1 b1e1e41a 2021-07-14 op /*
  2 5a39f593 2024-02-05 op  * Copyright (c) 2021, 2024 Omar Polo <op@omarpolo.com>
  3 b1e1e41a 2021-07-14 op  *
  4 b1e1e41a 2021-07-14 op  * Permission to use, copy, modify, and distribute this software for any
  5 b1e1e41a 2021-07-14 op  * purpose with or without fee is hereby granted, provided that the above
  6 b1e1e41a 2021-07-14 op  * copyright notice and this permission notice appear in all copies.
  7 b1e1e41a 2021-07-14 op  *
  8 b1e1e41a 2021-07-14 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 b1e1e41a 2021-07-14 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 b1e1e41a 2021-07-14 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 b1e1e41a 2021-07-14 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 b1e1e41a 2021-07-14 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 b1e1e41a 2021-07-14 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 b1e1e41a 2021-07-14 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 b1e1e41a 2021-07-14 op  */
 16 b1e1e41a 2021-07-14 op 
 17 786e6deb 2021-07-21 op #include "compat.h"
 18 786e6deb 2021-07-21 op 
 19 b1e1e41a 2021-07-14 op #include <stdlib.h>
 20 b1e1e41a 2021-07-14 op 
 21 5a39f593 2024-02-05 op #include "certs.h"
 22 cbe2da32 2024-02-06 op #include "cmd.h"
 23 b1e1e41a 2021-07-14 op #include "compl.h"
 24 65c49665 2024-01-23 op #include "hist.h"
 25 b1e1e41a 2021-07-14 op #include "telescope.h"
 26 43f29a9e 2022-02-26 op #include "session.h"
 27 b1e1e41a 2021-07-14 op 
 28 a6717110 2021-07-14 op /*
 29 43f29a9e 2022-02-26 op  * Provide completions for load-url (lu).
 30 43f29a9e 2022-02-26 op  */
 31 43f29a9e 2022-02-26 op const char *
 32 43f29a9e 2022-02-26 op compl_lu(void **data, void **ret, const char **descr)
 33 43f29a9e 2022-02-26 op {
 34 43f29a9e 2022-02-26 op 	struct history_item **state = (struct history_item **)data;
 35 43f29a9e 2022-02-26 op 
 36 43f29a9e 2022-02-26 op 	/* first time: init the state */
 37 43f29a9e 2022-02-26 op 	if (*state == NULL)
 38 43f29a9e 2022-02-26 op 		*state = history.items;
 39 43f29a9e 2022-02-26 op 
 40 43f29a9e 2022-02-26 op 	if (*state == history.items + history.len)
 41 43f29a9e 2022-02-26 op 		return NULL;
 42 43f29a9e 2022-02-26 op 
 43 43f29a9e 2022-02-26 op 	return (*state)++->uri;
 44 43f29a9e 2022-02-26 op }
 45 43f29a9e 2022-02-26 op 
 46 43f29a9e 2022-02-26 op /*
 47 a6717110 2021-07-14 op  * Provide completions for execute-extended-command (eecmd).
 48 a6717110 2021-07-14 op  */
 49 b1e1e41a 2021-07-14 op const char *
 50 b3be07ea 2021-07-18 op compl_eecmd(void **data, void **ret, const char **descr)
 51 b1e1e41a 2021-07-14 op {
 52 b1e1e41a 2021-07-14 op 	struct cmd	**state = (struct cmd **)data;
 53 b1e1e41a 2021-07-14 op 
 54 b1e1e41a 2021-07-14 op 	/* first time: init the state */
 55 b1e1e41a 2021-07-14 op 	if (*state == NULL)
 56 b1e1e41a 2021-07-14 op 		*state = cmds;
 57 b1e1e41a 2021-07-14 op 
 58 b1e1e41a 2021-07-14 op 	if ((*state)->cmd == NULL)
 59 b1e1e41a 2021-07-14 op 		return NULL;
 60 b1e1e41a 2021-07-14 op 
 61 b3be07ea 2021-07-18 op 	*descr = (*state)->descr;
 62 af48e20e 2021-07-14 op 	return (*state)++->cmd;
 63 b1e1e41a 2021-07-14 op }
 64 65601367 2021-07-14 op 
 65 a6717110 2021-07-14 op /*
 66 a6717110 2021-07-14 op  * Provide completions for tab-select.
