1// Copyright (c) 2018 Couchbase, Inc. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package hu 16 17import ( 18 "github.com/blevesearch/bleve/analysis" 19 "github.com/blevesearch/bleve/registry" 20 21 "github.com/blevesearch/bleve/analysis/token/lowercase" 22 "github.com/blevesearch/bleve/analysis/tokenizer/unicode" 23) 24 25const AnalyzerName = "hu" 26 27func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) { 28 unicodeTokenizer, err := cache.TokenizerNamed(unicode.Name) 29 if err != nil { 30 return nil, err 31 } 32 toLowerFilter, err := cache.TokenFilterNamed(lowercase.Name) 33 if err != nil { 34 return nil, err 35 } 36 stopHuFilter, err := cache.TokenFilterNamed(StopName) 37 if err != nil { 38 return nil, err 39 } 40 stemmerHuFilter, err := cache.TokenFilterNamed(SnowballStemmerName) 41 if err != nil { 42 return nil, err 43 } 44 rv := analysis.Analyzer{ 45 Tokenizer: unicodeTokenizer, 46 TokenFilters: []analysis.TokenFilter{ 47 toLowerFilter, 48 stopHuFilter, 49 stemmerHuFilter, 50 }, 51 } 52 return &rv, nil 53} 54 55func init() { 56 registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor) 57} 58