); |
| 5247 | 254 |
| 5452 | 255 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
| 2926 | 256 |
| 257 if (line) | |
| 258 { | |
| 259 retval = line; | |
| 260 | |
| 261 free (line); | |
| 262 } | |
| 3219 | 263 else |
| 264 eof = true; | |
| 2926 | 265 |
| 266 return retval; | |
| 267 } | |
| 268 | |
| 269 void | |
| 270 gnu_readline::do_set_input_stream (FILE *f) | |
| 271 { | |
| 3519 | 272 ::octave_rl_set_input_stream (f); |
| 2926 | 273 } |
| 274 | |
| 275 FILE * | |
| 276 gnu_readline::do_get_input_stream (void) | |
| 277 { | |
| 3519 | 278 return ::octave_rl_get_input_stream (); |
| 2926 | 279 } |
| 280 | |
| 281 void | |
| 282 gnu_readline::do_set_output_stream (FILE *f) | |
| 283 { | |
| 3519 | 284 ::octave_rl_set_output_stream (f); |
| 2926 | 285 } |
| 286 | |
| 287 FILE * | |
| 288 gnu_readline::do_get_output_stream (void) | |
| 289 { | |
| 3519 | 290 return ::octave_rl_get_output_stream (); |
| 2926 | 291 } |
| 292 | |
| 293 // GNU readline handles SIGWINCH, so these values have a good chance | |
| 294 // of being correct even if the window changes size (they may be | |
| 295 // wrong if, for example, the luser changes the window size while the | |
| 296 // pager is running, and the signal is handled by the pager instead of | |
| 297 // us. | |
| 298 | |
| 299 int | |
| 300 gnu_readline::do_terminal_rows (void) | |
| 301 { | |
| 3519 | 302 int sh = ::octave_rl_screen_height (); |
| 303 | |
| 304 return sh > 0 ? sh : 24; | |
| 2926 | 305 } |
| 306 | |
| 307 int | |
| 308 gnu_readline::do_terminal_cols (void) | |
| 309 { | |
| 3519 | 310 int sw = ::octave_rl_screen_width (); |
| 311 | |
| 312 return sw > 0 ? sw : 80; | |
| 2926 | 313 } |
| 314 | |
| 315 void | |
| 316 gnu_readline::do_clear_screen (void) | |
| 317 { | |
| 3519 | 318 ::octave_rl_clear_screen (); |
| 2926 | 319 } |
| 320 | |
| 3281 | 321 void |
| 322 gnu_readline::do_resize_terminal (void) | |
| 323 { | |
| 3519 | 324 ::octave_rl_resize_terminal (); |
| 3281 | 325 } |
| 326 | |
| 3504 | 327 std::string |
| 2926 | 328 gnu_readline::newline_chars (void) |
| 329 { | |
| 330 return "\r\n"; | |
| 331 } | |
| 332 | |
| 333 void | |
| 334 gnu_readline::do_restore_terminal_state (void) | |
| 335 { | |
| 3519 | 336 ::octave_rl_restore_terminal_state (); |
| 2926 | 337 } |
| 338 | |
| 339 void | |
| 340 gnu_readline::do_blink_matching_paren (bool flag) | |
| 341 { | |
| 3779 | 342 ::octave_rl_enable_paren_matching (flag ? 1 : 0); |
| 2926 | 343 } |
| 344 | |
| 345 void | |
| 3933 | 346 gnu_readline::do_set_basic_word_break_characters (const std::string& s) |
| 347 { | |
| 348 ::octave_rl_set_basic_word_break_characters (s.c_str ()); | |
| 349 } | |
| 350 | |
| 351 void | |
| 352 gnu_readline::do_set_completer_word_break_characters (const std::string& s) | |
| 353 { | |
| 354 ::octave_rl_set_completer_word_break_characters (s.c_str ()); | |
| 355 } | |
| 356 | |
| 357 void | |
| 3504 | 358 gnu_readline::do_set_basic_quote_characters (const std::string& s) |
| 2926 | 359 { |
| 3519 | 360 ::octave_rl_set_basic_quote_characters (s.c_str ()); |
| 2926 | 361 } |
| 362 | |
| 363 void | |
| 6979 | 364 gnu_readline::do_set_filename_quote_characters (const std::string& s) |
| 365 { | |
| 366 ::octave_rl_set_filename_quote_characters (s.c_str ()); | |
| 367 } | |
| 368 | |
| 369 void | |
| 370 gnu_readline::do_set_completer_quote_characters (const std::string& s) | |
| 371 { | |
| 372 ::octave_rl_set_completer_quote_characters (s.c_str ()); | |
| 373 } | |
| 374 | |
| 375 void | |
| 2926 | 376 gnu_readline::do_set_completion_append_character (char c) |
| 377 { | |
| 3519 | 378 ::octave_rl_set_completion_append_character (c); |
| 2926 | 379 } |
| 380 | |
| 381 void | |
| 2941 | 382 gnu_readline::do_set_completion_function (completion_fcn f) |
| 2926 | 383 { |
| 2941 | 384 completion_function = f; |
| 385 | |
| 3519 | 386 rl_attempted_completion_fcn_ptr fp |
| 387 = f ? gnu_readline::command_completer : 0; | |
| 2941 | 388 |
| 3519 | 389 ::octave_rl_set_completion_function (fp); |
| 2941 | 390 } |
| 391 | |
| 6979 | 392 void |
| 393 gnu_readline::do_set_quoting_function (quoting_fcn f) | |
| 394 { | |
| 395 quoting_function = f; | |
| 396 | |
| 397 rl_quoting_fcn_ptr fp | |
| 398 = f ? gnu_readline::command_quoter : 0; | |
| 399 | |
| 400 ::octave_rl_set_quoting_function (fp); | |
| 401 } | |
| 402 | |
| 403 void | |
| 404 gnu_readline::do_set_dequoting_function (dequoting_fcn f) | |
| 405 { | |
| 406 dequoting_function = f; | |
| 407 | |
| 408 rl_dequoting_fcn_ptr fp | |
| 409 = f ? gnu_readline::command_dequoter : 0; | |
| 410 | |
| 411 ::octave_rl_set_dequoting_function (fp); | |
| 412 } | |
| 413 | |
| 414 void | |
| 415 gnu_readline::do_set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 416 { | |
| 417 char_is_quoted_function = f; | |
| 418 | |
| 419 rl_char_is_quoted_fcn_ptr fp | |
| 420 = f ? gnu_readline::command_char_is_quoted : 0; | |
| 421 | |
| 422 ::octave_rl_set_char_is_quoted_function (fp); | |
| 423 } | |
| 424 | |
| 425 void | |
| 426 gnu_readline::do_set_user_accept_line_function (user_accept_line_fcn f) | |
| 427 { | |
| 428 user_accept_line_function = f; | |
| 429 | |
| 430 if (f) | |
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431 octave_rl_add_defun ("accept-line", gnu_readline::command_accept_line, |
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432 ::octave_rl_ctrl ('M')); |
| 6979 | 433 else |
| 434 octave_rl_add_defun ("accept-line", ::octave_rl_newline, | |
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435 ::octave_rl_ctrl ('M')); |
| 6979 | 436 } |
| 437 | |
| 2941 | 438 gnu_readline::completion_fcn |
| 439 gnu_readline::do_get_completion_function (void) const | |
| 440 { | |
| 441 return completion_function; | |
| 2926 | 442 } |
| 443 | |
| 6979 | 444 gnu_readline::quoting_fcn |
| 445 gnu_readline::do_get_quoting_function (void) const | |
| 446 { | |
| 447 return quoting_function; | |
| 448 } | |
| 449 | |
| 450 gnu_readline::dequoting_fcn | |
| 451 gnu_readline::do_get_dequoting_function (void) const | |
| 452 { | |
| 453 return dequoting_function; | |
| 454 } | |
| 455 | |
| 456 gnu_readline::char_is_quoted_fcn | |
| 457 gnu_readline::do_get_char_is_quoted_function (void) const | |
| 458 { | |
| 459 return char_is_quoted_function; | |
| 460 } | |
| 461 | |
| 462 gnu_readline::user_accept_line_fcn | |
