1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott (at) gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 #include <sys/time.h> 21 22 #include <fnmatch.h> 23 #include <pwd.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <unistd.h> 27 28 #include "tmux.h" 29 30 extern const struct cmd_entry cmd_attach_session_entry; 31 extern const struct cmd_entry cmd_bind_key_entry; 32 extern const struct cmd_entry cmd_break_pane_entry; 33 extern const struct cmd_entry cmd_capture_pane_entry; 34 extern const struct cmd_entry cmd_choose_buffer_entry; 35 extern const struct cmd_entry cmd_choose_client_entry; 36 extern const struct cmd_entry cmd_choose_tree_entry; 37 extern const struct cmd_entry cmd_clear_history_entry; 38 extern const struct cmd_entry cmd_clear_prompt_history_entry; 39 extern const struct cmd_entry cmd_clock_mode_entry; 40 extern const struct cmd_entry cmd_command_prompt_entry; 41 extern const struct cmd_entry cmd_confirm_before_entry; 42 extern const struct cmd_entry cmd_copy_mode_entry; 43 extern const struct cmd_entry cmd_customize_mode_entry; 44 extern const struct cmd_entry cmd_delete_buffer_entry; 45 extern const struct cmd_entry cmd_detach_client_entry; 46 extern const struct cmd_entry cmd_display_menu_entry; 47 extern const struct cmd_entry cmd_display_message_entry; 48 extern const struct cmd_entry cmd_display_popup_entry; 49 extern const struct cmd_entry cmd_display_panes_entry; 50 extern const struct cmd_entry cmd_find_window_entry; 51 extern const struct cmd_entry cmd_has_session_entry; 52 extern const struct cmd_entry cmd_if_shell_entry; 53 extern const struct cmd_entry cmd_join_pane_entry; 54 extern const struct cmd_entry cmd_kill_pane_entry; 55 extern const struct cmd_entry cmd_kill_server_entry; 56 extern const struct cmd_entry cmd_kill_session_entry; 57 extern const struct cmd_entry cmd_kill_window_entry; 58 extern const struct cmd_entry cmd_last_pane_entry; 59 extern const struct cmd_entry cmd_last_window_entry; 60 extern const struct cmd_entry cmd_link_window_entry; 61 extern const struct cmd_entry cmd_list_buffers_entry; 62 extern const struct cmd_entry cmd_list_clients_entry; 63 extern const struct cmd_entry cmd_list_commands_entry; 64 extern const struct cmd_entry cmd_list_keys_entry; 65 extern const struct cmd_entry cmd_list_panes_entry; 66 extern const struct cmd_entry cmd_list_sessions_entry; 67 extern const struct cmd_entry cmd_list_windows_entry; 68 extern const struct cmd_entry cmd_load_buffer_entry; 69 extern const struct cmd_entry cmd_lock_client_entry; 70 extern const struct cmd_entry cmd_lock_server_entry; 71 extern const struct cmd_entry cmd_lock_session_entry; 72 extern const struct cmd_entry cmd_move_pane_entry; 73 extern const struct cmd_entry cmd_move_window_entry; 74 extern const struct cmd_entry cmd_new_session_entry; 75 extern const struct cmd_entry cmd_new_window_entry; 76 extern const struct cmd_entry cmd_next_layout_entry; 77 extern const struct cmd_entry cmd_next_window_entry; 78 extern const struct cmd_entry cmd_paste_buffer_entry; 79 extern const struct cmd_entry cmd_pipe_pane_entry; 80 extern const struct cmd_entry cmd_previous_layout_entry; 81 extern const struct cmd_entry cmd_previous_window_entry; 82 extern const struct cmd_entry cmd_refresh_client_entry; 83 extern const