Annotation of src/usr.bin/tmux/options.c, Revision 1.62
1.62 ! nicm 1: /* $OpenBSD: options.c,v 1.61 2021/01/18 11:14:23 nicm Exp $ */
1.1 nicm 2:
3: /*
1.18 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.26 nicm 21: #include <ctype.h>
1.57 nicm 22: #include <fnmatch.h>
1.1 nicm 23: #include <stdarg.h>
1.8 nicm 24: #include <stdlib.h>
1.1 nicm 25: #include <string.h>
26:
27: #include "tmux.h"
28:
29: /*
30: * Option handling; each option has a name, type and value and is stored in
1.9 nicm 31: * a red-black tree.
1.1 nicm 32: */
33:
1.39 nicm 34: struct options_array_item {
35: u_int index;
1.41 nicm 36: union options_value value;
1.39 nicm 37: RB_ENTRY(options_array_item) entry;
38: };
39: static int
40: options_array_cmp(struct options_array_item *a1, struct options_array_item *a2)
41: {
42: if (a1->index < a2->index)
43: return (-1);
44: if (a1->index > a2->index)
45: return (1);
46: return (0);
47: }
48: RB_GENERATE_STATIC(options_array, options_array_item, entry, options_array_cmp);
49:
1.27 nicm 50: struct options_entry {
1.41 nicm 51: struct options *owner;
1.26 nicm 52:
1.41 nicm 53: const char *name;
54: const struct options_table_entry *tableentry;
55: union options_value value;
1.26 nicm 56:
1.56 nicm 57: int cached;
58: struct style style;
59:
1.41 nicm 60: RB_ENTRY(options_entry) entry;
1.26 nicm 61: };
62:
1.13 nicm 63: struct options {
1.27 nicm 64: RB_HEAD(options_tree, options_entry) tree;
1.26 nicm 65: struct options *parent;
1.13 nicm 66: };
67:
1.27 nicm 68: static struct options_entry *options_add(struct options *, const char *);
1.59 nicm 69: static void options_remove(struct options_entry *);
1.26 nicm 70:
71: #define OPTIONS_IS_STRING(o) \
72: ((o)->tableentry == NULL || \
73: (o)->tableentry->type == OPTIONS_TABLE_STRING)
74: #define OPTIONS_IS_NUMBER(o) \
75: ((o)->tableentry != NULL && \
76: ((o)->tableentry->type == OPTIONS_TABLE_NUMBER || \
77: (o)->tableentry->type == OPTIONS_TABLE_KEY || \
78: (o)->tableentry->type == OPTIONS_TABLE_COLOUR || \
79: (o)->tableentry->type == OPTIONS_TABLE_FLAG || \
80: (o)->tableentry->type == OPTIONS_TABLE_CHOICE))
1.43 nicm 81: #define OPTIONS_IS_COMMAND(o) \
82: ((o)->tableentry != NULL && \
83: (o)->tableentry->type == OPTIONS_TABLE_COMMAND)
1.41 nicm 84:
85: #define OPTIONS_IS_ARRAY(o) \
1.26 nicm 86: ((o)->tableentry != NULL && \
1.41 nicm 87: ((o)->tableentry->flags & OPTIONS_TABLE_IS_ARRAY))
1.26 nicm 88:
1.27 nicm 89: static int options_cmp(struct options_entry *, struct options_entry *);
90: RB_GENERATE_STATIC(options_tree, options_entry, entry, options_cmp);
1.1 nicm 91:
1.17 nicm 92: static int
1.27 nicm 93: options_cmp(struct options_entry *lhs, struct options_entry *rhs)
1.26 nicm 94: {
95: return (strcmp(lhs->name, rhs->name));
96: }
97:
1.60 nicm 98: static const char *
99: options_map_name(const char *name)
100: {
101: const struct options_name_map *map;
102:
103: for (map = options_other_names; map->from != NULL; map++) {
104: if (strcmp(map->from, name) == 0)
105: return (map->to);
106: }
107: return (name);
108: }
109:
1.26 nicm 110: static const struct options_table_entry *
111: options_parent_table_entry(struct options *oo, const char *s)
1.1 nicm 112: {
1.27 nicm 113: struct options_entry *o;
1.26 nicm 114:
115: if (oo->parent == NULL)
116: fatalx("no parent options for %s", s);
1.50 nicm 117: o = options_get(oo->parent, s);
1.26 nicm 118: if (o == NULL)
119: fatalx("%s not in parent options", s);
120: return (o->tableentry);
1.1 nicm 121: }
122:
1.41 nicm 123: static void
124: options_value_free(struct options_entry *o, union options_value *ov)
125: {
126: if (OPTIONS_IS_STRING(o))
127: free(ov->string);
1.43 nicm 128: if (OPTIONS_IS_COMMAND(o) && ov->cmdlist != NULL)
129: cmd_list_free(ov->cmdlist);
1.41 nicm 130: }
131:
1.42 nicm 132: static char *
1.57 nicm 133: options_value_to_string(struct options_entry *o, union options_value *ov,
1.41 nicm 134: int numeric)
135: {
1.42 nicm 136: char *s;
1.41 nicm 137:
1.43 nicm 138: if (OPTIONS_IS_COMMAND(o))
