geo.h

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/*
  Copyright(C) 2015-2016  Brazil
  Copyright(C) 2022  Sutou Kouhei <kou@clear-code.com>
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  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
*/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
  int32_t latitude;
  int32_t longitude;
} grn_geo_point;
 
GRN_API grn_rc
grn_geo_select_in_rectangle(grn_ctx *ctx,
                            grn_obj *index,
                            grn_obj *top_left_point,
                            grn_obj *bottom_right_point,
                            grn_obj *res,
                            grn_operator op);
GRN_API unsigned int
grn_geo_estimate_size_in_rectangle(grn_ctx *ctx,
                                   grn_obj *index,
                                   grn_obj *top_left_point,
                                   grn_obj *bottom_right_point);
GRN_API int
grn_geo_estimate_in_rectangle(grn_ctx *ctx,
                              grn_obj *index,
                              grn_obj *top_left_point,
                              grn_obj *bottom_right_point);
GRN_API grn_obj *
grn_geo_cursor_open_in_rectangle(grn_ctx *ctx,
                                 grn_obj *index,
                                 grn_obj *top_left_point,
                                 grn_obj *bottom_right_point,
                                 int offset,
                                 int limit);
GRN_API grn_posting *
grn_geo_cursor_next(grn_ctx *ctx, grn_obj *cursor);
 
GRN_API int
grn_geo_table_sort(grn_ctx *ctx,
                   grn_obj *table,
                   int offset,
                   int limit,
                   grn_obj *result,
                   grn_obj *column,
                   grn_obj *geo_point);
 
#ifdef __cplusplus
}
#endif