#ifndef HAVE_FTS_ICU_H
#define HAVE_FTS_ICU_H

#include <unicode/ustring.h>
#include <unicode/utrans.h>

ARRAY_DEFINE_TYPE(icu_utf16, UChar);

/* Convert UTF-8 input to UTF-16 output. */
void fts_icu_utf8_to_utf16(ARRAY_TYPE(icu_utf16) *dest_utf16,
			   const char *src_utf8);
/* Convert UTF-16 input to UTF-8 output. */
void fts_icu_utf16_to_utf8(string_t *dest_utf8, const UChar *src_utf16,
			   unsigned int src_len);
/* Run ICU translation for the string. Returns 0 on success, -1 on error. */
int fts_icu_translate(ARRAY_TYPE(icu_utf16) *dest_utf16, const UChar *src_utf16,
		      unsigned int src_len, UTransliterator *transliterator,
		      const char **error_r);
/* Lowercase the given UTF-8 string. */
void fts_icu_lcase(string_t *dest_utf8, const char *src_utf8);

/* Free all the memory used by ICU functions. */
void fts_icu_deinit(void);

int fts_icu_transliterator_create(const char *id,
                                  UTransliterator **transliterator_r,
                                  const char **error_r) ;
#endif