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#ifndef MLIB_UNICODE_STRING_H
#define MLIB_UNICODE_STRING_H
#include <stddef.h>
#include "_alloc_fn.h"
#include "_charN_t.h"
#include "_u8view.h"
/* clang-format off */
enum [[clang::flag_enum]] caseflags {
CF_LANG_AZ = 1 << 0, /* Azeri; alias for CF_LANG_TR */
CF_LANG_TR = 1 << 0, /* Turkish; alias for CF_LANG_AZ */
CF_LANG_LT = 1 << 1, /* Lithuanian */
CF_LANG_NL = 1 << 2, /* Dutch */
CF_SS = 1 << 3, /* Use ‘ẞ’ as the uppercase of ‘ß’; alias for CF_ẞ */
CF_ẞ = 1 << 3, /* Use ‘ẞ’ as the uppercase of ‘ß’; alias for CF_SS */
};
/* clang-format on */
[[nodiscard]] size_t u8gcnt(struct u8view);
[[nodiscard]] size_t u8wcnt(struct u8view);
[[nodiscard]] size_t u8wcnt_human(struct u8view);
size_t u8gnext(struct u8view *, struct u8view *);
size_t u8wnext(struct u8view *, struct u8view *);
size_t u8wnext_human(struct u8view *, struct u8view *);
[[nodiscard]] char8_t *u8casefold(size_t *, struct u8view, enum caseflags,
alloc_fn, void *);
[[nodiscard]] char8_t *u8lower(size_t *, struct u8view, enum caseflags,
alloc_fn, void *);
[[nodiscard]] char8_t *u8title(size_t *, struct u8view, enum caseflags,
alloc_fn, void *);
[[nodiscard]] char8_t *u8upper(size_t *, struct u8view, enum caseflags,
alloc_fn, void *);
[[nodiscard]] char8_t *u8norm_nfd(size_t *, struct u8view, alloc_fn, void *);
constexpr double U8CASEFOLD_SCALE = 3;
constexpr double U8LOWER_SCALE = 1.5;
constexpr double U8LOWER_SCALE_LT = 3;
constexpr double U8TITLE_SCALE = 3;
constexpr double U8UPPER_SCALE = 3;
#endif /* !MLIB_UNICODE_STRING_H */
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