]>
jfr.im git - irc/evilnet/x3.git/blob - src/helpfile.c
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
)))
176 if (!(lang
= dict_find(languages
, name
, NULL
)))
177 lang
= language_alloc(name
);
179 /* Find the parent language. */
180 snprintf(filename
, sizeof(filename
), "languages/%s/parent", name
);
181 if (!(file
= fopen(filename
, "r"))
182 || !fgets(filename
, sizeof(filename
), file
)) {
183 strcpy(filename
, "C");
185 if (!(lang
->parent
= language_find(filename
))) {
186 uscore
= strchr(filename
, '_');
189 lang
->parent
= language_find(filename
);
192 lang
->parent
= lang_C
;
195 /* (Re-)initialize the language's dicts. */
196 dict_delete(lang
->messages
);
197 lang
->messages
= dict_new();
198 dict_set_free_keys(lang
->messages
, free
);
199 dict_set_free_data(lang
->messages
, free
);
200 lang
->helpfiles
= dict_new();
201 dict_set_free_data(lang
->helpfiles
, language_free_helpfile
);
203 /* Read all the translations from the directory. */
204 while ((dirent
= readdir(dir
))) {
205 snprintf(filename
, sizeof(filename
), "languages/%s/%s", name
, dirent
->d_name
);
206 if (!strcmp(dirent
->d_name
,"parent")) {
208 } else if (!strcmp(dirent
->d_name
, "strings.db")) {
209 dict
= parse_database(filename
);
210 language_set_messages(lang
, dict
);
212 } else if ((hf
= dict_find(lang_C
->helpfiles
, dirent
->d_name
, NULL
))) {
213 hf
= open_helpfile(filename
, hf
->expand
);
214 dict_insert(lang
->helpfiles
, hf
->name
, hf
);
223 static void language_read_list(void)
225 struct dirent
*dirent
;
228 if (!(dir
= opendir("languages")))
230 while ((dirent
= readdir(dir
))) {
231 if (dirent
->d_name
[0] == '.')
233 #ifdef HAVE_DIRENT_D_TYPE
234 if (dirent
->d_type
!= DT_DIR
)
238 char namebuf
[MAXLEN
];
240 snprintf(namebuf
, sizeof(namebuf
), "languages/%s", dirent
->d_name
);
241 if (stat(namebuf
, &sbuf
) < 0)
243 if (!S_ISDIR(sbuf
.st_mode
))
247 language_alloc(dirent
->d_name
);
252 const char *language_find_message(struct language
*lang
, const char *msgid
) {
253 struct language
*curr
;
257 for (curr
= lang
; curr
; curr
= curr
->parent
)
258 if ((msg
= dict_find(curr
->messages
, msgid
, NULL
)))
260 log_module(MAIN_LOG
, LOG_ERROR
, "Tried to find unregistered message \"%s\" (original language %s)", msgid
, lang
->name
);
265 table_send(struct userNode
*from
, const char *to
, unsigned int size
, irc_send_func irc_send
, struct helpfile_table table
) {
266 unsigned int ii
, jj
, len
, nreps
, reps
, tot_width
, pos
, spaces
, *max_width
;
267 char line
[MAX_LINE_SIZE
+1];
268 struct handle_info
*hi
;
270 if (IsChannelName(to
) || *to
== '$') {
274 message_dest
= GetUserH(to
);
276 log_module(MAIN_LOG
, LOG_ERROR
, "Unable to find user with nickname %s (in table_send from %s).", to
, from
->nick
);
279 hi
= message_dest
->handle_info
;
280 #ifdef WITH_PROTOCOL_P10
281 to
= message_dest
->numeric
;
284 message_source
= from
;
286 /* If size or irc_send are 0, we should try to use a default. */
290 size
= DEFAULT_TABLE_SIZE
;
291 else if (hi
->table_width
)
292 size
= hi
->table_width
;
293 else if (hi
->screen_width
)
294 size
= hi
->screen_width
;
296 size
= DEFAULT_TABLE_SIZE
;
299 {} /* use that function */
301 irc_send
= HANDLE_FLAGGED(hi
, USE_PRIVMSG
) ? irc_privmsg
: irc_notice
;
303 irc_send
= IsChannelName(to
) ? irc_privmsg
: irc_notice
;
305 /* Limit size to how much we can show at once */
