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/*
* 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";
}
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