1 /* helpfile.c - Help file loading and display
2 * Copyright 2000-2004 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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.
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.
27 #if defined(HAVE_DIRENT_H)
31 #if defined(HAVE_SYS_STAT_H)
35 static const struct message_entry msgtab[] = {
36 { "HFMSG_MISSING_HELPFILE", "The help file could not be found. Sorry!" },
37 { "HFMSG_HELP_NOT_STRING", "Help file error (help data was not a string)." },
41 #define DEFAULT_LINE_SIZE MAX_LINE_SIZE
42 #define DEFAULT_TABLE_SIZE 80
44 extern struct userNode *global, *chanserv, *opserv, *nickserv;
45 struct userNode *message_dest;
46 struct userNode *message_source;
47 struct language *lang_C;
48 struct dict *languages;
50 static void language_cleanup(void)
52 dict_delete(languages);
55 static void language_free_helpfile(void *data)
57 struct helpfile *hf = data;
61 static void language_free(void *data)
63 struct language *lang = data;
64 dict_delete(lang->messages);
65 dict_delete(lang->helpfiles);
70 static struct language *language_alloc(const char *name)
72 struct language *lang = calloc(1, sizeof(*lang));
73 lang->name = strdup(name);
74 lang->parent = lang_C;
76 languages = dict_new();
77 dict_set_free_data(languages, language_free);
79 dict_insert(languages, lang->name, lang);
83 /* Language names should use a lang or lang_COUNTRY type system, where
84 * lang is a two-letter code according to ISO-639-1 (or three-letter
85 * code according to ISO-639-2 for languages not in ISO-639-1), and
86 * COUNTRY is the ISO 3166 country code in all upper case.
89 * http://www.loc.gov/standards/iso639-2/
90 * http://www.loc.gov/standards/iso639-2/langhome.html
91 * http://www.iso.ch/iso/en/prods-services/iso3166ma/index.html
93 struct language *language_find(const char *name)
95 struct language *lang;
96 char alt_name[MAXLEN];
99 if ((lang = dict_find(languages, name, NULL)))
101 if ((uscore = strchr(name, '_'))) {
102 strncpy(alt_name, name, uscore-name);
103 alt_name[uscore-name] = 0;
104 if ((lang = dict_find(languages, alt_name, NULL)))
108 lang_C = language_alloc("C");
109 lang_C->messages = dict_new();
110 lang_C->helpfiles = dict_new();
115 static void language_set_messages(struct language *lang, dict_t dict)
117 dict_iterator_t it, it2;
118 struct record_data *rd;
123 for (it = dict_first(dict), it2 = dict_first(lang_C->messages); it; ) {
124 const char *msgid = iter_key(it);
125 int diff = it2 ? irccasecmp(msgid, iter_key(it2)) : -1;
130 } else if (diff > 0) {
132 it2 = iter_next(it2);
138 msg = strdup(rd->d.qstring);
140 case RECDB_STRING_LIST:
141 /* XXX: maybe do an unlistify_help() type thing */
143 log_module(MAIN_LOG, LOG_WARNING, "Unsupported record type for message %s in language %s", msgid, lang->name);
146 dict_insert(lang->messages, strdup(msgid), msg);
148 it2 = iter_next(it2);
152 it2 = iter_next(it2);
154 if (extra || missing)
155 log_module(MAIN_LOG, LOG_WARNING, "In language %s, %d extra and %d missing messages.", lang->name, extra, missing);
158 static struct language *language_read(const char *name)
161 struct dirent *dirent;
162 struct language *lang;
164 char filename[MAXLEN], *uscore;
168 /* Never try to read the C language from disk. */
169 if (!irccasecmp(name, "C"))
172 /* Open the directory stream; if we can't, fail. */
173 snprintf(filename, sizeof(filename), "languages/%s", name);
174 if (!(dir = opendir(filename))) {
175 log_module(MAIN_LOG, LOG_ERROR, "Unable to open language directory languages/%s: %s", name, strerror(errno));
178 if (!(lang = dict_find(languages, name, NULL)))
179 lang = language_alloc(name);