306 if (size
> sizeof(line
))
309 /* Figure out how wide columns should be */
310 max_width
= alloca(table
.width
* sizeof(int));
311 for (jj
=tot_width
=0; jj
<table
.width
; jj
++) {
312 /* Find the widest width for this column */
314 for (ii
=0; ii
<table
.length
; ii
++) {
315 len
= strlen(table
.contents
[ii
][jj
]);
316 if (len
> max_width
[jj
])
319 /* Separate columns with spaces */
320 tot_width
+= max_width
[jj
] + 1;
322 /* How many rows to put in a line? */
323 if ((table
.flags
& TABLE_REPEAT_ROWS
) && (size
> tot_width
))
324 nreps
= size
/ tot_width
;
327 /* Send headers line.. */
328 if (table
.flags
& TABLE_NO_HEADERS
) {
331 /* Sending headers needs special treatment: either show them
332 * once, or repeat them as many times as we repeat the columns
334 for (pos
=ii
=0; ii
<((table
.flags
& TABLE_REPEAT_HEADERS
)?nreps
:1); ii
++) {
336 len
= strlen(table
.contents
[0][jj
]);
337 spaces
= max_width
[jj
] - len
;
338 if (table
.flags
& TABLE_PAD_LEFT
)
341 memcpy(line
+pos
, table
.contents
[0][jj
], len
);
343 if (++jj
== table
.width
)
345 if (!(table
.flags
& TABLE_PAD_LEFT
))
352 irc_send(from
, to
, line
);
355 /* Send the table. */
356 for (jj
=0, pos
=0, reps
=0; ii
<table
.length
; ) {
358 len
= strlen(table
.contents
[ii
][jj
]);
359 spaces
= max_width
[jj
] - len
;
360 if (table
.flags
& TABLE_PAD_LEFT
)
361 while (spaces
--) line
[pos
++] = ' ';
362 memcpy(line
+pos
, table
.contents
[ii
][jj
], len
);
364 if (++jj
== table
.width
) {
365 jj
= 0, ++ii
, ++reps
;
366 if ((reps
== nreps
) || (ii
== table
.length
)) {
368 irc_send(from
, to
, line
);
373 if (!(table
.flags
& TABLE_PAD_LEFT
))
379 if (!(table
.flags
& TABLE_NO_FREE
)) {
380 /* Deallocate table memory (but not the string memory). */
381 for (ii
=0; ii
<table
.length
; ii
++)
382 free(table
.contents
[ii
]);
383 free(table
.contents
);
388 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
)
390 void (*irc_send
)(struct userNode
*from
, const char *to
, const char *msg
);
391 static struct string_buffer input
;
392 unsigned int size
, ipos
, pos
, length
, chars_sent
, use_color
;
393 unsigned int expand_pos
, expand_ipos
, newline_ipos
;
394 char line
[MAX_LINE_SIZE
];
396 if (IsChannelName(dest
) || *dest
== '$') {
398 } else if (!(message_dest
= GetUserH(dest
))) {
399 log_module(MAIN_LOG
, LOG_ERROR
, "Unable to find user with nickname %s (in vsend_message from %s).", dest
, src
->nick
);
401 } else if (message_dest
->dead
) {
402 /* No point in sending to a user who is leaving. */
405 #ifdef WITH_PROTOCOL_P10
406 dest
= message_dest
->numeric
;
409 message_source
= src
;
410 if (!(msg_type
& 4) && !(format
= handle_find_message(handle
, format
)))
412 /* fill in a buffer with the string */
414 string_buffer_append_vprintf(&input
, format
, al
);
416 /* figure out how to send the messages */
418 msg_type
|= (HANDLE_FLAGGED(handle
, USE_PRIVMSG
) ? 1 : 0);
419 use_color
= HANDLE_FLAGGED(handle
, MIRC_COLOR
);
420 size
= handle
->screen_width
;
421 if (size
> sizeof(line
))
428 size
= DEFAULT_LINE_SIZE
;
429 switch (msg_type
& 3) {
431 irc_send
= irc_notice
;
434 irc_send
= irc_wallchops
;
438 irc_send
= irc_privmsg
;
441 /* This used to be two passes, but if you do that and allow
442 * arbitrary sizes for ${}-expansions (as with help indexes),
443 * that requires a very big intermediate buffer.
445 expand_ipos
= newline_ipos
= ipos
= 0;
446 expand_pos
= pos
= 0;
448 while (input
.list
[ipos
]) {
449 char ch
, *value
, *free_value
;
451 while ((ch
= input
.list
[ipos
]) && (ch
!= '$') && (ch
!= '\n') && (pos
< size
)) {
456 if (!input
.list
[ipos
])
458 if (input
.list
[ipos
] == '\n') {
463 unsigned int new_ipos
;
464 /* Scan backwards for a space in the input, until we hit
465 * either the last newline or the last variable expansion.
466 * Print the line up to that point, and start from there.
468 for (new_ipos
= ipos
;
469 (new_ipos
> expand_ipos
) && (new_ipos
> newline_ipos
);
471 if (input
.list
[new_ipos
] == ' ')
473 pos
-= ipos
- new_ipos
;
474 if (new_ipos
== newline_ipos
) {
475 /* Single word was too big to fit on one line; skip
476 * forward to its end and print it as a whole.
478 while (input
.list
[new_ipos
]
479 && (input
.list
[new_ipos
] != ' ')
480 && (input
.list
[new_ipos
] != '\n')
481 && (input
.list
[new_ipos
] != '$'))
482 line
[pos
++] = input
.list
[new_ipos
++];
485 while (input
.list
[ipos
] == ' ')
491 switch (input
.list
[++ipos
]) {
492 /* Literal '$' or end of string. */
498 /* The following two expand to mIRC color codes if enabled
501 value
= use_color
? "\002" : "";
504 value
= use_color
? "\017" : "";
507 value
= use_color
? "\026" : "";
510 value
= use_color
? "\037" : "";
517 value
= global
? global
->nick
: "Global";
520 value
= chanserv
? chanserv
->nick
: "ChanServ";
523 value
= opserv
? opserv
->nick
: "OpServ";
526 value
= nickserv
? nickserv
->nick
: "NickServ";
532 value
= handle
? handle
->handle
: "Account";
534 #define SEND_LINE() do { line[pos] = 0; if (pos > 0) irc_send(src, dest, line); chars_sent += pos; pos = 0; newline_ipos = ipos; } while (0)
535 /* Custom expansion handled by helpfile-specific function. */
538 struct helpfile_expansion exp
;
539 char *name_end
= input
.list
+ ipos
+ 1, *colon
= NULL
;
541 while (*name_end
!= '}' && *name_end
!= ')' && *name_end
) {
542 if (*name_end
== ':') {
552 struct module *module = module_find(input
.list
+ ipos
+ 1);
553 if (module && module->expand_help
)
554 exp
= module->expand_help(colon
+ 1);
560 exp
= expand_f(input
.list
+ ipos
+ 1);
565 free_value
= value
= exp
.value
.str
;
570 /* Must send current line, then emit table. */
572 table_send(src
, (message_dest
? message_dest
->nick
: dest
), 0, irc_send
, exp
.value
.table
);
577 log_module(MAIN_LOG
, LOG_ERROR
, "Invalid exp.type %d from expansion function %p.", exp
.type
, expand_f
);
580 ipos
= name_end
- input
.list
;
587 value
[1] = input
.list
[ipos
];
591 while ((pos
+ strlen(value
) > size
) || strchr(value
, '\n')) {
593 avail
= size
- pos
- 1;
594 length
= strcspn(value
, "\n ");
595 if (length
<= avail
) {
596 strncpy(line
+pos
, value
, length
);
599 /* copy over spaces, until (possible) end of line */
600 while (*value
== ' ') {
602 line
[pos
++] = *value
;
606 /* word to send is too big to send now.. what to do? */
