Annotation of src/usr.bin/tmux/cmd-show-options.c, Revision 1.48
1.48 ! nicm 1: /* $OpenBSD: cmd-show-options.c,v 1.47 2019/04/25 18:18:55 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);
1.46 nicm 93: if (args->argc == 0) {
94: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
95: return (cmd_show_options_all(self, item, oo));
96: }
97: argument = format_single(item, args->argv[0], c, s, wl, NULL);
98:
99: name = options_match(argument, &idx, &ambiguous);
100: if (name == NULL) {
101: if (args_has(args, 'q'))
102: goto fail;
103: if (ambiguous)
104: cmdq_error(item, "ambiguous option: %s", argument);
105: else
106: cmdq_error(item, "invalid option: %s", argument);
107: goto fail;
108: }
109: if (*name == '@')
110: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
111: else {
112: if (options_get_only(global_options, name) != NULL)
113: scope = OPTIONS_TABLE_SERVER;
114: else if (options_get_only(global_s_options, name) != NULL)
115: scope = OPTIONS_TABLE_SESSION;
116: else if (options_get_only(global_w_options, name) != NULL)
117: scope = OPTIONS_TABLE_WINDOW;
118: else {
119: scope = OPTIONS_TABLE_NONE;
120: xasprintf(&cause, "unknown option: %s", argument);
121: }
122: if (scope == OPTIONS_TABLE_SERVER)
123: oo = global_options;
124: else if (scope == OPTIONS_TABLE_SESSION) {
125: if (args_has(self->args, 'g'))
126: oo = global_s_options;
127: else if (s == NULL) {
128: target = args_get(args, 't');
129: if (target != NULL) {
130: cmdq_error(item, "no such session: %s",
131: target);
132: } else
133: cmdq_error(item, "no current session");
134: goto fail;
135: } else
136: oo = s->options;
137: } else if (scope == OPTIONS_TABLE_WINDOW) {
138: if (args_has(self->args, 'g'))
139: oo = global_w_options;
140: else if (wl == NULL) {
141: target = args_get(args, 't');
142: if (target != NULL) {
143: cmdq_error(item, "no such window: %s",
144: target);
145: } else
146: cmdq_error(item, "no current window");
147: goto fail;
148: } else
149: oo = wl->window->options;
150: }
151: }
1.35 nicm 152: if (scope == OPTIONS_TABLE_NONE) {
1.46 nicm 153: if (args_has(args, 'q'))
154: goto fail;
1.35 nicm 155: cmdq_error(item, "%s", cause);
156: free(cause);
1.46 nicm 157: goto fail;
1.1 nicm 158: }
1.46 nicm 159: o = options_get_only(oo, name);
160: if (o != NULL)
161: cmd_show_options_print(self, item, o, idx);
1.1 nicm 162:
1.46 nicm 163: free(name);
164: free(argument);
165: return (CMD_RETURN_NORMAL);
166:
167: fail:
168: free(name);
169: free(argument);
170: return (CMD_RETURN_ERROR);
1.35 nicm 171: }
172:
173: static void
174: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
1.36 nicm 175: struct options_entry *o, int idx)
1.35 nicm 176: {
1.43 nicm 177: struct options_array_item *a;
1.48 ! nicm 178: const char *name = options_name(o);
! 179: char *value, *tmp = NULL, *escaped;
1.35 nicm 180:
181: if (idx != -1) {
1.48 ! nicm 182: xasprintf(&tmp, "%s[%d]", name, idx);
1.35 nicm 183: name = tmp;
184: } else {
1.43 nicm 185: if (options_isarray(o)) {
186: a = options_array_first(o);
1.48 ! nicm 187: if (a == NULL) {
! 188: if (!args_has(self->args, 'v'))
! 189: cmdq_print(item, "%s", name);
! 190: return;
! 191: }
1.43 nicm 192: while (a != NULL) {
193: idx = options_array_item_index(a);
194: cmd_show_options_print(self, item, o, idx);
195: a = options_array_next(a);
1.39 nicm 196: }
197: return;
198: }
1.35 nicm 199: }
200:
1.40 nicm 201: value = options_tostring(o, idx, 0);
1.35 nicm 202: if (args_has(self->args, 'v'))
203: cmdq_print(item, "%s", value);
204: else if (options_isstring(o)) {
1.38 nicm 205: utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
1.35 nicm 206: cmdq_print(item, "%s \"%s\"", name, escaped);
207: free(escaped);
208: } else
209: cmdq_print(item, "%s %s", name, value);
1.47 nicm 210: free(value);
1.35 nicm 211:
212: free(tmp);
1.18 nicm 213: }
214:
1.32 nicm 215: static enum cmd_retval
1.34 nicm 216: cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
1.35 nicm 217: struct options *oo)
1.18 nicm 218: {
1.48 ! nicm 219: struct options_entry *o;
! 220: struct options_array_item *a;
! 221: u_int idx;
! 222: int flags;
1.18 nicm 223:
1.24 nicm 224: o = options_first(oo);
225: while (o != NULL) {
1.48 ! nicm 226: flags = options_table_entry(o)->flags;
! 227: if ((self->entry != &cmd_show_hooks_entry &&
! 228: !args_has(self->args, 'H') &&
! 229: (flags & OPTIONS_TABLE_IS_HOOK)) ||
! 230: (self->entry == &cmd_show_hooks_entry &&
! 231: (~flags & OPTIONS_TABLE_IS_HOOK))) {
! 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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