Blob


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 */
17 #include "compat.h"
19 #include <stdlib.h>
21 #include "compl.h"
22 #include "telescope.h"
23 #include "session.h"
25 /*
26 * Provide completions for load-url (lu).
27 */
28 const char *
29 compl_lu(void **data, void **ret, const char **descr)
30 {
31 struct history_item **state = (struct history_item **)data;
33 /* first time: init the state */
34 if (*state == NULL)
35 *state = history.items;
37 if (*state == history.items + history.len)
38 return NULL;
40 return (*state)++->uri;
41 }
43 /*
44 * Provide completions for execute-extended-command (eecmd).
45 */
46 const char *
47 compl_eecmd(void **data, void **ret, const char **descr)
48 {
49 struct cmd **state = (struct cmd **)data;
51 /* first time: init the state */
52 if (*state == NULL)
53 *state = cmds;
55 if ((*state)->cmd == NULL)
56 return NULL;
58 *descr = (*state)->descr;
59 return (*state)++->cmd;
60 }
62 /*
63 * Provide completions for tab-select.
64 */
65 const char *
66 compl_ts(void **data, void **ret, const char **descr)
67 {
68 struct tab **tab = (struct tab **)data;
70 /* first time: init the state */
71 if (*tab == NULL)
72 *tab = TAILQ_FIRST(&tabshead);
73 else if ((*tab = TAILQ_NEXT(*tab, tabs)) == NULL)
74 return NULL;
76 *ret = *tab;
78 if (*(*tab)->buffer.page.title == '\0')
79 return (*tab)->hist_cur->h;
80 *descr = (*tab)->hist_cur->h;
81 return (*tab)->buffer.page.title;
82 }
84 /*
85 * Provide completions for link-select.
86 */
87 const char *
88 compl_ls(void **data, void **ret, const char **descr)
89 {
90 struct line **line = (struct line **)data;
91 struct line *l;
92 const char *link;
94 l = *line;
95 while (l != NULL && l->type != LINE_LINK)
96 l = TAILQ_NEXT(l, lines);
98 /* end of buffer */
99 if (l == NULL)
100 return NULL;
102 if ((link = l->line) == NULL) {
103 link = l->alt;
104 *descr = NULL;
105 } else
106 *descr = l->alt;
108 *ret = l;
109 *line = TAILQ_NEXT(l, lines);
110 return link;
113 /*
114 * Provide completions for swiper.
115 */
116 const char *
117 compl_swiper(void **data, void **ret, const char **descr)
119 struct line **line = (struct line **)data;
120 const char *text;
122 while (*line != NULL && (*line)->line == NULL)
123 *line = TAILQ_NEXT(*line, lines);
125 if (*line == NULL)
126 return NULL;
128 text = (*line)->line;
129 *ret = *line;
130 *line = TAILQ_NEXT(*line, lines);
131 return text;
134 /*
135 * Provide completions for toc
136 */
137 const char *
138 compl_toc(void **data, void **ret, const char **descr)
140 struct line **line = (struct line **)data;
141 struct line *l;
142 const char *text;
144 l = *line;
145 while (l != NULL && (l->line == NULL ||
146 (l->type != LINE_TITLE_1 &&
147 l->type != LINE_TITLE_2 &&
148 l->type != LINE_TITLE_3)))
149 l = TAILQ_NEXT(l, lines);
151 /* end of buffer */
152 if (l == NULL)
153 return NULL;
155 text = l->line;
156 *ret = l;
157 *line = TAILQ_NEXT(l, lines);
158 return text;