Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.52
1.52 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.51 2011/04/05 19:37:01 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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:
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
27: * Set an option.
28: */
29:
30: int cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
31:
1.50 nicm 32: int cmd_set_option_find(const char *, const struct options_table_entry **,
33: const struct options_table_entry **);
34:
1.43 nicm 35: int cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
1.44 nicm 36: const struct options_table_entry *, struct options *,
37: const char *);
1.43 nicm 38: int cmd_set_option_set(struct cmd *, struct cmd_ctx *,
1.44 nicm 39: const struct options_table_entry *, struct options *,
40: const char *);
1.43 nicm 41:
42: struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *,
1.44 nicm 43: const struct options_table_entry *, struct options *,
44: const char *);
1.43 nicm 45: struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *,
1.44 nicm 46: const struct options_table_entry *, struct options *,
47: const char *);
1.52 ! nicm 48: struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_ctx *,
1.44 nicm 49: const struct options_table_entry *, struct options *,
50: const char *);
1.43 nicm 51: struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *,
1.44 nicm 52: const struct options_table_entry *, struct options *,
53: const char *);
1.43 nicm 54: struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *,
1.44 nicm 55: const struct options_table_entry *, struct options *,
56: const char *);
1.43 nicm 57: struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *,
1.44 nicm 58: const struct options_table_entry *, struct options *,
59: const char *);
1.43 nicm 60: struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *,
1.44 nicm 61: const struct options_table_entry *, struct options *,
62: const char *);
1.27 nicm 63:
1.1 nicm 64: const struct cmd_entry cmd_set_option_entry = {
65: "set-option", "set",
1.44 nicm 66: "agst:uw", 1, 2,
1.29 nicm 67: "[-agsuw] [-t target-session|target-window] option [value]",
1.44 nicm 68: 0,
1.1 nicm 69: NULL,
1.44 nicm 70: NULL,
71: cmd_set_option_exec
1.1 nicm 72: };
73:
1.46 nicm 74: const struct cmd_entry cmd_set_window_option_entry = {
75: "set-window-option", "setw",
76: "agt:u", 1, 2,
77: "[-agu] " CMD_TARGET_WINDOW_USAGE " option [value]",
78: 0,
79: NULL,
80: NULL,
81: cmd_set_option_exec
82: };
83:
1.50 nicm 84: /* Look for an option in all three tables. */
85: int
86: cmd_set_option_find(
87: const char *optstr, const struct options_table_entry **table,
88: const struct options_table_entry **oe)
89: {
90: static const struct options_table_entry *tables[] = {
91: server_options_table,
92: window_options_table,
93: session_options_table
94: };
95: const struct options_table_entry *oe_loop;
96: u_int i;
97:
98: for (i = 0; i < nitems(tables); i++) {
99: for (oe_loop = tables[i]; oe_loop->name != NULL; oe_loop++) {
100: if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
101: continue;
102:
103: /* If already found, ambiguous. */
104: if (*oe != NULL)
105: return (-1);
106: *oe = oe_loop;
107: *table = tables[i];
108:
109: /* Bail now if an exact match. */
110: if (strcmp((*oe)->name, optstr) == 0)
111: break;
112: }
113: }
114: return (0);
115: }
116:
1.1 nicm 117: int
118: cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
119: {
1.44 nicm 120: struct args *args = self->args;
1.50 nicm 121: const struct options_table_entry *table, *oe;
1.43 nicm 122: struct session *s;
123: struct winlink *wl;
124: struct client *c;
125: struct options *oo;
1.44 nicm 126: const char *optstr, *valstr;
1.43 nicm 127: u_int i;
1.1 nicm 128:
1.50 nicm 129: /* Get the option name and value. */
130: optstr = args->argv[0];
131: if (*optstr == '\0') {
132: ctx->error(ctx, "invalid option");
133: return (-1);
134: }
135: if (args->argc < 2)
136: valstr = NULL;
137: else
138: valstr = args->argv[1];
139:
140: /* Find the option entry, try each table. */
141: table = oe = NULL;
142: if (cmd_set_option_find(optstr, &table, &oe) != 0) {