| 463 gnu_readline::do_get_user_accept_line_function (void) const | |
| 464 { | |
| 465 return user_accept_line_function; | |
| 466 } | |
| 467 | |
| 4604 | 468 string_vector |
| 469 gnu_readline::do_generate_filename_completions (const std::string& text) | |
| 470 { | |
| 471 string_vector retval; | |
| 472 | |
| 473 int n = 0; | |
| 474 int count = 0; | |
| 475 | |
| 476 char *fn = 0; | |
| 477 | |
| 478 while (1) | |
| 479 { | |
| 480 fn = ::octave_rl_filename_completion_function (text.c_str (), count); | |
| 481 | |
| 482 if (fn) | |
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483 { |
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484 if (count == n) |
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485 { |
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486 // Famous last words: Most large directories will not |
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487 // have more than a few hundred files, so we should not |
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488 // resize too many times even if the growth is linear... |
| 4604 | 489 |
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490 n += 100; |
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491 retval.resize (n); |
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492 } |
| 4604 | 493 |
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494 retval[count++] = fn; |
| 4604 | 495 |
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496 free (fn); |
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497 } |
| 4604 | 498 else |
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499 break; |
| 4604 | 500 } |
| 501 | |
| 502 retval.resize (count); | |
| 503 | |
| 504 return retval; | |
| 505 } | |
| 506 | |
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507 std::string |
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508 gnu_readline::do_get_line_buffer (void) const |
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509 { |
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510 return ::octave_rl_line_buffer (); |
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511 } |
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512 |
| 2926 | 513 void |
| 3504 | 514 gnu_readline::do_insert_text (const std::string& text) |
| 2926 | 515 { |
| 3519 | 516 ::octave_rl_insert_text (text.c_str ()); |
| 2926 | 517 } |
| 518 | |
| 519 void | |
| 520 gnu_readline::do_newline (void) | |
| 521 { | |
| 6979 | 522 ::octave_rl_newline (1, '\n'); |
| 523 } | |
| 524 | |
| 525 void | |
| 526 gnu_readline::do_accept_line (void) | |
| 527 { | |
| 528 command_accept_line (1, '\n'); | |
| 2926 | 529 } |
| 530 | |
| 531 void | |
| 532 gnu_readline::do_clear_undo_list () | |
| 533 { | |
| 3519 | 534 ::octave_rl_clear_undo_list (); |
| 2926 | 535 } |
| 536 | |
| 537 void | |
| 6913 | 538 gnu_readline::set_startup_hook (startup_hook_fcn f) |
| 2926 | 539 { |
| 3519 | 540 previous_startup_hook = ::octave_rl_get_startup_hook (); |
| 2926 | 541 |
| 6917 | 542 if (f != previous_startup_hook) |
| 543 ::octave_rl_set_startup_hook (f); | |
| 2926 | 544 } |
| 545 | |
| 546 void | |
| 6913 | 547 gnu_readline::restore_startup_hook (void) |
| 2926 | 548 { |
| 3519 | 549 ::octave_rl_set_startup_hook (previous_startup_hook); |
| 2926 | 550 } |
| 551 | |
| 552 void | |
| 6913 | 553 gnu_readline::set_event_hook (event_hook_fcn f) |
| 3215 | 554 { |
| 3519 | 555 previous_event_hook = octave_rl_get_event_hook (); |
| 3215 | 556 |
| 3519 | 557 ::octave_rl_set_event_hook (f); |
| 3215 | 558 } |
| 559 | |
| 560 void | |
| 6913 | 561 gnu_readline::restore_event_hook (void) |
| 3215 | 562 { |
| 3519 | 563 ::octave_rl_set_event_hook (previous_event_hook); |
| 3215 | 564 } |
| 565 | |
| 566 void | |
| 3504 | 567 gnu_readline::do_read_init_file (const std::string& file) |
| 3189 | 568 { |
| 3519 | 569 ::octave_rl_read_init_file (file.c_str ()); |
| 3189 | 570 } |
| 571 | |
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572 void |
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573 gnu_readline::do_re_read_init_file (void) |
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574 { |
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575 ::octave_rl_re_read_init_file (); |
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576 } |
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577 |
| 4143 | 578 bool |
| 579 gnu_readline::do_filename_completion_desired (bool arg) | |
| 580 { | |
| 581 return ::octave_rl_filename_completion_desired (arg); | |
| 582 } | |
| 583 | |
| 6979 | 584 bool |
| 585 gnu_readline::do_filename_quoting_desired (bool arg) | |
| 586 { | |
| 587 return ::octave_rl_filename_quoting_desired (arg); | |
| 588 } | |
| 589 | |
| 3519 | 590 int |
| 2926 | 591 gnu_readline::operate_and_get_next (int /* count */, int /* c */) |
| 592 { | |
| 593 // Accept the current line. | |
| 594 | |
| 6979 | 595 command_editor::accept_line (); |
| 2926 | 596 |
| 597 // Find the current line, and find the next line to use. | |
| 598 | |
| 599 int x_where = command_history::where (); | |
| 600 | |
| 601 int x_length = command_history::length (); | |
| 602 | |
| 603 if ((command_history::is_stifled () | |
| 604 && (x_length >= command_history::max_input_history ())) | |
| 605 || (x_where >= x_length - 1)) | |
| 606 command_history::set_mark (x_where); | |
| 607 else | |
| 608 command_history::set_mark (x_where + 1); | |
| 609 | |
| 6913 | 610 command_editor::add_startup_hook (command_history::goto_mark); |
| 3519 | 611 |
| 612 return 0; | |
| 2926 | 613 } |
| 614 | |
| 3951 | 615 int |
| 616 gnu_readline::history_search_backward (int count, int c) | |
| 617 { | |
| 618 return octave_rl_history_search_backward (count, c); | |
| 619 } | |
| 620 | |
| 621 int | |
| 622 gnu_readline::history_search_forward (int count, int c) | |
| 623 { | |
| 624 return octave_rl_history_search_forward (count, c); | |
| 625 } | |
| 626 | |
| 2941 | 627 char * |
| 628 gnu_readline::command_generator (const char *text, int state) | |
| 629 { | |
| 630 char *retval = 0; | |
| 631 | |
| 632 completion_fcn f = command_editor::get_completion_function (); | |
| 633 | |
| 3504 | 634 std::string tmp = f (text, state); |
| 2941 | 635 |
| 636 size_t len = tmp.length (); | |
| 637 | |
| 638 if (len > 0) | |
| 639 { | |
| 10411 | 640 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 2941 | 641 |
