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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QCoreApplication>
#include <QCommandLineParser>
#include <QDir>
#include <QFile>
#include <QScopedPointer>
#include <cstdlib>
#include <QtQmlTypeRegistrar/private/qqmltyperegistrar_p.h>
#include <QtQmlTypeRegistrar/private/qqmltyperegistrarutils_p.h>
using namespace Qt::Literals;
int main(int argc, char **argv)
{
// Produce reliably the same output for the same input by disabling QHash's random seeding.
QHashSeed::setDeterministicGlobalSeed();
// No, you are not supposed to mess with the message pattern.
// Qt Creator wants to read those messages as-is and we want the convenience
// of QDebug to print them.
qputenv("QT_MESSAGE_PATTERN", "%{if-category}%{category}: %{endif}%{message}");
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(QStringLiteral("qmltyperegistrar"));
QCoreApplication::setApplicationVersion(QLatin1String(QT_VERSION_STR));
QCommandLineParser parser;
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption outputOption(QStringLiteral("o"));
outputOption.setDescription(QStringLiteral("Write output to specified file."));
outputOption.setValueName(QStringLiteral("file"));
outputOption.setFlags(QCommandLineOption::ShortOptionStyle);
parser.addOption(outputOption);
QCommandLineOption privateIncludesOption(
QStringLiteral("private-includes"),
QStringLiteral("Include headers ending in \"_p.h\" using \"#include <private/foo_p.h>\""
"rather than \"#include <foo_p.h>\"."));
parser.addOption(privateIncludesOption);
QCommandLineOption importNameOption(QStringLiteral("import-name"));
importNameOption.setDescription(QStringLiteral("Name of the module to use for type and module "
"registrations."));
importNameOption.setValueName(QStringLiteral("module name"));
parser.addOption(importNameOption);
QCommandLineOption pastMajorVersionOption(QStringLiteral("past-major-version"));
pastMajorVersionOption.setDescription(
QStringLiteral("Past major version to use for type and module "
"registrations."));
pastMajorVersionOption.setValueName(QStringLiteral("past major version"));
parser.addOption(pastMajorVersionOption);
QCommandLineOption majorVersionOption(QStringLiteral("major-version"));
majorVersionOption.setDescription(QStringLiteral("Major version to use for type and module "
"registrations."));
majorVersionOption.setValueName(QStringLiteral("major version"));
parser.addOption(majorVersionOption);
QCommandLineOption minorVersionOption(QStringLiteral("minor-version"));
minorVersionOption.setDescription(QStringLiteral("Minor version to use for module "
"registration."));
minorVersionOption.setValueName(QStringLiteral("minor version"));
parser.addOption(minorVersionOption);
QCommandLineOption namespaceOption(QStringLiteral("namespace"));
namespaceOption.setDescription(QStringLiteral("Generate type registration functions "
"into a C++ namespace."));
namespaceOption.setValueName(QStringLiteral("namespace"));
parser.addOption(namespaceOption);
QCommandLineOption pluginTypesOption(QStringLiteral("generate-qmltypes"));
pluginTypesOption.setDescription(QStringLiteral("Generate qmltypes into specified file."));
pluginTypesOption.setValueName(QStringLiteral("qmltypes file"));
parser.addOption(pluginTypesOption);
QCommandLineOption foreignTypesOption(QStringLiteral("foreign-types"));
foreignTypesOption.setDescription(
QStringLiteral("Comma separated list of other modules' metatypes files "
"to consult for foreign types when generating "
"qmltypes file."));
foreignTypesOption.setValueName(QStringLiteral("foreign types"));
parser.addOption(foreignTypesOption);
QCommandLineOption followForeignVersioningOption(QStringLiteral("follow-foreign-versioning"));
followForeignVersioningOption.setDescription(
QStringLiteral("If this option is set the versioning scheme of foreign base classes "
"will be respected instead of ignored. Mostly useful for modules who "
"want to follow Qt's versioning scheme."));
parser.addOption(followForeignVersioningOption);
QCommandLineOption jsroot(QStringLiteral("jsroot"));
