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d76ed9a9 AS |
1 | /* helpfile.c - Help file loading and display |
2 | * Copyright 2000-2004 srvx Development Team | |
3 | * | |
83ff05c3 | 4 | * This file is part of x3. |
d76ed9a9 | 5 | * |
d0f04f71 | 6 | * x3 is free software; you can redistribute it and/or modify |
d76ed9a9 | 7 | * it under the terms of the GNU General Public License as published by |
348683aa | 8 | * the Free Software Foundation; either version 3 of the License, or |
d76ed9a9 AS |
9 | * (at your option) any later version. |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | #include "conf.h" | |
22 | #include "helpfile.h" | |
23 | #include "log.h" | |
24 | #include "modcmd.h" | |
25 | #include "nickserv.h" | |
63c95a47 | 26 | #include "spamserv.h" |
d76ed9a9 AS |
27 | |
28 | #if defined(HAVE_DIRENT_H) | |
29 | #include <dirent.h> | |
30 | #endif | |
31 | ||
32 | #if defined(HAVE_SYS_STAT_H) | |
33 | #include <sys/stat.h> | |
34 | #endif | |
35 | ||
36 | static const struct message_entry msgtab[] = { | |
37 | { "HFMSG_MISSING_HELPFILE", "The help file could not be found. Sorry!" }, | |
38 | { "HFMSG_HELP_NOT_STRING", "Help file error (help data was not a string)." }, | |
39 | { NULL, NULL } | |
40 | }; | |
41 | ||
42 | #define DEFAULT_LINE_SIZE MAX_LINE_SIZE | |
43 | #define DEFAULT_TABLE_SIZE 80 | |
44 | ||
63c95a47 | 45 | extern struct userNode *global, *chanserv, *opserv, *nickserv, *spamserv; |
d76ed9a9 AS |
46 | struct userNode *message_dest; |
47 | struct userNode *message_source; | |
48 | struct language *lang_C; | |
49 | struct dict *languages; | |
50 | ||
30874d66 | 51 | static void language_cleanup(UNUSED_ARG(void *extra)) |
d76ed9a9 AS |
52 | { |
53 | dict_delete(languages); | |
54 | } | |
55 | ||
56 | static void language_free_helpfile(void *data) | |
57 | { | |
58 | struct helpfile *hf = data; | |
59 | close_helpfile(hf); | |
60 | } | |
61 | ||
62 | static void language_free(void *data) | |
63 | { | |
64 | struct language *lang = data; | |
65 | dict_delete(lang->messages); | |
66 | dict_delete(lang->helpfiles); | |
67 | free(lang->name); | |
68 | free(lang); | |
69 | } | |
70 | ||
71 | static struct language *language_alloc(const char *name) | |
72 | { | |
73 | struct language *lang = calloc(1, sizeof(*lang)); | |
74 | lang->name = strdup(name); | |
75 | lang->parent = lang_C; | |
76 | if (!languages) { | |
77 | languages = dict_new(); | |
78 | dict_set_free_data(languages, language_free); | |
79 | } | |
80 | dict_insert(languages, lang->name, lang); | |
81 | return lang; | |
82 | } | |
83 | ||
84 | /* Language names should use a lang or lang_COUNTRY type system, where | |
85 | * lang is a two-letter code according to ISO-639-1 (or three-letter | |
86 | * code according to ISO-639-2 for languages not in ISO-639-1), and | |
87 | * COUNTRY is the ISO 3166 country code in all upper case. | |
88 | * | |
89 | * See also: | |
90 | * http://www.loc.gov/standards/iso639-2/ | |
91 | * http://www.loc.gov/standards/iso639-2/langhome.html | |
92 | * http://www.iso.ch/iso/en/prods-services/iso3166ma/index.html | |
93 | */ | |
94 | struct language *language_find(const char *name) | |
95 | { | |
96 | struct language *lang; | |
97 | char alt_name[MAXLEN]; | |
98 | const char *uscore; | |
99 | ||
100 | if ((lang = dict_find(languages, name, NULL))) | |
101 | return lang; | |
102 | if ((uscore = strchr(name, '_'))) { | |
103 | strncpy(alt_name, name, uscore-name); | |
104 | alt_name[uscore-name] = 0; | |
105 | if ((lang = dict_find(languages, alt_name, NULL))) | |
106 | return lang; | |
107 | } | |
108 | if (!lang_C) { | |
109 | lang_C = language_alloc("C"); | |
110 | lang_C->messages = dict_new(); | |
111 | lang_C->helpfiles = dict_new(); | |
112 | } | |
113 | return lang_C; | |
114 | } | |
115 | ||
116 | static void language_set_messages(struct language *lang, dict_t dict) | |
117 | { | |
118 | dict_iterator_t it, it2; | |
119 | struct record_data *rd; | |
120 | char *msg; | |
121 | int extra, missing; | |
122 | ||
123 | extra = missing = 0; | |
124 | for (it = dict_first(dict), it2 = dict_first(lang_C->messages); it; ) { | |
125 | const char *msgid = iter_key(it); | |
126 | int diff = it2 ? irccasecmp(msgid, iter_key(it2)) : -1; | |
127 | if (diff < 0) { | |
128 | extra++; | |
129 | it = iter_next(it); | |
130 | continue; | |
131 | } else if (diff > 0) { | |
132 | missing++; | |
133 | it2 = iter_next(it2); | |
134 | continue; | |
135 | } | |
136 | rd = iter_data(it); | |
137 | switch (rd->type) { | |
138 | case RECDB_QSTRING: | |
139 | msg = strdup(rd->d.qstring); | |
140 | break; | |
141 | case RECDB_STRING_LIST: | |
142 | /* XXX: maybe do an unlistify_help() type thing */ | |
143 | default: | |
144 | log_module(MAIN_LOG, LOG_WARNING, "Unsupported record type for message %s in language %s", msgid, lang->name); | |
145 | continue; | |
146 | } | |
147 | dict_insert(lang->messages, strdup(msgid), msg); | |
148 | it = iter_next(it); | |
149 | it2 = iter_next(it2); | |
150 | } | |
151 | while (it2) { | |
152 | missing++; | |
153 | it2 = iter_next(it2); | |
154 | } | |
155 | if (extra || missing) | |
156 | log_module(MAIN_LOG, LOG_WARNING, "In language %s, %d extra and %d missing messages.", lang->name, extra, missing); | |
157 | } | |