| 642 strcpy (retval, tmp.c_str ()); | |
| 643 } | |
| 644 | |
| 645 return retval; | |
| 646 } | |
| 647 | |
| 6979 | 648 char * |
| 649 gnu_readline::command_quoter (char *text, int matches, char *qcp) | |
| 650 { | |
| 651 char *retval = 0; | |
| 652 | |
| 653 quoting_fcn f = command_editor::get_quoting_function (); | |
| 654 | |
| 655 std::string tmp = f (text, matches, *qcp); | |
| 656 | |
| 657 size_t len = tmp.length (); | |
| 658 | |
| 659 if (len > 0) | |
| 660 { | |
| 10411 | 661 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 6979 | 662 |
| 663 strcpy (retval, tmp.c_str ()); | |
| 664 } | |
| 665 | |
| 666 return retval; | |
| 667 } | |
| 668 | |
| 669 char * | |
| 670 gnu_readline::command_dequoter (char *text, int quote) | |
| 671 { | |
| 672 char *retval = 0; | |
| 673 | |
| 674 dequoting_fcn f = command_editor::get_dequoting_function (); | |
| 675 | |
| 676 std::string tmp = f (text, quote); | |
| 677 | |
| 678 size_t len = tmp.length (); | |
| 679 | |
| 680 if (len > 0) | |
| 681 { | |
| 10411 | 682 retval = static_cast<char *> (gnulib::malloc (len+1)); |
| 6979 | 683 |
| 684 strcpy (retval, tmp.c_str ()); | |
| 685 } | |
| 686 | |
| 687 return retval; | |
| 688 } | |
| 689 | |
| 690 int | |
| 691 gnu_readline::command_char_is_quoted (char *text, int quote) | |
| 692 { | |
| 693 char_is_quoted_fcn f = command_editor::get_char_is_quoted_function (); | |
| 694 | |
| 695 return f (text, quote); | |
| 696 } | |
| 697 | |
| 698 int | |
| 699 gnu_readline::command_accept_line (int count, int key) | |
| 700 { | |
| 701 user_accept_line_fcn f = command_editor::get_user_accept_line_function (); | |
| 702 | |
| 703 if (f) | |
| 704 f (::octave_rl_line_buffer ()); | |
| 705 | |
| 706 ::octave_rl_redisplay (); | |
| 707 | |
| 708 return ::octave_rl_newline (count, key); | |
| 709 } | |
| 710 | |
| 2941 | 711 char ** |
| 3519 | 712 gnu_readline::command_completer (const char *text, int, int) |
| 2941 | 713 { |
| 714 char **matches = 0; | |
| 3519 | 715 matches |
| 716 = ::octave_rl_completion_matches (text, gnu_readline::command_generator); | |
| 2941 | 717 return matches; |
| 718 } | |
| 719 | |
| 2926 | 720 #endif |
| 721 | |
| 722 class | |
| 723 default_command_editor : public command_editor | |
| 724 { | |
| 725 public: | |
| 726 | |
| 727 default_command_editor (void) | |
| 728 : command_editor (), input_stream (stdin), output_stream (stdout) { } | |
| 729 | |
| 730 ~default_command_editor (void) { } | |
| 731 | |
| 3504 | 732 std::string do_readline (const std::string& prompt, bool& eof); |
| 2926 | 733 |
| 734 void do_set_input_stream (FILE *f); | |
| 735 | |
| 736 FILE *do_get_input_stream (void); | |
| 737 | |
| 738 void do_set_output_stream (FILE *f); | |
| 739 | |
| 740 FILE *do_get_output_stream (void); | |
| 741 | |
| 4604 | 742 string_vector do_generate_filename_completions (const std::string& text); |
| 743 | |
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744 std::string do_get_line_buffer (void) const; |
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745 |
| 3504 | 746 void do_insert_text (const std::string&); |
| 2926 | 747 |
| 748 void do_newline (void); | |
| 749 | |
| 6979 | 750 void do_accept_line (void); |
| 751 | |
| 2926 | 752 private: |
| 753 | |
| 754 FILE *input_stream; | |
| 755 | |
| 756 FILE *output_stream; | |
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757 |
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758 // No copying! |
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759 |
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760 default_command_editor (const default_command_editor&); |
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761 |
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762 default_command_editor& operator = (const default_command_editor&); |
| 2926 | 763 }; |
| 764 | |
| 3504 | 765 std::string |
| 766 default_command_editor::do_readline (const std::string& prompt, bool& eof) | |
| 2926 | 767 { |
| 10411 | 768 gnulib::fputs (prompt.c_str (), output_stream); |
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769 gnulib::fflush (output_stream); |
| 2926 | 770 |
| 4527 | 771 return octave_fgetl (input_stream, eof); |
| 2926 | 772 } |
| 773 | |
| 774 void | |
| 775 default_command_editor::do_set_input_stream (FILE *f) | |
| 776 { | |
| 777 input_stream = f; | |
| 778 } | |
| 779 | |
| 780 FILE * | |
| 781 default_command_editor::do_get_input_stream (void) | |
| 782 { | |
| 783 return input_stream; | |
| 784 } | |
| 785 | |
| 786 void | |
| 787 default_command_editor::do_set_output_stream (FILE *f) | |
| 788 { | |
| 789 output_stream = f; | |
| 790 } | |
| 791 | |
| 792 FILE * | |
| 793 default_command_editor::do_get_output_stream (void) | |
| 794 { | |
| 795 return output_stream; | |
| 796 } | |
| 797 | |
| 4604 | 798 string_vector |
| 4663 | 799 default_command_editor::do_generate_filename_completions (const std::string&) |
| 4604 | 800 { |
| 5775 | 801 // FIXME |
| 4604 | 802 return string_vector (); |
| 803 } | |
| 804 | |
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805 std::string |
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806 default_command_editor::do_get_line_buffer (void) const |
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807 { |
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808 return ""; |
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809 } |
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810 |
| 2926 | 811 void |
| 3504 | 812 default_command_editor::do_insert_text (const std::string&) |
| 2926 | 813 { |
| 5775 | 814 // FIXME |
| 2926 | 815 } |
| 816 | |
| 817 void | |
| 818 default_command_editor::do_newline (void) | |
| 819 { | |
| 5775 | 820 // FIXME |
| 2926 | 821 } |
| 822 | |
| 6979 | 823 void |
| 824 default_command_editor::do_accept_line (void) | |
| 825 { | |
| 826 // FIXME | |
| 827 } | |
| 828 | |
| 2926 | 829 bool |
| 830 command_editor::instance_ok (void) | |
| 831 { | |
| 832 bool retval = true; | |
| 833 | |
| 834 if (! instance) | |
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835 { |
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836 make_command_editor (); |
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837 |
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838 if (instance) |
