Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.49
1.49 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.48 2011/03/29 20:31:22 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:
1.43 nicm 32: int cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
1.44 nicm 33: const struct options_table_entry *, struct options *,
34: const char *);
1.43 nicm 35: int cmd_set_option_set(struct cmd *, struct cmd_ctx *,
1.44 nicm 36: const struct options_table_entry *, struct options *,
37: const char *);
1.43 nicm 38:
39: struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *,
1.44 nicm 40: const struct options_table_entry *, struct options *,
41: const char *);
1.43 nicm 42: struct options_entry *cmd_set_option_number(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_keys(struct cmd *, struct cmd_ctx *,
1.44 nicm 46: const struct options_table_entry *, struct options *,
47: const char *);
1.43 nicm 48: struct options_entry *cmd_set_option_colour(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_attributes(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_flag(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_choice(struct cmd *, struct cmd_ctx *,
1.44 nicm 58: const struct options_table_entry *, struct options *,
59: const char *);
1.27 nicm 60:
1.1 nicm 61: const struct cmd_entry cmd_set_option_entry = {
62: "set-option", "set",
1.44 nicm 63: "agst:uw", 1, 2,
1.29 nicm 64: "[-agsuw] [-t target-session|target-window] option [value]",
1.44 nicm 65: 0,
1.1 nicm 66: NULL,
1.44 nicm 67: NULL,
68: cmd_set_option_exec
1.1 nicm 69: };
70:
1.46 nicm 71: const struct cmd_entry cmd_set_window_option_entry = {
72: "set-window-option", "setw",
73: "agt:u", 1, 2,
74: "[-agu] " CMD_TARGET_WINDOW_USAGE " option [value]",
75: 0,
76: NULL,
77: NULL,
78: cmd_set_option_exec
79: };
80:
1.1 nicm 81: int
82: cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
83: {
1.44 nicm 84: struct args *args = self->args;
1.43 nicm 85: const struct options_table_entry *table, *oe, *oe_loop;
86: struct session *s;
87: struct winlink *wl;
88: struct client *c;
89: struct options *oo;
1.44 nicm 90: const char *optstr, *valstr;
1.43 nicm 91: u_int i;
1.1 nicm 92:
1.43 nicm 93: /* Work out the options tree and table to use. */
1.44 nicm 94: if (args_has(self->args, 's')) {
1.29 nicm 95: oo = &global_options;
1.43 nicm 96: table = server_options_table;
1.46 nicm 97: } else if (args_has(self->args, 'w') ||
98: self->entry == &cmd_set_window_option_entry) {
1.43 nicm 99: table = window_options_table;
1.44 nicm 100: if (args_has(self->args, 'g'))
1.27 nicm 101: oo = &global_w_options;
102: else {
1.44 nicm 103: wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
1.27 nicm 104: if (wl == NULL)
105: return (-1);
106: oo = &wl->window->options;
107: }
108: } else {
1.43 nicm 109: table = session_options_table;
1.44 nicm 110: if (args_has(self->args, 'g'))
1.27 nicm 111: oo = &global_s_options;
112: else {
1.44 nicm 113: s = cmd_find_session(ctx, args_get(args, 't'));
1.27 nicm 114: if (s == NULL)
115: return (-1);
116: oo = &s->options;
117: }
1.1 nicm 118: }
119:
1.44 nicm 120: /* Get the option name and value. */
121: optstr = args->argv[0];
122: if (*optstr == '\0') {
123: ctx->error(ctx, "invalid option");
124: return (-1);
125: }
1.45 nicm 126: if (args->argc < 2)
1.44 nicm 127: valstr = NULL;
128: else
129: valstr = args->argv[1];
130:
1.43 nicm 131: /* Find the option table entry. */
132: oe = NULL;
133: for (oe_loop = table; oe_loop->name != NULL; oe_loop++) {
1.44 nicm 134: if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
1.1 nicm 135: continue;
1.44 nicm 136:
1.43 nicm 137: if (oe != NULL) {
1.44 nicm 138: ctx->error(ctx, "ambiguous option: %s", optstr);
1.1 nicm 139: return (-1);
140: }
1.43 nicm 141: oe = oe_loop;
1.1 nicm 142:
143: /* Bail now if an exact match. */
1.44 nicm 144: if (strcmp(oe->name, optstr) == 0)
