1// Copyright (c) 2014 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 simple 16 17import ( 18 "github.com/blevesearch/bleve/analysis" 19 "github.com/blevesearch/bleve/analysis/token/lowercase" 20 "github.com/blevesearch/bleve/analysis/tokenizer/letter" 21 "github.com/blevesearch/bleve/registry" 22) 23 24const Name = "simple" 25 26func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) { 27 tokenizer, err := cache.TokenizerNamed(letter.Name) 28 if err != nil { 29 return nil, err 30 } 31 toLowerFilter, err := cache.TokenFilterNamed(lowercase.Name) 32 if err != nil { 33 return nil, err 34 } 35 rv := analysis.Analyzer{ 36 Tokenizer: tokenizer, 37 TokenFilters: []analysis.TokenFilter{ 38 toLowerFilter, 39 }, 40 } 41 return &rv, nil 42} 43 44func init() { 45 registry.RegisterAnalyzer(Name, AnalyzerConstructor) 46} 47