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/* -*- c-basic-offset: 2 -*- */
/* Copyright(C) 2011-2014 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GRN_DAT_H
#define GRN_DAT_H
#ifndef GRN_H
# include "grn.h"
#endif /* GRN_H */
#include "grn_db.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _grn_dat {
grn_db_obj obj;
grn_io *io;
struct grn_dat_header *header;
uint32_t file_id;
grn_encoding encoding;
void *trie;
void *old_trie;
grn_obj *tokenizer;
grn_obj *normalizer;
grn_obj token_filters;
grn_critical_section lock;
};
struct grn_dat_header {
uint32_t flags;
grn_encoding encoding;
grn_id tokenizer;
uint32_t file_id;
grn_id normalizer;
uint32_t reserved[235];
};
struct _grn_dat_cursor {
grn_db_obj obj;
grn_dat *dat;
void *cursor;
const void *key;
grn_id curr_rec;
};
GRN_API grn_id grn_dat_curr_id(grn_ctx *ctx, grn_dat *dat);
/*
Currently, grn_dat_truncate() is available if the grn_dat object is
associated with a file.
*/
GRN_API grn_rc grn_dat_truncate(grn_ctx *ctx, grn_dat *dat);
GRN_API const char *_grn_dat_key(grn_ctx *ctx, grn_dat *dat, grn_id id,
uint32_t *key_size);
GRN_API grn_id grn_dat_next(grn_ctx *ctx, grn_dat *dat, grn_id id);
GRN_API grn_id grn_dat_at(grn_ctx *ctx, grn_dat *dat, grn_id id);
GRN_API grn_rc grn_dat_clear_status_flags(grn_ctx *ctx, grn_dat *dat);
/*
Currently, grn_dat_repair() is available if the grn_dat object is associated
with a file.
*/
GRN_API grn_rc grn_dat_repair(grn_ctx *ctx, grn_dat *dat);
#ifdef __cplusplus
}
#endif
#endif /* GRN_DAT_H */
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