1.46 nicm 139: return (cmd_list_print(ov->cmdlist, 0));
1.41 nicm 140: if (OPTIONS_IS_NUMBER(o)) {
141: switch (o->tableentry->type) {
142: case OPTIONS_TABLE_NUMBER:
1.42 nicm 143: xasprintf(&s, "%lld", ov->number);
1.41 nicm 144: break;
145: case OPTIONS_TABLE_KEY:
1.58 nicm 146: s = xstrdup(key_string_lookup_key(ov->number, 0));
1.41 nicm 147: break;
148: case OPTIONS_TABLE_COLOUR:
1.42 nicm 149: s = xstrdup(colour_tostring(ov->number));
1.41 nicm 150: break;
151: case OPTIONS_TABLE_FLAG:
152: if (numeric)
1.42 nicm 153: xasprintf(&s, "%lld", ov->number);
1.41 nicm 154: else
1.42 nicm 155: s = xstrdup(ov->number ? "on" : "off");
1.41 nicm 156: break;
157: case OPTIONS_TABLE_CHOICE:
1.42 nicm 158: s = xstrdup(o->tableentry->choices[ov->number]);
1.41 nicm 159: break;
1.61 nicm 160: default:
1.42 nicm 161: fatalx("not a number option type");
1.41 nicm 162: }
163: return (s);
164: }
165: if (OPTIONS_IS_STRING(o))
1.42 nicm 166: return (xstrdup(ov->string));
167: return (xstrdup(""));
1.41 nicm 168: }
169:
1.13 nicm 170: struct options *
171: options_create(struct options *parent)
1.1 nicm 172: {
1.16 nicm 173: struct options *oo;
1.13 nicm 174:
175: oo = xcalloc(1, sizeof *oo);
1.7 nicm 176: RB_INIT(&oo->tree);
1.1 nicm 177: oo->parent = parent;
1.13 nicm 178: return (oo);
1.1 nicm 179: }
180:
181: void
182: options_free(struct options *oo)
183: {
1.27 nicm 184: struct options_entry *o, *tmp;
1.1 nicm 185:
1.35 nicm 186: RB_FOREACH_SAFE(o, options_tree, &oo->tree, tmp)
1.26 nicm 187: options_remove(o);
1.13 nicm 188: free(oo);
189: }
190:
1.57 nicm 191: struct options *
192: options_get_parent(struct options *oo)
193: {
194: return (oo->parent);
195: }
196:
1.50 nicm 197: void
198: options_set_parent(struct options *oo, struct options *parent)
199: {
200: oo->parent = parent;
201: }
202:
1.27 nicm 203: struct options_entry *
1.13 nicm 204: options_first(struct options *oo)
205: {
206: return (RB_MIN(options_tree, &oo->tree));
207: }
208:
1.27 nicm 209: struct options_entry *
210: options_next(struct options_entry *o)
1.13 nicm 211: {
212: return (RB_NEXT(options_tree, &oo->tree, o));
1.1 nicm 213: }
214:
1.27 nicm 215: struct options_entry *
1.26 nicm 216: options_get_only(struct options *oo, const char *name)
1.1 nicm 217: {
1.60 nicm 218: struct options_entry o = { .name = name }, *found;
1.1 nicm 219:
1.60 nicm 220: found = RB_FIND(options_tree, &oo->tree, &o);
221: if (found == NULL) {
222: o.name = options_map_name(name);
223: return (RB_FIND(options_tree, &oo->tree, &o));
224: }
225: return (found);
1.1 nicm 226: }
227:
1.27 nicm 228: struct options_entry *
1.26 nicm 229: options_get(struct options *oo, const char *name)
1.1 nicm 230: {
1.27 nicm 231: struct options_entry *o;
1.1 nicm 232:
1.26 nicm 233: o = options_get_only(oo, name);
1.1 nicm 234: while (o == NULL) {
235: oo = oo->parent;
236: if (oo == NULL)
237: break;
1.26 nicm 238: o = options_get_only(oo, name);
239: }
240: return (o);
241: }
242:
1.27 nicm 243: struct options_entry *
1.26 nicm 244: options_empty(struct options *oo, const struct options_table_entry *oe)
245: {
1.27 nicm 246: struct options_entry *o;
1.26 nicm 247:
248: o = options_add(oo, oe->name);
249: o->tableentry = oe;
250:
1.42 nicm 251: if (oe->flags & OPTIONS_TABLE_IS_ARRAY)
1.41 nicm 252: RB_INIT(&o->value.array);
1.39 nicm 253:
1.26 nicm 254: return (o);
255: }
256:
1.27 nicm 257: struct options_entry *
1.26 nicm 258: options_default(struct options *oo, const struct options_table_entry *oe)
259: {
1.41 nicm 260: struct options_entry *o;
261: union options_value *ov;
262: u_int i;
1.26 nicm 263:
264: o = options_empty(oo, oe);
1.41 nicm 265: ov = &o->value;
266:
267: if (oe->flags & OPTIONS_TABLE_IS_ARRAY) {
1.43 nicm 268: if (oe->default_arr == NULL) {
269: options_array_assign(o, oe->default_str, NULL);
270: return (o);
271: }
272: for (i = 0; oe->default_arr[i] != NULL; i++)
273: options_array_set(o, i, oe->default_arr[i], 0, NULL);
1.41 nicm 274: return (o);
275: }
276:
277: switch (oe->type) {
278: case OPTIONS_TABLE_STRING:
279: ov->string = xstrdup(oe->default_str);
280: break;
281: default:
282: ov->number = oe->default_num;
283: break;
284: }
1.26 nicm 285: return (o);
286: }
287:
1.57 nicm 288: char *
289: options_default_to_string(const struct options_table_entry *oe)
290: {
291: char *s;
292:
293: switch (oe->type) {
294: case OPTIONS_TABLE_STRING:
295: case OPTIONS_TABLE_COMMAND:
296: s = xstrdup(oe->default_str);
297: break;
298: case OPTIONS_TABLE_NUMBER:
299: xasprintf(&s, "%lld", oe->default_num);
300: break;
301: case OPTIONS_TABLE_KEY:
1.58 nicm 302: s = xstrdup(key_string_lookup_key(oe->default_num, 0));
1.57 nicm 303: break;
304: case OPTIONS_TABLE_COLOUR:
305: s = xstrdup(colour_tostring(oe->default_num));
306: break;
307: case OPTIONS_TABLE_FLAG:
308: s = xstrdup(oe->default_num ? "on" : "off");
309: break;
310: case OPTIONS_TABLE_CHOICE:
311: s = xstrdup(oe->choices[oe->default_num]);
312: break;
1.61 nicm 313: default:
314: fatalx("unknown option type");
1.57 nicm 315: }
316: return (s);
317: }
318:
1.27 nicm 319: static struct options_entry *
1.26 nicm 320: options_add(struct options *oo, const char *name)
321: {
1.27 nicm 322: struct options_entry *o;
1.26 nicm 323:
324: o = options_get_only(oo, name);
325: if (o != NULL)
326: options_remove(o);
327:
328: o = xcalloc(1, sizeof *o);
329: o->owner = oo;
330: o->name = xstrdup(name);
331:
332: RB_INSERT(options_tree, &oo->tree, o);
1.1 nicm 333: return (o);
334: }
335:
1.59 nicm 336: static void
1.27 nicm 337: options_remove(struct options_entry *o)
1.26 nicm 338: {
339: struct options *oo = o->owner;
340:
1.41 nicm 341: if (OPTIONS_IS_ARRAY(o))
1.39 nicm 342: options_array_clear(o);
1.41 nicm 343: else
344: options_value_free(o, &o->value);
1.26 nicm 345: RB_REMOVE(options_tree, &oo->tree, o);
1.53 nicm 346: free((void *)o->name);
1.26 nicm 347: free(o);
348: }
349:
350: const char *
1.27 nicm 351: options_name(struct options_entry *o)
1.26 nicm 352: {
353: return (o->name);
354: }
355:
1.57 nicm 356: struct options *
357: options_owner(struct options_entry *o)
358: {
359: return (o->owner);
360: }
361:
1.26 nicm 362: const struct options_table_entry *
1.27 nicm 363: options_table_entry(struct options_entry *o)
1.26 nicm 364: {
365: return (o->tableentry);
366: }
367:
1.39 nicm 368: static struct options_array_item *
369: options_array_item(struct options_entry *o, u_int idx)
370: {
371: struct options_array_item a;
372:
373: a.index = idx;
1.41 nicm 374: return (RB_FIND(options_array, &o->value.array, &a));
1.39 nicm 375: }
376:
1.54 nicm 377: static struct options_array_item *
378: options_array_new(struct options_entry *o, u_int idx)
379: {
380: struct options_array_item *a;
381:
382: a = xcalloc(1, sizeof *a);
383: a->index = idx;
384: RB_INSERT(options_array, &o->value.array, a);
385: return (a);
386: }
387:
1.39 nicm 388: static void
389: options_array_free(struct options_entry *o, struct options_array_item *a)
390: {
1.41 nicm 391: options_value_free(o, &a->value);
392: RB_REMOVE(options_array, &o->value.array, a);
1.39 nicm 393: free(a);
394: }
395:
1.31 nicm 396: void
397: options_array_clear(struct options_entry *o)
398: {
1.39 nicm 399: struct options_array_item *a, *a1;
400:
401: if (!OPTIONS_IS_ARRAY(o))
402: return;
403:
1.41 nicm 404: RB_FOREACH_SAFE(a, options_array, &o->value.array, a1)
1.39 nicm 405: options_array_free(o, a);
1.31 nicm 406: }
407:
1.41 nicm 408: union options_value *
1.27 nicm 409: options_array_get(struct options_entry *o, u_int idx)
1.26 nicm 410: {
1.39 nicm 411: struct options_array_item *a;
412:
1.26 nicm 413: if (!OPTIONS_IS_ARRAY(o))
414: return (NULL);
1.39 nicm 415: a = options_array_item(o, idx);
416: if (a == NULL)
1.26 nicm 417: return (NULL);
1.41 nicm 418: return (&a->value);
1.26 nicm 419: }
420:
421: int
1.31 nicm 422: options_array_set(struct options_entry *o, u_int idx, const char *value,
1.43 nicm 423: int append, char **cause)
1.26 nicm 424: {
1.39 nicm 425: struct options_array_item *a;
426: char *new;
1.45 nicm 427: struct cmd_parse_result *pr;
1.26 nicm 428:
1.43 nicm 429: if (!OPTIONS_IS_ARRAY(o)) {
1.44 nicm 430: if (cause != NULL)
431: *cause = xstrdup("not an array");
1.26 nicm 432: return (-1);
1.43 nicm 433: }
434:
1.54 nicm 435: if (value == NULL) {
436: a = options_array_item(o, idx);
437: if (a != NULL)
438: options_array_free(o, a);
439: return (0);
440: }
441:
442: if (OPTIONS_IS_COMMAND(o)) {
1.45 nicm 443: pr = cmd_parse_from_string(value, NULL);
444: switch (pr->status) {
445: case CMD_PARSE_EMPTY:
1.47 nicm 446: if (cause != NULL)
447: *cause = xstrdup("empty command");
1.45 nicm 448: return (-1);
449: case CMD_PARSE_ERROR:
1.44 nicm 450: if (cause != NULL)
1.45 nicm 451: *cause = pr->error;
1.44 nicm 452: else
1.45 nicm 453: free(pr->error);
1.43 nicm 454: return (-1);
1.45 nicm 455: case CMD_PARSE_SUCCESS:
456: break;
1.44 nicm 457: }
1.26 nicm 458:
1.54 nicm 459: a = options_array_item(o, idx);
460: if (a == NULL)
461: a = options_array_new(o, idx);
462: else
463: options_value_free(o, &a->value);
464: a->value.cmdlist = pr->cmdlist;
1.39 nicm 465: return (0);
1.26 nicm 466: }
1.31 nicm 467:
1.43 nicm 468: if (OPTIONS_IS_STRING(o)) {
1.54 nicm 469: a = options_array_item(o, idx);
1.43 nicm 470: if (a != NULL && append)
471: xasprintf(&new, "%s%s", a->value.string, value);
472: else
473: new = xstrdup(value);
1.54 nicm 474: if (a == NULL)
475: a = options_array_new(o, idx);
476: else
477: options_value_free(o, &a->value);
478: a->value.string = new;
479: return (0);
1.43 nicm 480: }
481:
1.54 nicm 482: if (cause != NULL)
483: *cause = xstrdup("wrong array type");
484: return (-1);
1.26 nicm 485: }
486:
1.43 nicm 487: int
488: options_array_assign(struct options_entry *o, const char *s, char **cause)
1.31 nicm 489: {
490: const char *separator;
491: char *copy, *next, *string;
492: u_int i;
493:
494: separator = o->tableentry->separator;
495: if (separator == NULL)
496: separator = " ,";
1.43 nicm 497: if (*separator == '\0') {
498: if (*s == '\0')
499: return (0);
500: for (i = 0; i < UINT_MAX; i++) {
501: if (options_array_item(o, i) == NULL)
502: break;
503: }
504: return (options_array_set(o, i, s, 0, cause));
505: }
1.31 nicm 506:
1.43 nicm 507: if (*s == '\0')
508: return (0);
1.31 nicm 509: copy = string = xstrdup(s);
510: while ((next = strsep(&string, separator)) != NULL) {
511: if (*next == '\0')
512: continue;
1.39 nicm 513: for (i = 0; i < UINT_MAX; i++) {
514: if (options_array_item(o, i) == NULL)
1.31 nicm 515: break;
516: }
1.39 nicm 517: if (i == UINT_MAX)
1.31 nicm 518: break;
1.43 nicm 519: if (options_array_set(o, i, next, 0, cause) != 0) {
520: free(copy);
521: return (-1);
522: }
1.31 nicm 523: }
524: free(copy);
1.43 nicm 525: return (0);
1.31 nicm 526: }
527:
1.39 nicm 528: struct options_array_item *
529: options_array_first(struct options_entry *o)
530: {
531: if (!OPTIONS_IS_ARRAY(o))
532: return (NULL);
1.41 nicm 533: return (RB_MIN(options_array, &o->value.array));
1.39 nicm 534: }
535:
536: struct options_array_item *
537: options_array_next(struct options_array_item *a)
538: {
1.41 nicm 539: return (RB_NEXT(options_array, &o->value.array, a));
1.39 nicm 540: }
541:
542: u_int
543: options_array_item_index(struct options_array_item *a)
544: {
545: return (a->index);
546: }
547:
1.41 nicm 548: union options_value *
1.39 nicm 549: options_array_item_value(struct options_array_item *a)
550: {
1.41 nicm 551: return (&a->value);
1.39 nicm 552: }
553:
554: int
1.57 nicm 555: options_is_array(struct options_entry *o)
1.39 nicm 556: {
557: return (OPTIONS_IS_ARRAY(o));
558: }
559:
1.26 nicm 560: int
1.57 nicm 561: options_is_string(struct options_entry *o)
1.26 nicm 562: {
1.41 nicm 563: return (OPTIONS_IS_STRING(o));
1.26 nicm 564: }
565:
1.42 nicm 566: char *
1.57 nicm 567: options_to_string(struct options_entry *o, int idx, int numeric)
1.26 nicm 568: {
1.39 nicm 569: struct options_array_item *a;
1.26 nicm 570:
571: if (OPTIONS_IS_ARRAY(o)) {