158 | ||
159 | static struct language *language_read(const char *name) | |
160 | { | |
161 | DIR *dir; | |
162 | struct dirent *dirent; | |
163 | struct language *lang; | |
164 | struct helpfile *hf; | |
165 | char filename[MAXLEN], *uscore; | |
166 | FILE *file; | |
167 | dict_t dict; | |
168 | ||
169 | /* Never try to read the C language from disk. */ | |
170 | if (!irccasecmp(name, "C")) | |
171 | return lang_C; | |
172 | ||
173 | /* Open the directory stream; if we can't, fail. */ | |
174 | snprintf(filename, sizeof(filename), "languages/%s", name); | |
2f61d1d7 | 175 | if (!(dir = opendir(filename))) { |
176 | log_module(MAIN_LOG, LOG_ERROR, "Unable to open language directory languages/%s: %s", name, strerror(errno)); | |
d76ed9a9 | 177 | return NULL; |
2f61d1d7 | 178 | } |
d76ed9a9 AS |
179 | if (!(lang = dict_find(languages, name, NULL))) |
180 | lang = language_alloc(name); | |
181 | ||
182 | /* Find the parent language. */ | |
183 | snprintf(filename, sizeof(filename), "languages/%s/parent", name); | |
184 | if (!(file = fopen(filename, "r")) | |
185 | || !fgets(filename, sizeof(filename), file)) { | |
186 | strcpy(filename, "C"); | |
187 | } | |
188 | if (!(lang->parent = language_find(filename))) { | |
189 | uscore = strchr(filename, '_'); | |
190 | if (uscore) { | |
191 | *uscore = 0; | |
192 | lang->parent = language_find(filename); | |
193 | } | |
194 | if (!lang->parent) | |
195 | lang->parent = lang_C; | |
196 | } | |
197 | ||
198 | /* (Re-)initialize the language's dicts. */ | |
199 | dict_delete(lang->messages); | |
200 | lang->messages = dict_new(); | |
201 | dict_set_free_keys(lang->messages, free); | |
202 | dict_set_free_data(lang->messages, free); | |
203 | lang->helpfiles = dict_new(); | |
204 | dict_set_free_data(lang->helpfiles, language_free_helpfile); | |
205 | ||
206 | /* Read all the translations from the directory. */ | |
207 | while ((dirent = readdir(dir))) { | |
208 | snprintf(filename, sizeof(filename), "languages/%s/%s", name, dirent->d_name); | |
1136f709 | 209 | if (!strcmp(dirent->d_name, "parent")) { |
d76ed9a9 AS |
210 | continue; |
211 | } else if (!strcmp(dirent->d_name, "strings.db")) { | |
212 | dict = parse_database(filename); | |
213 | language_set_messages(lang, dict); | |
214 | free_database(dict); | |
215 | } else if ((hf = dict_find(lang_C->helpfiles, dirent->d_name, NULL))) { | |
216 | hf = open_helpfile(filename, hf->expand); | |
217 | dict_insert(lang->helpfiles, hf->name, hf); | |
218 | } | |
219 | } | |
220 | ||
221 | /* All done. */ | |
222 | closedir(dir); | |
223 | return lang; | |
224 | } | |
225 | ||
226 | static void language_read_list(void) | |
227 | { | |
2f61d1d7 | 228 | struct stat sbuf; |
d76ed9a9 AS |
229 | struct dirent *dirent; |
230 | DIR *dir; | |
2f61d1d7 | 231 | char namebuf[MAXLEN]; |
d76ed9a9 AS |
232 | |
233 | if (!(dir = opendir("languages"))) | |
234 | return; | |
235 | while ((dirent = readdir(dir))) { | |
236 | if (dirent->d_name[0] == '.') | |
237 | continue; | |
2f61d1d7 | 238 | snprintf(namebuf, sizeof(namebuf), "languages/%s", dirent->d_name); |
1136f709 | 239 | if (!strcmp(dirent->d_name, "strings.db")) { |
240 | continue; | |
241 | } | |
2f61d1d7 | 242 | if (stat(namebuf, &sbuf) < 0) { |
243 | log_module(MAIN_LOG, LOG_INFO, "Skipping language entry '%s' (unable to stat).", dirent->d_name); | |
244 | continue; | |
245 | } | |
246 | if (!S_ISDIR(sbuf.st_mode)) { | |
247 | log_module(MAIN_LOG, LOG_INFO, "Skipping language entry '%s' (not directory).", dirent->d_name); | |
d76ed9a9 | 248 | continue; |
d76ed9a9 | 249 | } |
1136f709 | 250 | if (!dict_find(languages, dirent->d_name, NULL)) |
251 | language_alloc(dirent->d_name); | |
d76ed9a9 AS |
252 | } |
253 | closedir(dir); | |
254 | } | |
255 | ||
256 | const char *language_find_message(struct language *lang, const char *msgid) { | |
257 | struct language *curr; | |
258 | const char *msg; | |
259 | if (!lang) | |
260 | lang = lang_C; | |
261 | for (curr = lang; curr; curr = curr->parent) | |
262 | if ((msg = dict_find(curr->messages, msgid, NULL))) | |
263 | return msg; | |
264 | log_module(MAIN_LOG, LOG_ERROR, "Tried to find unregistered message \"%s\" (original language %s)", msgid, lang->name); | |
265 | return NULL; | |
266 | } | |
267 | ||
e6892204 AS |
268 | int strlen_vis(char *str) |
269 | { | |
270 | int count; | |
271 | for(count=0;*str;str++) | |
272 | if(!iscntrl(*str)) | |
273 | count++; | |
274 | return count; | |
275 | } | |
276 | ||
d76ed9a9 AS |
277 | void |
278 | table_send(struct userNode *from, const char *to, unsigned int size, irc_send_func irc_send, struct helpfile_table table) { | |
279 | unsigned int ii, jj, len, nreps, reps, tot_width, pos, spaces, *max_width; | |
280 | char line[MAX_LINE_SIZE+1]; | |
281 | struct handle_info *hi; | |
e6892204 | 282 | char *sepstr = NULL; |
a8370a20 | 283 | unsigned int sepsize = 0; |
d76ed9a9 AS |
284 | |
285 | if (IsChannelName(to) || *to == '$') { | |
286 | message_dest = NULL; | |
287 | hi = NULL; | |
288 | } else { | |
289 | message_dest = GetUserH(to); | |
290 | if (!message_dest) { | |
291 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find user with nickname %s (in table_send from %s).", to, from->nick); | |
292 | return; | |
293 | } | |
