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/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#include <boost/filesystem.hpp>
#include "language.hpp"
// namespace alias for shorter class names
namespace fs = boost::filesystem;
namespace usdx
{
Language* Language::instance = NULL;
LanguageNotFound::LanguageNotFound(const std::wstring& language) :
BaseException("Language not found!"),
language(language)
{
}
const std::wstring& LanguageNotFound::get_language() const
{
return language;
}
Language::Language(void)
{
}
void remove_element(std::pair<std::wstring, std::map<std::wstring, std::wstring>*> element)
{
if (element.second) {
element.second->clear();
}
delete element.second;
element.second = NULL;
}
Language::~Language(void)
{
// clear memory for all elements in the map
std::for_each(translations.begin(), translations.end(),
remove_element);
translations.clear();
// remove reference from singleton to make regeneration possible
instance = NULL;
}
Language* Language::get_instance(void)
{
if (instance == NULL) {
instance = new Language();
}
return instance;
}
void Language::load_language(const std::wstring& language)
{
// TODO
}
void Language::init(const fs::wpath& language_dir)
{
if (!is_directory(language_dir)) {
return;
}
this->language_dir = language_dir;
// default construction yields past-the-end
fs::wdirectory_iterator end_it;
for (fs::wdirectory_iterator it(language_dir); it != end_it; ++it)
{
if (!is_directory(it->status()))
{
if (extension(it->path()) == L".ini")
{
translations[basename(it->path())] = NULL;
}
}
}
}
void Language::set_language(const std::wstring& language)
{
std::map<std::wstring, std::map<std::wstring, std::wstring>*>::iterator it = translations.find(language);
if (it == translations.end()) {
throw LanguageNotFound(language);
}
if (it->second == NULL) {
load_language(language);
}
current_language_name = std::wstring(language);
current_language = translations[current_language_name];
}
const std::wstring& Language::get_language(void) const
{
return current_language_name;
}
const std::wstring& Language::translate(const std::wstring& source) const
{
std::map<std::wstring, std::wstring>::iterator it = current_language->find(source);
if (it != current_language->end()) {
return it->second;
}
it = default_language->find(source);
if (it != default_language->end()) {
return it->second;
}
return source;
}
};
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