181 /* Find the parent language. */
182 snprintf(filename, sizeof(filename), "languages/%s/parent", name);
183 if (!(file = fopen(filename, "r"))
184 || !fgets(filename, sizeof(filename), file)) {
185 strcpy(filename, "C");
187 if (!(lang->parent = language_find(filename))) {
188 uscore = strchr(filename, '_');
191 lang->parent = language_find(filename);
194 lang->parent = lang_C;
197 /* (Re-)initialize the language's dicts. */
198 dict_delete(lang->messages);
199 lang->messages = dict_new();
200 dict_set_free_keys(lang->messages, free);
201 dict_set_free_data(lang->messages, free);
202 lang->helpfiles = dict_new();
203 dict_set_free_data(lang->helpfiles, language_free_helpfile);
205 /* Read all the translations from the directory. */
206 while ((dirent = readdir(dir))) {
207 snprintf(filename, sizeof(filename), "languages/%s/%s", name, dirent->d_name);
208 if (!strcmp(dirent->d_name, "parent")) {
210 } else if (!strcmp(dirent->d_name, "strings.db")) {
211 dict = parse_database(filename);
212 language_set_messages(lang, dict);
214 } else if ((hf = dict_find(lang_C->helpfiles, dirent->d_name, NULL))) {
215 hf = open_helpfile(filename, hf->expand);
216 dict_insert(lang->helpfiles, hf->name, hf);
225 static void language_read_list(void)
228 struct dirent *dirent;
230 char namebuf[MAXLEN];
232 if (!(dir = opendir("languages")))
234 while ((dirent = readdir(dir))) {
235 if (dirent->d_name[0] == '.')
237 snprintf(namebuf, sizeof(namebuf), "languages/%s", dirent->d_name);
238 if (!strcmp(dirent->d_name, "strings.db")) {
241 if (stat(namebuf, &sbuf) < 0) {
242 log_module(MAIN_LOG, LOG_INFO, "Skipping language entry '%s' (unable to stat).", dirent->d_name);
245 if (!S_ISDIR(sbuf.st_mode)) {
246 log_module(MAIN_LOG, LOG_INFO, "Skipping language entry '%s' (not directory).", dirent->d_name);
249 language_alloc(dirent->d_name);
254 const char *language_find_message(struct language *lang, const char *msgid) {
255 struct language *curr;
259 for (curr = lang; curr; curr = curr->parent)
260 if ((msg = dict_find(curr->messages, msgid, NULL)))
262 log_module(MAIN_LOG, LOG_ERROR, "Tried to find unregistered message \"%s\" (original language %s)", msgid, lang->name);
267 table_send(struct userNode *from, const char *to, unsigned int size, irc_send_func irc_send, struct helpfile_table table) {
268 unsigned int ii, jj, len, nreps, reps, tot_width, pos, spaces, *max_width;
269 char line[MAX_LINE_SIZE+1];
270 struct handle_info *hi;
272 if (IsChannelName(to) || *to == '$') {
276 message_dest = GetUserH(to);
278 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user with nickname %s (in table_send from %s).", to, from->nick);
281 hi = message_dest->handle_info;
282 #ifdef WITH_PROTOCOL_P10
283 to = message_dest->numeric;
286 message_source = from;
288 /* If size or irc_send are 0, we should try to use a default. */
292 size = DEFAULT_TABLE_SIZE;
293 else if (hi->table_width)
294 size = hi->table_width;
295 else if (hi->screen_width)
296 size = hi->screen_width;
298 size = DEFAULT_TABLE_SIZE;
301 {} /* use that function */
303 irc_send = HANDLE_FLAGGED(hi, USE_PRIVMSG) ? irc_privmsg : irc_notice;
305 irc_send = IsChannelName(to) ? irc_privmsg : irc_notice;
307 /* Limit size to how much we can show at once */
308 if (size > sizeof(line))
311 /* Figure out how wide columns should be */
312 max_width = alloca(table.width * sizeof(int));
313 for (jj=tot_width=0; jj<table.width; jj++) {
314 /* Find the widest width for this column */
316 for (ii=0; ii<table.length; ii++) {
317 len = strlen(table.contents[ii][jj]);
318 if (len > max_width[jj])
321 /* Separate columns with spaces */
322 tot_width += max_width[jj] + 1;
324 /* How many rows to put in a line? */
325 if ((table.flags & TABLE_REPEAT_ROWS) && (size > tot_width))
326 nreps = size / tot_width;
329 /* Send headers line.. */
330 if (table.flags & TABLE_NO_HEADERS) {
333 /* Sending headers needs special treatment: either show them
334 * once, or repeat them as many times as we repeat the columns
336 for (pos=ii=0; ii<((table.flags & TABLE_REPEAT_HEADERS)?nreps:1); ii++) {
338 len = strlen(table.contents[0][jj]);
339 spaces = max_width[jj] - len;
340 if (table.flags & TABLE_PAD_LEFT)
343 memcpy(line+pos, table.contents[0][jj], len);
345 if (++jj == table.width)
347 if (!(table.flags & TABLE_PAD_LEFT))
354 irc_send(from, to, line);
357 /* Send the table. */
358 for (jj=0, pos=0, reps=0; ii<table.length; ) {
360 len = strlen(table.contents[ii][jj]);
361 spaces = max_width[jj] - len;
362 if (table.flags & TABLE_PAD_LEFT)
363 while (spaces--) line[pos++] = ' ';
364 memcpy(line+pos, table.contents[ii][jj], len);
366 if (++jj == table.width) {
367 jj = 0, ++ii, ++reps;
368 if ((reps == nreps) || (ii == table.length)) {
370 irc_send(from, to, line);
375 if (!(table.flags & TABLE_PAD_LEFT))
381 if (!(table.flags & TABLE_NO_FREE)) {
382 /* Deallocate table memory (but not the string memory). */
383 for (ii=0; ii<table.length; ii++)
384 free(table.contents[ii]);
385 free(table.contents);
390 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)
392 void (*irc_send)(struct userNode *from, const char *to, const char *msg);
393 static struct string_buffer input;
394 unsigned int size, ipos, pos, length, chars_sent, use_color;
395 unsigned int expand_pos, expand_ipos, newline_ipos;
396 char line[MAX_LINE_SIZE];
398 if (IsChannelName(dest) || *dest == '$') {
400 } else if (!(message_dest = GetUserH(dest))) {
401 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user with nickname %s (in vsend_message from %s).", dest, src->nick);
403 } else if (message_dest->dead) {
404 /* No point in sending to a user who is leaving. */
407 #ifdef WITH_PROTOCOL_P10
408 dest = message_dest->numeric;
411 message_source = src;
412 if (!(msg_type & MSG_TYPE_NOXLATE)
413 && !(format = handle_find_message(handle, format)))
415 /* fill in a buffer with the string */
417 string_buffer_append_vprintf(&input, format, al);
419 /* figure out how to send the messages */
421 msg_type |= (HANDLE_FLAGGED(handle, USE_PRIVMSG) ? 1 : 0);
422 use_color = HANDLE_FLAGGED(handle, MIRC_COLOR);
423 size = handle->screen_width;
424 if (size > sizeof(line))
430 if (!size || !(msg_type & MSG_TYPE_MULTILINE))
431 size = DEFAULT_LINE_SIZE;
432 switch (msg_type & 3) {
434 irc_send = irc_notice;
437 irc_send = irc_wallchops;
441 irc_send = irc_privmsg;
444 /* This used to be two passes, but if you do that and allow
445 * arbitrary sizes for ${}-expansions (as with help indexes),
446 * that requires a very big intermediate buffer.
448 expand_ipos = newline_ipos = ipos = 0;
449 expand_pos = pos = 0;
451 while (input.list[ipos]) {
452 char ch, *value, *free_value;
454 while ((ch = input.list[ipos]) && (ch != '$') && (ch != '\n') && (pos < size)) {
459 if (!input.list[ipos])
461 if (input.list[ipos] == '\n') {
466 unsigned int new_ipos;
467 /* Scan backwards for a space in the input, until we hit
468 * either the last newline or the last variable expansion.
469 * Print the line up to that point, and start from there.
471 for (new_ipos = ipos;
472 (new_ipos > expand_ipos) && (new_ipos > newline_ipos);
474 if (input.list[new_ipos] == ' ')
476 pos -= ipos - new_ipos;
477 if (new_ipos == newline_ipos) {
478 /* Single word was too big to fit on one line; skip
479 * forward to its end and print it as a whole.
