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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
* Contributor(s): Blender Foundation.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenfont/intern/blf_lang.c
* \ingroup blf
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "RNA_types.h"
#include "BLF_translation.h" /* own include */
#include "BLI_fileops.h"
#include "BLI_linklist.h"
#include "BLI_path_util.h"
#include "BLI_string.h"
#include "BKE_global.h"
#include "DNA_userdef_types.h"
#include "MEM_guardedalloc.h"
#ifdef WITH_INTERNATIONAL
#include "boost_locale_wrapper.h"
/* Locale options. */
static const char **locales = NULL;
static int num_locales = 0;
static EnumPropertyItem *locales_menu = NULL;
static int num_locales_menu = 0;
static void free_locales(void)
{
if (locales) {
int idx = num_locales_menu - 1; /* Last item does not need to be freed! */
while (idx--) {
MEM_freeN((void *)locales_menu[idx].identifier);
MEM_freeN((void *)locales_menu[idx].name);
MEM_freeN((void *)locales_menu[idx].description); /* Also frees locales's relevant value! */
}
MEM_freeN((void *)locales);
locales = NULL;
}
if (locales_menu) {
MEM_freeN(locales_menu);
locales_menu = NULL;
}
num_locales = num_locales_menu = 0;
}
static void fill_locales(void)
{
const char * const languages_path = BLI_get_folder(BLENDER_DATAFILES, "locale");
char languages[FILE_MAX];
LinkNode *lines = NULL, *line;
char *str;
int idx = 0;
free_locales();
BLI_join_dirfile(languages, FILE_MAX, languages_path, "languages");
line = lines = BLI_file_read_as_lines(languages);
/* This whole "parsing" code is a bit weak, in that it expects strictly formated input file...
* Should not be a problem, though, as this file is script-generated! */
/* First loop to find highest locale ID */
while (line) {
int t;
str = (char *)line->link;
if (str[0] == '#' || str[0] == '\0') {
line = line->next;
continue; /* Comment or void... */
}
t = atoi(str);
if (t >= num_locales)
num_locales = t + 1;
num_locales_menu++;
line = line->next;
}
num_locales_menu++; /* The "closing" void item... */
/* And now, build locales and locale_menu! */
locales_menu = MEM_callocN(num_locales_menu * sizeof(EnumPropertyItem), __func__);
line = lines;
/* Do not allocate locales with zero-sized mem, as LOCALE macro uses NULL locales as invalid marker! */
if (num_locales > 0) {
locales = MEM_callocN(num_locales * sizeof(char *), __func__);
while (line) {
int id;
char *loc, *sep1, *sep2, *sep3;
str = (char *)line->link;
if (str[0] == '#' || str[0] == '\0') {
line = line->next;
continue;
}
id = atoi(str);
sep1 = strchr(str, ':');
if (sep1) {
sep1++;
sep2 = strchr(sep1, ':');
if (sep2) {
locales_menu[idx].value = id;
locales_menu[idx].icon = 0;
locales_menu[idx].name = BLI_strdupn(sep1, sep2 - sep1);
sep2++;
sep3 = strchr(sep2, ':');
if (sep3) {
locales_menu[idx].identifier = loc = BLI_strdupn(sep2, sep3 - sep2);
}
else {
locales_menu[idx].identifier = loc = BLI_strdup(sep2);
}
if (id == 0) {
/* The DEFAULT item... */
if (BLI_strnlen(loc, 2)) {
locales[id] = locales_menu[idx].description = BLI_strdup("");
}
/* Menu "label", not to be stored in locales! */
else {
locales_menu[idx].description = BLI_strdup("");
}
}
else {
locales[id] = locales_menu[idx].description = BLI_strdup(loc);
}
idx++;
}
}
line = line->next;
}
}
/* Add closing item to menu! */
locales_menu[idx].identifier = NULL;
locales_menu[idx].value = locales_menu[idx].icon = 0;