294 | hi = message_dest->handle_info; | |
295 | #ifdef WITH_PROTOCOL_P10 | |
296 | to = message_dest->numeric; | |
297 | #endif | |
298 | } | |
299 | message_source = from; | |
300 | ||
301 | /* If size or irc_send are 0, we should try to use a default. */ | |
302 | if (size) | |
303 | {} /* keep size */ | |
304 | else if (!hi) | |
305 | size = DEFAULT_TABLE_SIZE; | |
306 | else if (hi->table_width) | |
307 | size = hi->table_width; | |
308 | else if (hi->screen_width) | |
309 | size = hi->screen_width; | |
310 | else | |
311 | size = DEFAULT_TABLE_SIZE; | |
312 | ||
313 | if (irc_send) | |
314 | {} /* use that function */ | |
da5b7dfc AS |
315 | else if(IsChannelName(to)) { |
316 | irc_send = irc_privmsg; | |
317 | } | |
318 | else if (message_dest->no_notice) { | |
319 | irc_send = irc_privmsg; | |
320 | } | |
321 | else if (hi) { | |
d76ed9a9 | 322 | irc_send = HANDLE_FLAGGED(hi, USE_PRIVMSG) ? irc_privmsg : irc_notice; |
da5b7dfc AS |
323 | } |
324 | else { | |
325 | irc_send = irc_notice; | |
326 | } | |
d76ed9a9 AS |
327 | |
328 | /* Limit size to how much we can show at once */ | |
329 | if (size > sizeof(line)) | |
330 | size = sizeof(line); | |
331 | ||
332 | /* Figure out how wide columns should be */ | |
333 | max_width = alloca(table.width * sizeof(int)); | |
334 | for (jj=tot_width=0; jj<table.width; jj++) { | |
335 | /* Find the widest width for this column */ | |
336 | max_width[jj] = 0; | |
337 | for (ii=0; ii<table.length; ii++) { | |
338 | len = strlen(table.contents[ii][jj]); | |
339 | if (len > max_width[jj]) | |
340 | max_width[jj] = len; | |
341 | } | |
342 | /* Separate columns with spaces */ | |
343 | tot_width += max_width[jj] + 1; | |
344 | } | |
345 | /* How many rows to put in a line? */ | |
346 | if ((table.flags & TABLE_REPEAT_ROWS) && (size > tot_width)) | |
347 | nreps = size / tot_width; | |
348 | else | |
349 | nreps = 1; | |
350 | /* Send headers line.. */ | |
351 | if (table.flags & TABLE_NO_HEADERS) { | |
352 | ii = 0; | |
353 | } else { | |
354 | /* Sending headers needs special treatment: either show them | |
355 | * once, or repeat them as many times as we repeat the columns | |
356 | * in a row. */ | |
357 | for (pos=ii=0; ii<((table.flags & TABLE_REPEAT_HEADERS)?nreps:1); ii++) { | |
358 | for (jj=0; 1; ) { | |
359 | len = strlen(table.contents[0][jj]); | |
de9510bc | 360 | //line[pos++] = '\02'; /* bold header */ |
d76ed9a9 AS |
361 | spaces = max_width[jj] - len; |
362 | if (table.flags & TABLE_PAD_LEFT) | |
363 | while (spaces--) | |
364 | line[pos++] = ' '; | |
365 | memcpy(line+pos, table.contents[0][jj], len); | |
366 | pos += len; | |
de9510bc | 367 | //line[pos++] = '\02'; /* end bold header */ |
d76ed9a9 AS |
368 | if (++jj == table.width) |
369 | break; | |
370 | if (!(table.flags & TABLE_PAD_LEFT)) | |
371 | while (spaces--) | |
372 | line[pos++] = ' '; | |
373 | line[pos++] = ' '; | |
374 | } | |
e1443247 | 375 | line[pos++] = ' '; |
d76ed9a9 AS |
376 | } |
377 | line[pos] = 0; | |
a8370a20 AS |
378 | |
379 | /* Dont show ---- bars in 'clean' style. */ | |
380 | if(!(hi && hi->userlist_style == HI_STYLE_CLEAN)) { | |
381 | //sepsize = strlen_vis(line); | |
382 | sepsize = tot_width * nreps; | |
383 | sepstr = malloc(sepsize + 1); | |
384 | memset(sepstr, '-', sepsize); | |
385 | sepstr[sepsize] = 0; | |
338a82b5 | 386 | irc_send(from, to, sepstr); /* ----------------- */ |
a8370a20 AS |
387 | } |
388 | irc_send(from, to, line); /* alpha beta roe */ | |
389 | if(!(hi && hi->userlist_style == HI_STYLE_CLEAN)) | |
338a82b5 | 390 | irc_send(from, to, sepstr); /* ----------------- */ |
d76ed9a9 AS |
391 | ii = 1; |
392 | } | |
393 | /* Send the table. */ | |
394 | for (jj=0, pos=0, reps=0; ii<table.length; ) { | |
395 | while (1) { | |
c9bf23fe AS |
396 | int PAD_COL_LEFT = false; |
397 | if(table.flags & TABLE_PAD_LEFT || str_is_number(table.contents[ii][jj])) | |
398 | PAD_COL_LEFT = true; | |
d76ed9a9 AS |
399 | len = strlen(table.contents[ii][jj]); |
400 | spaces = max_width[jj] - len; | |
c9bf23fe AS |
401 | //if (table.flags & TABLE_PAD_LEFT) |
402 | if(PAD_COL_LEFT) | |
d76ed9a9 AS |
403 | while (spaces--) line[pos++] = ' '; |
404 | memcpy(line+pos, table.contents[ii][jj], len); | |
405 | pos += len; | |
406 | if (++jj == table.width) { | |
407 | jj = 0, ++ii, ++reps; | |
408 | if ((reps == nreps) || (ii == table.length)) { | |
409 | line[pos] = 0; | |
410 | irc_send(from, to, line); | |
411 | pos = reps = 0; | |
412 | break; | |
413 | } | |
414 | } | |
c9bf23fe AS |
415 | //if (!(table.flags & TABLE_PAD_LEFT)) |
416 | if(!PAD_COL_LEFT) | |
d76ed9a9 AS |
417 | while (spaces--) |
418 | line[pos++] = ' '; | |
419 | line[pos++] = ' '; | |
420 | } | |
421 | } | |
a8370a20 AS |
422 | /* Send end bar */ |
423 | if (!(table.flags & TABLE_NO_HEADERS) && | |
424 | !(table.flags & TABLE_NO_FOOTER) && | |
425 | !(hi && hi->userlist_style == HI_STYLE_CLEAN)) { | |
426 | char endstr[MAX_LINE_SIZE+1]; | |
18757dc0 | 427 | sprintf(endstr, "End (%d rows)", table.length-1); |
a8370a20 AS |
428 | |
429 | /* Copy above into the sepstr, centered */ | |
430 | if(sepsize > strlen(endstr)+2) | |
e6892204 | 431 | { |
a8370a20 AS |
432 | char* eptr = endstr; |
433 | char* sptr = sepstr+(sepsize/2) - (strlen(endstr)+2)/2; | |