608 /* try to put it on a separate line */
611 /* already at start of line; only send part of it */
612 strncpy(line
, value
, avail
);
615 /* skip any trailing spaces */
616 while (*value
== ' ')
620 /* if we're looking at a newline, send the accumulated text */
621 if (*value
== '\n') {
626 length
= strlen(value
);
627 memcpy(line
+ pos
, value
, length
);
631 if ((pos
< size
-1) && input
.list
[ipos
]) {
646 send_message(struct userNode
*dest
, struct userNode
*src
, const char *format
, ...)
651 if (IsLocal(dest
)) return 0;
652 va_start(ap
, format
);
653 res
= vsend_message(dest
->nick
, src
, dest
->handle_info
, 0, NULL
, format
, ap
);
659 send_message_type(int msg_type
, struct userNode
*dest
, struct userNode
*src
, const char *format
, ...) {
663 if (IsLocal(dest
)) return 0;
664 va_start(ap
, format
);
665 res
= vsend_message(dest
->nick
, src
, dest
->handle_info
, msg_type
, NULL
, format
, ap
);
671 send_target_message(int msg_type
, const char *dest
, struct userNode
*src
, const char *format
, ...)
676 va_start(ap
, format
);
677 res
= vsend_message(dest
, src
, NULL
, msg_type
, NULL
, format
, ap
);
683 _send_help(struct userNode
*dest
, struct userNode
*src
, expand_func_t expand
, const char *format
, ...)
688 va_start(ap
, format
);
689 res
= vsend_message(dest
->nick
, src
, dest
->handle_info
, 4, expand
, format
, ap
);
695 send_help(struct userNode
*dest
, struct userNode
*src
, struct helpfile
*hf
, const char *topic
)
697 struct helpfile
*lang_hf
;
698 struct record_data
*rec
;
699 struct language
*curr
;
704 _send_help(dest
, src
, NULL
, "HFMSG_MISSING_HELPFILE");
707 for (curr
= (dest
->handle_info
? dest
->handle_info
->language
: lang_C
);
709 curr
= curr
->parent
) {
710 lang_hf
= dict_find(curr
->helpfiles
, hf
->name
, NULL
);
713 rec
= dict_find(lang_hf
->db
, topic
, NULL
);
714 if (rec
&& rec
->type
== RECDB_QSTRING
)
715 return _send_help(dest
, src
, hf
->expand
, rec
->d
.qstring
);
717 rec
= dict_find(hf
->db
, "<missing>", NULL
);
719 return send_message(dest
, src
, "MSG_TOPIC_UNKNOWN");
720 if (rec
->type
!= RECDB_QSTRING
)
721 return send_message(dest
, src
, "HFMSG_HELP_NOT_STRING");
722 return _send_help(dest
, src
, hf
->expand
, rec
->d
.qstring
);
725 /* Grammar supported by this parser:
726 * condition = expr | prefix expr
727 * expr = atomicexpr | atomicexpr op atomicexpr
728 * op = '&&' | '||' | 'and' | 'or'
729 * atomicexpr = '(' expr ')' | identifier
730 * identifier = ( '0'-'9' 'A'-'Z' 'a'-'z' '-' '_' '/' )+ | ! identifier
732 * Whitespace is ignored. The parser is implemented as a recursive
733 * descent parser by functions like:
734 * static int helpfile_eval_<element>(const char *start, const char **end);
743 static const struct {
746 } helpfile_operators
[] = {
747 { "&&", OP_BOOL_AND
},
748 { "and", OP_BOOL_AND
},
749 { "||", OP_BOOL_OR
},
750 { "or", OP_BOOL_OR
},