locales_menu[idx].name = locales_menu[idx].description = "";
BLI_file_free_lines(lines);
}
#endif /* WITH_INTERNATIONAL */
EnumPropertyItem *BLF_RNA_lang_enum_properties(void)
{
#ifdef WITH_INTERNATIONAL
return locales_menu;
#else
return NULL;
#endif
}
void BLF_lang_init(void)
{
#ifdef WITH_INTERNATIONAL
const char * const messagepath = BLI_get_folder(BLENDER_DATAFILES, "locale");
if (messagepath) {
bl_locale_init(messagepath, TEXT_DOMAIN_NAME);
fill_locales();
}
else {
printf("%s: 'locale' data path for translations not found, continuing\n", __func__);
}
#else
#endif
}
void BLF_lang_free(void)
{
#ifdef WITH_INTERNATIONAL
free_locales();
#else
#endif
}
#ifdef WITH_INTERNATIONAL
# define ULANGUAGE ((U.language >= 0 && U.language < num_locales) ? U.language : 0)
# define LOCALE(_id) (locales ? locales[(_id)] : "")
#endif
void BLF_lang_set(const char *str)
{
#ifdef WITH_INTERNATIONAL
int ulang = ULANGUAGE;
const char *short_locale = str ? str : LOCALE(ulang);
const char *short_locale_utf8 = NULL;
if ((U.transopts & USER_DOTRANSLATE) == 0)
return;
/* We want to avoid locales like '.UTF-8'! */
if (short_locale[0]) {
/* Hurrey! encoding needs to be placed *before* variant! */
char *variant = strchr(short_locale, '@');
if (variant) {
char *locale = BLI_strdupn(short_locale, variant - short_locale);
short_locale_utf8 = BLI_sprintfN("%s.UTF-8%s", locale, variant);
MEM_freeN(locale);
}
else {
short_locale_utf8 = BLI_sprintfN("%s.UTF-8", short_locale);
}
}
else {
short_locale_utf8 = short_locale;
}
bl_locale_set(short_locale_utf8);
if (short_locale[0]) {
MEM_freeN((void *)short_locale_utf8);
}
#else
(void)str;
#endif
}
/* Get the current locale (short code, e.g. es_ES). */
const char *BLF_lang_get(void)
{
#ifdef WITH_INTERNATIONAL
const char *locale = LOCALE(ULANGUAGE);
if (locale[0] == '\0') {
/* Default locale, we have to find which one we are actually using! */
locale = bl_locale_get();
}
return locale;
#else
return "";
#endif
}
#undef LOCALE
#undef ULANGUAGE
/* Get locale's elements (if relevant pointer is not NULL and element actually exists, e.g. if there is no variant,
* *variant and *language_variant will always be NULL).
* Non-null elements are always MEM_mallocN'ed, it's the caller's responsibility to free them.
* NOTE: Keep that one always available, you never know, may become useful even in no-WITH_INTERNATIONAL context...
*/
void BLF_locale_explode(const char *locale, char **language, char **country, char **variant,
char **language_country, char **language_variant)
{
char *m1, *m2, *_t = NULL;
m1 = strchr(locale, '_');
m2 = strchr(locale, '@');
if (language || language_variant) {
if (m1 || m2) {
_t = m1 ? BLI_strdupn(locale, m1 - locale) : BLI_strdupn(locale, m2 - locale);
if (language)
*language = _t;
}
else if (language) {
*language = BLI_strdup(locale);
}
}
if (country) {
if (m1)
*country = m2 ? BLI_strdupn(m1 + 1, m2 - (m1 + 1)) : BLI_strdup(m1 + 1);
else
*country = NULL;
}
if (variant) {
if (m2)
*variant = BLI_strdup(m2 + 1);
else
*variant = NULL;
}
if (language_country) {
if (m1)
*language_country = m2 ? BLI_strdupn(locale, m2 - locale) : BLI_strdup(locale);
else
*language_country = NULL;
}
if (language_variant) {
if (m2)
*language_variant = m1 ? BLI_strdupcat(_t, m2) : BLI_strdup(locale);
else
*language_variant = NULL;
}
if (_t && !language) {
MEM_freeN(_t);
}
}
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