 67 a6717110 2021-07-14 op  */
 68 65601367 2021-07-14 op const char *
 69 b3be07ea 2021-07-18 op compl_ts(void **data, void **ret, const char **descr)
 70 65601367 2021-07-14 op {
 71 65601367 2021-07-14 op 	struct tab	**tab = (struct tab **)data;
 72 65601367 2021-07-14 op 
 73 65601367 2021-07-14 op 	/* first time: init the state */
 74 65601367 2021-07-14 op 	if (*tab == NULL)
 75 65601367 2021-07-14 op 		*tab = TAILQ_FIRST(&tabshead);
 76 65601367 2021-07-14 op 	else if ((*tab = TAILQ_NEXT(*tab, tabs)) == NULL)
 77 65601367 2021-07-14 op 		return NULL;
 78 65601367 2021-07-14 op 
 79 65601367 2021-07-14 op 	*ret = *tab;
 80 65601367 2021-07-14 op 
 81 65601367 2021-07-14 op 	if (*(*tab)->buffer.page.title == '\0')
 82 65c49665 2024-01-23 op 		return hist_cur((*tab)->hist);
 83 65c49665 2024-01-23 op 	*descr = hist_cur((*tab)->hist);
 84 65601367 2021-07-14 op 	return (*tab)->buffer.page.title;
 85 65601367 2021-07-14 op }
 86 753c6ac7 2021-07-14 op 
 87 753c6ac7 2021-07-14 op /*
 88 753c6ac7 2021-07-14 op  * Provide completions for link-select.
 89 753c6ac7 2021-07-14 op  */
 90 753c6ac7 2021-07-14 op const char *
 91 b3be07ea 2021-07-18 op compl_ls(void **data, void **ret, const char **descr)
 92 753c6ac7 2021-07-14 op {
 93 753c6ac7 2021-07-14 op 	struct line	**line = (struct line **)data;
 94 753c6ac7 2021-07-14 op 	struct line	*l;
 95 753c6ac7 2021-07-14 op 	const char	*link;
 96 753c6ac7 2021-07-14 op 
 97 753c6ac7 2021-07-14 op 	l = *line;
 98 753c6ac7 2021-07-14 op 	while (l != NULL && l->type != LINE_LINK)
 99 753c6ac7 2021-07-14 op 		l = TAILQ_NEXT(l, lines);
100 753c6ac7 2021-07-14 op 
101 753c6ac7 2021-07-14 op 	/* end of buffer */
102 753c6ac7 2021-07-14 op 	if (l == NULL)
103 753c6ac7 2021-07-14 op 		return NULL;
104 753c6ac7 2021-07-14 op 
105 b3be07ea 2021-07-18 op 	if ((link = l->line) == NULL) {
106 f29fe8ca 2021-07-16 op 		link = l->alt;
107 b3be07ea 2021-07-18 op 		*descr = NULL;
108 b3be07ea 2021-07-18 op 	} else
109 b3be07ea 2021-07-18 op 		*descr = l->alt;
110 f29fe8ca 2021-07-16 op 
111 753c6ac7 2021-07-14 op 	*ret = l;
112 753c6ac7 2021-07-14 op 	*line = TAILQ_NEXT(l, lines);
113 753c6ac7 2021-07-14 op 	return link;
114 753c6ac7 2021-07-14 op }
115 753c6ac7 2021-07-14 op 
116 753c6ac7 2021-07-14 op /*
117 c7453a38 2021-07-15 op  * Provide completions for swiper.
