1 files changed, 125 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/grn_snip.h b/storage/mroonga/vendor/groonga/lib/grn_snip.h
new file mode 100644
index 00000000..3989a17d
--- /dev/null
+++ b/storage/mroonga/vendor/groonga/lib/grn_snip.h
@@ -0,0 +1,125 @@
+/* -*- c-basic-offset: 2 -*- */
+/*
+  Copyright(C) 2009-2016 Brazil
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License version 2.1 as published by the Free Software Foundation.
+
+  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 "grn.h"
+#include "grn_str.h"
+#include "grn_db.h"
+
+#define ASIZE                   256U
+#define MAX_SNIP_TAG_COUNT      512U
+#define MAX_SNIP_COND_COUNT     32U
+#define MAX_SNIP_RESULT_COUNT   16U
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define SNIPCOND_NONSTOP 0
+#define SNIPCOND_STOP    1
+#define SNIPCOND_ACROSS  2
+
+#define GRN_QUERY_SCAN_ALLOCCONDS 0x0002
+
+typedef struct _snip_cond
+{
+  /* initial parameters */
+  const char *opentag;
+  const char *closetag;
+  size_t opentag_len;
+  size_t closetag_len;
+  grn_obj *keyword;
+
+  /* Tuned BM pre */
+  size_t bmBc[ASIZE];
+  size_t shift;
+
+  /* Tuned BM temporal result */
+  size_t found;
+  size_t last_found;
+  size_t last_offset;
+  size_t start_offset;
+  size_t end_offset;
+  size_t found_alpha_head;
+
+  /* search result */
+  int count;
+
+  /* stop flag */
+  int_least8_t stopflag;
+} snip_cond;
+
+typedef struct
+{
+  size_t start_offset;
+  size_t end_offset;
+  snip_cond *cond;
+} _snip_tag_result;
+
+typedef struct
+{
+  size_t start_offset;
+  size_t end_offset;
+  unsigned int first_tag_result_idx;
+  unsigned int last_tag_result_idx;
+  unsigned int tag_count;
+} _snip_result;
+
+typedef struct _grn_snip
+{
+  grn_db_obj obj;
+  grn_encoding encoding;
+  int flags;
+  size_t width;
+  unsigned int max_results;
+  const char *defaultopentag;
+  const char *defaultclosetag;
+  size_t defaultopentag_len;
+  size_t defaultclosetag_len;
+
+  grn_snip_mapping *mapping;
+
+  snip_cond cond[MAX_SNIP_COND_COUNT];
+  unsigned int cond_len;
+
+  unsigned int tag_count;
+  unsigned int snip_count;
+
+  const char *string;
+  grn_obj *nstr;
+
+  _snip_result snip_result[MAX_SNIP_RESULT_COUNT];
+  _snip_tag_result tag_result[MAX_SNIP_TAG_COUNT];
+
+  size_t max_tagged_len;
+
+  grn_obj *normalizer;
+} grn_snip;
+
+grn_rc grn_snip_close(grn_ctx *ctx, grn_snip *snip);
+grn_rc grn_snip_cond_init(grn_ctx *ctx, snip_cond *sc, const char *keyword, unsigned int keyword_len,
+                          grn_encoding enc, grn_obj *normalizer, int flags);
+void grn_snip_cond_reinit(snip_cond *cond);
+grn_rc grn_snip_cond_close(grn_ctx *ctx, snip_cond *cond);
+void grn_bm_tunedbm(grn_ctx *ctx, snip_cond *cond, grn_obj *string, int flags);
+
+#ifdef __cplusplus
+}
+#endif