1.1 nicm 145: break;
146: }
1.43 nicm 147: if (oe == NULL) {
1.44 nicm 148: ctx->error(ctx, "unknown option: %s", optstr);
1.1 nicm 149: return (-1);
150: }
151:
1.43 nicm 152: /* Unset or set the option. */
1.44 nicm 153: if (args_has(args, 'u')) {
154: if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 155: return (-1);
1.43 nicm 156: } else {
1.44 nicm 157: if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 158: return (-1);
159: }
160:
1.43 nicm 161: /* Update sizes and redraw. May not need it but meh. */
1.1 nicm 162: recalculate_sizes();
1.27 nicm 163: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
164: c = ARRAY_ITEM(&clients, i);
165: if (c != NULL && c->session != NULL)
166: server_redraw_client(c);
1.1 nicm 167: }
168:
169: return (0);
1.27 nicm 170: }
171:
1.43 nicm 172: /* Unset an option. */
173: int
174: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 175: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 176: {
1.44 nicm 177: struct args *args = self->args;
1.43 nicm 178:
1.44 nicm 179: if (args_has(args, 'g')) {
1.43 nicm 180: ctx->error(ctx, "can't unset global option: %s", oe->name);
181: return (-1);
182: }
1.44 nicm 183: if (value != NULL) {
1.43 nicm 184: ctx->error(ctx, "value passed to unset option: %s", oe->name);
185: return (-1);
1.27 nicm 186: }
1.43 nicm 187:
188: options_remove(oo, oe->name);
189: ctx->info(ctx, "unset option: %s", oe->name);
190: return (0);
1.27 nicm 191: }
192:
1.43 nicm 193: /* Set an option. */
194: int
195: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 196: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 197: {
198: struct options_entry *o;
1.43 nicm 199: const char *s;
1.27 nicm 200:
1.44 nicm 201: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
202: ctx->error(ctx, "empty value");
1.43 nicm 203: return (-1);
1.27 nicm 204: }
205:
1.43 nicm 206: o = NULL;
207: switch (oe->type) {
208: case OPTIONS_TABLE_STRING:
1.44 nicm 209: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 210: break;
211: case OPTIONS_TABLE_NUMBER:
1.44 nicm 212: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 213: break;
214: case OPTIONS_TABLE_KEYS:
1.44 nicm 215: o = cmd_set_option_keys(self, ctx, oe, oo, value);
1.43 nicm 216: break;
217: case OPTIONS_TABLE_COLOUR:
1.44 nicm 218: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 219: break;
220: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 221: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 222: break;
223: case OPTIONS_TABLE_FLAG:
1.44 nicm 224: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 225: break;
226: case OPTIONS_TABLE_CHOICE:
1.44 nicm 227: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 228: break;
229: }
230: if (o == NULL)
231: return (-1);
232:
233: s = options_table_print_entry(oe, o);
234: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
235: return (0);
236: }
237:
238: /* Set a string option. */
239: struct options_entry *
240: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 241: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 242: {
1.44 nicm 243: struct args *args = self->args;
1.43 nicm 244: struct options_entry *o;
245: char *oldval, *newval;
246:
1.44 nicm 247: if (args_has(args, 'a')) {
1.43 nicm 248: oldval = options_get_string(oo, oe->name);
1.44 nicm 249: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 250: } else
1.44 nicm 251: newval = xstrdup(value);
1.28 nicm 252:
1.43 nicm 253: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 254:
1.44 nicm 255: xfree(newval);
1.43 nicm 256: return (o);
1.27 nicm 257: }
258:
1.43 nicm 259: /* Set a number option. */
260: struct options_entry *
1.44 nicm 261: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
262: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 263: {
1.44 nicm 264: long long ll;
265: const char *errstr;
1.27 nicm 266:
1.44 nicm 267: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 268: if (errstr != NULL) {
1.44 nicm 269: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 270: return (NULL);
1.27 nicm 271: }
272:
1.43 nicm 273: return (options_set_number(oo, oe->name, ll));
1.27 nicm 274: }
275:
1.43 nicm 276: /* Set a keys option. */
277: struct options_entry *
1.44 nicm 278: cmd_set_option_keys(unused struct cmd *self, struct cmd_ctx *ctx,
279: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 280: {
1.44 nicm 281: struct keylist *keylist;
282: char *copy, *ptr, *s;
283: int key;
1.27 nicm 284:
285: keylist = xmalloc(sizeof *keylist);
286: ARRAY_INIT(keylist);
287:
1.44 nicm 288: ptr = copy = xstrdup(value);
1.43 nicm 289: while ((s = strsep(&ptr, ",")) != NULL) {
290: if ((key = key_string_lookup_string(s)) == KEYC_NONE) {
291: ctx->error(ctx, "unknown key: %s", s);
292: xfree(copy);
1.27 nicm 293: xfree(keylist);
1.43 nicm 294: return (NULL);
1.27 nicm 295: }
296: ARRAY_ADD(keylist, key);
297: }
1.43 nicm 298: xfree(copy);
1.27 nicm 299:
1.43 nicm 300: return (options_set_data(oo, oe->name, keylist, xfree));
1.27 nicm 301: }
302:
1.43 nicm 303: /* Set a colour option. */
304: struct options_entry *
1.44 nicm 305: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
306: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 307: {
1.44 nicm 308: int colour;
1.27 nicm 309:
1.44 nicm 310: if ((colour = colour_fromstring(value)) == -1) {
311: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 312: return (NULL);
1.27 nicm 313: }
314:
1.43 nicm 315: return (options_set_number(oo, oe->name, colour));
1.27 nicm 316: }
317:
1.43 nicm 318: /* Set an attributes option. */
319: struct options_entry *
1.44 nicm 320: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
321: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 322: {
1.44 nicm 323: int attr;
1.27 nicm 324:
1.44 nicm 325: if ((attr = attributes_fromstring(value)) == -1) {
326: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 327: return (NULL);
1.27 nicm 328: }
329:
1.43 nicm 330: return (options_set_number(oo, oe->name, attr));
1.27 nicm 331: }
332:
1.43 nicm 333: /* Set a flag option. */
334: struct options_entry *
1.44 nicm 335: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
336: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 337: {
1.44 nicm 338: int flag;
1.27 nicm 339:
1.44 nicm 340: if (value == NULL || *value == '\0')
1.43 nicm 341: flag = !options_get_number(oo, oe->name);
1.27 nicm 342: else {
1.44 nicm 343: if ((value[0] == '1' && value[1] == '\0') ||
344: strcasecmp(value, "on") == 0 ||
345: strcasecmp(value, "yes") == 0)
1.27 nicm 346: flag = 1;
1.44 nicm 347: else if ((value[0] == '0' && value[1] == '\0') ||
348: strcasecmp(value, "off") == 0 ||
349: strcasecmp(value, "no") == 0)
1.27 nicm 350: flag = 0;
351: else {
1.44 nicm 352: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 353: return (NULL);
1.27 nicm 354: }
355: }
356:
1.43 nicm 357: return (options_set_number(oo, oe->name, flag));
1.27 nicm 358: }
359:
1.43 nicm 360: /* Set a choice option. */
361: struct options_entry *
1.44 nicm 362: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
363: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 364: {
1.44 nicm 365: const char **choicep;
366: int n, choice = -1;
1.27 nicm 367:
368: n = 0;
1.43 nicm 369: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 370: n++;
1.44 nicm 371: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 372: continue;
373:
374: if (choice != -1) {
1.44 nicm 375: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 376: return (NULL);
1.27 nicm 377: }
378: choice = n - 1;
379: }
380: if (choice == -1) {
1.44 nicm 381: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 382: return (NULL);
1.27 nicm 383: }
384:
1.43 nicm 385: return (options_set_number(oo, oe->name, choice));
1.1 nicm 386: }
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