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