blender/intern/locale/boost_locale_wrapper.cpp

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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) 2012, Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Bastien Montagne.
*
* ***** END GPL LICENSE BLOCK *****
*
*/
#include <stdio.h>
#include <boost/locale.hpp>
#include "boost_locale_wrapper.h"
static std::string messages_path;
static std::string default_domain;
static std::string locale_str;
void bl_locale_init(const char *_messages_path, const char *_default_domain)
{
// Avoid using ICU backend, we do not need its power and it's rather heavy!
boost::locale::localization_backend_manager lman = boost::locale::localization_backend_manager::global();
#if defined (_WIN32)
lman.select("winapi");
#else
lman.select("posix");
#endif
boost::locale::localization_backend_manager::global(lman);
messages_path = _messages_path;
default_domain = _default_domain;
}
void bl_locale_set(const char *locale)
{
boost::locale::generator gen;
std::locale _locale;
// Specify location of dictionaries.
gen.add_messages_path(messages_path);
gen.add_messages_domain(default_domain);
//gen.set_default_messages_domain(default_domain);
try {
if (locale && locale[0]) {
_locale = gen(locale);
}
else {
#if defined(__APPLE__) && !defined(WITH_HEADLESS) && !defined(WITH_GHOST_SDL)
extern char GHOST_user_locale[128]; // pulled from Ghost_SystemCocoa
std::string locale_osx = GHOST_user_locale + std::string(".UTF-8");
_locale = gen(locale_osx.c_str());
#else
_locale = gen("");
#endif
}
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std::locale::global(_locale);
// Note: boost always uses "C" LC_NUMERIC by default!
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// Generate the locale string (useful to know which locale we are actually using in case of "default" one).
#define LOCALE_INFO std::use_facet<boost::locale::info>(_locale)
locale_str = LOCALE_INFO.language();
if (LOCALE_INFO.country() != "") {
locale_str += "_" + LOCALE_INFO.country();
}
if (LOCALE_INFO.variant() != "") {
locale_str += "@" + LOCALE_INFO.variant();
}
#undef LOCALE_INFO
}
catch(std::exception const &e) {
std::cout << "bl_locale_set(" << locale << "): " << e.what() << " \n";
}
}
const char *bl_locale_get(void)
{
return locale_str.c_str();
}
const char *bl_locale_pgettext(const char *msgctxt, const char *msgid)
{
// Note: We cannot use short stuff like boost::locale::gettext, because those return
// std::basic_string objects, which c_ptr()-returned char* is no more valid
// once deleted (which happens as soons they are out of scope of this func).
typedef boost::locale::message_format<char> char_message_facet;
try {
std::locale l;
char_message_facet const &facet = std::use_facet<char_message_facet>(l);
char const *r = facet.get(0, msgctxt, msgid);
if (r)
return r;
return msgid;
}
catch(std::bad_cast const &e) { /* if std::has_facet<char_message_facet>(l) == false, LC_ALL = "C" case */
// std::cout << "bl_locale_pgettext(" << msgid << "): " << e.what() << " \n";
return msgid;
}
catch(std::exception const &e) {
// std::cout << "bl_locale_pgettext(" << msgctxt << ", " << msgid << "): " << e.what() << " \n";
return msgid;
}
}