/*
 * Copyright 2004-2008, François Revol, <revol@free.fr>.
 * Distributed under the terms of the MIT License.
 */
#ifndef _K_QUERY_H
#define _K_QUERY_H

#include <OS.h>

#ifndef _QUERY_H
/* already defined in Query.h */
typedef enum {
        B_INVALID_OP = 0,
        B_EQ,
        B_GT,
        B_GE,
        B_LT,
        B_LE,
        B_NE,
        B_CONTAINS,
        B_BEGINS_WITH,
        B_ENDS_WITH,
        B_AND = 0x101,
        B_OR,
        B_NOT,
        _B_RESERVED_OP_ = 0x100000
} query_op;
#endif

struct query_exp;

struct query_term {
        struct query_exp *exp;
        char *str;
/*      uint32 type;
        union {
                int32 int32v;
                uint32 uint32v;
                int64 int64v;
                uint64 uint64v;
                bigtime_t bigtimev;
                char *strv;
        } val;
*/
};

typedef struct query_exp {
        query_op op;
        struct query_term lv;
        struct query_term rv;
} query_exp;

/* this one dups the string */
extern char *query_unescape_string(const char *q, const char **newq, char delim);

/* this oen is in-place */
extern char *query_strip_bracketed_Cc(char *str);

extern status_t query_parse(const char *query, query_exp **tree);

#endif /* _K_QUERY_H */