Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.137
1.137 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.136 2020/05/16 16:50:55 nicm Exp $ */
1.1 nicm 2:
3: /*
1.93 nicm 4: * Copyright (c) 2007 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:
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
27: * Set an option.
28: */
29:
1.101 nicm 30: static enum cmd_retval cmd_set_option_exec(struct cmd *, struct cmdq_item *);
1.59 nicm 31:
1.1 nicm 32: const struct cmd_entry cmd_set_option_entry = {
1.91 nicm 33: .name = "set-option",
34: .alias = "set",
35:
1.127 nicm 36: .args = { "aFgopqst:uw", 1, 2 },
37: .usage = "[-aFgopqsuw] " CMD_TARGET_PANE_USAGE " option [value]",
1.91 nicm 38:
1.127 nicm 39: .target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
1.92 nicm 40:
1.100 nicm 41: .flags = CMD_AFTERHOOK,
1.91 nicm 42: .exec = cmd_set_option_exec
1.1 nicm 43: };
44:
1.46 nicm 45: const struct cmd_entry cmd_set_window_option_entry = {
1.91 nicm 46: .name = "set-window-option",
47: .alias = "setw",
48:
1.115 nicm 49: .args = { "aFgoqt:u", 1, 2 },
50: .usage = "[-aFgoqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
1.91 nicm 51:
1.114 nicm 52: .target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
1.92 nicm 53:
1.100 nicm 54: .flags = CMD_AFTERHOOK,
1.91 nicm 55: .exec = cmd_set_option_exec
1.46 nicm 56: };
57:
1.125 nicm 58: const struct cmd_entry cmd_set_hook_entry = {
59: .name = "set-hook",
60: .alias = NULL,
61:
1.129 nicm 62: .args = { "agpRt:uw", 1, 2 },
63: .usage = "[-agpRuw] " CMD_TARGET_PANE_USAGE " hook [command]",
1.125 nicm 64:
1.129 nicm 65: .target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
1.125 nicm 66:
67: .flags = CMD_AFTERHOOK,
68: .exec = cmd_set_option_exec
69: };
70:
1.99 nicm 71: static enum cmd_retval
1.101 nicm 72: cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 73: {
1.130 nicm 74: struct args *args = cmd_get_args(self);
1.109 nicm 75: int append = args_has(args, 'a');
1.131 nicm 76: struct cmd_find_state *target = cmdq_get_target(item);
1.105 nicm 77: struct options *oo;
1.107 nicm 78: struct options_entry *parent, *o;
1.115 nicm 79: char *name, *argument, *value = NULL, *cause;
1.105 nicm 80: int window, idx, already, error, ambiguous;
1.127 nicm 81: int scope;
1.115 nicm 82:
1.130 nicm 83: window = (cmd_get_entry(self) == &cmd_set_window_option_entry);
1.126 nicm 84:
1.115 nicm 85: /* Expand argument. */
1.132 nicm 86: argument = format_single_from_target(item, args->argv[0]);
1.105 nicm 87:
1.126 nicm 88: /* If set-hook -R, fire the hook straight away. */
1.130 nicm 89: if (cmd_get_entry(self) == &cmd_set_hook_entry && args_has(args, 'R')) {
1.125 nicm 90: notify_hook(item, argument);
1.126 nicm 91: free(argument);
1.125 nicm 92: return (CMD_RETURN_NORMAL);
93: }
94:
1.105 nicm 95: /* Parse option name and index. */
1.115 nicm 96: name = options_match(argument, &idx, &ambiguous);
1.105 nicm 97: if (name == NULL) {
1.106 nicm 98: if (args_has(args, 'q'))
1.115 nicm 99: goto out;
1.105 nicm 100: if (ambiguous)
1.115 nicm 101: cmdq_error(item, "ambiguous option: %s", argument);
1.105 nicm 102: else
1.115 nicm 103: cmdq_error(item, "invalid option: %s", argument);
104: goto fail;
1.50 nicm 105: }
106: if (args->argc < 2)
1.105 nicm 107: value = NULL;
