1 files changed, 84 insertions, 0 deletions
diff --git a/options/bundle.hpp b/options/bundle.hpp
new file mode 100644
index 00000000..56d48f60
--- /dev/null
+++ b/options/bundle.hpp
@@ -0,0 +1,84 @@
+#pragma once
+
+#include <memory>
+#include <tuple>
+#include <map>
+#include <memory>
+
+#include <QObject>
+#include <QString>
+#include <QVariant>
+#include <QMutex>
+#include <QMutexLocker>
+
+#include <QDebug>
+
+#include "group.hpp"
+#include "compat/util.hpp"
+#include "export.hpp"
+
+namespace options {
+
+namespace detail {
+
+class OPENTRACK_OPTIONS_EXPORT bundle final : public QObject
+{
+    Q_OBJECT
+protected:
+    QMutex mtx;
+    const QString group_name;
+    group saved;
+    group transient;
+    bundle(const bundle&) = delete;
+    bundle& operator=(const bundle&) = delete;
+signals:
+    void reloading();
+    void saving() const;
+public:
+    bundle(const QString& group_name);
+    QString name() { return group_name; }
+    void reload();
+    void store_kv(const QString& name, const QVariant& datum);
+    bool contains(const QString& name) const;
+    void save();
+    bool modifiedp() const;
+
+    template<typename t>
+    t get(const QString& name) const
+    {
+        QMutexLocker l(const_cast<QMutex*>(&mtx));
+        return transient.get<t>(name);
+    }
+};
+
+struct OPENTRACK_OPTIONS_EXPORT bundler
+{
+public:
+    using k = QString;
+    using v = bundle;
+    using cnt = int;
+    using tt = std::tuple<cnt, std::weak_ptr<v>>;
+private:
+    QMutex implsgl_mtx;
+    std::map<k, tt> implsgl_data;
+    void after_profile_changed_();
+public:
+    bundler();
+    ~bundler();
+    std::shared_ptr<v> make_bundle(const k& key);
+    void bundle_decf(const k& key);
+    static void refresh_all_bundles();
+};
+
+OPENTRACK_OPTIONS_EXPORT bundler& singleton();
+}
+
+using bundle_type = detail::bundle;
+using bundle = std::shared_ptr<bundle_type>;
+
+inline bundle make_bundle(const QString& name)
+{
+    return detail::singleton().make_bundle(name);
+}
+
+}