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#ifndef _SVC_CACHE_H
#define _SVC_CACHE_H
#include <api/service/svc_enum.h>
#include <bfc/ptrlist.h>
/**
This is a caching version of SvcEnum. Upon creation, it enumerates all
service factories in the family and keeps them in a list. Then you can
call findService() with a search string to quickly find the service you
want. If you don't have a search string, you can still use a SvcEnum.
*/
class SvcCache {
protected:
SvcCache(FOURCC type);
public:
waServiceFactory *findServiceFactory(const wchar_t *searchval);
private:
class waServiceFactoryCompare {
public:
static int compareItem(waServiceFactory *p1, waServiceFactory* p2);
static int compareAttrib(const wchar_t *attrib, waServiceFactory *item);
};
PtrListQuickSorted<waServiceFactory, waServiceFactoryCompare> list;
};
template <class T>
class SvcCacheT : public SvcCache {
public:
SvcCacheT() : SvcCache(T::getServiceType()) { }
T *findService(const char *key, int global_lock=TRUE) {
waServiceFactory *sf = findServiceFactory(key);
if (sf == NULL) return NULL;
T *ret = castService<T>(sf, global_lock);
return ret;
}
};
#endif
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