diff options
Diffstat (limited to 'librarian/rarian-language.c')
| -rw-r--r-- | librarian/rarian-language.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/librarian/rarian-language.c b/librarian/rarian-language.c new file mode 100644 index 0000000..30a74a9 --- /dev/null +++ b/librarian/rarian-language.c @@ -0,0 +1,267 @@ +/* + * rarian-language.c + * This file is part of Rarian + * + * Copyright (C) 2006 - Don Scorgie + * + * Rarian is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Rarian is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> + +#include <rarian-language.h> +#include "rarian-utils.h" + +typedef struct _Lang Lang; + +#ifndef FALSE +#define FALSE 0 +#define TRUE !FALSE +#endif + +struct _Lang +{ + char *base; + Lang *next; + Lang *prev; +}; + +static Lang *lang_list; +static int nlangs = 0 ; + +static int +check_lang (char *lang) +{ + Lang *iter = lang_list; + + while (iter) { + if (!strcmp (iter->base, lang)) + return TRUE; + iter = iter->next; + } + return FALSE; +} + +static void +add_lang (char *language) +{ + Lang *lang = NULL; + + lang = malloc (sizeof (Lang)); + lang->base = language; + lang->prev = NULL; + if (lang_list) { + lang->next = lang_list; + lang_list->prev = lang; + } else { + lang->next = NULL; + } + lang_list = lang; + +} + +void +rrn_language_init (char *lang) +{ + char *loc = NULL; + char *current = NULL; + char *tmp = NULL; + Lang *iter = lang_list; + + if (lang == NULL) { + loc = getenv ("LANGUAGE"); + if (!loc || !strcmp (loc, "")) { + loc = getenv ("LC_ALL"); + } + if (!loc || !strcmp (loc, "")) { + loc = getenv ("LANG"); + } + + } else { + loc = strdup (lang); + } + nlangs = 0; + + if (!loc || !strcmp (loc, "")) { + loc = strdup("C"); + } + + current = loc; + do { + Lang *lang; + char *at_mod; + char *dot_mod; + char *ter_mod; + char *full_lang = NULL; + char *exploded = NULL; + + tmp = strchr (current, ':'); + + if (tmp) + full_lang = rrn_strndup (current, tmp-current); + else + full_lang = strdup (current); + + at_mod = strrchr (full_lang, '@'); + dot_mod = strrchr (full_lang, '.'); + ter_mod = strrchr (full_lang, '_'); + + /* Full lang first */ + if (!check_lang (full_lang)) { + add_lang (full_lang); + } + + /* Lang sans modifier */ + if (at_mod) { + exploded = rrn_strndup (full_lang, at_mod - full_lang); + if (!check_lang (exploded)) { + add_lang (exploded); + } + } + + /* Lang sans modifier and codeset */ + if (dot_mod) { + exploded = rrn_strndup (full_lang, dot_mod - full_lang); + if (!check_lang (exploded)) { + add_lang (exploded); + } + } + + /* Lang sans modifier, codeset and territory */ + if (ter_mod) { + exploded = rrn_strndup (full_lang, ter_mod - full_lang); + if (!check_lang (exploded)) { + add_lang (exploded); + } + } + + if (tmp) + current = tmp+1; + else + current = NULL; + } while (current); + + tmp = strdup ("C"); + if (!check_lang (tmp)) { + add_lang (tmp); + } + + iter = lang_list; + while (iter) { + Lang *tmp = iter->next; + nlangs += 1; + + iter->next = iter->prev; + iter->prev = tmp; + if (iter->prev == NULL) { + lang_list = iter; + } + iter = iter->prev; + } + iter = lang_list; + +} + +int +rrn_language_use (char *current_language, char *proposed) +{ + Lang *iter = lang_list; + + if (!lang_list) + rrn_language_init(NULL); + + iter = lang_list; + + while (iter) { + if (current_language && !strcmp (current_language, iter->base)) { + return 0; + } + if (!strcmp (proposed, iter->base)) { + return 1; + } + iter = iter->next; + } + return 0; +} + +char ** +rrn_language_get_langs (void) +{ + char **ret = NULL; + Lang *iter; + int i = 0; + + if (!lang_list) + rrn_language_init(NULL); + + iter = lang_list; + ret = malloc (sizeof (char*) * (nlangs+1)); + + while (iter) { + ret[i] = iter->base; + i++; + iter = iter->next; + } + ret[i] = NULL; + return ret; + + +} + +char ** +rrn_language_get_dirs (char *base) +{ + char **ret = NULL; + Lang *iter; + int i = 0; + + if (!lang_list) + rrn_language_init(NULL); + + iter = lang_list; + + ret = malloc (sizeof (char*) * (nlangs+1)); + + while (iter) { + char *new_path = NULL; + + new_path = malloc (sizeof (char) *(strlen(base)+9+strlen (iter->base))); + sprintf (new_path, "%s/LOCALE/%s", base, iter->base); + ret[i] = new_path; + i++; + iter = iter->next; + } + ret[i] = NULL; + return ret; +} + + +void +rrn_language_shutdown (void) +{ + Lang *iter = lang_list; + + while (iter) { + Lang *next = iter->next; + free (iter->base); + free (iter); + iter = next; + + } + lang_list = NULL; +} |