572: if (idx == -1)
1.42 nicm 573: return (xstrdup(""));
1.39 nicm 574: a = options_array_item(o, idx);
575: if (a == NULL)
1.42 nicm 576: return (xstrdup(""));
1.57 nicm 577: return (options_value_to_string(o, &a->value, numeric));
1.26 nicm 578: }
1.57 nicm 579: return (options_value_to_string(o, &o->value, numeric));
1.26 nicm 580: }
581:
582: char *
583: options_parse(const char *name, int *idx)
1.1 nicm 584: {
1.26 nicm 585: char *copy, *cp, *end;
1.1 nicm 586:
1.26 nicm 587: if (*name == '\0')
588: return (NULL);
589: copy = xstrdup(name);
590: if ((cp = strchr(copy, '[')) == NULL) {
591: *idx = -1;
592: return (copy);
593: }
594: end = strchr(cp + 1, ']');
595: if (end == NULL || end[1] != '\0' || !isdigit((u_char)end[-1])) {
596: free(copy);
597: return (NULL);
598: }
599: if (sscanf(cp, "[%d]", idx) != 1 || *idx < 0) {
600: free(copy);
601: return (NULL);
602: }
603: *cp = '\0';
604: return (copy);
1.1 nicm 605: }
606:
1.27 nicm 607: struct options_entry *
1.26 nicm 608: options_parse_get(struct options *oo, const char *s, int *idx, int only)
1.1 nicm 609: {
1.27 nicm 610: struct options_entry *o;
611: char *name;
1.1 nicm 612:
1.26 nicm 613: name = options_parse(s, idx);
614: if (name == NULL)
615: return (NULL);
616: if (only)
617: o = options_get_only(oo, name);
618: else
619: o = options_get(oo, name);
620: free(name);
621: return (o);
622: }
1.1 nicm 623:
1.26 nicm 624: char *
1.50 nicm 625: options_match(const char *s, int *idx, int *ambiguous)
1.26 nicm 626: {
627: const struct options_table_entry *oe, *found;
1.60 nicm 628: char *parsed;
629: const char *name;
1.26 nicm 630: size_t namelen;
631:
1.60 nicm 632: parsed = options_parse(s, idx);
633: if (parsed == NULL)
1.33 nicm 634: return (NULL);
1.60 nicm 635: if (*parsed == '@') {
1.29 nicm 636: *ambiguous = 0;
1.60 nicm 637: return (parsed);
1.29 nicm 638: }
1.26 nicm 639:
1.60 nicm 640: name = options_map_name(parsed);
641: namelen = strlen(name);
642:
1.26 nicm 643: found = NULL;
644: for (oe = options_table; oe->name != NULL; oe++) {
645: if (strcmp(oe->name, name) == 0) {
646: found = oe;
647: break;
648: }
649: if (strncmp(oe->name, name, namelen) == 0) {
650: if (found != NULL) {
651: *ambiguous = 1;
1.60 nicm 652: free(parsed);
1.26 nicm 653: return (NULL);
654: }
655: found = oe;
656: }
657: }
1.60 nicm 658: free(parsed);
1.26 nicm 659: if (found == NULL) {
660: *ambiguous = 0;
661: return (NULL);
1.22 nicm 662: }
1.26 nicm 663: return (xstrdup(found->name));
664: }
1.22 nicm 665:
1.27 nicm 666: struct options_entry *
1.26 nicm 667: options_match_get(struct options *oo, const char *s, int *idx, int only,
1.55 nicm 668: int *ambiguous)
1.26 nicm 669: {
1.27 nicm 670: char *name;
671: struct options_entry *o;
1.21 nicm 672:
1.26 nicm 673: name = options_match(s, idx, ambiguous);
674: if (name == NULL)
675: return (NULL);
676: *ambiguous = 0;
677: if (only)
678: o = options_get_only(oo, name);
679: else
680: o = options_get(oo, name);
681: free(name);
1.4 nicm 682: return (o);
1.1 nicm 683: }
1.26 nicm 684:
1.23 nicm 685: const char *
1.1 nicm 686: options_get_string(struct options *oo, const char *name)
687: {
1.27 nicm 688: struct options_entry *o;
1.26 nicm 689:
690: o = options_get(oo, name);
691: if (o == NULL)
692: fatalx("missing option %s", name);
693: if (!OPTIONS_IS_STRING(o))
694: fatalx("option %s is not a string", name);
1.41 nicm 695: return (o->value.string);
1.26 nicm 696: }
697:
698: long long
699: options_get_number(struct options *oo, const char *name)
700: {
1.27 nicm 701: struct options_entry *o;
1.1 nicm 702:
1.26 nicm 703: o = options_get(oo, name);
704: if (o == NULL)
1.15 nicm 705: fatalx("missing option %s", name);
1.26 nicm 706: if (!OPTIONS_IS_NUMBER(o))
1.61 nicm 707: fatalx("option %s is not a number", name);
1.41 nicm 708: return (o->value.number);
1.1 nicm 709: }
710:
1.27 nicm 711: struct options_entry *
1.26 nicm 712: options_set_string(struct options *oo, const char *name, int append,
713: const char *fmt, ...)
1.1 nicm 714: {
1.27 nicm 715: struct options_entry *o;
716: va_list ap;
1.56 nicm 717: const char *separator = "";
1.27 nicm 718: char *s, *value;
1.1 nicm 719:
1.26 nicm 720: va_start(ap, fmt);
721: xvasprintf(&s, fmt, ap);
722: va_end(ap);
723:
724: o = options_get_only(oo, name);
725: if (o != NULL && append && OPTIONS_IS_STRING(o)) {
1.56 nicm 726: if (*name != '@') {
727: separator = o->tableentry->separator;
728: if (separator == NULL)
729: separator = "";
730: }
731: xasprintf(&value, "%s%s%s", o->value.string, separator, s);
1.26 nicm 732: free(s);
733: } else
734: value = s;
735: if (o == NULL && *name == '@')
736: o = options_add(oo, name);
737: else if (o == NULL) {
738: o = options_default(oo, options_parent_table_entry(oo, name));
739: if (o == NULL)
740: return (NULL);
741: }
1.21 nicm 742:
1.26 nicm 743: if (!OPTIONS_IS_STRING(o))
744: fatalx("option %s is not a string", name);
1.41 nicm 745: free(o->value.string);
746: o->value.string = value;
1.56 nicm 747: o->cached = 0;
1.4 nicm 748: return (o);
1.1 nicm 749: }
750:
1.27 nicm 751: struct options_entry *
1.26 nicm 752: options_set_number(struct options *oo, const char *name, long long value)
1.1 nicm 753: {
1.27 nicm 754: struct options_entry *o;
1.26 nicm 755:
756: if (*name == '@')
757: fatalx("user option %s must be a string", name);
1.1 nicm 758:
1.26 nicm 759: o = options_get_only(oo, name);
760: if (o == NULL) {
761: o = options_default(oo, options_parent_table_entry(oo, name));
762: if (o == NULL)
763: return (NULL);
764: }
765:
766: if (!OPTIONS_IS_NUMBER(o))
767: fatalx("option %s is not a number", name);
1.41 nicm 768: o->value.number = value;
1.26 nicm 769: return (o);
1.10 nicm 770: }
771:
1.50 nicm 772: int
1.49 nicm 773: options_scope_from_name(struct args *args, int window,
774: const char *name, struct cmd_find_state *fs, struct options **oo,
775: char **cause)
776: {
1.50 nicm 777: struct session *s = fs->s;
778: struct winlink *wl = fs->wl;
779: struct window_pane *wp = fs->wp;
780: const char *target = args_get(args, 't');
781: const struct options_table_entry *oe;
1.51 nicm 782: int scope = OPTIONS_TABLE_NONE;
1.49 nicm 783:
784: if (*name == '@')
785: return (options_scope_from_flags(args, window, fs, oo, cause));
786:
1.50 nicm 787: for (oe = options_table; oe->name != NULL; oe++) {
788: if (strcmp(oe->name, name) == 0)
789: break;
790: }
791: if (oe->name == NULL) {
1.49 nicm 792: xasprintf(cause, "unknown option: %s", name);
793: return (OPTIONS_TABLE_NONE);
794: }
1.51 nicm 795: switch (oe->scope) {
1.50 nicm 796: case OPTIONS_TABLE_SERVER:
1.49 nicm 797: *oo = global_options;
1.51 nicm 798: scope = OPTIONS_TABLE_SERVER;
1.50 nicm 799: break;
800: case OPTIONS_TABLE_SESSION:
1.51 nicm 801: if (args_has(args, 'g')) {
1.49 nicm 802: *oo = global_s_options;
1.51 nicm 803: scope = OPTIONS_TABLE_SESSION;
804: } else if (s == NULL && target != NULL)
1.50 nicm 805: xasprintf(cause, "no such session: %s", target);
806: else if (s == NULL)
807: xasprintf(cause, "no current session");
1.51 nicm 808: else {
1.50 nicm 809: *oo = s->options;
1.51 nicm 810: scope = OPTIONS_TABLE_SESSION;
811: }
1.50 nicm 812: break;
813: case OPTIONS_TABLE_WINDOW|OPTIONS_TABLE_PANE:
814: if (args_has(args, 'p')) {
815: if (wp == NULL && target != NULL)
816: xasprintf(cause, "no such pane: %s", target);
817: else if (wp == NULL)
818: xasprintf(cause, "no current pane");
1.51 nicm 819: else {
1.50 nicm 820: *oo = wp->options;
1.51 nicm 821: scope = OPTIONS_TABLE_PANE;
822: }
1.50 nicm 823: break;
824: }
825: /* FALLTHROUGH */
826: case OPTIONS_TABLE_WINDOW:
1.51 nicm 827: if (args_has(args, 'g')) {
1.49 nicm 828: *oo = global_w_options;
1.51 nicm 829: scope = OPTIONS_TABLE_WINDOW;
830: } else if (wl == NULL && target != NULL)
1.50 nicm 831: xasprintf(cause, "no such window: %s", target);
832: else if (wl == NULL)
833: xasprintf(cause, "no current window");
1.51 nicm 834: else {
1.49 nicm 835: *oo = wl->window->options;
1.51 nicm 836: scope = OPTIONS_TABLE_WINDOW;
837: }
1.50 nicm 838: break;
1.49 nicm 839: }
840: return (scope);
841: }
842:
1.50 nicm 843: int
1.26 nicm 844: options_scope_from_flags(struct args *args, int window,
845: struct cmd_find_state *fs, struct options **oo, char **cause)
846: {