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839 singleton_cleanup_list::add (cleanup_instance); |
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840 } |
| 2926 | 841 |
| 842 if (! instance) | |
| 843 { | |
| 2941 | 844 current_liboctave_error_handler |
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845 ("unable to create command history object!"); |
| 2926 | 846 |
| 847 retval = false; | |
| 848 } | |
| 849 | |
| 850 return retval; | |
| 851 } | |
| 852 | |
| 853 void | |
| 854 command_editor::make_command_editor (void) | |
| 855 { | |
| 856 #if defined (USE_READLINE) | |
| 857 instance = new gnu_readline (); | |
| 858 #else | |
| 859 instance = new default_command_editor (); | |
| 860 #endif | |
| 861 } | |
| 862 | |
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863 void |
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864 command_editor::force_default_editor (void) |
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865 { |
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866 delete instance; |
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867 instance = new default_command_editor (); |
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868 } |
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869 |
| 6913 | 870 int |
| 871 command_editor::startup_handler (void) | |
| 872 { | |
| 873 for (startup_hook_set_iterator p = startup_hook_set.begin (); | |
| 874 p != startup_hook_set.end (); p++) | |
| 875 { | |
| 876 startup_hook_fcn f = *p; | |
| 877 | |
| 878 if (f) | |
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879 f (); |
| 6913 | 880 } |
| 881 | |
| 882 return 0; | |
| 883 } | |
| 884 | |
| 885 int | |
| 886 command_editor::event_handler (void) | |
| 887 { | |
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888 event_hook_lock.lock (); |
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889 |
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890 std::set<event_hook_fcn> hook_set (event_hook_set); |
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891 |
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892 event_hook_lock.unlock (); |
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893 |
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894 for (event_hook_set_iterator p = hook_set.begin (); |
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895 p != hook_set.end (); p++) |
| 6913 | 896 { |
| 897 event_hook_fcn f = *p; | |
| 898 | |
| 899 if (f) | |
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900 f (); |
| 6913 | 901 } |
| 902 | |
| 903 return 0; | |
| 904 } | |
| 905 | |
| 2926 | 906 void |
| 3504 | 907 command_editor::set_name (const std::string& n) |
| 2926 | 908 { |
| 909 if (instance_ok ()) | |
| 910 instance->do_set_name (n); | |
| 911 } | |
| 912 | |
| 3504 | 913 std::string |
| 914 command_editor::readline (const std::string& prompt) | |
| 2926 | 915 { |
| 3219 | 916 bool eof; |
| 917 | |
| 918 return readline (prompt, eof); | |
| 919 } | |
| 920 | |
| 3504 | 921 std::string |
| 922 command_editor::readline (const std::string& prompt, bool& eof) | |
| 3219 | 923 { |
| 2926 | 924 return (instance_ok ()) |
| 3504 | 925 ? instance->do_readline (prompt, eof) : std::string (); |
| 2926 | 926 } |
| 927 | |
| 928 void | |
| 929 command_editor::set_input_stream (FILE *f) | |
| 930 { | |
| 931 if (instance_ok ()) | |
| 932 instance->do_set_input_stream (f); | |
| 933 } | |
| 934 | |
| 935 FILE * | |
| 936 command_editor::get_input_stream (void) | |
| 937 { | |
| 938 return (instance_ok ()) | |
| 939 ? instance->do_get_input_stream () : 0; | |
| 940 } | |
| 941 | |
| 942 void | |
| 943 command_editor::set_output_stream (FILE *f) | |
| 944 { | |
| 945 if (instance_ok ()) | |
| 946 instance->do_set_output_stream (f); | |
| 947 } | |
| 948 | |
| 949 FILE * | |
| 950 command_editor::get_output_stream (void) | |
| 951 { | |
| 952 return (instance_ok ()) | |
| 953 ? instance->do_get_output_stream () : 0; | |
| 954 } | |
| 955 | |
| 956 int | |
| 957 command_editor::terminal_rows (void) | |
| 958 { | |
| 959 return (instance_ok ()) | |
| 960 ? instance->do_terminal_rows () : -1; | |
| 961 } | |
| 962 | |
| 963 int | |
| 964 command_editor::terminal_cols (void) | |
| 965 { | |
| 966 return (instance_ok ()) | |
| 967 ? instance->do_terminal_cols () : -1; | |
| 968 } | |
| 969 | |
| 970 void | |
| 971 command_editor::clear_screen (void) | |
| 972 { | |
| 973 if (instance_ok ()) | |
| 974 instance->do_clear_screen (); | |
| 975 } | |
| 976 | |
| 3281 | 977 void |
| 978 command_editor::resize_terminal (void) | |
| 979 { | |
| 980 if (instance_ok ()) | |
| 981 instance->do_resize_terminal (); | |
| 982 } | |
| 983 | |
| 3504 | 984 std::string |
| 985 command_editor::decode_prompt_string (const std::string& s) | |
| 2926 | 986 { |
| 987 return (instance_ok ()) | |
| 3504 | 988 ? instance->do_decode_prompt_string (s) : std::string (); |
| 2926 | 989 } |
| 990 | |
| 991 int | |
| 992 command_editor::current_command_number (void) | |
| 993 { | |
| 994 return (instance_ok ()) | |
| 995 ? instance->command_number : 0; | |
| 996 } | |
| 997 | |
| 998 void | |
| 999 command_editor::reset_current_command_number (int n) | |
| 1000 { | |
| 1001 if (instance_ok ()) | |
| 1002 instance->command_number = n; | |
| 1003 } | |
| 1004 | |
| 1005 void | |
| 2967 | 1006 command_editor::increment_current_command_number (void) |
| 1007 { | |
| 1008 if (instance_ok ()) | |
| 1009 instance->command_number++; | |
| 1010 } | |
| 1011 | |
| 1012 void | |
| 2926 | 1013 command_editor::restore_terminal_state (void) |
| 1014 { | |
| 1015 if (instance_ok ()) | |
| 1016 instance->do_restore_terminal_state (); | |
| 1017 } | |
| 1018 | |
| 1019 void | |
| 1020 command_editor::blink_matching_paren (bool flag) | |
| 1021 { | |
| 1022 if (instance_ok ()) | |
| 1023 instance->do_blink_matching_paren (flag); | |
| 1024 } | |
| 1025 | |
| 1026 void | |
| 3933 | 1027 command_editor::set_basic_word_break_characters (const std::string& s) |
| 1028 { | |
| 1029 if (instance_ok ()) | |
| 1030 instance->do_set_basic_word_break_characters (s); | |
| 1031 } | |
| 1032 | |
| 1033 void | |
| 1034 command_editor::set_completer_word_break_characters (const std::string& s) | |
| 1035 { | |
| 1036 if (instance_ok ()) | |
| 1037 instance->do_set_completer_word_break_characters (s); | |
| 1038 } | |
| 1039 | |
| 1040 void | |
| 3504 | 1041 command_editor::set_basic_quote_characters (const std::string& s) |
| 2926 | 1042 { |
| 1043 if (instance_ok ()) | |
| 3004 | 1044 instance->do_set_basic_quote_characters (s); |
| 2926 | 1045 } |
| 1046 | |
| 1047 void | |
| 6979 | 1048 command_editor::set_filename_quote_characters (const std::string& s) |
| 1049 { | |
| 1050 if (instance_ok ()) | |
| 1051 instance->do_set_filename_quote_characters (s); | |
| 1052 } | |
| 1053 | |
| 1054 void | |
| 1055 command_editor::set_completer_quote_characters (const std::string& s) | |
| 1056 { | |
| 1057 if (instance_ok ()) | |
| 1058 instance->do_set_completer_quote_characters (s); | |
| 1059 } | |
| 1060 | |
| 1061 void | |
| 2926 | 1062 command_editor::set_completion_append_character (char c) |
| 1063 { | |
| 1064 if (instance_ok ()) | |
| 1065 instance->do_set_completion_append_character (c); | |
| 1066 } | |
| 1067 | |
| 1068 void | |
| 2941 | 1069 command_editor::set_completion_function (completion_fcn f) |
| 2926 | 1070 { |
| 1071 if (instance_ok ()) | |
| 2941 | 1072 instance->do_set_completion_function (f); |
| 1073 } | |
| 1074 | |
| 6979 | 1075 void |
| 1076 command_editor::set_quoting_function (quoting_fcn f) | |
| 1077 { | |
| 1078 if (instance_ok ()) | |
| 1079 instance->do_set_quoting_function (f); | |
| 1080 } | |
| 1081 | |
| 1082 void | |
| 1083 command_editor::set_dequoting_function (dequoting_fcn f) | |
| 1084 { | |
| 1085 if (instance_ok ()) | |
| 1086 instance->do_set_dequoting_function (f); | |
| 1087 } | |
| 1088 | |
| 1089 void | |
| 1090 command_editor::set_char_is_quoted_function (char_is_quoted_fcn f) | |
| 1091 { | |
| 1092 if (instance_ok ()) | |
| 1093 instance->do_set_char_is_quoted_function (f); | |
| 1094 } | |
| 1095 | |
| 1096 void | |
| 1097 command_editor::set_user_accept_line_function (user_accept_line_fcn f) | |
| 1098 { | |
| 1099 if (instance_ok ()) | |
| 1100 instance->do_set_user_accept_line_function (f); | |
| 1101 } | |
| 1102 | |
| 2941 | 1103 command_editor::completion_fcn |
| 1104 command_editor::get_completion_function (void) | |
| 1105 { | |
| 1106 return (instance_ok ()) | |
| 1107 ? instance->do_get_completion_function () : 0; | |
| 2926 | 1108 } |
| 1109 | |
| 6979 | 1110 command_editor::quoting_fcn |
| 1111 command_editor::get_quoting_function (void) | |
| 1112 { | |
| 1113 return (instance_ok ()) | |
| 1114 ? instance->do_get_quoting_function () : 0; | |
| 1115 } | |
| 1116 | |
| 1117 command_editor::dequoting_fcn | |
| 1118 command_editor::get_dequoting_function (void) | |
| 1119 { | |
| 1120 return (instance_ok ()) | |
| 1121 ? instance->do_get_dequoting_function () : 0; | |
| 1122 } | |
| 1123 | |
| 1124 command_editor::char_is_quoted_fcn | |
| 1125 command_editor::get_char_is_quoted_function (void) | |
| 1126 { | |
| 1127 return (instance_ok ()) | |
| 1128 ? instance->do_get_char_is_quoted_function () : 0; | |
| 1129 } | |
| 1130 | |
| 1131 command_editor::user_accept_line_fcn | |
| 1132 command_editor::get_user_accept_line_function (void) | |
| 1133 { | |
| 1134 return (instance_ok ()) | |
| 1135 ? instance->do_get_user_accept_line_function () : 0; | |
| 1136 } | |
| 1137 | |
| 4604 | 1138 string_vector |
| 1139 command_editor::generate_filename_completions (const std::string& text) | |
| 1140 { | |
| 1141 return (instance_ok ()) | |
| 1142 ? instance->do_generate_filename_completions (text) : string_vector (); | |
| 1143 } | |
| 1144 | |
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1145 std::string |
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1146 command_editor::get_line_buffer (void) |
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1147 { |
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1148 return (instance_ok ()) ? instance->do_get_line_buffer () : ""; |
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1149 } |
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1150 |
| 2926 | 1151 void |
| 3504 | 1152 command_editor::insert_text (const std::string& text) |
| 2926 | 1153 { |
| 1154 if (instance_ok ()) | |
| 1155 instance->do_insert_text (text); | |
| 1156 } | |
| 1157 | |
| 1158 void | |
| 1159 command_editor::newline (void) | |
| 1160 { | |
| 1161 if (instance_ok ()) | |
| 1162 instance->do_newline (); | |
| 1163 } | |
| 1164 | |
| 1165 void | |
| 6979 | 1166 command_editor::accept_line (void) |
| 1167 { | |
| 1168 if (instance_ok ()) | |
| 1169 instance->do_accept_line (); | |
| 1170 } | |
| 1171 | |
| 1172 void | |
| 2926 | 1173 command_editor::clear_undo_list (void) |
| 1174 { | |
| 1175 if (instance_ok ()) | |
| 1176 instance->do_clear_undo_list (); | |
| 1177 } | |
| 1178 | |
| 1179 void | |
| 6913 | 1180 command_editor::add_startup_hook (startup_hook_fcn f) |
| 2926 | 1181 { |
| 1182 if (instance_ok ()) | |
| 6913 | 1183 { |
| 1184 startup_hook_set.insert (f); | |
| 1185 | |
| 1186 instance->set_startup_hook (startup_handler); | |
| 1187 } | |
| 2926 | 1188 } |
| 1189 | |
| 1190 void | |
| 6913 | 1191 command_editor::remove_startup_hook (startup_hook_fcn f) |
| 2926 | 1192 { |
| 1193 if (instance_ok ()) | |
| 6913 | 1194 { |
| 1195 startup_hook_set_iterator p = startup_hook_set.find (f); | |
| 1196 | |
| 1197 if (p != startup_hook_set.end ()) | |
|
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1198 startup_hook_set.erase (p); |
| 6913 | 1199 |
| 1200 if (startup_hook_set.empty ()) | |
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1201 instance->restore_startup_hook (); |
| 6913 | 1202 } |
| 2926 | 1203 } |
| 1204 | |
| 3189 | 1205 void |
| 6913 | 1206 command_editor::add_event_hook (event_hook_fcn f) |
| 3215 | 1207 { |
|
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1208 octave_autolock guard (event_hook_lock); |
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1209 |
| 3215 | 1210 if (instance_ok ()) |
| 6913 | 1211 { |
| 1212 event_hook_set.insert (f); | |
| 1213 | |
| 1214 instance->set_event_hook (event_handler); | |
| 1215 } | |
| 3215 | 1216 } |
| 1217 | |
| 1218 void | |
| 6913 | 1219 command_editor::remove_event_hook (event_hook_fcn f) |
| 3215 | 1220 { |
|
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1221 octave_autolock guard (event_hook_lock); |
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1222 |
| 3215 | 1223 if (instance_ok ()) |
| 6913 | 1224 { |
| 1225 event_hook_set_iterator p = event_hook_set.find (f); | |
| 1226 | |
| 1227 if (p != event_hook_set.end ()) | |