754 static const char *identifier_chars
= "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_/";
756 static int helpfile_eval_expr(const char *start
, const char **end
);
757 static int helpfile_eval_atomicexpr(const char *start
, const char **end
);
758 static int helpfile_eval_identifier(const char *start
, const char **end
);
761 helpfile_eval_identifier(const char *start
, const char **end
)
763 /* Skip leading whitespace. */
764 while (isspace(*start
) && (start
< *end
))
767 log_module(MAIN_LOG
, LOG_FATAL
, "Expected identifier in helpfile condition.");
771 if (start
[0] == '!') {
772 int res
= helpfile_eval_identifier(start
+1, end
);
776 } else if (start
[0] == '/') {
778 char *id_str
, *value
;
781 strchr(identifier_chars
, sep
[0]) && (sep
< *end
);
783 memcpy(id_str
= alloca(sep
+1-start
), start
, sep
-start
);
784 id_str
[sep
-start
] = '\0';
785 value
= conf_get_data(id_str
+1, RECDB_QSTRING
);
789 return enabled_string(value
) || true_string(value
);
790 } else if ((*end
- start
>= 4) && !ircncasecmp(start
, "true", 4)) {
793 } else if ((*end
- start
>= 5) && !ircncasecmp(start
, "false", 5)) {
797 log_module(MAIN_LOG
, LOG_FATAL
, "Unexpected helpfile identifier '%.*s'.", *end
-start
, start
);
803 helpfile_eval_atomicexpr(const char *start
, const char **end
)
808 /* Skip leading whitespace. */
809 while (isspace(*start
) && (start
< *end
))
812 log_module(MAIN_LOG
, LOG_FATAL
, "Expected atomic expression in helpfile condition.");
816 /* If it's not parenthesized, it better be a valid identifier. */
818 return helpfile_eval_identifier(start
, end
);
820 /* Parse the internal expression. */
823 res
= helpfile_eval_expr(start
, &sep
);
825 /* Check for the closing parenthesis. */
826 while (isspace(*sep
) && (sep
< *end
))
828 if ((sep
== *end
) || (sep
[0] != ')')) {
829 log_module(MAIN_LOG
, LOG_FATAL
, "Expected close parenthesis at '%.*s'.", *end
-sep
, sep
);
833 /* Report the end location and result. */
839 helpfile_eval_expr(const char *start
, const char **end
)
841 const char *sep
, *sep2
;
842 unsigned int ii
, len
;
846 /* Parse the first atomicexpr. */
848 res_a
= helpfile_eval_atomicexpr(start
, &sep
);
852 /* Figure out what follows that. */
853 while (isspace(*sep
) && (sep
< *end
))
858 for (ii
= 0; helpfile_operators
[ii
].str
; ++ii
) {
859 len
= strlen(helpfile_operators
[ii
].str
);
860 if (ircncasecmp(sep
, helpfile_operators
[ii
].str
, len
))
862 op
= helpfile_operators
[ii
].op
;
865 if (op
== OP_INVALID
) {
866 log_module(MAIN_LOG
, LOG_FATAL
, "Unrecognized helpfile operator at '%.*s'.", *end
-sep
, sep
);
870 /* Parse the next atomicexpr. */
872 res_b
= helpfile_eval_atomicexpr(sep
, &sep2
);
876 /* Make sure there's no trailing garbage */
877 while (isspace(*sep2
) && (sep2
< *end
))
880 log_module(MAIN_LOG
, LOG_FATAL
, "Trailing garbage in helpfile expression: '%.*s'.", *end
-sep2
, sep2
);
884 /* Record where we stopped parsing. */
