Annotation of src/usr.bin/tmux/cmd-show-options.c, Revision 1.50
1.50 ! nicm 1: /* $OpenBSD: cmd-show-options.c,v 1.49 2019/04/30 18:02:03 nicm Exp $ */
1.1 nicm 2:
3: /*
1.30 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>
1.35 nicm 23: #include <vis.h>
1.1 nicm 24:
25: #include "tmux.h"
26:
27: /*
28: * Show options.
29: */
30:
1.34 nicm 31: static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
1.1 nicm 32:
1.46 nicm 33: static void cmd_show_options_print(struct cmd *, struct cmdq_item *,
34: struct options_entry *, int);
1.34 nicm 35: static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
1.35 nicm 36: struct options *);
1.18 nicm 37:
1.1 nicm 38: const struct cmd_entry cmd_show_options_entry = {
1.28 nicm 39: .name = "show-options",
40: .alias = "show",
41:
1.48 nicm 42: .args = { "gHqst:vw", 0, 1 },
43: .usage = "[-gHqsvw] [-t target-session|target-window] [option]",
1.28 nicm 44:
1.41 nicm 45: .target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
1.29 nicm 46:
1.33 nicm 47: .flags = CMD_AFTERHOOK,
1.28 nicm 48: .exec = cmd_show_options_exec
1.1 nicm 49: };
50:
1.13 nicm 51: const struct cmd_entry cmd_show_window_options_entry = {
1.28 nicm 52: .name = "show-window-options",
53: .alias = "showw",
54:
55: .args = { "gvt:", 0, 1 },
56: .usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
57:
1.41 nicm 58: .target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
1.29 nicm 59:
1.33 nicm 60: .flags = CMD_AFTERHOOK,
1.28 nicm 61: .exec = cmd_show_options_exec
1.13 nicm 62: };
63:
1.48 nicm 64: const struct cmd_entry cmd_show_hooks_entry = {
65: .name = "show-hooks",
66: .alias = NULL,
67:
68: .args = { "gt:", 0, 1 },
69: .usage = "[-g] " CMD_TARGET_SESSION_USAGE,
70:
71: .target = { 't', CMD_FIND_SESSION, 0 },
72:
73: .flags = CMD_AFTERHOOK,
74: .exec = cmd_show_options_exec
75: };
76:
1.32 nicm 77: static enum cmd_retval
1.34 nicm 78: cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 79: {
1.31 nicm 80: struct args *args = self->args;
1.41 nicm 81: struct cmd_find_state *fs = &item->target;
1.46 nicm 82: struct client *c = cmd_find_client(item, NULL, 1);
83: struct session *s = item->target.s;
84: struct winlink *wl = item->target.wl;
1.31 nicm 85: struct options *oo;
86: enum options_table_scope scope;
1.46 nicm 87: char *argument, *name = NULL, *cause;
88: const char *target;
89: int window, idx, ambiguous;
90: struct options_entry *o;
1.1 nicm 91:
1.35 nicm 92: window = (self->entry == &cmd_show_window_options_entry);
1.50 ! nicm 93: if (args->argc == 0)
1.46 nicm 94: return (cmd_show_options_all(self, item, oo));
95: argument = format_single(item, args->argv[0], c, s, wl, NULL);
96:
97: name = options_match(argument, &idx, &ambiguous);
98: if (name == NULL) {
99: if (args_has(args, 'q'))
100: goto fail;
101: if (ambiguous)
102: cmdq_error(item, "ambiguous option: %s", argument);
103: else
104: cmdq_error(item, "invalid option: %s", argument);
105: goto fail;
106: }
107: if (*name == '@')
108: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
109: else {
110: if (options_get_only(global_options, name) != NULL)
111: scope = OPTIONS_TABLE_SERVER;
112: else if (options_get_only(global_s_options, name) != NULL)
113: scope = OPTIONS_TABLE_SESSION;
114: else if (options_get_only(global_w_options, name) != NULL)
115: scope = OPTIONS_TABLE_WINDOW;
116: else {
117: scope = OPTIONS_TABLE_NONE;
118: xasprintf(&cause, "unknown option: %s", argument);
119: }
120: if (scope == OPTIONS_TABLE_SERVER)
121: oo = global_options;
122: else if (scope == OPTIONS_TABLE_SESSION) {
123: if (args_has(self->args, 'g'))
124: oo = global_s_options;
125: else if (s == NULL) {
126: target = args_get(args, 't');
127: if (target != NULL) {
128: cmdq_error(item, "no such session: %s",
129: target);
130: } else
131: cmdq_error(item, "no current session");
132: goto fail;
133: } else
134: oo = s->options;
135: } else if (scope == OPTIONS_TABLE_WINDOW) {
136: if (args_has(self->args, 'g'))
137: oo = global_w_options;
138: else if (wl == NULL) {
139: target = args_get(args, 't');
140: if (target != NULL) {
141: cmdq_error(item, "no such window: %s",
142: target);
143: } else
144: cmdq_error(item, "no current window");
145: goto fail;
146: } else
147: oo = wl->window->options;
148: }
149: }
1.35 nicm 150: if (scope == OPTIONS_TABLE_NONE) {
1.46 nicm 151: if (args_has(args, 'q'))
152: goto fail;
1.35 nicm 153: cmdq_error(item, "%s", cause);
154: free(cause);
1.46 nicm 155: goto fail;
1.1 nicm 156: }
1.46 nicm 157: o = options_get_only(oo, name);
158: if (o != NULL)
159: cmd_show_options_print(self, item, o, idx);
1.1 nicm 160:
1.46 nicm 161: free(name);
162: free(argument);
163: return (CMD_RETURN_NORMAL);
164:
165: fail:
166: free(name);
167: free(argument);
168: return (CMD_RETURN_ERROR);
1.35 nicm 169: }
170:
171: static void
172: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
1.36 nicm 173: struct options_entry *o, int idx)
1.35 nicm 174: {
1.43 nicm 175: struct options_array_item *a;
1.48 nicm 176: const char *name = options_name(o);
177: char *value, *tmp = NULL, *escaped;
1.35 nicm 178:
179: if (idx != -1) {
1.48 nicm 180: xasprintf(&tmp, "%s[%d]", name, idx);
1.35 nicm 181: name = tmp;
182: } else {
1.43 nicm 183: if (options_isarray(o)) {
184: a = options_array_first(o);
1.48 nicm 185: if (a == NULL) {
186: if (!args_has(self->args, 'v'))
187: cmdq_print(item, "%s", name);
188: return;
189: }
1.43 nicm 190: while (a != NULL) {
191: idx = options_array_item_index(a);
192: cmd_show_options_print(self, item, o, idx);
193: a = options_array_next(a);
1.39 nicm 194: }
195: return;
196: }
1.35 nicm 197: }
198:
1.40 nicm 199: value = options_tostring(o, idx, 0);
1.35 nicm 200: if (args_has(self->args, 'v'))
201: cmdq_print(item, "%s", value);
202: else if (options_isstring(o)) {
1.38 nicm 203: utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
1.35 nicm 204: cmdq_print(item, "%s \"%s\"", name, escaped);
205: free(escaped);
206: } else
207: cmdq_print(item, "%s %s", name, value);
1.47 nicm 208: free(value);
1.35 nicm 209:
210: free(tmp);
1.18 nicm 211: }
212:
1.32 nicm 213: static enum cmd_retval
1.34 nicm 214: cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
1.35 nicm 215: struct options *oo)
1.18 nicm 216: {
1.49 nicm 217: struct options_entry *o;
218: struct options_array_item *a;
219: u_int idx;
220: const struct options_table_entry *oe;
1.18 nicm 221:
1.24 nicm 222: o = options_first(oo);
223: while (o != NULL) {
1.49 nicm 224: oe = options_table_entry(o);
1.48 nicm 225: if ((self->entry != &cmd_show_hooks_entry &&
226: !args_has(self->args, 'H') &&
1.49 nicm 227: oe != NULL &&
228: (oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
1.48 nicm 229: (self->entry == &cmd_show_hooks_entry &&
1.49 nicm 230: (oe == NULL ||
231: (~oe->flags & OPTIONS_TABLE_IS_HOOK)))) {
1.48 nicm 232: o = options_next(o);
233: continue;
234: }
1.43 nicm 235: if (!options_isarray(o))
1.35 nicm 236: cmd_show_options_print(self, item, o, -1);
1.48 nicm 237: else if ((a = options_array_first(o)) == NULL) {
238: if (!args_has(self->args, 'v'))
239: cmdq_print(item, "%s", options_name(o));
240: } else {
1.43 nicm 241: while (a != NULL) {
242: idx = options_array_item_index(a);
1.35 nicm 243: cmd_show_options_print(self, item, o, idx);
1.43 nicm 244: a = options_array_next(a);
1.35 nicm 245: }
1.15 nicm 246: }
1.24 nicm 247: o = options_next(o);
1.18 nicm 248: }
1.16 nicm 249: return (CMD_RETURN_NORMAL);
1.1 nicm 250: }
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