#ifndef TOBI_RD_H
#define TOBI_RD_H

#include <stddef.h>
#include <stdint.h>

typedef struct tobi_rd {
    const uint8_t *data;
    size_t len;
    size_t pos;
    size_t base;
    int failed;
} tobi_rd;

void tobi_rd_init(tobi_rd *rd, const uint8_t *data, size_t len, size_t base);

size_t tobi_rd_off(const tobi_rd *rd);

size_t tobi_rd_left(const tobi_rd *rd);

int tobi_rd_u8(tobi_rd *rd, uint8_t *out);

int tobi_rd_peek(const tobi_rd *rd, uint8_t *out);

int tobi_rd_u16(tobi_rd *rd, uint16_t *out);

int tobi_rd_u32(tobi_rd *rd, uint32_t *out);

int tobi_rd_u64(tobi_rd *rd, uint64_t *out);

int tobi_rd_bytes(tobi_rd *rd, uint8_t *out, size_t n);

int tobi_rd_skip(tobi_rd *rd, size_t n);

int tobi_rd_sub(tobi_rd *rd, size_t n, tobi_rd *sub);

int tobi_rd_pkg_len(tobi_rd *rd, size_t *pkg_len, size_t *encoded_len);

#endif