#ifndef MLIB_BOB_H
#define MLIB_BOB_H

#include <stddef.h>

#include "__charN_t.h"
#include "__rune.h"

#if !__MLIB_HAS_U8VIEW
#	define __MLIB_HAS_U8VIEW 1

struct u8view {
	const char8_t *p;
	size_t len;
};
#endif

struct u8str {
	char8_t *p;
	size_t len, cap;
};

struct u8str *u8strinit(struct u8str *, size_t);
struct u8str *u8strgrow(struct u8str *, size_t);
struct u8str *u8strfit(struct u8str *);
void u8strfree(struct u8str);

struct u8str *u8strpushr(struct u8str *, rune);
struct u8str *u8strpushstr(struct u8str *, const char *);
struct u8str *u8strpushu8(struct u8str *, struct u8view);

[[gnu::always_inline]]
static inline struct u8view
u8strtou8(struct u8str s)
{
	return (struct u8view){.p = s.p, .len = s.len};
}

#define u8strpush(sb, x) \
	_Generic((x), \
	    char: u8strpushr, \
	    int: u8strpushr, \
	    rune: u8strpushr, \
	    char *: u8strpushstr, \
	    struct u8view: u8strpushu8 \
	)((sb), (x))

#endif /* !MLIB_BOB_H */