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analyzer_pt.go
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analyzer_pt.go
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// 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 pt
import (
"github.com/blevesearch/bleve/analysis"
"github.com/blevesearch/bleve/registry"
"github.com/blevesearch/bleve/analysis/token_filters/lower_case_filter"
"github.com/blevesearch/bleve/analysis/tokenizers/unicode"
)
const AnalyzerName = "pt"
func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) {
tokenizer, err := cache.TokenizerNamed(unicode.Name)
if err != nil {
return nil, err
}
toLowerFilter, err := cache.TokenFilterNamed(lower_case_filter.Name)
if err != nil {
return nil, err
}
stopPtFilter, err := cache.TokenFilterNamed(StopName)
if err != nil {
return nil, err
}
stemmerPtFilter, err := cache.TokenFilterNamed(LightStemmerName)
if err != nil {
return nil, err
}
rv := analysis.Analyzer{
Tokenizer: tokenizer,
TokenFilters: []analysis.TokenFilter{
toLowerFilter,
stopPtFilter,
stemmerPtFilter,
},
}
return &rv, nil
}
func init() {
registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor)
}