1 files changed, 129 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/grn_pat.h b/storage/mroonga/vendor/groonga/lib/grn_pat.h
new file mode 100644
index 00000000..1a7e3cfb
--- /dev/null
+++ b/storage/mroonga/vendor/groonga/lib/grn_pat.h
@@ -0,0 +1,129 @@
+/* -*- 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_db.h"
+#include "grn_hash.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRN_PAT_MAX_KEY_SIZE                    GRN_TABLE_MAX_KEY_SIZE
+#define GRN_PAT_MAX_TOTAL_KEY_SIZE              (UINT32_MAX - 1)
+
+struct _grn_pat {
+  grn_db_obj obj;
+  grn_io *io;
+  struct grn_pat_header *header;
+  grn_encoding encoding;
+  uint32_t key_size;
+  uint32_t value_size;
+  grn_obj *tokenizer;
+  grn_obj *normalizer;
+  grn_obj token_filters;
+  grn_id *cache;
+  uint32_t cache_size;
+  grn_bool is_dirty;
+  grn_critical_section lock;
+};
+
+#define GRN_PAT_NDELINFOS 0x100
+
+typedef struct {
+  grn_id d;        /* The ID of a deleting node. */
+  grn_id ld;       /* The ID of the parent node of a deleting node. */
+                   /* delinfo->ld is set if required. */
+  uint32_t stat;   /* DL_EMPTY, DL_PHASE1, or DL_PHASE2. */
+  uint32_t shared; /* This flag is used if GRN_OBJ_KEY_WITH_SIS is set. */
+} grn_pat_delinfo;
+
+struct grn_pat_header {
+  uint32_t flags;
+  grn_encoding encoding;
+  uint32_t key_size;
+  uint32_t value_size;
+  grn_id tokenizer;
+  uint32_t n_entries;
+  uint32_t curr_rec;
+  int32_t curr_key;
+  int32_t curr_del;
+  int32_t curr_del2;
+  int32_t curr_del3;
+  uint32_t n_garbages;
+  grn_id normalizer;
+  uint32_t truncated;
+  uint32_t n_dirty_opens;
+  uint32_t reserved[1002];
+  grn_pat_delinfo delinfos[GRN_PAT_NDELINFOS];
+  grn_id garbages[GRN_PAT_MAX_KEY_SIZE + 1];
+};
+
+struct _grn_pat_cursor_entry {
+  grn_id id;
+  uint16_t check;
+};
+
+typedef struct _grn_pat_cursor_entry grn_pat_cursor_entry;
+
+struct _grn_pat_cursor {
+  grn_db_obj obj;
+  grn_id curr_rec;   /* ID of the latest record */
+  grn_pat *pat;
+  grn_ctx *ctx;
+  unsigned int size; /* stack size (the maximum number of entries) */
+  unsigned int sp;   /* stack pointer (the number of entries) */
+  grn_id tail;       /* sentinel (the end of the traversal) */
+  unsigned int rest; /* limit rest (the number of remaining records) */
+  grn_pat_cursor_entry *ss; /* stack buffer (pointer to entries) */
+  uint8_t curr_key[GRN_TABLE_MAX_KEY_SIZE];
+};
+
+GRN_API grn_id grn_pat_curr_id(grn_ctx *ctx, grn_pat *pat);
+
+/* private */
+GRN_API grn_rc grn_pat_truncate(grn_ctx *ctx, grn_pat *pat);
+const char *_grn_pat_key(grn_ctx *ctx, grn_pat *pat, grn_id id, uint32_t *key_size);
+grn_id grn_pat_next(grn_ctx *ctx, grn_pat *pat, grn_id id);
+const char *grn_pat_get_value_(grn_ctx *ctx, grn_pat *pat, grn_id id, uint32_t *size);
+GRN_API grn_id grn_pat_at(grn_ctx *ctx, grn_pat *pat, grn_id id);
+void grn_pat_check(grn_ctx *ctx, grn_pat *pat);
+void grn_pat_inspect_nodes(grn_ctx *ctx, grn_pat *pat, grn_obj *buf);
+void grn_pat_cursor_inspect(grn_ctx *ctx, grn_pat_cursor *c, grn_obj *buf);
+
+grn_rc grn_pat_cache_enable(grn_ctx *ctx, grn_pat *pat, uint32_t cache_size);
+void grn_pat_cache_disable(grn_ctx *ctx, grn_pat *pat);
+
+GRN_API grn_rc grn_pat_fuzzy_search(grn_ctx *ctx, grn_pat *pat,
+                                    const void *key, unsigned int key_size,
+                                    grn_fuzzy_search_optarg *args, grn_hash *h);
+
+uint32_t grn_pat_total_key_size(grn_ctx *ctx, grn_pat *pat);
+
+grn_bool grn_pat_is_key_encoded(grn_ctx *ctx, grn_pat *pat);
+
+grn_rc grn_pat_dirty(grn_ctx *ctx, grn_pat *pat);
+grn_bool grn_pat_is_dirty(grn_ctx *ctx, grn_pat *pat);
+grn_rc grn_pat_clean(grn_ctx *ctx, grn_pat *pat);
+grn_rc grn_pat_clear_dirty(grn_ctx *ctx, grn_pat *pat);
+
+#ifdef __cplusplus
+}
+#endif