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1.1 misho 1: /* $OpenBSD$ */
2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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: * Show options.
28: */
29:
30: static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
31:
32: static enum cmd_retval cmd_show_options_one(struct cmd *, struct cmdq_item *,
33: struct options *);
34: static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
35: struct options *);
36:
37: const struct cmd_entry cmd_show_options_entry = {
38: .name = "show-options",
39: .alias = "show",
40:
41: .args = { "gqst:vw", 0, 1 },
42: .usage = "[-gqsvw] [-t target-session|target-window] [option]",
43:
44: .tflag = CMD_WINDOW_CANFAIL,
45:
46: .flags = CMD_AFTERHOOK,
47: .exec = cmd_show_options_exec
48: };
49:
50: const struct cmd_entry cmd_show_window_options_entry = {
51: .name = "show-window-options",
52: .alias = "showw",
53:
54: .args = { "gvt:", 0, 1 },
55: .usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
56:
57: .tflag = CMD_WINDOW_CANFAIL,
58:
59: .flags = CMD_AFTERHOOK,
60: .exec = cmd_show_options_exec
61: };
62:
63: static enum cmd_retval
64: cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
65: {
66: struct args *args = self->args;
67: struct cmd_find_state *fs = &item->state.tflag;
68: struct options *oo;
69: enum options_table_scope scope;
70: char *cause;
71: int window;
72:
73: window = (self->entry == &cmd_show_window_options_entry);
74: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
75: if (scope == OPTIONS_TABLE_NONE) {
76: cmdq_error(item, "%s", cause);
77: free(cause);
78: return (CMD_RETURN_ERROR);
79: }
80:
81: if (args->argc == 0)
82: return (cmd_show_options_all(self, item, oo));
83: else
84: return (cmd_show_options_one(self, item, oo));
85: }
86:
87: static void
88: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
89: struct options_entry *o, int idx)
90: {
91: const char *name;
92: const char *value;
93: char *tmp, *escaped;
94: u_int size, i;
95:
96: if (idx != -1) {
97: xasprintf(&tmp, "%s[%d]", options_name(o), idx);
98: name = tmp;
99: } else {
100: if (options_array_size(o, &size) != -1) {
101: for (i = 0; i < size; i++) {
102: if (options_array_get(o, i) == NULL)
103: continue;
104: cmd_show_options_print(self, item, o, i);
105: }
106: return;
107: }
108: tmp = NULL;
109: name = options_name(o);
110: }
111:
112: value = options_tostring(o, idx, 0);
113: if (args_has(self->args, 'v'))
114: cmdq_print(item, "%s", value);
115: else if (options_isstring(o)) {
116: utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
117: cmdq_print(item, "%s \"%s\"", name, escaped);
118: free(escaped);
119: } else
120: cmdq_print(item, "%s %s", name, value);
121:
122: free(tmp);
123: }
124:
125: static enum cmd_retval
126: cmd_show_options_one(struct cmd *self, struct cmdq_item *item,
127: struct options *oo)
128: {
129: struct args *args = self->args;
130: struct options_entry *o;
131: int idx, ambiguous;
132: const char *name = args->argv[0];
133:
134: o = options_match_get(oo, name, &idx, 1, &ambiguous);
135: if (o == NULL) {
136: if (args_has(args, 'q'))
137: return (CMD_RETURN_NORMAL);
138: if (ambiguous) {
139: cmdq_error(item, "ambiguous option: %s", name);
140: return (CMD_RETURN_ERROR);
141: }
142: if (*name != '@' &&
143: options_match_get(oo, name, &idx, 0, &ambiguous) != NULL)
144: return (CMD_RETURN_NORMAL);
145: cmdq_error(item, "unknown option: %s", name);
146: return (CMD_RETURN_ERROR);
147: }
148: cmd_show_options_print(self, item, o, idx);
149: return (CMD_RETURN_NORMAL);
150: }
151:
152: static enum cmd_retval
153: cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
154: struct options *oo)
155: {
156: struct options_entry *o;
157: const struct options_table_entry *oe;
158: u_int size, idx;
159:
160: o = options_first(oo);
161: while (o != NULL) {
162: oe = options_table_entry(o);
163: if (oe != NULL && oe->style != NULL) {
164: o = options_next(o);
165: continue;
166: }
167: if (options_array_size(o, &size) == -1)
168: cmd_show_options_print(self, item, o, -1);
169: else {
170: for (idx = 0; idx < size; idx++) {
171: if (options_array_get(o, idx) == NULL)
172: continue;
173: cmd_show_options_print(self, item, o, idx);
174: }
175: }
176: o = options_next(o);
177: }
178: return (CMD_RETURN_NORMAL);
179: }