143: ctx->error(ctx, "ambiguous option: %s", optstr);
144: return (-1);
145: }
146: if (oe == NULL) {
147: ctx->error(ctx, "unknown option: %s", optstr);
148: return (-1);
149: }
150:
151: /* Work out the tree from the table. */
152: if (table == server_options_table)
1.29 nicm 153: oo = &global_options;
1.50 nicm 154: else if (table == window_options_table) {
1.44 nicm 155: if (args_has(self->args, 'g'))
1.27 nicm 156: oo = &global_w_options;
157: else {
1.44 nicm 158: wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
1.27 nicm 159: if (wl == NULL)
160: return (-1);
161: oo = &wl->window->options;
162: }
1.50 nicm 163: } else if (table == session_options_table) {
1.44 nicm 164: if (args_has(self->args, 'g'))
1.27 nicm 165: oo = &global_s_options;
166: else {
1.51 nicm 167: s = cmd_find_session(ctx, args_get(args, 't'), 0);
1.27 nicm 168: if (s == NULL)
169: return (-1);
170: oo = &s->options;
171: }
1.50 nicm 172: } else {
173: ctx->error(ctx, "unknown table");
1.1 nicm 174: return (-1);
175: }
176:
1.43 nicm 177: /* Unset or set the option. */
1.44 nicm 178: if (args_has(args, 'u')) {
179: if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 180: return (-1);
1.43 nicm 181: } else {
1.44 nicm 182: if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 183: return (-1);
184: }
185:
1.43 nicm 186: /* Update sizes and redraw. May not need it but meh. */
1.1 nicm 187: recalculate_sizes();
1.27 nicm 188: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
189: c = ARRAY_ITEM(&clients, i);
190: if (c != NULL && c->session != NULL)
191: server_redraw_client(c);
1.1 nicm 192: }
193:
194: return (0);
1.27 nicm 195: }
196:
1.43 nicm 197: /* Unset an option. */
198: int
199: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 200: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 201: {
1.44 nicm 202: struct args *args = self->args;
1.43 nicm 203:
1.44 nicm 204: if (args_has(args, 'g')) {
1.43 nicm 205: ctx->error(ctx, "can't unset global option: %s", oe->name);
206: return (-1);
207: }
1.44 nicm 208: if (value != NULL) {
1.43 nicm 209: ctx->error(ctx, "value passed to unset option: %s", oe->name);
210: return (-1);
1.27 nicm 211: }
1.43 nicm 212:
213: options_remove(oo, oe->name);
214: ctx->info(ctx, "unset option: %s", oe->name);
215: return (0);
1.27 nicm 216: }
217:
1.43 nicm 218: /* Set an option. */
219: int
220: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 221: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 222: {
223: struct options_entry *o;
1.43 nicm 224: const char *s;
1.27 nicm 225:
1.44 nicm 226: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
227: ctx->error(ctx, "empty value");
1.43 nicm 228: return (-1);
1.27 nicm 229: }
230:
1.43 nicm 231: o = NULL;
232: switch (oe->type) {
233: case OPTIONS_TABLE_STRING:
1.44 nicm 234: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 235: break;
236: case OPTIONS_TABLE_NUMBER:
1.44 nicm 237: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 238: break;
1.52 ! nicm 239: case OPTIONS_TABLE_KEY:
! 240: o = cmd_set_option_key(self, ctx, oe, oo, value);
1.43 nicm 241: break;
242: case OPTIONS_TABLE_COLOUR:
1.44 nicm 243: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 244: break;
245: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 246: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 247: break;
248: case OPTIONS_TABLE_FLAG:
1.44 nicm 249: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 250: break;
251: case OPTIONS_TABLE_CHOICE:
1.44 nicm 252: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 253: break;
254: }
255: if (o == NULL)
256: return (-1);
257:
258: s = options_table_print_entry(oe, o);
259: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
260: return (0);
261: }
262:
263: /* Set a string option. */
264: struct options_entry *
265: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 266: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 267: {
1.44 nicm 268: struct args *args = self->args;
1.43 nicm 269: struct options_entry *o;
270: char *oldval, *newval;
271:
1.44 nicm 272: if (args_has(args, 'a')) {
1.43 nicm 273: oldval = options_get_string(oo, oe->name);