481 while (input.list[new_ipos]
482 && (input.list[new_ipos] != ' ')
483 && (input.list[new_ipos] != '\n')
484 && (input.list[new_ipos] != '$'))
485 line[pos++] = input.list[new_ipos++];
488 while (input.list[ipos] == ' ')
494 switch (input.list[++ipos]) {
495 /* Literal '$' or end of string. */
501 /* The following two expand to mIRC color codes if enabled
504 value = use_color ? "\002" : "";
507 value = use_color ? "\017" : "";
510 value = use_color ? "\026" : "";
513 value = use_color ? "\037" : "";
520 value = global ? global->nick : "Global";
523 value = chanserv ? chanserv->nick : "ChanServ";
526 value = opserv ? opserv->nick : "OpServ";
529 value = nickserv ? nickserv->nick : "NickServ";
535 value = handle ? handle->handle : "Account";
537 #define SEND_LINE(TRUNCED) do { \
540 if (!(msg_type & MSG_TYPE_MULTILINE) && (pos > 1) && TRUNCED) \
541 line[pos-2] = line[pos-1] = '.'; \
542 irc_send(src, dest, line); \
546 newline_ipos = ipos; \
547 if (!(msg_type & MSG_TYPE_MULTILINE)) return chars_sent; \
549 /* Custom expansion handled by helpfile-specific function. */
552 struct helpfile_expansion exp;
553 char *name_end = input.list + ipos + 1, *colon = NULL;
555 while (*name_end != '}' && *name_end != ')' && *name_end) {
556 if (*name_end == ':') {
566 struct module *module = module_find(input.list + ipos + 1);
567 if (module && module->expand_help)
568 exp = module->expand_help(colon + 1);
574 exp = expand_f(input.list + ipos + 1);
579 free_value = value = exp.value.str;
584 /* Must send current line, then emit table. */
586 table_send(src, (message_dest ? message_dest->nick : dest), 0, irc_send, exp.value.table);
591 log_module(MAIN_LOG, LOG_ERROR, "Invalid exp.type %d from expansion function %p.", exp.type, expand_f);
594 ipos = name_end - input.list;
601 value[1] = input.list[ipos];
605 while ((pos + strlen(value) > size) || strchr(value, '\n')) {
607 avail = size - pos - 1;
608 length = strcspn(value, "\n ");
609 if (length <= avail) {
610 strncpy(line+pos, value, length);
613 /* copy over spaces, until (possible) end of line */
614 while (*value == ' ') {
616 line[pos++] = *value;
620 /* word to send is too big to send now.. what to do? */
622 /* try to put it on a separate line */
625 /* already at start of line; only send part of it */
626 strncpy(line, value, avail);
629 /* skip any trailing spaces */
630 while (*value == ' ')
634 /* if we're looking at a newline, send the accumulated text */
635 if (*value == '\n') {
640 length = strlen(value);
641 memcpy(line + pos, value, length);
645 if ((pos < size-1) && input.list[ipos]) {
660 send_message(struct userNode *dest, struct userNode *src, const char *format, ...)
665 if (IsLocal(dest) && !IsDummy(dest)) return 0;
666 va_start(ap, format);
667 res = vsend_message(dest->nick, src, dest->handle_info, 0, NULL, format, ap);
673 send_message_type(int msg_type, struct userNode *dest, struct userNode *src, const char *format, ...) {
677 if (IsLocal(dest) && !IsDummy(dest)) return 0;
678 va_start(ap, format);
679 res = vsend_message(dest->nick, src, dest->handle_info, msg_type, NULL, format, ap);
685 send_target_message(int msg_type, const char *dest, struct userNode *src, const char *format, ...)
690 va_start(ap, format);
691 res = vsend_message(dest, src, NULL, msg_type, NULL, format, ap);
697 _send_help(struct userNode *dest, struct userNode *src, expand_func_t expand, const char *format, ...)
