// Copyright (c) 2014 Couchbase, Inc. // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file // except in compliance with the License. You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // Unless required by applicable law or agreed to in writing, software distributed under the // License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, // either express or implied. See the License for the specific language governing permissions // and limitations under the License. package standard_analyzer import ( "fmt" "github.com/blevesearch/bleve/analysis" "github.com/blevesearch/bleve/registry" ) const Name = "custom" func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) { var charFilters []analysis.CharFilter charFilterNames, ok := config["char_filters"].([]string) if ok { charFilters = make([]analysis.CharFilter, len(charFilterNames)) for i, charFilterName := range charFilterNames { charFilter, err := cache.CharFilterNamed(charFilterName) if err != nil { return nil, err } charFilters[i] = charFilter } } tokenizerName, ok := config["tokenizer"].(string) if !ok { return nil, fmt.Errorf("must specify tokenizer") } tokenizer, err := cache.TokenizerNamed(tokenizerName) if err != nil { return nil, err } var tokenFilters []analysis.TokenFilter tokenFilterNames, ok := config["token_filters"].([]string) if ok { tokenFilters = make([]analysis.TokenFilter, len(tokenFilterNames)) for i, tokenFilterName := range tokenFilterNames { tokenFilter, err := cache.TokenFilterNamed(tokenFilterName) if err != nil { return nil, err } tokenFilters[i] = tokenFilter } } rv := analysis.Analyzer{ Tokenizer: tokenizer, } if charFilters != nil { rv.CharFilters = charFilters } if tokenFilters != nil { rv.TokenFilters = tokenFilters } return &rv, nil } func init() { registry.RegisterAnalyzer(Name, AnalyzerConstructor) }