Annotation of src/usr.bin/tmux/cmd-show-options.c, Revision 1.53
1.53 ! nicm 1: /* $OpenBSD: cmd-show-options.c,v 1.52 2019/05/22 18:58:31 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);
1.51 nicm 93: if (args->argc == 0) {
1.52 nicm 94: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
95: if (scope == OPTIONS_TABLE_NONE) {
96: if (args_has(args, 'q'))
97: return (CMD_RETURN_NORMAL);
98: cmdq_error(item, "%s", cause);
99: free(cause);
100: return (CMD_RETURN_ERROR);
101: }
1.46 nicm 102: return (cmd_show_options_all(self, item, oo));
1.51 nicm 103: }
1.46 nicm 104: argument = format_single(item, args->argv[0], c, s, wl, NULL);
105:
106: name = options_match(argument, &idx, &ambiguous);
107: if (name == NULL) {
108: if (args_has(args, 'q'))
109: goto fail;
110: if (ambiguous)
111: cmdq_error(item, "ambiguous option: %s", argument);
112: else
113: cmdq_error(item, "invalid option: %s", argument);
114: goto fail;
115: }
116: if (*name == '@')
117: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
118: else {
119: if (options_get_only(global_options, name) != NULL)
120: scope = OPTIONS_TABLE_SERVER;
121: else if (options_get_only(global_s_options, name) != NULL)
122: scope = OPTIONS_TABLE_SESSION;
123: else if (options_get_only(global_w_options, name) != NULL)
124: scope = OPTIONS_TABLE_WINDOW;
125: else {
126: scope = OPTIONS_TABLE_NONE;
127: xasprintf(&cause, "unknown option: %s", argument);
128: }
129: if (scope == OPTIONS_TABLE_SERVER)
130: oo = global_options;
131: else if (scope == OPTIONS_TABLE_SESSION) {
132: if (args_has(self->args, 'g'))
133: oo = global_s_options;
134: else if (s == NULL) {
135: target = args_get(args, 't');
136: if (target != NULL) {
137: cmdq_error(item, "no such session: %s",
138: target);
139: } else
140: cmdq_error(item, "no current session");
141: goto fail;
142: } else
143: oo = s->options;
144: } else if (scope == OPTIONS_TABLE_WINDOW) {
145: if (args_has(self->args, 'g'))
146: oo = global_w_options;
147: else if (wl == NULL) {
148: target = args_get(args, 't');
149: if (target != NULL) {
150: cmdq_error(item, "no such window: %s",
151: target);
152: } else
153: cmdq_error(item, "no current window");
154: goto fail;
155: } else
156: oo = wl->window->options;
157: }
158: }
1.35 nicm 159: if (scope == OPTIONS_TABLE_NONE) {
1.46 nicm 160: if (args_has(args, 'q'))
161: goto fail;
1.35 nicm 162: cmdq_error(item, "%s", cause);
163: free(cause);
1.46 nicm 164: goto fail;
1.1 nicm 165: }
1.46 nicm 166: o = options_get_only(oo, name);
167: if (o != NULL)
168: cmd_show_options_print(self, item, o, idx);
1.1 nicm 169:
1.46 nicm 170: free(name);
171: free(argument);
172: return (CMD_RETURN_NORMAL);
173:
174: fail:
175: free(name);
176: free(argument);
177: return (CMD_RETURN_ERROR);
1.35 nicm 178: }
179:
180: static void
181: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
1.36 nicm 182: struct options_entry *o, int idx)
1.35 nicm 183: {
1.43 nicm 184: struct options_array_item *a;
1.48 nicm 185: const char *name = options_name(o);
186: char *value, *tmp = NULL, *escaped;
1.35 nicm 187:
188: if (idx != -1) {
1.48 nicm 189: xasprintf(&tmp, "%s[%d]", name, idx);
1.35 nicm 190: name = tmp;
191: } else {
1.43 nicm 192: if (options_isarray(o)) {
193: a = options_array_first(o);
1.48 nicm 194: if (a == NULL) {
195: if (!args_has(self->args, 'v'))
196: cmdq_print(item, "%s", name);
197: return;
198: }
1.43 nicm 199: while (a != NULL) {
200: idx = options_array_item_index(a);
201: cmd_show_options_print(self, item, o, idx);
202: a = options_array_next(a);
1.39 nicm 203: }
204: return;
205: }
1.35 nicm 206: }
207:
1.40 nicm 208: value = options_tostring(o, idx, 0);
1.35 nicm 209: if (args_has(self->args, 'v'))
210: cmdq_print(item, "%s", value);
211: else if (options_isstring(o)) {
1.53 ! nicm 212: escaped = args_escape(value);
! 213: cmdq_print(item, "%s %s", name, escaped);
1.35 nicm 214: free(escaped);
215: } else
216: cmdq_print(item, "%s %s", name, value);
1.47 nicm 217: free(value);
1.35 nicm 218:
219: free(tmp);
1.18 nicm 220: }
221:
1.32 nicm 222: static enum cmd_retval
1.34 nicm 223: cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
1.35 nicm 224: struct options *oo)
1.18 nicm 225: {
1.49 nicm 226: struct options_entry *o;
227: struct options_array_item *a;
228: u_int idx;
229: const struct options_table_entry *oe;
1.18 nicm 230:
1.24 nicm 231: o = options_first(oo);
232: while (o != NULL) {
1.49 nicm 233: oe = options_table_entry(o);
1.48 nicm 234: if ((self->entry != &cmd_show_hooks_entry &&
235: !args_has(self->args, 'H') &&
1.49 nicm 236: oe != NULL &&
237: (oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
1.48 nicm 238: (self->entry == &cmd_show_hooks_entry &&
1.49 nicm 239: (oe == NULL ||
240: (~oe->flags & OPTIONS_TABLE_IS_HOOK)))) {
1.48 nicm 241: o = options_next(o);
242: continue;
243: }
1.43 nicm 244: if (!options_isarray(o))
1.35 nicm 245: cmd_show_options_print(self, item, o, -1);
1.48 nicm 246: else if ((a = options_array_first(o)) == NULL) {
247: if (!args_has(self->args, 'v'))
248: cmdq_print(item, "%s", options_name(o));
249: } else {
1.43 nicm 250: while (a != NULL) {
251: idx = options_array_item_index(a);
1.35 nicm 252: cmd_show_options_print(self, item, o, idx);
1.43 nicm 253: a = options_array_next(a);
1.35 nicm 254: }
1.15 nicm 255: }
1.24 nicm 256: o = options_next(o);
1.18 nicm 257: }
1.16 nicm 258: return (CMD_RETURN_NORMAL);
1.1 nicm 259: }
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