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