1 b1e1e41a 2021-07-14 op /*
  2 b1e1e41a 2021-07-14 op  * Copyright (c) 2021 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 b1e1e41a 2021-07-14 op #include <stdlib.h>
 18 b1e1e41a 2021-07-14 op 
 19 b1e1e41a 2021-07-14 op #include "compl.h"
 20 b1e1e41a 2021-07-14 op #include "telescope.h"
 21 b1e1e41a 2021-07-14 op 
 22 a6717110 2021-07-14 op /*
 23 a6717110 2021-07-14 op  * Provide completions for execute-extended-command (eecmd).
 24 a6717110 2021-07-14 op  */
 25 b1e1e41a 2021-07-14 op const char *
 26 65601367 2021-07-14 op compl_eecmd(void **data, void **ret)
 27 b1e1e41a 2021-07-14 op {
 28 b1e1e41a 2021-07-14 op 	struct cmd	**state = (struct cmd **)data;
 29 b1e1e41a 2021-07-14 op 
 30 b1e1e41a 2021-07-14 op 	/* first time: init the state */
 31 b1e1e41a 2021-07-14 op 	if (*state == NULL)
 32 b1e1e41a 2021-07-14 op 		*state = cmds;
 33 b1e1e41a 2021-07-14 op 
 34 b1e1e41a 2021-07-14 op 	if ((*state)->cmd == NULL)
 35 b1e1e41a 2021-07-14 op 		return NULL;
 36 b1e1e41a 2021-07-14 op 
 37 af48e20e 2021-07-14 op 	return (*state)++->cmd;
 38 b1e1e41a 2021-07-14 op }
 39 65601367 2021-07-14 op 
 40 a6717110 2021-07-14 op /*
 41 a6717110 2021-07-14 op  * Provide completions for tab-select.
 42 a6717110 2021-07-14 op  */
 43 65601367 2021-07-14 op const char *
 44 65601367 2021-07-14 op compl_ts(void **data, void **ret)
 45 65601367 2021-07-14 op {
 46 65601367 2021-07-14 op 	struct tab	**tab = (struct tab **)data;
 47 65601367 2021-07-14 op 
 48 65601367 2021-07-14 op 	/* first time: init the state */
 49 65601367 2021-07-14 op 	if (*tab == NULL)
 50 65601367 2021-07-14 op 		*tab = TAILQ_FIRST(&tabshead);
 51 65601367 2021-07-14 op 	else if ((*tab = TAILQ_NEXT(*tab, tabs)) == NULL)
 52 65601367 2021-07-14 op 		return NULL;
 53 65601367 2021-07-14 op 
 54 65601367 2021-07-14 op 	*ret = *tab;
 55 65601367 2021-07-14 op 
 56 65601367 2021-07-14 op 	if (*(*tab)->buffer.page.title == '\0')
 57 65601367 2021-07-14 op 		return (*tab)->hist_cur->h;
 58 65601367 2021-07-14 op 	return (*tab)->buffer.page.title;
 59 65601367 2021-07-14 op }
 60 753c6ac7 2021-07-14 op 
 61 753c6ac7 2021-07-14 op /*
 62 753c6ac7 2021-07-14 op  * Provide completions for link-select.
