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// Copyright (c) 2018 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 ro
import (
"github.com/blevesearch/bleve/analysis"
"github.com/blevesearch/bleve/registry"
"github.com/blevesearch/bleve/analysis/token/lowercase"
"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
)
const AnalyzerName = "ro"
func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) {
unicodeTokenizer, err := cache.TokenizerNamed(unicode.Name)
if err != nil {
return nil, err
}
toLowerFilter, err := cache.TokenFilterNamed(lowercase.Name)
if err != nil {
return nil, err
}
stopRoFilter, err := cache.TokenFilterNamed(StopName)
if err != nil {
return nil, err
}
stemmerRoFilter, err := cache.TokenFilterNamed(SnowballStemmerName)
if err != nil {
return nil, err
}
rv := analysis.Analyzer{
Tokenizer: unicodeTokenizer,
TokenFilters: []analysis.TokenFilter{
toLowerFilter,
stopRoFilter,
stemmerRoFilter,
},
}
return &rv, nil
}
func init() {
registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor)
}
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