Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.54
1.54 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.53 2012/02/25 12:57:42 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 *);
1.52 nicm 45: struct options_entry *cmd_set_option_key(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",
1.54 ! nicm 63: "agqst:uw", 1, 2,
! 64: "[-agsquw] [-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",
1.54 ! nicm 73: "agqt:u", 1, 2,
! 74: "[-agqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
1.46 nicm 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;
1.50 nicm 85: const struct options_table_entry *table, *oe;
1.43 nicm 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:
1.50 nicm 93: /* Get the option name and value. */
94: optstr = args->argv[0];
95: if (*optstr == '\0') {
96: ctx->error(ctx, "invalid option");
97: return (-1);
98: }
99: if (args->argc < 2)
100: valstr = NULL;
101: else
102: valstr = args->argv[1];
103:
104: /* Find the option entry, try each table. */
105: table = oe = NULL;
1.53 nicm 106: if (options_table_find(optstr, &table, &oe) != 0) {
1.50 nicm 107: ctx->error(ctx, "ambiguous option: %s", optstr);
108: return (-1);
109: }
110: if (oe == NULL) {
111: ctx->error(ctx, "unknown option: %s", optstr);
112: return (-1);
113: }
114:
115: /* Work out the tree from the table. */
116: if (table == server_options_table)
1.29 nicm 117: oo = &global_options;
1.50 nicm 118: else if (table == window_options_table) {
1.44 nicm 119: if (args_has(self->args, 'g'))
1.27 nicm 120: oo = &global_w_options;
121: else {
1.44 nicm 122: wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
1.27 nicm 123: if (wl == NULL)
124: return (-1);
125: oo = &wl->window->options;
126: }
1.50 nicm 127: } else if (table == session_options_table) {
1.44 nicm 128: if (args_has(self->args, 'g'))
1.27 nicm 129: oo = &global_s_options;
130: else {
1.51 nicm 131: s = cmd_find_session(ctx, args_get(args, 't'), 0);
1.27 nicm 132: if (s == NULL)
133: return (-1);
134: oo = &s->options;
135: }
1.50 nicm 136: } else {
137: ctx->error(ctx, "unknown table");
1.1 nicm 138: return (-1);
139: }
140:
1.43 nicm 141: /* Unset or set the option. */
1.44 nicm 142: if (args_has(args, 'u')) {
143: if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 144: return (-1);
1.43 nicm 145: } else {
1.44 nicm 146: if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 147: return (-1);
148: }
149:
1.43 nicm 150: /* Update sizes and redraw. May not need it but meh. */
1.1 nicm 151: recalculate_sizes();
1.27 nicm 152: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
153: c = ARRAY_ITEM(&clients, i);
154: if (c != NULL && c->session != NULL)
155: server_redraw_client(c);
1.1 nicm 156: }
157:
158: return (0);
1.27 nicm 159: }
160:
1.43 nicm 161: /* Unset an option. */
162: int
163: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 164: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 165: {
1.44 nicm 166: struct args *args = self->args;
1.43 nicm 167:
1.44 nicm 168: if (args_has(args, 'g')) {
1.43 nicm 169: ctx->error(ctx, "can't unset global option: %s", oe->name);
170: return (-1);
171: }
1.44 nicm 172: if (value != NULL) {
1.43 nicm 173: ctx->error(ctx, "value passed to unset option: %s", oe->name);
174: return (-1);
1.27 nicm 175: }
1.43 nicm 176:
177: options_remove(oo, oe->name);
1.54 ! nicm 178: if (!args_has(args, 'q'))
! 179: ctx->info(ctx, "unset option: %s", oe->name);
1.43 nicm 180: return (0);
1.27 nicm 181: }
182:
1.43 nicm 183: /* Set an option. */
184: int
185: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 186: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 187: {
1.54 ! nicm 188: struct args *args = self->args;
1.27 nicm 189: struct options_entry *o;
1.43 nicm 190: const char *s;
1.27 nicm 191:
1.44 nicm 192: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
193: ctx->error(ctx, "empty value");
1.43 nicm 194: return (-1);
1.27 nicm 195: }
196:
1.43 nicm 197: o = NULL;
198: switch (oe->type) {
199: case OPTIONS_TABLE_STRING:
1.44 nicm 200: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 201: break;
202: case OPTIONS_TABLE_NUMBER:
1.44 nicm 203: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 204: break;
1.52 nicm 205: case OPTIONS_TABLE_KEY:
206: o = cmd_set_option_key(self, ctx, oe, oo, value);
1.43 nicm 207: break;
208: case OPTIONS_TABLE_COLOUR:
1.44 nicm 209: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 210: break;
211: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 212: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 213: break;
214: case OPTIONS_TABLE_FLAG:
1.44 nicm 215: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 216: break;
217: case OPTIONS_TABLE_CHOICE:
1.44 nicm 218: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 219: break;