702 va_start(ap, format);
703 res = vsend_message(dest->nick, src, dest->handle_info, 12, expand, format, ap);
709 send_help(struct userNode *dest, struct userNode *src, struct helpfile *hf, const char *topic)
711 struct helpfile *lang_hf;
712 struct record_data *rec;
713 struct language *curr;
718 _send_help(dest, src, NULL, "HFMSG_MISSING_HELPFILE");
721 for (curr = (dest->handle_info ? dest->handle_info->language : lang_C);
723 curr = curr->parent) {
724 lang_hf = dict_find(curr->helpfiles, hf->name, NULL);
727 rec = dict_find(lang_hf->db, topic, NULL);
728 if (rec && rec->type == RECDB_QSTRING)
729 return _send_help(dest, src, hf->expand, rec->d.qstring);
731 rec = dict_find(hf->db, "<missing>", NULL);
733 return send_message(dest, src, "MSG_TOPIC_UNKNOWN");
734 if (rec->type != RECDB_QSTRING)
735 return send_message(dest, src, "HFMSG_HELP_NOT_STRING");
736 return _send_help(dest, src, hf->expand, rec->d.qstring);
739 /* Grammar supported by this parser:
740 * condition = expr | prefix expr
741 * expr = atomicexpr | atomicexpr op atomicexpr
742 * op = '&&' | '||' | 'and' | 'or'
743 * atomicexpr = '(' expr ')' | identifier
744 * identifier = ( '0'-'9' 'A'-'Z' 'a'-'z' '-' '_' '/' )+ | ! identifier
746 * Whitespace is ignored. The parser is implemented as a recursive
747 * descent parser by functions like:
748 * static int helpfile_eval_<element>(const char *start, const char **end);
757 static const struct {
760 } helpfile_operators[] = {
761 { "&&", OP_BOOL_AND },
762 { "and", OP_BOOL_AND },
763 { "||", OP_BOOL_OR },
764 { "or", OP_BOOL_OR },
768 static const char *identifier_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_/";
770 static int helpfile_eval_expr(const char *start, const char **end);
771 static int helpfile_eval_atomicexpr(const char *start, const char **end);
772 static int helpfile_eval_identifier(const char *start, const char **end);
775 helpfile_eval_identifier(const char *start, const char **end)
777 /* Skip leading whitespace. */
778 while (isspace(*start) && (start < *end))
781 log_module(MAIN_LOG, LOG_FATAL, "Expected identifier in helpfile condition.");
785 if (start[0] == '!') {
786 int res = helpfile_eval_identifier(start+1, end);
790 } else if (start[0] == '/') {
792 char *id_str, *value;
795 strchr(identifier_chars, sep[0]) && (sep < *end);
797 memcpy(id_str = alloca(sep+1-start), start, sep-start);
798 id_str[sep-start] = '\0';
799 value = conf_get_data(id_str+1, RECDB_QSTRING);
803 return enabled_string(value) || true_string(value);
804 } else if ((*end - start >= 4) && !ircncasecmp(start, "true", 4)) {
807 } else if ((*end - start >= 5) && !ircncasecmp(start, "false", 5)) {
811 log_module(MAIN_LOG, LOG_FATAL, "Unexpected helpfile identifier '%.*s'.", (int)(*end-start), start);
817 helpfile_eval_atomicexpr(const char *start, const char **end)
822 /* Skip leading whitespace. */
823 while (isspace(*start) && (start < *end))
826 log_module(MAIN_LOG, LOG_FATAL, "Expected atomic expression in helpfile condition.");
830 /* If it's not parenthesized, it better be a valid identifier. */
832 return helpfile_eval_identifier(start, end);
834 /* Parse the internal expression. */
837 res = helpfile_eval_expr(start, &sep);
839 /* Check for the closing parenthesis. */
840 while (isspace(*sep) && (sep < *end))
842 if ((sep == *end) || (sep[0] != ')')) {
843 log_module(MAIN_LOG, LOG_FATAL, "Expected close parenthesis at '%.*s'.", (int)(*end-sep), sep);
847 /* Report the end location and result. */
853 helpfile_eval_expr(const char *start, const char **end)
855 const char *sep, *sep2;
856 unsigned int ii, len;
860 /* Parse the first atomicexpr. */
862 res_a = helpfile_eval_atomicexpr(start, &sep);
866 /* Figure out what follows that. */
867 while (isspace(*sep) && (sep < *end))
872 for (ii = 0; helpfile_operators[ii].str; ++ii) {
