callbacks.h

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#ifndef PDI_CALLBACKS_H_
#define PDI_CALLBACKS_H_

#include <functional>
#include <map>
#include <list>
#include <string>

#include "pdi/pdi_fwd.h"
#include "pdi/ref_any.h"

namespace PDI {

class PDI_EXPORT Callbacks
{

    Context& m_context;
    
    std::list<std::function<void()>> m_init_callbacks;
    
    std::list<std::function<void(const std::string&, Ref)>> m_data_callbacks;
    
    std::multimap<std::string, std::function<void(const std::string&, Ref)>> m_named_data_callbacks;
    
    std::list<std::function<void(const std::string&, Ref)>> m_data_remove_callbacks;
    
    std::multimap<std::string, std::function<void(const std::string&, Ref)>> m_named_data_remove_callbacks;
    
    std::list<std::function<void(const std::string&)>> m_event_callbacks;
    
    std::multimap<std::string, std::function<void(const std::string&)>> m_named_event_callbacks;
    
    std::list<std::function<void(const std::string&)>> m_empty_desc_access_callbacks;
    
    std::multimap<std::string, std::function<void(const std::string&)>> m_named_empty_desc_access_callbacks;
    
public:

    Callbacks(Context& ctx);
    
    std::function<void()> add_init_callback(const std::function<void()>& callback);
    
    std::function<void()> add_data_callback(const std::function<void(const std::string&, Ref)>& callback, const std::string& name = {});
    
    std::function<void()> add_data_remove_callback(const std::function<void(const std::string&, Ref)>& callback, const std::string& name = {});
    
    std::function<void()> add_event_callback(const std::function<void(const std::string&)>& callback, const std::string& name = {});
    
    std::function<void()> add_empty_desc_access_callback(const std::function<void(const std::string&)>& callback, const std::string& name = {});
    
    void call_init_callbacks() const;
    
    void call_data_callbacks(const std::string& name, Ref ref) const;
    
    void call_data_remove_callbacks(const std::string& name, Ref ref) const;
    
    void call_event_callbacks(const std::string& name) const;
    
    void call_empty_desc_access_callbacks(const std::string& name) const;
    
};

} // namespace PDI


#endif //PDI_CALLBACKS_H_