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/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2017 Kouhei Sutou <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 02110-1335 USA
*/
#pragma once
#include <mrn_mysql.h>
#include <mrn_mysql_compat.h>
#include <groonga.h>
namespace mrn {
class QueryParser {
public:
QueryParser(grn_ctx *ctx,
THD *thd,
grn_obj *expression,
grn_obj *default_column,
uint n_sections,
grn_obj *match_columns=NULL);
~QueryParser();
grn_rc parse(const char *query, size_t query_length);
void parse_pragma(const char *query,
size_t query_length,
const char **raw_query,
size_t *raw_query_length,
grn_operator *default_operator,
grn_expr_flags *flags);
private:
grn_ctx *ctx_;
THD *thd_;
grn_obj *expression_;
grn_obj *default_column_;
uint n_sections_;
grn_obj *match_columns_;
bool parse_pragma_w(const char *query,
size_t query_length,
size_t *consumed_query_length);
void append_section(uint section,
grn_obj *section_value_buffer,
int weight,
uint n_weights);
bool parse_pragma_d(const char *query,
size_t query_length,
grn_operator *default_operator,
size_t *consumed_query_length);
grn_expr_flags default_expression_flags();
};
}
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