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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 #ifndef TELESCOPE_H
18 #define TELESCOPE_H
20 #include <config.h>
21 #include <url.h>
23 /* TODO: move in config.h */
24 #include <sys/queue.h>
25 #include <sys/types.h>
26 #include <sys/uio.h>
27 #include <stdint.h>
28 #include <imsg.h>
30 #define GEMINI_URL_LEN 1024
32 enum imsg_type {
33 IMSG_GET, /* data is URL, peerid the tab id */
34 IMSG_ERR,
35 IMSG_CHECK_CERT,
36 IMSG_CERT_STATUS,
37 IMSG_GOT_CODE,
38 IMSG_GOT_META,
39 IMSG_BUF,
40 IMSG_EOF,
41 IMSG_STOP,
42 IMSG_QUIT,
43 };
45 enum line_type {
46 LINE_TEXT,
47 LINE_LINK,
48 LINE_TITLE_1,
49 LINE_TITLE_2,
50 LINE_TITLE_3,
51 LINE_ITEM,
52 LINE_QUOTE,
53 LINE_PRE_START,
54 LINE_PRE_CONTENT,
55 LINE_PRE_END,
56 };
58 struct line {
59 enum line_type type;
60 char *line;
61 char *alt;
62 TAILQ_ENTRY(line) lines;
63 };
65 struct parser;
66 struct page;
68 /* typedef void (*initparserfn)(struct parser*); */
70 typedef int (*parsechunkfn)(struct parser*, const char*, size_t);
71 typedef void (*parserfreefn)(struct parser*);
73 typedef void (imsg_handlerfn)(struct imsg*, size_t);
75 struct parser {
76 char *buf;
77 size_t len;
78 size_t cap;
79 int flags;
80 parsechunkfn parse;
81 parserfreefn free;
83 TAILQ_HEAD(, line) head;
84 };
86 extern TAILQ_HEAD(tabshead, tab) tabshead;
87 struct tab {
88 struct parser page;
89 TAILQ_ENTRY(tab) tabs;
90 uint32_t id;
91 uint32_t flags;
92 };
94 extern struct event imsgev;
96 /* about.c */
97 extern const char *about_new;
99 /* gemini.c */
100 int client_main(struct imsgbuf *b);
102 /* gemtext.c */
103 void gemtext_initparser(struct parser*);
105 /* ui.c */
106 int ui_init(void);
107 void ui_on_new_tab(struct tab*);
108 void ui_on_tab_refresh(struct tab*);
109 void ui_end(void);
111 /* util.c */
112 int mark_nonblock(int);
113 char *telescope_strnchr(char*, char, size_t);
115 #endif /* TELESCOPE_H */