git/reftable/reader.h

/*
Copyright 2020 Google LLC

Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/

#ifndef READER_H
#define READER_H

#include "block.h"
#include "record.h"
#include "reftable-iterator.h"
#include "reftable-reader.h"

uint64_t block_source_size(struct reftable_block_source *source);

int block_source_read_block(struct reftable_block_source *source,
			    struct reftable_block *dest, uint64_t off,
			    uint32_t size);
void block_source_close(struct reftable_block_source *source);

/* metadata for a block type */
struct reftable_reader_offsets { … };

/* The state for reading a reftable file. */
struct reftable_reader { … };

const char *reader_name(struct reftable_reader *r);

int reader_init_iter(struct reftable_reader *r,
		     struct reftable_iterator *it,
		     uint8_t typ);

/* initialize a block reader to read from `r` */
int reader_init_block_reader(struct reftable_reader *r, struct block_reader *br,
			     uint64_t next_off, uint8_t want_typ);

#endif