118 753c6ac7 2021-07-14 op  */
119 753c6ac7 2021-07-14 op const char *
120 b3be07ea 2021-07-18 op compl_swiper(void **data, void **ret, const char **descr)
121 753c6ac7 2021-07-14 op {
122 753c6ac7 2021-07-14 op 	struct line	**line = (struct line **)data;
123 753c6ac7 2021-07-14 op 	const char	*text;
124 753c6ac7 2021-07-14 op 
125 753c6ac7 2021-07-14 op 	while (*line != NULL && (*line)->line == NULL)
126 753c6ac7 2021-07-14 op 		*line = TAILQ_NEXT(*line, lines);
127 753c6ac7 2021-07-14 op 
128 753c6ac7 2021-07-14 op 	if (*line == NULL)
129 753c6ac7 2021-07-14 op 		return NULL;
130 753c6ac7 2021-07-14 op 
131 753c6ac7 2021-07-14 op 	text = (*line)->line;
132 753c6ac7 2021-07-14 op 	*ret = *line;
133 753c6ac7 2021-07-14 op 	*line = TAILQ_NEXT(*line, lines);
134 753c6ac7 2021-07-14 op 	return text;
135 753c6ac7 2021-07-14 op }
136 edd9a650 2021-07-15 op 
137 edd9a650 2021-07-15 op /*
138 edd9a650 2021-07-15 op  * Provide completions for toc
139 edd9a650 2021-07-15 op  */
140 edd9a650 2021-07-15 op const char *
141 b3be07ea 2021-07-18 op compl_toc(void **data, void **ret, const char **descr)
142 edd9a650 2021-07-15 op {
143 edd9a650 2021-07-15 op 	struct line	**line = (struct line **)data;
144 edd9a650 2021-07-15 op 	struct line	*l;
145 edd9a650 2021-07-15 op 	const char	*text;
146 edd9a650 2021-07-15 op 
147 edd9a650 2021-07-15 op 	l = *line;
148 f29fe8ca 2021-07-16 op 	while (l != NULL && (l->line == NULL ||
149 f29fe8ca 2021-07-16 op 	    (l->type != LINE_TITLE_1 &&
150 edd9a650 2021-07-15 op 	    l->type != LINE_TITLE_2 &&
151 f29fe8ca 2021-07-16 op 	    l->type != LINE_TITLE_3)))
152 edd9a650 2021-07-15 op 		l = TAILQ_NEXT(l, lines);
153 edd9a650 2021-07-15 op 
154 edd9a650 2021-07-15 op 	/* end of buffer */
155 edd9a650 2021-07-15 op 	if (l == NULL)
156 edd9a650 2021-07-15 op 		return NULL;
157 edd9a650 2021-07-15 op 
158 edd9a650 2021-07-15 op 	text = l->line;
159 edd9a650 2021-07-15 op 	*ret = l;
160 edd9a650 2021-07-15 op 	*line = TAILQ_NEXT(l, lines);
161 edd9a650 2021-07-15 op 	return text;
162 edd9a650 2021-07-15 op }
163 5a39f593 2024-02-05 op 
164 5a39f593 2024-02-05 op /*
165 5a39f593 2024-02-05 op  * Provide completions for use-certificate
166 5a39f593 2024-02-05 op  */
167 5a39f593 2024-02-05 op const char *
168 5a39f593 2024-02-05 op compl_uc(void **data, void **ret, const char **descr)
169 5a39f593 2024-02-05 op {
170 5a39f593 2024-02-05 op 	const char	***state = (const char ***)data;
171 5a39f593 2024-02-05 op 
172 5a39f593 2024-02-05 op 	/* first time: init the state */
173 5a39f593 2024-02-05 op 	if (*state == NULL)
174 5a39f593 2024-02-05 op 		*state = (const char **)identities;
175 5a39f593 2024-02-05 op 
176 5a39f593 2024-02-05 op 	if (**state == NULL)
177 5a39f593 2024-02-05 op 		return NULL;
178 5a39f593 2024-02-05 op 
179 5a39f593 2024-02-05 op 	/* XXX filling descr too would be nice */
180 5a39f593 2024-02-05 op 	return *((*state)++);
181 5a39f593 2024-02-05 op }