434 | while(*eptr) | |
435 | *sptr++ = *eptr++; | |
e6892204 | 436 | } |
a8370a20 | 437 | irc_send(from, to, sepstr); |
e6892204 AS |
438 | } |
439 | ||
a8370a20 AS |
440 | if(!(hi && hi->userlist_style == HI_STYLE_CLEAN)) |
441 | free(sepstr); | |
442 | ||
d76ed9a9 AS |
443 | if (!(table.flags & TABLE_NO_FREE)) { |
444 | /* Deallocate table memory (but not the string memory). */ | |
445 | for (ii=0; ii<table.length; ii++) | |
446 | free(table.contents[ii]); | |
447 | free(table.contents); | |
448 | } | |
449 | } | |
450 | ||
451 | static int | |
452 | vsend_message(const char *dest, struct userNode *src, struct handle_info *handle, int msg_type, expand_func_t expand_f, const char *format, va_list al) | |
453 | { | |
454 | void (*irc_send)(struct userNode *from, const char *to, const char *msg); | |
455 | static struct string_buffer input; | |
456 | unsigned int size, ipos, pos, length, chars_sent, use_color; | |
bde4a337 | 457 | unsigned int expand_ipos, newline_ipos; |
d76ed9a9 | 458 | char line[MAX_LINE_SIZE]; |
7a278540 AS |
459 | struct service *service; |
460 | static char* trigger = NULL; | |
d76ed9a9 AS |
461 | |
462 | if (IsChannelName(dest) || *dest == '$') { | |
463 | message_dest = NULL; | |
464 | } else if (!(message_dest = GetUserH(dest))) { | |
465 | log_module(MAIN_LOG, LOG_ERROR, "Unable to find user with nickname %s (in vsend_message from %s).", dest, src->nick); | |
466 | return 0; | |
467 | } else if (message_dest->dead) { | |
468 | /* No point in sending to a user who is leaving. */ | |
469 | return 0; | |
470 | } else { | |
471 | #ifdef WITH_PROTOCOL_P10 | |
472 | dest = message_dest->numeric; | |
473 | #endif | |
474 | } | |
475 | message_source = src; | |
a32da4c7 | 476 | if (!(msg_type & MSG_TYPE_NOXLATE) |
477 | && !(format = handle_find_message(handle, format))) | |
d76ed9a9 AS |
478 | return 0; |
479 | /* fill in a buffer with the string */ | |
480 | input.used = 0; | |
481 | string_buffer_append_vprintf(&input, format, al); | |
482 | ||
483 | /* figure out how to send the messages */ | |
484 | if (handle) { | |
485 | msg_type |= (HANDLE_FLAGGED(handle, USE_PRIVMSG) ? 1 : 0); | |
486 | use_color = HANDLE_FLAGGED(handle, MIRC_COLOR); | |
487 | size = handle->screen_width; | |
488 | if (size > sizeof(line)) | |
489 | size = sizeof(line); | |
490 | } else { | |
491 | size = sizeof(line); | |
492 | use_color = 1; | |
493 | } | |
a32da4c7 | 494 | if (!size || !(msg_type & MSG_TYPE_MULTILINE)) |
d76ed9a9 AS |
495 | size = DEFAULT_LINE_SIZE; |
496 | switch (msg_type & 3) { | |
497 | case 0: | |
da5b7dfc AS |
498 | if(message_dest && message_dest->no_notice) |
499 | irc_send = irc_privmsg; | |
500 | else | |
501 | irc_send = irc_notice; | |
d76ed9a9 AS |
502 | break; |
503 | case 2: | |
504 | irc_send = irc_wallchops; | |
505 | break; | |
506 | case 1: | |
507 | default: | |
508 | irc_send = irc_privmsg; | |
509 | } | |
510 | ||
511 | /* This used to be two passes, but if you do that and allow | |
512 | * arbitrary sizes for ${}-expansions (as with help indexes), | |
513 | * that requires a very big intermediate buffer. | |
514 | */ | |
515 | expand_ipos = newline_ipos = ipos = 0; | |
bde4a337 | 516 | pos = 0; |
d76ed9a9 AS |
517 | chars_sent = 0; |
518 | while (input.list[ipos]) { | |
3da28d8e | 519 | char ch, *value = NULL, *free_value; |
d76ed9a9 AS |
520 | |
521 | while ((ch = input.list[ipos]) && (ch != '$') && (ch != '\n') && (pos < size)) { | |
522 | line[pos++] = ch; | |
523 | ipos++; | |
524 | } | |
525 | ||
526 | if (!input.list[ipos]) | |
527 | goto send_line; | |
528 | if (input.list[ipos] == '\n') { | |
529 | ipos++; | |
530 | goto send_line; | |
531 | } | |
532 | if (pos == size) { | |
533 | unsigned int new_ipos; | |
534 | /* Scan backwards for a space in the input, until we hit | |
535 | * either the last newline or the last variable expansion. | |
536 | * Print the line up to that point, and start from there. | |
537 | */ | |
538 | for (new_ipos = ipos; | |
539 | (new_ipos > expand_ipos) && (new_ipos > newline_ipos); | |
540 | --new_ipos) | |
541 | if (input.list[new_ipos] == ' ') | |
542 | break; | |
543 | pos -= ipos - new_ipos; | |
544 | if (new_ipos == newline_ipos) { | |
545 | /* Single word was too big to fit on one line; skip | |
546 | * forward to its end and print it as a whole. | |
547 | */ | |
548 | while (input.list[new_ipos] | |
549 | && (input.list[new_ipos] != ' ') | |
550 | && (input.list[new_ipos] != '\n') | |
551 | && (input.list[new_ipos] != '$')) | |
552 | line[pos++] = input.list[new_ipos++]; | |
553 | } | |
554 | ipos = new_ipos; | |
555 | while (input.list[ipos] == ' ') | |
556 | ipos++; | |
557 | goto send_line; | |
558 | } | |
559 | ||
560 | free_value = 0; | |
561 | switch (input.list[++ipos]) { | |
562 | /* Literal '$' or end of string. */ | |
563 | case 0: | |
564 | ipos--; | |
565 | case '$': | |
566 | value = "$"; | |
567 | break; | |
568 | /* The following two expand to mIRC color codes if enabled | |
569 | by the user. */ | |
570 | case 'b': | |
571 | value = use_color ? "\002" : ""; | |
572 | break; | |
e661b9c3 | 573 | case 'k': |
574 | value = use_color ? "\003" : ""; | |
575 | break; | |
d76ed9a9 AS |
576 | case 'o': |
577 | value = use_color ? "\017" : ""; | |
578 | break; | |
579 | case 'r': | |
