1 /* Id */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 enum cmd_retval	 cmd_show_options_exec(struct cmd *, struct cmd_q *);
31 
32 enum cmd_retval	cmd_show_options_one(struct cmd *, struct cmd_q *,
33 		    struct options *, int);
34 enum cmd_retval cmd_show_options_all(struct cmd *, struct cmd_q *,
35 		    const struct options_table_entry *, struct options *);
36 
37 const struct cmd_entry cmd_show_options_entry = {
38 	"show-options", "show",
39 	"gqst:vw", 0, 1,
40 	"[-gqsvw] [-t target-session|target-window] [option]",
41 	0,
42 	NULL,
43 	cmd_show_options_exec
44 };
45 
46 const struct cmd_entry cmd_show_window_options_entry = {
47 	"show-window-options", "showw",
48 	"gvt:", 0, 1,
49 	"[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
50 	0,
51 	NULL,
52 	cmd_show_options_exec
53 };
54 
55 enum cmd_retval
cmd_show_options_exec(struct cmd * self,struct cmd_q * cmdq)56 cmd_show_options_exec(struct cmd *self, struct cmd_q *cmdq)
57 {
58 	struct args				*args = self->args;
59 	struct session				*s;
60 	struct winlink				*wl;
61 	const struct options_table_entry	*table;
62 	struct options				*oo;
63 	int					 quiet;
64 
65 	if (args_has(self->args, 's')) {
66 		oo = &global_options;
67 		table = server_options_table;
68 	} else if (args_has(self->args, 'w') ||
69 	    self->entry == &cmd_show_window_options_entry) {
70 		table = window_options_table;
71 		if (args_has(self->args, 'g'))
72 			oo = &global_w_options;
73 		else {
74 			wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
75 			if (wl == NULL)
76 				return (CMD_RETURN_ERROR);
77 			oo = &wl->window->options;
78 		}
79 	} else {
80 		table = session_options_table;
81 		if (args_has(self->args, 'g'))
82 			oo = &global_s_options;
83 		else {
84 			s = cmd_find_session(cmdq, args_get(args, 't'), 0);
85 			if (s == NULL)
86 				return (CMD_RETURN_ERROR);
87 			oo = &s->options;
88 		}
89 	}
90 
91 	quiet = args_has(self->args, 'q');
92 	if (args->argc == 0)
93 		return (cmd_show_options_all(self, cmdq, table, oo));
94 	else
95 		return (cmd_show_options_one(self, cmdq, oo, quiet));
96 }
97 
98 enum cmd_retval
cmd_show_options_one(struct cmd * self,struct cmd_q * cmdq,struct options * oo,int quiet)99 cmd_show_options_one(struct cmd *self, struct cmd_q *cmdq,
100     struct options *oo, int quiet)
101 {
102 	struct args				*args = self->args;
103 	const struct options_table_entry	*table, *oe;
104 	struct options_entry			*o;
105 	const char				*optval;
106 
107 	if (*args->argv[0] == '@') {
108 		if ((o = options_find1(oo, args->argv[0])) == NULL) {
109 			if (quiet)
110 				return (CMD_RETURN_NORMAL);
111 			cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
112 			return (CMD_RETURN_ERROR);
113 		}
114 		if (args_has(self->args, 'v'))
115 			cmdq_print(cmdq, "%s", o->str);
116 		else
117 			cmdq_print(cmdq, "%s \"%s\"", o->name, o->str);
118 		return (CMD_RETURN_NORMAL);
119 	}
120 
121 	table = oe = NULL;
122 	if (options_table_find(args->argv[0], &table, &oe) != 0) {
123 		cmdq_error(cmdq, "ambiguous option: %s", args->argv[0]);
124 		return (CMD_RETURN_ERROR);
125 	}
126 	if (oe == NULL) {
127 		if (quiet)
128 		    return (CMD_RETURN_NORMAL);
129 		cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
130 		return (CMD_RETURN_ERROR);
131 	}
132 	if ((o = options_find1(oo, oe->name)) == NULL)
133 		return (CMD_RETURN_NORMAL);
134 	optval = options_table_print_entry(oe, o, args_has(self->args, 'v'));
135 	if (args_has(self->args, 'v'))
136 		cmdq_print(cmdq, "%s", optval);
137 	else
138 		cmdq_print(cmdq, "%s %s", oe->name, optval);
139 	return (CMD_RETURN_NORMAL);
140 }
141 
142 enum cmd_retval
cmd_show_options_all(struct cmd * self,struct cmd_q * cmdq,const struct options_table_entry * table,struct options * oo)143 cmd_show_options_all(struct cmd *self, struct cmd_q *cmdq,
144     const struct options_table_entry *table, struct options *oo)
145 {
146 	const struct options_table_entry	*oe;
147 	struct options_entry			*o;
148 	const char				*optval;
149 
150 	RB_FOREACH(o, options_tree, &oo->tree) {
151 		if (*o->name == '@') {
152 			if (args_has(self->args, 'v'))
153 				cmdq_print(cmdq, "%s", o->str);
154 			else
155 				cmdq_print(cmdq, "%s \"%s\"", o->name, o->str);
156 		}
157 	}
158 
159 	for (oe = table; oe->name != NULL; oe++) {
160 		if ((o = options_find1(oo, oe->name)) == NULL)
161 			continue;
162 		optval = options_table_print_entry(oe, o,
163 		    args_has(self->args, 'v'));
164 		if (args_has(self->args, 'v'))
165 			cmdq_print(cmdq, "%s", optval);
166 		else
167 			cmdq_print(cmdq, "%s %s", oe->name, optval);
168 	}
169 
170 	return (CMD_RETURN_NORMAL);
171 }
172