1.44 nicm 274: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 275: } else
1.44 nicm 276: newval = xstrdup(value);
1.28 nicm 277:
1.43 nicm 278: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 279:
1.44 nicm 280: xfree(newval);
1.43 nicm 281: return (o);
1.27 nicm 282: }
283:
1.43 nicm 284: /* Set a number option. */
285: struct options_entry *
1.44 nicm 286: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
287: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 288: {
1.44 nicm 289: long long ll;
290: const char *errstr;
1.27 nicm 291:
1.44 nicm 292: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 293: if (errstr != NULL) {
1.44 nicm 294: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 295: return (NULL);
1.27 nicm 296: }
297:
1.43 nicm 298: return (options_set_number(oo, oe->name, ll));
1.27 nicm 299: }
300:
1.52 ! nicm 301: /* Set a key option. */
1.43 nicm 302: struct options_entry *
1.52 ! nicm 303: cmd_set_option_key(unused struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 304: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 305: {
1.52 ! nicm 306: int key;
! 307:
! 308: if ((key = key_string_lookup_string(value)) == KEYC_NONE) {
! 309: ctx->error(ctx, "bad key: %s", value);
! 310: return (NULL);
1.27 nicm 311: }
312:
1.52 ! nicm 313: return (options_set_number(oo, oe->name, key));
1.27 nicm 314: }
315:
1.43 nicm 316: /* Set a colour option. */
317: struct options_entry *
1.44 nicm 318: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
319: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 320: {
1.44 nicm 321: int colour;
1.27 nicm 322:
1.44 nicm 323: if ((colour = colour_fromstring(value)) == -1) {
324: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 325: return (NULL);
1.27 nicm 326: }
327:
1.43 nicm 328: return (options_set_number(oo, oe->name, colour));
1.27 nicm 329: }
330:
1.43 nicm 331: /* Set an attributes option. */
332: struct options_entry *
1.44 nicm 333: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
334: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 335: {
1.44 nicm 336: int attr;
1.27 nicm 337:
1.44 nicm 338: if ((attr = attributes_fromstring(value)) == -1) {
339: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 340: return (NULL);
1.27 nicm 341: }
342:
1.43 nicm 343: return (options_set_number(oo, oe->name, attr));
1.27 nicm 344: }
345:
1.43 nicm 346: /* Set a flag option. */
347: struct options_entry *
1.44 nicm 348: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
349: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 350: {
1.44 nicm 351: int flag;
1.27 nicm 352:
1.44 nicm 353: if (value == NULL || *value == '\0')
1.43 nicm 354: flag = !options_get_number(oo, oe->name);
1.27 nicm 355: else {
1.44 nicm 356: if ((value[0] == '1' && value[1] == '\0') ||
357: strcasecmp(value, "on") == 0 ||
358: strcasecmp(value, "yes") == 0)
1.27 nicm 359: flag = 1;
1.44 nicm 360: else if ((value[0] == '0' && value[1] == '\0') ||
361: strcasecmp(value, "off") == 0 ||
362: strcasecmp(value, "no") == 0)
1.27 nicm 363: flag = 0;
364: else {
1.44 nicm 365: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 366: return (NULL);
1.27 nicm 367: }
368: }
369:
1.43 nicm 370: return (options_set_number(oo, oe->name, flag));
1.27 nicm 371: }
372:
1.43 nicm 373: /* Set a choice option. */
374: struct options_entry *
1.44 nicm 375: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
376: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 377: {
1.44 nicm 378: const char **choicep;
379: int n, choice = -1;
1.27 nicm 380:
381: n = 0;
1.43 nicm 382: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 383: n++;
1.44 nicm 384: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 385: continue;
386:
387: if (choice != -1) {
1.44 nicm 388: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 389: return (NULL);
1.27 nicm 390: }
391: choice = n - 1;
392: }
393: if (choice == -1) {
1.44 nicm 394: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 395: return (NULL);
1.27 nicm 396: }
397:
1.43 nicm 398: return (options_set_number(oo, oe->name, choice));
1.1 nicm 399: }
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