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- /*
- Minetest
- Copyright (C) 2017 Nore, Nathanaël Courant <nore@mesecons.net>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser 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.
- */
- #include "translation.h"
- #include "log.h"
- #include "util/string.h"
- static Translations main_translations;
- Translations *g_translations = &main_translations;
- Translations::~Translations()
- {
- clear();
- }
- void Translations::clear()
- {
- m_translations.clear();
- }
- const std::wstring &Translations::getTranslation(
- const std::wstring &textdomain, const std::wstring &s)
- {
- std::wstring key = textdomain + L"|" + s;
- try {
- return m_translations.at(key);
- } catch (const std::out_of_range &) {
- warningstream << "Translations: can't find translation for string \""
- << wide_to_utf8(s) << "\" in textdomain \""
- << wide_to_utf8(textdomain) << "\"" << std::endl;
- // Silence that warning in the future
- m_translations[key] = s;
- return s;
- }
- }
- void Translations::loadTranslation(const std::string &data)
- {
- std::istringstream is(data);
- std::wstring textdomain;
- std::string line;
- while (is.good()) {
- std::getline(is, line);
- if (str_starts_with(line, "# textdomain:")) {
- textdomain = utf8_to_wide(trim(str_split(line, ':')[1]));
- }
- if (line.empty() || line[0] == '#')
- continue;
- std::wstring wline = utf8_to_wide(line);
- if (wline.empty())
- continue;
- // Read line
- // '=' marks the key-value pair, but may be escaped by an '@'.
- // '\n' may also be escaped by '@'.
- // All other escapes are preserved.
- size_t i = 0;
- std::wostringstream word1, word2;
- while (i < wline.length() && wline[i] != L'=') {
- if (wline[i] == L'@') {
- if (i + 1 < wline.length()) {
- if (wline[i + 1] == L'=') {
- word1.put(L'=');
- } else if (wline[i + 1] == L'n') {
- word1.put(L'\n');
- } else {
- word1.put(L'@');
- word1.put(wline[i + 1]);
- }
- i += 2;
- } else {
- // End of line, go to the next one.
- word1.put(L'\n');
- if (!is.good()) {
- break;
- }
- i = 0;
- std::getline(is, line);
- wline = utf8_to_wide(line);
- }
- } else {
- word1.put(wline[i]);
- i++;
- }
- }
- if (i == wline.length()) {
- errorstream << "Malformed translation line \"" << line << "\""
- << std::endl;
- continue;
- }
- i++;
- while (i < wline.length()) {
- if (wline[i] == L'@') {
- if (i + 1 < wline.length()) {
- if (wline[i + 1] == L'=') {
- word2.put(L'=');
- } else if (wline[i + 1] == L'n') {
- word2.put(L'\n');
- } else {
- word2.put(L'@');
- word2.put(wline[i + 1]);
- }
- i += 2;
- } else {
- // End of line, go to the next one.
- word2.put(L'\n');
- if (!is.good()) {
- break;
- }
- i = 0;
- std::getline(is, line);
- wline = utf8_to_wide(line);
- }
- } else {
- word2.put(wline[i]);
- i++;
- }
- }
- std::wstring oword1 = word1.str(), oword2 = word2.str();
- if (oword2.empty()) {
- oword2 = oword1;
- errorstream << "Ignoring empty translation for \""
- << wide_to_utf8(oword1) << "\"" << std::endl;
- }
- m_translations[textdomain + L"|" + oword1] = oword2;
- }
- }
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