|
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1228 event_hook_set.erase (p); |
| 6913 | 1229 |
| 1230 if (event_hook_set.empty ()) | |
|
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1231 instance->restore_event_hook (); |
| 6913 | 1232 } |
| 3215 | 1233 } |
| 1234 | |
| 1235 void | |
|
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1236 command_editor::run_event_hooks (void) |
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1237 { |
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1238 event_handler (); |
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1239 } |
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1240 |
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1241 void |
| 5872 | 1242 command_editor::read_init_file (const std::string& file_arg) |
| 3189 | 1243 { |
| 1244 if (instance_ok ()) | |
| 5872 | 1245 { |
| 1246 std::string file = file_ops::tilde_expand (file_arg); | |
| 1247 | |
| 1248 instance->do_read_init_file (file); | |
| 1249 } | |
| 3189 | 1250 } |
| 1251 | |
|
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1252 void |
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1253 command_editor::re_read_init_file (void) |
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1254 { |
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1255 if (instance_ok ()) |
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1256 instance->do_re_read_init_file (); |
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1257 } |
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1258 |
| 4143 | 1259 bool |
| 1260 command_editor::filename_completion_desired (bool arg) | |
| 1261 { | |
| 1262 return (instance_ok ()) | |
| 1263 ? instance->do_filename_completion_desired (arg) : false; | |
| 1264 } | |
| 1265 | |
| 6979 | 1266 bool |
| 1267 command_editor::filename_quoting_desired (bool arg) | |
| 1268 { | |
| 1269 return (instance_ok ()) | |
| 1270 ? instance->do_filename_quoting_desired (arg) : false; | |
| 1271 } | |
| 1272 | |
| 2926 | 1273 // Return a string which will be printed as a prompt. The string may |
|
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1274 // contain special characters which are decoded as follows: |
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1275 // |
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1276 // \a bell (ascii 07) |
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1277 // \d the date |
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1278 // \e escape (ascii 033) |
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1279 // \h the hostname up to the first '.' |
|
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1280 // \H the hostname |
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1281 // \n CRLF |
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1282 // \r CR |
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1283 // \s the name of the shell (program) |
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1284 // \t the time |
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1285 // \T the time in 12-hour hh:mm:ss format |
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1286 // \@ the time in 12-hour hh:mm am/pm format |
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1287 // \A the time in 24-hour hh:mm format |
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1288 // \u your username |
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1289 // \w the current working directory |
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1290 // \W the last element of PWD |
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1291 // \! the history number of this command |
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1292 // \# the command number of this command |
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07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1293 // \$ a $ or a # if you are root |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1294 // \nnn character code nnn in octal |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1295 // \\ a backslash |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1296 // \[ begin a sequence of non-printing chars |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1297 // \] end a sequence of non-printing chars |
| 2926 | 1298 |
| 3504 | 1299 std::string |
| 1300 command_editor::do_decode_prompt_string (const std::string& s) | |
| 2926 | 1301 { |
| 3504 | 1302 std::string result; |
| 1303 std::string temp; | |
| 2926 | 1304 size_t i = 0; |
| 1305 size_t slen = s.length (); | |
| 1306 int c; | |
| 1307 | |
| 1308 while (i < slen) | |
| 1309 { | |
| 1310 c = s[i]; | |
| 1311 | |
| 1312 i++; | |
| 1313 | |
| 1314 if (c == '\\') | |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1315 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1316 c = s[i]; |
| 2926 | 1317 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1318 switch (c) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1319 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1320 case '0': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1321 case '1': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1322 case '2': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1323 case '3': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1324 case '4': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1325 case '5': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1326 case '6': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1327 case '7': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1328 // Maybe convert an octal number. |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1329 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1330 int n = read_octal (s.substr (i, 3)); |
| 2926 | 1331 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1332 temp = "\\"; |
| 2926 | 1333 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1334 if (n != -1) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1335 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1336 i += 3; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1337 temp[0] = n; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1338 } |
| 2926 | 1339 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1340 c = 0; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1341 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1342 } |
