array.h

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/*
  Copyright(C) 2009-2016 Brazil
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License 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 _grn_array grn_array;
typedef struct _grn_array_cursor grn_array_cursor;
 
GRN_API grn_array *grn_array_create(grn_ctx *ctx, const char *path,
                                    unsigned int value_size, unsigned int flags);
GRN_API grn_array *grn_array_open(grn_ctx *ctx, const char *path);
GRN_API grn_rc grn_array_close(grn_ctx *ctx, grn_array *array);
GRN_API grn_id grn_array_add(grn_ctx *ctx, grn_array *array, void **value);
GRN_API int grn_array_get_value(grn_ctx *ctx, grn_array *array, grn_id id, void *valuebuf);
GRN_API grn_rc grn_array_set_value(grn_ctx *ctx, grn_array *array, grn_id id,
                                   const void *value, int flags);
GRN_API grn_array_cursor *grn_array_cursor_open(grn_ctx *ctx, grn_array *array,
                                                grn_id min, grn_id max,
                                                int offset, int limit, int flags);
GRN_API grn_id grn_array_cursor_next(grn_ctx *ctx, grn_array_cursor *cursor);
GRN_API int grn_array_cursor_get_value(grn_ctx *ctx, grn_array_cursor *cursor, void **value);
GRN_API grn_rc grn_array_cursor_set_value(grn_ctx *ctx, grn_array_cursor *cursor,
                                          const void *value, int flags);
GRN_API grn_rc grn_array_cursor_delete(grn_ctx *ctx, grn_array_cursor *cursor,
                                       grn_table_delete_optarg *optarg);
GRN_API void grn_array_cursor_close(grn_ctx *ctx, grn_array_cursor *cursor);
GRN_API grn_rc grn_array_delete_by_id(grn_ctx *ctx, grn_array *array, grn_id id,
                                      grn_table_delete_optarg *optarg);
 
GRN_API grn_id grn_array_next(grn_ctx *ctx, grn_array *array, grn_id id);
 
GRN_API void *_grn_array_get_value(grn_ctx *ctx, grn_array *array, grn_id id);
 
#define GRN_ARRAY_EACH(ctx,array,head,tail,id,value,block) do {\
  grn_array_cursor *_sc = grn_array_cursor_open(ctx, array, head, tail, 0, -1, 0); \
  if (_sc) {\
    grn_id id;\
    while ((id = grn_array_cursor_next(ctx, _sc))) {\
      grn_array_cursor_get_value(ctx, _sc, (void **)(value));\
      block\
    }\
    grn_array_cursor_close(ctx, _sc); \
  }\
} while (0)
 
#define GRN_ARRAY_EACH_BEGIN(ctx, array, cursor, head, tail, id) do {\
  grn_array_cursor *cursor;\
  cursor = grn_array_cursor_open((ctx), (array), (head), (tail), 0, -1, 0);\
  if (cursor) {\
    grn_id id;\
    while ((id = grn_array_cursor_next(ctx, cursor))) {
 
#define GRN_ARRAY_EACH_END(ctx, cursor)\
    }\
    grn_array_cursor_close(ctx, cursor);\
  }\
} while (0)
 
#ifdef __cplusplus
}
#endif