82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It 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 General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "lang/lang_tag.h"
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#include "lang/lang_keys.h"
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namespace Lang {
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QString Tag(const QString &original, ushort tag, const QString &replacement) {
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for (auto s = original.constData(), ch = s, e = ch + original.size(); ch != e;) {
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if (*ch == TextCommand) {
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if (ch + 3 < e && (ch + 1)->unicode() == TextCommandLangTag && *(ch + 3) == TextCommand) {
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if ((ch + 2)->unicode() == 0x0020 + tag) {
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auto result = QString();
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result.reserve(original.size() + replacement.size() - 4);
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if (ch > s) result.append(original.midRef(0, ch - s));
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result.append(replacement);
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if (ch + 4 < e) result.append(original.midRef(ch - s + 4));
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return result;
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} else {
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ch += 4;
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}
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} else {
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auto next = textSkipCommand(ch, e);
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if (next == ch) {
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++ch;
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} else {
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ch = next;
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}
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}
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} else {
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++ch;
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}
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}
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return original;
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}
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QString Plural(ushort key0, ushort tag, float64 value) { // current lang dependent
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int v = qFloor(value);
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QString sv;
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ushort key = key0;
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if (v != qCeil(value)) {
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key += 2;
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sv = QString::number(value);
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} else {
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if (v == 1) {
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key += 1;
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} else if (v) {
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key += 2;
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}
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sv = QString::number(v);
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}
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while (key > key0) {
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auto v = lang(LangKey(key));
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if (!v.isEmpty()) {
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return Tag(v, tag, sv);
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}
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--key;
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}
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return Tag(lang(LangKey(key0)), tag, sv);
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}
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} // namespace Lang
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