diff options
Diffstat (limited to 'storage/mroonga/vendor/groonga/include/groonga/expr.h')
| -rw-r--r-- | storage/mroonga/vendor/groonga/include/groonga/expr.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/include/groonga/expr.h b/storage/mroonga/vendor/groonga/include/groonga/expr.h new file mode 100644 index 00000000..8090bc78 --- /dev/null +++ b/storage/mroonga/vendor/groonga/include/groonga/expr.h @@ -0,0 +1,123 @@ +/* + Copyright(C) 2009-2017 Brazil + + 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 + +#ifdef __cplusplus +extern "C" { +#endif + +typedef unsigned int grn_expr_flags; + +#define GRN_EXPR_SYNTAX_QUERY (0x00) +#define GRN_EXPR_SYNTAX_SCRIPT (0x01) +#define GRN_EXPR_SYNTAX_OUTPUT_COLUMNS (0x20) +#define GRN_EXPR_SYNTAX_ADJUSTER (0x40) +#define GRN_EXPR_ALLOW_PRAGMA (0x02) +#define GRN_EXPR_ALLOW_COLUMN (0x04) +#define GRN_EXPR_ALLOW_UPDATE (0x08) +#define GRN_EXPR_ALLOW_LEADING_NOT (0x10) +#define GRN_EXPR_QUERY_NO_SYNTAX_ERROR (0x80) + +GRN_API grn_obj *grn_expr_create(grn_ctx *ctx, const char *name, unsigned int name_size); +GRN_API grn_rc grn_expr_close(grn_ctx *ctx, grn_obj *expr); +GRN_API grn_obj *grn_expr_add_var(grn_ctx *ctx, grn_obj *expr, + const char *name, unsigned int name_size); +GRN_API grn_obj *grn_expr_get_var(grn_ctx *ctx, grn_obj *expr, + const char *name, unsigned int name_size); +GRN_API grn_obj *grn_expr_get_var_by_offset(grn_ctx *ctx, grn_obj *expr, unsigned int offset); +GRN_API grn_rc grn_expr_clear_vars(grn_ctx *ctx, grn_obj *expr); + +GRN_API void grn_expr_take_obj(grn_ctx *ctx, grn_obj *expr, grn_obj *obj); + +GRN_API grn_obj *grn_expr_append_obj(grn_ctx *ctx, grn_obj *expr, grn_obj *obj, + grn_operator op, int nargs); +GRN_API grn_obj *grn_expr_append_const(grn_ctx *ctx, grn_obj *expr, grn_obj *obj, + grn_operator op, int nargs); +GRN_API grn_obj *grn_expr_append_const_str(grn_ctx *ctx, grn_obj *expr, + const char *str, unsigned int str_size, + grn_operator op, int nargs); +GRN_API grn_obj *grn_expr_append_const_int(grn_ctx *ctx, grn_obj *expr, int i, + grn_operator op, int nargs); +GRN_API grn_rc grn_expr_append_op(grn_ctx *ctx, grn_obj *expr, grn_operator op, int nargs); + +GRN_API grn_rc grn_expr_get_keywords(grn_ctx *ctx, grn_obj *expr, grn_obj *keywords); + +GRN_API grn_rc grn_expr_syntax_escape(grn_ctx *ctx, + const char *query, int query_size, + const char *target_characters, + char escape_character, + grn_obj *escaped_query); +GRN_API grn_rc grn_expr_syntax_escape_query(grn_ctx *ctx, + const char *query, int query_size, + grn_obj *escaped_query); +GRN_API grn_rc grn_expr_syntax_expand_query(grn_ctx *ctx, + const char *query, int query_size, + grn_expr_flags flags, + grn_obj *expander, + grn_obj *expanded_query); +GRN_API grn_rc grn_expr_syntax_expand_query_by_table(grn_ctx *ctx, + const char *query, + int query_size, + grn_expr_flags flags, + grn_obj *term_column, + grn_obj *expanded_term_column, + grn_obj *expanded_query); + +GRN_API grn_rc grn_expr_compile(grn_ctx *ctx, grn_obj *expr); +GRN_API grn_obj *grn_expr_rewrite(grn_ctx *ctx, grn_obj *expr); +GRN_API grn_rc grn_expr_dump_plan(grn_ctx *ctx, grn_obj *expr, grn_obj *buffer); +GRN_API grn_obj *grn_expr_exec(grn_ctx *ctx, grn_obj *expr, int nargs); + +GRN_API grn_obj *grn_expr_alloc(grn_ctx *ctx, grn_obj *expr, + grn_id domain, unsigned char flags); + +#define GRN_EXPR_CREATE_FOR_QUERY(ctx,table,expr,var) do {\ + if (((expr) = grn_expr_create((ctx), NULL, 0)) &&\ + ((var) = grn_expr_add_var((ctx), (expr), NULL, 0))) {\ + GRN_RECORD_INIT((var), 0, grn_obj_id((ctx), (table)));\ + } else {\ + (var) = NULL;\ + }\ +} while (0) + +GRN_API grn_rc grn_expr_parse(grn_ctx *ctx, grn_obj *expr, + const char *str, unsigned int str_size, + grn_obj *default_column, grn_operator default_mode, + grn_operator default_op, grn_expr_flags flags); + +GRN_API grn_obj *grn_expr_snip(grn_ctx *ctx, grn_obj *expr, int flags, + unsigned int width, unsigned int max_results, + unsigned int n_tags, + const char **opentags, unsigned int *opentag_lens, + const char **closetags, unsigned int *closetag_lens, + grn_snip_mapping *mapping); +GRN_API grn_rc grn_expr_snip_add_conditions(grn_ctx *ctx, + grn_obj *expr, + grn_obj *snip, + unsigned int n_tags, + const char **opentags, + unsigned int *opentag_lens, + const char **closetags, + unsigned int *closetag_lens); + +GRN_API unsigned int grn_expr_estimate_size(grn_ctx *ctx, grn_obj *expr); + +#ifdef __cplusplus +} +#endif |