core: synthesized qmldir files and new qml scanning strategy

src/core/qsintercept.hpp

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <qhash.h>
+#include <qloggingcategory.h>
+#include <qnetworkaccessmanager.h>
+#include <qnetworkreply.h>
+#include <qnetworkrequest.h>
+#include <qqmlnetworkaccessmanagerfactory.h>
+#include <qurl.h>
+
+Q_DECLARE_LOGGING_CATEGORY(logQsIntercept);
+
+class QsInterceptDataReply: public QNetworkReply {
+	Q_OBJECT;
+
+public:
+	QsInterceptDataReply(const QString& qmldir, QObject* parent = nullptr);
+
+	qint64 readData(char* data, qint64 maxSize) override;
+
+private slots:
+	void abort() override {}
+
+private:
+	qint64 offset = 0;
+	QByteArray content;
+};
+
+class QsInterceptNetworkAccessManager: public QNetworkAccessManager {
+	Q_OBJECT;
+
+public:
+	QsInterceptNetworkAccessManager(
+	    const QHash<QString, QString>& qmldirIntercepts,
+	    QObject* parent = nullptr
+	);
+
+protected:
+	QNetworkReply* createRequest(
+	    QNetworkAccessManager::Operation op,
+	    const QNetworkRequest& req,
+	    QIODevice* outgoingData = nullptr
+	) override;
+
+private:
+	const QHash<QString, QString>& qmldirIntercepts;
+};
+
+class QsInterceptNetworkAccessManagerFactory: public QQmlNetworkAccessManagerFactory {
+public:
+	QsInterceptNetworkAccessManagerFactory(const QHash<QString, QString>& qmldirIntercepts)
+	    : qmldirIntercepts(qmldirIntercepts) {}
+	QNetworkAccessManager* create(QObject* parent) override;
+
+private:
+	const QHash<QString, QString>& qmldirIntercepts;
+};