File indexing completed on 2024-04-28 03:52:07

 /*
  * BluezQt - Asynchronous BlueZ wrapper library
  *
  * SPDX-FileCopyrightText: 2019 Manuel Weichselbaumer <mincequi@web.de>
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  */
 
 #include <QDebug>
 #include <QFile>
 #include <QRegularExpression>
 
 #include "CppGenerator.h"
 
 #include "BluezApiParser.h"
 #include "TypeAnnotation.h"
 
 CppGenerator::CppGenerator(const Config &config)
     : m_config(config)
 {
 }
 
 bool CppGenerator::generate(const BluezApiParser &parser)
 {
     writeAdaptorHeader(parser);
     writeAdaptorSource(parser);
 
     return true;
 }
 
 void CppGenerator::writeAdaptorHeader(const BluezApiParser &parser)
 {
     // Iterate interfaces
     for (const auto &interface : parser.interfaces()) {
         auto className = interfaceToClassName(interface.name());
         const QString includeGuard = QLatin1String("BLUEZQT_") + className.toUpper() + QLatin1String("ADAPTOR_H");
 
         // Create file
         QFile file(className.toLower() + QStringLiteral("adaptor.h"));
         if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
             qWarning() << "Error opening file for writing:" << file.fileName();
             return;
         }
 
         // Write content
         QTextStream stream(&file);
         writeCopyrightHeader(stream);
         stream << "#ifndef " << includeGuard << "\n";
         stream << "#define " << includeGuard << "\n\n";
         stream << "#include <QDBusAbstractAdaptor>\n\n";
         stream << "class QDBusObjectPath;\n\n";
         stream << "namespace BluezQt\n{\n\n";
         stream << "class " << className << ";\n\n";
         stream << "class " << className << "Adaptor : public QDBusAbstractAdaptor\n{\n";
         stream << "    Q_OBJECT \n";
         stream << "    Q_CLASSINFO(\"D-Bus Interface\", \"" << interface.name() << "\")\n";
 
         // Write properties
         for (const auto &property : interface.properties().properties()) {
             // Respect config
             if ((property.tags().isOptional && !m_config.useOptional) || (property.tags().isExperimental && !m_config.useExperimental)) {
                 continue;
             }
             stream << "    Q_PROPERTY(" << bluezToQt(property.type()) << " " << property.name() << " READ " << lowerFirstChars(property.name());
             if (!property.tags().isReadOnly) {
                 stream << " WRITE set" << property.name();
             }
             stream << ")\n";
         }
 
         stream << "\npublic:\n";
         stream << "    explicit " << className << "Adaptor(" << className << "* parent);\n\n";
 
         // Write property accessors
         for (const auto &property : interface.properties().properties()) {
             // Respect config
             if ((property.tags().isOptional && !m_config.useOptional) || (property.tags().isExperimental && !m_config.useExperimental)) {
                 continue;
             }
             stream << "    " << bluezToQt(property.type()) << " " << lowerFirstChars(property.name()) << "() const;\n";
             if (!property.tags().isReadOnly) {
                 stream << "    void set" << property.name() << "(const " << bluezToQt(property.type()) << " &" << lowerFirstChars(property.name()) << ");\n";
             }
             stream << "\n";
         }
 
         stream << "public Q_SLOTS:\n";
 
         // write Methods
         for (const auto &method : interface.methods().methods()) {
             // Respect config
             if ((method.tags().isOptional && !m_config.useOptional) || (method.tags().isExperimental && !m_config.useExperimental)) {
                 continue;
             }
             stream << "    " << bluezToQt(method.outParameter().type()) << " " << method.name() << "(";
             for (auto it = method.inParameters().begin(); it != method.inParameters().end(); ++it) {
                 stream << "const " << bluezToQt(it->type()) << " &" << it->name();
                 if (it != std::prev(method.inParameters().end())) {
                     stream << ", ";
                 }
             }
             stream << ");\n";
         }
 
         // write private members
         stream << "\nprivate:\n";
         stream << "    " << className << " *m_" << lowerFirstChars(className) << ";\n";
         stream << "};\n\n} // namespace BluezQt\n\n";
 
         // include guard
         stream << "#endif\n";
 
         file.close();
     }
 }
 
 void CppGenerator::writeAdaptorSource(const BluezApiParser &parser)
 {
     // Iterate interfaces
     for (const auto &interface : parser.interfaces()) {
         auto className = interfaceToClassName(interface.name());
 
         // Create file
         QFile file(className.toLower() + QStringLiteral("adaptor.cpp"));
         if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
             qWarning() << "Error opening file for writing:" << file.fileName();
             return;
         }
 