1.50 nicm 847: struct session *s = fs->s;
848: struct winlink *wl = fs->wl;
849: struct window_pane *wp = fs->wp;
850: const char *target = args_get(args, 't');
1.26 nicm 851:
852: if (args_has(args, 's')) {
853: *oo = global_options;
854: return (OPTIONS_TABLE_SERVER);
855: }
1.12 nicm 856:
1.50 nicm 857: if (args_has(args, 'p')) {
858: if (wp == NULL) {
859: if (target != NULL)
860: xasprintf(cause, "no such pane: %s", target);
861: else
862: xasprintf(cause, "no current pane");
863: return (OPTIONS_TABLE_NONE);
864: }
865: *oo = wp->options;
866: return (OPTIONS_TABLE_PANE);
867: } else if (window || args_has(args, 'w')) {
1.26 nicm 868: if (args_has(args, 'g')) {
869: *oo = global_w_options;
870: return (OPTIONS_TABLE_WINDOW);
871: }
872: if (wl == NULL) {
873: if (target != NULL)
874: xasprintf(cause, "no such window: %s", target);
875: else
876: xasprintf(cause, "no current window");
877: return (OPTIONS_TABLE_NONE);
878: }
879: *oo = wl->window->options;
880: return (OPTIONS_TABLE_WINDOW);
881: } else {
882: if (args_has(args, 'g')) {
883: *oo = global_s_options;
884: return (OPTIONS_TABLE_SESSION);
885: }
886: if (s == NULL) {
887: if (target != NULL)
888: xasprintf(cause, "no such session: %s", target);
889: else
890: xasprintf(cause, "no current session");
891: return (OPTIONS_TABLE_NONE);
892: }
893: *oo = s->options;
894: return (OPTIONS_TABLE_SESSION);
895: }
1.56 nicm 896: }
897:
898: struct style *
899: options_string_to_style(struct options *oo, const char *name,
900: struct format_tree *ft)
901: {
902: struct options_entry *o;
903: const char *s;
904: char *expanded;
905:
906: o = options_get(oo, name);
907: if (o == NULL || !OPTIONS_IS_STRING(o))
908: return (NULL);
909:
910: if (o->cached)
911: return (&o->style);
912: s = o->value.string;
913: log_debug("%s: %s is '%s'", __func__, name, s);
914:
915: style_set(&o->style, &grid_default_cell);
916: o->cached = (strstr(s, "#{") == NULL);
917:
918: if (ft != NULL && !o->cached) {
919: expanded = format_expand(ft, s);
920: if (style_parse(&o->style, &grid_default_cell, expanded) != 0) {
921: free(expanded);
922: return (NULL);
923: }
924: free(expanded);
925: } else {
926: if (style_parse(&o->style, &grid_default_cell, s) != 0)
927: return (NULL);
928: }
929: return (&o->style);
1.57 nicm 930: }
931:
932: static int
933: options_from_string_check(const struct options_table_entry *oe,
934: const char *value, char **cause)
935: {
936: struct style sy;
937:
938: if (oe == NULL)
939: return (0);
940: if (strcmp(oe->name, "default-shell") == 0 && !checkshell(value)) {
941: xasprintf(cause, "not a suitable shell: %s", value);
942: return (-1);
943: }
944: if (oe->pattern != NULL && fnmatch(oe->pattern, value, 0) != 0) {
945: xasprintf(cause, "value is invalid: %s", value);
946: return (-1);
947: }
948: if ((oe->flags & OPTIONS_TABLE_IS_STYLE) &&
949: strstr(value, "#{") == NULL &&
950: style_parse(&sy, &grid_default_cell, value) != 0) {
951: xasprintf(cause, "invalid style: %s", value);
952: return (-1);
953: }
954: return (0);
955: }
956:
957: static int
958: options_from_string_flag(struct options *oo, const char *name,
959: const char *value, char **cause)
960: {
961: int flag;
962:
963: if (value == NULL || *value == '\0')
964: flag = !options_get_number(oo, name);
965: else if (strcmp(value, "1") == 0 ||
966: strcasecmp(value, "on") == 0 ||
967: strcasecmp(value, "yes") == 0)
968: flag = 1;
969: else if (strcmp(value, "0") == 0 ||
970: strcasecmp(value, "off") == 0 ||
971: strcasecmp(value, "no") == 0)
972: flag = 0;
973: else {
974: xasprintf(cause, "bad value: %s", value);
975: return (-1);
976: }
977: options_set_number(oo, name, flag);
978: return (0);
979: }
980:
981: static int
982: options_from_string_choice(const struct options_table_entry *oe,
983: struct options *oo, const char *name, const char *value, char **cause)
984: {
985: const char **cp;
986: int n, choice = -1;
987:
988: if (value == NULL) {
989: choice = options_get_number(oo, name);
990: if (choice < 2)
991: choice = !choice;
992: } else {
993: n = 0;
994: for (cp = oe->choices; *cp != NULL; cp++) {
995: if (strcmp(*cp, value) == 0)
996: choice = n;
997: n++;
998: }
999: if (choice == -1) {
1000: xasprintf(cause, "unknown value: %s", value);
1001: return (-1);
