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67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/* -*- c-basic-offset: 2 -*- */
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/*
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Copyright(C) 2017 Kouhei Sutou <kou@clear-code.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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*/
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#pragma once
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#include <mrn_mysql.h>
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#include <mrn_mysql_compat.h>
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#include <groonga.h>
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namespace mrn {
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class QueryParser {
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public:
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QueryParser(grn_ctx *ctx,
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THD *thd,
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grn_obj *expression,
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grn_obj *default_column,
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uint n_sections,
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grn_obj *match_columns=NULL);
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~QueryParser();
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grn_rc parse(const char *query, size_t query_length);
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void parse_pragma(const char *query,
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size_t query_length,
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const char **raw_query,
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size_t *raw_query_length,
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grn_operator *default_operator,
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grn_expr_flags *flags);
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private:
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grn_ctx *ctx_;
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THD *thd_;
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grn_obj *expression_;
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grn_obj *default_column_;
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uint n_sections_;
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grn_obj *match_columns_;
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bool parse_pragma_w(const char *query,
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size_t query_length,
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size_t *consumed_query_length);
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void append_section(uint section,
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grn_obj *section_value_buffer,
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int weight,
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uint n_weights);
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bool parse_pragma_d(const char *query,
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size_t query_length,
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grn_operator *default_operator,
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size_t *consumed_query_length);
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grn_expr_flags default_expression_flags();
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};
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}
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