110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
/*
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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 "codegen/numbers/generator.h"
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#include <QtCore/QDir>
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#include <QtCore/QSet>
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#include <functional>
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namespace codegen {
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namespace numbers {
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namespace {
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} // namespace
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Generator::Generator(const Rules &rules, const QString &destBasePath, const common::ProjectInfo &project)
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: rules_(rules)
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, basePath_(destBasePath)
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, project_(project) {
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}
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bool Generator::writeHeader() {
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header_ = std::make_unique<common::CppFile>(basePath_ + ".h", project_);
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header_->stream() << "QVector<int> phoneNumberParse(const QString &number);\n";
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return header_->finalize();
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}
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bool Generator::writeSource() {
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source_ = std::make_unique<common::CppFile>(basePath_ + ".cpp", project_);
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source_->stream() << "\
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QVector<int> phoneNumberParse(const QString &number) {\n\
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QVector<int> result;\n\
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\n\
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int32 len = number.size();\n\
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if (len > 0) switch (number.at(0).unicode()) {\n";
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QString already;
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for (auto i = rules_.data.cend(), e = rules_.data.cbegin(); i != e;) {
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--i;
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QString k = i.key();
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bool onlyLastChanged = true;
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while (!already.isEmpty() && (already.size() > k.size() || !already.endsWith(k.at(already.size() - 1)))) {
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if (!onlyLastChanged) {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "}\n";
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source_->stream() << QString("\t").repeated(already.size()) << "break;\n";
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}
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already = already.mid(0, already.size() - 1);
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onlyLastChanged = false;
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}
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if (already == k) {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "}\n";
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} else {
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bool onlyFirstCheck = true;
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while (already.size() < k.size()) {
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if (!onlyFirstCheck) source_->stream() << QString("\t").repeated(1 + already.size()) << "if (len > " << already.size() << ") switch (number.at(" << already.size() << ").unicode()) {\n";
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source_->stream() << QString("\t").repeated(1 + already.size()) << "case '" << k.at(already.size()).toLatin1() << "':\n";
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already.push_back(k.at(already.size()));
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onlyFirstCheck = false;
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}
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}
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if (i.value().isEmpty()) {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "return QVector<int>(1, " << k.size() << ");\n";
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} else {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "result.reserve(" << (i.value().size() + 1) << ");\n";
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source_->stream() << QString("\t").repeated(1 + already.size()) << "result.push_back(" << k.size() << ");\n";
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for (int j = 0, l = i.value().size(); j < l; ++j) {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "result.push_back(" << i.value().at(j) << ");\n";
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}
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source_->stream() << QString("\t").repeated(1 + already.size()) << "return result;\n";
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}
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}
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bool onlyLastChanged = true;
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while (!already.isEmpty()) {
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if (!onlyLastChanged) {
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source_->stream() << QString("\t").repeated(1 + already.size()) << "}\n";
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}
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already = already.mid(0, already.size() - 1);
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onlyLastChanged = false;
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}
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source_->stream() << "\
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}\n\
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\n\
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return result;\n\
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}\n";
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return source_->finalize();
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}
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} // namespace numbers
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} // namespace codegen
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