56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package de
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import (
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"github.com/couchbaselabs/bleve/analysis"
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"github.com/couchbaselabs/bleve/analysis/token_filters/lower_case_filter"
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"github.com/couchbaselabs/bleve/analysis/tokenizers/unicode_word_boundary"
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"github.com/couchbaselabs/bleve/registry"
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)
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const AnalyzerName = "de"
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func AnalyzerConstructor(config map[string]interface{}, cache *registry.Cache) (*analysis.Analyzer, error) {
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unicodeTokenizer, err := cache.TokenizerNamed(unicode_word_boundary.Name)
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if err != nil {
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return nil, err
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}
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toLowerFilter, err := cache.TokenFilterNamed(lower_case_filter.Name)
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if err != nil {
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return nil, err
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}
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stopDeFilter, err := cache.TokenFilterNamed(NormalizeName)
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if err != nil {
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return nil, err
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}
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normalizeDeFilter, err := cache.TokenFilterNamed(NormalizeName)
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if err != nil {
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return nil, err
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}
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stemmerDeFilter, err := cache.TokenFilterNamed(StemmerName)
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if err != nil {
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return nil, err
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}
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rv := analysis.Analyzer{
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Tokenizer: unicodeTokenizer,
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TokenFilters: []analysis.TokenFilter{
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toLowerFilter,
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stopDeFilter,
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normalizeDeFilter,
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stemmerDeFilter,
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},
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}
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return &rv, nil
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}
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func init() {
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registry.RegisterAnalyzer(AnalyzerName, AnalyzerConstructor)
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}
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