1 //---------------------------------------------------------------------- 2 // This software is part of the OpenBeOS distribution and is covered 3 // by the MIT License. 4 //--------------------------------------------------------------------- 5 /*! 6 \file sniffer/Rule.h 7 Mime sniffer rule declarations 8 */ 9 #ifndef _SNIFFER_RULE_H 10 #define _SNIFFER_RULE_H 11 12 #include <SupportDefs.h> 13 14 #include <sys/types.h> 15 #include <vector> 16 17 class BPositionIO; 18 19 namespace BPrivate { 20 namespace Storage { 21 namespace Sniffer { 22 23 class DisjList; 24 25 /*! \brief A priority and a list of expressions to be used for sniffing out the 26 type of an untyped file. 27 */ 28 class Rule { 29 public: 30 Rule(); 31 ~Rule(); 32 33 status_t InitCheck() const; 34 double Priority() const; 35 bool Sniff(BPositionIO *data) const; 36 ssize_t BytesNeeded() const; 37 private: 38 friend class Parser; 39 40 void Unset(); 41 void SetTo(double priority, std::vector<DisjList*>* list); 42 43 double fPriority; 44 std::vector<DisjList*> *fConjList; // A list of DisjLists to be ANDed 45 }; 46 47 }; // namespace Sniffer 48 }; // namespace Storage 49 }; // namespace BPrivate 50 51 #endif // _SNIFFER_RULE_H 52 53 54