Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/help.c @ 882:c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Fix changeset b38760d9ec2d, I didn't see there was a datadir variable.
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sat, 27 May 2006 18:53:56 +0200 |
| parents | b38760d9ec2d |
| children | 94bb9e40e40b |
| rev | line source |
|---|---|
| 868 | 1 /* |
| 2 * help.c -- Help command | |
| 3 * | |
| 4 * Copyright (C) 2006 Mikael Berthe <bmikael@lists.lilotux.net> | |
| 5 * | |
| 6 * This program 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 (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 19 * USA | |
| 20 */ | |
| 21 | |
| 22 #include <stdio.h> | |
| 23 #include <stdlib.h> | |
| 24 #include <string.h> | |
| 25 #include <ctype.h> | |
| 26 #include <glib.h> | |
| 27 | |
| 28 #include "settings.h" | |
| 29 #include "logprint.h" | |
| 30 #include "utils.h" | |
| 31 | |
| 32 #define DEFAULT_LANG "en" | |
| 33 | |
| 34 // get_lang() | |
| 35 // Return the language code string (a 2-letters string). | |
| 36 static const char *get_lang(void) { | |
| 37 static const char *lang_str = DEFAULT_LANG; | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
38 #ifdef DATA_DIR |
| 868 | 39 static char lang[3]; |
| 40 const char *opt_l; | |
| 41 opt_l = settings_opt_get("lang"); | |
| 42 if (opt_l && strlen(opt_l) == 2 && isalpha(opt_l[0]) && isalpha(opt_l[1])) { | |
| 43 strncpy(lang, opt_l, sizeof(lang)); | |
| 44 mc_strtolower(lang); | |
| 45 lang_str = lang; | |
| 46 } | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
47 #endif /* DATA_DIR */ |
| 868 | 48 return lang_str; |
| 49 } | |
| 50 | |
| 51 // help_process(string) | |
| 52 // Display help about the "string" command. | |
| 53 // If string is null, display general help. | |
| 54 // Return 0 in case of success. | |
| 55 int help_process(char *string) | |
| 56 { | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
57 #ifndef DATA_DIR |
| 868 | 58 scr_LogPrint(LPRINT_NORMAL, "Help isn't available."); |
| 59 return -1; | |
| 60 #else | |
| 61 const char *lang; | |
| 62 FILE *fp; | |
| 63 char *helpfiles_dir, *filename; | |
| 64 char *data; | |
| 65 const int datasize = 4096; | |
| 66 char *p; | |
| 67 | |
| 68 // Check string is ok | |
| 69 for (p = string; p && *p; p++) { | |
| 70 if (!isalnum(*p) && *p != '_' && *p != '-') { | |
| 71 scr_LogPrint(LPRINT_NORMAL, "Cannot find help (invalid keyword)."); | |
| 72 return 1; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 // Look for help file | |
| 77 lang = get_lang(); | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
78 helpfiles_dir = g_strdup_printf("%s/mcabber/help", DATA_DIR); |
| 868 | 79 if (string && *string) { |
| 80 p = g_strdup(string); | |
| 81 mc_strtolower(p); | |
| 82 filename = g_strdup_printf("%s/%s/hlp_%s.txt", helpfiles_dir, lang, p); | |
| 83 g_free(p); | |
| 84 } else | |
| 85 filename = g_strdup_printf("%s/%s/hlp.txt", helpfiles_dir, lang); | |
| 86 | |
| 87 fp = fopen(filename, "r"); | |
| 88 g_free(filename); | |
| 89 g_free(helpfiles_dir); | |
| 90 | |
| 91 if (!fp) { | |
| 92 scr_LogPrint(LPRINT_NORMAL, "No help found."); | |
| 93 return -1; | |
| 94 } | |
| 95 | |
| 96 data = g_new(char, datasize); | |
| 97 while (!feof(fp)) { | |
| 98 if (fgets(data, datasize, fp) == NULL) break; | |
| 99 // Strip trailing newline | |
| 100 for (p = data; *p; p++) ; | |
| 101 if (p > data) | |
| 102 p--; | |
| 103 if (*p == '\n' || *p == '\r') | |
| 104 *p = '\0'; | |
| 105 // Displaty the help line | |
| 106 scr_LogPrint(LPRINT_NORMAL, "%s", data); | |
| 107 } | |
| 108 fclose(fp); | |
| 109 g_free(data); | |
| 110 | |
| 111 return 0; | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
112 #endif /* DATA_DIR */ |
| 868 | 113 } |
| 114 | |
| 115 | |
| 116 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |