/* string file format */
#ifndef STRFF_H
#define STRFF_H

#include <libowfat/stralloc.h>
#include <libowfat/buffer.h>

enum strff_type {
  STRFF_TYPE_NONE = 0,
  STRFF_TYPE_BRACKET,
  STRFF_TYPE_EQUAL
};

struct strff {
  buffer b;
  char buf[1024];
  int fd;
  enum strff_type fieldtype;
};

void strff_open(struct strff *, int fd);
void strff_close(struct strff *);

/*
 * seeks for a field with the specified key in the file.
 * sets cursor position ofc.
 * strff_read can be used to get the value.
 * key may not contain '['.
 * if key not found, sets errno to ENOKEY
 * return: 1 if found, 0 on error.
 */
int strff_seek(struct strff *, char *key);

/*
 * reads n bytes into buf.
 * return: bytes read, 0 on end-of-field, -1 on error.
 */
int strff_read(struct strff *, size_t buflen, char buf[buflen]);

/*
 * same as strff_read but reads the whole value into sa
 * return: 1 on success, 0 on error.
 */
int strff_read_sa(struct strff *, stralloc *sa);

/*
 * wrapper around strff_seek and strff_read_sa.
 */
int strff_get(struct strff *, char *key, stralloc *sa);

#endif