mirror of https://gitee.com/bigwinds/arangodb
72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_MMFILES_MMFILES_FULLTEXT_QUERY_H
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#define ARANGOD_MMFILES_MMFILES_FULLTEXT_QUERY_H 1
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#include "Basics/Common.h"
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/// @brief maximum number of search words in a query
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#define TRI_FULLTEXT_SEARCH_MAX_WORDS 32
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/// @brief fulltext query match options
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typedef enum {
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TRI_FULLTEXT_COMPLETE,
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TRI_FULLTEXT_PREFIX,
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TRI_FULLTEXT_SUBSTRING // currently not implemented, maybe later
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} TRI_fulltext_query_match_e;
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/// @brief fulltext query logical operators
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typedef enum {
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TRI_FULLTEXT_AND,
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TRI_FULLTEXT_OR,
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TRI_FULLTEXT_EXCLUDE
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} TRI_fulltext_query_operation_e;
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/// @brief fulltext query
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typedef struct TRI_fulltext_query_s {
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size_t _numWords;
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char** _words;
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TRI_fulltext_query_match_e* _matches;
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TRI_fulltext_query_operation_e* _operations;
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size_t _maxResults;
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} TRI_fulltext_query_t;
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/// @brief create a fulltext query
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TRI_fulltext_query_t* TRI_CreateQueryMMFilesFulltextIndex(size_t, size_t);
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/// @brief free a fulltext query
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void TRI_FreeQueryMMFilesFulltextIndex(TRI_fulltext_query_t*);
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/// @brief create a fulltext query from a query string
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int TRI_ParseQueryMMFilesFulltextIndex(TRI_fulltext_query_t*, char const*, bool*);
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/// @brief set a search word & option for a query
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/// the query will take ownership of the search word
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/// the caller must not free the word itself
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bool TRI_SetQueryMMFilesFulltextIndex(TRI_fulltext_query_t*, size_t, char const*,
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size_t, TRI_fulltext_query_match_e,
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TRI_fulltext_query_operation_e);
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#endif
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