220: }
221: if (o == NULL)
222: return (-1);
223:
224: s = options_table_print_entry(oe, o);
1.54 ! nicm 225: if (!args_has(args, 'q'))
! 226: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
1.43 nicm 227: return (0);
228: }
229:
230: /* Set a string option. */
231: struct options_entry *
232: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 233: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 234: {
1.54 ! nicm 235: struct args *args = self->args;
1.43 nicm 236: struct options_entry *o;
237: char *oldval, *newval;
238:
1.44 nicm 239: if (args_has(args, 'a')) {
1.43 nicm 240: oldval = options_get_string(oo, oe->name);
1.44 nicm 241: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 242: } else
1.44 nicm 243: newval = xstrdup(value);
1.28 nicm 244:
1.43 nicm 245: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 246:
1.44 nicm 247: xfree(newval);
1.43 nicm 248: return (o);
1.27 nicm 249: }
250:
1.43 nicm 251: /* Set a number option. */
252: struct options_entry *
1.44 nicm 253: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
254: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 255: {
1.44 nicm 256: long long ll;
257: const char *errstr;
1.27 nicm 258:
1.44 nicm 259: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 260: if (errstr != NULL) {
1.44 nicm 261: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 262: return (NULL);
1.27 nicm 263: }
264:
1.43 nicm 265: return (options_set_number(oo, oe->name, ll));
1.27 nicm 266: }
267:
1.52 nicm 268: /* Set a key option. */
1.43 nicm 269: struct options_entry *
1.52 nicm 270: cmd_set_option_key(unused struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 271: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 272: {
1.52 nicm 273: int key;
274:
275: if ((key = key_string_lookup_string(value)) == KEYC_NONE) {
276: ctx->error(ctx, "bad key: %s", value);
277: return (NULL);
1.27 nicm 278: }
279:
1.52 nicm 280: return (options_set_number(oo, oe->name, key));
1.27 nicm 281: }
282:
1.43 nicm 283: /* Set a colour option. */
284: struct options_entry *
1.44 nicm 285: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
286: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 287: {
1.44 nicm 288: int colour;
1.27 nicm 289:
1.44 nicm 290: if ((colour = colour_fromstring(value)) == -1) {
291: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 292: return (NULL);
1.27 nicm 293: }
294:
1.43 nicm 295: return (options_set_number(oo, oe->name, colour));
1.27 nicm 296: }
297:
1.43 nicm 298: /* Set an attributes option. */
299: struct options_entry *
1.44 nicm 300: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
301: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 302: {
1.44 nicm 303: int attr;
1.27 nicm 304:
1.44 nicm 305: if ((attr = attributes_fromstring(value)) == -1) {
306: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 307: return (NULL);
1.27 nicm 308: }
309:
1.43 nicm 310: return (options_set_number(oo, oe->name, attr));
1.27 nicm 311: }
312:
1.43 nicm 313: /* Set a flag option. */
314: struct options_entry *
1.44 nicm 315: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
316: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 317: {
1.44 nicm 318: int flag;
1.27 nicm 319:
1.44 nicm 320: if (value == NULL || *value == '\0')
1.43 nicm 321: flag = !options_get_number(oo, oe->name);
1.27 nicm 322: else {
1.44 nicm 323: if ((value[0] == '1' && value[1] == '\0') ||
324: strcasecmp(value, "on") == 0 ||
325: strcasecmp(value, "yes") == 0)
1.27 nicm 326: flag = 1;
1.44 nicm 327: else if ((value[0] == '0' && value[1] == '\0') ||
328: strcasecmp(value, "off") == 0 ||
329: strcasecmp(value, "no") == 0)
1.27 nicm 330: flag = 0;
331: else {
1.44 nicm 332: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 333: return (NULL);
1.27 nicm 334: }
335: }
336:
1.43 nicm 337: return (options_set_number(oo, oe->name, flag));
1.27 nicm 338: }
339:
1.43 nicm 340: /* Set a choice option. */
341: struct options_entry *
1.44 nicm 342: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
343: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 344: {
1.44 nicm 345: const char **choicep;
346: int n, choice = -1;
1.27 nicm 347:
348: n = 0;
1.43 nicm 349: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 350: n++;
1.44 nicm 351: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 352: continue;
353:
354: if (choice != -1) {
1.44 nicm 355: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 356: return (NULL);
1.27 nicm 357: }
358: choice = n - 1;
359: }
360: if (choice == -1) {
1.44 nicm 361: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 362: return (NULL);
1.27 nicm 363: }
364:
1.43 nicm 365: return (options_set_number(oo, oe->name, choice));
1.1 nicm 366: }
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