struct cmd_entry cmd_rename_session_entry; 84 extern const struct cmd_entry cmd_rename_window_entry; 85 extern const struct cmd_entry cmd_resize_pane_entry; 86 extern const struct cmd_entry cmd_resize_window_entry; 87 extern const struct cmd_entry cmd_respawn_pane_entry; 88 extern const struct cmd_entry cmd_respawn_window_entry; 89 extern const struct cmd_entry cmd_rotate_window_entry; 90 extern const struct cmd_entry cmd_run_shell_entry; 91 extern const struct cmd_entry cmd_save_buffer_entry; 92 extern const struct cmd_entry cmd_select_layout_entry; 93 extern const struct cmd_entry cmd_select_pane_entry; 94 extern const struct cmd_entry cmd_select_window_entry; 95 extern const struct cmd_entry cmd_send_keys_entry; 96 extern const struct cmd_entry cmd_send_prefix_entry; 97 extern const struct cmd_entry cmd_server_access_entry; 98 extern const struct cmd_entry cmd_set_buffer_entry; 99 extern const struct cmd_entry cmd_set_environment_entry; 100 extern const struct cmd_entry cmd_set_hook_entry; 101 extern const struct cmd_entry cmd_set_option_entry; 102 extern const struct cmd_entry cmd_set_window_option_entry; 103 extern const struct cmd_entry cmd_show_buffer_entry; 104 extern const struct cmd_entry cmd_show_environment_entry; 105 extern const struct cmd_entry cmd_show_hooks_entry; 106 extern const struct cmd_entry cmd_show_messages_entry; 107 extern const struct cmd_entry cmd_show_options_entry; 108 extern const struct cmd_entry cmd_show_prompt_history_entry; 109 extern const struct cmd_entry cmd_show_window_options_entry; 110 extern const struct cmd_entry cmd_source_file_entry; 111 extern const struct cmd_entry cmd_split_window_entry; 112 extern const struct cmd_entry cmd_start_server_entry; 113 extern const struct cmd_entry cmd_suspend_client_entry; 114 extern const struct cmd_entry cmd_swap_pane_entry; 115 extern const struct cmd_entry cmd_swap_window_entry; 116 extern const struct cmd_entry cmd_switch_client_entry; 117 extern const struct cmd_entry cmd_unbind_key_entry; 118 extern const struct cmd_entry cmd_unlink_window_entry; 119 extern const struct cmd_entry cmd_wait_for_entry; 120 121 const struct cmd_entry *cmd_table[] = { 122 &cmd_attach_session_entry, 123 &cmd_bind_key_entry, 124 &cmd_break_pane_entry, 125 &cmd_capture_pane_entry, 126 &cmd_choose_buffer_entry, 127 &cmd_choose_client_entry, 128 &cmd_choose_tree_entry, 129 &cmd_clear_history_entry, 130 &cmd_clear_prompt_history_entry, 131 &cmd_clock_mode_entry, 132 &cmd_command_prompt_entry, 133 &cmd_confirm_before_entry, 134 &cmd_copy_mode_entry, 135 &cmd_customize_mode_entry, 136 &cmd_delete_buffer_entry, 137 &cmd_detach_client_entry, 138 &cmd_display_menu_entry, 139 &cmd_display_message_entry, 140 &cmd_display_popup_entry, 141 &cmd_display_panes_entry, 142 &cmd_find_window_entry, 143 &cmd_has_session_entry, 144 &cmd_if_shell_entry, 145 &cmd_join_pane_entry, 146 &cmd_kill_pane_entry, 147 &cmd_kill_server_entry, 148 &cmd_kill_session_entry, 149 &cmd_kill_window_entry, 150 &cmd_last_pane_entry, 151 &cmd_last_window_entry, 152 &cmd_link_window_entry, 153 &cmd_list_buffers_entry, 154 &cmd_list_clients_entry, 155 &cmd_list_commands_entry, 156 &cmd_list_keys_entry, 157 &cmd_list_panes_entry, 158 &cmd_list_sessions_entry, 159 &cmd_list_windows_entry, 160 &cmd_load_buffer_entry, 161 &cmd_lock_client_entry, 162 &cmd_lock_server_entry, 163 &cmd_lock_session_entry, 164 &cmd_move_pane_entry, 165 &cmd_move_window_entry, 166 &cmd_new_session_entry, 167 &cmd_new_window_entry, 168 &cmd_next_layout_entry, 169 &cmd_next_window_entry, 170 &cmd_paste_buffer_entry, 171 &cmd_pipe_pane_entry, 172 &cmd_previous_layout_entry, 173 &cmd_previous_window_entry, 174 &cmd_refresh_client_entry, 175 &cmd_rename_session_entry, 176 &cmd_rename_window_entry, 177 &cmd_resize_pane_entry, 178 &cmd_resize_window_entry, 179 &cmd_respawn_pane_entry, 180 &cmd_respawn_window_entry, 181 &cmd_rotate_window_entry, 182 &cmd_run_shell_entry, 183 &cmd_save_buffer_entry, 184 &cmd_select_layout_entry, 185 &cmd_select_pane_entry, 186 &cmd_select_window_entry, 187 &cmd_send_keys_entry, 188 &cmd_send_prefix_entry, 189 &cmd_server_access_entry, 190 &cmd_set_buffer_entry, 191 &cmd_set_environment_entry, 192 &cmd_set_hook_entry, 193 &cmd_set_option_entry, 194 &cmd_set_window_option_entry, 195 &cmd_show_buffer_entry, 196 &cmd_show_environment_entry, 197 &cmd_show_hooks_entry, 198 &cmd_show_messages_entry, 199 &cmd_show_options_entry, 200 &cmd_show_prompt_history_entry, 201 &cmd_show_window_options_entry, 202 &cmd_source_file_entry, 203 &cmd_split_window_entry, 204 &cmd_start_server_entry, 205 &cmd_suspend_client_entry, 206 &cmd_swap_pane_entry, 207 &cmd_swap_window_entry, 208 &cmd_switch_client_entry, 209 &cmd_unbind_key_entry, 210 &cmd_unlink_window_entry, 211 &cmd_wait_for_entry, 212 NULL 213 }; 214 215 /* Instance of a command. */ 216 struct cmd { 217 const struct cmd_entry *entry; 218 struct args *args; 219 u_int group; 220 221 char *file; 222 u_int line; 223 int parse_flags; 224 225 TAILQ_ENTRY(cmd) qentry; 226 }; 227 TAILQ_HEAD(cmds, cmd); 228 229 /* Next group number for new command list. */ 230 static u_int cmd_list_next_group = 1; 231 232 /* Log an argument vector. */ 233 void printflike(3, 4) 234 cmd_log_argv(int argc, char **argv, const char *fmt, ...) 235 { 236 char *prefix; 237 va_list ap; 238 int i; 239 240 va_start(ap, fmt); 241 xvasprintf(&prefix, fmt, ap); 242 va_end(ap); 243 244 for (i = 0; i < argc; i++) 245 log_debug("%s: argv[%d]=%s", prefix, i, argv[i]); 246 free(prefix); 247 } 248 249 /* Prepend to an argument vector. */ 250 void 251 cmd_prepend_argv(int *argc, char ***argv, const char *arg) 252 { 253 char **new_argv; 254 int i; 255 256 new_argv = xreallocarray(NULL, (*argc) + 1, sizeof *new_argv); 257 new_argv[0] = xstrdup(arg); 258 for (i = 0; i < *argc; i++) 259 new_argv[1 + i] = (*argv)[i]; 260 261 free(*argv); 262 *argv = new_argv; 263 (*argc)++; 264 } 265 266 /* Append to an argument vector. */ 267 void 268 cmd_append_argv(int *argc, char ***argv, const char *arg) 269 { 270 *argv = xreallocarray(*argv, (*argc) + 1, sizeof **argv); 271 (*argv)[(*argc)++] = xstrdup(arg); 272 } 273 274 /* Pack an argument vector up into a buffer. */ 275 int 276 cmd_pack_argv(int argc, char **argv, char *buf, size_t len) 277 { 278 size_t arglen; 279 int i; 280 281 if (argc == 0) 282 return (0); 283 cmd_log_argv(argc, argv, "%s", __func__); 284 285 *buf = '\0'; 286 for (i = 0; i < argc; i++) { 287 if (strlcpy(buf, argv[i], len) >= len) 288 return (-1); 289 arglen = strlen(argv[i]) + 1; 290 buf += arglen; 291 len -= arglen; 292 } 293 294 return (0); 295 } 296 297 /* Unpack an argument vector from a packed buffer. */ 298 int 299 cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv) 300 { 301 int i; 302 size_t arglen; 303 304 if (argc == 0) 305 return (0); 306 *argv = xcalloc(argc, sizeof **argv); 307 308 buf[len - 1] = '\0'; 309 for (i = 0; i < argc; i++) { 310 if (len == 0) { 311 cmd_free_argv(argc, *argv); 312 return (-1); 313 } 314 315 arglen = strlen(buf) + 1; 316 (*argv)[i] = xstrdup(buf); 317 318 buf += arglen; 319 len -= arglen; 320 } 321 cmd_log_argv(argc, *argv, "%s", __func__); 322 323 return (0); 324 } 325 326 /* Copy an argument vector, ensuring it is terminated by NULL. */ 327 char ** 328 cmd_copy_argv(int argc, char **argv) 329 { 330 char **new_argv; 331 int i; 332 333 if (argc == 0) 334 return (NULL); 335 new_argv = xcalloc(argc + 1, sizeof *new_argv); 336 for (i = 0; i < argc; i++) { 337 if (argv[i] != NULL) 338 new_argv[i] = xstrdup(argv[i]); 339 } 340 return (new_argv); 341 } 342 343 /* Free an argument vector. */ 344 void 345 cmd_free_argv(int argc, char **argv) 346 { 347 int i; 348 349 if (argc == 0) 350 return; 351 for (i = 0; i < argc; i++) 352 free(argv[i]); 353 free(argv); 354 } 355 356 /* Convert argument vector to a string. */ 357 char * 358 cmd_stringify_argv(int argc, char **argv) 359 { 360 char *buf = NULL, *s; 361 size_t len = 0; 362 int i; 363 364 if (argc == 0) 365 return (xstrdup("")); 366 367 for (i = 0; i < argc; i++) { 368 s = args_escape(argv[i]); 369 log_debug("%s: %u %s = %s", __func__, i, argv[i], s); 370 371 len += strlen(s) + 1; 372 buf = xrealloc(buf, len); 373 374 if (i == 0) 375 *buf = '\0'; 376 else 377 strlcat(buf, " ", len); 378 strlcat(buf, s, len); 379 380 free(s); 381 } 382 return (buf); 383 } 384 385 /* Get entry for command. */ 386 const struct cmd_entry * 387 cmd_get_entry(struct cmd *cmd) 388 { 389 return (cmd->entry); 390 } 391 392 /* Get arguments for command. */ 393 struct args * 394 cmd_get_args(struct cmd *cmd) 395 { 396 return (cmd->args); 397 } 398 399 /* Get group for command. */ 400 u_int 401 cmd_get_group(struct cmd *cmd) 402 { 403 return (cmd->group); 404 } 405 406 /* Get file and line for command. */ 407 void 408 cmd_get_source(struct cmd *cmd, const char **file, u_int *line) 409 { 410 if (file != NULL) 411 *file = cmd->file; 412 if (line != NULL) 413 *line = cmd->line; 414 } 415 416 /* Get parse flags for command. */ 417 int 418 cmd_get_parse_flags(struct cmd *cmd) 419 { 420 return (cmd->parse_flags); 421 } 422 423 /* Look for an alias for a command. */ 424 char * 425 cmd_get_alias(const char *name) 426 { 427 struct options_entry *o; 428 struct options_array_item *a; 429 union options_value *ov; 430 size_t wanted, n; 431 const char *equals; 432 433 o = options_get_only(global_options, "command-alias"); 434 if (o == NULL) 435 return (NULL); 436 wanted = strlen(name); 437 438 a = options_array_first(o); 439 while (a != NULL) { 440 ov = options_array_item_value(a); 441 442 equals = strchr(ov->string, '='); 443 if (equals != NULL) { 444 n = equals - ov->string; 445 if (n == wanted && strncmp(name, ov->string, n) == 0) 446 return (xstrdup(equals + 1)); 447 } 448 449 a = options_array_next(a); 450 } 451 return (NULL); 452 } 453 454 /* Look up a command entry by name. */ 455 const struct cmd_entry * 456 cmd_find(const char *name, char **cause) 