 63 753c6ac7 2021-07-14 op  */
 64 753c6ac7 2021-07-14 op const char *
 65 753c6ac7 2021-07-14 op compl_ls(void **data, void **ret)
 66 753c6ac7 2021-07-14 op {
 67 753c6ac7 2021-07-14 op 	struct line	**line = (struct line **)data;
 68 753c6ac7 2021-07-14 op 	struct line	*l;
 69 753c6ac7 2021-07-14 op 	const char	*link;
 70 753c6ac7 2021-07-14 op 
 71 753c6ac7 2021-07-14 op 	l = *line;
 72 753c6ac7 2021-07-14 op 	while (l != NULL && l->type != LINE_LINK)
 73 753c6ac7 2021-07-14 op 		l = TAILQ_NEXT(l, lines);
 74 753c6ac7 2021-07-14 op 
 75 753c6ac7 2021-07-14 op 	/* end of buffer */
 76 753c6ac7 2021-07-14 op 	if (l == NULL)
 77 753c6ac7 2021-07-14 op 		return NULL;
 78 753c6ac7 2021-07-14 op 
 79 f29fe8ca 2021-07-16 op 	if ((link = l->line) == NULL)
 80 f29fe8ca 2021-07-16 op 		link = l->alt;
 81 f29fe8ca 2021-07-16 op 
 82 753c6ac7 2021-07-14 op 	*ret = l;
 83 753c6ac7 2021-07-14 op 	*line = TAILQ_NEXT(l, lines);
 84 753c6ac7 2021-07-14 op 	return link;
 85 753c6ac7 2021-07-14 op }
 86 753c6ac7 2021-07-14 op 
 87 753c6ac7 2021-07-14 op /*
 88 c7453a38 2021-07-15 op  * Provide completions for swiper.
 89 753c6ac7 2021-07-14 op  */
 90 753c6ac7 2021-07-14 op const char *
 91 753c6ac7 2021-07-14 op compl_swiper(void **data, void **ret)
 92 753c6ac7 2021-07-14 op {
 93 753c6ac7 2021-07-14 op 	struct line	**line = (struct line **)data;
 94 753c6ac7 2021-07-14 op 	const char	*text;
 95 753c6ac7 2021-07-14 op 
 96 753c6ac7 2021-07-14 op 	while (*line != NULL && (*line)->line == NULL)
 97 753c6ac7 2021-07-14 op 		*line = TAILQ_NEXT(*line, lines);
 98 753c6ac7 2021-07-14 op 
 99 753c6ac7 2021-07-14 op 	if (*line == NULL)
100 753c6ac7 2021-07-14 op 		return NULL;
101 753c6ac7 2021-07-14 op 
102 753c6ac7 2021-07-14 op 	text = (*line)->line;
103 753c6ac7 2021-07-14 op 	*ret = *line;
104 753c6ac7 2021-07-14 op 	*line = TAILQ_NEXT(*line, lines);
105 753c6ac7 2021-07-14 op 	return text;
106 753c6ac7 2021-07-14 op }
107 edd9a650 2021-07-15 op 
108 edd9a650 2021-07-15 op /*
109 edd9a650 2021-07-15 op  * Provide completions for toc
110 edd9a650 2021-07-15 op  */
111 edd9a650 2021-07-15 op const char *
112 edd9a650 2021-07-15 op compl_toc(void **data, void **ret)
113 edd9a650 2021-07-15 op {
114 edd9a650 2021-07-15 op 	struct line	**line = (struct line **)data;
115 edd9a650 2021-07-15 op 	struct line	*l;
116 edd9a650 2021-07-15 op 	const char	*text;
117 edd9a650 2021-07-15 op 
118 edd9a650 2021-07-15 op 	l = *line;
119 f29fe8ca 2021-07-16 op 	while (l != NULL && (l->line == NULL ||
120 f29fe8ca 2021-07-16 op 	    (l->type != LINE_TITLE_1 &&
121 edd9a650 2021-07-15 op 	    l->type != LINE_TITLE_2 &&
122 f29fe8ca 2021-07-16 op 	    l->type != LINE_TITLE_3)))
123 edd9a650 2021-07-15 op 		l = TAILQ_NEXT(l, lines);
124 edd9a650 2021-07-15 op 
125 edd9a650 2021-07-15 op 	/* end of buffer */
126 edd9a650 2021-07-15 op 	if (l == NULL)
127 edd9a650 2021-07-15 op 		return NULL;
128 edd9a650 2021-07-15 op 
129 edd9a650 2021-07-15 op 	text = l->line;
130 edd9a650 2021-07-15 op 	*ret = l;
131 edd9a650 2021-07-15 op 	*line = TAILQ_NEXT(l, lines);
132 edd9a650 2021-07-15 op 	return text;
133 edd9a650 2021-07-15 op }