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#ifndef __CATEGORY_HANDLER_H__
#define __CATEGORY_HANDLER_H__
#include <string>
#include <vector>
#include <map>
#include <boost/noncopyable.hpp>
#include "creg/creg_cond.h"
class CCategoryHandler : public boost::noncopyable
{
CR_DECLARE(CCategoryHandler);
public:
static inline unsigned int GetMaxCategories() {
// as categories work as bitfields,
// we can not support more then 32
// due to (sizeof(unsigned int) == 32) on 32bit systems
return 32;
}
static CCategoryHandler* Instance() {
if (instance == NULL) instance = new CCategoryHandler();
return instance;
}
static void RemoveInstance();
/**
* Returns the categories bit field value.
* @return the categories bit field value or 0,
* in case of empty name or too many categories
*/
unsigned int GetCategory(std::string name);
/**
* Returns the bitfield values of a list of category names
* @see GetCategory(std::string name)
*/
unsigned int GetCategories(std::string names);
std::vector<std::string> GetCategoryNames(unsigned int bits) const;
private:
static CCategoryHandler* instance;
CCategoryHandler();
~CCategoryHandler();
std::map<std::string,unsigned int> categories;
unsigned int firstUnused;
};
#endif // __CATEGORY_HANDLER_H__
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