457 { 458 const struct cmd_entry **loop, *entry, *found = NULL; 459 int ambiguous; 460 char s[8192]; 461 462 ambiguous = 0; 463 for (loop = cmd_table; *loop != NULL; loop++) { 464 entry = *loop; 465 if (entry->alias != NULL && strcmp(entry->alias, name) == 0) { 466 ambiguous = 0; 467 found = entry; 468 break; 469 } 470 471 if (strncmp(entry->name, name, strlen(name)) != 0) 472 continue; 473 if (found != NULL) 474 ambiguous = 1; 475 found = entry; 476 477 if (strcmp(entry->name, name) == 0) 478 break; 479 } 480 if (ambiguous) 481 goto ambiguous; 482 if (found == NULL) { 483 xasprintf(cause, "unknown command: %s", name); 484 return (NULL); 485 } 486 return (found); 487 488 ambiguous: 489 *s = '\0'; 490 for (loop = cmd_table; *loop != NULL; loop++) { 491 entry = *loop; 492 if (strncmp(entry->name, name, strlen(name)) != 0) 493 continue; 494 if (strlcat(s, entry->name, sizeof s) >= sizeof s) 495 break; 496 if (strlcat(s, ", ", sizeof s) >= sizeof s) 497 break; 498 } 499 s[strlen(s) - 2] = '\0'; 500 xasprintf(cause, "ambiguous command: %s, could be: %s", name, s); 501 return (NULL); 502 } 503 504 /* Parse a single command from an argument vector. */ 505 struct cmd * 506 cmd_parse(struct args_value *values, u_int count, const char *file, u_int line, 507 int parse_flags, char **cause) 508 { 509 const struct cmd_entry *entry; 510 struct cmd *cmd; 511 struct args *args; 512 char *error = NULL; 513 514 if (count == 0 || values[0].type != ARGS_STRING) { 515 xasprintf(cause, "no command"); 516 return (NULL); 517 } 518 entry = cmd_find(values[0].string, cause); 519 if (entry == NULL) 520 return (NULL); 521 522 args = args_parse(&entry->args, values, count, &error); 523 if (args == NULL && error == NULL) { 524 xasprintf(cause, "usage: %s %s", entry->name, entry->usage); 525 return (NULL); 526 } 527 if (args == NULL) { 528 xasprintf(cause, "command %s: %s", entry->name, error); 529 free(error); 530 return (NULL); 531 } 532 533 cmd = xcalloc(1, sizeof *cmd); 534 cmd->entry = entry; 535 cmd->args = args; 536 cmd->parse_flags = parse_flags; 537 538 if (file != NULL) 539 cmd->file = xstrdup(file); 540 cmd->line = line; 541 542 return (cmd); 543 } 544 545 /* Free a command. */ 546 void 547 cmd_free(struct cmd *cmd) 548 { 549 free(cmd->file); 550 551 args_free(cmd->args); 552 free(cmd); 553 } 554 555 /* Copy a command. */ 556 struct cmd * 557 cmd_copy(struct cmd *cmd, int argc, char **argv) 558 { 559 struct cmd *new_cmd; 560 561 new_cmd = xcalloc(1, sizeof *new_cmd); 562 new_cmd->entry = cmd->entry; 563 new_cmd->args = args_copy(cmd->args, argc, argv); 564 565 if (cmd->file != NULL) 566 new_cmd->file = xstrdup(cmd->file); 567 new_cmd->line = cmd->line; 568 569 return (new_cmd); 570 } 571 572 /* Get a command as a string. */ 573 char * 574 cmd_print(struct cmd *cmd) 575 { 576 char *out, *s; 577 578 s = args_print(cmd->args); 579 if (*s != '\0') 580 xasprintf(&out, "%s %s", cmd->entry->name, s); 581 else 582 out = xstrdup(cmd->entry->name); 583 free(s); 584 585 return (out); 586 } 587 588 /* Create a new command list. */ 589 struct cmd_list * 590 cmd_list_new(void) 591 { 592 struct cmd_list *cmdlist; 593 594 cmdlist = xcalloc(1, sizeof *cmdlist); 595 cmdlist->references = 1; 596 cmdlist->group = cmd_list_next_group++; 597 cmdlist->list = xcalloc(1, sizeof *cmdlist->list); 598 TAILQ_INIT(cmdlist->list); 599 return (cmdlist); 600 } 601 602 /* Append a command to a command list. */ 603 void 604 cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd) 605 { 606 cmd->group = cmdlist->group; 607 TAILQ_INSERT_TAIL(cmdlist->list, cmd, qentry); 608 } 609 610 /* Append all commands from one list to another. */ 611 void 612 cmd_list_append_all(struct cmd_list *cmdlist, struct cmd_list *from) 613 { 614 struct cmd *cmd; 615 616 TAILQ_FOREACH(cmd, from->list, qentry) 617 cmd->group = cmdlist->group; 618 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 619 } 620 621 /* Move all commands from one command list to another. */ 622 void 623 cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from) 624 { 625 TAILQ_CONCAT(cmdlist->list, from->list, qentry); 626 cmdlist->group = cmd_list_next_group++; 627 } 628 629 /* Free a command list. */ 630 void 631 cmd_list_free(struct cmd_list *cmdlist) 632 { 633 struct cmd *cmd, *cmd1; 634 635 if (--cmdlist->references != 0) 636 return; 637 638 TAILQ_FOREACH_SAFE(cmd, cmdlist->list, qentry, cmd1) { 639 TAILQ_REMOVE(cmdlist->list, cmd, qentry); 640 cmd_free(cmd); 641 } 642 free(cmdlist->list); 643 free(cmdlist); 644 } 645 646 /* Copy a command list, expanding %s in arguments. */ 647 struct cmd_list * 648 cmd_list_copy(const struct cmd_list *cmdlist, int argc, char **argv) 649 { 650 struct cmd *cmd; 651 struct cmd_list *new_cmdlist; 652 struct cmd *new_cmd; 653 u_int group = cmdlist->group; 654 char *s; 655 656 s = cmd_list_print(cmdlist, 0); 657 log_debug("%s: %s", __func__, s); 658 free(s); 659 660 new_cmdlist = cmd_list_new(); 661 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 662 if (cmd->group != group) { 663 new_cmdlist->group = cmd_list_next_group++; 664 group = cmd->group; 665 } 666 new_cmd = cmd_copy(cmd, argc, argv); 667 cmd_list_append(new_cmdlist, new_cmd); 668 } 669 670 s = cmd_list_print(new_cmdlist, 0); 671 log_debug("%s: %s", __func__, s); 672 free(s); 673 674 return (new_cmdlist); 675 } 676 677 /* Get a command list as a string. */ 678 char * 679 cmd_list_print(const struct cmd_list *cmdlist, int escaped) 680 { 681 struct cmd *cmd, *next; 682 char *buf, *this; 683 size_t len; 684 685 len = 1; 686 buf = xcalloc(1, len); 687 688 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 689 this = cmd_print(cmd); 690 691 len += strlen(this) + 6; 692 buf = xrealloc(buf, len); 693 694 strlcat(buf, this, len); 695 696 next = TAILQ_NEXT(cmd, qentry); 697 if (next != NULL) { 698 if (cmd->group != next->group) { 699 if (escaped) 700 strlcat(buf, " \\;\\; ", len); 701 else 702 strlcat(buf, " ;; ", len); 703 } else { 704 if (escaped) 705 strlcat(buf, " \\; ", len); 706 else 707 strlcat(buf, " ; ", len); 708 } 709 } 710 711 free(this); 712 } 713 714 return (buf); 715 } 716 717 /* Get first command in list. */ 718 struct cmd * 719 cmd_list_first(struct cmd_list *cmdlist) 720 { 721 return (TAILQ_FIRST(cmdlist->list)); 722 } 723 724 /* Get next command in list. */ 725 struct cmd * 726 cmd_list_next(struct cmd *cmd) 727 { 728 return (TAILQ_NEXT(cmd, qentry)); 729 } 730 731 /* Do all of the commands in this command list have this flag? */ 732 int 733 cmd_list_all_have(struct cmd_list *cmdlist, int flag) 734 { 735 struct cmd *cmd; 736 737 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 