580 | value = use_color ? "\026" : ""; | |
581 | break; | |
582 | case 'u': | |
583 | value = use_color ? "\037" : ""; | |
584 | break; | |
585 | /* Service nicks. */ | |
586 | case 'S': | |
587 | value = src->nick; | |
588 | break; | |
589 | case 'G': | |
590 | value = global ? global->nick : "Global"; | |
591 | break; | |
592 | case 'C': | |
593 | value = chanserv ? chanserv->nick : "ChanServ"; | |
594 | break; | |
595 | case 'O': | |
596 | value = opserv ? opserv->nick : "OpServ"; | |
597 | break; | |
598 | case 'N': | |
599 | value = nickserv ? nickserv->nick : "NickServ"; | |
600 | break; | |
63c95a47 | 601 | case 'X': |
602 | value = spamserv ? spamserv->nick : "SpamServ"; | |
603 | break; | |
d76ed9a9 AS |
604 | case 's': |
605 | value = self->name; | |
606 | break; | |
3da28d8e | 607 | #ifdef HAVE_HELPSERV |
608 | case 'i': | |
609 | value = strdup(get_helpserv_id(dest, src)); | |
610 | break; | |
611 | #endif | |
d76ed9a9 AS |
612 | case 'H': |
613 | value = handle ? handle->handle : "Account"; | |
614 | break; | |
7a278540 AS |
615 | case '!': /* Command Char for chanserv */ |
616 | if(!trigger) | |
617 | trigger = calloc(sizeof(*trigger), 2); | |
618 | if(chanserv && (service = service_find(chanserv->nick))) | |
619 | trigger[0] = service->trigger; | |
620 | else | |
621 | trigger[0] = '!'; | |
622 | value = trigger; | |
623 | break; | |
a32da4c7 | 624 | #define SEND_LINE(TRUNCED) do { \ |
625 | line[pos] = 0; \ | |
626 | if (pos > 0) { \ | |
627 | if (!(msg_type & MSG_TYPE_MULTILINE) && (pos > 1) && TRUNCED) \ | |
628 | line[pos-2] = line[pos-1] = '.'; \ | |
629 | irc_send(src, dest, line); \ | |
630 | } \ | |
631 | chars_sent += pos; \ | |
632 | pos = 0; \ | |
633 | newline_ipos = ipos; \ | |
634 | if (!(msg_type & MSG_TYPE_MULTILINE)) return chars_sent; \ | |
635 | } while (0) | |
d76ed9a9 AS |
636 | /* Custom expansion handled by helpfile-specific function. */ |
637 | case '{': | |
638 | case '(': { | |
639 | struct helpfile_expansion exp; | |
640 | char *name_end = input.list + ipos + 1, *colon = NULL; | |
641 | ||
642 | while (*name_end != '}' && *name_end != ')' && *name_end) { | |
643 | if (*name_end == ':') { | |
644 | colon = name_end; | |
645 | *colon = '\0'; | |
646 | } | |
647 | name_end++; | |
648 | } | |
649 | if (!*name_end) | |
650 | goto fallthrough; | |
651 | *name_end = '\0'; | |
652 | if (colon) { | |
653 | struct module *module = module_find(input.list + ipos + 1); | |
654 | if (module && module->expand_help) | |
655 | exp = module->expand_help(colon + 1); | |
656 | else { | |
657 | *colon = ':'; | |
658 | goto fallthrough; | |
659 | } | |
660 | } else if (expand_f) | |
661 | exp = expand_f(input.list + ipos + 1); | |
662 | else | |
663 | goto fallthrough; | |
664 | switch (exp.type) { | |
665 | case HF_STRING: | |
666 | free_value = value = exp.value.str; | |
667 | if (!value) | |
668 | value = ""; | |
669 | break; | |
670 | case HF_TABLE: | |
671 | /* Must send current line, then emit table. */ | |
a32da4c7 | 672 | SEND_LINE(0); |
d76ed9a9 AS |
673 | table_send(src, (message_dest ? message_dest->nick : dest), 0, irc_send, exp.value.table); |
674 | value = ""; | |
675 | break; | |
676 | default: | |
677 | value = ""; | |
1136f709 | 678 | log_module(MAIN_LOG, LOG_ERROR, "Invalid exp.type %d from expansion function %p.", exp.type, (void*)expand_f); |
d76ed9a9 AS |
679 | break; |
680 | } | |
681 | ipos = name_end - input.list; | |
682 | break; | |
683 | } | |
684 | default: | |
685 | fallthrough: | |
686 | value = alloca(3); | |
687 | value[0] = '$'; | |
688 | value[1] = input.list[ipos]; | |
689 | value[2] = 0; | |
690 | } | |
691 | ipos++; | |
692 | while ((pos + strlen(value) > size) || strchr(value, '\n')) { | |
693 | unsigned int avail; | |
694 | avail = size - pos - 1; | |
695 | length = strcspn(value, "\n "); | |
696 | if (length <= avail) { | |
697 | strncpy(line+pos, value, length); | |
698 | pos += length; | |
699 | value += length; | |
700 | /* copy over spaces, until (possible) end of line */ | |
701 | while (*value == ' ') { | |
702 | if (pos < size-1) | |
703 | line[pos++] = *value; | |
704 | value++; | |
705 | } | |
706 | } else { | |
707 | /* word to send is too big to send now.. what to do? */ | |
708 | if (pos > 0) { | |
709 | /* try to put it on a separate line */ | |
a32da4c7 | 710 | SEND_LINE(1); |
d76ed9a9 AS |
711 | } else { |
712 | /* already at start of line; only send part of it */ | |
713 | strncpy(line, value, avail); | |
714 | pos += avail; | |
715 | value += length; | |
716 | /* skip any trailing spaces */ | |
717 | while (*value == ' ') | |
718 | value++; | |
719 | } | |
720 | } | |
721 | /* if we're looking at a newline, send the accumulated text */ | |
722 | if (*value == '\n') { | |
a32da4c7 | 723 | SEND_LINE(0); |
d76ed9a9 AS |
724 | value++; |
725 | } | |
726 | } | |
727 | length = strlen(value); | |
728 | memcpy(line + pos, value, length); | |
729 | if (free_value) | |
730 | free(free_value); | |
731 | pos += length; | |
732 | if ((pos < size-1) && input.list[ipos]) { | |
d76ed9a9 AS |
733 | expand_ipos = ipos; |
734 | continue; | |
735 | } | |
736 | send_line: | |
d76ed9a9 | 737 | expand_ipos = ipos; |
a32da4c7 | 738 | SEND_LINE(0); |
d76ed9a9 AS |
739 | #undef SEND_LINE |
740 | } | |
