#ifndef FILTERDB_H
#define FILTERDB_H

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

#define SQDB_LENGTH_BITS		5

#define SQDB_SECTION_STRINGS		0
#define SQDB_SECTION_CATEGORIES		1
#define SQDB_SECTION_INDEX		2
#define SQDB_SECTION_INDEX_MPH		3
#define SQDB_SECTION_KEYWORD		4
#define SQDB_SECTION_KEYWORD_MPH	5
#define SQDB_SECTION_MAX		8

struct sqdb {
	int			fd;
	void *			mmap_base;
	size_t			file_length;
};

struct sqdb_section {
	uint32_t		offset;
	uint32_t		length;
};

struct sqdb_header {
	char			description[116];
	uint32_t		num_sections;
	uint32_t		version;
	uint32_t		magic;
	struct sqdb_section	section[SQDB_SECTION_MAX];
};

#define SQDB_PARENT_ROOT	0xffffff
#define SQDB_PARENT_IPV4	0xfffffe

struct sqdb_index_entry {
	uint32_t		has_subdomains : 1;
	uint32_t		has_paths : 1;
	uint32_t		category : 6;
	uint32_t		parent : 24;
	uint32_t		component;
};


const char *sqdb_section_names[SQDB_SECTION_MAX];

int sqdb_create(struct sqdb *db, const char *fn);
int sqdb_open(struct sqdb *db, const char *fn);
void sqdb_close(struct sqdb *db);

void *sqdb_section_create(struct sqdb *db, int id, uint32_t size);
void *sqdb_section_get(struct sqdb *db, int id, uint32_t *size);
blob_t sqdb_get_string_literal(struct sqdb *db, uint32_t encoded_ptr);

#endif