Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/help.c @ 1650:cd81806b5947
Try fallback language (en) when help file with current language is not found
Patch by Nixtrian, slightly modified by Mikael
| author | Nixtrian |
|---|---|
| date | Tue, 17 Nov 2009 23:09:06 +0100 |
| parents | dcd5d4c75199 |
| children |
| rev | line source |
|---|---|
| 868 | 1 /* |
| 2 * help.c -- Help command | |
| 3 * | |
| 1599 | 4 * Copyright (C) 2006-2009 Mikael Berthe <mikael@lilotux.net> |
| 868 | 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" | |
|
892
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
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31 #include "screen.h" |
| 868 | 32 |
| 33 #define DEFAULT_LANG "en" | |
| 34 | |
| 35 // get_lang() | |
| 36 // Return the language code string (a 2-letters string). | |
| 37 static const char *get_lang(void) { | |
| 38 static const char *lang_str = DEFAULT_LANG; | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
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39 #ifdef DATA_DIR |
| 868 | 40 static char lang[3]; |
| 41 const char *opt_l; | |
| 42 opt_l = settings_opt_get("lang"); | |
| 43 if (opt_l && strlen(opt_l) == 2 && isalpha(opt_l[0]) && isalpha(opt_l[1])) { | |
| 44 strncpy(lang, opt_l, sizeof(lang)); | |
| 45 mc_strtolower(lang); | |
| 46 lang_str = lang; | |
| 47 } | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
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48 #endif /* DATA_DIR */ |
| 868 | 49 return lang_str; |
| 50 } | |
| 51 | |
| 52 // help_process(string) | |
| 53 // Display help about the "string" command. | |
| 54 // If string is null, display general help. | |
| 55 // Return 0 in case of success. | |
| 56 int help_process(char *string) | |
| 57 { | |
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c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
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58 #ifndef DATA_DIR |
| 868 | 59 scr_LogPrint(LPRINT_NORMAL, "Help isn't available."); |
| 60 return -1; | |
| 61 #else | |
| 62 const char *lang; | |
| 63 FILE *fp; | |
| 64 char *helpfiles_dir, *filename; | |
| 65 char *data; | |
| 66 const int datasize = 4096; | |
|
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94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
67 int linecount = 0; |
| 868 | 68 char *p; |
| 69 | |
| 70 // Check string is ok | |
| 71 for (p = string; p && *p; p++) { | |
| 72 if (!isalnum(*p) && *p != '_' && *p != '-') { | |
| 73 scr_LogPrint(LPRINT_NORMAL, "Cannot find help (invalid keyword)."); | |
| 74 return 1; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 // Look for help file | |
| 79 lang = get_lang(); | |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
80 helpfiles_dir = g_strdup_printf("%s/mcabber/help", DATA_DIR); |
|
1650
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
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81 p = NULL; |
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
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82 |
| 868 | 83 if (string && *string) { |
| 84 p = g_strdup(string); | |
| 85 mc_strtolower(p); | |
| 86 filename = g_strdup_printf("%s/%s/hlp_%s.txt", helpfiles_dir, lang, p); | |
| 87 } else | |
| 88 filename = g_strdup_printf("%s/%s/hlp.txt", helpfiles_dir, lang); | |
| 89 | |
| 90 fp = fopen(filename, "r"); | |
|
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
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diff
changeset
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91 |
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
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92 if (!(fp) && (g_strcmp0(lang, DEFAULT_LANG)) ) { |
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
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93 g_free(filename); |
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
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94 if (p) |
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cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
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95 filename = g_strdup_printf("%s/%s/hlp_%s.txt", helpfiles_dir, DEFAULT_LANG, p); |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
96 else |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
97 filename = g_strdup_printf("%s/%s/hlp.txt", helpfiles_dir, DEFAULT_LANG); |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
98 |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
99 fp = fopen(filename, "r"); |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
100 } |
|
cd81806b5947
Try fallback language (en) when help file with current language is not found
Nixtrian
parents:
1599
diff
changeset
|
101 g_free(p); |
| 868 | 102 g_free(filename); |
| 103 g_free(helpfiles_dir); | |
| 104 | |
| 105 if (!fp) { | |
| 106 scr_LogPrint(LPRINT_NORMAL, "No help found."); | |
| 107 return -1; | |
| 108 } | |
| 109 | |
| 110 data = g_new(char, datasize); | |
| 111 while (!feof(fp)) { | |
| 112 if (fgets(data, datasize, fp) == NULL) break; | |
| 113 // Strip trailing newline | |
| 114 for (p = data; *p; p++) ; | |
| 115 if (p > data) | |
| 116 p--; | |
| 117 if (*p == '\n' || *p == '\r') | |
| 118 *p = '\0'; | |
| 119 // Displaty the help line | |
| 120 scr_LogPrint(LPRINT_NORMAL, "%s", data); | |
|
892
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
121 linecount++; |
| 868 | 122 } |
| 123 fclose(fp); | |
| 124 g_free(data); | |
| 125 | |
|
892
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
126 if (linecount) { |
|
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
127 scr_setmsgflag_if_needed(SPECIAL_BUFFER_STATUS_ID, TRUE); |
|
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
128 update_roster = TRUE; |
|
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
129 } |
|
94bb9e40e40b
Set the pending message flag on the status buffer when using /help
Mikael Berthe <mikael@lilotux.net>
parents:
882
diff
changeset
|
130 |
| 868 | 131 return 0; |
|
882
c3c2f7a0c5d5
autoconf: use datadir, not datarootdir
Mikael Berthe <mikael@lilotux.net>
parents:
877
diff
changeset
|
132 #endif /* DATA_DIR */ |
| 868 | 133 } |
| 134 | |
| 135 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |