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/*-------------------------------------------------------------------------
*
* regis.h
*
* Declarations for for fast regex subset, used by ISpell
*
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/tsearch/dicts/regis.h,v 1.3 2007/11/15 22:25:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef __REGIS_H__
#define __REGIS_H__
typedef struct RegisNode
{
uint32
type:2,
len:16,
unused:14;
struct RegisNode *next;
unsigned char data[1];
} RegisNode;
#define RNHDRSZ (offsetof(RegisNode,data))
#define RSF_ONEOF 1
#define RSF_NONEOF 2
typedef struct Regis
{
RegisNode *node;
uint32
issuffix:1,
nchar:16,
unused:15;
} Regis;
bool RS_isRegis(const char *str);
void RS_compile(Regis *r, bool issuffix, char *str);
void RS_free(Regis *r);
/*returns true if matches */
bool RS_execute(Regis *r, char *str);
#endif
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