| 5442 | 1343 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1344 case 'a': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1345 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1346 temp = '\a'; |
| 5442 | 1347 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1348 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1349 } |
| 5442 | 1350 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1351 case 'e': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1352 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1353 temp = '\033'; |
| 5442 | 1354 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1355 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1356 } |
| 5442 | 1357 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1358 case 'r': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1359 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1360 temp = '\r'; |
| 5442 | 1361 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1362 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1363 } |
| 5442 | 1364 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1365 case 'd': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1366 case 't': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1367 case 'T': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1368 case '@': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1369 case 'A': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1370 // Make the current time/date into a string. |
|
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 octave_localtime now; |
| 2926 | 1373 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1374 if (c == 'd') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1375 temp = now.strftime ("%a %b %d"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1376 else if (c == 't') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1377 temp = now.strftime ("%H:%M:%S"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1378 else if (c == 'T') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1379 temp = now.strftime ("%I:%M:%S"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1380 else if (c == '@') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1381 temp = now.strftime ("%I:%M %p"); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1382 else if (c == 'A') |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1383 temp = now.strftime ("%H:%M"); |
| 2926 | 1384 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1385 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1386 } |
| 2926 | 1387 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1388 case 'n': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1389 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1390 temp = newline_chars (); |
| 2926 | 1391 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1392 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1393 } |
| 2926 | 1394 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1395 case 's': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1396 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1397 temp = octave_env::get_program_name (); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1398 temp = octave_env::base_pathname (temp); |
| 2926 | 1399 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1400 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1401 } |
| 5442 | 1402 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1403 case 'w': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1404 case 'W': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1405 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1406 temp = octave_env::get_current_directory (); |
| 2926 | 1407 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1408 std::string home_dir = octave_env::get_home_directory (); |
| 5442 | 1409 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1410 if (c == 'W' && (home_dir.empty () || temp != home_dir)) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1411 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1412 if (temp != "/" && temp != "//") |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1413 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1414 size_t pos = temp.rfind ('/'); |
| 2926 | 1415 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1416 if (pos != std::string::npos && pos != 0) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1417 temp = temp.substr (pos + 1); |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1418 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1419 } |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1420 else |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1421 temp = octave_env::polite_directory_format (temp); |
| 2926 | 1422 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1423 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1424 } |
| 5442 | 1425 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1426 case 'u': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1427 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1428 temp = octave_env::get_user_name (); |
| 2926 | 1429 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1430 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1431 } |
| 2926 | 1432 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1433 case 'H': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1434 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1435 temp = octave_env::get_host_name (); |
| 2926 | 1436 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1437 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1438 } |
| 2926 | 1439 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1440 case 'h': |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1441 { |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1442 temp = octave_env::get_host_name (); |
| 2926 | 1443 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1444 size_t pos = temp.find ('.'); |
| 2926 | 1445 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1446 if (pos != std::string::npos) |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1447 temp.resize (pos); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1448 |
|
10314
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1449 goto add_string; |
