translationmanager.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2012-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#include "utils/translation/translationmanager.h"
 
#include "fs/virtfs/fs.h"
 
#include "utils/delete2.h"
#include "utils/stringutils.h"
 
#include "utils/foreach.h"
 
#include "utils/translation/podict.h"
#include "utils/translation/poparser.h"
 
#include "logger.h"
 
#include "debug.h"
 
void TranslationManager::init()
{
 delete translator;
 translator = PoParser::getEmptyDict();
}
 
void TranslationManager::loadCurrentLang()
{
 delete translator;
 const StringVect lang = getLang();
 translator = loadLang(lang, "", nullptr);
 translator = loadLang(lang, "help/", translator);
}
 
void TranslationManager::loadDictionaryLang()
{
 delete dictionary;
 delete reverseDictionary;
 dictionary = loadLang(getServerLang(), "dict/", nullptr);
 reverseDictionary = reverseLang(dictionary);
}
 
#ifdef ENABLE_CUSTOMNLS
void TranslationManager::loadGettextLang()
{
 delete mainTranslator;
 mainTranslator = loadLang(getLang(), "manaplus/", nullptr);
}
#endif // ENABLE_CUSTOMNLS
 
void TranslationManager::close()
{
 delete2(translator)
 delete2(dictionary)
 delete2(reverseDictionary)
}
 
PoDict *TranslationManager::loadLang(const LangVect &lang,
 const std::string &subName,
 PoDict *const dict)
{
 std::string name;
 PoParser parser;
 
 FOR_EACH (LangIter, it, lang)
 {
 if (*it == "C")
 continue;
 
// logger->log("check file: " + subName + *it);
 if (PoParser::checkLang(subName + *it))
 {
 name = *it;
 break;
 }
 }
 if (!name.empty())
 return parser.load(name, subName + name, dict);
 logger->log("can't find client data translation");
 if (dict != nullptr)
 return dict;
 return PoParser::getEmptyDict();
}
 
bool TranslationManager::translateFile(const std::string &fileName,
 PoDict *const dict,
 StringVect &lines)
{
 if ((dict == nullptr) || fileName.empty())
 return false;
 
 int contentsLength;
 const char *fileContents = VirtFs::loadFile(fileName,
 contentsLength);
 
 if (fileContents == nullptr)
 {
 logger->log("Couldn't load file: %s", fileName.c_str());
 return false;
 }
 std::string str = std::string(fileContents, contentsLength);
 
 size_t oldPos1 = std::string::npos;
 size_t pos1;
 
 while ((pos1 = str.find("<<")) != std::string::npos)
 {
 if (pos1 == oldPos1)
 break; // detected infinite loop
 const size_t pos2 = str.find(">>", pos1 + 2);
 if (pos2 == std::string::npos)
 break;
 const std::string key(str.substr(pos1 + 2, pos2 - pos1 - 2));
 const std::string key2("<<" + str.substr(
 pos1 + 2, pos2 - pos1 - 2) + ">>");
 const std::string val(dict->getStr(key));
 replaceAll(str, key2, val);
 oldPos1 = pos1;
 }
 
 std::istringstream iss(str);
 std::string line;
 
 while (getline(iss, line))
 lines.push_back(line);
 
 delete [] fileContents;
 return true;
}
 
PoDict *TranslationManager::reverseLang(const PoDict *const dict)
{
 PoDict *const revDict = new PoDict(dict->mLang);
 FOR_EACH (PoMap::const_iterator, it, dict->mPoLines)
 {
 revDict->set((*it).second, (*it).first);
 }
 return revDict;
}