postgresql/src/include/common/unicode_norm.h
Bruce Momjian 29275b1d17 Update copyright for 2024
Reported-by: Michael Paquier

Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz

Backpatch-through: 12
2024-01-03 20:49:05 -05:00

39 lines
976 B
C

/*-------------------------------------------------------------------------
*
* unicode_norm.h
* Routines for normalizing Unicode strings
*
* These definitions are used by both frontend and backend code.
*
* Copyright (c) 2017-2024, PostgreSQL Global Development Group
*
* src/include/common/unicode_norm.h
*
*-------------------------------------------------------------------------
*/
#ifndef UNICODE_NORM_H
#define UNICODE_NORM_H
#include "mb/pg_wchar.h"
typedef enum
{
UNICODE_NFC = 0,
UNICODE_NFD = 1,
UNICODE_NFKC = 2,
UNICODE_NFKD = 3,
} UnicodeNormalizationForm;
/* see UAX #15 */
typedef enum
{
UNICODE_NORM_QC_NO = 0,
UNICODE_NORM_QC_YES = 1,
UNICODE_NORM_QC_MAYBE = -1,
} UnicodeNormalizationQC;
extern pg_wchar *unicode_normalize(UnicodeNormalizationForm form, const pg_wchar *input);
extern UnicodeNormalizationQC unicode_is_normalized_quickcheck(UnicodeNormalizationForm form, const pg_wchar *input);
#endif /* UNICODE_NORM_H */