1002: }
1003: }
1004: options_set_number(oo, name, choice);
1005: return (0);
1006: }
1007:
1008: int
1009: options_from_string(struct options *oo, const struct options_table_entry *oe,
1010: const char *name, const char *value, int append, char **cause)
1011: {
1012: enum options_table_type type;
1013: long long number;
1014: const char *errstr, *new;
1015: char *old;
1016: key_code key;
1017:
1018: if (oe != NULL) {
1019: if (value == NULL &&
1020: oe->type != OPTIONS_TABLE_FLAG &&
1021: oe->type != OPTIONS_TABLE_CHOICE) {
1022: xasprintf(cause, "empty value");
1023: return (-1);
1024: }
1025: type = oe->type;
1026: } else {
1027: if (*name != '@') {
1028: xasprintf(cause, "bad option name");
1029: return (-1);
1030: }
1031: type = OPTIONS_TABLE_STRING;
1032: }
1033:
1034: switch (type) {
1035: case OPTIONS_TABLE_STRING:
1036: old = xstrdup(options_get_string(oo, name));
1037: options_set_string(oo, name, append, "%s", value);
1038:
1039: new = options_get_string(oo, name);
1040: if (options_from_string_check(oe, new, cause) != 0) {
1041: options_set_string(oo, name, 0, "%s", old);
1042: free(old);
1043: return (-1);
1044: }
1045: free(old);
1046: return (0);
1047: case OPTIONS_TABLE_NUMBER:
1048: number = strtonum(value, oe->minimum, oe->maximum, &errstr);
1049: if (errstr != NULL) {
1050: xasprintf(cause, "value is %s: %s", errstr, value);
1051: return (-1);
1052: }
1053: options_set_number(oo, name, number);
1054: return (0);
1055: case OPTIONS_TABLE_KEY:
1056: key = key_string_lookup_string(value);
1057: if (key == KEYC_UNKNOWN) {
1058: xasprintf(cause, "bad key: %s", value);
1059: return (-1);
1060: }
1061: options_set_number(oo, name, key);
1062: return (0);
1063: case OPTIONS_TABLE_COLOUR:
1064: if ((number = colour_fromstring(value)) == -1) {
1065: xasprintf(cause, "bad colour: %s", value);
1066: return (-1);
1067: }
1068: options_set_number(oo, name, number);
1069: return (0);
1070: case OPTIONS_TABLE_FLAG:
1071: return (options_from_string_flag(oo, name, value, cause));
1072: case OPTIONS_TABLE_CHOICE:
1073: return (options_from_string_choice(oe, oo, name, value, cause));
1074: case OPTIONS_TABLE_COMMAND:
1075: break;
1076: }
1077: return (-1);
1078: }
1079:
1080: void
1081: options_push_changes(const char *name)
1082: {
1083: struct client *loop;
1084: struct session *s;
1085: struct window *w;
1086: struct window_pane *wp;
1087:
1088: if (strcmp(name, "automatic-rename") == 0) {
1089: RB_FOREACH(w, windows, &windows) {
1090: if (w->active == NULL)
1091: continue;
1092: if (options_get_number(w->options, "automatic-rename"))
1093: w->active->flags |= PANE_CHANGED;
1094: }
1095: }
1096: if (strcmp(name, "key-table") == 0) {
1097: TAILQ_FOREACH(loop, &clients, entry)
1098: server_client_set_key_table(loop, NULL);
1099: }
1100: if (strcmp(name, "user-keys") == 0) {
1101: TAILQ_FOREACH(loop, &clients, entry) {
1102: if (loop->tty.flags & TTY_OPENED)
1103: tty_keys_build(&loop->tty);
1104: }
1105: }
1106: if (strcmp(name, "status") == 0 ||
1107: strcmp(name, "status-interval") == 0)
1108: status_timer_start_all();
1109: if (strcmp(name, "monitor-silence") == 0)
1110: alerts_reset_all();
1111: if (strcmp(name, "window-style") == 0 ||
1112: strcmp(name, "window-active-style") == 0) {
1113: RB_FOREACH(wp, window_pane_tree, &all_window_panes)
1114: wp->flags |= PANE_STYLECHANGED;
1115: }
1116: if (strcmp(name, "pane-border-status") == 0) {
1117: RB_FOREACH(w, windows, &windows)
1.62 ! nicm 1118: layout_fix_panes(w, NULL);
1.57 nicm 1119: }
1120: RB_FOREACH(s, sessions, &sessions)
1121: status_update_cache(s);
1122:
1123: recalculate_sizes();
1124: TAILQ_FOREACH(loop, &clients, entry) {
1125: if (loop->session != NULL)
1126: server_redraw_client(loop);
1127: }
1.59 nicm 1128: }
1129:
1130: int
1131: options_remove_or_default(struct options_entry *o, int idx, char **cause)
1132: {
1133: struct options *oo = o->owner;
1134:
1135: if (idx == -1) {
1136: if (o->tableentry != NULL &&
1137: (oo == global_options ||
1138: oo == global_s_options ||
1139: oo == global_w_options))
1140: options_default(oo, o->tableentry);
1141: else
1142: options_remove(o);
1143: } else if (options_array_set(o, idx, NULL, 0, cause) != 0)
1144: return (-1);
1145: return (0);
1.1 nicm 1146: }