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cxx/mount_state.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "mount.h"
+
+
+namespace mcc::traits
+{
+
+template <typename T, mcc::MccMountType MOUNT_TYPE>
+concept mcc_mount_c = std::derived_from<T, mcc::MccMount<MOUNT_TYPE>>;
+
+}  // namespace mcc::traits
+
+namespace mcc
+{
+
+class MccMountAbstractState
+{
+    std::function<void()> _getMountStateFunc{[]() {}};
+
+public:
+    typedef std::error_code mount_state_error_t;
+
+    typedef std::function<void(const mount_state_error_t&)> enter_callback_t;
+    typedef std::function<void(const mount_state_error_t&)> exit_callback_t;
+    typedef std::function<void(const mount_state_error_t&)> error_callback_t;
+
+    // helper
+    static constexpr auto mcc_noop_callback = [](const mount_state_error_t&) {};
+
+    template <MccMountType MOUNT_TYPE>
+    MccMountAbstractState(traits::mcc_mount_c<MOUNT_TYPE> auto* mount_ptr,
+                          std::convertible_to<enter_callback_t> auto&& enter_callback,
+                          std::convertible_to<exit_callback_t> auto&& exit_callback,
+                          std::convertible_to<error_callback_t> auto&& error_callback)
+    {
+        _getMountStateFunc = [&mount_ptr, this]() { auto mstate = mount_ptr->getMountData(); };
+    }
+
+
+    virtual ~MccMountAbstractState() = default;
+
+
+    std::string_view ident() const
+    {
+        return "MCC-ABSTRACT-MOUNT-STATE";
+    }
+
+
+    void enter() {}
+
+    void exit() {}
+
+protected:
+    enter_callback_t _enterCallback{[](const mount_state_error_t&) {}};
+    exit_callback_t _exitCallback{[](const mount_state_error_t&) {}};
+    error_callback_t _errorCallback{[](const mount_state_error_t&) {}};
+};
+
+}  // namespace mcc