#ifndef _SPL_U8_TEXTPREP_H
#define _SPL_U8_TEXTPREP_H

#define U8_STRCMP_CS                    (0x00000001)
#define U8_STRCMP_CI_UPPER              (0x00000002)
#define U8_STRCMP_CI_LOWER              (0x00000004)

#define U8_CANON_DECOMP                 (0x00000010)
#define U8_COMPAT_DECOMP                (0x00000020)
#define U8_CANON_COMP                   (0x00000040)

#define U8_STRCMP_NFD                   (U8_CANON_DECOMP)
#define U8_STRCMP_NFC                   (U8_CANON_DECOMP | U8_CANON_COMP)
#define U8_STRCMP_NFKD                  (U8_COMPAT_DECOMP)
#define U8_STRCMP_NFKC                  (U8_COMPAT_DECOMP | U8_CANON_COMP)

#define U8_TEXTPREP_TOUPPER             (U8_STRCMP_CI_UPPER)
#define U8_TEXTPREP_TOLOWER             (U8_STRCMP_CI_LOWER)

#define U8_TEXTPREP_NFD                 (U8_STRCMP_NFD)
#define U8_TEXTPREP_NFC                 (U8_STRCMP_NFC)
#define U8_TEXTPREP_NFKD                (U8_STRCMP_NFKD)
#define U8_TEXTPREP_NFKC                (U8_STRCMP_NFKC)

#define U8_TEXTPREP_IGNORE_NULL         (0x00010000)
#define U8_TEXTPREP_IGNORE_INVALID      (0x00020000)
#define U8_TEXTPREP_NOWAIT              (0x00040000)

#define U8_UNICODE_320                  (0)
#define U8_UNICODE_500                  (1)
#define U8_UNICODE_LATEST               (U8_UNICODE_500)

#define U8_VALIDATE_ENTIRE              (0x00100000)
#define U8_VALIDATE_CHECK_ADDITIONAL    (0x00200000)
#define U8_VALIDATE_UCS2_RANGE          (0x00400000)

#define U8_ILLEGAL_CHAR                 (-1)
#define U8_OUT_OF_RANGE_CHAR            (-2)

extern int u8_validate(char *, size_t, char **, int, int *);
extern int u8_strcmp(const char *, const char *, size_t, int, size_t, int *);
extern size_t u8_textprep_str(char *, size_t *, char *, size_t *, int, size_t, int *);

#endif /* SPL_U8_TEXTPREP_H */