873 len = strlen(helpfile_operators[ii].str);
874 if (ircncasecmp(sep, helpfile_operators[ii].str, len))
876 op = helpfile_operators[ii].op;
879 if (op == OP_INVALID) {
880 log_module(MAIN_LOG, LOG_FATAL, "Unrecognized helpfile operator at '%.*s'.", (int)(*end-sep), sep);
884 /* Parse the next atomicexpr. */
886 res_b = helpfile_eval_atomicexpr(sep, &sep2);
890 /* Make sure there's no trailing garbage */
891 while (isspace(*sep2) && (sep2 < *end))
894 log_module(MAIN_LOG, LOG_FATAL, "Trailing garbage in helpfile expression: '%.*s'.", (int)(*end-sep2), sep2);
898 /* Record where we stopped parsing. */
901 /* Do the logic on the subexpressions. */
904 return res_a && res_b;
906 return res_a || res_b;
913 helpfile_eval_condition(const char *start, const char **end)
917 /* Skip the prefix if there is one. */
918 for (term = start; isalnum(*term) && (term < *end); ++term) ;
920 if ((term + 2 >= *end) || (term[0] != ':') || (term[1] != ' ')) {
921 log_module(MAIN_LOG, LOG_FATAL, "In helpfile condition '%.*s' expected prefix to end with ': '.", (int)(*end-start), start);
927 /* Evaluate the remaining string as an expression. */
928 return helpfile_eval_expr(start, end);
932 unlistify_help(const char *key, void *data, void *extra)
934 struct record_data *rd = data;
935 dict_t newdb = extra;
939 dict_insert(newdb, strdup(key), alloc_record_data_qstring(GET_RECORD_QSTRING(rd)));
941 case RECDB_STRING_LIST: {
942 struct string_list *slist = GET_RECORD_STRING_LIST(rd);
944 unsigned int totlen, len, i;
946 for (i=totlen=0; i<slist->used; i++)
947 totlen = totlen + strlen(slist->list[i]) + 1;
948 dest = alloca(totlen+1);
949 for (i=totlen=0; i<slist->used; i++) {
950 len = strlen(slist->list[i]);
951 memcpy(dest+totlen, slist->list[i], len);
952 dest[totlen+len] = '\n';
953 totlen = totlen + len + 1;
956 dict_insert(newdb, strdup(key), alloc_record_data_qstring(dest));
962 for (it = dict_first(GET_RECORD_OBJECT(rd)); it; it = iter_next(it)) {
963 const char *k2, *end;
966 /* Evaluate the expression for this subentry. */
968 end = k2 + strlen(k2);
969 res = helpfile_eval_condition(k2, &end);
970 /* If the evaluation failed, bail. */
972 log_module(MAIN_LOG, LOG_FATAL, " .. while processing entry '%s' condition '%s'.", key, k2);
975 /* If the condition was false, try another. */
978 /* If we cannot unlistify the contents, bail. */
979 if (unlistify_help(key, iter_data(it), extra))
983 /* If none of the conditions apply, just omit the entry. */
992 open_helpfile(const char *fname, expand_func_t expand)
996 dict_t db = parse_database(fname);
997 hf = calloc(1, sizeof(*hf));
999 hf->db = alloc_database();
1000 dict_set_free_keys(hf->db, free);
1001 if ((slash = strrchr(fname, '/'))) {
1002 hf->name = strdup(slash + 1);
1004 hf->name = strdup(fname);
1005 dict_insert(language_find("C")->helpfiles, hf->name, hf);
1008 dict_foreach(db, unlistify_help, hf->db);
1014 void close_helpfile(struct helpfile *hf)
1018 free((char*)hf->name);
1019 free_database(hf->db);
1023 void message_register_table(const struct message_entry *table)
1027 while (table->msgid) {
1028 dict_insert(lang_C->messages, table->msgid, (char*)table->format);
1033 void helpfile_init(void)
1035 message_register_table(msgtab);
1036 language_read_list();
1039 static void helpfile_read_languages(void)
1044 language_read_list();
1045 for (it = dict_first(languages); it; it = iter_next(it))
1046 language_read(iter_key(it));
1048 /* If the user has a strings.db in their languages directory,
1049 * allow that to override C language strings.
1051 dict = parse_database("languages/strings.db");
1053 language_set_messages(lang_C, dict);
1054 free_database(dict);
1058 void helpfile_finalize(void)
1060 conf_register_reload(helpfile_read_languages);
1061 reg_exit_func(language_cleanup);