1.115 nicm 108: else if (args_has(args, 'F'))
1.132 nicm 109: value = format_single_from_target(item, args->argv[1]);
1.50 nicm 110: else
1.115 nicm 111: value = xstrdup(args->argv[1]);
1.50 nicm 112:
1.126 nicm 113: /* Get the scope and table for the option .*/
1.131 nicm 114: scope = options_scope_from_name(args, window, name, target, &oo,
115: &cause);
1.105 nicm 116: if (scope == OPTIONS_TABLE_NONE) {
1.106 nicm 117: if (args_has(args, 'q'))
1.115 nicm 118: goto out;
1.105 nicm 119: cmdq_error(item, "%s", cause);
120: free(cause);
1.113 nicm 121: goto fail;
1.105 nicm 122: }
123: o = options_get_only(oo, name);
124: parent = options_get(oo, name);
125:
126: /* Check that array options and indexes match up. */
1.135 nicm 127: if (idx != -1 && (*name == '@' || !options_is_array(parent))) {
1.122 nicm 128: cmdq_error(item, "not an array: %s", argument);
129: goto fail;
1.105 nicm 130: }
131:
132: /* With -o, check this option is not already set. */
133: if (!args_has(args, 'u') && args_has(args, 'o')) {
134: if (idx == -1)
135: already = (o != NULL);
136: else {
137: if (o == NULL)
138: already = 0;
139: else
140: already = (options_array_get(o, idx) != NULL);
141: }
142: if (already) {
143: if (args_has(args, 'q'))
1.115 nicm 144: goto out;
145: cmdq_error(item, "already set: %s", argument);
1.113 nicm 146: goto fail;
1.105 nicm 147: }
1.1 nicm 148: }
149:
1.105 nicm 150: /* Change the option. */
1.44 nicm 151: if (args_has(args, 'u')) {
1.105 nicm 152: if (o == NULL)
1.118 nicm 153: goto out;
1.137 ! nicm 154: if (options_remove_or_default(o, idx, &cause) != 0) {
1.125 nicm 155: cmdq_error(item, "%s", cause);
156: free(cause);
157: goto fail;
158: }
1.109 nicm 159: } else if (*name == '@') {
160: if (value == NULL) {
161: cmdq_error(item, "empty value");
1.113 nicm 162: goto fail;
1.109 nicm 163: }
164: options_set_string(oo, name, append, "%s", value);
1.135 nicm 165: } else if (idx == -1 && !options_is_array(parent)) {
166: error = options_from_string(oo, options_table_entry(parent),
167: options_table_entry(parent)->name, value,
168: args_has(args, 'a'), &cause);
169: if (error != 0) {
170: cmdq_error(item, "%s", cause);
171: free(cause);
1.113 nicm 172: goto fail;
1.135 nicm 173: }
1.43 nicm 174: } else {
1.109 nicm 175: if (value == NULL) {
176: cmdq_error(item, "empty value");
1.113 nicm 177: goto fail;
1.109 nicm 178: }
1.105 nicm 179: if (o == NULL)
180: o = options_empty(oo, options_table_entry(parent));
1.110 nicm 181: if (idx == -1) {
182: if (!append)
183: options_array_clear(o);
1.125 nicm 184: if (options_array_assign(o, value, &cause) != 0) {
185: cmdq_error(item, "%s", cause);
186: free(cause);
187: goto fail;
188: }
189: } else if (options_array_set(o, idx, value, append,
190: &cause) != 0) {
191: cmdq_error(item, "%s", cause);
192: free(cause);
1.113 nicm 193: goto fail;
1.61 nicm 194: }
1.55 nicm 195: }
196:
1.135 nicm 197: options_push_changes(name);
1.1 nicm 198:
1.115 nicm 199: out:
200: free(argument);
201: free(value);
1.113 nicm 202: free(name);
1.57 nicm 203: return (CMD_RETURN_NORMAL);
1.113 nicm 204:
205: fail:
1.115 nicm 206: free(argument);
207: free(value);
1.113 nicm 208: free(name);
209: return (CMD_RETURN_ERROR);
1.1 nicm 210: }
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