738 if (~cmd->entry->flags & flag) 739 return (0); 740 } 741 return (1); 742 } 743 744 /* Do any of the commands in this command list have this flag? */ 745 int 746 cmd_list_any_have(struct cmd_list *cmdlist, int flag) 747 { 748 struct cmd *cmd; 749 750 TAILQ_FOREACH(cmd, cmdlist->list, qentry) { 751 if (cmd->entry->flags & flag) 752 return (1); 753 } 754 return (0); 755 } 756 757 /* Adjust current mouse position for a pane. */ 758 int 759 cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp, 760 u_int *yp, int last) 761 { 762 u_int x, y; 763 764 if (last) { 765 x = m->lx + m->ox; 766 y = m->ly + m->oy; 767 } else { 768 x = m->x + m->ox; 769 y = m->y + m->oy; 770 } 771 log_debug("%s: x=%u, y=%u%s", __func__, x, y, last ? " (last)" : ""); 772 773 if (m->statusat == 0 && y >= m->statuslines) 774 y -= m->statuslines; 775 776 if (x < wp->xoff || x >= wp->xoff + wp->sx) 777 return (-1); 778 if (y < wp->yoff || y >= wp->yoff + wp->sy) 779 return (-1); 780 781 if (xp != NULL) 782 *xp = x - wp->xoff; 783 if (yp != NULL) 784 *yp = y - wp->yoff; 785 return (0); 786 } 787 788 /* Get current mouse window if any. */ 789 struct winlink * 790 cmd_mouse_window(struct mouse_event *m, struct session **sp) 791 { 792 struct session *s; 793 struct window *w; 794 struct winlink *wl; 795 796 if (!m->valid) 797 return (NULL); 798 if (m->s == -1 || (s = session_find_by_id(m->s)) == NULL) 799 return (NULL); 800 if (m->w == -1) 801 wl = s->curw; 802 else { 803 if ((w = window_find_by_id(m->w)) == NULL) 804 return (NULL); 805 wl = winlink_find_by_window(&s->windows, w); 806 } 807 if (sp != NULL) 808 *sp = s; 809 return (wl); 810 } 811 812 /* Get current mouse pane if any. */ 813 struct window_pane * 814 cmd_mouse_pane(struct mouse_event *m, struct session **sp, 815 struct winlink **wlp) 816 { 817 struct winlink *wl; 818 struct window_pane *wp; 819 820 if ((wl = cmd_mouse_window(m, sp)) == NULL) 821 return (NULL); 822 if (m->wp == -1) 823 wp = wl->window->active; 824 else { 825 if ((wp = window_pane_find_by_id(m->wp)) == NULL) 826 return (NULL); 827 if (!window_has_pane(wl->window, wp)) 828 return (NULL); 829 } 830 831 if (wlp != NULL) 832 *wlp = wl; 833 return (wp); 834 } 835 836 /* Replace the first %% or %idx in template by s. */ 837 char * 838 cmd_template_replace(const char *template, const char *s, int idx) 839 { 840 char ch, *buf; 841 const char *ptr, *cp, quote[] = "\"\\$;~"; 842 int replaced, quoted; 843 size_t len; 844 845 if (strchr(template, '%') == NULL) 846 return (xstrdup(template)); 847 848 buf = xmalloc(1); 849 *buf = '\0'; 850 len = 0; 851 replaced = 0; 852 853 ptr = template; 854 while (*ptr != '\0') { 855 switch (ch = *ptr++) { 856 case '%': 857 if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) { 858 if (*ptr != '%' || replaced) 859 break; 860 replaced = 1; 861 } 862 ptr++; 863 864 quoted = (*ptr == '%'); 865 if (quoted) 866 ptr++; 867 868 buf = xrealloc(buf, len + (strlen(s) * 3) + 1); 869 for (cp = s; *cp != '\0'; cp++) { 870 if (quoted && strchr(quote, *cp) != NULL) 871 buf[len++] = '\\'; 872 buf[len++] = *cp; 873 } 874 buf[len] = '\0'; 875 continue; 876 } 877 buf = xrealloc(buf, len + 2); 878 buf[len++] = ch; 879 buf[len] = '\0'; 880 } 881 882 return (buf); 883 } 884
Indexes created Tue Feb 24 08:35:24 UTC 2026