741 | return chars_sent; | |
742 | } | |
743 | ||
744 | int | |
745 | send_message(struct userNode *dest, struct userNode *src, const char *format, ...) | |
746 | { | |
747 | int res; | |
748 | va_list ap; | |
749 | ||
1136f709 | 750 | if (IsLocal(dest) && !IsDummy(dest)) return 0; |
d76ed9a9 AS |
751 | va_start(ap, format); |
752 | res = vsend_message(dest->nick, src, dest->handle_info, 0, NULL, format, ap); | |
753 | va_end(ap); | |
754 | return res; | |
755 | } | |
756 | ||
757 | int | |
758 | send_message_type(int msg_type, struct userNode *dest, struct userNode *src, const char *format, ...) { | |
759 | int res; | |
760 | va_list ap; | |
761 | ||
1136f709 | 762 | if (IsLocal(dest) && !IsDummy(dest)) return 0; |
d76ed9a9 AS |
763 | va_start(ap, format); |
764 | res = vsend_message(dest->nick, src, dest->handle_info, msg_type, NULL, format, ap); | |
765 | va_end(ap); | |
766 | return res; | |
767 | } | |
768 | ||
769 | int | |
770 | send_target_message(int msg_type, const char *dest, struct userNode *src, const char *format, ...) | |
771 | { | |
772 | int res; | |
773 | va_list ap; | |
774 | ||
775 | va_start(ap, format); | |
776 | res = vsend_message(dest, src, NULL, msg_type, NULL, format, ap); | |
777 | va_end(ap); | |
778 | return res; | |
779 | } | |
780 | ||
781 | int | |
782 | _send_help(struct userNode *dest, struct userNode *src, expand_func_t expand, const char *format, ...) | |
783 | { | |
784 | int res; | |
785 | ||
786 | va_list ap; | |
787 | va_start(ap, format); | |
a32da4c7 | 788 | res = vsend_message(dest->nick, src, dest->handle_info, 12, expand, format, ap); |
d76ed9a9 AS |
789 | va_end(ap); |
790 | return res; | |
791 | } | |
792 | ||
793 | int | |
794 | send_help(struct userNode *dest, struct userNode *src, struct helpfile *hf, const char *topic) | |
795 | { | |
796 | struct helpfile *lang_hf; | |
797 | struct record_data *rec; | |
798 | struct language *curr; | |
799 | ||
800 | if (!topic) | |
801 | topic = "<index>"; | |
802 | if (!hf) { | |
803 | _send_help(dest, src, NULL, "HFMSG_MISSING_HELPFILE"); | |
1d957482 | 804 | return false; |
d76ed9a9 AS |
805 | } |
806 | for (curr = (dest->handle_info ? dest->handle_info->language : lang_C); | |
807 | curr; | |
808 | curr = curr->parent) { | |
809 | lang_hf = dict_find(curr->helpfiles, hf->name, NULL); | |
810 | if (!lang_hf) | |
811 | continue; | |
812 | rec = dict_find(lang_hf->db, topic, NULL); | |
1d957482 AS |
813 | if (rec && rec->type == RECDB_QSTRING) { |
814 | _send_help(dest, src, hf->expand, rec->d.qstring); | |
815 | return true; | |
816 | } | |
d76ed9a9 AS |
817 | } |
818 | rec = dict_find(hf->db, "<missing>", NULL); | |
819 | if (!rec) | |
1d957482 AS |
820 | return false; |
821 | if (rec->type != RECDB_QSTRING) { | |
822 | send_message(dest, src, "HFMSG_HELP_NOT_STRING"); | |
823 | return false; | |
824 | } | |
825 | _send_help(dest, src, hf->expand, rec->d.qstring); | |
826 | return true; | |
d76ed9a9 AS |
827 | } |
828 | ||
fc8798ec | 829 | int |
567a5f26 | 830 | send_help_brief(struct userNode *dest, struct userNode *src, struct helpfile *hf, const char *topic) |
fc8798ec AS |
831 | { |
832 | struct helpfile *lang_hf; | |
833 | struct record_data *rec; | |
834 | struct language *curr; | |
835 | ||
836 | if (!topic) | |
837 | topic = "<index>"; | |
838 | if (!hf) { | |
839 | _send_help(dest, src, NULL, "HFMSG_MISSING_HELPFILE"); | |
840 | return 0; | |
841 | } | |
842 | for (curr = (dest->handle_info ? dest->handle_info->language : lang_C); | |
843 | curr; | |
844 | curr = curr->parent) { | |
845 | lang_hf = dict_find(curr->helpfiles, hf->name, NULL); | |
846 | if (!lang_hf) | |
847 | continue; | |
848 | rec = dict_find(lang_hf->db, topic, NULL); | |
849 | if (rec && rec->type == RECDB_QSTRING) | |
e6892204 AS |
850 | { |
851 | char* buf; | |
852 | int res; | |
853 | ||
854 | buf = malloc(strlen(rec->d.qstring) + 1); | |
855 | strcpy(buf, rec->d.qstring); | |
856 | *strchr(buf, '\n') = 0; | |
857 | ||
858 | res = _send_help(dest, src, hf->expand, buf); | |
859 | free(buf); | |
860 | return res; | |
861 | } | |
fc8798ec AS |
862 | } |
863 | rec = dict_find(hf->db, "<missing>", NULL); | |
864 | if (!rec) | |
180e0971 | 865 | return 0; /* send_message(dest, src, "MSG_TOPIC_UNKNOWN"); */ |
fc8798ec | 866 | if (rec->type != RECDB_QSTRING) |
180e0971 | 867 | return 0; /* send_message(dest, src, "HFMSG_HELP_NOT_STRING"); */ |
fc8798ec AS |
868 | return _send_help(dest, src, hf->expand, rec->d.qstring); |
869 | } | |
870 | ||
d76ed9a9 AS |
871 | /* Grammar supported by this parser: |
872 | * condition = expr | prefix expr | |
873 | * expr = atomicexpr | atomicexpr op atomicexpr | |
874 | * op = '&&' | '||' | 'and' | 'or' | |
875 | * atomicexpr = '(' expr ')' | identifier | |
876 | * identifier = ( '0'-'9' 'A'-'Z' 'a'-'z' '-' '_' '/' )+ | ! identifier | |
877 | * | |
878 | * Whitespace is ignored. The parser is implemented as a recursive | |
879 | * descent parser by functions like: | |
880 | * static int helpfile_eval_<element>(const char *start, const char **end); | |
881 | */ | |
882 | ||
883 | enum helpfile_op { | |
884 | OP_INVALID, | |
885 | OP_BOOL_AND, | |
886 | OP_BOOL_OR | |
887 | }; | |
888 | ||
889 | static const struct { | |
890 | const char *str; | |