         // Write content
         QTextStream stream(&file);
         writeCopyrightHeader(stream);
         stream << "#include \"" << className << "Adaptor.h\"\n\n";
         stream << "#include \"" << className << ".h\"\n\n";
         stream << "namespace BluezQt\n{\n\n";
         stream << className << "Adaptor::" << className << "Adaptor(" << className << " *parent)\n";
         stream << "    : QDBusAbstractAdaptor(parent)\n";
         stream << "    , m_" << lowerFirstChars(className) << "(parent)\n";
         stream << "{\n}\n\n";
 
         // Write property accessors
         for (const auto &property : interface.properties().properties()) {
             // Respect config
             if ((property.tags().isOptional && !m_config.useOptional) || (property.tags().isExperimental && !m_config.useExperimental)) {
                 continue;
             }
             stream << bluezToQt(property.type()) << " " << className << "Adaptor::" << lowerFirstChars(property.name()) << "() const\n";
             stream << "{\n";
             stream << "    return m_" << lowerFirstChars(className) << "->" << lowerFirstChars(property.name()) << "();\n";
             stream << "}\n\n";
             if (!property.tags().isReadOnly) {
                 stream << "void " << className << "Adaptor::set" << property.name() << "(const " << bluezToQt(property.type()) << " &"
                        << lowerFirstChars(property.name()) << ");\n";
                 stream << "{\n";
                 stream << "    m_" << lowerFirstChars(className) << "->set" << property.name() << "(" << lowerFirstChars(property.name()) << ");\n";
                 stream << "}\n\n";
             }
         }
 
         // write Methods
         for (const auto &method : interface.methods().methods()) {
             // Respect config
             if ((method.tags().isOptional && !m_config.useOptional) || (method.tags().isExperimental && !m_config.useExperimental)) {
                 continue;
             }
             stream << bluezToQt(method.outParameter().type()) << " " << className << "Adaptor::" << method.name() << "(";
             for (auto it = method.inParameters().begin(); it != method.inParameters().end(); ++it) {
                 stream << "const " << bluezToQt(it->type()) << " &" << it->name();
                 if (it != std::prev(method.inParameters().end())) {
                     stream << ", ";
                 }
             }
             stream << ")\n{\n";
             stream << "    return m_" << lowerFirstChars(className) << "->" << lowerFirstChars(method.name()) << "(";
             for (auto it = method.inParameters().begin(); it != method.inParameters().end(); ++it) {
                 stream << it->name();
                 if (it != std::prev(method.inParameters().end())) {
                     stream << ", ";
                 }
             }
             stream << ");\n}\n\n";
         }
 
         stream << "} // namespace BluezQt\n";
 
         file.close();
     }
 }
 
 QString CppGenerator::interfaceToClassName(const QString &interface)
 {
     const int index = interface.lastIndexOf(QRegularExpression(QStringLiteral("\\.[A-Z]\\w+"))) + 1;
     auto className = interface.mid(index);
     while (className.back() > QLatin1Char('0') && className.back() <= QLatin1Char('9')) {
         className.remove(className.size() - 1, 1);
     }
 
     return className;
 }
 
 QString CppGenerator::lowerFirstChars(const QString &string)
 {
     QString str(string);
     // str.replace(0, 1, string.at(0).toLower());
 
     const QRegularExpression rx(QStringLiteral("^([A-Z]+)"));
     QRegularExpressionMatch match = rx.match(string);
     if (match.hasMatch()) {
         QString matchedStr = match.captured(1);
         for (int i = 0; i < matchedStr.size() - 1; ++i) {
             str.replace(i, 1, str.at(i).toLower());
         }
     }
     str.replace(0, 1, string.at(0).toLower());
     str.replace(string.size() - 1, 1, string.at(string.size() - 1).toLower());
 
     return str;
 }
 
 void CppGenerator::writeCopyrightHeader(QTextStream &stream)
 {
     stream << "/*\n";
     stream << " * BluezQt - Asynchronous Bluez wrapper library\n";
     stream << " *\n";
     stream << " * Copyright (C) " << m_config.year << " " << m_config.author << "\n";
     stream << " *\n";
     stream << " * This library is free software; you can redistribute it and/or\n";
     stream << " * modify it under the terms of the GNU Lesser General Public\n";
     stream << " * License as published by the Free Software Foundation; either\n";
     stream << " * version 2.1 of the License, or (at your option) version 3, or any\n";
     stream << " * later version accepted by the membership of KDE e.V. (or its\n";
     stream << " * successor approved by the membership of KDE e.V.), which shall\n";
     stream << " * act as a proxy defined in Section 6 of version 3 of the license.\n";
     stream << " *\n";
     stream << " * This library is distributed in the hope that it will be useful,\n";
     stream << " * but WITHOUT ANY WARRANTY; without even the implied warranty of\n";
     stream << " * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n";
     stream << " * Lesser General Public License for more details.\n";
     stream << " *\n";
     stream << " * You should have received a copy of the GNU Lesser General Public\n";
     stream << " * License along with this library. If not, see <http://www.gnu.org/licenses/>.\n";
     stream << " */\n\n";
 }