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/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2013-2016 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 02110-1335 USA
*/
#pragma once
#include "grn_db.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SCAN_ACCESSOR (0x01)
#define SCAN_PUSH (0x02)
#define SCAN_POP (0x04)
#define SCAN_PRE_CONST (0x08)
typedef enum {
SCAN_START = 0,
SCAN_VAR,
SCAN_COL1,
SCAN_COL2,
SCAN_CONST
} scan_stat;
typedef struct _grn_scan_info scan_info;
typedef grn_bool (*grn_scan_info_each_arg_callback)(grn_ctx *ctx, grn_obj *obj, void *user_data);
void grn_expr_init_from_env(void);
scan_info **grn_scan_info_build(grn_ctx *ctx, grn_obj *expr, int *n,
grn_operator op, grn_bool record_exist);
scan_info *grn_scan_info_open(grn_ctx *ctx, int start);
void grn_scan_info_close(grn_ctx *ctx, scan_info *si);
void grn_scan_info_put_index(grn_ctx *ctx, scan_info *si, grn_obj *index,
uint32_t sid, int32_t weight,
grn_obj *scorer,
grn_obj *scorer_args_expr,
uint32_t scorer_args_expr_offset);
scan_info **grn_scan_info_put_logical_op(grn_ctx *ctx, scan_info **sis, int *ip,
grn_operator op, int start);
int grn_scan_info_get_flags(scan_info *si);
void grn_scan_info_set_flags(scan_info *si, int flags);
grn_operator grn_scan_info_get_logical_op(scan_info *si);
void grn_scan_info_set_logical_op(scan_info *si, grn_operator logical_op);
grn_operator grn_scan_info_get_op(scan_info *si);
void grn_scan_info_set_op(scan_info *si, grn_operator op);
void grn_scan_info_set_end(scan_info *si, uint32_t end);
void grn_scan_info_set_query(scan_info *si, grn_obj *query);
int grn_scan_info_get_max_interval(scan_info *si);
void grn_scan_info_set_max_interval(scan_info *si, int max_interval);
int grn_scan_info_get_similarity_threshold(scan_info *si);
void grn_scan_info_set_similarity_threshold(scan_info *si, int similarity_threshold);
grn_bool grn_scan_info_push_arg(scan_info *si, grn_obj *arg);
grn_obj *grn_scan_info_get_arg(grn_ctx *ctx, scan_info *si, int i);
int grn_scan_info_get_start_position(scan_info *si);
void grn_scan_info_set_start_position(scan_info *si, int start);
void grn_scan_info_reset_position(scan_info *si);
int32_t grn_expr_code_get_weight(grn_ctx *ctx, grn_expr_code *ec, uint32_t *offset);
grn_rc grn_expr_code_inspect_indented(grn_ctx *ctx,
grn_obj *buffer,
grn_expr_code *code,
const char *indent);
void grn_p_expr_code(grn_ctx *ctx, grn_expr_code *code);
grn_obj *grn_expr_alloc_const(grn_ctx *ctx, grn_obj *expr);
#ifdef __cplusplus
}
#endif
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