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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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