token_cursor.h

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/*
  Copyright (C) 2009-2016  Brazil
  Copyright (C) 2018-2024  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 enum {
  GRN_TOKEN_CURSOR_DOING = 0,
  GRN_TOKEN_CURSOR_DONE,
  GRN_TOKEN_CURSOR_DONE_SKIP,
  GRN_TOKEN_CURSOR_NOT_FOUND
} grn_token_cursor_status;
 
#define GRN_TOKEN_CURSOR_ENABLE_TOKENIZED_DELIMITER (0x01 << 0)
#define GRN_TOKEN_CURSOR_PARALLEL                   (0x01 << 1)
 
typedef struct _grn_token_cursor grn_token_cursor;
 
GRN_API grn_token_cursor *
grn_token_cursor_open(grn_ctx *ctx,
                      grn_obj *table,
                      const char *str,
                      size_t str_len,
                      grn_tokenize_mode mode,
                      uint32_t flags);
 
GRN_API grn_rc
grn_token_cursor_set_source_column(grn_ctx *ctx,
                                   grn_token_cursor *token_cursor,
                                   grn_obj *column);
GRN_API grn_rc
grn_token_cursor_set_source_id(grn_ctx *ctx,
                               grn_token_cursor *token_cursor,
                               grn_id id);
GRN_API grn_rc
grn_token_cursor_set_index_column(grn_ctx *ctx,
                                  grn_token_cursor *token_cursor,
                                  grn_obj *column);
GRN_API grn_rc
grn_token_cursor_set_query_options(grn_ctx *ctx,
                                   grn_token_cursor *token_cursor,
                                   grn_obj *query_options);
GRN_API grn_rc
grn_token_cursor_set_query_domain(grn_ctx *ctx,
                                  grn_token_cursor *token_cursor,
                                  grn_id domain);
GRN_API grn_id
grn_token_cursor_next(grn_ctx *ctx, grn_token_cursor *token_cursor);
 
GRN_API grn_token_cursor_status
grn_token_cursor_get_status(grn_ctx *ctx, grn_token_cursor *token_cursor);
 
GRN_API grn_rc
grn_token_cursor_close(grn_ctx *ctx, grn_token_cursor *token_cursor);
 
GRN_API grn_token *
grn_token_cursor_get_token(grn_ctx *ctx, grn_token_cursor *token_cursor);
 
#ifdef __cplusplus
}
#endif