ob_methods.h

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#ifndef OB_METHODS_H
#define OB_METHODS_H

typedef char method_ret;
#define METHOD_OK 0
#define METHOD_UNHANDLED 1
#define METHOD_ERROR 2
#define METHOD_SILENT_ERROR 3   
/* Example:
 * typedef method_ret (apply_func)(ob_methods *context, object *ob);
 */

typedef method_ret (*apply_func)(object *, object *, int);
typedef method_ret (*process_func)(object *);
typedef void (*describe_func)(const object *, const object *, int use_media_tags, char *buf, size_t size);
typedef method_ret (*examine_func)(const object *, const object *, int use_media_tags, char *buf, size_t size);
typedef method_ret (*move_on_func)(object *, object *, object *);
typedef method_ret (*trigger_func)(object *, object *, int);

struct ob_methods {
    apply_func      apply;          
    process_func    process;        
    describe_func   describe;       
    examine_func    examine;
    move_on_func    move_on;        
    trigger_func    trigger;        
    ob_methods     *fallback;    
    /* Example:
     * apply_func *apply;
     */
};

#endif /* OB_METHODS_H */