|
07ebe522dac2
untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1450 } |
| 2926 | 1451 |
|
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|
1452 case '#': |
|
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|
1453 { |
|
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|
1454 char number_buffer[128]; |
|
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|
1455 sprintf (number_buffer, "%d", command_number); |
|
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|
1456 temp = number_buffer; |
| 2926 | 1457 |
|
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|
1458 goto add_string; |
|
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|
1459 } |
| 2926 | 1460 |
|
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|
1461 case '!': |
|
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|
1462 { |
|
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|
1463 char number_buffer[128]; |
|
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untabify liboctave C++ sources
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|
1464 int num = command_history::current_number (); |
|
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|
1465 if (num > 0) |
| 2926 | 1466 sprintf (number_buffer, "%d", num); |
|
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|
1467 else |
|
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|
1468 strcpy (number_buffer, "!"); |
|
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|
1469 temp = number_buffer; |
| 2926 | 1470 |
|
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|
1471 goto add_string; |
|
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|
1472 } |
| 2926 | 1473 |
|
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|
1474 case '$': |
|
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|
1475 { |
| 4062 | 1476 #if defined (HAVE_GETEUID) |
|
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|
1477 temp = (::geteuid () == 0 ? "#" : "$"); |
| 4062 | 1478 #else |
|
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|
1479 temp = "$"; |
| 4062 | 1480 #endif |
| 2926 | 1481 |
|
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|
1482 goto add_string; |
|
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|
1483 } |
| 2926 | 1484 |
| 1485 #if defined (USE_READLINE) | |
|
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|
1486 case '[': |
|
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|
1487 case ']': |
|
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|
1488 { |
|
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|
1489 temp.resize (1); |
| 2926 | 1490 |
|
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|
1491 temp[0] = ((c == '[') |
|
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|
1492 ? ::octave_rl_prompt_start_ignore () |
|
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|
1493 : ::octave_rl_prompt_end_ignore ()); |
| 2926 | 1494 |
|
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|
1495 goto add_string; |
|
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|
1496 } |
| 2926 | 1497 #endif |
| 1498 | |
|
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|
1499 case '\\': |
|
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|
1500 { |
|
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changeset
|
1501 temp = "\\"; |
| 2926 | 1502 |
|
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changeset
|
1503 goto add_string; |
|
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|
1504 } |
| 2926 | 1505 |
|
10314
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changeset
|
1506 default: |
|
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diff
changeset
|
1507 { |
|
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diff
changeset
|
1508 temp = "\\ "; |
|
07ebe522dac2
untabify liboctave C++ sources
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changeset
|
1509 temp[1] = c; |
| 2926 | 1510 |
|
10314
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diff
changeset
|
1511 goto add_string; |
|
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diff
changeset
|
1512 } |
| 2926 | 1513 |
|
10314
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diff
changeset
|
1514 add_string: |
|
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diff
changeset
|
1515 { |
|
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untabify liboctave C++ sources
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diff
changeset
|
1516 if (c) |
|
07ebe522dac2
untabify liboctave C++ sources
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diff
changeset
|
1517 i++; |
| 2926 | 1518 |
|
10314
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diff
changeset
|
1519 result.append (temp); |
| 2926 | 1520 |
|
10314
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diff
changeset
|
1521 break; |
|
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diff
changeset
|
1522 } |
|
07ebe522dac2
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diff
changeset
|
1523 } |
|
07ebe522dac2
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diff
changeset
|
1524 } |
| 2926 | 1525 else |
|
10314
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1526 result += c; |
| 2926 | 1527 } |
| 1528 | |
| 1529 return result; | |
| 1530 } | |
| 1531 | |
| 1532 // Return the octal number parsed from STRING, or -1 to indicate that | |
| 1533 // the string contained a bad number. | |
| 1534 | |
| 1535 int | |
| 3504 | 1536 command_editor::read_octal (const std::string& s) |
| 2926 | 1537 { |
| 1538 int result = 0; | |
| 1539 int digits = 0; | |
| 1540 | |
| 1541 size_t i = 0; | |
| 1542 size_t slen = s.length (); | |
| 1543 | |
| 1544 while (i < slen && s[i] >= '0' && s[i] < '8') | |
| 1545 { | |
| 1546 digits++; | |
| 1547 result = (result * 8) + s[i] - '0'; | |
| 1548 i++; | |
| 1549 } | |
| 1550 | |
| 1551 if (! digits || result > 0777 || i < slen) | |
| 1552 result = -1; | |
| 1553 | |
| 1554 return result; | |
| 1555 } | |
| 1556 | |
| 1557 void | |
| 1558 command_editor::error (int err_num) | |
| 1559 { | |
| 10411 | 1560 current_liboctave_error_handler ("%s", gnulib::strerror (err_num)); |
| 2926 | 1561 } |
| 1562 | |
| 1563 void | |
| 3504 | 1564 command_editor::error (const std::string& s) |
| 2926 | 1565 { |
| 2941 | 1566 current_liboctave_error_handler ("%s", s.c_str ()); |
| 2926 | 1567 } |