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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();
+ };
+}