891 | enum helpfile_op op; | |
892 | } helpfile_operators[] = { | |
893 | { "&&", OP_BOOL_AND }, | |
894 | { "and", OP_BOOL_AND }, | |
895 | { "||", OP_BOOL_OR }, | |
896 | { "or", OP_BOOL_OR }, | |
897 | { NULL, OP_INVALID } | |
898 | }; | |
899 | ||
900 | static const char *identifier_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_/"; | |
901 | ||
902 | static int helpfile_eval_expr(const char *start, const char **end); | |
903 | static int helpfile_eval_atomicexpr(const char *start, const char **end); | |
904 | static int helpfile_eval_identifier(const char *start, const char **end); | |
905 | ||
906 | static int | |
907 | helpfile_eval_identifier(const char *start, const char **end) | |
908 | { | |
909 | /* Skip leading whitespace. */ | |
910 | while (isspace(*start) && (start < *end)) | |
911 | start++; | |
912 | if (start == *end) { | |
913 | log_module(MAIN_LOG, LOG_FATAL, "Expected identifier in helpfile condition."); | |
914 | return -1; | |
915 | } | |
916 | ||
917 | if (start[0] == '!') { | |
918 | int res = helpfile_eval_identifier(start+1, end); | |
919 | if (res < 0) | |
920 | return res; | |
921 | return !res; | |
922 | } else if (start[0] == '/') { | |
923 | const char *sep; | |
924 | char *id_str, *value; | |
925 | ||
926 | for (sep = start; | |
927 | strchr(identifier_chars, sep[0]) && (sep < *end); | |
928 | ++sep) ; | |
929 | memcpy(id_str = alloca(sep+1-start), start, sep-start); | |
930 | id_str[sep-start] = '\0'; | |
931 | value = conf_get_data(id_str+1, RECDB_QSTRING); | |
932 | *end = sep; | |
933 | if (!value) | |
934 | return 0; | |
935 | return enabled_string(value) || true_string(value); | |
936 | } else if ((*end - start >= 4) && !ircncasecmp(start, "true", 4)) { | |
937 | *end = start + 4; | |
938 | return 1; | |
939 | } else if ((*end - start >= 5) && !ircncasecmp(start, "false", 5)) { | |
940 | *end = start + 5; | |
941 | return 0; | |
942 | } else { | |
2f61d1d7 | 943 | log_module(MAIN_LOG, LOG_FATAL, "Unexpected helpfile identifier '%.*s'.", (int)(*end-start), start); |
d76ed9a9 AS |
944 | return -1; |
945 | } | |
946 | } | |
947 | ||
948 | static int | |
949 | helpfile_eval_atomicexpr(const char *start, const char **end) | |
950 | { | |
951 | const char *sep; | |
952 | int res; | |
953 | ||
954 | /* Skip leading whitespace. */ | |
955 | while (isspace(*start) && (start < *end)) | |
956 | start++; | |
957 | if (start == *end) { | |
958 | log_module(MAIN_LOG, LOG_FATAL, "Expected atomic expression in helpfile condition."); | |
959 | return -1; | |
960 | } | |
961 | ||
962 | /* If it's not parenthesized, it better be a valid identifier. */ | |
963 | if (*start != '(') | |
964 | return helpfile_eval_identifier(start, end); | |
965 | ||
966 | /* Parse the internal expression. */ | |
967 | start++; | |
968 | sep = *end; | |
969 | res = helpfile_eval_expr(start, &sep); | |
970 | ||
971 | /* Check for the closing parenthesis. */ | |
972 | while (isspace(*sep) && (sep < *end)) | |
973 | sep++; | |
974 | if ((sep == *end) || (sep[0] != ')')) { | |
2f61d1d7 | 975 | log_module(MAIN_LOG, LOG_FATAL, "Expected close parenthesis at '%.*s'.", (int)(*end-sep), sep); |
d76ed9a9 AS |
976 | return -1; |
977 | } | |
978 | ||
979 | /* Report the end location and result. */ | |
980 | *end = sep + 1; | |
981 | return res; | |
982 | } | |
983 | ||
984 | static int | |
985 | helpfile_eval_expr(const char *start, const char **end) | |
986 | { | |
987 | const char *sep, *sep2; | |
988 | unsigned int ii, len; | |
989 | int res_a, res_b; | |
990 | enum helpfile_op op; | |
991 | ||
992 | /* Parse the first atomicexpr. */ | |
993 | sep = *end; | |
994 | res_a = helpfile_eval_atomicexpr(start, &sep); | |
995 | if (res_a < 0) | |
996 | return res_a; | |
997 | ||
998 | /* Figure out what follows that. */ | |
999 | while (isspace(*sep) && (sep < *end)) | |
1000 | sep++; | |
1001 | if (sep == *end) | |
1002 | return res_a; | |
1003 | op = OP_INVALID; | |
1004 | for (ii = 0; helpfile_operators[ii].str; ++ii) { | |
1005 | len = strlen(helpfile_operators[ii].str); | |
1006 | if (ircncasecmp(sep, helpfile_operators[ii].str, len)) | |
1007 | continue; | |
1008 | op = helpfile_operators[ii].op; | |
1009 | sep += len; | |
1010 | } | |
1011 | if (op == OP_INVALID) { | |
2f61d1d7 | 1012 | log_module(MAIN_LOG, LOG_FATAL, "Unrecognized helpfile operator at '%.*s'.", (int)(*end-sep), sep); |
d76ed9a9 AS |
1013 | return -1; |
1014 | } | |
1015 | ||
1016 | /* Parse the next atomicexpr. */ | |
1017 | sep2 = *end; | |
1018 | res_b = helpfile_eval_atomicexpr(sep, &sep2); | |
1019 | if (res_b < 0) | |
1020 | return res_b; | |
1021 | ||
1022 | /* Make sure there's no trailing garbage */ | |
1023 | while (isspace(*sep2) && (sep2 < *end)) | |
1024 | sep2++; | |
1025 | if (sep2 != *end) { | |
2f61d1d7 | 1026 | log_module(MAIN_LOG, LOG_FATAL, "Trailing garbage in helpfile expression: '%.*s'.", (int)(*end-sep2), sep2); |
d76ed9a9 AS |
1027 | return -1; |
1028 | } | |
1029 | ||
1030 | /* Record where we stopped parsing. */ | |
1031 | *end = sep2; | |
1032 | ||
1033 | /* Do the logic on the subexpressions. */ | |
1034 | switch (op) { | |
1035 | case OP_BOOL_AND: | |
1036 | return res_a && res_b; | |
1037 | case OP_BOOL_OR: | |
1038 | return res_a || res_b; | |
1039 | default: | |
1040 | return -1; | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | static int | |
1045 | helpfile_eval_condition(const char *start, const char **end) | |
1046 | { | |
1047 | const char *term; | |
1048 | ||
1049 | /* Skip the prefix if there is one. */ | |
1050 | for (term = start; isalnum(*term) && (term < *end); ++term) ; | |
1051 | if (term != start) { | |
1052 | if ((term + 2 >= *end) || (term[0] != ':') || (term[1] != ' ')) { | |
2f61d1d7 | 1053 | log_module(MAIN_LOG, LOG_FATAL, "In helpfile condition '%.*s' expected prefix to end with ': '.",(int)(*end-start), start); |
d76ed9a9 AS |
1054 | return -1; |
1055 | } | |
1056 | start = term + 2; | |
1057 | } | |
1058 | ||
1059 | /* Evaluate the remaining string as an expression. */ | |
1060 | return helpfile_eval_expr(start, end); | |
1061 | } | |
1062 | ||
1063 | static int | |
1064 | unlistify_help(const char *key, void *data, void *extra) | |
1065 | { | |
1066 | struct record_data *rd = data; | |
1067 | dict_t newdb = extra; | |
1068 | ||
1069 | switch (rd->type) { | |
1070 | case RECDB_QSTRING: | |
1071 | dict_insert(newdb, strdup(key), alloc_record_data_qstring(GET_RECORD_QSTRING(rd))); | |
1072 | return 0; | |
1073 | case RECDB_STRING_LIST: { | |
1074 | struct string_list *slist = GET_RECORD_STRING_LIST(rd); | |
1075 | char *dest; | |
1076 | unsigned int totlen, len, i; | |
1077 | ||
1078 | for (i=totlen=0; i<slist->used; i++) | |
1079 | totlen = totlen + strlen(slist->list[i]) + 1; | |
1080 | dest = alloca(totlen+1); | |
1081 | for (i=totlen=0; i<slist->used; i++) { | |
1082 | len = strlen(slist->list[i]); | |
1083 | memcpy(dest+totlen, slist->list[i], len); | |
1084 | dest[totlen+len] = '\n'; | |
1085 | totlen = totlen + len + 1; | |
1086 | } | |
1087 | dest[totlen] = 0; | |
1088 | dict_insert(newdb, strdup(key), alloc_record_data_qstring(dest)); | |
1089 | return 0; | |
1090 | } | |
1091 | case RECDB_OBJECT: { | |
1092 | dict_iterator_t it; | |
1093 | ||
1094 | for (it = dict_first(GET_RECORD_OBJECT(rd)); it; it = iter_next(it)) { | |
1095 | const char *k2, *end; | |
1096 | int res; | |
1097 | ||
1098 | /* Evaluate the expression for this subentry. */ | |
1099 | k2 = iter_key(it); | |
1100 | end = k2 + strlen(k2); | |
1101 | res = helpfile_eval_condition(k2, &end); | |
1102 | /* If the evaluation failed, bail. */ | |
1103 | if (res < 0) { | |
1104 | log_module(MAIN_LOG, LOG_FATAL, " .. while processing entry '%s' condition '%s'.", key, k2); | |
1105 | return 1; | |
1106 | } | |
1107 | /* If the condition was false, try another. */ | |
1108 | if (!res) | |
1109 | continue; | |
1110 | /* If we cannot unlistify the contents, bail. */ | |
1111 | if (unlistify_help(key, iter_data(it), extra)) | |
1112 | return 1; | |
1113 | return 0; | |
1114 | } | |
1115 | /* If none of the conditions apply, just omit the entry. */ | |
1116 | return 0; | |
1117 | } | |
1118 | default: | |
1119 | return 1; | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | struct helpfile * | |
1124 | open_helpfile(const char *fname, expand_func_t expand) | |
1125 | { | |
1126 | struct helpfile *hf; | |
1127 | char *slash; | |
1128 | dict_t db = parse_database(fname); | |
1129 | hf = calloc(1, sizeof(*hf)); | |
1130 | hf->expand = expand; | |
1131 | hf->db = alloc_database(); | |
1132 | dict_set_free_keys(hf->db, free); | |
1133 | if ((slash = strrchr(fname, '/'))) { | |
1134 | hf->name = strdup(slash + 1); | |
1135 | } else { | |
1136 | hf->name = strdup(fname); | |
1137 | dict_insert(language_find("C")->helpfiles, hf->name, hf); | |
1138 | } | |
1139 | if (db) { | |
1140 | dict_foreach(db, unlistify_help, hf->db); | |
1141 | free_database(db); | |
1142 | } | |
1143 | return hf; | |
1144 | } | |
1145 | ||
1146 | void close_helpfile(struct helpfile *hf) | |
1147 | { | |
1148 | if (!hf) | |
1149 | return; | |
1150 | free((char*)hf->name); | |
1151 | free_database(hf->db); | |
1152 | free(hf); | |
1153 | } | |
1154 | ||
1155 | void message_register_table(const struct message_entry *table) | |
1156 | { | |
1157 | if (!lang_C) | |
1158 | language_find("C"); | |
1159 | while (table->msgid) { | |
1160 | dict_insert(lang_C->messages, table->msgid, (char*)table->format); | |
1161 | table++; | |
1162 | } | |
1163 | } | |
1164 | ||
1165 | void helpfile_init(void) | |
1166 | { | |
1167 | message_register_table(msgtab); | |
1168 | language_read_list(); | |
1169 | } | |
1170 | ||
1136f709 | 1171 | static void helpfile_read_languages(void) |
d76ed9a9 AS |
1172 | { |
1173 | dict_iterator_t it; | |
1136f709 | 1174 | dict_t dict; |
1175 | ||
1176 | language_read_list(); | |
d76ed9a9 AS |
1177 | for (it = dict_first(languages); it; it = iter_next(it)) |
1178 | language_read(iter_key(it)); | |
1136f709 | 1179 | |
1180 | /* If the user has a strings.db in their languages directory, | |
1181 | * allow that to override C language strings. | |
1182 | */ | |
1183 | dict = parse_database("languages/strings.db"); | |
1184 | if (dict) { | |
1185 | language_set_messages(lang_C, dict); | |
1186 | free_database(dict); | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | void helpfile_finalize(void) | |
1191 | { | |
1192 | conf_register_reload(helpfile_read_languages); | |
30874d66 | 1193 | reg_exit_func(language_cleanup, NULL); |
d76ed9a9 | 1194 | } |