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Diffstat (limited to '')
-rw-r--r-- | storage/mroonga/vendor/groonga/lib/grn_pat.h | 129 |
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 |