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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "modulescanner.h"
#ifdef QDS_HAS_QMLPRIVATE
#include <private/qqmldirparser_p.h>
#endif
#include <QDirIterator>
#include <QFile>
#include <QHash>
namespace QmlDesigner {
namespace {
#ifdef QDS_HAS_QMLPRIVATE
std::optional<QString> contentAsQString(const QString &filePath)
{
QFile file{filePath};
if (file.open(QIODevice::ReadOnly))
return {QString::fromUtf8(file.readAll())};
return {};
}
QString createVersion(const QMultiHash<QString, QQmlDirParser::Component> &components)
{
auto found = std::max_element(components.begin(), components.end(), [](auto &&first, auto &&second) {
return first.version < second.version;
});
if (found != components.end() && found->version.isValid())
return QString{"%1.%2"}.arg(found->version.majorVersion()).arg(found->version.minorVersion());
return {};
}
#endif
} // namespace
void ModuleScanner::scan(const QStringList &modulePaths)
{
for (const QString &modulePath : modulePaths)
scan(modulePath.toStdString());
}
void ModuleScanner::scan([[maybe_unused]] std::string_view modulePath)
{
#ifdef QDS_HAS_QMLPRIVATE
QDirIterator dirIterator{QString::fromUtf8(modulePath), QDir::Dirs, QDirIterator::Subdirectories};
while (dirIterator.hasNext()) {
auto directoryPath = dirIterator.next();
QString qmldirPath = directoryPath + "/qmldir";
if (QFileInfo::exists(qmldirPath)) {
QQmlDirParser parser;
auto content = contentAsQString(qmldirPath);
if (!content)
continue;
bool hasError = parser.parse(*content);
if (hasError)
continue;
auto moduleName = parser.typeNamespace();
if (moduleName.isEmpty() || m_skip(moduleName))
continue;
m_modules.push_back(
Import::createLibraryImport(moduleName, createVersion(parser.components())));
}
}
std::sort(m_modules.begin(), m_modules.end());
m_modules.erase(std::unique(m_modules.begin(), m_modules.end()), m_modules.end());
#endif
}
} // namespace QmlDesigner
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