jsroot.setDescription(
QStringLiteral("Use the JavaScript root object's meta types as sole input and do not "
"generate any C++ output. Only useful in combination with "
"--generate-qmltypes"));
parser.addOption(jsroot);
QCommandLineOption extract(u"extract"_s);
extract.setDescription(
u"Extract QML types from a module and use QML_FOREIGN to register them"_s);
parser.addOption(extract);
QCommandLineOption mergeQtConf("merge-qt-conf"_L1);
mergeQtConf.setValueName("qtconf list"_L1);
mergeQtConf.setFlags(QCommandLineOption::HiddenFromHelp);
parser.addOption(mergeQtConf);
parser.addPositionalArgument(QStringLiteral("[MOC generated json file]"),
QStringLiteral("MOC generated json output."));
QStringList arguments;
if (!QmlTypeRegistrar::argumentsFromCommandLineAndFile(arguments, app.arguments()))
return EXIT_FAILURE;
parser.process(arguments);
if (parser.isSet(mergeQtConf)) {
return mergeQtConfFiles(parser.value(mergeQtConf));
}
const QString module = parser.value(importNameOption);
const QLatin1String jsrootMetaTypes
= QLatin1String(":/qt-project.org/meta_types/jsroot_metatypes.json");
QStringList files = parser.positionalArguments();
if (parser.isSet(jsroot)) {
if (parser.isSet(extract)) {
error(module) << "If --jsroot is passed, no type registrations can be extracted.";
return EXIT_FAILURE;
}
if (parser.isSet(outputOption)) {
error(module) << "If --jsroot is passed, no C++ output can be generated.";
return EXIT_FAILURE;
}
if (!files.isEmpty() || parser.isSet(foreignTypesOption)) {
error(module) << "If --jsroot is passed, no further metatypes can be processed.";
return EXIT_FAILURE;
}
files.append(jsrootMetaTypes);
}
MetaTypesJsonProcessor processor(parser.isSet(privateIncludesOption));
if (!processor.processTypes(files))
return EXIT_FAILURE;
if (parser.isSet(extract)) {
if (!parser.isSet(outputOption)) {
error(module) << "The output file name must be provided";
return EXIT_FAILURE;
}
QString baseName = parser.value(outputOption);
return QmlTypeRegistrar::runExtract(baseName, parser.value(namespaceOption), processor);
}
processor.postProcessTypes();
if (!parser.isSet(jsroot)) {
processor.processForeignTypes(jsrootMetaTypes);
if (parser.isSet(foreignTypesOption))
processor.processForeignTypes(parser.value(foreignTypesOption).split(QLatin1Char(',')));
}
processor.postProcessForeignTypes();
QmlTypeRegistrar typeRegistrar;
typeRegistrar.setIncludes(processor.includes());
typeRegistrar.setModuleNameAndNamespace(module, parser.value(namespaceOption));
QTypeRevision moduleVersion = QTypeRevision::fromVersion(
parser.value(majorVersionOption).toInt(), parser.value(minorVersionOption).toInt());
QList<quint8> pastMajorVersions;
for (const auto &x : parser.values(pastMajorVersionOption))
pastMajorVersions.append(x.toUInt());
typeRegistrar.setModuleVersions(moduleVersion, pastMajorVersions,
parser.isSet(followForeignVersioningOption));
typeRegistrar.setTypes(processor.types(), processor.foreignTypes());
if (!parser.isSet(jsroot)) {
if (module.isEmpty()) {
warning(module) << "The module name is empty. Cannot generate C++ code";
} else if (parser.isSet(outputOption)) {
// extract does its own file handling
QString outputName = parser.value(outputOption);
QFile file(outputName);
if (!file.open(QIODeviceBase::WriteOnly)) {
error(QDir::toNativeSeparators(outputName))
<< "Cannot open file for writing:" << file.errorString();
return EXIT_FAILURE;
}
QTextStream output(&file);
typeRegistrar.write(output, outputName);
} else {
QTextStream output(stdout);
typeRegistrar.write(output, "stdout");
}
}
if (!parser.isSet(pluginTypesOption))
return EXIT_SUCCESS;
typeRegistrar.setReferencedTypes(processor.referencedTypes());
typeRegistrar.setUsingDeclarations(processor.usingDeclarations());
const QString qmltypes = parser.value(pluginTypesOption);
if (!typeRegistrar.generatePluginTypes(qmltypes, parser.isSet(jsroot))) {
error(qmltypes) << "Cannot generate qmltypes file";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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