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156 lines
3.9 KiB
C++
156 lines
3.9 KiB
C++
/*
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Minetest
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Copyright (C) 2017 Nore, Nathanaëlle Courant <nore@mesecons.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "translation.h"
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#include "log.h"
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#include "util/string.h"
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#include <unordered_map>
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#ifndef SERVER
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// Client translations
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static Translations client_translations;
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Translations *g_client_translations = &client_translations;
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#endif
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void Translations::clear()
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{
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m_translations.clear();
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}
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const std::wstring &Translations::getTranslation(
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const std::wstring &textdomain, const std::wstring &s) const
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{
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std::wstring key = textdomain + L"|" + s;
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auto it = m_translations.find(key);
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if (it != m_translations.end())
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return it->second;
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return s;
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}
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void Translations::loadTranslation(const std::string &data)
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{
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std::istringstream is(data);
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std::string textdomain_narrow;
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std::wstring textdomain;
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std::string line;
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while (is.good()) {
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std::getline(is, line);
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// Trim last character if file was using a \r\n line ending
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if (line.length () > 0 && line[line.length() - 1] == '\r')
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line.resize(line.length() - 1);
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if (str_starts_with(line, "# textdomain:")) {
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auto parts = str_split(line, ':');
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if (parts.size() < 2) {
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errorstream << "Invalid textdomain translation line \"" << line
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<< "\"" << std::endl;
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continue;
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}
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textdomain_narrow = trim(parts[1]);
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textdomain = utf8_to_wide(textdomain_narrow);
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}
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if (line.empty() || line[0] == '#')
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continue;
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std::wstring wline = utf8_to_wide(line);
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if (wline.empty())
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continue;
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// Read line
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// '=' marks the key-value pair, but may be escaped by an '@'.
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// '\n' may also be escaped by '@'.
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// All other escapes are preserved.
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size_t i = 0;
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std::wostringstream word1, word2;
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while (i < wline.length() && wline[i] != L'=') {
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if (wline[i] == L'@') {
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if (i + 1 < wline.length()) {
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if (wline[i + 1] == L'=') {
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word1.put(L'=');
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} else if (wline[i + 1] == L'n') {
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word1.put(L'\n');
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} else {
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word1.put(L'@');
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word1.put(wline[i + 1]);
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}
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i += 2;
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} else {
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// End of line, go to the next one.
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word1.put(L'\n');
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if (!is.good()) {
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break;
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}
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i = 0;
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std::getline(is, line);
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wline = utf8_to_wide(line);
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}
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} else {
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word1.put(wline[i]);
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i++;
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}
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}
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if (i == wline.length()) {
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errorstream << "Malformed translation line \"" << line << "\""
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<< " in text domain " << textdomain_narrow << std::endl;
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continue;
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}
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i++;
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while (i < wline.length()) {
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if (wline[i] == L'@') {
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if (i + 1 < wline.length()) {
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if (wline[i + 1] == L'=') {
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word2.put(L'=');
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} else if (wline[i + 1] == L'n') {
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word2.put(L'\n');
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} else {
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word2.put(L'@');
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word2.put(wline[i + 1]);
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}
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i += 2;
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} else {
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// End of line, go to the next one.
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word2.put(L'\n');
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if (!is.good()) {
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break;
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}
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i = 0;
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std::getline(is, line);
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wline = utf8_to_wide(line);
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}
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} else {
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word2.put(wline[i]);
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i++;
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}
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}
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std::wstring oword1 = word1.str(), oword2 = word2.str();
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if (!oword2.empty()) {
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std::wstring translation_index = textdomain + L"|";
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translation_index.append(oword1);
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m_translations.emplace(std::move(translation_index), std::move(oword2));
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}
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}
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}
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