1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <stdlib.h>
18 
19 #include "compl.h"
20 #include "telescope.h"
21 
22 /*
23  * Provide completions for execute-extended-command (eecmd).
24  */
25 const char *
26 compl_eecmd(void **data, void **ret)
27 {
28 	struct cmd	**state = (struct cmd **)data;
29 
30 	/* first time: init the state */
31 	if (*state == NULL)
32 		*state = cmds;
33 
34 	if ((*state)->cmd == NULL)
35 		return NULL;
36 
37 	return (*state)++->cmd;
38 }
39 
40 /*
41  * Provide completions for tab-select.
42  */
43 const char *
44 compl_ts(void **data, void **ret)
45 {
46 	struct tab	**tab = (struct tab **)data;
47 
48 	/* first time: init the state */
49 	if (*tab == NULL)
50 		*tab = TAILQ_FIRST(&tabshead);
51 	else if ((*tab = TAILQ_NEXT(*tab, tabs)) == NULL)
52 		return NULL;
53 
54 	*ret = *tab;
55 
56 	if (*(*tab)->buffer.page.title == '\0')
57 		return (*tab)->hist_cur->h;
58 	return (*tab)->buffer.page.title;
59 }