Adding upstream version 1:10.11.6.upstream/1%10.11.6

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/storage/mroonga/lib/mrn_query_parser.hpp b/storage/mroonga/lib/mrn_query_parser.hpp
new file mode 100644
index 00000000..ba67394d
--- /dev/null
+++ b/storage/mroonga/lib/mrn_query_parser.hpp
@@ -0,0 +1,67 @@
+/* -*- 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();
+  };
+}