2 * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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.
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.
22 #include "phos/phos.h"
26 #define MIN(a, b) ((a) < (b) ? (a) : (b))
27 #define MAX(a, b) ((a) > (b) ? (a) : (b))
29 #define GEMINI_URL_LEN 1024
32 /* ui <-> client/fs */
33 IMSG_GET, /* data is URL, peerid the tab id */
79 TAILQ_ENTRY(line) lines;
83 const struct line *parent;
86 TAILQ_ENTRY(vline) vlines;
92 typedef int (*parsechunkfn)(struct parser*, const char*, size_t);
93 typedef int (*parserfreefn)(struct parser*);
95 typedef void (imsg_handlerfn)(struct imsg*, size_t);
107 TAILQ_HEAD(, line) head;
111 * differnt types of trust for a certificate. Following
112 * gemini://thfr.info/gemini/modified-trust-verify.gmi
122 char domain[GEMINI_URL_LEN];
125 * enough space for ``PROTO:HASH''. probably isn't a good
133 TAILQ_HEAD(mhisthead, hist) head;
138 TAILQ_ENTRY(hist) entries;
147 struct vline *current_line;
149 TAILQ_HEAD(vhead, vline) head;
152 extern TAILQ_HEAD(tabshead, tab) tabshead;
154 TAILQ_ENTRY(tab) tabs;
159 enum trust_state trust;
161 struct histhead hist;
162 struct hist *hist_cur;
166 char meta[GEMINI_URL_LEN];
169 struct buffer buffer;
172 short loading_anim_step;
173 struct event loadingev;
184 * should load the given url in the tab. Optionally, it may
185 * consider the given url as relative to the one already
186 * present in tab. It must set tab->urlstr to a serialized
187 * human-friendly URL.
189 void (*loadfn)(struct tab*, const char*);
193 TAILQ_HEAD(map, keymap) m;
194 void (*unhandled_input)(void);
201 void (*fn)(struct buffer*);
203 TAILQ_ENTRY(keymap) keymaps;
208 int fs_main(struct imsgbuf*);
209 int load_certs(struct ohash*);
210 int load_last_session(void(*)(const char*));
213 int client_main(struct imsgbuf*);
216 void gemtext_initparser(struct parser*);
219 void hist_clear_forward(struct histhead*, struct hist*);
220 void hist_push(struct histhead*, struct hist*);
223 int kbd(const char*);
224 const char *unkbd(int);
225 int kmap_define_key(struct kmap*, const char*, void(*)(struct buffer*));
228 int setup_parser_for(struct tab*);
231 extern const char *about_new;
233 #define CANNOT_FETCH 0
234 #define TOO_MUCH_REDIRECTS 1
235 #define MALFORMED_RESPONSE 2
236 #define UNKNOWN_TYPE_OR_CSET 3
237 extern const char *err_pages[70];
240 int parser_append(struct parser*, const char*, size_t);
241 int parser_set_buf(struct parser*, const char*, size_t);
242 int parser_foreach_line(struct parser*, const char*, size_t, parsechunkfn);
245 void sandbox_network_process(void);
246 void sandbox_ui_process(void);
247 void sandbox_fs_process(void);
250 void load_about_url(struct tab*, const char*);
251 void load_gemini_url(struct tab*, const char*);
252 void load_url(struct tab*, const char*);
253 int load_previous_page(struct tab*);
254 int load_next_page(struct tab*);
255 void stop_tab(struct tab*);
256 void add_to_bookmarks(const char*);
257 void save_session(void);
260 void textplain_initparser(struct parser*);
263 void tofu_init(struct ohash*, unsigned int, ptrdiff_t);
264 struct tofu_entry *tofu_lookup(struct ohash*, const char*, const char*);
265 void tofu_add(struct ohash*, struct tofu_entry*);
266 void tofu_update(struct ohash*, struct tofu_entry*);
269 unsigned int tab_new_id(void);
270 int ui_init(int, char * const*);
271 void ui_on_tab_loaded(struct tab*);
272 void ui_on_tab_refresh(struct tab*);
273 void ui_require_input(struct tab*, int);
274 void ui_read(const char*, void(*)(const char*, unsigned int), unsigned int);
275 void ui_yornp(const char*, void (*)(int, unsigned int), unsigned int);
276 void ui_notify(const char*, ...) __attribute__((format(printf, 1, 2)));
280 uint32_t utf8_decode(uint32_t*restrict, uint32_t*restrict, uint8_t);
281 size_t utf8_encode(uint32_t, char*);
282 char *utf8_nth(char*, size_t);
283 size_t utf8_cplen(char*);
284 size_t utf8_chwidth(uint32_t);
285 size_t utf8_snwidth(const char*, size_t);
286 size_t utf8_swidth(const char*);
287 size_t utf8_swidth_between(const char*, const char*);
288 char *utf8_next_cp(const char*);
289 char *utf8_prev_cp(const char*, const char*);
292 int mark_nonblock(int);
293 int has_prefix(const char*, const char*);
294 int unicode_isspace(uint32_t);
295 int unicode_isgraph(uint32_t);
296 void dispatch_imsg(struct imsgbuf*, imsg_handlerfn**, size_t);
299 void empty_linelist(struct buffer*);
300 void empty_vlist(struct buffer*);
301 int wrap_text(struct buffer*, const char*, struct line*, size_t);
302 int hardwrap_text(struct buffer*, struct line*, size_t);
304 #endif /* TELESCOPE_H */