engine/jtree.h

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#ifndef HLBR_JTREE_H
#define HLBR_JTREE_H

#include "hlbr.h"

#define MAX_STRING_LEN  1024

#define NODE_TYPE_NORMAL        1
#define NODE_TYPE_SHORT         2

typedef struct short_jnode{
        unsigned char   NodeType;
        unsigned char   temp;
        unsigned char   Byte;
        struct jnode*   PassNode;
        struct jnode*   FailNode;
        char                    IsTerminal;
        int                             TerminalRuleID;
        struct jnode*   Parent;
} SJNode;

typedef struct jnode{
        unsigned char   NodeType;
        unsigned char   temp;
        struct jnode*   Bytes[256];
        struct jnode*   FailNode;
        char                    IsTerminal;
        int                             TerminalRuleID;
        int                             Count;
} JNode;

typedef struct jtree{
        JNode*                  Head;
        char                    NoCase;
        char                    IsFinalized;
        unsigned char   DependMask[MAX_RULES/8];
} JTree;


int     InitJTree(JTree* j, char NoCase);
int AddStringJTree(JTree* j, unsigned char* String, int SLen, int RuleID);
int FinalizeJTree(JTree* j);
int MatchStrings(JTree* j, unsigned char* PacketRuleBits, unsigned char* String, int SLen);

#endif

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