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IgStateKey.h

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#ifndef IGUANA_FRAMEWORK_IG_STATE_KEY_H
# define IGUANA_FRAMEWORK_IG_STATE_KEY_H

//<<<<<< INCLUDES                                                       >>>>>>

# include "Iguana/Framework/interface/config.h"
# include <string>
# include <map>

//<<<<<< PUBLIC DEFINES                                                 >>>>>>
//<<<<<< PUBLIC CONSTANTS                                               >>>>>>
//<<<<<< PUBLIC TYPES                                                   >>>>>>
//<<<<<< PUBLIC VARIABLES                                               >>>>>>
//<<<<<< PUBLIC FUNCTIONS                                               >>>>>>
//<<<<<< CLASS DECLARATIONS                                             >>>>>>

class IGUANA_FRAMEWORK_API IgStateKey
{
public:
    // implicit copy constructor
    // implicit assignment operator
    // implicit destructor

                operator unsigned (void) const;
    unsigned            value (void) const;
    std::string         label (void) const;

    static IgStateKey   index (const std::string &label);

protected:
    IgStateKey (unsigned value);

    static unsigned     create (const std::string &label);
    static void         remove (const std::string &label);

private:
    unsigned int        m_value;

    typedef std::map<std::string, unsigned> Map;
    static Map &        keymap (void);
    static unsigned     s_count;
};

class IGUANA_FRAMEWORK_API IgStateKeyDef : public IgStateKey
{
public:
    IgStateKeyDef (const std::string &label);
    ~IgStateKeyDef (void);

private:
    std::string         m_label;
};

//<<<<<< INLINE PUBLIC FUNCTIONS                                        >>>>>>
//<<<<<< INLINE MEMBER FUNCTIONS                                        >>>>>>

inline
IgStateKey::operator unsigned (void) const
{ return m_value; }

inline unsigned
IgStateKey::value (void) const
{ return m_value; }

#endif // IGUANA_FRAMEWORK_IG_STATE_KEY_H

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