887 /* Do the logic on the subexpressions. */
890 return res_a
&& res_b
;
892 return res_a
|| res_b
;
899 helpfile_eval_condition(const char *start
, const char **end
)
903 /* Skip the prefix if there is one. */
904 for (term
= start
; isalnum(*term
) && (term
< *end
); ++term
) ;
906 if ((term
+ 2 >= *end
) || (term
[0] != ':') || (term
[1] != ' ')) {
907 log_module(MAIN_LOG
, LOG_FATAL
, "In helpfile condition '%.*s' expected prefix to end with ': '.", *end
-start
, start
);
913 /* Evaluate the remaining string as an expression. */
914 return helpfile_eval_expr(start
, end
);
918 unlistify_help(const char *key
, void *data
, void *extra
)
920 struct record_data
*rd
= data
;
921 dict_t newdb
= extra
;
925 dict_insert(newdb
, strdup(key
), alloc_record_data_qstring(GET_RECORD_QSTRING(rd
)));
927 case RECDB_STRING_LIST
: {
928 struct string_list
*slist
= GET_RECORD_STRING_LIST(rd
);
930 unsigned int totlen
, len
, i
;
932 for (i
=totlen
=0; i
<slist
->used
; i
++)
933 totlen
= totlen
+ strlen(slist
->list
[i
]) + 1;
934 dest
= alloca(totlen
+1);
935 for (i
=totlen
=0; i
<slist
->used
; i
++) {
936 len
= strlen(slist
->list
[i
]);
937 memcpy(dest
+totlen
, slist
->list
[i
], len
);
938 dest
[totlen
+len
] = '\n';
939 totlen
= totlen
+ len
+ 1;
942 dict_insert(newdb
, strdup(key
), alloc_record_data_qstring(dest
));
948 for (it
= dict_first(GET_RECORD_OBJECT(rd
)); it
; it
= iter_next(it
)) {
949 const char *k2
, *end
;
952 /* Evaluate the expression for this subentry. */
954 end
= k2
+ strlen(k2
);
955 res
= helpfile_eval_condition(k2
, &end
);
956 /* If the evaluation failed, bail. */
958 log_module(MAIN_LOG
, LOG_FATAL
, " .. while processing entry '%s' condition '%s'.", key
, k2
);
961 /* If the condition was false, try another. */
964 /* If we cannot unlistify the contents, bail. */
965 if (unlistify_help(key
, iter_data(it
), extra
))
969 /* If none of the conditions apply, just omit the entry. */
978 open_helpfile(const char *fname
, expand_func_t expand
)
982 dict_t db
= parse_database(fname
);
983 hf
= calloc(1, sizeof(*hf
));
985 hf
->db
= alloc_database();
986 dict_set_free_keys(hf
->db
, free
);
987 if ((slash
= strrchr(fname
, '/'))) {
988 hf
->name
= strdup(slash
+ 1);
990 hf
->name
= strdup(fname
);
991 dict_insert(language_find("C")->helpfiles
, hf
->name
, hf
);
994 dict_foreach(db
, unlistify_help
, hf
->db
);
1000 void close_helpfile(struct helpfile
*hf
)
1004 free((char*)hf
->name
);
1005 free_database(hf
->db
);
1009 void message_register_table(const struct message_entry
*table
)
1013 while (table
->msgid
) {
1014 dict_insert(lang_C
->messages
, table
->msgid
, (char*)table
->format
);
1019 void helpfile_init(void)
1021 message_register_table(msgtab
);
1022 language_read_list();
1025 void helpfile_finalize(void)
1028 for (it
= dict_first(languages
); it
; it
= iter_next(it
))
1029 language_read(iter_key(it
));
1030 reg_exit_func(language_cleanup
);